1 package PVE
::QemuServer
;
22 use Storable
qw(dclone);
23 use PVE
::Exception
qw(raise raise_param_exc);
25 use PVE
::Tools
qw(run_command lock_file lock_file_full file_read_firstline dir_glob_foreach);
26 use PVE
::JSONSchema
qw(get_standard_option);
27 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
31 use PVE
::RPCEnvironment
;
32 use Time
::HiRes
qw(gettimeofday);
34 my $cpuinfo = PVE
::ProcFSTools
::read_cpuinfo
();
36 # Note about locking: we use flock on the config file protect
37 # against concurent actions.
38 # Aditionaly, we have a 'lock' setting in the config file. This
39 # can be set to 'migrate', 'backup', 'snapshot' or 'rollback'. Most actions are not
40 # allowed when such lock is set. But you can ignore this kind of
41 # lock with the --skiplock flag.
43 cfs_register_file
('/qemu-server/',
47 PVE
::JSONSchema
::register_standard_option
('skiplock', {
48 description
=> "Ignore locks - only root is allowed to use this option.",
53 PVE
::JSONSchema
::register_standard_option
('pve-qm-stateuri', {
54 description
=> "Some command save/restore state from this location.",
60 PVE
::JSONSchema
::register_standard_option
('pve-snapshot-name', {
61 description
=> "The name of the snapshot.",
62 type
=> 'string', format
=> 'pve-configid',
66 #no warnings 'redefine';
68 unless(defined(&_VZSYSCALLS_H_
)) {
69 eval 'sub _VZSYSCALLS_H_ () {1;}' unless defined(&_VZSYSCALLS_H_
);
70 require 'sys/syscall.ph';
71 if(defined(&__x86_64__
)) {
72 eval 'sub __NR_fairsched_vcpus () {499;}' unless defined(&__NR_fairsched_vcpus
);
73 eval 'sub __NR_fairsched_mknod () {504;}' unless defined(&__NR_fairsched_mknod
);
74 eval 'sub __NR_fairsched_rmnod () {505;}' unless defined(&__NR_fairsched_rmnod
);
75 eval 'sub __NR_fairsched_chwt () {506;}' unless defined(&__NR_fairsched_chwt
);
76 eval 'sub __NR_fairsched_mvpr () {507;}' unless defined(&__NR_fairsched_mvpr
);
77 eval 'sub __NR_fairsched_rate () {508;}' unless defined(&__NR_fairsched_rate
);
78 eval 'sub __NR_setluid () {501;}' unless defined(&__NR_setluid
);
79 eval 'sub __NR_setublimit () {502;}' unless defined(&__NR_setublimit
);
81 elsif(defined( &__i386__
) ) {
82 eval 'sub __NR_fairsched_mknod () {500;}' unless defined(&__NR_fairsched_mknod
);
83 eval 'sub __NR_fairsched_rmnod () {501;}' unless defined(&__NR_fairsched_rmnod
);
84 eval 'sub __NR_fairsched_chwt () {502;}' unless defined(&__NR_fairsched_chwt
);
85 eval 'sub __NR_fairsched_mvpr () {503;}' unless defined(&__NR_fairsched_mvpr
);
86 eval 'sub __NR_fairsched_rate () {504;}' unless defined(&__NR_fairsched_rate
);
87 eval 'sub __NR_fairsched_vcpus () {505;}' unless defined(&__NR_fairsched_vcpus
);
88 eval 'sub __NR_setluid () {511;}' unless defined(&__NR_setluid
);
89 eval 'sub __NR_setublimit () {512;}' unless defined(&__NR_setublimit
);
91 die("no fairsched syscall for this arch");
93 require 'asm/ioctl.ph';
94 eval 'sub KVM_GET_API_VERSION () { &_IO(0xAE, 0x);}' unless defined(&KVM_GET_API_VERSION
);
98 my ($parent, $weight, $desired) = @_;
100 return syscall(&__NR_fairsched_mknod
, int($parent), int($weight), int($desired));
103 sub fairsched_rmnod
{
106 return syscall(&__NR_fairsched_rmnod
, int($id));
110 my ($pid, $newid) = @_;
112 return syscall(&__NR_fairsched_mvpr
, int($pid), int($newid));
115 sub fairsched_vcpus
{
116 my ($id, $vcpus) = @_;
118 return syscall(&__NR_fairsched_vcpus
, int($id), int($vcpus));
122 my ($id, $op, $rate) = @_;
124 return syscall(&__NR_fairsched_rate
, int($id), int($op), int($rate));
127 use constant FAIRSCHED_SET_RATE
=> 0;
128 use constant FAIRSCHED_DROP_RATE
=> 1;
129 use constant FAIRSCHED_GET_RATE
=> 2;
131 sub fairsched_cpulimit
{
132 my ($id, $limit) = @_;
134 my $cpulim1024 = int($limit * 1024 / 100);
135 my $op = $cpulim1024 ? FAIRSCHED_SET_RATE
: FAIRSCHED_DROP_RATE
;
137 return fairsched_rate
($id, $op, $cpulim1024);
140 my $nodename = PVE
::INotify
::nodename
();
142 mkdir "/etc/pve/nodes/$nodename";
143 my $confdir = "/etc/pve/nodes/$nodename/qemu-server";
146 my $var_run_tmpdir = "/var/run/qemu-server";
147 mkdir $var_run_tmpdir;
149 my $lock_dir = "/var/lock/qemu-server";
152 my $pcisysfs = "/sys/bus/pci";
158 description
=> "Enable iothread dataplane.",
164 description
=> "Specifies whether a VM will be started during system bootup.",
170 description
=> "Automatic restart after crash (currently ignored).",
175 type
=> 'string', format
=> 'pve-hotplug-features',
176 description
=> "Selectively enable hotplug features. This is a comma separated list of hotplug features: 'network', 'disk', 'cpu', 'memory' and 'usb'. Use '0' to disable hotplug completely. Value '1' is an alias for the default 'network,disk,usb'.",
177 default => 'network,disk,usb',
182 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
188 description
=> "Lock/unlock the VM.",
189 enum
=> [qw(migrate backup snapshot rollback)],
194 description
=> "Limit of CPU usage in per cent. Note if the computer has 2 CPUs, it has total of 200% CPU time. Value '0' indicates no CPU limit.\n\nNOTE: This option is currently ignored.",
201 description
=> "CPU weight for a VM. Argument is used in the kernel fair scheduler. The larger the number is, the more CPU time this VM gets. Number is relative to weights of all the other running VMs.\n\nNOTE: You can disable fair-scheduler configuration by setting this to 0.",
209 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
216 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
222 description
=> "Amount of memory shares for auto-ballooning. The larger the number is, the more memory this VM gets. Number is relative to weights of all other running VMs. Using zero disables auto-ballooning",
230 description
=> "Keybord layout for vnc server. Default is read from the datacenter configuration file.",
231 enum
=> PVE
::Tools
::kvmkeymaplist
(),
236 type
=> 'string', format
=> 'dns-name',
237 description
=> "Set a name for the VM. Only used on the configuration web interface.",
242 description
=> "scsi controller model",
243 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci megasas pvscsi)],
249 description
=> "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
254 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 l24 l26 solaris)],
255 description
=> <<EODESC,
256 Used to enable special optimization/features for specific
259 other => unspecified OS
260 wxp => Microsoft Windows XP
261 w2k => Microsoft Windows 2000
262 w2k3 => Microsoft Windows 2003
263 w2k8 => Microsoft Windows 2008
264 wvista => Microsoft Windows Vista
265 win7 => Microsoft Windows 7
266 win8 => Microsoft Windows 8/2012
267 l24 => Linux 2.4 Kernel
268 l26 => Linux 2.6/3.X Kernel
269 solaris => solaris/opensolaris/openindiania kernel
271 other|l24|l26|solaris ... no special behaviour
272 wxp|w2k|w2k3|w2k8|wvista|win7|win8 ... use --localtime switch
278 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
279 pattern
=> '[acdn]{1,4}',
284 type
=> 'string', format
=> 'pve-qm-bootdisk',
285 description
=> "Enable booting from specified disk.",
286 pattern
=> '(ide|sata|scsi|virtio)\d+',
291 description
=> "The number of CPUs. Please use option -sockets instead.",
298 description
=> "The number of CPU sockets.",
305 description
=> "The number of cores per socket.",
312 description
=> "Enable/disable Numa.",
318 description
=> "Number of hotplugged vcpus.",
325 description
=> "Enable/disable ACPI.",
331 description
=> "Enable/disable Qemu GuestAgent.",
337 description
=> "Enable/disable KVM hardware virtualization.",
343 description
=> "Enable/disable time drift fix.",
349 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
354 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
359 description
=> "Select VGA type. If you want to use high resolution modes (>= 1280x1024x16) then you should use option 'std' or 'vmware'. Default is 'std' for win8/win7/w2k8, and 'cirrur' for other OS types. Option 'qxl' enables the SPICE display sever. You can also run without any graphic card using a serial devive as terminal.",
360 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
364 type
=> 'string', format
=> 'pve-qm-watchdog',
365 typetext
=> '[[model=]i6300esb|ib700] [,[action=]reset|shutdown|poweroff|pause|debug|none]',
366 description
=> "Create a virtual hardware watchdog device. Once enabled (by a guest action), the watchdog must be periodically polled by an agent inside the guest or else the guest will be restarted (or execute the action specified)",
371 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
372 description
=> "Set the initial date of the real time clock. Valid format for date are: 'now' or '2006-06-17T16:01:21' or '2006-06-17'.",
373 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
378 type
=> 'string', format
=> 'pve-qm-startup',
379 typetext
=> '[[order=]\d+] [,up=\d+] [,down=\d+] ',
380 description
=> "Startup and shutdown behavior. Order is a non-negative number defining the general startup order. Shutdown in done with reverse ordering. Additionally you can set the 'up' or 'down' delay in seconds, which specifies a delay to wait before the next VM is started or stopped.",
385 description
=> "Enable/disable Template.",
391 description
=> <<EODESCR,
392 Note: this option is for experts only. It allows you to pass arbitrary arguments to kvm, for example:
394 args: -no-reboot -no-hpet
401 description
=> "Enable/disable the usb tablet device. This device is usually needed to allow absolute mouse positioning with VNC. Else the mouse runs out of sync with normal VNC clients. If you're running lots of console-only guests on one host, you may consider disabling this to save some context switches. This is turned of by default if you use spice (vga=qxl).",
406 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
410 migrate_downtime
=> {
413 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
419 type
=> 'string', format
=> 'pve-qm-drive',
420 typetext
=> 'volume',
421 description
=> "This is an alias for option -ide2",
425 description
=> "Emulated CPU type.",
427 enum
=> [ qw(486 athlon pentium pentium2 pentium3 coreduo core2duo kvm32 kvm64 qemu32 qemu64 phenom Conroe Penryn Nehalem Westmere SandyBridge Haswell Broadwell Opteron_G1 Opteron_G2 Opteron_G3 Opteron_G4 Opteron_G5 host) ],
430 parent
=> get_standard_option
('pve-snapshot-name', {
432 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
436 description
=> "Timestamp for snapshots.",
442 type
=> 'string', format
=> 'pve-volume-id',
443 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
446 description
=> "Specific the Qemu machine type.",
448 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+|q35|pc-q35-\d+\.\d+)',
453 description
=> "Specify SMBIOS type 1 fields.",
454 type
=> 'string', format
=> 'pve-qm-smbios1',
455 typetext
=> "[manufacturer=str][,product=str][,version=str][,serial=str] [,uuid=uuid][,sku=str][,family=str]",
461 # what about other qemu settings ?
463 #machine => 'string',
476 ##soundhw => 'string',
478 while (my ($k, $v) = each %$confdesc) {
479 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
482 my $MAX_IDE_DISKS = 4;
483 my $MAX_SCSI_DISKS = 14;
484 my $MAX_VIRTIO_DISKS = 16;
485 my $MAX_SATA_DISKS = 6;
486 my $MAX_USB_DEVICES = 5;
488 my $MAX_UNUSED_DISKS = 8;
489 my $MAX_HOSTPCI_DEVICES = 4;
490 my $MAX_SERIAL_PORTS = 4;
491 my $MAX_PARALLEL_PORTS = 3;
493 my $MAX_MEM = 4194304;
494 my $STATICMEM = 1024;
498 type
=> 'string', format
=> 'pve-qm-numanode',
499 typetext
=> "cpus=<id[-id],memory=<mb>[[,hostnodes=<id[-id]>] [,policy=<preferred|bind|interleave>]]",
500 description
=> "numa topology",
502 PVE
::JSONSchema
::register_standard_option
("pve-qm-numanode", $numadesc);
504 for (my $i = 0; $i < $MAX_NUMA; $i++) {
505 $confdesc->{"numa$i"} = $numadesc;
508 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
509 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
510 'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
511 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
515 type
=> 'string', format
=> 'pve-qm-net',
516 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,queues=<nbqueues>][,rate=<mbps>] [,tag=<vlanid>][,firewall=0|1],link_down=0|1]",
517 description
=> <<EODESCR,
518 Specify network devices.
520 MODEL is one of: $nic_model_list_txt
522 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
523 automatically generated if not specified.
525 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
527 Option 'rate' is used to limit traffic bandwidth from and to this interface. It is specified as floating point number, unit is 'Megabytes per second'.
529 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
535 The DHCP server assign addresses to the guest starting from 10.0.2.15.
539 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
541 for (my $i = 0; $i < $MAX_NETS; $i++) {
542 $confdesc->{"net$i"} = $netdesc;
549 type
=> 'string', format
=> 'pve-qm-drive',
550 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
551 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
553 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
557 type
=> 'string', format
=> 'pve-qm-drive',
558 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
559 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
561 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
565 type
=> 'string', format
=> 'pve-qm-drive',
566 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
567 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
569 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
573 type
=> 'string', format
=> 'pve-qm-drive',
574 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
575 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
577 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
581 type
=> 'string', format
=> 'pve-qm-usb-device',
582 typetext
=> 'host=HOSTUSBDEVICE|spice',
583 description
=> <<EODESCR,
584 Configure an USB device (n is 0 to 4). This can be used to
585 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
587 'bus-port(.port)*' (decimal numbers) or
588 'vendor_id:product_id' (hexadeciaml numbers)
590 You can use the 'lsusb -t' command to list existing usb devices.
592 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
594 The value 'spice' can be used to add a usb redirection devices for spice.
598 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
602 type
=> 'string', format
=> 'pve-qm-hostpci',
603 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off] [,pcie=0|1] [,x-vga=on|off]",
604 description
=> <<EODESCR,
605 Map host pci devices. HOSTPCIDEVICE syntax is:
607 'bus:dev.func' (hexadecimal numbers)
609 You can us the 'lspci' command to list existing pci devices.
611 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
613 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
615 Experimental: user reported problems with this option.
618 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
623 pattern
=> '(/dev/.+|socket)',
624 description
=> <<EODESCR,
625 Create a serial device inside the VM (n is 0 to 3), and pass through a host serial device (i.e. /dev/ttyS0), or create a unix socket on the host side (use 'qm terminal' to open a terminal connection).
627 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
629 Experimental: user reported problems with this option.
636 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
637 description
=> <<EODESCR,
638 Map host parallel devices (n is 0 to 2).
640 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
642 Experimental: user reported problems with this option.
646 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
647 $confdesc->{"parallel$i"} = $paralleldesc;
650 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
651 $confdesc->{"serial$i"} = $serialdesc;
654 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
655 $confdesc->{"hostpci$i"} = $hostpcidesc;
658 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
659 $drivename_hash->{"ide$i"} = 1;
660 $confdesc->{"ide$i"} = $idedesc;
663 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
664 $drivename_hash->{"sata$i"} = 1;
665 $confdesc->{"sata$i"} = $satadesc;
668 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
669 $drivename_hash->{"scsi$i"} = 1;
670 $confdesc->{"scsi$i"} = $scsidesc ;
673 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
674 $drivename_hash->{"virtio$i"} = 1;
675 $confdesc->{"virtio$i"} = $virtiodesc;
678 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
679 $confdesc->{"usb$i"} = $usbdesc;
684 type
=> 'string', format
=> 'pve-volume-id',
685 description
=> "Reference to unused volumes.",
688 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
689 $confdesc->{"unused$i"} = $unuseddesc;
692 my $kvm_api_version = 0;
696 return $kvm_api_version if $kvm_api_version;
698 my $fh = IO
::File-
>new("</dev/kvm") ||
701 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
702 $kvm_api_version = $v;
707 return $kvm_api_version;
710 my $kvm_user_version;
712 sub kvm_user_version
{
714 return $kvm_user_version if $kvm_user_version;
716 $kvm_user_version = 'unknown';
718 my $tmp = `kvm -help 2>/dev/null`;
720 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
721 $kvm_user_version = $2;
724 return $kvm_user_version;
728 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
731 # order is important - used to autoselect boot disk
732 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
733 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
734 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
735 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
738 sub valid_drivename
{
741 return defined($drivename_hash->{$dev});
746 return defined($confdesc->{$key});
750 return $nic_model_list;
753 sub os_list_description
{
758 w2k
=> 'Windows 2000',
759 w2k3
=>, 'Windows 2003',
760 w2k8
=> 'Windows 2008',
761 wvista
=> 'Windows Vista',
763 win8
=> 'Windows 8/2012',
773 return $cdrom_path if $cdrom_path;
775 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
776 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
777 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
781 my ($storecfg, $vmid, $cdrom) = @_;
783 if ($cdrom eq 'cdrom') {
784 return get_cdrom_path
();
785 } elsif ($cdrom eq 'none') {
787 } elsif ($cdrom =~ m
|^/|) {
790 return PVE
::Storage
::path
($storecfg, $cdrom);
794 # try to convert old style file names to volume IDs
795 sub filename_to_volume_id
{
796 my ($vmid, $file, $media) = @_;
798 if (!($file eq 'none' || $file eq 'cdrom' ||
799 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
801 return undef if $file =~ m
|/|;
803 if ($media && $media eq 'cdrom') {
804 $file = "local:iso/$file";
806 $file = "local:$vmid/$file";
813 sub verify_media_type
{
814 my ($opt, $vtype, $media) = @_;
819 if ($media eq 'disk') {
821 } elsif ($media eq 'cdrom') {
824 die "internal error";
827 return if ($vtype eq $etype);
829 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
832 sub cleanup_drive_path
{
833 my ($opt, $storecfg, $drive) = @_;
835 # try to convert filesystem paths to volume IDs
837 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
838 ($drive->{file
} !~ m
|^/dev/.+|) &&
839 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
840 ($drive->{file
} !~ m/^\d+$/)) {
841 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
842 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
843 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
844 verify_media_type
($opt, $vtype, $drive->{media
});
845 $drive->{file
} = $volid;
848 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
851 sub create_conf_nolock
{
852 my ($vmid, $settings) = @_;
854 my $filename = config_file
($vmid);
856 die "configuration file '$filename' already exists\n" if -f
$filename;
858 my $defaults = load_defaults
();
860 $settings->{name
} = "vm$vmid" if !$settings->{name
};
861 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
864 foreach my $opt (keys %$settings) {
865 next if !$confdesc->{$opt};
867 my $value = $settings->{$opt};
870 $data .= "$opt: $value\n";
873 PVE
::Tools
::file_set_contents
($filename, $data);
876 sub parse_hotplug_features
{
881 return $res if $data eq '0';
883 $data = $confdesc->{hotplug
}->{default} if $data eq '1';
885 foreach my $feature (PVE
::Tools
::split_list
($data)) {
886 if ($feature =~ m/^(network|disk|cpu|memory|usb)$/) {
889 warn "ignoring unknown hotplug feature '$feature'\n";
895 PVE
::JSONSchema
::register_format
('pve-hotplug-features', \
&pve_verify_hotplug_features
);
896 sub pve_verify_hotplug_features
{
897 my ($value, $noerr) = @_;
899 return $value if parse_hotplug_features
($value);
901 return undef if $noerr;
903 die "unable to parse hotplug option\n";
906 my $parse_size = sub {
909 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
910 my ($size, $unit) = ($1, $3);
913 $size = $size * 1024;
914 } elsif ($unit eq 'M') {
915 $size = $size * 1024 * 1024;
916 } elsif ($unit eq 'G') {
917 $size = $size * 1024 * 1024 * 1024;
923 my $format_size = sub {
928 my $kb = int($size/1024);
929 return $size if $kb*1024 != $size;
931 my $mb = int($kb/1024);
932 return "${kb}K" if $mb*1024 != $kb;
934 my $gb = int($mb/1024);
935 return "${mb}M" if $gb*1024 != $mb;
940 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
941 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
942 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
943 # [,aio=native|threads][,discard=ignore|on]
946 my ($key, $data) = @_;
950 # $key may be undefined - used to verify JSON parameters
951 if (!defined($key)) {
952 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
954 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
955 $res->{interface
} = $1;
961 foreach my $p (split (/,/, $data)) {
962 next if $p =~ m/^\s*$/;
964 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
965 my ($k, $v) = ($1, $2);
967 $k = 'file' if $k eq 'volume';
969 return undef if defined $res->{$k};
971 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
972 return undef if !$v || $v !~ m/^\d+/;
974 $v = sprintf("%.3f", $v / (1024*1024));
978 if (!$res->{file
} && $p !~ m/=/) {
986 return undef if !$res->{file
};
988 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
992 return undef if $res->{cache
} &&
993 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
994 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
995 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
996 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
997 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
998 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
999 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
1000 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
1001 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
1002 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
1003 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
1004 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
1005 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
1007 return undef if $res->{mbps_rd
} && $res->{mbps
};
1008 return undef if $res->{mbps_wr
} && $res->{mbps
};
1010 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
1011 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
1012 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
1013 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
1014 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
1015 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
1017 return undef if $res->{iops_rd
} && $res->{iops
};
1018 return undef if $res->{iops_wr
} && $res->{iops
};
1021 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
1022 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
1023 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
1024 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
1025 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
1026 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
1030 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
1033 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
1034 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
1035 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
1036 return undef if $res->{interface
} eq 'virtio';
1039 # rerror does not work with scsi drives
1040 if ($res->{rerror
}) {
1041 return undef if $res->{interface
} eq 'scsi';
1047 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
1050 my ($vmid, $drive) = @_;
1053 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
1054 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1057 if ($drive->{size
}) {
1058 $opts .= ",size=" . &$format_size($drive->{size
});
1061 return "$drive->{file}$opts";
1065 my($fh, $noerr) = @_;
1068 my $SG_GET_VERSION_NUM = 0x2282;
1070 my $versionbuf = "\x00" x
8;
1071 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1073 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1076 my $version = unpack("I", $versionbuf);
1077 if ($version < 30000) {
1078 die "scsi generic interface too old\n" if !$noerr;
1082 my $buf = "\x00" x
36;
1083 my $sensebuf = "\x00" x
8;
1084 my $cmd = pack("C x3 C x1", 0x12, 36);
1086 # see /usr/include/scsi/sg.h
1087 my $sg_io_hdr_t = "i i C C s I P P P I I i P C C C C S S i I I";
1089 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1090 length($sensebuf), 0, length($buf), $buf,
1091 $cmd, $sensebuf, 6000);
1093 $ret = ioctl($fh, $SG_IO, $packet);
1095 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1099 my @res = unpack($sg_io_hdr_t, $packet);
1100 if ($res[17] || $res[18]) {
1101 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1106 (my $byte0, my $byte1, $res->{vendor
},
1107 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1109 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1110 $res->{type
} = $byte0 & 31;
1118 my $fh = IO
::File-
>new("+<$path") || return undef;
1119 my $res = scsi_inquiry
($fh, 1);
1125 sub machine_type_is_q35
{
1128 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1131 sub print_tabletdevice_full
{
1134 my $q35 = machine_type_is_q35
($conf);
1136 # we use uhci for old VMs because tablet driver was buggy in older qemu
1137 my $usbbus = $q35 ?
"ehci" : "uhci";
1139 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1142 sub print_drivedevice_full
{
1143 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1148 if ($drive->{interface
} eq 'virtio') {
1149 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1150 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1151 $device .= ",iothread=iothread0" if $conf->{iothread
};
1152 } elsif ($drive->{interface
} eq 'scsi') {
1153 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1154 my $controller = int($drive->{index} / $maxdev);
1155 my $unit = $drive->{index} % $maxdev;
1156 my $devicetype = 'hd';
1158 if (drive_is_cdrom
($drive)) {
1161 if ($drive->{file
} =~ m
|^/|) {
1162 $path = $drive->{file
};
1164 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1167 if($path =~ m/^iscsi\:\/\
//){
1168 $devicetype = 'generic';
1170 if (my $info = path_is_scsi
($path)) {
1171 if ($info->{type
} == 0) {
1172 $devicetype = 'block';
1173 } elsif ($info->{type
} == 1) { # tape
1174 $devicetype = 'generic';
1180 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1181 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1183 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1186 } elsif ($drive->{interface
} eq 'ide'){
1188 my $controller = int($drive->{index} / $maxdev);
1189 my $unit = $drive->{index} % $maxdev;
1190 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1192 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1193 } elsif ($drive->{interface
} eq 'sata'){
1194 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1195 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1196 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1197 } elsif ($drive->{interface
} eq 'usb') {
1199 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1201 die "unsupported interface type";
1204 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1209 sub get_initiator_name
{
1212 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1213 while (defined(my $line = <$fh>)) {
1214 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1223 sub print_drive_full
{
1224 my ($storecfg, $vmid, $drive) = @_;
1227 foreach my $o (@qemu_drive_options) {
1228 next if $o eq 'bootindex';
1229 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1232 foreach my $o (qw(bps bps_rd bps_wr)) {
1233 my $v = $drive->{"m$o"};
1234 $opts .= ",$o=" . int($v*1024*1024) if $v;
1237 # use linux-aio by default (qemu default is threads)
1238 $opts .= ",aio=native" if !$drive->{aio
};
1241 my $volid = $drive->{file
};
1242 if (drive_is_cdrom
($drive)) {
1243 $path = get_iso_path
($storecfg, $vmid, $volid);
1245 if ($volid =~ m
|^/|) {
1248 $path = PVE
::Storage
::path
($storecfg, $volid);
1252 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1254 my $detectzeroes = $drive->{discard
} ?
"unmap" : "on";
1255 $opts .= ",detect-zeroes=$detectzeroes" if !drive_is_cdrom
($drive);
1257 my $pathinfo = $path ?
"file=$path," : '';
1259 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1262 sub print_netdevice_full
{
1263 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1265 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1267 my $device = $net->{model
};
1268 if ($net->{model
} eq 'virtio') {
1269 $device = 'virtio-net-pci';
1272 my $pciaddr = print_pci_addr
("$netid", $bridges);
1273 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1274 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1275 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1276 my $vectors = $net->{queues
} * 2 + 2;
1277 $tmpstr .= ",vectors=$vectors,mq=on";
1279 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1283 sub print_netdev_full
{
1284 my ($vmid, $conf, $net, $netid) = @_;
1287 if ($netid =~ m/^net(\d+)$/) {
1291 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1293 my $ifname = "tap${vmid}i$i";
1295 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1296 die "interface name '$ifname' is too long (max 15 character)\n"
1297 if length($ifname) >= 16;
1299 my $vhostparam = '';
1300 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1302 my $vmname = $conf->{name
} || "vm$vmid";
1306 if ($net->{bridge
}) {
1307 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1309 $netdev = "type=user,id=$netid,hostname=$vmname";
1312 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1317 sub drive_is_cdrom
{
1320 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1329 foreach my $kvp (split(/,/, $data)) {
1331 if ($kvp =~ m/^memory=(\S+)$/) {
1332 $res->{memory
} = $1;
1333 } elsif ($kvp =~ m/^policy=(preferred|bind|interleave)$/) {
1334 $res->{policy
} = $1;
1335 } elsif ($kvp =~ m/^cpus=(\d+)(-(\d+))?$/) {
1336 $res->{cpus
}->{start
} = $1;
1337 $res->{cpus
}->{end
} = $3;
1338 } elsif ($kvp =~ m/^hostnodes=(\d+)(-(\d+))?$/) {
1339 $res->{hostnodes
}->{start
} = $1;
1340 $res->{hostnodes
}->{end
} = $3;
1352 return undef if !$value;
1355 my @list = split(/,/, $value);
1359 foreach my $kv (@list) {
1361 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2})(\.([a-f0-9]))?$/) {
1364 push @{$res->{pciid
}}, { id
=> $2 , function
=> $4};
1367 my $pcidevices = lspci
($2);
1368 $res->{pciid
} = $pcidevices->{$2};
1370 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1371 $res->{driver
} = $1;
1372 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1373 $res->{rombar
} = $1;
1374 } elsif ($kv =~ m/^x-vga=(on|off)$/) {
1375 $res->{'x-vga'} = $1;
1376 } elsif ($kv =~ m/^pcie=(\d+)$/) {
1377 $res->{pcie
} = 1 if $1 == 1;
1379 warn "unknown hostpci setting '$kv'\n";
1383 return undef if !$found;
1388 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1394 foreach my $kvp (split(/,/, $data)) {
1396 if ($kvp =~ m/^(ne2k_pci|e1000|e1000-82540em|e1000-82544gc|e1000-82545em|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1398 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1399 $res->{model
} = $model;
1400 $res->{macaddr
} = $mac;
1401 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1402 $res->{bridge
} = $1;
1403 } elsif ($kvp =~ m/^queues=(\d+)$/) {
1404 $res->{queues
} = $1;
1405 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1407 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1409 } elsif ($kvp =~ m/^firewall=([01])$/) {
1410 $res->{firewall
} = $1;
1411 } elsif ($kvp =~ m/^link_down=([01])$/) {
1412 $res->{link_down
} = $1;
1419 return undef if !$res->{model
};
1427 my $res = "$net->{model}";
1428 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1429 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1430 $res .= ",rate=$net->{rate}" if $net->{rate
};
1431 $res .= ",tag=$net->{tag}" if $net->{tag
};
1432 $res .= ",firewall=1" if $net->{firewall
};
1433 $res .= ",link_down=1" if $net->{link_down
};
1438 sub add_random_macs
{
1439 my ($settings) = @_;
1441 foreach my $opt (keys %$settings) {
1442 next if $opt !~ m/^net(\d+)$/;
1443 my $net = parse_net
($settings->{$opt});
1445 $settings->{$opt} = print_net
($net);
1449 sub add_unused_volume
{
1450 my ($config, $volid) = @_;
1453 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1454 my $test = "unused$ind";
1455 if (my $vid = $config->{$test}) {
1456 return if $vid eq $volid; # do not add duplicates
1462 die "To many unused volume - please delete them first.\n" if !$key;
1464 $config->{$key} = $volid;
1469 sub vm_is_volid_owner
{
1470 my ($storecfg, $vmid, $volid) = @_;
1472 if ($volid !~ m
|^/|) {
1474 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
1475 if ($owner && ($owner == $vmid)) {
1483 sub vmconfig_delete_pending_option
{
1484 my ($conf, $key) = @_;
1486 delete $conf->{pending
}->{$key};
1487 my $pending_delete_hash = { $key => 1 };
1488 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1489 $pending_delete_hash->{$opt} = 1;
1491 $conf->{pending
}->{delete} = join(',', keys %$pending_delete_hash);
1494 sub vmconfig_undelete_pending_option
{
1495 my ($conf, $key) = @_;
1497 my $pending_delete_hash = {};
1498 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1499 $pending_delete_hash->{$opt} = 1;
1501 delete $pending_delete_hash->{$key};
1503 my @keylist = keys %$pending_delete_hash;
1504 if (scalar(@keylist)) {
1505 $conf->{pending
}->{delete} = join(',', @keylist);
1507 delete $conf->{pending
}->{delete};
1511 sub vmconfig_register_unused_drive
{
1512 my ($storecfg, $vmid, $conf, $drive) = @_;
1514 if (!drive_is_cdrom
($drive)) {
1515 my $volid = $drive->{file
};
1516 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
1517 add_unused_volume
($conf, $volid, $vmid);
1522 sub vmconfig_cleanup_pending
{
1525 # remove pending changes when nothing changed
1527 foreach my $opt (keys %{$conf->{pending
}}) {
1528 if (defined($conf->{$opt}) && ($conf->{pending
}->{$opt} eq $conf->{$opt})) {
1530 delete $conf->{pending
}->{$opt};
1534 # remove delete if option is not set
1535 my $pending_delete_hash = {};
1536 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1537 if (defined($conf->{$opt})) {
1538 $pending_delete_hash->{$opt} = 1;
1544 my @keylist = keys %$pending_delete_hash;
1545 if (scalar(@keylist)) {
1546 $conf->{pending
}->{delete} = join(',', @keylist);
1548 delete $conf->{pending
}->{delete};
1554 my $valid_smbios1_options = {
1555 manufacturer
=> '\S+',
1559 uuid
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1564 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1570 foreach my $kvp (split(/,/, $data)) {
1571 return undef if $kvp !~ m/^(\S+)=(.+)$/;
1572 my ($k, $v) = split(/=/, $kvp);
1573 return undef if !defined($k) || !defined($v);
1574 return undef if !$valid_smbios1_options->{$k};
1575 return undef if $v !~ m/^$valid_smbios1_options->{$k}$/;
1586 foreach my $k (keys %$smbios1) {
1587 next if !defined($smbios1->{$k});
1588 next if !$valid_smbios1_options->{$k};
1589 $data .= ',' if $data;
1590 $data .= "$k=$smbios1->{$k}";
1595 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', \
&verify_smbios1
);
1596 sub verify_smbios1
{
1597 my ($value, $noerr) = @_;
1599 return $value if parse_smbios1
($value);
1601 return undef if $noerr;
1603 die "unable to parse smbios (type 1) options\n";
1606 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1607 sub verify_bootdisk
{
1608 my ($value, $noerr) = @_;
1610 return $value if valid_drivename
($value);
1612 return undef if $noerr;
1614 die "invalid boot disk '$value'\n";
1617 PVE
::JSONSchema
::register_format
('pve-qm-numanode', \
&verify_numa
);
1619 my ($value, $noerr) = @_;
1621 return $value if parse_numa
($value);
1623 return undef if $noerr;
1625 die "unable to parse numa options\n";
1628 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1630 my ($value, $noerr) = @_;
1632 return $value if parse_net
($value);
1634 return undef if $noerr;
1636 die "unable to parse network options\n";
1639 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1641 my ($value, $noerr) = @_;
1643 return $value if parse_drive
(undef, $value);
1645 return undef if $noerr;
1647 die "unable to parse drive options\n";
1650 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1651 sub verify_hostpci
{
1652 my ($value, $noerr) = @_;
1654 return $value if parse_hostpci
($value);
1656 return undef if $noerr;
1658 die "unable to parse pci id\n";
1661 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1662 sub verify_watchdog
{
1663 my ($value, $noerr) = @_;
1665 return $value if parse_watchdog
($value);
1667 return undef if $noerr;
1669 die "unable to parse watchdog options\n";
1672 sub parse_watchdog
{
1675 return undef if !$value;
1679 foreach my $p (split(/,/, $value)) {
1680 next if $p =~ m/^\s*$/;
1682 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1684 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1685 $res->{action
} = $2;
1694 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1695 sub verify_startup
{
1696 my ($value, $noerr) = @_;
1698 return $value if parse_startup
($value);
1700 return undef if $noerr;
1702 die "unable to parse startup options\n";
1708 return undef if !$value;
1712 foreach my $p (split(/,/, $value)) {
1713 next if $p =~ m/^\s*$/;
1715 if ($p =~ m/^(order=)?(\d+)$/) {
1717 } elsif ($p =~ m/^up=(\d+)$/) {
1719 } elsif ($p =~ m/^down=(\d+)$/) {
1729 sub parse_usb_device
{
1732 return undef if !$value;
1734 my @dl = split(/,/, $value);
1738 foreach my $v (@dl) {
1739 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1741 $res->{vendorid
} = $2;
1742 $res->{productid
} = $4;
1743 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1745 $res->{hostbus
} = $1;
1746 $res->{hostport
} = $2;
1747 } elsif ($v =~ m/^spice$/) {
1754 return undef if !$found;
1759 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1760 sub verify_usb_device
{
1761 my ($value, $noerr) = @_;
1763 return $value if parse_usb_device
($value);
1765 return undef if $noerr;
1767 die "unable to parse usb device\n";
1770 # add JSON properties for create and set function
1771 sub json_config_properties
{
1774 foreach my $opt (keys %$confdesc) {
1775 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1776 $prop->{$opt} = $confdesc->{$opt};
1783 my ($key, $value) = @_;
1785 die "unknown setting '$key'\n" if !$confdesc->{$key};
1787 my $type = $confdesc->{$key}->{type
};
1789 if (!defined($value)) {
1790 die "got undefined value\n";
1793 if ($value =~ m/[\n\r]/) {
1794 die "property contains a line feed\n";
1797 if ($type eq 'boolean') {
1798 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1799 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1800 die "type check ('boolean') failed - got '$value'\n";
1801 } elsif ($type eq 'integer') {
1802 return int($1) if $value =~ m/^(\d+)$/;
1803 die "type check ('integer') failed - got '$value'\n";
1804 } elsif ($type eq 'number') {
1805 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1806 die "type check ('number') failed - got '$value'\n";
1807 } elsif ($type eq 'string') {
1808 if (my $fmt = $confdesc->{$key}->{format
}) {
1809 if ($fmt eq 'pve-qm-drive') {
1810 # special case - we need to pass $key to parse_drive()
1811 my $drive = parse_drive
($key, $value);
1812 return $value if $drive;
1813 die "unable to parse drive options\n";
1815 PVE
::JSONSchema
::check_format
($fmt, $value);
1818 $value =~ s/^\"(.*)\"$/$1/;
1821 die "internal error"
1825 sub lock_config_full
{
1826 my ($vmid, $timeout, $code, @param) = @_;
1828 my $filename = config_file_lock
($vmid);
1830 my $res = lock_file
($filename, $timeout, $code, @param);
1837 sub lock_config_mode
{
1838 my ($vmid, $timeout, $shared, $code, @param) = @_;
1840 my $filename = config_file_lock
($vmid);
1842 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1850 my ($vmid, $code, @param) = @_;
1852 return lock_config_full
($vmid, 10, $code, @param);
1855 sub cfs_config_path
{
1856 my ($vmid, $node) = @_;
1858 $node = $nodename if !$node;
1859 return "nodes/$node/qemu-server/$vmid.conf";
1862 sub check_iommu_support
{
1863 #fixme : need to check IOMMU support
1864 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1872 my ($vmid, $node) = @_;
1874 my $cfspath = cfs_config_path
($vmid, $node);
1875 return "/etc/pve/$cfspath";
1878 sub config_file_lock
{
1881 return "$lock_dir/lock-$vmid.conf";
1887 my $conf = config_file
($vmid);
1888 utime undef, undef, $conf;
1892 my ($storecfg, $vmid, $keep_empty_config) = @_;
1894 my $conffile = config_file
($vmid);
1896 my $conf = load_config
($vmid);
1900 # only remove disks owned by this VM
1901 foreach_drive
($conf, sub {
1902 my ($ds, $drive) = @_;
1904 return if drive_is_cdrom
($drive);
1906 my $volid = $drive->{file
};
1908 return if !$volid || $volid =~ m
|^/|;
1910 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1911 return if !$path || !$owner || ($owner != $vmid);
1913 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1916 if ($keep_empty_config) {
1917 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1922 # also remove unused disk
1924 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1927 PVE
::Storage
::foreach_volid
($dl, sub {
1928 my ($volid, $sid, $volname, $d) = @_;
1929 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1939 my ($vmid, $node) = @_;
1941 my $cfspath = cfs_config_path
($vmid, $node);
1943 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1945 die "no such VM ('$vmid')\n" if !defined($conf);
1950 sub parse_vm_config
{
1951 my ($filename, $raw) = @_;
1953 return undef if !defined($raw);
1956 digest
=> Digest
::SHA
::sha1_hex
($raw),
1961 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1962 || die "got strange filename '$filename'";
1970 my @lines = split(/\n/, $raw);
1971 foreach my $line (@lines) {
1972 next if $line =~ m/^\s*$/;
1974 if ($line =~ m/^\[PENDING\]\s*$/i) {
1975 $section = 'pending';
1976 $conf->{description
} = $descr if $descr;
1978 $conf = $res->{$section} = {};
1981 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1983 $conf->{description
} = $descr if $descr;
1985 $conf = $res->{snapshots
}->{$section} = {};
1989 if ($line =~ m/^\#(.*)\s*$/) {
1990 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1994 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1995 $descr .= PVE
::Tools
::decode_text
($2);
1996 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1997 $conf->{snapstate
} = $1;
1998 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
2001 $conf->{$key} = $value;
2002 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
2004 if ($section eq 'pending') {
2005 $conf->{delete} = $value; # we parse this later
2007 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
2009 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
2012 eval { $value = check_type
($key, $value); };
2014 warn "vm $vmid - unable to parse value of '$key' - $@";
2016 my $fmt = $confdesc->{$key}->{format
};
2017 if ($fmt && $fmt eq 'pve-qm-drive') {
2018 my $v = parse_drive
($key, $value);
2019 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
2020 $v->{file
} = $volid;
2021 $value = print_drive
($vmid, $v);
2023 warn "vm $vmid - unable to parse value of '$key'\n";
2028 if ($key eq 'cdrom') {
2029 $conf->{ide2
} = $value;
2031 $conf->{$key} = $value;
2037 $conf->{description
} = $descr if $descr;
2039 delete $res->{snapstate
}; # just to be sure
2044 sub write_vm_config
{
2045 my ($filename, $conf) = @_;
2047 delete $conf->{snapstate
}; # just to be sure
2049 if ($conf->{cdrom
}) {
2050 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2051 $conf->{ide2
} = $conf->{cdrom
};
2052 delete $conf->{cdrom
};
2055 # we do not use 'smp' any longer
2056 if ($conf->{sockets
}) {
2057 delete $conf->{smp
};
2058 } elsif ($conf->{smp
}) {
2059 $conf->{sockets
} = $conf->{smp
};
2060 delete $conf->{cores
};
2061 delete $conf->{smp
};
2064 my $used_volids = {};
2066 my $cleanup_config = sub {
2067 my ($cref, $pending, $snapname) = @_;
2069 foreach my $key (keys %$cref) {
2070 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2071 $key eq 'snapstate' || $key eq 'pending';
2072 my $value = $cref->{$key};
2073 if ($key eq 'delete') {
2074 die "propertry 'delete' is only allowed in [PENDING]\n"
2076 # fixme: check syntax?
2079 eval { $value = check_type
($key, $value); };
2080 die "unable to parse value of '$key' - $@" if $@;
2082 $cref->{$key} = $value;
2084 if (!$snapname && valid_drivename
($key)) {
2085 my $drive = parse_drive
($key, $value);
2086 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2091 &$cleanup_config($conf);
2093 &$cleanup_config($conf->{pending
}, 1);
2095 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2096 die "internal error" if $snapname eq 'pending';
2097 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2100 # remove 'unusedX' settings if we re-add a volume
2101 foreach my $key (keys %$conf) {
2102 my $value = $conf->{$key};
2103 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2104 delete $conf->{$key};
2108 my $generate_raw_config = sub {
2113 # add description as comment to top of file
2114 my $descr = $conf->{description
} || '';
2115 foreach my $cl (split(/\n/, $descr)) {
2116 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2119 foreach my $key (sort keys %$conf) {
2120 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2121 $raw .= "$key: $conf->{$key}\n";
2126 my $raw = &$generate_raw_config($conf);
2128 if (scalar(keys %{$conf->{pending
}})){
2129 $raw .= "\n[PENDING]\n";
2130 $raw .= &$generate_raw_config($conf->{pending
});
2133 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2134 $raw .= "\n[$snapname]\n";
2135 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2141 sub update_config_nolock
{
2142 my ($vmid, $conf, $skiplock) = @_;
2144 check_lock
($conf) if !$skiplock;
2146 my $cfspath = cfs_config_path
($vmid);
2148 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
2152 my ($vmid, $conf, $skiplock) = @_;
2154 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
2161 # we use static defaults from our JSON schema configuration
2162 foreach my $key (keys %$confdesc) {
2163 if (defined(my $default = $confdesc->{$key}->{default})) {
2164 $res->{$key} = $default;
2168 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
2169 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
2175 my $vmlist = PVE
::Cluster
::get_vmlist
();
2177 return $res if !$vmlist || !$vmlist->{ids
};
2178 my $ids = $vmlist->{ids
};
2180 foreach my $vmid (keys %$ids) {
2181 my $d = $ids->{$vmid};
2182 next if !$d->{node
} || $d->{node
} ne $nodename;
2183 next if !$d->{type
} || $d->{type
} ne 'qemu';
2184 $res->{$vmid}->{exists} = 1;
2189 # test if VM uses local resources (to prevent migration)
2190 sub check_local_resources
{
2191 my ($conf, $noerr) = @_;
2195 $loc_res = 1 if $conf->{hostusb
}; # old syntax
2196 $loc_res = 1 if $conf->{hostpci
}; # old syntax
2198 foreach my $k (keys %$conf) {
2199 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2200 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2203 die "VM uses local resources\n" if $loc_res && !$noerr;
2208 # check if used storages are available on all nodes (use by migrate)
2209 sub check_storage_availability
{
2210 my ($storecfg, $conf, $node) = @_;
2212 foreach_drive
($conf, sub {
2213 my ($ds, $drive) = @_;
2215 my $volid = $drive->{file
};
2218 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2221 # check if storage is available on both nodes
2222 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2223 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2227 # list nodes where all VM images are available (used by has_feature API)
2229 my ($conf, $storecfg) = @_;
2231 my $nodelist = PVE
::Cluster
::get_nodelist
();
2232 my $nodehash = { map { $_ => 1 } @$nodelist };
2233 my $nodename = PVE
::INotify
::nodename
();
2235 foreach_drive
($conf, sub {
2236 my ($ds, $drive) = @_;
2238 my $volid = $drive->{file
};
2241 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2243 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2244 if ($scfg->{disable
}) {
2246 } elsif (my $avail = $scfg->{nodes
}) {
2247 foreach my $node (keys %$nodehash) {
2248 delete $nodehash->{$node} if !$avail->{$node};
2250 } elsif (!$scfg->{shared
}) {
2251 foreach my $node (keys %$nodehash) {
2252 delete $nodehash->{$node} if $node ne $nodename
2264 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
2268 my ($pidfile, $pid) = @_;
2270 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2274 return undef if !$line;
2275 my @param = split(/\0/, $line);
2277 my $cmd = $param[0];
2278 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2280 for (my $i = 0; $i < scalar (@param); $i++) {
2283 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2284 my $p = $param[$i+1];
2285 return 1 if $p && ($p eq $pidfile);
2294 my ($vmid, $nocheck, $node) = @_;
2296 my $filename = config_file
($vmid, $node);
2298 die "unable to find configuration file for VM $vmid - no such machine\n"
2299 if !$nocheck && ! -f
$filename;
2301 my $pidfile = pidfile_name
($vmid);
2303 if (my $fd = IO
::File-
>new("<$pidfile")) {
2308 my $mtime = $st->mtime;
2309 if ($mtime > time()) {
2310 warn "file '$filename' modified in future\n";
2313 if ($line =~ m/^(\d+)$/) {
2315 if (check_cmdline
($pidfile, $pid)) {
2316 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2328 my $vzlist = config_list
();
2330 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2332 while (defined(my $de = $fd->read)) {
2333 next if $de !~ m/^(\d+)\.pid$/;
2335 next if !defined($vzlist->{$vmid});
2336 if (my $pid = check_running
($vmid)) {
2337 $vzlist->{$vmid}->{pid
} = $pid;
2345 my ($storecfg, $conf) = @_;
2347 my $bootdisk = $conf->{bootdisk
};
2348 return undef if !$bootdisk;
2349 return undef if !valid_drivename
($bootdisk);
2351 return undef if !$conf->{$bootdisk};
2353 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2354 return undef if !defined($drive);
2356 return undef if drive_is_cdrom
($drive);
2358 my $volid = $drive->{file
};
2359 return undef if !$volid;
2361 return $drive->{size
};
2364 my $last_proc_pid_stat;
2366 # get VM status information
2367 # This must be fast and should not block ($full == false)
2368 # We only query KVM using QMP if $full == true (this can be slow)
2370 my ($opt_vmid, $full) = @_;
2374 my $storecfg = PVE
::Storage
::config
();
2376 my $list = vzlist
();
2377 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2379 my $cpucount = $cpuinfo->{cpus
} || 1;
2381 foreach my $vmid (keys %$list) {
2382 next if $opt_vmid && ($vmid ne $opt_vmid);
2384 my $cfspath = cfs_config_path
($vmid);
2385 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2388 $d->{pid
} = $list->{$vmid}->{pid
};
2390 # fixme: better status?
2391 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2393 my $size = disksize
($storecfg, $conf);
2394 if (defined($size)) {
2395 $d->{disk
} = 0; # no info available
2396 $d->{maxdisk
} = $size;
2402 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2403 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2405 $d->{name
} = $conf->{name
} || "VM $vmid";
2406 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2408 if ($conf->{balloon
}) {
2409 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2410 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2421 $d->{diskwrite
} = 0;
2423 $d->{template
} = is_template
($conf);
2428 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2429 foreach my $dev (keys %$netdev) {
2430 next if $dev !~ m/^tap([1-9]\d*)i/;
2432 my $d = $res->{$vmid};
2435 $d->{netout
} += $netdev->{$dev}->{receive
};
2436 $d->{netin
} += $netdev->{$dev}->{transmit
};
2439 my $ctime = gettimeofday
;
2441 foreach my $vmid (keys %$list) {
2443 my $d = $res->{$vmid};
2444 my $pid = $d->{pid
};
2447 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2448 next if !$pstat; # not running
2450 my $used = $pstat->{utime} + $pstat->{stime
};
2452 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2454 if ($pstat->{vsize
}) {
2455 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2458 my $old = $last_proc_pid_stat->{$pid};
2460 $last_proc_pid_stat->{$pid} = {
2468 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2470 if ($dtime > 1000) {
2471 my $dutime = $used - $old->{used
};
2473 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2474 $last_proc_pid_stat->{$pid} = {
2480 $d->{cpu
} = $old->{cpu
};
2484 return $res if !$full;
2486 my $qmpclient = PVE
::QMPClient-
>new();
2488 my $ballooncb = sub {
2489 my ($vmid, $resp) = @_;
2491 my $info = $resp->{'return'};
2492 return if !$info->{max_mem
};
2494 my $d = $res->{$vmid};
2496 # use memory assigned to VM
2497 $d->{maxmem
} = $info->{max_mem
};
2498 $d->{balloon
} = $info->{actual
};
2500 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2501 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2502 $d->{freemem
} = $info->{free_mem
};
2507 my $blockstatscb = sub {
2508 my ($vmid, $resp) = @_;
2509 my $data = $resp->{'return'} || [];
2510 my $totalrdbytes = 0;
2511 my $totalwrbytes = 0;
2512 for my $blockstat (@$data) {
2513 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2514 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2516 $res->{$vmid}->{diskread
} = $totalrdbytes;
2517 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2520 my $statuscb = sub {
2521 my ($vmid, $resp) = @_;
2523 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2524 # this fails if ballon driver is not loaded, so this must be
2525 # the last commnand (following command are aborted if this fails).
2526 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2528 my $status = 'unknown';
2529 if (!defined($status = $resp->{'return'}->{status
})) {
2530 warn "unable to get VM status\n";
2534 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2537 foreach my $vmid (keys %$list) {
2538 next if $opt_vmid && ($vmid ne $opt_vmid);
2539 next if !$res->{$vmid}->{pid
}; # not running
2540 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2543 $qmpclient->queue_execute(undef, 1);
2545 foreach my $vmid (keys %$list) {
2546 next if $opt_vmid && ($vmid ne $opt_vmid);
2547 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2554 my ($conf, $func) = @_;
2556 foreach my $ds (keys %$conf) {
2557 next if !valid_drivename
($ds);
2559 my $drive = parse_drive
($ds, $conf->{$ds});
2562 &$func($ds, $drive);
2567 my ($conf, $func) = @_;
2571 my $test_volid = sub {
2572 my ($volid, $is_cdrom) = @_;
2576 $volhash->{$volid} = $is_cdrom || 0;
2579 foreach_drive
($conf, sub {
2580 my ($ds, $drive) = @_;
2581 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2584 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2585 my $snap = $conf->{snapshots
}->{$snapname};
2586 &$test_volid($snap->{vmstate
}, 0);
2587 foreach_drive
($snap, sub {
2588 my ($ds, $drive) = @_;
2589 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2593 foreach my $volid (keys %$volhash) {
2594 &$func($volid, $volhash->{$volid});
2598 sub vga_conf_has_spice
{
2601 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2606 sub config_to_command
{
2607 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2610 my $globalFlags = [];
2611 my $machineFlags = [];
2617 my $kvmver = kvm_user_version
();
2618 my $vernum = 0; # unknown
2619 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2620 $vernum = $1*1000000+$2*1000;
2621 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2622 $vernum = $1*1000000+$2*1000+$3;
2625 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2627 my $have_ovz = -f
'/proc/vz/vestat';
2629 my $q35 = machine_type_is_q35
($conf);
2630 my $hotplug_features = parse_hotplug_features
(defined($conf->{hotplug
}) ?
$conf->{hotplug
} : '1');
2632 push @$cmd, '/usr/bin/kvm';
2634 push @$cmd, '-id', $vmid;
2638 my $qmpsocket = qmp_socket
($vmid);
2639 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2640 push @$cmd, '-mon', "chardev=qmp,mode=control";
2642 my $socket = vnc_socket
($vmid);
2643 push @$cmd, '-vnc', "unix:$socket,x509,password";
2645 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2647 push @$cmd, '-daemonize';
2649 if ($conf->{smbios1
}) {
2650 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2653 push @$cmd, '-object', "iothread,id=iothread0" if $conf->{iothread
};
2656 # the q35 chipset support native usb2, so we enable usb controller
2657 # by default for this machine type
2658 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
2660 $pciaddr = print_pci_addr
("piix3", $bridges);
2661 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2664 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2665 next if !$conf->{"usb$i"};
2668 # include usb device config
2669 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2672 my $vga = $conf->{vga
};
2674 my $qxlnum = vga_conf_has_spice
($vga);
2675 $vga = 'qxl' if $qxlnum;
2678 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2679 $conf->{ostype
} eq 'win7' ||
2680 $conf->{ostype
} eq 'w2k8')) {
2687 # enable absolute mouse coordinates (needed by vnc)
2689 if (defined($conf->{tablet
})) {
2690 $tablet = $conf->{tablet
};
2692 $tablet = $defaults->{tablet
};
2693 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2694 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2697 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2700 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2701 my $d = parse_hostpci
($conf->{"hostpci$i"});
2704 my $pcie = $d->{pcie
};
2706 die "q35 machine model is not enabled" if !$q35;
2707 $pciaddr = print_pcie_addr
("hostpci$i");
2709 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2712 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2713 my $driver = $d->{driver
} && $d->{driver
} eq 'vfio' ?
"vfio-pci" : "pci-assign";
2714 my $xvga = $d->{'x-vga'} && $d->{'x-vga'} eq 'on' ?
",x-vga=on" : "";
2715 if ($xvga && $xvga ne '') {
2716 push @$cpuFlags, 'kvm=off';
2719 $driver = "vfio-pci" if $xvga ne '';
2720 my $pcidevices = $d->{pciid
};
2721 my $multifunction = 1 if @$pcidevices > 1;
2724 foreach my $pcidevice (@$pcidevices) {
2726 my $id = "hostpci$i";
2727 $id .= ".$j" if $multifunction;
2728 my $addr = $pciaddr;
2729 $addr .= ".$j" if $multifunction;
2730 my $devicestr = "$driver,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2733 $devicestr .= "$rombar$xvga";
2734 $devicestr .= ",multifunction=on" if $multifunction;
2737 push @$devices, '-device', $devicestr;
2743 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2744 my $d = parse_usb_device
($conf->{"usb$i"});
2746 if ($d->{vendorid
} && $d->{productid
}) {
2747 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2748 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2749 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2750 } elsif ($d->{spice
}) {
2751 # usb redir support for spice
2752 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2753 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2758 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2759 if (my $path = $conf->{"serial$i"}) {
2760 if ($path eq 'socket') {
2761 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2762 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2763 push @$devices, '-device', "isa-serial,chardev=serial$i";
2765 die "no such serial device\n" if ! -c
$path;
2766 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2767 push @$devices, '-device', "isa-serial,chardev=serial$i";
2773 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2774 if (my $path = $conf->{"parallel$i"}) {
2775 die "no such parallel device\n" if ! -c
$path;
2776 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2777 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2778 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2782 my $vmname = $conf->{name
} || "vm$vmid";
2784 push @$cmd, '-name', $vmname;
2787 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2788 $sockets = $conf->{sockets
} if $conf->{sockets
};
2790 my $cores = $conf->{cores
} || 1;
2792 my $maxcpus = $sockets * $cores;
2794 my $vcpus = $conf->{vcpus
} ?
$conf->{vcpus
} : $maxcpus;
2796 my $allowed_vcpus = $cpuinfo->{cpus
};
2798 die "MAX $maxcpus vcpus allowed per VM on this node\n"
2799 if ($allowed_vcpus < $maxcpus);
2801 push @$cmd, '-smp', "$vcpus,sockets=$sockets,cores=$cores,maxcpus=$maxcpus";
2803 push @$cmd, '-nodefaults';
2805 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2807 my $bootindex_hash = {};
2809 foreach my $o (split(//, $bootorder)) {
2810 $bootindex_hash->{$o} = $i*100;
2814 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000";
2816 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2818 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2820 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2823 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2825 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2826 my $useLocaltime = $conf->{localtime};
2828 if (my $ost = $conf->{ostype
}) {
2829 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2831 if ($ost =~ m/^w/) { # windows
2832 $useLocaltime = 1 if !defined($conf->{localtime});
2834 # use time drift fix when acpi is enabled
2835 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2836 $tdf = 1 if !defined($conf->{tdf
});
2840 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2842 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2843 push @$cmd, '-no-hpet';
2844 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2845 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2848 if ($ost eq 'win7' || $ost eq 'win8') {
2849 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2853 push @$rtcFlags, 'driftfix=slew' if $tdf;
2856 push @$machineFlags, 'accel=tcg';
2858 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2861 my $machine_type = $forcemachine || $conf->{machine
};
2862 if ($machine_type) {
2863 push @$machineFlags, "type=${machine_type}";
2866 if ($conf->{startdate
}) {
2867 push @$rtcFlags, "base=$conf->{startdate}";
2868 } elsif ($useLocaltime) {
2869 push @$rtcFlags, 'base=localtime';
2872 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2873 $cpu = $conf->{cpu
} if $conf->{cpu
};
2875 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2877 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2879 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2881 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2883 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2885 # Note: enforce needs kernel 3.10, so we do not use it for now
2886 # push @$cmd, '-cpu', "$cpu,enforce";
2887 push @$cmd, '-cpu', $cpu;
2889 my $memory = $conf->{memory
} || $defaults->{memory
};
2890 my $static_memory = 0;
2891 my $dimm_memory = 0;
2893 if ($hotplug_features->{memory
}) {
2894 die "Numa need to be enabled for memory hotplug" if !$conf->{numa
};
2895 die "Total memory is bigger than $MAX_MEM MB" if $memory > $MAX_MEM;
2896 die "memory should be a multiple of 128!" if ($memory % 128 != 0);
2897 $static_memory = $STATICMEM;
2898 die "minimum memory must be $static_memory"."MB" if($memory < $static_memory);
2899 $dimm_memory = $memory - $static_memory;
2900 push @$cmd, '-m', "size=".$static_memory.",slots=255,maxmem=".$MAX_MEM."M";
2904 $static_memory = $memory;
2905 push @$cmd, '-m', $static_memory;
2908 if ($conf->{numa
}) {
2910 my $numa_totalmemory = undef;
2911 for (my $i = 0; $i < $MAX_NUMA; $i++) {
2912 next if !$conf->{"numa$i"};
2913 my $numa = parse_numa
($conf->{"numa$i"});
2916 die "missing numa node$i memory value\n" if !$numa->{memory
};
2917 my $numa_memory = $numa->{memory
};
2918 $numa_totalmemory += $numa_memory;
2919 my $numa_object = "memory-backend-ram,id=ram-node$i,size=$numa_memory"."M";
2922 my $cpus_start = $numa->{cpus
}->{start
};
2923 die "missing numa node$i cpus\n" if !defined($cpus_start);
2924 my $cpus_end = $numa->{cpus
}->{end
} if defined($numa->{cpus
}->{end
});
2925 my $cpus = $cpus_start;
2926 if (defined($cpus_end)) {
2927 $cpus .= "-$cpus_end";
2928 die "numa node$i : cpu range $cpus is incorrect\n" if $cpus_end <= $cpus_start;
2932 my $hostnodes_start = $numa->{hostnodes
}->{start
};
2933 if (defined($hostnodes_start)) {
2934 my $hostnodes_end = $numa->{hostnodes
}->{end
} if defined($numa->{hostnodes
}->{end
});
2935 my $hostnodes = $hostnodes_start;
2936 if (defined($hostnodes_end)) {
2937 $hostnodes .= "-$hostnodes_end";
2938 die "host node $hostnodes range is incorrect\n" if $hostnodes_end <= $hostnodes_start;
2941 my $hostnodes_end_range = defined($hostnodes_end) ?
$hostnodes_end : $hostnodes_start;
2942 for (my $i = $hostnodes_start; $i <= $hostnodes_end_range; $i++ ) {
2943 die "host numa node$i don't exist\n" if ! -d
"/sys/devices/system/node/node$i/";
2947 my $policy = $numa->{policy
};
2948 die "you need to define a policy for hostnode $hostnodes\n" if !$policy;
2949 $numa_object .= ",host-nodes=$hostnodes,policy=$policy";
2952 push @$cmd, '-object', $numa_object;
2953 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2956 die "total memory for NUMA nodes must be equal to vm static memory\n"
2957 if $numa_totalmemory && $numa_totalmemory != $static_memory;
2959 #if no custom tology, we split memory and cores across numa nodes
2960 if(!$numa_totalmemory) {
2962 my $numa_memory = ($static_memory / $sockets) . "M";
2964 for (my $i = 0; $i < $sockets; $i++) {
2966 my $cpustart = ($cores * $i);
2967 my $cpuend = ($cpustart + $cores - 1) if $cores && $cores > 1;
2968 my $cpus = $cpustart;
2969 $cpus .= "-$cpuend" if $cpuend;
2971 push @$cmd, '-object', "memory-backend-ram,size=$numa_memory,id=ram-node$i";
2972 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2977 if ($hotplug_features->{memory
}) {
2979 my $dimm_size = 512;
2980 my $current_size = $static_memory;
2981 for (my $j = 0; $j < 8; $j++) {
2982 for (my $i = 0; $i < 32; $i++) {
2983 my $name = "dimm${dimm_id}";
2985 last if $current_size >= $memory;
2986 my $numanode = $i % $sockets;
2987 push @$cmd, "-object" , "memory-backend-ram,id=mem-$name,size=$dimm_size"."M";
2988 push @$cmd, "-device", "pc-dimm,id=$name,memdev=mem-$name,node=$numanode";
2989 $current_size += $dimm_size;
2990 #if dimm_memory is not aligned to dimm map
2991 if($current_size > $memory) {
2992 $conf->{memory
} = $current_size;
2993 update_config_nolock
($vmid, $conf, 1);
3000 push @$cmd, '-S' if $conf->{freeze
};
3002 # set keyboard layout
3003 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
3004 push @$cmd, '-k', $kb if $kb;
3007 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
3008 #push @$cmd, '-soundhw', 'es1370';
3009 #push @$cmd, '-soundhw', $soundhw if $soundhw;
3011 if($conf->{agent
}) {
3012 my $qgasocket = qmp_socket
($vmid, 1);
3013 my $pciaddr = print_pci_addr
("qga0", $bridges);
3014 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
3015 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
3016 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
3023 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
3024 for(my $i = 1; $i < $qxlnum; $i++){
3025 my $pciaddr = print_pci_addr
("vga$i", $bridges);
3026 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
3029 # assume other OS works like Linux
3030 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
3031 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
3035 my $pciaddr = print_pci_addr
("spice", $bridges);
3037 $spice_port = PVE
::Tools
::next_spice_port
();
3039 push @$devices, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
3041 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
3042 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
3043 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
3046 # enable balloon by default, unless explicitly disabled
3047 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
3048 $pciaddr = print_pci_addr
("balloon0", $bridges);
3049 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
3052 if ($conf->{watchdog
}) {
3053 my $wdopts = parse_watchdog
($conf->{watchdog
});
3054 $pciaddr = print_pci_addr
("watchdog", $bridges);
3055 my $watchdog = $wdopts->{model
} || 'i6300esb';
3056 push @$devices, '-device', "$watchdog$pciaddr";
3057 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
3061 my $scsicontroller = {};
3062 my $ahcicontroller = {};
3063 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
3065 # Add iscsi initiator name if available
3066 if (my $initiator = get_initiator_name
()) {
3067 push @$devices, '-iscsi', "initiator-name=$initiator";
3070 foreach_drive
($conf, sub {
3071 my ($ds, $drive) = @_;
3073 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3074 push @$vollist, $drive->{file
};
3077 $use_virtio = 1 if $ds =~ m/^virtio/;
3079 if (drive_is_cdrom
($drive)) {
3080 if ($bootindex_hash->{d
}) {
3081 $drive->{bootindex
} = $bootindex_hash->{d
};
3082 $bootindex_hash->{d
} += 1;
3085 if ($bootindex_hash->{c
}) {
3086 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
3087 $bootindex_hash->{c
} += 1;
3091 if ($drive->{interface
} eq 'scsi') {
3093 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
3094 my $controller = int($drive->{index} / $maxdev);
3095 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
3096 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
3097 $scsicontroller->{$controller}=1;
3100 if ($drive->{interface
} eq 'sata') {
3101 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3102 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
3103 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3104 $ahcicontroller->{$controller}=1;
3107 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
3108 push @$devices, '-drive',$drive_cmd;
3109 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
3112 for (my $i = 0; $i < $MAX_NETS; $i++) {
3113 next if !$conf->{"net$i"};
3114 my $d = parse_net
($conf->{"net$i"});
3117 $use_virtio = 1 if $d->{model
} eq 'virtio';
3119 if ($bootindex_hash->{n
}) {
3120 $d->{bootindex
} = $bootindex_hash->{n
};
3121 $bootindex_hash->{n
} += 1;
3124 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
3125 push @$devices, '-netdev', $netdevfull;
3127 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
3128 push @$devices, '-device', $netdevicefull;
3133 while (my ($k, $v) = each %$bridges) {
3134 $pciaddr = print_pci_addr
("pci.$k");
3135 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3139 # hack: virtio with fairsched is unreliable, so we do not use fairsched
3140 # when the VM uses virtio devices.
3141 if (!$use_virtio && $have_ovz) {
3143 my $cpuunits = defined($conf->{cpuunits
}) ?
3144 $conf->{cpuunits
} : $defaults->{cpuunits
};
3146 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
3148 # fixme: cpulimit is currently ignored
3149 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
3153 if ($conf->{args
}) {
3154 my $aa = PVE
::Tools
::split_args
($conf->{args
});
3158 push @$cmd, @$devices;
3159 push @$cmd, '-rtc', join(',', @$rtcFlags)
3160 if scalar(@$rtcFlags);
3161 push @$cmd, '-machine', join(',', @$machineFlags)
3162 if scalar(@$machineFlags);
3163 push @$cmd, '-global', join(',', @$globalFlags)
3164 if scalar(@$globalFlags);
3166 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
3171 return "${var_run_tmpdir}/$vmid.vnc";
3177 my $res = vm_mon_cmd
($vmid, 'query-spice');
3179 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3183 my ($vmid, $qga) = @_;
3184 my $sockettype = $qga ?
'qga' : 'qmp';
3185 return "${var_run_tmpdir}/$vmid.$sockettype";
3190 return "${var_run_tmpdir}/$vmid.pid";
3193 sub vm_devices_list
{
3196 my $res = vm_mon_cmd
($vmid, 'query-pci');
3198 foreach my $pcibus (@$res) {
3199 foreach my $device (@{$pcibus->{devices
}}) {
3200 next if !$device->{'qdev_id'};
3201 $devices->{$device->{'qdev_id'}} = 1;
3205 my $resblock = vm_mon_cmd
($vmid, 'query-block');
3206 foreach my $block (@$resblock) {
3207 if($block->{device
} =~ m/^drive-(\S+)/){
3212 my $resmice = vm_mon_cmd
($vmid, 'query-mice');
3213 foreach my $mice (@$resmice) {
3214 if ($mice->{name
} eq 'QEMU HID Tablet') {
3215 $devices->{tablet
} = 1;
3224 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3226 my $q35 = machine_type_is_q35
($conf);
3228 my $devices_list = vm_devices_list
($vmid);
3229 return 1 if defined($devices_list->{$deviceid});
3231 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3233 if ($deviceid eq 'tablet') {
3235 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
3237 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3239 qemu_driveadd
($storecfg, $vmid, $device);
3240 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3242 qemu_deviceadd
($vmid, $devicefull);
3243 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3245 eval { qemu_drivedel
($vmid, $deviceid); };
3250 } elsif ($deviceid =~ m/^(scsihw)(\d+)$/) {
3252 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
3253 my $pciaddr = print_pci_addr
($deviceid);
3254 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
3256 qemu_deviceadd
($vmid, $devicefull);
3257 qemu_deviceaddverify
($vmid, $deviceid);
3259 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3261 qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
3262 qemu_driveadd
($storecfg, $vmid, $device);
3264 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3265 eval { qemu_deviceadd
($vmid, $devicefull); };
3267 eval { qemu_drivedel
($vmid, $deviceid); };
3272 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3274 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
3275 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
3276 qemu_deviceadd
($vmid, $netdevicefull);
3277 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3279 eval { qemu_netdevdel
($vmid, $deviceid); };
3284 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3287 my $pciaddr = print_pci_addr
($deviceid);
3288 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3290 qemu_deviceadd
($vmid, $devicefull);
3291 qemu_deviceaddverify
($vmid, $deviceid);
3294 die "can't hotplug device '$deviceid'\n";
3300 # fixme: this should raise exceptions on error!
3301 sub vm_deviceunplug
{
3302 my ($vmid, $conf, $deviceid) = @_;
3304 my $devices_list = vm_devices_list
($vmid);
3305 return 1 if !defined($devices_list->{$deviceid});
3307 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
3309 if ($deviceid eq 'tablet') {
3311 qemu_devicedel
($vmid, $deviceid);
3313 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3315 qemu_devicedel
($vmid, $deviceid);
3316 qemu_devicedelverify
($vmid, $deviceid);
3317 qemu_drivedel
($vmid, $deviceid);
3319 } elsif ($deviceid =~ m/^(lsi)(\d+)$/) {
3321 qemu_devicedel
($vmid, $deviceid);
3323 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3325 qemu_devicedel
($vmid, $deviceid);
3326 qemu_drivedel
($vmid, $deviceid);
3328 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3330 qemu_devicedel
($vmid, $deviceid);
3331 qemu_devicedelverify
($vmid, $deviceid);
3332 qemu_netdevdel
($vmid, $deviceid);
3335 die "can't unplug device '$deviceid'\n";
3341 sub qemu_deviceadd
{
3342 my ($vmid, $devicefull) = @_;
3344 $devicefull = "driver=".$devicefull;
3345 my %options = split(/[=,]/, $devicefull);
3347 vm_mon_cmd
($vmid, "device_add" , %options);
3350 sub qemu_devicedel
{
3351 my ($vmid, $deviceid) = @_;
3353 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3356 sub qemu_objectadd
{
3357 my($vmid, $objectid, $qomtype) = @_;
3359 vm_mon_cmd
($vmid, "object-add", id
=> $objectid, "qom-type" => $qomtype);
3364 sub qemu_objectdel
{
3365 my($vmid, $objectid) = @_;
3367 vm_mon_cmd
($vmid, "object-del", id
=> $objectid);
3373 my ($storecfg, $vmid, $device) = @_;
3375 my $drive = print_drive_full
($storecfg, $vmid, $device);
3376 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
3378 # If the command succeeds qemu prints: "OK"
3379 return 1 if $ret =~ m/OK/s;
3381 die "adding drive failed: $ret\n";
3385 my($vmid, $deviceid) = @_;
3387 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
3390 return 1 if $ret eq "";
3392 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3393 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3395 die "deleting drive $deviceid failed : $ret\n";
3398 sub qemu_deviceaddverify
{
3399 my ($vmid, $deviceid) = @_;
3401 for (my $i = 0; $i <= 5; $i++) {
3402 my $devices_list = vm_devices_list
($vmid);
3403 return 1 if defined($devices_list->{$deviceid});
3407 die "error on hotplug device '$deviceid'\n";
3411 sub qemu_devicedelverify
{
3412 my ($vmid, $deviceid) = @_;
3414 # need to verify that the device is correctly removed as device_del
3415 # is async and empty return is not reliable
3417 for (my $i = 0; $i <= 5; $i++) {
3418 my $devices_list = vm_devices_list
($vmid);
3419 return 1 if !defined($devices_list->{$deviceid});
3423 die "error on hot-unplugging device '$deviceid'\n";
3426 sub qemu_findorcreatescsihw
{
3427 my ($storecfg, $conf, $vmid, $device) = @_;
3429 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
3430 my $controller = int($device->{index} / $maxdev);
3431 my $scsihwid="scsihw$controller";
3432 my $devices_list = vm_devices_list
($vmid);
3434 if(!defined($devices_list->{$scsihwid})) {
3435 vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
3441 sub qemu_add_pci_bridge
{
3442 my ($storecfg, $conf, $vmid, $device) = @_;
3448 print_pci_addr
($device, $bridges);
3450 while (my ($k, $v) = each %$bridges) {
3453 return 1 if !defined($bridgeid) || $bridgeid < 1;
3455 my $bridge = "pci.$bridgeid";
3456 my $devices_list = vm_devices_list
($vmid);
3458 if (!defined($devices_list->{$bridge})) {
3459 vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
3465 sub qemu_set_link_status
{
3466 my ($vmid, $device, $up) = @_;
3468 vm_mon_cmd
($vmid, "set_link", name
=> $device,
3469 up
=> $up ? JSON
::true
: JSON
::false
);
3472 sub qemu_netdevadd
{
3473 my ($vmid, $conf, $device, $deviceid) = @_;
3475 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
3476 my %options = split(/[=,]/, $netdev);
3478 vm_mon_cmd
($vmid, "netdev_add", %options);
3482 sub qemu_netdevdel
{
3483 my ($vmid, $deviceid) = @_;
3485 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
3488 sub qemu_cpu_hotplug
{
3489 my ($vmid, $conf, $vcpus) = @_;
3492 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
3493 $sockets = $conf->{sockets
} if $conf->{sockets
};
3494 my $cores = $conf->{cores
} || 1;
3495 my $maxcpus = $sockets * $cores;
3497 $vcpus = $maxcpus if !$vcpus;
3499 die "you can't add more vcpus than maxcpus\n"
3500 if $vcpus > $maxcpus;
3502 my $currentvcpus = $conf->{vcpus
} || $maxcpus;
3503 die "online cpu unplug is not yet possible\n"
3504 if $vcpus < $currentvcpus;
3506 my $currentrunningvcpus = vm_mon_cmd
($vmid, "query-cpus");
3507 die "vcpus in running vm is different than configuration\n"
3508 if scalar(@{$currentrunningvcpus}) != $currentvcpus;
3510 for (my $i = $currentvcpus; $i < $vcpus; $i++) {
3511 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
3515 sub qemu_memory_hotplug
{
3516 my ($vmid, $conf, $defaults, $opt, $value) = @_;
3518 return $value if !check_running
($vmid);
3520 my $memory = $conf->{memory
} || $defaults->{memory
};
3521 $value = $defaults->{memory
} if !$value;
3522 return $value if $value == $memory;
3524 my $static_memory = $STATICMEM;
3525 my $dimm_memory = $memory - $static_memory;
3527 die "memory can't be lower than $static_memory MB" if $value < $static_memory;
3528 die "memory unplug is not yet available" if $value < $memory;
3529 die "memory should be a multiple of 128!\n" if ($value % 128 != 0);
3530 die "you cannot add more memory than $MAX_MEM MB!\n" if $memory > $MAX_MEM;
3534 $sockets = $conf->{sockets
} if $conf->{sockets
};
3537 my $current_size = $static_memory;
3538 my $dimm_size = 512;
3539 for (my $j = 0; $j < 8; $j++) {
3540 for (my $i = 0; $i < 32; $i++) {
3541 my $name = "dimm${dimm_id}";
3543 $current_size += $dimm_size;
3544 next if $current_size <= $memory;
3545 my $numanode = $i % $sockets;
3547 eval { vm_mon_cmd
($vmid, "object-add", 'qom-type' => "memory-backend-ram", id
=> "mem-$name", props
=> { size
=> int($dimm_size*1024*1024) } ) };
3549 eval { qemu_objectdel
($vmid, "mem-$name"); };
3553 eval { vm_mon_cmd
($vmid, "device_add", driver
=> "pc-dimm", id
=> "$name", memdev
=> "mem-$name", node
=> $numanode) };
3555 eval { qemu_objectdel
($vmid, "mem-$name"); };
3558 #update conf after each succesful module hotplug
3559 $conf->{$opt} = $current_size;
3560 update_config_nolock
($vmid, $conf, 1);
3562 return $current_size if $current_size >= $value;
3569 sub qemu_block_set_io_throttle
{
3570 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
3572 return if !check_running
($vmid) ;
3574 vm_mon_cmd
($vmid, "block_set_io_throttle", device
=> $deviceid, bps
=> int($bps), bps_rd
=> int($bps_rd), bps_wr
=> int($bps_wr), iops
=> int($iops), iops_rd
=> int($iops_rd), iops_wr
=> int($iops_wr));
3578 # old code, only used to shutdown old VM after update
3580 my ($fh, $timeout) = @_;
3582 my $sel = new IO
::Select
;
3589 while (scalar (@ready = $sel->can_read($timeout))) {
3591 if ($count = $fh->sysread($buf, 8192)) {
3592 if ($buf =~ /^(.*)\(qemu\) $/s) {
3599 if (!defined($count)) {
3606 die "monitor read timeout\n" if !scalar(@ready);
3611 # old code, only used to shutdown old VM after update
3612 sub vm_monitor_command
{
3613 my ($vmid, $cmdstr, $nocheck) = @_;
3618 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3620 my $sname = "${var_run_tmpdir}/$vmid.mon";
3622 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3623 die "unable to connect to VM $vmid socket - $!\n";
3627 # hack: migrate sometime blocks the monitor (when migrate_downtime
3629 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3630 $timeout = 60*60; # 1 hour
3634 my $data = __read_avail
($sock, $timeout);
3636 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3637 die "got unexpected qemu monitor banner\n";
3640 my $sel = new IO
::Select
;
3643 if (!scalar(my @ready = $sel->can_write($timeout))) {
3644 die "monitor write error - timeout";
3647 my $fullcmd = "$cmdstr\r";
3649 # syslog('info', "VM $vmid monitor command: $cmdstr");
3652 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3653 die "monitor write error - $!";
3656 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3660 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3661 $timeout = 60*60; # 1 hour
3662 } elsif ($cmdstr =~ m/^(eject|change)/) {
3663 $timeout = 60; # note: cdrom mount command is slow
3665 if ($res = __read_avail
($sock, $timeout)) {
3667 my @lines = split("\r?\n", $res);
3669 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3671 $res = join("\n", @lines);
3679 syslog
("err", "VM $vmid monitor command failed - $err");
3686 sub qemu_block_resize
{
3687 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3689 my $running = check_running
($vmid);
3691 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3693 return if !$running;
3695 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3699 sub qemu_volume_snapshot
{
3700 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3702 my $running = check_running
($vmid);
3704 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3706 return if !$running;
3708 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3712 sub qemu_volume_snapshot_delete
{
3713 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3715 my $running = check_running
($vmid);
3717 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3719 return if !$running;
3721 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3724 sub set_migration_caps
{
3730 "auto-converge" => 1,
3732 "x-rdma-pin-all" => 0,
3736 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3738 for my $supported_capability (@$supported_capabilities) {
3740 capability
=> $supported_capability->{capability
},
3741 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3745 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3748 my $fast_plug_option = {
3756 # hotplug changes in [PENDING]
3757 # $selection hash can be used to only apply specified options, for
3758 # example: { cores => 1 } (only apply changed 'cores')
3759 # $errors ref is used to return error messages
3760 sub vmconfig_hotplug_pending
{
3761 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
3763 my $defaults = load_defaults
();
3765 # commit values which do not have any impact on running VM first
3766 # Note: those option cannot raise errors, we we do not care about
3767 # $selection and always apply them.
3769 my $add_error = sub {
3770 my ($opt, $msg) = @_;
3771 $errors->{$opt} = "hotplug problem - $msg";
3775 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3776 if ($fast_plug_option->{$opt}) {
3777 $conf->{$opt} = $conf->{pending
}->{$opt};
3778 delete $conf->{pending
}->{$opt};
3784 update_config_nolock
($vmid, $conf, 1);
3785 $conf = load_config
($vmid); # update/reload
3788 my $hotplug_features = parse_hotplug_features
(defined($conf->{hotplug
}) ?
$conf->{hotplug
} : '1');
3790 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3791 foreach my $opt (@delete) {
3792 next if $selection && !$selection->{$opt};
3794 if ($opt eq 'tablet') {
3795 die "skip\n" if !$hotplug_features->{usb
};
3796 if ($defaults->{tablet
}) {
3797 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3799 vm_deviceunplug
($vmid, $conf, $opt);
3801 } elsif ($opt eq 'vcpus') {
3802 die "skip\n" if !$hotplug_features->{cpu
};
3803 qemu_cpu_hotplug
($vmid, $conf, undef);
3804 } elsif ($opt eq 'balloon') {
3805 # enable balloon device is not hotpluggable
3806 die "skip\n" if !defined($conf->{balloon
}) || $conf->{balloon
};
3807 } elsif ($fast_plug_option->{$opt}) {
3809 } elsif ($opt =~ m/^net(\d+)$/) {
3810 die "skip\n" if !$hotplug_features->{network
};
3811 vm_deviceunplug
($vmid, $conf, $opt);
3812 } elsif (valid_drivename
($opt)) {
3813 die "skip\n" if !$hotplug_features->{disk
} || $opt =~ m/(ide|sata)(\d+)/;
3814 vm_deviceunplug
($vmid, $conf, $opt);
3815 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}));
3816 } elsif ($opt =~ m/^memory$/) {
3817 die "skip\n" if !$hotplug_features->{memory
};
3818 qemu_memory_hotplug
($vmid, $conf, $defaults, $opt);
3824 &$add_error($opt, $err) if $err ne "skip\n";
3826 # save new config if hotplug was successful
3827 delete $conf->{$opt};
3828 vmconfig_undelete_pending_option
($conf, $opt);
3829 update_config_nolock
($vmid, $conf, 1);
3830 $conf = load_config
($vmid); # update/reload
3834 foreach my $opt (keys %{$conf->{pending
}}) {
3835 next if $selection && !$selection->{$opt};
3836 my $value = $conf->{pending
}->{$opt};
3838 if ($opt eq 'tablet') {
3839 die "skip\n" if !$hotplug_features->{usb
};
3841 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3842 } elsif ($value == 0) {
3843 vm_deviceunplug
($vmid, $conf, $opt);
3845 } elsif ($opt eq 'vcpus') {
3846 die "skip\n" if !$hotplug_features->{cpu
};
3847 qemu_cpu_hotplug
($vmid, $conf, $value);
3848 } elsif ($opt eq 'balloon') {
3849 # enable/disable balloning device is not hotpluggable
3850 my $old_balloon_enabled = !!(!defined($conf->{balloon
}) || $conf->{balloon
});
3851 my $new_balloon_enabled = !!(!defined($conf->{pending
}->{balloon
}) || $conf->{pending
}->{balloon
});
3852 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
3854 # allow manual ballooning if shares is set to zero
3855 if (!(defined($conf->{shares
}) && ($conf->{shares
} == 0))) {
3856 my $balloon = $conf->{pending
}->{balloon
} || $conf->{memory
} || $defaults->{memory
};
3857 vm_mon_cmd
($vmid, "balloon", value
=> $balloon*1024*1024);
3859 } elsif ($opt =~ m/^net(\d+)$/) {
3860 # some changes can be done without hotplug
3861 vmconfig_update_net
($storecfg, $conf, $hotplug_features->{network
},
3862 $vmid, $opt, $value);
3863 } elsif (valid_drivename
($opt)) {
3864 # some changes can be done without hotplug
3865 vmconfig_update_disk
($storecfg, $conf, $hotplug_features->{disk
},
3866 $vmid, $opt, $value, 1);
3867 } elsif ($opt =~ m/^memory$/) { #dimms
3868 die "skip\n" if !$hotplug_features->{memory
};
3869 $value = qemu_memory_hotplug
($vmid, $conf, $defaults, $opt, $value);
3871 die "skip\n"; # skip non-hot-pluggable options
3875 &$add_error($opt, $err) if $err ne "skip\n";
3877 # save new config if hotplug was successful
3878 $conf->{$opt} = $value;
3879 delete $conf->{pending
}->{$opt};
3880 update_config_nolock
($vmid, $conf, 1);
3881 $conf = load_config
($vmid); # update/reload
3886 sub vmconfig_apply_pending
{
3887 my ($vmid, $conf, $storecfg) = @_;
3891 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3892 foreach my $opt (@delete) { # delete
3893 die "internal error" if $opt =~ m/^unused/;
3894 $conf = load_config
($vmid); # update/reload
3895 if (!defined($conf->{$opt})) {
3896 vmconfig_undelete_pending_option
($conf, $opt);
3897 update_config_nolock
($vmid, $conf, 1);
3898 } elsif (valid_drivename
($opt)) {
3899 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}));
3900 vmconfig_undelete_pending_option
($conf, $opt);
3901 delete $conf->{$opt};
3902 update_config_nolock
($vmid, $conf, 1);
3904 vmconfig_undelete_pending_option
($conf, $opt);
3905 delete $conf->{$opt};
3906 update_config_nolock
($vmid, $conf, 1);
3910 $conf = load_config
($vmid); # update/reload
3912 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3913 $conf = load_config
($vmid); # update/reload
3915 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending
}->{$opt})) {
3916 # skip if nothing changed
3917 } elsif (valid_drivename
($opt)) {
3918 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}))
3919 if defined($conf->{$opt});
3920 $conf->{$opt} = $conf->{pending
}->{$opt};
3922 $conf->{$opt} = $conf->{pending
}->{$opt};
3925 delete $conf->{pending
}->{$opt};
3926 update_config_nolock
($vmid, $conf, 1);
3930 my $safe_num_ne = sub {
3933 return 0 if !defined($a) && !defined($b);
3934 return 1 if !defined($a);
3935 return 1 if !defined($b);
3940 my $safe_string_ne = sub {
3943 return 0 if !defined($a) && !defined($b);
3944 return 1 if !defined($a);
3945 return 1 if !defined($b);
3950 sub vmconfig_update_net
{
3951 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value) = @_;
3953 my $newnet = parse_net
($value);
3955 if ($conf->{$opt}) {
3956 my $oldnet = parse_net
($conf->{$opt});
3958 if (&$safe_string_ne($oldnet->{model
}, $newnet->{model
}) ||
3959 &$safe_string_ne($oldnet->{macaddr
}, $newnet->{macaddr
}) ||
3960 &$safe_num_ne($oldnet->{queues
}, $newnet->{queues
}) ||
3961 !($newnet->{bridge
} && $oldnet->{bridge
})) { # bridge/nat mode change
3963 # for non online change, we try to hot-unplug
3964 die "skip\n" if !$hotplug;
3965 vm_deviceunplug
($vmid, $conf, $opt);
3968 die "internal error" if $opt !~ m/net(\d+)/;
3969 my $iface = "tap${vmid}i$1";
3971 if (&$safe_num_ne($oldnet->{rate
}, $newnet->{rate
})) {
3972 PVE
::Network
::tap_rate_limit
($iface, $newnet->{rate
});
3975 if (&$safe_string_ne($oldnet->{bridge
}, $newnet->{bridge
}) ||
3976 &$safe_num_ne($oldnet->{tag
}, $newnet->{tag
}) ||
3977 &$safe_num_ne($oldnet->{firewall
}, $newnet->{firewall
})) {
3978 PVE
::Network
::tap_unplug
($iface);
3979 PVE
::Network
::tap_plug
($iface, $newnet->{bridge
}, $newnet->{tag
}, $newnet->{firewall
});
3982 if (&$safe_string_ne($oldnet->{link_down
}, $newnet->{link_down
})) {
3983 qemu_set_link_status
($vmid, $opt, !$newnet->{link_down
});
3991 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $newnet);
3997 sub vmconfig_update_disk
{
3998 my ($storecfg, $conf, $hotplug, $vmid, $opt, $value, $force) = @_;
4000 # fixme: do we need force?
4002 my $drive = parse_drive
($opt, $value);
4004 if ($conf->{$opt}) {
4006 if (my $old_drive = parse_drive
($opt, $conf->{$opt})) {
4008 my $media = $drive->{media
} || 'disk';
4009 my $oldmedia = $old_drive->{media
} || 'disk';
4010 die "unable to change media type\n" if $media ne $oldmedia;
4012 if (!drive_is_cdrom
($old_drive)) {
4014 if ($drive->{file
} ne $old_drive->{file
}) {
4016 die "skip\n" if !$hotplug;
4018 # unplug and register as unused
4019 vm_deviceunplug
($vmid, $conf, $opt);
4020 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, $old_drive)
4023 # update existing disk
4025 # skip non hotpluggable value
4026 if (&$safe_num_ne($drive->{discard
}, $old_drive->{discard
}) ||
4027 &$safe_string_ne($drive->{cache
}, $old_drive->{cache
})) {
4032 if (&$safe_num_ne($drive->{mbps
}, $old_drive->{mbps
}) ||
4033 &$safe_num_ne($drive->{mbps_rd
}, $old_drive->{mbps_rd
}) ||
4034 &$safe_num_ne($drive->{mbps_wr
}, $old_drive->{mbps_wr
}) ||
4035 &$safe_num_ne($drive->{iops
}, $old_drive->{iops
}) ||
4036 &$safe_num_ne($drive->{iops_rd
}, $old_drive->{iops_rd
}) ||
4037 &$safe_num_ne($drive->{iops_wr
}, $old_drive->{iops_wr
}) ||
4038 &$safe_num_ne($drive->{mbps_max
}, $old_drive->{mbps_max
}) ||
4039 &$safe_num_ne($drive->{mbps_rd_max
}, $old_drive->{mbps_rd_max
}) ||
4040 &$safe_num_ne($drive->{mbps_wr_max
}, $old_drive->{mbps_wr_max
}) ||
4041 &$safe_num_ne($drive->{iops_max
}, $old_drive->{iops_max
}) ||
4042 &$safe_num_ne($drive->{iops_rd_max
}, $old_drive->{iops_rd_max
}) ||
4043 &$safe_num_ne($drive->{iops_wr_max
}, $old_drive->{iops_wr_max
})) {
4045 qemu_block_set_io_throttle
($vmid,"drive-$opt",
4046 ($drive->{mbps
} || 0)*1024*1024,
4047 ($drive->{mbps_rd
} || 0)*1024*1024,
4048 ($drive->{mbps_wr
} || 0)*1024*1024,
4049 $drive->{iops
} || 0,
4050 $drive->{iops_rd
} || 0,
4051 $drive->{iops_wr
} || 0,
4052 ($drive->{mbps_max
} || 0)*1024*1024,
4053 ($drive->{mbps_rd_max
} || 0)*1024*1024,
4054 ($drive->{mbps_wr_max
} || 0)*1024*1024,
4055 $drive->{iops_max
} || 0,
4056 $drive->{iops_rd_max
} || 0,
4057 $drive->{iops_wr_max
} || 0);
4067 if (drive_is_cdrom
($drive)) { # cdrom
4069 if ($drive->{file
} eq 'none') {
4070 vm_mon_cmd
($vmid, "eject",force
=> JSON
::true
,device
=> "drive-$opt");
4072 my $path = get_iso_path
($storecfg, $vmid, $drive->{file
});
4073 vm_mon_cmd
($vmid, "eject", force
=> JSON
::true
,device
=> "drive-$opt"); # force eject if locked
4074 vm_mon_cmd
($vmid, "change", device
=> "drive-$opt",target
=> "$path") if $path;
4078 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
4080 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $drive);
4085 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
4087 lock_config
($vmid, sub {
4088 my $conf = load_config
($vmid, $migratedfrom);
4090 die "you can't start a vm if it's a template\n" if is_template
($conf);
4092 check_lock
($conf) if !$skiplock;
4094 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
4096 if (!$statefile && scalar(keys %{$conf->{pending
}})) {
4097 vmconfig_apply_pending
($vmid, $conf, $storecfg);
4098 $conf = load_config
($vmid); # update/reload
4101 my $defaults = load_defaults
();
4103 # set environment variable useful inside network script
4104 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
4106 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
4108 my $migrate_port = 0;
4111 if ($statefile eq 'tcp') {
4112 my $localip = "localhost";
4113 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
4114 if ($datacenterconf->{migration_unsecure
}) {
4115 my $nodename = PVE
::INotify
::nodename
();
4116 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
4118 $migrate_port = PVE
::Tools
::next_migrate_port
();
4119 $migrate_uri = "tcp:${localip}:${migrate_port}";
4120 push @$cmd, '-incoming', $migrate_uri;
4123 push @$cmd, '-loadstate', $statefile;
4130 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
4131 my $d = parse_hostpci
($conf->{"hostpci$i"});
4133 my $pcidevices = $d->{pciid
};
4134 foreach my $pcidevice (@$pcidevices) {
4135 my $pciid = $pcidevice->{id
}.".".$pcidevice->{function
};
4137 my $info = pci_device_info
("0000:$pciid");
4138 die "IOMMU not present\n" if !check_iommu_support
();
4139 die "no pci device info for device '$pciid'\n" if !$info;
4141 if ($d->{driver
} && $d->{driver
} eq "vfio") {
4142 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio
($pciid);
4144 die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub
($info);
4147 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset
} and !pci_dev_reset
($info);
4151 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
4153 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
4156 die "start failed: $err" if $err;
4158 print "migration listens on $migrate_uri\n" if $migrate_uri;
4160 if ($statefile && $statefile ne 'tcp') {
4161 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
4165 if ($migratedfrom) {
4168 set_migration_caps
($vmid);
4173 print "spice listens on port $spice_port\n";
4174 if ($spice_ticket) {
4175 vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
4176 vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
4182 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
4183 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
4184 if $conf->{balloon
};
4185 vm_mon_cmd_nocheck
($vmid, 'qom-set',
4186 path
=> "machine/peripheral/balloon0",
4187 property
=> "guest-stats-polling-interval",
4191 foreach my $opt (keys %$conf) {
4192 next if $opt !~ m/^net\d+$/;
4193 my $nicconf = parse_net
($conf->{$opt});
4194 qemu_set_link_status
($vmid, $opt, 0) if $nicconf->{link_down
};
4201 my ($vmid, $execute, %params) = @_;
4203 my $cmd = { execute
=> $execute, arguments
=> \
%params };
4204 vm_qmp_command
($vmid, $cmd);
4207 sub vm_mon_cmd_nocheck
{
4208 my ($vmid, $execute, %params) = @_;
4210 my $cmd = { execute
=> $execute, arguments
=> \
%params };
4211 vm_qmp_command
($vmid, $cmd, 1);
4214 sub vm_qmp_command
{
4215 my ($vmid, $cmd, $nocheck) = @_;
4220 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
4221 $timeout = $cmd->{arguments
}->{timeout
};
4222 delete $cmd->{arguments
}->{timeout
};
4226 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
4227 my $sname = qmp_socket
($vmid);
4228 if (-e
$sname) { # test if VM is reasonambe new and supports qmp/qga
4229 my $qmpclient = PVE
::QMPClient-
>new();
4231 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4232 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
4233 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
4234 if scalar(%{$cmd->{arguments
}});
4235 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
4237 die "unable to open monitor socket\n";
4241 syslog
("err", "VM $vmid qmp command failed - $err");
4248 sub vm_human_monitor_command
{
4249 my ($vmid, $cmdline) = @_;
4254 execute
=> 'human-monitor-command',
4255 arguments
=> { 'command-line' => $cmdline},
4258 return vm_qmp_command
($vmid, $cmd);
4261 sub vm_commandline
{
4262 my ($storecfg, $vmid) = @_;
4264 my $conf = load_config
($vmid);
4266 my $defaults = load_defaults
();
4268 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
4270 return join(' ', @$cmd);
4274 my ($vmid, $skiplock) = @_;
4276 lock_config
($vmid, sub {
4278 my $conf = load_config
($vmid);
4280 check_lock
($conf) if !$skiplock;
4282 vm_mon_cmd
($vmid, "system_reset");
4286 sub get_vm_volumes
{
4290 foreach_volid
($conf, sub {
4291 my ($volid, $is_cdrom) = @_;
4293 return if $volid =~ m
|^/|;
4295 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4298 push @$vollist, $volid;
4304 sub vm_stop_cleanup
{
4305 my ($storecfg, $vmid, $conf, $keepActive, $apply_pending_changes) = @_;
4308 fairsched_rmnod
($vmid); # try to destroy group
4311 my $vollist = get_vm_volumes
($conf);
4312 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
4315 foreach my $ext (qw(mon qmp pid vnc qga)) {
4316 unlink "/var/run/qemu-server/${vmid}.$ext";
4319 vmconfig_apply_pending
($vmid, $conf, $storecfg) if $apply_pending_changes;
4321 warn $@ if $@; # avoid errors - just warn
4324 # Note: use $nockeck to skip tests if VM configuration file exists.
4325 # We need that when migration VMs to other nodes (files already moved)
4326 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4328 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4330 $force = 1 if !defined($force) && !$shutdown;
4333 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
4334 kill 15, $pid if $pid;
4335 my $conf = load_config
($vmid, $migratedfrom);
4336 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 0);
4340 lock_config
($vmid, sub {
4342 my $pid = check_running
($vmid, $nocheck);
4347 $conf = load_config
($vmid);
4348 check_lock
($conf) if !$skiplock;
4349 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
4350 my $opts = parse_startup
($conf->{startup
});
4351 $timeout = $opts->{down
} if $opts->{down
};
4355 $timeout = 60 if !defined($timeout);
4359 if (defined($conf) && $conf->{agent
}) {
4360 vm_qmp_command
($vmid, { execute
=> "guest-shutdown" }, $nocheck);
4362 vm_qmp_command
($vmid, { execute
=> "system_powerdown" }, $nocheck);
4365 vm_qmp_command
($vmid, { execute
=> "quit" }, $nocheck);
4372 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4377 if ($count >= $timeout) {
4379 warn "VM still running - terminating now with SIGTERM\n";
4382 die "VM quit/powerdown failed - got timeout\n";
4385 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4390 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4393 die "VM quit/powerdown failed\n";
4401 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4406 if ($count >= $timeout) {
4407 warn "VM still running - terminating now with SIGKILL\n";
4412 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive, 1) if $conf;
4417 my ($vmid, $skiplock) = @_;
4419 lock_config
($vmid, sub {
4421 my $conf = load_config
($vmid);
4423 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4425 vm_mon_cmd
($vmid, "stop");
4430 my ($vmid, $skiplock) = @_;
4432 lock_config
($vmid, sub {
4434 my $conf = load_config
($vmid);
4436 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4438 vm_mon_cmd
($vmid, "cont");
4443 my ($vmid, $skiplock, $key) = @_;
4445 lock_config
($vmid, sub {
4447 my $conf = load_config
($vmid);
4449 # there is no qmp command, so we use the human monitor command
4450 vm_human_monitor_command
($vmid, "sendkey $key");
4455 my ($storecfg, $vmid, $skiplock) = @_;
4457 lock_config
($vmid, sub {
4459 my $conf = load_config
($vmid);
4461 check_lock
($conf) if !$skiplock;
4463 if (!check_running
($vmid)) {
4464 fairsched_rmnod
($vmid); # try to destroy group
4465 destroy_vm
($storecfg, $vmid);
4467 die "VM $vmid is running - destroy failed\n";
4475 my ($filename, $buf) = @_;
4477 my $fh = IO
::File-
>new($filename, "w");
4478 return undef if !$fh;
4480 my $res = print $fh $buf;
4487 sub pci_device_info
{
4492 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
4493 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
4495 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
4496 return undef if !defined($irq) || $irq !~ m/^\d+$/;
4498 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
4499 return undef if !defined($vendor) || $vendor !~ s/^0x//;
4501 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
4502 return undef if !defined($product) || $product !~ s/^0x//;
4507 product
=> $product,
4513 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
4522 my $name = $dev->{name
};
4524 my $fn = "$pcisysfs/devices/$name/reset";
4526 return file_write
($fn, "1");
4529 sub pci_dev_bind_to_stub
{
4532 my $name = $dev->{name
};
4534 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
4535 return 1 if -d
$testdir;
4537 my $data = "$dev->{vendor} $dev->{product}";
4538 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
4540 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4541 if (!file_write
($fn, $name)) {
4542 return undef if -f
$fn;
4545 $fn = "$pcisysfs/drivers/pci-stub/bind";
4546 if (! -d
$testdir) {
4547 return undef if !file_write
($fn, $name);
4553 sub pci_dev_bind_to_vfio
{
4556 my $name = $dev->{name
};
4558 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4560 if (!-d
$vfio_basedir) {
4561 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4563 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4565 my $testdir = "$vfio_basedir/$name";
4566 return 1 if -d
$testdir;
4568 my $data = "$dev->{vendor} $dev->{product}";
4569 return undef if !file_write
("$vfio_basedir/new_id", $data);
4571 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4572 if (!file_write
($fn, $name)) {
4573 return undef if -f
$fn;
4576 $fn = "$vfio_basedir/bind";
4577 if (! -d
$testdir) {
4578 return undef if !file_write
($fn, $name);
4584 sub pci_dev_group_bind_to_vfio
{
4587 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4589 if (!-d
$vfio_basedir) {
4590 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4592 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4594 # get IOMMU group devices
4595 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
4596 my @devs = grep /^0000:/, readdir($D);
4599 foreach my $pciid (@devs) {
4600 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
4601 my $info = pci_device_info
($1);
4602 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
4608 sub print_pci_addr
{
4609 my ($id, $bridges) = @_;
4613 piix3
=> { bus
=> 0, addr
=> 1 },
4614 #addr2 : first videocard
4615 balloon0
=> { bus
=> 0, addr
=> 3 },
4616 watchdog
=> { bus
=> 0, addr
=> 4 },
4617 scsihw0
=> { bus
=> 0, addr
=> 5 },
4618 scsihw1
=> { bus
=> 0, addr
=> 6 },
4619 ahci0
=> { bus
=> 0, addr
=> 7 },
4620 qga0
=> { bus
=> 0, addr
=> 8 },
4621 spice
=> { bus
=> 0, addr
=> 9 },
4622 virtio0
=> { bus
=> 0, addr
=> 10 },
4623 virtio1
=> { bus
=> 0, addr
=> 11 },
4624 virtio2
=> { bus
=> 0, addr
=> 12 },
4625 virtio3
=> { bus
=> 0, addr
=> 13 },
4626 virtio4
=> { bus
=> 0, addr
=> 14 },
4627 virtio5
=> { bus
=> 0, addr
=> 15 },
4628 hostpci0
=> { bus
=> 0, addr
=> 16 },
4629 hostpci1
=> { bus
=> 0, addr
=> 17 },
4630 net0
=> { bus
=> 0, addr
=> 18 },
4631 net1
=> { bus
=> 0, addr
=> 19 },
4632 net2
=> { bus
=> 0, addr
=> 20 },
4633 net3
=> { bus
=> 0, addr
=> 21 },
4634 net4
=> { bus
=> 0, addr
=> 22 },
4635 net5
=> { bus
=> 0, addr
=> 23 },
4636 vga1
=> { bus
=> 0, addr
=> 24 },
4637 vga2
=> { bus
=> 0, addr
=> 25 },
4638 vga3
=> { bus
=> 0, addr
=> 26 },
4639 hostpci2
=> { bus
=> 0, addr
=> 27 },
4640 hostpci3
=> { bus
=> 0, addr
=> 28 },
4641 #addr29 : usb-host (pve-usb.cfg)
4642 'pci.1' => { bus
=> 0, addr
=> 30 },
4643 'pci.2' => { bus
=> 0, addr
=> 31 },
4644 'net6' => { bus
=> 1, addr
=> 1 },
4645 'net7' => { bus
=> 1, addr
=> 2 },
4646 'net8' => { bus
=> 1, addr
=> 3 },
4647 'net9' => { bus
=> 1, addr
=> 4 },
4648 'net10' => { bus
=> 1, addr
=> 5 },
4649 'net11' => { bus
=> 1, addr
=> 6 },
4650 'net12' => { bus
=> 1, addr
=> 7 },
4651 'net13' => { bus
=> 1, addr
=> 8 },
4652 'net14' => { bus
=> 1, addr
=> 9 },
4653 'net15' => { bus
=> 1, addr
=> 10 },
4654 'net16' => { bus
=> 1, addr
=> 11 },
4655 'net17' => { bus
=> 1, addr
=> 12 },
4656 'net18' => { bus
=> 1, addr
=> 13 },
4657 'net19' => { bus
=> 1, addr
=> 14 },
4658 'net20' => { bus
=> 1, addr
=> 15 },
4659 'net21' => { bus
=> 1, addr
=> 16 },
4660 'net22' => { bus
=> 1, addr
=> 17 },
4661 'net23' => { bus
=> 1, addr
=> 18 },
4662 'net24' => { bus
=> 1, addr
=> 19 },
4663 'net25' => { bus
=> 1, addr
=> 20 },
4664 'net26' => { bus
=> 1, addr
=> 21 },
4665 'net27' => { bus
=> 1, addr
=> 22 },
4666 'net28' => { bus
=> 1, addr
=> 23 },
4667 'net29' => { bus
=> 1, addr
=> 24 },
4668 'net30' => { bus
=> 1, addr
=> 25 },
4669 'net31' => { bus
=> 1, addr
=> 26 },
4670 'virtio6' => { bus
=> 2, addr
=> 1 },
4671 'virtio7' => { bus
=> 2, addr
=> 2 },
4672 'virtio8' => { bus
=> 2, addr
=> 3 },
4673 'virtio9' => { bus
=> 2, addr
=> 4 },
4674 'virtio10' => { bus
=> 2, addr
=> 5 },
4675 'virtio11' => { bus
=> 2, addr
=> 6 },
4676 'virtio12' => { bus
=> 2, addr
=> 7 },
4677 'virtio13' => { bus
=> 2, addr
=> 8 },
4678 'virtio14' => { bus
=> 2, addr
=> 9 },
4679 'virtio15' => { bus
=> 2, addr
=> 10 },
4682 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4683 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4684 my $bus = $devices->{$id}->{bus
};
4685 $res = ",bus=pci.$bus,addr=$addr";
4686 $bridges->{$bus} = 1 if $bridges;
4692 sub print_pcie_addr
{
4697 hostpci0
=> { bus
=> "ich9-pcie-port-1", addr
=> 0 },
4698 hostpci1
=> { bus
=> "ich9-pcie-port-2", addr
=> 0 },
4699 hostpci2
=> { bus
=> "ich9-pcie-port-3", addr
=> 0 },
4700 hostpci3
=> { bus
=> "ich9-pcie-port-4", addr
=> 0 },
4703 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4704 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4705 my $bus = $devices->{$id}->{bus
};
4706 $res = ",bus=$bus,addr=$addr";
4712 # vzdump restore implementaion
4714 sub tar_archive_read_firstfile
{
4715 my $archive = shift;
4717 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
4719 # try to detect archive type first
4720 my $pid = open (TMP
, "tar tf '$archive'|") ||
4721 die "unable to open file '$archive'\n";
4722 my $firstfile = <TMP
>;
4726 die "ERROR: archive contaions no data\n" if !$firstfile;
4732 sub tar_restore_cleanup
{
4733 my ($storecfg, $statfile) = @_;
4735 print STDERR
"starting cleanup\n";
4737 if (my $fd = IO
::File-
>new($statfile, "r")) {
4738 while (defined(my $line = <$fd>)) {
4739 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4742 if ($volid =~ m
|^/|) {
4743 unlink $volid || die 'unlink failed\n';
4745 PVE
::Storage
::vdisk_free
($storecfg, $volid);
4747 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4749 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4751 print STDERR
"unable to parse line in statfile - $line";
4758 sub restore_archive
{
4759 my ($archive, $vmid, $user, $opts) = @_;
4761 my $format = $opts->{format
};
4764 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
4765 $format = 'tar' if !$format;
4767 } elsif ($archive =~ m/\.tar$/) {
4768 $format = 'tar' if !$format;
4769 } elsif ($archive =~ m/.tar.lzo$/) {
4770 $format = 'tar' if !$format;
4772 } elsif ($archive =~ m/\.vma$/) {
4773 $format = 'vma' if !$format;
4774 } elsif ($archive =~ m/\.vma\.gz$/) {
4775 $format = 'vma' if !$format;
4777 } elsif ($archive =~ m/\.vma\.lzo$/) {
4778 $format = 'vma' if !$format;
4781 $format = 'vma' if !$format; # default
4784 # try to detect archive format
4785 if ($format eq 'tar') {
4786 return restore_tar_archive
($archive, $vmid, $user, $opts);
4788 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
4792 sub restore_update_config_line
{
4793 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
4795 return if $line =~ m/^\#qmdump\#/;
4796 return if $line =~ m/^\#vzdump\#/;
4797 return if $line =~ m/^lock:/;
4798 return if $line =~ m/^unused\d+:/;
4799 return if $line =~ m/^parent:/;
4800 return if $line =~ m/^template:/; # restored VM is never a template
4802 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
4803 # try to convert old 1.X settings
4804 my ($id, $ind, $ethcfg) = ($1, $2, $3);
4805 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
4806 my ($model, $macaddr) = split(/\=/, $devconfig);
4807 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
4810 bridge
=> "vmbr$ind",
4811 macaddr
=> $macaddr,
4813 my $netstr = print_net
($net);
4815 print $outfd "net$cookie->{netcount}: $netstr\n";
4816 $cookie->{netcount
}++;
4818 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
4819 my ($id, $netstr) = ($1, $2);
4820 my $net = parse_net
($netstr);
4821 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
4822 $netstr = print_net
($net);
4823 print $outfd "$id: $netstr\n";
4824 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
4827 if ($line =~ m/backup=no/) {
4828 print $outfd "#$line";
4829 } elsif ($virtdev && $map->{$virtdev}) {
4830 my $di = parse_drive
($virtdev, $value);
4831 delete $di->{format
}; # format can change on restore
4832 $di->{file
} = $map->{$virtdev};
4833 $value = print_drive
($vmid, $di);
4834 print $outfd "$virtdev: $value\n";
4844 my ($cfg, $vmid) = @_;
4846 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
4848 my $volid_hash = {};
4849 foreach my $storeid (keys %$info) {
4850 foreach my $item (@{$info->{$storeid}}) {
4851 next if !($item->{volid
} && $item->{size
});
4852 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
4853 $volid_hash->{$item->{volid
}} = $item;
4860 sub get_used_paths
{
4861 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
4865 my $scan_config = sub {
4866 my ($cref, $snapname) = @_;
4868 foreach my $key (keys %$cref) {
4869 my $value = $cref->{$key};
4870 if (valid_drivename
($key)) {
4871 next if $skip_drive && $key eq $skip_drive;
4872 my $drive = parse_drive
($key, $value);
4873 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
4874 if ($drive->{file
} =~ m!^/!) {
4875 $used_path->{$drive->{file
}}++; # = 1;
4877 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
4879 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
4881 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
4882 $used_path->{$path}++; # = 1;
4888 &$scan_config($conf);
4892 if ($scan_snapshots) {
4893 foreach my $snapname (keys %{$conf->{snapshots
}}) {
4894 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
4901 sub update_disksize
{
4902 my ($vmid, $conf, $volid_hash) = @_;
4908 # Note: it is allowed to define multiple storages with same path (alias), so
4909 # we need to check both 'volid' and real 'path' (two different volid can point
4910 # to the same path).
4915 foreach my $opt (keys %$conf) {
4916 if (valid_drivename
($opt)) {
4917 my $drive = parse_drive
($opt, $conf->{$opt});
4918 my $volid = $drive->{file
};
4921 $used->{$volid} = 1;
4922 if ($volid_hash->{$volid} &&
4923 (my $path = $volid_hash->{$volid}->{path
})) {
4924 $usedpath->{$path} = 1;
4927 next if drive_is_cdrom
($drive);
4928 next if !$volid_hash->{$volid};
4930 $drive->{size
} = $volid_hash->{$volid}->{size
};
4931 my $new = print_drive
($vmid, $drive);
4932 if ($new ne $conf->{$opt}) {
4934 $conf->{$opt} = $new;
4939 # remove 'unusedX' entry if volume is used
4940 foreach my $opt (keys %$conf) {
4941 next if $opt !~ m/^unused\d+$/;
4942 my $volid = $conf->{$opt};
4943 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
4944 if ($used->{$volid} || ($path && $usedpath->{$path})) {
4946 delete $conf->{$opt};
4950 foreach my $volid (sort keys %$volid_hash) {
4951 next if $volid =~ m/vm-$vmid-state-/;
4952 next if $used->{$volid};
4953 my $path = $volid_hash->{$volid}->{path
};
4954 next if !$path; # just to be sure
4955 next if $usedpath->{$path};
4957 add_unused_volume
($conf, $volid);
4958 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
4965 my ($vmid, $nolock) = @_;
4967 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
4969 my $volid_hash = scan_volids
($cfg, $vmid);
4971 my $updatefn = sub {
4974 my $conf = load_config
($vmid);
4979 foreach my $volid (keys %$volid_hash) {
4980 my $info = $volid_hash->{$volid};
4981 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
4984 my $changes = update_disksize
($vmid, $conf, $vm_volids);
4986 update_config_nolock
($vmid, $conf, 1) if $changes;
4989 if (defined($vmid)) {
4993 lock_config
($vmid, $updatefn, $vmid);
4996 my $vmlist = config_list
();
4997 foreach my $vmid (keys %$vmlist) {
5001 lock_config
($vmid, $updatefn, $vmid);
5007 sub restore_vma_archive
{
5008 my ($archive, $vmid, $user, $opts, $comp) = @_;
5010 my $input = $archive eq '-' ?
"<&STDIN" : undef;
5011 my $readfrom = $archive;
5016 my $qarchive = PVE
::Tools
::shellquote
($archive);
5017 if ($comp eq 'gzip') {
5018 $uncomp = "zcat $qarchive|";
5019 } elsif ($comp eq 'lzop') {
5020 $uncomp = "lzop -d -c $qarchive|";
5022 die "unknown compression method '$comp'\n";
5027 my $tmpdir = "/var/tmp/vzdumptmp$$";
5030 # disable interrupts (always do cleanups)
5031 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
5032 warn "got interrupt - ignored\n";
5035 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
5036 POSIX
::mkfifo
($mapfifo, 0600);
5039 my $openfifo = sub {
5040 open($fifofh, '>', $mapfifo) || die $!;
5043 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
5050 my $rpcenv = PVE
::RPCEnvironment
::get
();
5052 my $conffile = config_file
($vmid);
5053 my $tmpfn = "$conffile.$$.tmp";
5055 # Note: $oldconf is undef if VM does not exists
5056 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
5058 my $print_devmap = sub {
5059 my $virtdev_hash = {};
5061 my $cfgfn = "$tmpdir/qemu-server.conf";
5063 # we can read the config - that is already extracted
5064 my $fh = IO
::File-
>new($cfgfn, "r") ||
5065 "unable to read qemu-server.conf - $!\n";
5067 while (defined(my $line = <$fh>)) {
5068 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
5069 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
5070 die "archive does not contain data for drive '$virtdev'\n"
5071 if !$devinfo->{$devname};
5072 if (defined($opts->{storage
})) {
5073 $storeid = $opts->{storage
} || 'local';
5074 } elsif (!$storeid) {
5077 $format = 'raw' if !$format;
5078 $devinfo->{$devname}->{devname
} = $devname;
5079 $devinfo->{$devname}->{virtdev
} = $virtdev;
5080 $devinfo->{$devname}->{format
} = $format;
5081 $devinfo->{$devname}->{storeid
} = $storeid;
5083 # check permission on storage
5084 my $pool = $opts->{pool
}; # todo: do we need that?
5085 if ($user ne 'root@pam') {
5086 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
5089 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
5093 foreach my $devname (keys %$devinfo) {
5094 die "found no device mapping information for device '$devname'\n"
5095 if !$devinfo->{$devname}->{virtdev
};
5098 my $cfg = cfs_read_file
('storage.cfg');
5100 # create empty/temp config
5102 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
5103 foreach_drive
($oldconf, sub {
5104 my ($ds, $drive) = @_;
5106 return if drive_is_cdrom
($drive);
5108 my $volid = $drive->{file
};
5110 return if !$volid || $volid =~ m
|^/|;
5112 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
5113 return if !$path || !$owner || ($owner != $vmid);
5115 # Note: only delete disk we want to restore
5116 # other volumes will become unused
5117 if ($virtdev_hash->{$ds}) {
5118 PVE
::Storage
::vdisk_free
($cfg, $volid);
5124 foreach my $virtdev (sort keys %$virtdev_hash) {
5125 my $d = $virtdev_hash->{$virtdev};
5126 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
5127 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
5129 # test if requested format is supported
5130 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
5131 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
5132 $d->{format
} = $defFormat if !$supported;
5134 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
5135 $d->{format
}, undef, $alloc_size);
5136 print STDERR
"new volume ID is '$volid'\n";
5137 $d->{volid
} = $volid;
5138 my $path = PVE
::Storage
::path
($cfg, $volid);
5140 my $write_zeros = 1;
5141 # fixme: what other storages types initialize volumes with zero?
5142 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
5143 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
5147 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
5149 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5150 $map->{$virtdev} = $volid;
5153 $fh->seek(0, 0) || die "seek failed - $!\n";
5155 my $outfd = new IO
::File
($tmpfn, "w") ||
5156 die "unable to write config for VM $vmid\n";
5158 my $cookie = { netcount
=> 0 };
5159 while (defined(my $line = <$fh>)) {
5160 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5169 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5170 die "interrupted by signal\n";
5172 local $SIG{ALRM
} = sub { die "got timeout\n"; };
5174 $oldtimeout = alarm($timeout);
5181 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5182 my ($dev_id, $size, $devname) = ($1, $2, $3);
5183 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
5184 } elsif ($line =~ m/^CTIME: /) {
5185 # we correctly received the vma config, so we can disable
5186 # the timeout now for disk allocation (set to 10 minutes, so
5187 # that we always timeout if something goes wrong)
5190 print $fifofh "done\n";
5191 my $tmp = $oldtimeout || 0;
5192 $oldtimeout = undef;
5198 print "restore vma archive: $cmd\n";
5199 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
5203 alarm($oldtimeout) if $oldtimeout;
5211 my $cfg = cfs_read_file
('storage.cfg');
5212 foreach my $devname (keys %$devinfo) {
5213 my $volid = $devinfo->{$devname}->{volid
};
5216 if ($volid =~ m
|^/|) {
5217 unlink $volid || die 'unlink failed\n';
5219 PVE
::Storage
::vdisk_free
($cfg, $volid);
5221 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5223 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5230 rename($tmpfn, $conffile) ||
5231 die "unable to commit configuration file '$conffile'\n";
5233 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5235 eval { rescan
($vmid, 1); };
5239 sub restore_tar_archive
{
5240 my ($archive, $vmid, $user, $opts) = @_;
5242 if ($archive ne '-') {
5243 my $firstfile = tar_archive_read_firstfile
($archive);
5244 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5245 if $firstfile ne 'qemu-server.conf';
5248 my $storecfg = cfs_read_file
('storage.cfg');
5250 # destroy existing data - keep empty config
5251 my $vmcfgfn = config_file
($vmid);
5252 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
5254 my $tocmd = "/usr/lib/qemu-server/qmextract";
5256 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
5257 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
5258 $tocmd .= ' --prealloc' if $opts->{prealloc
};
5259 $tocmd .= ' --info' if $opts->{info
};
5261 # tar option "xf" does not autodetect compression when read from STDIN,
5262 # so we pipe to zcat
5263 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
5264 PVE
::Tools
::shellquote
("--to-command=$tocmd");
5266 my $tmpdir = "/var/tmp/vzdumptmp$$";
5269 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
5270 local $ENV{VZDUMP_VMID
} = $vmid;
5271 local $ENV{VZDUMP_USER
} = $user;
5273 my $conffile = config_file
($vmid);
5274 my $tmpfn = "$conffile.$$.tmp";
5276 # disable interrupts (always do cleanups)
5277 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
5278 print STDERR
"got interrupt - ignored\n";
5283 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5284 die "interrupted by signal\n";
5287 if ($archive eq '-') {
5288 print "extracting archive from STDIN\n";
5289 run_command
($cmd, input
=> "<&STDIN");
5291 print "extracting archive '$archive'\n";
5295 return if $opts->{info
};
5299 my $statfile = "$tmpdir/qmrestore.stat";
5300 if (my $fd = IO
::File-
>new($statfile, "r")) {
5301 while (defined (my $line = <$fd>)) {
5302 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5303 $map->{$1} = $2 if $1;
5305 print STDERR
"unable to parse line in statfile - $line\n";
5311 my $confsrc = "$tmpdir/qemu-server.conf";
5313 my $srcfd = new IO
::File
($confsrc, "r") ||
5314 die "unable to open file '$confsrc'\n";
5316 my $outfd = new IO
::File
($tmpfn, "w") ||
5317 die "unable to write config for VM $vmid\n";
5319 my $cookie = { netcount
=> 0 };
5320 while (defined (my $line = <$srcfd>)) {
5321 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5333 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
5340 rename $tmpfn, $conffile ||
5341 die "unable to commit configuration file '$conffile'\n";
5343 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5345 eval { rescan
($vmid, 1); };
5350 # Internal snapshots
5352 # NOTE: Snapshot create/delete involves several non-atomic
5353 # action, and can take a long time.
5354 # So we try to avoid locking the file and use 'lock' variable
5355 # inside the config file instead.
5357 my $snapshot_copy_config = sub {
5358 my ($source, $dest) = @_;
5360 foreach my $k (keys %$source) {
5361 next if $k eq 'snapshots';
5362 next if $k eq 'snapstate';
5363 next if $k eq 'snaptime';
5364 next if $k eq 'vmstate';
5365 next if $k eq 'lock';
5366 next if $k eq 'digest';
5367 next if $k eq 'description';
5368 next if $k =~ m/^unused\d+$/;
5370 $dest->{$k} = $source->{$k};
5374 my $snapshot_apply_config = sub {
5375 my ($conf, $snap) = @_;
5377 # copy snapshot list
5379 snapshots
=> $conf->{snapshots
},
5382 # keep description and list of unused disks
5383 foreach my $k (keys %$conf) {
5384 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
5385 $newconf->{$k} = $conf->{$k};
5388 &$snapshot_copy_config($snap, $newconf);
5393 sub foreach_writable_storage
{
5394 my ($conf, $func) = @_;
5398 foreach my $ds (keys %$conf) {
5399 next if !valid_drivename
($ds);
5401 my $drive = parse_drive
($ds, $conf->{$ds});
5403 next if drive_is_cdrom
($drive);
5405 my $volid = $drive->{file
};
5407 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
5408 $sidhash->{$sid} = $sid if $sid;
5411 foreach my $sid (sort keys %$sidhash) {
5416 my $alloc_vmstate_volid = sub {
5417 my ($storecfg, $vmid, $conf, $snapname) = @_;
5419 # Note: we try to be smart when selecting a $target storage
5423 # search shared storage first
5424 foreach_writable_storage
($conf, sub {
5426 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5427 return if !$scfg->{shared
};
5429 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
5433 # now search local storage
5434 foreach_writable_storage
($conf, sub {
5436 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5437 return if $scfg->{shared
};
5439 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
5443 $target = 'local' if !$target;
5445 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
5446 # we abort live save after $conf->{memory}, so we need at max twice that space
5447 my $size = $conf->{memory
}*2 + $driver_state_size;
5449 my $name = "vm-$vmid-state-$snapname";
5450 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
5451 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
5452 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
5457 my $snapshot_prepare = sub {
5458 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5462 my $updatefn = sub {
5464 my $conf = load_config
($vmid);
5466 die "you can't take a snapshot if it's a template\n"
5467 if is_template
($conf);
5471 $conf->{lock} = 'snapshot';
5473 die "snapshot name '$snapname' already used\n"
5474 if defined($conf->{snapshots
}->{$snapname});
5476 my $storecfg = PVE
::Storage
::config
();
5477 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
5479 $snap = $conf->{snapshots
}->{$snapname} = {};
5481 if ($save_vmstate && check_running
($vmid)) {
5482 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
5485 &$snapshot_copy_config($conf, $snap);
5487 $snap->{snapstate
} = "prepare";
5488 $snap->{snaptime
} = time();
5489 $snap->{description
} = $comment if $comment;
5491 # always overwrite machine if we save vmstate. This makes sure we
5492 # can restore it later using correct machine type
5493 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
5495 update_config_nolock
($vmid, $conf, 1);
5498 lock_config
($vmid, $updatefn);
5503 my $snapshot_commit = sub {
5504 my ($vmid, $snapname) = @_;
5506 my $updatefn = sub {
5508 my $conf = load_config
($vmid);
5510 die "missing snapshot lock\n"
5511 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
5513 my $has_machine_config = defined($conf->{machine
});
5515 my $snap = $conf->{snapshots
}->{$snapname};
5517 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5519 die "wrong snapshot state\n"
5520 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
5522 delete $snap->{snapstate
};
5523 delete $conf->{lock};
5525 my $newconf = &$snapshot_apply_config($conf, $snap);
5527 delete $newconf->{machine
} if !$has_machine_config;
5529 $newconf->{parent
} = $snapname;
5531 update_config_nolock
($vmid, $newconf, 1);
5534 lock_config
($vmid, $updatefn);
5537 sub snapshot_rollback
{
5538 my ($vmid, $snapname) = @_;
5544 my $storecfg = PVE
::Storage
::config
();
5546 my $updatefn = sub {
5548 my $conf = load_config
($vmid);
5550 die "you can't rollback if vm is a template\n" if is_template
($conf);
5552 $snap = $conf->{snapshots
}->{$snapname};
5554 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5556 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
5557 if $snap->{snapstate
};
5561 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
5564 die "unable to rollback vm $vmid: vm is running\n"
5565 if check_running
($vmid);
5568 $conf->{lock} = 'rollback';
5570 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
5571 delete $conf->{lock};
5577 my $has_machine_config = defined($conf->{machine
});
5579 # copy snapshot config to current config
5580 $conf = &$snapshot_apply_config($conf, $snap);
5581 $conf->{parent
} = $snapname;
5583 # Note: old code did not store 'machine', so we try to be smart
5584 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
5585 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
5586 # we remove the 'machine' configuration if not explicitly specified
5587 # in the original config.
5588 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
5591 update_config_nolock
($vmid, $conf, 1);
5593 if (!$prepare && $snap->{vmstate
}) {
5594 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5595 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
5599 lock_config
($vmid, $updatefn);
5601 foreach_drive
($snap, sub {
5602 my ($ds, $drive) = @_;
5604 return if drive_is_cdrom
($drive);
5606 my $volid = $drive->{file
};
5607 my $device = "drive-$ds";
5609 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
5613 lock_config
($vmid, $updatefn);
5616 my $savevm_wait = sub {
5620 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5621 if (!$stat->{status
}) {
5622 die "savevm not active\n";
5623 } elsif ($stat->{status
} eq 'active') {
5626 } elsif ($stat->{status
} eq 'completed') {
5629 die "query-savevm returned status '$stat->{status}'\n";
5634 sub snapshot_create
{
5635 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5637 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
5639 $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
5641 my $config = load_config
($vmid);
5643 my $running = check_running
($vmid);
5645 my $freezefs = $running && $config->{agent
};
5646 $freezefs = 0 if $snap->{vmstate
}; # not needed if we save RAM
5651 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
5652 warn "guest-fsfreeze-freeze problems - $@" if $@;
5656 # create internal snapshots of all drives
5658 my $storecfg = PVE
::Storage
::config
();
5661 if ($snap->{vmstate
}) {
5662 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5663 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
5664 &$savevm_wait($vmid);
5666 vm_mon_cmd
($vmid, "savevm-start");
5670 foreach_drive
($snap, sub {
5671 my ($ds, $drive) = @_;
5673 return if drive_is_cdrom
($drive);
5675 my $volid = $drive->{file
};
5676 my $device = "drive-$ds";
5678 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
5679 $drivehash->{$ds} = 1;
5685 eval { vm_mon_cmd
($vmid, "savevm-end") };
5689 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
5690 warn "guest-fsfreeze-thaw problems - $@" if $@;
5693 # savevm-end is async, we need to wait
5695 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5696 if (!$stat->{bytes
}) {
5699 print "savevm not yet finished\n";
5707 warn "snapshot create failed: starting cleanup\n";
5708 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
5713 &$snapshot_commit($vmid, $snapname);
5716 # Note: $drivehash is only set when called from snapshot_create.
5717 sub snapshot_delete
{
5718 my ($vmid, $snapname, $force, $drivehash) = @_;
5725 my $unlink_parent = sub {
5726 my ($confref, $new_parent) = @_;
5728 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
5730 $confref->{parent
} = $new_parent;
5732 delete $confref->{parent
};
5737 my $updatefn = sub {
5738 my ($remove_drive) = @_;
5740 my $conf = load_config
($vmid);
5744 die "you can't delete a snapshot if vm is a template\n"
5745 if is_template
($conf);
5748 $snap = $conf->{snapshots
}->{$snapname};
5750 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5752 # remove parent refs
5754 &$unlink_parent($conf, $snap->{parent
});
5755 foreach my $sn (keys %{$conf->{snapshots
}}) {
5756 next if $sn eq $snapname;
5757 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
5761 if ($remove_drive) {
5762 if ($remove_drive eq 'vmstate') {
5763 delete $snap->{$remove_drive};
5765 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
5766 my $volid = $drive->{file
};
5767 delete $snap->{$remove_drive};
5768 add_unused_volume
($conf, $volid);
5773 $snap->{snapstate
} = 'delete';
5775 delete $conf->{snapshots
}->{$snapname};
5776 delete $conf->{lock} if $drivehash;
5777 foreach my $volid (@$unused) {
5778 add_unused_volume
($conf, $volid);
5782 update_config_nolock
($vmid, $conf, 1);
5785 lock_config
($vmid, $updatefn);
5787 # now remove vmstate file
5789 my $storecfg = PVE
::Storage
::config
();
5791 if ($snap->{vmstate
}) {
5792 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
5794 die $err if !$force;
5797 # save changes (remove vmstate from snapshot)
5798 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
5801 # now remove all internal snapshots
5802 foreach_drive
($snap, sub {
5803 my ($ds, $drive) = @_;
5805 return if drive_is_cdrom
($drive);
5807 my $volid = $drive->{file
};
5808 my $device = "drive-$ds";
5810 if (!$drivehash || $drivehash->{$ds}) {
5811 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
5813 die $err if !$force;
5818 # save changes (remove drive fron snapshot)
5819 lock_config
($vmid, $updatefn, $ds) if !$force;
5820 push @$unused, $volid;
5823 # now cleanup config
5825 lock_config
($vmid, $updatefn);
5829 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
5832 foreach_drive
($conf, sub {
5833 my ($ds, $drive) = @_;
5835 return if drive_is_cdrom
($drive);
5836 my $volid = $drive->{file
};
5837 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
5840 return $err ?
0 : 1;
5843 sub template_create
{
5844 my ($vmid, $conf, $disk) = @_;
5846 my $storecfg = PVE
::Storage
::config
();
5848 foreach_drive
($conf, sub {
5849 my ($ds, $drive) = @_;
5851 return if drive_is_cdrom
($drive);
5852 return if $disk && $ds ne $disk;
5854 my $volid = $drive->{file
};
5855 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5857 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5858 $drive->{file
} = $voliddst;
5859 $conf->{$ds} = print_drive
($vmid, $drive);
5860 update_config_nolock
($vmid, $conf, 1);
5867 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
5870 sub qemu_img_convert
{
5871 my ($src_volid, $dst_volid, $size, $snapname) = @_;
5873 my $storecfg = PVE
::Storage
::config
();
5874 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5875 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5877 if ($src_storeid && $dst_storeid) {
5878 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5879 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5881 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5882 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5884 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5885 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5888 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
5889 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5890 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
5894 if($line =~ m/\((\S+)\/100\
%\)/){
5896 my $transferred = int($size * $percent / 100);
5897 my $remaining = $size - $transferred;
5899 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5904 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5906 die "copy failed: $err" if $err;
5910 sub qemu_img_format
{
5911 my ($scfg, $volname) = @_;
5913 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
5915 } elsif ($scfg->{type
} eq 'iscsi') {
5916 return "host_device";
5922 sub qemu_drive_mirror
{
5923 my ($vmid, $drive, $dst_volid, $vmiddst) = @_;
5930 my $storecfg = PVE
::Storage
::config
();
5931 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
5933 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5936 if ($dst_volname =~ m/\.(raw|qcow2)$/){
5940 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5942 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $dst_path };
5943 $opts->{format
} = $format if $format;
5945 #fixme : sometime drive-mirror timeout, but works fine after.
5946 # (I have see the problem with big volume > 200GB), so we need to eval
5947 eval { vm_mon_cmd
($vmid, "drive-mirror", %$opts); };
5948 # ignore errors here
5952 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5953 my $stat = @$stats[0];
5954 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
5955 die "error job is not mirroring" if $stat->{type
} ne "mirror";
5957 my $busy = $stat->{busy
};
5959 if (my $total = $stat->{len
}) {
5960 my $transferred = $stat->{offset
} || 0;
5961 my $remaining = $total - $transferred;
5962 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
5964 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy\n";
5967 if ($stat->{len
} == $stat->{offset
}) {
5968 if ($busy eq 'false') {
5970 last if $vmiddst != $vmid;
5972 # try to switch the disk if source and destination are on the same guest
5973 eval { vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive") };
5975 die $@ if $@ !~ m/cannot be completed/;
5978 if ($count > $maxwait) {
5979 # if too much writes to disk occurs at the end of migration
5980 #the disk needs to be freezed to be able to complete the migration
5981 vm_suspend
($vmid,1);
5986 $old_len = $stat->{offset
};
5990 vm_resume
($vmid, 1) if $frozen;
5995 my $cancel_job = sub {
5996 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
5998 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5999 my $stat = @$stats[0];
6006 eval { &$cancel_job(); };
6007 die "mirroring error: $err";
6010 if ($vmiddst != $vmid) {
6011 # if we clone a disk for a new target vm, we don't switch the disk
6012 &$cancel_job(); # so we call block-job-cancel
6017 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
6018 $newvmid, $storage, $format, $full, $newvollist) = @_;
6023 print "create linked clone of drive $drivename ($drive->{file})\n";
6024 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
6025 push @$newvollist, $newvolid;
6027 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
6028 $storeid = $storage if $storage;
6030 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
6032 $format = $drive->{format
} || $defFormat;
6035 # test if requested format is supported - else use default
6036 my $supported = grep { $_ eq $format } @$validFormats;
6037 $format = $defFormat if !$supported;
6039 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
6041 print "create full clone of drive $drivename ($drive->{file})\n";
6042 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
6043 push @$newvollist, $newvolid;
6045 if (!$running || $snapname) {
6046 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
6048 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
6052 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
6055 $disk->{format
} = undef;
6056 $disk->{file
} = $newvolid;
6057 $disk->{size
} = $size;
6062 # this only works if VM is running
6063 sub get_current_qemu_machine
{
6066 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
6067 my $res = vm_qmp_command
($vmid, $cmd);
6069 my ($current, $default);
6070 foreach my $e (@$res) {
6071 $default = $e->{name
} if $e->{'is-default'};
6072 $current = $e->{name
} if $e->{'is-current'};
6075 # fallback to the default machine if current is not supported by qemu
6076 return $current || $default || 'pc';
6083 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
6084 my (undef, $id, $function) = @_;
6085 my $res = { id
=> $id, function
=> $function};
6086 push @{$devices->{$id}}, $res;