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).",
176 description
=> "Allow hotplug for disk and network device",
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
=> "Maximum cpus for hotplug.",
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;
496 type
=> 'string', format
=> 'pve-qm-numanode',
497 typetext
=> "cpus=<id[-id],memory=<mb>[[,hostnodes=<id[-id]>] [,policy=<preferred|bind|interleave>]]",
498 description
=> "numa topology",
500 PVE
::JSONSchema
::register_standard_option
("pve-qm-numanode", $numadesc);
502 for (my $i = 0; $i < $MAX_NUMA; $i++) {
503 $confdesc->{"numa$i"} = $numadesc;
506 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
507 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3',
508 'e1000-82540em', 'e1000-82544gc', 'e1000-82545em'];
509 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
513 type
=> 'string', format
=> 'pve-qm-net',
514 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,queues=<nbqueues>][,rate=<mbps>] [,tag=<vlanid>][,firewall=0|1],link_down=0|1]",
515 description
=> <<EODESCR,
516 Specify network devices.
518 MODEL is one of: $nic_model_list_txt
520 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
521 automatically generated if not specified.
523 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
525 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'.
527 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
533 The DHCP server assign addresses to the guest starting from 10.0.2.15.
537 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
539 for (my $i = 0; $i < $MAX_NETS; $i++) {
540 $confdesc->{"net$i"} = $netdesc;
547 type
=> 'string', format
=> 'pve-qm-drive',
548 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
549 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
551 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
555 type
=> 'string', format
=> 'pve-qm-drive',
556 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
557 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
559 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
563 type
=> 'string', format
=> 'pve-qm-drive',
564 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
565 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
567 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
571 type
=> 'string', format
=> 'pve-qm-drive',
572 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
573 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
575 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
579 type
=> 'string', format
=> 'pve-qm-usb-device',
580 typetext
=> 'host=HOSTUSBDEVICE|spice',
581 description
=> <<EODESCR,
582 Configure an USB device (n is 0 to 4). This can be used to
583 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
585 'bus-port(.port)*' (decimal numbers) or
586 'vendor_id:product_id' (hexadeciaml numbers)
588 You can use the 'lsusb -t' command to list existing usb devices.
590 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
592 The value 'spice' can be used to add a usb redirection devices for spice.
596 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
600 type
=> 'string', format
=> 'pve-qm-hostpci',
601 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off] [,pcie=0|1] [,x-vga=on|off]",
602 description
=> <<EODESCR,
603 Map host pci devices. HOSTPCIDEVICE syntax is:
605 'bus:dev.func' (hexadecimal numbers)
607 You can us the 'lspci' command to list existing pci devices.
609 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
611 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
613 Experimental: user reported problems with this option.
616 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
621 pattern
=> '(/dev/.+|socket)',
622 description
=> <<EODESCR,
623 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).
625 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
627 Experimental: user reported problems with this option.
634 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
635 description
=> <<EODESCR,
636 Map host parallel devices (n is 0 to 2).
638 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
640 Experimental: user reported problems with this option.
644 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
645 $confdesc->{"parallel$i"} = $paralleldesc;
648 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
649 $confdesc->{"serial$i"} = $serialdesc;
652 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
653 $confdesc->{"hostpci$i"} = $hostpcidesc;
656 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
657 $drivename_hash->{"ide$i"} = 1;
658 $confdesc->{"ide$i"} = $idedesc;
661 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
662 $drivename_hash->{"sata$i"} = 1;
663 $confdesc->{"sata$i"} = $satadesc;
666 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
667 $drivename_hash->{"scsi$i"} = 1;
668 $confdesc->{"scsi$i"} = $scsidesc ;
671 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
672 $drivename_hash->{"virtio$i"} = 1;
673 $confdesc->{"virtio$i"} = $virtiodesc;
676 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
677 $confdesc->{"usb$i"} = $usbdesc;
682 type
=> 'string', format
=> 'pve-volume-id',
683 description
=> "Reference to unused volumes.",
686 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
687 $confdesc->{"unused$i"} = $unuseddesc;
690 my $kvm_api_version = 0;
694 return $kvm_api_version if $kvm_api_version;
696 my $fh = IO
::File-
>new("</dev/kvm") ||
699 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
700 $kvm_api_version = $v;
705 return $kvm_api_version;
708 my $kvm_user_version;
710 sub kvm_user_version
{
712 return $kvm_user_version if $kvm_user_version;
714 $kvm_user_version = 'unknown';
716 my $tmp = `kvm -help 2>/dev/null`;
718 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
719 $kvm_user_version = $2;
722 return $kvm_user_version;
726 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
729 # order is important - used to autoselect boot disk
730 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
731 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
732 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
733 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
736 sub valid_drivename
{
739 return defined($drivename_hash->{$dev});
744 return defined($confdesc->{$key});
748 return $nic_model_list;
751 sub os_list_description
{
756 w2k
=> 'Windows 2000',
757 w2k3
=>, 'Windows 2003',
758 w2k8
=> 'Windows 2008',
759 wvista
=> 'Windows Vista',
761 win8
=> 'Windows 8/2012',
771 return $cdrom_path if $cdrom_path;
773 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
774 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
775 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
779 my ($storecfg, $vmid, $cdrom) = @_;
781 if ($cdrom eq 'cdrom') {
782 return get_cdrom_path
();
783 } elsif ($cdrom eq 'none') {
785 } elsif ($cdrom =~ m
|^/|) {
788 return PVE
::Storage
::path
($storecfg, $cdrom);
792 # try to convert old style file names to volume IDs
793 sub filename_to_volume_id
{
794 my ($vmid, $file, $media) = @_;
796 if (!($file eq 'none' || $file eq 'cdrom' ||
797 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
799 return undef if $file =~ m
|/|;
801 if ($media && $media eq 'cdrom') {
802 $file = "local:iso/$file";
804 $file = "local:$vmid/$file";
811 sub verify_media_type
{
812 my ($opt, $vtype, $media) = @_;
817 if ($media eq 'disk') {
819 } elsif ($media eq 'cdrom') {
822 die "internal error";
825 return if ($vtype eq $etype);
827 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
830 sub cleanup_drive_path
{
831 my ($opt, $storecfg, $drive) = @_;
833 # try to convert filesystem paths to volume IDs
835 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
836 ($drive->{file
} !~ m
|^/dev/.+|) &&
837 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
838 ($drive->{file
} !~ m/^\d+$/)) {
839 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
840 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
841 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
842 verify_media_type
($opt, $vtype, $drive->{media
});
843 $drive->{file
} = $volid;
846 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
849 sub create_conf_nolock
{
850 my ($vmid, $settings) = @_;
852 my $filename = config_file
($vmid);
854 die "configuration file '$filename' already exists\n" if -f
$filename;
856 my $defaults = load_defaults
();
858 $settings->{name
} = "vm$vmid" if !$settings->{name
};
859 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
862 foreach my $opt (keys %$settings) {
863 next if !$confdesc->{$opt};
865 my $value = $settings->{$opt};
868 $data .= "$opt: $value\n";
871 PVE
::Tools
::file_set_contents
($filename, $data);
874 my $parse_size = sub {
877 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
878 my ($size, $unit) = ($1, $3);
881 $size = $size * 1024;
882 } elsif ($unit eq 'M') {
883 $size = $size * 1024 * 1024;
884 } elsif ($unit eq 'G') {
885 $size = $size * 1024 * 1024 * 1024;
891 my $format_size = sub {
896 my $kb = int($size/1024);
897 return $size if $kb*1024 != $size;
899 my $mb = int($kb/1024);
900 return "${kb}K" if $mb*1024 != $kb;
902 my $gb = int($mb/1024);
903 return "${mb}M" if $gb*1024 != $mb;
908 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
909 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
910 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
911 # [,aio=native|threads][,discard=ignore|on]
914 my ($key, $data) = @_;
918 # $key may be undefined - used to verify JSON parameters
919 if (!defined($key)) {
920 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
922 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
923 $res->{interface
} = $1;
929 foreach my $p (split (/,/, $data)) {
930 next if $p =~ m/^\s*$/;
932 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
933 my ($k, $v) = ($1, $2);
935 $k = 'file' if $k eq 'volume';
937 return undef if defined $res->{$k};
939 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
940 return undef if !$v || $v !~ m/^\d+/;
942 $v = sprintf("%.3f", $v / (1024*1024));
946 if (!$res->{file
} && $p !~ m/=/) {
954 return undef if !$res->{file
};
956 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
960 return undef if $res->{cache
} &&
961 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
962 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
963 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
964 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
965 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
966 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
967 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
968 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
969 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
970 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
971 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
972 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
973 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
975 return undef if $res->{mbps_rd
} && $res->{mbps
};
976 return undef if $res->{mbps_wr
} && $res->{mbps
};
978 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
979 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
980 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
981 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
982 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
983 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
985 return undef if $res->{iops_rd
} && $res->{iops
};
986 return undef if $res->{iops_wr
} && $res->{iops
};
989 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
990 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
991 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
992 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
993 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
994 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
998 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
1001 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
1002 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
1003 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
1004 return undef if $res->{interface
} eq 'virtio';
1007 # rerror does not work with scsi drives
1008 if ($res->{rerror
}) {
1009 return undef if $res->{interface
} eq 'scsi';
1015 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
1018 my ($vmid, $drive) = @_;
1021 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
1022 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1025 if ($drive->{size
}) {
1026 $opts .= ",size=" . &$format_size($drive->{size
});
1029 return "$drive->{file}$opts";
1033 my($fh, $noerr) = @_;
1036 my $SG_GET_VERSION_NUM = 0x2282;
1038 my $versionbuf = "\x00" x
8;
1039 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1041 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1044 my $version = unpack("I", $versionbuf);
1045 if ($version < 30000) {
1046 die "scsi generic interface too old\n" if !$noerr;
1050 my $buf = "\x00" x
36;
1051 my $sensebuf = "\x00" x
8;
1052 my $cmd = pack("C x3 C x1", 0x12, 36);
1054 # see /usr/include/scsi/sg.h
1055 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";
1057 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1058 length($sensebuf), 0, length($buf), $buf,
1059 $cmd, $sensebuf, 6000);
1061 $ret = ioctl($fh, $SG_IO, $packet);
1063 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1067 my @res = unpack($sg_io_hdr_t, $packet);
1068 if ($res[17] || $res[18]) {
1069 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1074 (my $byte0, my $byte1, $res->{vendor
},
1075 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1077 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1078 $res->{type
} = $byte0 & 31;
1086 my $fh = IO
::File-
>new("+<$path") || return undef;
1087 my $res = scsi_inquiry
($fh, 1);
1093 sub machine_type_is_q35
{
1096 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1099 sub print_tabletdevice_full
{
1102 my $q35 = machine_type_is_q35
($conf);
1104 # we use uhci for old VMs because tablet driver was buggy in older qemu
1105 my $usbbus = $q35 ?
"ehci" : "uhci";
1107 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1110 sub print_drivedevice_full
{
1111 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1116 if ($drive->{interface
} eq 'virtio') {
1117 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1118 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1119 $device .= ",iothread=iothread0" if $conf->{iothread
};
1120 } elsif ($drive->{interface
} eq 'scsi') {
1121 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1122 my $controller = int($drive->{index} / $maxdev);
1123 my $unit = $drive->{index} % $maxdev;
1124 my $devicetype = 'hd';
1126 if (drive_is_cdrom
($drive)) {
1129 if ($drive->{file
} =~ m
|^/|) {
1130 $path = $drive->{file
};
1132 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1135 if($path =~ m/^iscsi\:\/\
//){
1136 $devicetype = 'generic';
1138 if (my $info = path_is_scsi
($path)) {
1139 if ($info->{type
} == 0) {
1140 $devicetype = 'block';
1141 } elsif ($info->{type
} == 1) { # tape
1142 $devicetype = 'generic';
1148 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1149 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1151 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1154 } elsif ($drive->{interface
} eq 'ide'){
1156 my $controller = int($drive->{index} / $maxdev);
1157 my $unit = $drive->{index} % $maxdev;
1158 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1160 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1161 } elsif ($drive->{interface
} eq 'sata'){
1162 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1163 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1164 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1165 } elsif ($drive->{interface
} eq 'usb') {
1167 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1169 die "unsupported interface type";
1172 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1177 sub get_initiator_name
{
1180 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1181 while (defined(my $line = <$fh>)) {
1182 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1191 sub print_drive_full
{
1192 my ($storecfg, $vmid, $drive) = @_;
1195 foreach my $o (@qemu_drive_options) {
1196 next if $o eq 'bootindex';
1197 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1200 foreach my $o (qw(bps bps_rd bps_wr)) {
1201 my $v = $drive->{"m$o"};
1202 $opts .= ",$o=" . int($v*1024*1024) if $v;
1205 # use linux-aio by default (qemu default is threads)
1206 $opts .= ",aio=native" if !$drive->{aio
};
1209 my $volid = $drive->{file
};
1210 if (drive_is_cdrom
($drive)) {
1211 $path = get_iso_path
($storecfg, $vmid, $volid);
1213 if ($volid =~ m
|^/|) {
1216 $path = PVE
::Storage
::path
($storecfg, $volid);
1220 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1222 my $detectzeroes = $drive->{discard
} ?
"unmap" : "on";
1223 $opts .= ",detect-zeroes=$detectzeroes" if !drive_is_cdrom
($drive);
1225 my $pathinfo = $path ?
"file=$path," : '';
1227 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1230 sub print_netdevice_full
{
1231 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1233 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1235 my $device = $net->{model
};
1236 if ($net->{model
} eq 'virtio') {
1237 $device = 'virtio-net-pci';
1240 my $pciaddr = print_pci_addr
("$netid", $bridges);
1241 my $tmpstr = "$device,mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1242 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1243 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1244 my $vectors = $net->{queues
} * 2 + 2;
1245 $tmpstr .= ",vectors=$vectors,mq=on";
1247 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1251 sub print_netdev_full
{
1252 my ($vmid, $conf, $net, $netid) = @_;
1255 if ($netid =~ m/^net(\d+)$/) {
1259 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1261 my $ifname = "tap${vmid}i$i";
1263 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1264 die "interface name '$ifname' is too long (max 15 character)\n"
1265 if length($ifname) >= 16;
1267 my $vhostparam = '';
1268 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1270 my $vmname = $conf->{name
} || "vm$vmid";
1274 if ($net->{bridge
}) {
1275 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1277 $netdev = "type=user,id=$netid,hostname=$vmname";
1280 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1285 sub drive_is_cdrom
{
1288 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1297 foreach my $kvp (split(/,/, $data)) {
1299 if ($kvp =~ m/^memory=(\S+)$/) {
1300 $res->{memory
} = $1;
1301 } elsif ($kvp =~ m/^policy=(preferred|bind|interleave)$/) {
1302 $res->{policy
} = $1;
1303 } elsif ($kvp =~ m/^cpus=(\d+)(-(\d+))?$/) {
1304 $res->{cpus
}->{start
} = $1;
1305 $res->{cpus
}->{end
} = $3;
1306 } elsif ($kvp =~ m/^hostnodes=(\d+)(-(\d+))?$/) {
1307 $res->{hostnodes
}->{start
} = $1;
1308 $res->{hostnodes
}->{end
} = $3;
1320 return undef if !$value;
1323 my @list = split(/,/, $value);
1327 foreach my $kv (@list) {
1329 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2})(\.([a-f0-9]))?$/) {
1332 push @{$res->{pciid
}}, { id
=> $2 , function
=> $4};
1335 my $pcidevices = lspci
($2);
1336 $res->{pciid
} = $pcidevices->{$2};
1338 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1339 $res->{driver
} = $1;
1340 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1341 $res->{rombar
} = $1;
1342 } elsif ($kv =~ m/^x-vga=(on|off)$/) {
1343 $res->{'x-vga'} = $1;
1344 } elsif ($kv =~ m/^pcie=(\d+)$/) {
1345 $res->{pcie
} = 1 if $1 == 1;
1347 warn "unknown hostpci setting '$kv'\n";
1351 return undef if !$found;
1356 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1362 foreach my $kvp (split(/,/, $data)) {
1364 if ($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) {
1366 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1367 $res->{model
} = $model;
1368 $res->{macaddr
} = $mac;
1369 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1370 $res->{bridge
} = $1;
1371 } elsif ($kvp =~ m/^queues=(\d+)$/) {
1372 $res->{queues
} = $1;
1373 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1375 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1377 } elsif ($kvp =~ m/^firewall=([01])$/) {
1378 $res->{firewall
} = $1;
1379 } elsif ($kvp =~ m/^link_down=([01])$/) {
1380 $res->{link_down
} = $1;
1387 return undef if !$res->{model
};
1395 my $res = "$net->{model}";
1396 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1397 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1398 $res .= ",rate=$net->{rate}" if $net->{rate
};
1399 $res .= ",tag=$net->{tag}" if $net->{tag
};
1400 $res .= ",firewall=1" if $net->{firewall
};
1401 $res .= ",link_down=1" if $net->{link_down
};
1406 sub add_random_macs
{
1407 my ($settings) = @_;
1409 foreach my $opt (keys %$settings) {
1410 next if $opt !~ m/^net(\d+)$/;
1411 my $net = parse_net
($settings->{$opt});
1413 $settings->{$opt} = print_net
($net);
1417 sub add_unused_volume
{
1418 my ($config, $volid) = @_;
1421 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1422 my $test = "unused$ind";
1423 if (my $vid = $config->{$test}) {
1424 return if $vid eq $volid; # do not add duplicates
1430 die "To many unused volume - please delete them first.\n" if !$key;
1432 $config->{$key} = $volid;
1437 sub vm_is_volid_owner
{
1438 my ($storecfg, $vmid, $volid) = @_;
1440 if ($volid !~ m
|^/|) {
1442 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
1443 if ($owner && ($owner == $vmid)) {
1451 sub vmconfig_delete_pending_option
{
1452 my ($conf, $key) = @_;
1454 delete $conf->{pending
}->{$key};
1455 my $pending_delete_hash = { $key => 1 };
1456 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1457 $pending_delete_hash->{$opt} = 1;
1459 $conf->{pending
}->{delete} = join(',', keys %$pending_delete_hash);
1462 sub vmconfig_undelete_pending_option
{
1463 my ($conf, $key) = @_;
1465 my $pending_delete_hash = {};
1466 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1467 $pending_delete_hash->{$opt} = 1;
1469 delete $pending_delete_hash->{$key};
1471 my @keylist = keys %$pending_delete_hash;
1472 if (scalar(@keylist)) {
1473 $conf->{pending
}->{delete} = join(',', @keylist);
1475 delete $conf->{pending
}->{delete};
1479 sub vmconfig_register_unused_drive
{
1480 my ($storecfg, $vmid, $conf, $drive) = @_;
1482 if (!drive_is_cdrom
($drive)) {
1483 my $volid = $drive->{file
};
1484 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
1485 add_unused_volume
($conf, $volid, $vmid);
1490 sub vmconfig_cleanup_pending
{
1493 # remove pending changes when nothing changed
1495 foreach my $opt (keys %{$conf->{pending
}}) {
1496 if (defined($conf->{$opt}) && ($conf->{pending
}->{$opt} eq $conf->{$opt})) {
1498 delete $conf->{pending
}->{$opt};
1502 # remove delete if option is not set
1503 my $pending_delete_hash = {};
1504 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1505 if (defined($conf->{$opt})) {
1506 $pending_delete_hash->{$opt} = 1;
1512 my @keylist = keys %$pending_delete_hash;
1513 if (scalar(@keylist)) {
1514 $conf->{pending
}->{delete} = join(',', @keylist);
1516 delete $conf->{pending
}->{delete};
1522 my $valid_smbios1_options = {
1523 manufacturer
=> '\S+',
1527 uuid
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1532 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1538 foreach my $kvp (split(/,/, $data)) {
1539 return undef if $kvp !~ m/^(\S+)=(.+)$/;
1540 my ($k, $v) = split(/=/, $kvp);
1541 return undef if !defined($k) || !defined($v);
1542 return undef if !$valid_smbios1_options->{$k};
1543 return undef if $v !~ m/^$valid_smbios1_options->{$k}$/;
1554 foreach my $k (keys %$smbios1) {
1555 next if !defined($smbios1->{$k});
1556 next if !$valid_smbios1_options->{$k};
1557 $data .= ',' if $data;
1558 $data .= "$k=$smbios1->{$k}";
1563 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', \
&verify_smbios1
);
1564 sub verify_smbios1
{
1565 my ($value, $noerr) = @_;
1567 return $value if parse_smbios1
($value);
1569 return undef if $noerr;
1571 die "unable to parse smbios (type 1) options\n";
1574 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1575 sub verify_bootdisk
{
1576 my ($value, $noerr) = @_;
1578 return $value if valid_drivename
($value);
1580 return undef if $noerr;
1582 die "invalid boot disk '$value'\n";
1585 PVE
::JSONSchema
::register_format
('pve-qm-numanode', \
&verify_numa
);
1587 my ($value, $noerr) = @_;
1589 return $value if parse_numa
($value);
1591 return undef if $noerr;
1593 die "unable to parse numa options\n";
1596 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1598 my ($value, $noerr) = @_;
1600 return $value if parse_net
($value);
1602 return undef if $noerr;
1604 die "unable to parse network options\n";
1607 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1609 my ($value, $noerr) = @_;
1611 return $value if parse_drive
(undef, $value);
1613 return undef if $noerr;
1615 die "unable to parse drive options\n";
1618 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1619 sub verify_hostpci
{
1620 my ($value, $noerr) = @_;
1622 return $value if parse_hostpci
($value);
1624 return undef if $noerr;
1626 die "unable to parse pci id\n";
1629 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1630 sub verify_watchdog
{
1631 my ($value, $noerr) = @_;
1633 return $value if parse_watchdog
($value);
1635 return undef if $noerr;
1637 die "unable to parse watchdog options\n";
1640 sub parse_watchdog
{
1643 return undef if !$value;
1647 foreach my $p (split(/,/, $value)) {
1648 next if $p =~ m/^\s*$/;
1650 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1652 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1653 $res->{action
} = $2;
1662 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1663 sub verify_startup
{
1664 my ($value, $noerr) = @_;
1666 return $value if parse_startup
($value);
1668 return undef if $noerr;
1670 die "unable to parse startup options\n";
1676 return undef if !$value;
1680 foreach my $p (split(/,/, $value)) {
1681 next if $p =~ m/^\s*$/;
1683 if ($p =~ m/^(order=)?(\d+)$/) {
1685 } elsif ($p =~ m/^up=(\d+)$/) {
1687 } elsif ($p =~ m/^down=(\d+)$/) {
1697 sub parse_usb_device
{
1700 return undef if !$value;
1702 my @dl = split(/,/, $value);
1706 foreach my $v (@dl) {
1707 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1709 $res->{vendorid
} = $2;
1710 $res->{productid
} = $4;
1711 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1713 $res->{hostbus
} = $1;
1714 $res->{hostport
} = $2;
1715 } elsif ($v =~ m/^spice$/) {
1722 return undef if !$found;
1727 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1728 sub verify_usb_device
{
1729 my ($value, $noerr) = @_;
1731 return $value if parse_usb_device
($value);
1733 return undef if $noerr;
1735 die "unable to parse usb device\n";
1738 # add JSON properties for create and set function
1739 sub json_config_properties
{
1742 foreach my $opt (keys %$confdesc) {
1743 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1744 $prop->{$opt} = $confdesc->{$opt};
1751 my ($key, $value) = @_;
1753 die "unknown setting '$key'\n" if !$confdesc->{$key};
1755 my $type = $confdesc->{$key}->{type
};
1757 if (!defined($value)) {
1758 die "got undefined value\n";
1761 if ($value =~ m/[\n\r]/) {
1762 die "property contains a line feed\n";
1765 if ($type eq 'boolean') {
1766 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1767 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1768 die "type check ('boolean') failed - got '$value'\n";
1769 } elsif ($type eq 'integer') {
1770 return int($1) if $value =~ m/^(\d+)$/;
1771 die "type check ('integer') failed - got '$value'\n";
1772 } elsif ($type eq 'number') {
1773 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1774 die "type check ('number') failed - got '$value'\n";
1775 } elsif ($type eq 'string') {
1776 if (my $fmt = $confdesc->{$key}->{format
}) {
1777 if ($fmt eq 'pve-qm-drive') {
1778 # special case - we need to pass $key to parse_drive()
1779 my $drive = parse_drive
($key, $value);
1780 return $value if $drive;
1781 die "unable to parse drive options\n";
1783 PVE
::JSONSchema
::check_format
($fmt, $value);
1786 $value =~ s/^\"(.*)\"$/$1/;
1789 die "internal error"
1793 sub lock_config_full
{
1794 my ($vmid, $timeout, $code, @param) = @_;
1796 my $filename = config_file_lock
($vmid);
1798 my $res = lock_file
($filename, $timeout, $code, @param);
1805 sub lock_config_mode
{
1806 my ($vmid, $timeout, $shared, $code, @param) = @_;
1808 my $filename = config_file_lock
($vmid);
1810 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1818 my ($vmid, $code, @param) = @_;
1820 return lock_config_full
($vmid, 10, $code, @param);
1823 sub cfs_config_path
{
1824 my ($vmid, $node) = @_;
1826 $node = $nodename if !$node;
1827 return "nodes/$node/qemu-server/$vmid.conf";
1830 sub check_iommu_support
{
1831 #fixme : need to check IOMMU support
1832 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1840 my ($vmid, $node) = @_;
1842 my $cfspath = cfs_config_path
($vmid, $node);
1843 return "/etc/pve/$cfspath";
1846 sub config_file_lock
{
1849 return "$lock_dir/lock-$vmid.conf";
1855 my $conf = config_file
($vmid);
1856 utime undef, undef, $conf;
1860 my ($storecfg, $vmid, $keep_empty_config) = @_;
1862 my $conffile = config_file
($vmid);
1864 my $conf = load_config
($vmid);
1868 # only remove disks owned by this VM
1869 foreach_drive
($conf, sub {
1870 my ($ds, $drive) = @_;
1872 return if drive_is_cdrom
($drive);
1874 my $volid = $drive->{file
};
1876 return if !$volid || $volid =~ m
|^/|;
1878 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1879 return if !$path || !$owner || ($owner != $vmid);
1881 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1884 if ($keep_empty_config) {
1885 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1890 # also remove unused disk
1892 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1895 PVE
::Storage
::foreach_volid
($dl, sub {
1896 my ($volid, $sid, $volname, $d) = @_;
1897 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1907 my ($vmid, $node) = @_;
1909 my $cfspath = cfs_config_path
($vmid, $node);
1911 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1913 die "no such VM ('$vmid')\n" if !defined($conf);
1918 sub parse_vm_config
{
1919 my ($filename, $raw) = @_;
1921 return undef if !defined($raw);
1924 digest
=> Digest
::SHA
::sha1_hex
($raw),
1929 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1930 || die "got strange filename '$filename'";
1938 my @lines = split(/\n/, $raw);
1939 foreach my $line (@lines) {
1940 next if $line =~ m/^\s*$/;
1942 if ($line =~ m/^\[PENDING\]\s*$/i) {
1943 $section = 'pending';
1944 $conf->{description
} = $descr if $descr;
1946 $conf = $res->{$section} = {};
1949 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1951 $conf->{description
} = $descr if $descr;
1953 $conf = $res->{snapshots
}->{$section} = {};
1957 if ($line =~ m/^\#(.*)\s*$/) {
1958 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1962 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1963 $descr .= PVE
::Tools
::decode_text
($2);
1964 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1965 $conf->{snapstate
} = $1;
1966 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1969 $conf->{$key} = $value;
1970 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
1972 if ($section eq 'pending') {
1973 $conf->{delete} = $value; # we parse this later
1975 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
1977 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1980 eval { $value = check_type
($key, $value); };
1982 warn "vm $vmid - unable to parse value of '$key' - $@";
1984 my $fmt = $confdesc->{$key}->{format
};
1985 if ($fmt && $fmt eq 'pve-qm-drive') {
1986 my $v = parse_drive
($key, $value);
1987 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1988 $v->{file
} = $volid;
1989 $value = print_drive
($vmid, $v);
1991 warn "vm $vmid - unable to parse value of '$key'\n";
1996 if ($key eq 'cdrom') {
1997 $conf->{ide2
} = $value;
1999 $conf->{$key} = $value;
2005 $conf->{description
} = $descr if $descr;
2007 delete $res->{snapstate
}; # just to be sure
2012 sub write_vm_config
{
2013 my ($filename, $conf) = @_;
2015 delete $conf->{snapstate
}; # just to be sure
2017 if ($conf->{cdrom
}) {
2018 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2019 $conf->{ide2
} = $conf->{cdrom
};
2020 delete $conf->{cdrom
};
2023 # we do not use 'smp' any longer
2024 if ($conf->{sockets
}) {
2025 delete $conf->{smp
};
2026 } elsif ($conf->{smp
}) {
2027 $conf->{sockets
} = $conf->{smp
};
2028 delete $conf->{cores
};
2029 delete $conf->{smp
};
2032 if ($conf->{maxcpus
} && $conf->{sockets
}) {
2033 delete $conf->{sockets
};
2036 my $used_volids = {};
2038 my $cleanup_config = sub {
2039 my ($cref, $pending, $snapname) = @_;
2041 foreach my $key (keys %$cref) {
2042 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2043 $key eq 'snapstate' || $key eq 'pending';
2044 my $value = $cref->{$key};
2045 if ($key eq 'delete') {
2046 die "propertry 'delete' is only allowed in [PENDING]\n"
2048 # fixme: check syntax?
2051 eval { $value = check_type
($key, $value); };
2052 die "unable to parse value of '$key' - $@" if $@;
2054 $cref->{$key} = $value;
2056 if (!$snapname && valid_drivename
($key)) {
2057 my $drive = parse_drive
($key, $value);
2058 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2063 &$cleanup_config($conf);
2065 &$cleanup_config($conf->{pending
}, 1);
2067 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2068 die "internal error" if $snapname eq 'pending';
2069 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2072 # remove 'unusedX' settings if we re-add a volume
2073 foreach my $key (keys %$conf) {
2074 my $value = $conf->{$key};
2075 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2076 delete $conf->{$key};
2080 my $generate_raw_config = sub {
2085 # add description as comment to top of file
2086 my $descr = $conf->{description
} || '';
2087 foreach my $cl (split(/\n/, $descr)) {
2088 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2091 foreach my $key (sort keys %$conf) {
2092 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2093 $raw .= "$key: $conf->{$key}\n";
2098 my $raw = &$generate_raw_config($conf);
2100 if (scalar(keys %{$conf->{pending
}})){
2101 $raw .= "\n[PENDING]\n";
2102 $raw .= &$generate_raw_config($conf->{pending
});
2105 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2106 $raw .= "\n[$snapname]\n";
2107 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2113 sub update_config_nolock
{
2114 my ($vmid, $conf, $skiplock) = @_;
2116 check_lock
($conf) if !$skiplock;
2118 my $cfspath = cfs_config_path
($vmid);
2120 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
2124 my ($vmid, $conf, $skiplock) = @_;
2126 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
2133 # we use static defaults from our JSON schema configuration
2134 foreach my $key (keys %$confdesc) {
2135 if (defined(my $default = $confdesc->{$key}->{default})) {
2136 $res->{$key} = $default;
2140 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
2141 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
2147 my $vmlist = PVE
::Cluster
::get_vmlist
();
2149 return $res if !$vmlist || !$vmlist->{ids
};
2150 my $ids = $vmlist->{ids
};
2152 foreach my $vmid (keys %$ids) {
2153 my $d = $ids->{$vmid};
2154 next if !$d->{node
} || $d->{node
} ne $nodename;
2155 next if !$d->{type
} || $d->{type
} ne 'qemu';
2156 $res->{$vmid}->{exists} = 1;
2161 # test if VM uses local resources (to prevent migration)
2162 sub check_local_resources
{
2163 my ($conf, $noerr) = @_;
2167 $loc_res = 1 if $conf->{hostusb
}; # old syntax
2168 $loc_res = 1 if $conf->{hostpci
}; # old syntax
2170 foreach my $k (keys %$conf) {
2171 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2172 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2175 die "VM uses local resources\n" if $loc_res && !$noerr;
2180 # check if used storages are available on all nodes (use by migrate)
2181 sub check_storage_availability
{
2182 my ($storecfg, $conf, $node) = @_;
2184 foreach_drive
($conf, sub {
2185 my ($ds, $drive) = @_;
2187 my $volid = $drive->{file
};
2190 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2193 # check if storage is available on both nodes
2194 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2195 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2199 # list nodes where all VM images are available (used by has_feature API)
2201 my ($conf, $storecfg) = @_;
2203 my $nodelist = PVE
::Cluster
::get_nodelist
();
2204 my $nodehash = { map { $_ => 1 } @$nodelist };
2205 my $nodename = PVE
::INotify
::nodename
();
2207 foreach_drive
($conf, sub {
2208 my ($ds, $drive) = @_;
2210 my $volid = $drive->{file
};
2213 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2215 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2216 if ($scfg->{disable
}) {
2218 } elsif (my $avail = $scfg->{nodes
}) {
2219 foreach my $node (keys %$nodehash) {
2220 delete $nodehash->{$node} if !$avail->{$node};
2222 } elsif (!$scfg->{shared
}) {
2223 foreach my $node (keys %$nodehash) {
2224 delete $nodehash->{$node} if $node ne $nodename
2236 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
2240 my ($pidfile, $pid) = @_;
2242 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2246 return undef if !$line;
2247 my @param = split(/\0/, $line);
2249 my $cmd = $param[0];
2250 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2252 for (my $i = 0; $i < scalar (@param); $i++) {
2255 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2256 my $p = $param[$i+1];
2257 return 1 if $p && ($p eq $pidfile);
2266 my ($vmid, $nocheck, $node) = @_;
2268 my $filename = config_file
($vmid, $node);
2270 die "unable to find configuration file for VM $vmid - no such machine\n"
2271 if !$nocheck && ! -f
$filename;
2273 my $pidfile = pidfile_name
($vmid);
2275 if (my $fd = IO
::File-
>new("<$pidfile")) {
2280 my $mtime = $st->mtime;
2281 if ($mtime > time()) {
2282 warn "file '$filename' modified in future\n";
2285 if ($line =~ m/^(\d+)$/) {
2287 if (check_cmdline
($pidfile, $pid)) {
2288 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2300 my $vzlist = config_list
();
2302 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2304 while (defined(my $de = $fd->read)) {
2305 next if $de !~ m/^(\d+)\.pid$/;
2307 next if !defined($vzlist->{$vmid});
2308 if (my $pid = check_running
($vmid)) {
2309 $vzlist->{$vmid}->{pid
} = $pid;
2317 my ($storecfg, $conf) = @_;
2319 my $bootdisk = $conf->{bootdisk
};
2320 return undef if !$bootdisk;
2321 return undef if !valid_drivename
($bootdisk);
2323 return undef if !$conf->{$bootdisk};
2325 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2326 return undef if !defined($drive);
2328 return undef if drive_is_cdrom
($drive);
2330 my $volid = $drive->{file
};
2331 return undef if !$volid;
2333 return $drive->{size
};
2336 my $last_proc_pid_stat;
2338 # get VM status information
2339 # This must be fast and should not block ($full == false)
2340 # We only query KVM using QMP if $full == true (this can be slow)
2342 my ($opt_vmid, $full) = @_;
2346 my $storecfg = PVE
::Storage
::config
();
2348 my $list = vzlist
();
2349 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2351 my $cpucount = $cpuinfo->{cpus
} || 1;
2353 foreach my $vmid (keys %$list) {
2354 next if $opt_vmid && ($vmid ne $opt_vmid);
2356 my $cfspath = cfs_config_path
($vmid);
2357 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2360 $d->{pid
} = $list->{$vmid}->{pid
};
2362 # fixme: better status?
2363 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2365 my $size = disksize
($storecfg, $conf);
2366 if (defined($size)) {
2367 $d->{disk
} = 0; # no info available
2368 $d->{maxdisk
} = $size;
2374 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2375 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2377 $d->{name
} = $conf->{name
} || "VM $vmid";
2378 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2380 if ($conf->{balloon
}) {
2381 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2382 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2393 $d->{diskwrite
} = 0;
2395 $d->{template
} = is_template
($conf);
2400 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2401 foreach my $dev (keys %$netdev) {
2402 next if $dev !~ m/^tap([1-9]\d*)i/;
2404 my $d = $res->{$vmid};
2407 $d->{netout
} += $netdev->{$dev}->{receive
};
2408 $d->{netin
} += $netdev->{$dev}->{transmit
};
2411 my $ctime = gettimeofday
;
2413 foreach my $vmid (keys %$list) {
2415 my $d = $res->{$vmid};
2416 my $pid = $d->{pid
};
2419 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2420 next if !$pstat; # not running
2422 my $used = $pstat->{utime} + $pstat->{stime
};
2424 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2426 if ($pstat->{vsize
}) {
2427 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2430 my $old = $last_proc_pid_stat->{$pid};
2432 $last_proc_pid_stat->{$pid} = {
2440 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2442 if ($dtime > 1000) {
2443 my $dutime = $used - $old->{used
};
2445 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2446 $last_proc_pid_stat->{$pid} = {
2452 $d->{cpu
} = $old->{cpu
};
2456 return $res if !$full;
2458 my $qmpclient = PVE
::QMPClient-
>new();
2460 my $ballooncb = sub {
2461 my ($vmid, $resp) = @_;
2463 my $info = $resp->{'return'};
2464 return if !$info->{max_mem
};
2466 my $d = $res->{$vmid};
2468 # use memory assigned to VM
2469 $d->{maxmem
} = $info->{max_mem
};
2470 $d->{balloon
} = $info->{actual
};
2472 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2473 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2474 $d->{freemem
} = $info->{free_mem
};
2479 my $blockstatscb = sub {
2480 my ($vmid, $resp) = @_;
2481 my $data = $resp->{'return'} || [];
2482 my $totalrdbytes = 0;
2483 my $totalwrbytes = 0;
2484 for my $blockstat (@$data) {
2485 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2486 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2488 $res->{$vmid}->{diskread
} = $totalrdbytes;
2489 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2492 my $statuscb = sub {
2493 my ($vmid, $resp) = @_;
2495 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2496 # this fails if ballon driver is not loaded, so this must be
2497 # the last commnand (following command are aborted if this fails).
2498 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2500 my $status = 'unknown';
2501 if (!defined($status = $resp->{'return'}->{status
})) {
2502 warn "unable to get VM status\n";
2506 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2509 foreach my $vmid (keys %$list) {
2510 next if $opt_vmid && ($vmid ne $opt_vmid);
2511 next if !$res->{$vmid}->{pid
}; # not running
2512 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2515 $qmpclient->queue_execute(undef, 1);
2517 foreach my $vmid (keys %$list) {
2518 next if $opt_vmid && ($vmid ne $opt_vmid);
2519 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2526 my ($conf, $func) = @_;
2528 foreach my $ds (keys %$conf) {
2529 next if !valid_drivename
($ds);
2531 my $drive = parse_drive
($ds, $conf->{$ds});
2534 &$func($ds, $drive);
2539 my ($conf, $func) = @_;
2543 my $test_volid = sub {
2544 my ($volid, $is_cdrom) = @_;
2548 $volhash->{$volid} = $is_cdrom || 0;
2551 foreach_drive
($conf, sub {
2552 my ($ds, $drive) = @_;
2553 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2556 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2557 my $snap = $conf->{snapshots
}->{$snapname};
2558 &$test_volid($snap->{vmstate
}, 0);
2559 foreach_drive
($snap, sub {
2560 my ($ds, $drive) = @_;
2561 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2565 foreach my $volid (keys %$volhash) {
2566 &$func($volid, $volhash->{$volid});
2570 sub vga_conf_has_spice
{
2573 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2578 sub config_to_command
{
2579 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2582 my $globalFlags = [];
2583 my $machineFlags = [];
2589 my $kvmver = kvm_user_version
();
2590 my $vernum = 0; # unknown
2591 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2592 $vernum = $1*1000000+$2*1000;
2593 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2594 $vernum = $1*1000000+$2*1000+$3;
2597 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2599 my $have_ovz = -f
'/proc/vz/vestat';
2601 my $q35 = machine_type_is_q35
($conf);
2603 push @$cmd, '/usr/bin/kvm';
2605 push @$cmd, '-id', $vmid;
2609 my $qmpsocket = qmp_socket
($vmid);
2610 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2611 push @$cmd, '-mon', "chardev=qmp,mode=control";
2613 my $socket = vnc_socket
($vmid);
2614 push @$cmd, '-vnc', "unix:$socket,x509,password";
2616 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2618 push @$cmd, '-daemonize';
2620 if ($conf->{smbios1
}) {
2621 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2624 push @$cmd, '-object', "iothread,id=iothread0" if $conf->{iothread
};
2627 # the q35 chipset support native usb2, so we enable usb controller
2628 # by default for this machine type
2629 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
2631 $pciaddr = print_pci_addr
("piix3", $bridges);
2632 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2635 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2636 next if !$conf->{"usb$i"};
2639 # include usb device config
2640 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2643 my $vga = $conf->{vga
};
2645 my $qxlnum = vga_conf_has_spice
($vga);
2646 $vga = 'qxl' if $qxlnum;
2649 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2650 $conf->{ostype
} eq 'win7' ||
2651 $conf->{ostype
} eq 'w2k8')) {
2658 # enable absolute mouse coordinates (needed by vnc)
2660 if (defined($conf->{tablet
})) {
2661 $tablet = $conf->{tablet
};
2663 $tablet = $defaults->{tablet
};
2664 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2665 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2668 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2671 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2672 my $d = parse_hostpci
($conf->{"hostpci$i"});
2675 my $pcie = $d->{pcie
};
2677 die "q35 machine model is not enabled" if !$q35;
2678 $pciaddr = print_pcie_addr
("hostpci$i");
2680 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2683 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2684 my $driver = $d->{driver
} && $d->{driver
} eq 'vfio' ?
"vfio-pci" : "pci-assign";
2685 my $xvga = $d->{'x-vga'} && $d->{'x-vga'} eq 'on' ?
",x-vga=on" : "";
2686 if ($xvga && $xvga ne '') {
2687 push @$cpuFlags, 'kvm=off';
2690 $driver = "vfio-pci" if $xvga ne '';
2691 my $pcidevices = $d->{pciid
};
2692 my $multifunction = 1 if @$pcidevices > 1;
2695 foreach my $pcidevice (@$pcidevices) {
2697 my $id = "hostpci$i";
2698 $id .= ".$j" if $multifunction;
2699 my $addr = $pciaddr;
2700 $addr .= ".$j" if $multifunction;
2701 my $devicestr = "$driver,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2704 $devicestr .= "$rombar$xvga";
2705 $devicestr .= ",multifunction=on" if $multifunction;
2708 push @$devices, '-device', $devicestr;
2714 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2715 my $d = parse_usb_device
($conf->{"usb$i"});
2717 if ($d->{vendorid
} && $d->{productid
}) {
2718 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2719 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2720 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2721 } elsif ($d->{spice
}) {
2722 # usb redir support for spice
2723 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2724 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2729 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2730 if (my $path = $conf->{"serial$i"}) {
2731 if ($path eq 'socket') {
2732 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2733 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2734 push @$devices, '-device', "isa-serial,chardev=serial$i";
2736 die "no such serial device\n" if ! -c
$path;
2737 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2738 push @$devices, '-device', "isa-serial,chardev=serial$i";
2744 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2745 if (my $path = $conf->{"parallel$i"}) {
2746 die "no such parallel device\n" if ! -c
$path;
2747 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2748 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2749 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2753 my $vmname = $conf->{name
} || "vm$vmid";
2755 push @$cmd, '-name', $vmname;
2758 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2759 $sockets = $conf->{sockets
} if $conf->{sockets
};
2761 my $cores = $conf->{cores
} || 1;
2762 my $maxcpus = $conf->{maxcpus
} if $conf->{maxcpus
};
2764 my $total_cores = $sockets * $cores;
2765 my $allowed_cores = $cpuinfo->{cpus
};
2767 die "MAX $allowed_cores cores allowed per VM on this node\n"
2768 if ($allowed_cores < $total_cores);
2771 push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
2773 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2776 push @$cmd, '-nodefaults';
2778 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2780 my $bootindex_hash = {};
2782 foreach my $o (split(//, $bootorder)) {
2783 $bootindex_hash->{$o} = $i*100;
2787 push @$cmd, '-boot', "menu=on,strict=on,reboot-timeout=1000";
2789 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2791 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2793 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2796 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2798 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2799 my $useLocaltime = $conf->{localtime};
2801 if (my $ost = $conf->{ostype
}) {
2802 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2804 if ($ost =~ m/^w/) { # windows
2805 $useLocaltime = 1 if !defined($conf->{localtime});
2807 # use time drift fix when acpi is enabled
2808 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2809 $tdf = 1 if !defined($conf->{tdf
});
2813 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2815 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2816 push @$cmd, '-no-hpet';
2817 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2818 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2821 if ($ost eq 'win7' || $ost eq 'win8') {
2822 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2826 push @$rtcFlags, 'driftfix=slew' if $tdf;
2829 push @$machineFlags, 'accel=tcg';
2831 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2834 my $machine_type = $forcemachine || $conf->{machine
};
2835 if ($machine_type) {
2836 push @$machineFlags, "type=${machine_type}";
2839 if ($conf->{startdate
}) {
2840 push @$rtcFlags, "base=$conf->{startdate}";
2841 } elsif ($useLocaltime) {
2842 push @$rtcFlags, 'base=localtime';
2845 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2846 $cpu = $conf->{cpu
} if $conf->{cpu
};
2848 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2850 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2852 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2854 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2856 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2858 # Note: enforce needs kernel 3.10, so we do not use it for now
2859 # push @$cmd, '-cpu', "$cpu,enforce";
2860 push @$cmd, '-cpu', $cpu;
2862 my $memory = $conf->{memory
} || $defaults->{memory
};
2863 push @$cmd, '-m', $memory;
2865 if ($conf->{numa
}) {
2867 my $numa_totalmemory = undef;
2868 for (my $i = 0; $i < $MAX_NUMA; $i++) {
2869 next if !$conf->{"numa$i"};
2870 my $numa = parse_numa
($conf->{"numa$i"});
2873 die "missing numa node$i memory value\n" if !$numa->{memory
};
2874 my $numa_memory = $numa->{memory
};
2875 $numa_totalmemory += $numa_memory;
2876 my $numa_object = "memory-backend-ram,id=ram-node$i,size=$numa_memory"."M";
2879 my $cpus_start = $numa->{cpus
}->{start
};
2880 die "missing numa node$i cpus\n" if !defined($cpus_start);
2881 my $cpus_end = $numa->{cpus
}->{end
} if defined($numa->{cpus
}->{end
});
2882 my $cpus = $cpus_start;
2883 if (defined($cpus_end)) {
2884 $cpus .= "-$cpus_end";
2885 die "numa node$i : cpu range $cpus is incorrect\n" if $cpus_end <= $cpus_start;
2889 my $hostnodes_start = $numa->{hostnodes
}->{start
};
2890 if (defined($hostnodes_start)) {
2891 my $hostnodes_end = $numa->{hostnodes
}->{end
} if defined($numa->{hostnodes
}->{end
});
2892 my $hostnodes = $hostnodes_start;
2893 if (defined($hostnodes_end)) {
2894 $hostnodes .= "-$hostnodes_end";
2895 die "host node $hostnodes range is incorrect\n" if $hostnodes_end <= $hostnodes_start;
2898 my $hostnodes_end_range = defined($hostnodes_end) ?
$hostnodes_end : $hostnodes_start;
2899 for (my $i = $hostnodes_start; $i <= $hostnodes_end_range; $i++ ) {
2900 die "host numa node$i don't exist\n" if ! -d
"/sys/devices/system/node/node$i/";
2904 my $policy = $numa->{policy
};
2905 die "you need to define a policy for hostnode $hostnodes\n" if !$policy;
2906 $numa_object .= ",host-nodes=$hostnodes,policy=$policy";
2909 push @$cmd, '-object', $numa_object;
2910 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2913 die "total memory for NUMA nodes must be equal to vm memory\n"
2914 if $numa_totalmemory && $numa_totalmemory != $memory;
2916 #if no custom tology, we split memory and cores across numa nodes
2917 if(!$numa_totalmemory) {
2919 my $numa_memory = ($memory / $sockets) . "M";
2921 for (my $i = 0; $i < $sockets; $i++) {
2923 my $cpustart = ($cores * $i);
2924 my $cpuend = ($cpustart + $cores - 1) if $cores && $cores > 1;
2925 my $cpus = $cpustart;
2926 $cpus .= "-$cpuend" if $cpuend;
2928 push @$cmd, '-object', "memory-backend-ram,size=$numa_memory,id=ram-node$i";
2929 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2934 push @$cmd, '-S' if $conf->{freeze
};
2936 # set keyboard layout
2937 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2938 push @$cmd, '-k', $kb if $kb;
2941 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2942 #push @$cmd, '-soundhw', 'es1370';
2943 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2945 if($conf->{agent
}) {
2946 my $qgasocket = qmp_socket
($vmid, 1);
2947 my $pciaddr = print_pci_addr
("qga0", $bridges);
2948 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2949 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2950 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2957 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2958 for(my $i = 1; $i < $qxlnum; $i++){
2959 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2960 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2963 # assume other OS works like Linux
2964 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2965 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2969 my $pciaddr = print_pci_addr
("spice", $bridges);
2971 $spice_port = PVE
::Tools
::next_spice_port
();
2973 push @$devices, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2975 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
2976 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2977 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2980 # enable balloon by default, unless explicitly disabled
2981 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2982 $pciaddr = print_pci_addr
("balloon0", $bridges);
2983 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2986 if ($conf->{watchdog
}) {
2987 my $wdopts = parse_watchdog
($conf->{watchdog
});
2988 $pciaddr = print_pci_addr
("watchdog", $bridges);
2989 my $watchdog = $wdopts->{model
} || 'i6300esb';
2990 push @$devices, '-device', "$watchdog$pciaddr";
2991 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2995 my $scsicontroller = {};
2996 my $ahcicontroller = {};
2997 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2999 # Add iscsi initiator name if available
3000 if (my $initiator = get_initiator_name
()) {
3001 push @$devices, '-iscsi', "initiator-name=$initiator";
3004 foreach_drive
($conf, sub {
3005 my ($ds, $drive) = @_;
3007 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3008 push @$vollist, $drive->{file
};
3011 $use_virtio = 1 if $ds =~ m/^virtio/;
3013 if (drive_is_cdrom
($drive)) {
3014 if ($bootindex_hash->{d
}) {
3015 $drive->{bootindex
} = $bootindex_hash->{d
};
3016 $bootindex_hash->{d
} += 1;
3019 if ($bootindex_hash->{c
}) {
3020 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
3021 $bootindex_hash->{c
} += 1;
3025 if ($drive->{interface
} eq 'scsi') {
3027 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
3028 my $controller = int($drive->{index} / $maxdev);
3029 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
3030 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
3031 $scsicontroller->{$controller}=1;
3034 if ($drive->{interface
} eq 'sata') {
3035 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3036 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
3037 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3038 $ahcicontroller->{$controller}=1;
3041 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
3042 push @$devices, '-drive',$drive_cmd;
3043 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
3046 for (my $i = 0; $i < $MAX_NETS; $i++) {
3047 next if !$conf->{"net$i"};
3048 my $d = parse_net
($conf->{"net$i"});
3051 $use_virtio = 1 if $d->{model
} eq 'virtio';
3053 if ($bootindex_hash->{n
}) {
3054 $d->{bootindex
} = $bootindex_hash->{n
};
3055 $bootindex_hash->{n
} += 1;
3058 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
3059 push @$devices, '-netdev', $netdevfull;
3061 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
3062 push @$devices, '-device', $netdevicefull;
3067 while (my ($k, $v) = each %$bridges) {
3068 $pciaddr = print_pci_addr
("pci.$k");
3069 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3073 # hack: virtio with fairsched is unreliable, so we do not use fairsched
3074 # when the VM uses virtio devices.
3075 if (!$use_virtio && $have_ovz) {
3077 my $cpuunits = defined($conf->{cpuunits
}) ?
3078 $conf->{cpuunits
} : $defaults->{cpuunits
};
3080 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
3082 # fixme: cpulimit is currently ignored
3083 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
3087 if ($conf->{args
}) {
3088 my $aa = PVE
::Tools
::split_args
($conf->{args
});
3092 push @$cmd, @$devices;
3093 push @$cmd, '-rtc', join(',', @$rtcFlags)
3094 if scalar(@$rtcFlags);
3095 push @$cmd, '-machine', join(',', @$machineFlags)
3096 if scalar(@$machineFlags);
3097 push @$cmd, '-global', join(',', @$globalFlags)
3098 if scalar(@$globalFlags);
3100 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
3105 return "${var_run_tmpdir}/$vmid.vnc";
3111 my $res = vm_mon_cmd
($vmid, 'query-spice');
3113 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3117 my ($vmid, $qga) = @_;
3118 my $sockettype = $qga ?
'qga' : 'qmp';
3119 return "${var_run_tmpdir}/$vmid.$sockettype";
3124 return "${var_run_tmpdir}/$vmid.pid";
3127 sub vm_devices_list
{
3130 my $res = vm_mon_cmd
($vmid, 'query-pci');
3132 foreach my $pcibus (@$res) {
3133 foreach my $device (@{$pcibus->{devices
}}) {
3134 next if !$device->{'qdev_id'};
3135 $devices->{$device->{'qdev_id'}} = 1;
3139 my $resblock = vm_mon_cmd
($vmid, 'query-block');
3140 foreach my $block (@$resblock) {
3141 if($block->{device
} =~ m/^drive-(\S+)/){
3146 my $resmice = vm_mon_cmd
($vmid, 'query-mice');
3147 foreach my $mice (@$resmice) {
3148 if ($mice->{name
} eq 'QEMU HID Tablet') {
3149 $devices->{tablet
} = 1;
3157 sub hotplug_enabled
{
3160 my $default = $confdesc->{'hotplug'}->{default};
3162 return defined($conf->{hotplug
}) ?
$conf->{hotplug
} : $default;
3166 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3168 die "internal error" if !hotplug_enabled
($conf);
3170 my $q35 = machine_type_is_q35
($conf);
3172 my $devices_list = vm_devices_list
($vmid);
3173 return 1 if defined($devices_list->{$deviceid});
3175 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3177 if ($deviceid eq 'tablet') {
3179 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
3181 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3183 qemu_driveadd
($storecfg, $vmid, $device);
3184 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3186 qemu_deviceadd
($vmid, $devicefull);
3187 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3189 eval { qemu_drivedel
($vmid, $deviceid); };
3194 } elsif ($deviceid =~ m/^(scsihw)(\d+)$/) {
3196 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
3197 my $pciaddr = print_pci_addr
($deviceid);
3198 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
3200 qemu_deviceadd
($vmid, $devicefull);
3201 qemu_deviceaddverify
($vmid, $deviceid);
3203 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3205 qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
3206 qemu_driveadd
($storecfg, $vmid, $device);
3208 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3209 eval { qemu_deviceadd
($vmid, $devicefull); };
3211 eval { qemu_drivedel
($vmid, $deviceid); };
3216 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3218 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
3219 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
3220 qemu_deviceadd
($vmid, $netdevicefull);
3221 eval { qemu_deviceaddverify
($vmid, $deviceid); };
3223 eval { qemu_netdevdel
($vmid, $deviceid); };
3228 } elsif (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3231 my $pciaddr = print_pci_addr
($deviceid);
3232 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3234 qemu_deviceadd
($vmid, $devicefull);
3235 qemu_deviceaddverify
($vmid, $deviceid);
3238 die "can't hotplug device '$deviceid'\n";
3244 # fixme: this should raise exceptions on error!
3245 sub vm_deviceunplug
{
3246 my ($vmid, $conf, $deviceid) = @_;
3248 die "internal error" if !hotplug_enabled
($conf);
3250 my $devices_list = vm_devices_list
($vmid);
3251 return 1 if !defined($devices_list->{$deviceid});
3253 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
3255 if ($deviceid eq 'tablet') {
3257 qemu_devicedel
($vmid, $deviceid);
3259 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3261 qemu_devicedel
($vmid, $deviceid);
3262 qemu_devicedelverify
($vmid, $deviceid);
3263 qemu_drivedel
($vmid, $deviceid);
3265 } elsif ($deviceid =~ m/^(lsi)(\d+)$/) {
3267 qemu_devicedel
($vmid, $deviceid);
3269 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3271 qemu_devicedel
($vmid, $deviceid);
3272 qemu_drivedel
($vmid, $deviceid);
3274 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3276 qemu_devicedel
($vmid, $deviceid);
3277 qemu_devicedelverify
($vmid, $deviceid);
3278 qemu_netdevdel
($vmid, $deviceid);
3281 die "can't unplug device '$deviceid'\n";
3287 sub qemu_deviceadd
{
3288 my ($vmid, $devicefull) = @_;
3290 $devicefull = "driver=".$devicefull;
3291 my %options = split(/[=,]/, $devicefull);
3293 vm_mon_cmd
($vmid, "device_add" , %options);
3296 sub qemu_devicedel
{
3297 my ($vmid, $deviceid) = @_;
3299 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3303 my ($storecfg, $vmid, $device) = @_;
3305 my $drive = print_drive_full
($storecfg, $vmid, $device);
3306 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
3308 # If the command succeeds qemu prints: "OK"
3309 return 1 if $ret =~ m/OK/s;
3311 die "adding drive failed: $ret\n";
3315 my($vmid, $deviceid) = @_;
3317 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
3320 return 1 if $ret eq "";
3322 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3323 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3325 die "deleting drive $deviceid failed : $ret\n";
3328 sub qemu_deviceaddverify
{
3329 my ($vmid, $deviceid) = @_;
3331 for (my $i = 0; $i <= 5; $i++) {
3332 my $devices_list = vm_devices_list
($vmid);
3333 return 1 if defined($devices_list->{$deviceid});
3337 die "error on hotplug device '$deviceid'\n";
3341 sub qemu_devicedelverify
{
3342 my ($vmid, $deviceid) = @_;
3344 # need to verify that the device is correctly removed as device_del
3345 # is async and empty return is not reliable
3347 for (my $i = 0; $i <= 5; $i++) {
3348 my $devices_list = vm_devices_list
($vmid);
3349 return 1 if !defined($devices_list->{$deviceid});
3353 die "error on hot-unplugging device '$deviceid'\n";
3356 sub qemu_findorcreatescsihw
{
3357 my ($storecfg, $conf, $vmid, $device) = @_;
3359 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
3360 my $controller = int($device->{index} / $maxdev);
3361 my $scsihwid="scsihw$controller";
3362 my $devices_list = vm_devices_list
($vmid);
3364 if(!defined($devices_list->{$scsihwid})) {
3365 vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
3371 sub qemu_add_pci_bridge
{
3372 my ($storecfg, $conf, $vmid, $device) = @_;
3378 print_pci_addr
($device, $bridges);
3380 while (my ($k, $v) = each %$bridges) {
3383 return 1 if !defined($bridgeid) || $bridgeid < 1;
3385 my $bridge = "pci.$bridgeid";
3386 my $devices_list = vm_devices_list
($vmid);
3388 if (!defined($devices_list->{$bridge})) {
3389 vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
3395 sub qemu_set_link_status
{
3396 my ($vmid, $device, $up) = @_;
3398 vm_mon_cmd
($vmid, "set_link", name
=> $device,
3399 up
=> $up ? JSON
::true
: JSON
::false
);
3402 sub qemu_netdevadd
{
3403 my ($vmid, $conf, $device, $deviceid) = @_;
3405 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
3406 my %options = split(/[=,]/, $netdev);
3408 vm_mon_cmd
($vmid, "netdev_add", %options);
3412 sub qemu_netdevdel
{
3413 my ($vmid, $deviceid) = @_;
3415 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
3418 sub qemu_cpu_hotplug
{
3419 my ($vmid, $conf, $cores) = @_;
3421 my $sockets = $conf->{sockets
} || 1;
3422 die "cpu hotplug only works with one socket\n"
3425 die "maxcpus is not defined\n"
3426 if !$conf->{maxcpus
};
3428 die "you can't add more cores than maxcpus\n"
3429 if $cores > $conf->{maxcpus
};
3431 my $currentcores = $conf->{cores
} || 1;
3432 die "online cpu unplug is not yet possible\n"
3433 if $cores < $currentcores;
3435 my $currentrunningcores = vm_mon_cmd
($vmid, "query-cpus");
3436 die "cores number if running vm is different than configuration\n"
3437 if scalar(@{$currentrunningcores}) != $currentcores;
3439 for (my $i = $currentcores; $i < $cores; $i++) {
3440 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
3444 sub qemu_block_set_io_throttle
{
3445 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
3447 return if !check_running
($vmid) ;
3449 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($iops_wr));
3453 # old code, only used to shutdown old VM after update
3455 my ($fh, $timeout) = @_;
3457 my $sel = new IO
::Select
;
3464 while (scalar (@ready = $sel->can_read($timeout))) {
3466 if ($count = $fh->sysread($buf, 8192)) {
3467 if ($buf =~ /^(.*)\(qemu\) $/s) {
3474 if (!defined($count)) {
3481 die "monitor read timeout\n" if !scalar(@ready);
3486 # old code, only used to shutdown old VM after update
3487 sub vm_monitor_command
{
3488 my ($vmid, $cmdstr, $nocheck) = @_;
3493 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3495 my $sname = "${var_run_tmpdir}/$vmid.mon";
3497 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3498 die "unable to connect to VM $vmid socket - $!\n";
3502 # hack: migrate sometime blocks the monitor (when migrate_downtime
3504 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3505 $timeout = 60*60; # 1 hour
3509 my $data = __read_avail
($sock, $timeout);
3511 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3512 die "got unexpected qemu monitor banner\n";
3515 my $sel = new IO
::Select
;
3518 if (!scalar(my @ready = $sel->can_write($timeout))) {
3519 die "monitor write error - timeout";
3522 my $fullcmd = "$cmdstr\r";
3524 # syslog('info', "VM $vmid monitor command: $cmdstr");
3527 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3528 die "monitor write error - $!";
3531 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3535 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3536 $timeout = 60*60; # 1 hour
3537 } elsif ($cmdstr =~ m/^(eject|change)/) {
3538 $timeout = 60; # note: cdrom mount command is slow
3540 if ($res = __read_avail
($sock, $timeout)) {
3542 my @lines = split("\r?\n", $res);
3544 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3546 $res = join("\n", @lines);
3554 syslog
("err", "VM $vmid monitor command failed - $err");
3561 sub qemu_block_resize
{
3562 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3564 my $running = check_running
($vmid);
3566 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3568 return if !$running;
3570 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3574 sub qemu_volume_snapshot
{
3575 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3577 my $running = check_running
($vmid);
3579 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3581 return if !$running;
3583 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3587 sub qemu_volume_snapshot_delete
{
3588 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3590 my $running = check_running
($vmid);
3592 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3594 return if !$running;
3596 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3599 sub set_migration_caps
{
3605 "auto-converge" => 1,
3607 "x-rdma-pin-all" => 0,
3611 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3613 for my $supported_capability (@$supported_capabilities) {
3615 capability
=> $supported_capability->{capability
},
3616 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3620 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3623 my $fast_plug_option = {
3631 # hotplug changes in [PENDING]
3632 # $selection hash can be used to only apply specified options, for
3633 # example: { cores => 1 } (only apply changed 'cores')
3634 # $errors ref is used to return error messages
3635 sub vmconfig_hotplug_pending
{
3636 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
3638 my $defaults = load_defaults
();
3640 # commit values which do not have any impact on running VM first
3641 # Note: those option cannot raise errors, we we do not care about
3642 # $selection and always apply them.
3644 my $add_error = sub {
3645 my ($opt, $msg) = @_;
3646 $errors->{$opt} = "hotplug problem - $msg";
3650 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3651 if ($fast_plug_option->{$opt}) {
3652 $conf->{$opt} = $conf->{pending
}->{$opt};
3653 delete $conf->{pending
}->{$opt};
3659 update_config_nolock
($vmid, $conf, 1);
3660 $conf = load_config
($vmid); # update/reload
3663 my $hotplug = hotplug_enabled
($conf);
3665 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3666 foreach my $opt (@delete) {
3667 next if $selection && !$selection->{$opt};
3669 if ($opt eq 'tablet') {
3670 die "skip\n" if !$hotplug;
3671 if ($defaults->{tablet
}) {
3672 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3674 vm_deviceunplug
($vmid, $conf, $opt);
3676 } elsif ($opt eq 'cores') {
3677 die "skip\n" if !$hotplug;
3678 qemu_cpu_hotplug
($vmid, $conf, 1);
3679 } elsif ($opt eq 'balloon') {
3680 # enable balloon device is not hotpluggable
3681 die "skip\n" if !defined($conf->{balloon
}) || $conf->{balloon
};
3682 } elsif ($fast_plug_option->{$opt}) {
3684 } elsif ($opt =~ m/^net(\d+)$/) {
3685 die "skip\n" if !$hotplug;
3686 vm_deviceunplug
($vmid, $conf, $opt);
3687 } elsif (valid_drivename
($opt)) {
3688 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
3689 vm_deviceunplug
($vmid, $conf, $opt);
3690 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}));
3696 &$add_error($opt, $err) if $err ne "skip\n";
3698 # save new config if hotplug was successful
3699 delete $conf->{$opt};
3700 vmconfig_undelete_pending_option
($conf, $opt);
3701 update_config_nolock
($vmid, $conf, 1);
3702 $conf = load_config
($vmid); # update/reload
3706 foreach my $opt (keys %{$conf->{pending
}}) {
3707 next if $selection && !$selection->{$opt};
3708 my $value = $conf->{pending
}->{$opt};
3710 if ($opt eq 'tablet') {
3711 die "skip\n" if !$hotplug;
3713 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3714 } elsif ($value == 0) {
3715 vm_deviceunplug
($vmid, $conf, $opt);
3717 } elsif ($opt eq 'cores') {
3718 die "skip\n" if !$hotplug;
3719 qemu_cpu_hotplug
($vmid, $conf, $value);
3720 } elsif ($opt eq 'balloon') {
3721 # enable/disable balloning device is not hotpluggable
3722 my $old_balloon_enabled = !!(!defined($conf->{balloon
}) || $conf->{balloon
});
3723 my $new_balloon_enabled = !!(!defined($conf->{pending
}->{balloon
}) || $conf->{pending
}->{balloon
});
3724 die "skip\n" if $old_balloon_enabled != $new_balloon_enabled;
3726 # allow manual ballooning if shares is set to zero
3727 if (!(defined($conf->{shares
}) && ($conf->{shares
} == 0))) {
3728 my $balloon = $conf->{pending
}->{balloon
} || $conf->{memory
} || $defaults->{memory
};
3729 vm_mon_cmd
($vmid, "balloon", value
=> $balloon*1024*1024);
3731 } elsif ($opt =~ m/^net(\d+)$/) {
3732 # some changes can be done without hotplug
3733 vmconfig_update_net
($storecfg, $conf, $vmid, $opt, $value);
3734 } elsif (valid_drivename
($opt)) {
3735 # some changes can be done without hotplug
3736 vmconfig_update_disk
($storecfg, $conf, $vmid, $opt, $value, 1);
3738 die "skip\n"; # skip non-hot-pluggable options
3742 &$add_error($opt, $err) if $err ne "skip\n";
3744 # save new config if hotplug was successful
3745 $conf->{$opt} = $value;
3746 delete $conf->{pending
}->{$opt};
3747 update_config_nolock
($vmid, $conf, 1);
3748 $conf = load_config
($vmid); # update/reload
3753 sub vmconfig_apply_pending
{
3754 my ($vmid, $conf, $storecfg) = @_;
3758 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3759 foreach my $opt (@delete) { # delete
3760 die "internal error" if $opt =~ m/^unused/;
3761 $conf = load_config
($vmid); # update/reload
3762 if (!defined($conf->{$opt})) {
3763 vmconfig_undelete_pending_option
($conf, $opt);
3764 update_config_nolock
($vmid, $conf, 1);
3765 } elsif (valid_drivename
($opt)) {
3766 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}));
3767 vmconfig_undelete_pending_option
($conf, $opt);
3768 delete $conf->{$opt};
3769 update_config_nolock
($vmid, $conf, 1);
3771 vmconfig_undelete_pending_option
($conf, $opt);
3772 delete $conf->{$opt};
3773 update_config_nolock
($vmid, $conf, 1);
3777 $conf = load_config
($vmid); # update/reload
3779 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3780 $conf = load_config
($vmid); # update/reload
3782 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending
}->{$opt})) {
3783 # skip if nothing changed
3784 } elsif (valid_drivename
($opt)) {
3785 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}))
3786 if defined($conf->{$opt});
3787 $conf->{$opt} = $conf->{pending
}->{$opt};
3789 $conf->{$opt} = $conf->{pending
}->{$opt};
3792 delete $conf->{pending
}->{$opt};
3793 update_config_nolock
($vmid, $conf, 1);
3797 my $safe_num_ne = sub {
3800 return 0 if !defined($a) && !defined($b);
3801 return 1 if !defined($a);
3802 return 1 if !defined($b);
3807 my $safe_string_ne = sub {
3810 return 0 if !defined($a) && !defined($b);
3811 return 1 if !defined($a);
3812 return 1 if !defined($b);
3817 sub vmconfig_update_net
{
3818 my ($storecfg, $conf, $vmid, $opt, $value) = @_;
3820 my $newnet = parse_net
($value);
3822 my $hotplug = hotplug_enabled
($conf);
3824 if ($conf->{$opt}) {
3825 my $oldnet = parse_net
($conf->{$opt});
3827 if (&$safe_string_ne($oldnet->{model
}, $newnet->{model
}) ||
3828 &$safe_string_ne($oldnet->{macaddr
}, $newnet->{macaddr
}) ||
3829 &$safe_num_ne($oldnet->{queues
}, $newnet->{queues
}) ||
3830 !($newnet->{bridge
} && $oldnet->{bridge
})) { # bridge/nat mode change
3832 # for non online change, we try to hot-unplug
3833 die "skip\n" if !$hotplug;
3834 vm_deviceunplug
($vmid, $conf, $opt);
3837 die "internal error" if $opt !~ m/net(\d+)/;
3838 my $iface = "tap${vmid}i$1";
3840 if (&$safe_num_ne($oldnet->{rate
}, $newnet->{rate
})) {
3841 PVE
::Network
::tap_rate_limit
($iface, $newnet->{rate
});
3844 if (&$safe_string_ne($oldnet->{bridge
}, $newnet->{bridge
}) ||
3845 &$safe_num_ne($oldnet->{tag
}, $newnet->{tag
}) ||
3846 &$safe_num_ne($oldnet->{firewall
}, $newnet->{firewall
})) {
3847 PVE
::Network
::tap_unplug
($iface);
3848 PVE
::Network
::tap_plug
($iface, $newnet->{bridge
}, $newnet->{tag
}, $newnet->{firewall
});
3851 if (&$safe_string_ne($oldnet->{link_down
}, $newnet->{link_down
})) {
3852 qemu_set_link_status
($vmid, $opt, !$newnet->{link_down
});
3860 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $newnet);
3866 sub vmconfig_update_disk
{
3867 my ($storecfg, $conf, $vmid, $opt, $value, $force) = @_;
3869 # fixme: do we need force?
3871 my $drive = parse_drive
($opt, $value);
3873 my $hotplug = hotplug_enabled
($conf);
3875 if ($conf->{$opt}) {
3877 if (my $old_drive = parse_drive
($opt, $conf->{$opt})) {
3879 my $media = $drive->{media
} || 'disk';
3880 my $oldmedia = $old_drive->{media
} || 'disk';
3881 die "unable to change media type\n" if $media ne $oldmedia;
3883 if (!drive_is_cdrom
($old_drive)) {
3885 if ($drive->{file
} ne $old_drive->{file
}) {
3887 die "skip\n" if !$hotplug;
3889 # unplug and register as unused
3890 vm_deviceunplug
($vmid, $conf, $opt);
3891 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, $old_drive)
3894 # update existing disk
3896 # skip non hotpluggable value
3897 if (&$safe_num_ne($drive->{discard
}, $old_drive->{discard
}) ||
3898 &$safe_string_ne($drive->{cache
}, $old_drive->{cache
})) {
3903 if (&$safe_num_ne($drive->{mbps
}, $old_drive->{mbps
}) ||
3904 &$safe_num_ne($drive->{mbps_rd
}, $old_drive->{mbps_rd
}) ||
3905 &$safe_num_ne($drive->{mbps_wr
}, $old_drive->{mbps_wr
}) ||
3906 &$safe_num_ne($drive->{iops
}, $old_drive->{iops
}) ||
3907 &$safe_num_ne($drive->{iops_rd
}, $old_drive->{iops_rd
}) ||
3908 &$safe_num_ne($drive->{iops_wr
}, $old_drive->{iops_wr
}) ||
3909 &$safe_num_ne($drive->{mbps_max
}, $old_drive->{mbps_max
}) ||
3910 &$safe_num_ne($drive->{mbps_rd_max
}, $old_drive->{mbps_rd_max
}) ||
3911 &$safe_num_ne($drive->{mbps_wr_max
}, $old_drive->{mbps_wr_max
}) ||
3912 &$safe_num_ne($drive->{iops_max
}, $old_drive->{iops_max
}) ||
3913 &$safe_num_ne($drive->{iops_rd_max
}, $old_drive->{iops_rd_max
}) ||
3914 &$safe_num_ne($drive->{iops_wr_max
}, $old_drive->{iops_wr_max
})) {
3916 qemu_block_set_io_throttle
($vmid,"drive-$opt",
3917 ($drive->{mbps
} || 0)*1024*1024,
3918 ($drive->{mbps_rd
} || 0)*1024*1024,
3919 ($drive->{mbps_wr
} || 0)*1024*1024,
3920 $drive->{iops
} || 0,
3921 $drive->{iops_rd
} || 0,
3922 $drive->{iops_wr
} || 0,
3923 ($drive->{mbps_max
} || 0)*1024*1024,
3924 ($drive->{mbps_rd_max
} || 0)*1024*1024,
3925 ($drive->{mbps_wr_max
} || 0)*1024*1024,
3926 $drive->{iops_max
} || 0,
3927 $drive->{iops_rd_max
} || 0,
3928 $drive->{iops_wr_max
} || 0);
3938 if (drive_is_cdrom
($drive)) { # cdrom
3940 if ($drive->{file
} eq 'none') {
3941 vm_mon_cmd
($vmid, "eject",force
=> JSON
::true
,device
=> "drive-$opt");
3943 my $path = get_iso_path
($storecfg, $vmid, $drive->{file
});
3944 vm_mon_cmd
($vmid, "eject", force
=> JSON
::true
,device
=> "drive-$opt"); # force eject if locked
3945 vm_mon_cmd
($vmid, "change", device
=> "drive-$opt",target
=> "$path") if $path;
3949 die "skip\n" if !$hotplug || $opt =~ m/(ide|sata)(\d+)/;
3951 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $drive);
3956 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3958 lock_config
($vmid, sub {
3959 my $conf = load_config
($vmid, $migratedfrom);
3961 die "you can't start a vm if it's a template\n" if is_template
($conf);
3963 check_lock
($conf) if !$skiplock;
3965 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3967 if (!$statefile && scalar(keys %{$conf->{pending
}})) {
3968 vmconfig_apply_pending
($vmid, $conf, $storecfg);
3969 $conf = load_config
($vmid); # update/reload
3972 my $defaults = load_defaults
();
3974 # set environment variable useful inside network script
3975 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3977 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3979 my $migrate_port = 0;
3982 if ($statefile eq 'tcp') {
3983 my $localip = "localhost";
3984 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3985 if ($datacenterconf->{migration_unsecure
}) {
3986 my $nodename = PVE
::INotify
::nodename
();
3987 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3989 $migrate_port = PVE
::Tools
::next_migrate_port
();
3990 $migrate_uri = "tcp:${localip}:${migrate_port}";
3991 push @$cmd, '-incoming', $migrate_uri;
3994 push @$cmd, '-loadstate', $statefile;
4001 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
4002 my $d = parse_hostpci
($conf->{"hostpci$i"});
4004 my $pcidevices = $d->{pciid
};
4005 foreach my $pcidevice (@$pcidevices) {
4006 my $pciid = $pcidevice->{id
}.".".$pcidevice->{function
};
4008 my $info = pci_device_info
("0000:$pciid");
4009 die "IOMMU not present\n" if !check_iommu_support
();
4010 die "no pci device info for device '$pciid'\n" if !$info;
4012 if ($d->{driver
} && $d->{driver
} eq "vfio") {
4013 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio
($pciid);
4015 die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub
($info);
4018 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset
} and !pci_dev_reset
($info);
4022 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
4024 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
4027 die "start failed: $err" if $err;
4029 print "migration listens on $migrate_uri\n" if $migrate_uri;
4031 if ($statefile && $statefile ne 'tcp') {
4032 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
4036 if ($migratedfrom) {
4039 set_migration_caps
($vmid);
4044 print "spice listens on port $spice_port\n";
4045 if ($spice_ticket) {
4046 vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
4047 vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
4053 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
4054 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
4055 if $conf->{balloon
};
4056 vm_mon_cmd_nocheck
($vmid, 'qom-set',
4057 path
=> "machine/peripheral/balloon0",
4058 property
=> "guest-stats-polling-interval",
4062 foreach my $opt (keys %$conf) {
4063 next if $opt !~ m/^net\d+$/;
4064 my $nicconf = parse_net
($conf->{$opt});
4065 qemu_set_link_status
($vmid, $opt, 0) if $nicconf->{link_down
};
4072 my ($vmid, $execute, %params) = @_;
4074 my $cmd = { execute
=> $execute, arguments
=> \
%params };
4075 vm_qmp_command
($vmid, $cmd);
4078 sub vm_mon_cmd_nocheck
{
4079 my ($vmid, $execute, %params) = @_;
4081 my $cmd = { execute
=> $execute, arguments
=> \
%params };
4082 vm_qmp_command
($vmid, $cmd, 1);
4085 sub vm_qmp_command
{
4086 my ($vmid, $cmd, $nocheck) = @_;
4091 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
4092 $timeout = $cmd->{arguments
}->{timeout
};
4093 delete $cmd->{arguments
}->{timeout
};
4097 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
4098 my $sname = qmp_socket
($vmid);
4099 if (-e
$sname) { # test if VM is reasonambe new and supports qmp/qga
4100 my $qmpclient = PVE
::QMPClient-
>new();
4102 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
4103 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
4104 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
4105 if scalar(%{$cmd->{arguments
}});
4106 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
4108 die "unable to open monitor socket\n";
4112 syslog
("err", "VM $vmid qmp command failed - $err");
4119 sub vm_human_monitor_command
{
4120 my ($vmid, $cmdline) = @_;
4125 execute
=> 'human-monitor-command',
4126 arguments
=> { 'command-line' => $cmdline},
4129 return vm_qmp_command
($vmid, $cmd);
4132 sub vm_commandline
{
4133 my ($storecfg, $vmid) = @_;
4135 my $conf = load_config
($vmid);
4137 my $defaults = load_defaults
();
4139 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
4141 return join(' ', @$cmd);
4145 my ($vmid, $skiplock) = @_;
4147 lock_config
($vmid, sub {
4149 my $conf = load_config
($vmid);
4151 check_lock
($conf) if !$skiplock;
4153 vm_mon_cmd
($vmid, "system_reset");
4157 sub get_vm_volumes
{
4161 foreach_volid
($conf, sub {
4162 my ($volid, $is_cdrom) = @_;
4164 return if $volid =~ m
|^/|;
4166 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4169 push @$vollist, $volid;
4175 sub vm_stop_cleanup
{
4176 my ($storecfg, $vmid, $conf, $keepActive) = @_;
4179 fairsched_rmnod
($vmid); # try to destroy group
4182 my $vollist = get_vm_volumes
($conf);
4183 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
4186 foreach my $ext (qw(mon qmp pid vnc qga)) {
4187 unlink "/var/run/qemu-server/${vmid}.$ext";
4190 warn $@ if $@; # avoid errors - just warn
4193 # Note: use $nockeck to skip tests if VM configuration file exists.
4194 # We need that when migration VMs to other nodes (files already moved)
4195 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4197 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4199 $force = 1 if !defined($force) && !$shutdown;
4202 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
4203 kill 15, $pid if $pid;
4204 my $conf = load_config
($vmid, $migratedfrom);
4205 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
4209 lock_config
($vmid, sub {
4211 my $pid = check_running
($vmid, $nocheck);
4216 $conf = load_config
($vmid);
4217 check_lock
($conf) if !$skiplock;
4218 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
4219 my $opts = parse_startup
($conf->{startup
});
4220 $timeout = $opts->{down
} if $opts->{down
};
4224 $timeout = 60 if !defined($timeout);
4228 if (defined($conf) && $conf->{agent
}) {
4229 vm_qmp_command
($vmid, { execute
=> "guest-shutdown" }, $nocheck);
4231 vm_qmp_command
($vmid, { execute
=> "system_powerdown" }, $nocheck);
4234 vm_qmp_command
($vmid, { execute
=> "quit" }, $nocheck);
4241 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4246 if ($count >= $timeout) {
4248 warn "VM still running - terminating now with SIGTERM\n";
4251 die "VM quit/powerdown failed - got timeout\n";
4254 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
4259 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4262 die "VM quit/powerdown failed\n";
4270 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4275 if ($count >= $timeout) {
4276 warn "VM still running - terminating now with SIGKILL\n";
4281 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
4286 my ($vmid, $skiplock) = @_;
4288 lock_config
($vmid, sub {
4290 my $conf = load_config
($vmid);
4292 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4294 vm_mon_cmd
($vmid, "stop");
4299 my ($vmid, $skiplock) = @_;
4301 lock_config
($vmid, sub {
4303 my $conf = load_config
($vmid);
4305 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4307 vm_mon_cmd
($vmid, "cont");
4312 my ($vmid, $skiplock, $key) = @_;
4314 lock_config
($vmid, sub {
4316 my $conf = load_config
($vmid);
4318 # there is no qmp command, so we use the human monitor command
4319 vm_human_monitor_command
($vmid, "sendkey $key");
4324 my ($storecfg, $vmid, $skiplock) = @_;
4326 lock_config
($vmid, sub {
4328 my $conf = load_config
($vmid);
4330 check_lock
($conf) if !$skiplock;
4332 if (!check_running
($vmid)) {
4333 fairsched_rmnod
($vmid); # try to destroy group
4334 destroy_vm
($storecfg, $vmid);
4336 die "VM $vmid is running - destroy failed\n";
4344 my ($filename, $buf) = @_;
4346 my $fh = IO
::File-
>new($filename, "w");
4347 return undef if !$fh;
4349 my $res = print $fh $buf;
4356 sub pci_device_info
{
4361 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
4362 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
4364 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
4365 return undef if !defined($irq) || $irq !~ m/^\d+$/;
4367 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
4368 return undef if !defined($vendor) || $vendor !~ s/^0x//;
4370 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
4371 return undef if !defined($product) || $product !~ s/^0x//;
4376 product
=> $product,
4382 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
4391 my $name = $dev->{name
};
4393 my $fn = "$pcisysfs/devices/$name/reset";
4395 return file_write
($fn, "1");
4398 sub pci_dev_bind_to_stub
{
4401 my $name = $dev->{name
};
4403 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
4404 return 1 if -d
$testdir;
4406 my $data = "$dev->{vendor} $dev->{product}";
4407 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
4409 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4410 if (!file_write
($fn, $name)) {
4411 return undef if -f
$fn;
4414 $fn = "$pcisysfs/drivers/pci-stub/bind";
4415 if (! -d
$testdir) {
4416 return undef if !file_write
($fn, $name);
4422 sub pci_dev_bind_to_vfio
{
4425 my $name = $dev->{name
};
4427 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4429 if (!-d
$vfio_basedir) {
4430 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4432 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4434 my $testdir = "$vfio_basedir/$name";
4435 return 1 if -d
$testdir;
4437 my $data = "$dev->{vendor} $dev->{product}";
4438 return undef if !file_write
("$vfio_basedir/new_id", $data);
4440 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4441 if (!file_write
($fn, $name)) {
4442 return undef if -f
$fn;
4445 $fn = "$vfio_basedir/bind";
4446 if (! -d
$testdir) {
4447 return undef if !file_write
($fn, $name);
4453 sub pci_dev_group_bind_to_vfio
{
4456 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4458 if (!-d
$vfio_basedir) {
4459 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4461 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4463 # get IOMMU group devices
4464 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
4465 my @devs = grep /^0000:/, readdir($D);
4468 foreach my $pciid (@devs) {
4469 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
4470 my $info = pci_device_info
($1);
4471 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
4477 sub print_pci_addr
{
4478 my ($id, $bridges) = @_;
4482 piix3
=> { bus
=> 0, addr
=> 1 },
4483 #addr2 : first videocard
4484 balloon0
=> { bus
=> 0, addr
=> 3 },
4485 watchdog
=> { bus
=> 0, addr
=> 4 },
4486 scsihw0
=> { bus
=> 0, addr
=> 5 },
4487 scsihw1
=> { bus
=> 0, addr
=> 6 },
4488 ahci0
=> { bus
=> 0, addr
=> 7 },
4489 qga0
=> { bus
=> 0, addr
=> 8 },
4490 spice
=> { bus
=> 0, addr
=> 9 },
4491 virtio0
=> { bus
=> 0, addr
=> 10 },
4492 virtio1
=> { bus
=> 0, addr
=> 11 },
4493 virtio2
=> { bus
=> 0, addr
=> 12 },
4494 virtio3
=> { bus
=> 0, addr
=> 13 },
4495 virtio4
=> { bus
=> 0, addr
=> 14 },
4496 virtio5
=> { bus
=> 0, addr
=> 15 },
4497 hostpci0
=> { bus
=> 0, addr
=> 16 },
4498 hostpci1
=> { bus
=> 0, addr
=> 17 },
4499 net0
=> { bus
=> 0, addr
=> 18 },
4500 net1
=> { bus
=> 0, addr
=> 19 },
4501 net2
=> { bus
=> 0, addr
=> 20 },
4502 net3
=> { bus
=> 0, addr
=> 21 },
4503 net4
=> { bus
=> 0, addr
=> 22 },
4504 net5
=> { bus
=> 0, addr
=> 23 },
4505 vga1
=> { bus
=> 0, addr
=> 24 },
4506 vga2
=> { bus
=> 0, addr
=> 25 },
4507 vga3
=> { bus
=> 0, addr
=> 26 },
4508 hostpci2
=> { bus
=> 0, addr
=> 27 },
4509 hostpci3
=> { bus
=> 0, addr
=> 28 },
4510 #addr29 : usb-host (pve-usb.cfg)
4511 'pci.1' => { bus
=> 0, addr
=> 30 },
4512 'pci.2' => { bus
=> 0, addr
=> 31 },
4513 'net6' => { bus
=> 1, addr
=> 1 },
4514 'net7' => { bus
=> 1, addr
=> 2 },
4515 'net8' => { bus
=> 1, addr
=> 3 },
4516 'net9' => { bus
=> 1, addr
=> 4 },
4517 'net10' => { bus
=> 1, addr
=> 5 },
4518 'net11' => { bus
=> 1, addr
=> 6 },
4519 'net12' => { bus
=> 1, addr
=> 7 },
4520 'net13' => { bus
=> 1, addr
=> 8 },
4521 'net14' => { bus
=> 1, addr
=> 9 },
4522 'net15' => { bus
=> 1, addr
=> 10 },
4523 'net16' => { bus
=> 1, addr
=> 11 },
4524 'net17' => { bus
=> 1, addr
=> 12 },
4525 'net18' => { bus
=> 1, addr
=> 13 },
4526 'net19' => { bus
=> 1, addr
=> 14 },
4527 'net20' => { bus
=> 1, addr
=> 15 },
4528 'net21' => { bus
=> 1, addr
=> 16 },
4529 'net22' => { bus
=> 1, addr
=> 17 },
4530 'net23' => { bus
=> 1, addr
=> 18 },
4531 'net24' => { bus
=> 1, addr
=> 19 },
4532 'net25' => { bus
=> 1, addr
=> 20 },
4533 'net26' => { bus
=> 1, addr
=> 21 },
4534 'net27' => { bus
=> 1, addr
=> 22 },
4535 'net28' => { bus
=> 1, addr
=> 23 },
4536 'net29' => { bus
=> 1, addr
=> 24 },
4537 'net30' => { bus
=> 1, addr
=> 25 },
4538 'net31' => { bus
=> 1, addr
=> 26 },
4539 'virtio6' => { bus
=> 2, addr
=> 1 },
4540 'virtio7' => { bus
=> 2, addr
=> 2 },
4541 'virtio8' => { bus
=> 2, addr
=> 3 },
4542 'virtio9' => { bus
=> 2, addr
=> 4 },
4543 'virtio10' => { bus
=> 2, addr
=> 5 },
4544 'virtio11' => { bus
=> 2, addr
=> 6 },
4545 'virtio12' => { bus
=> 2, addr
=> 7 },
4546 'virtio13' => { bus
=> 2, addr
=> 8 },
4547 'virtio14' => { bus
=> 2, addr
=> 9 },
4548 'virtio15' => { bus
=> 2, addr
=> 10 },
4551 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4552 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4553 my $bus = $devices->{$id}->{bus
};
4554 $res = ",bus=pci.$bus,addr=$addr";
4555 $bridges->{$bus} = 1 if $bridges;
4561 sub print_pcie_addr
{
4566 hostpci0
=> { bus
=> "ich9-pcie-port-1", addr
=> 0 },
4567 hostpci1
=> { bus
=> "ich9-pcie-port-2", addr
=> 0 },
4568 hostpci2
=> { bus
=> "ich9-pcie-port-3", addr
=> 0 },
4569 hostpci3
=> { bus
=> "ich9-pcie-port-4", addr
=> 0 },
4572 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4573 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4574 my $bus = $devices->{$id}->{bus
};
4575 $res = ",bus=$bus,addr=$addr";
4581 # vzdump restore implementaion
4583 sub tar_archive_read_firstfile
{
4584 my $archive = shift;
4586 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
4588 # try to detect archive type first
4589 my $pid = open (TMP
, "tar tf '$archive'|") ||
4590 die "unable to open file '$archive'\n";
4591 my $firstfile = <TMP
>;
4595 die "ERROR: archive contaions no data\n" if !$firstfile;
4601 sub tar_restore_cleanup
{
4602 my ($storecfg, $statfile) = @_;
4604 print STDERR
"starting cleanup\n";
4606 if (my $fd = IO
::File-
>new($statfile, "r")) {
4607 while (defined(my $line = <$fd>)) {
4608 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4611 if ($volid =~ m
|^/|) {
4612 unlink $volid || die 'unlink failed\n';
4614 PVE
::Storage
::vdisk_free
($storecfg, $volid);
4616 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4618 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4620 print STDERR
"unable to parse line in statfile - $line";
4627 sub restore_archive
{
4628 my ($archive, $vmid, $user, $opts) = @_;
4630 my $format = $opts->{format
};
4633 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
4634 $format = 'tar' if !$format;
4636 } elsif ($archive =~ m/\.tar$/) {
4637 $format = 'tar' if !$format;
4638 } elsif ($archive =~ m/.tar.lzo$/) {
4639 $format = 'tar' if !$format;
4641 } elsif ($archive =~ m/\.vma$/) {
4642 $format = 'vma' if !$format;
4643 } elsif ($archive =~ m/\.vma\.gz$/) {
4644 $format = 'vma' if !$format;
4646 } elsif ($archive =~ m/\.vma\.lzo$/) {
4647 $format = 'vma' if !$format;
4650 $format = 'vma' if !$format; # default
4653 # try to detect archive format
4654 if ($format eq 'tar') {
4655 return restore_tar_archive
($archive, $vmid, $user, $opts);
4657 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
4661 sub restore_update_config_line
{
4662 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
4664 return if $line =~ m/^\#qmdump\#/;
4665 return if $line =~ m/^\#vzdump\#/;
4666 return if $line =~ m/^lock:/;
4667 return if $line =~ m/^unused\d+:/;
4668 return if $line =~ m/^parent:/;
4669 return if $line =~ m/^template:/; # restored VM is never a template
4671 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
4672 # try to convert old 1.X settings
4673 my ($id, $ind, $ethcfg) = ($1, $2, $3);
4674 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
4675 my ($model, $macaddr) = split(/\=/, $devconfig);
4676 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
4679 bridge
=> "vmbr$ind",
4680 macaddr
=> $macaddr,
4682 my $netstr = print_net
($net);
4684 print $outfd "net$cookie->{netcount}: $netstr\n";
4685 $cookie->{netcount
}++;
4687 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
4688 my ($id, $netstr) = ($1, $2);
4689 my $net = parse_net
($netstr);
4690 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
4691 $netstr = print_net
($net);
4692 print $outfd "$id: $netstr\n";
4693 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
4696 if ($line =~ m/backup=no/) {
4697 print $outfd "#$line";
4698 } elsif ($virtdev && $map->{$virtdev}) {
4699 my $di = parse_drive
($virtdev, $value);
4700 delete $di->{format
}; # format can change on restore
4701 $di->{file
} = $map->{$virtdev};
4702 $value = print_drive
($vmid, $di);
4703 print $outfd "$virtdev: $value\n";
4713 my ($cfg, $vmid) = @_;
4715 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
4717 my $volid_hash = {};
4718 foreach my $storeid (keys %$info) {
4719 foreach my $item (@{$info->{$storeid}}) {
4720 next if !($item->{volid
} && $item->{size
});
4721 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
4722 $volid_hash->{$item->{volid
}} = $item;
4729 sub get_used_paths
{
4730 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
4734 my $scan_config = sub {
4735 my ($cref, $snapname) = @_;
4737 foreach my $key (keys %$cref) {
4738 my $value = $cref->{$key};
4739 if (valid_drivename
($key)) {
4740 next if $skip_drive && $key eq $skip_drive;
4741 my $drive = parse_drive
($key, $value);
4742 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
4743 if ($drive->{file
} =~ m!^/!) {
4744 $used_path->{$drive->{file
}}++; # = 1;
4746 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
4748 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
4750 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
4751 $used_path->{$path}++; # = 1;
4757 &$scan_config($conf);
4761 if ($scan_snapshots) {
4762 foreach my $snapname (keys %{$conf->{snapshots
}}) {
4763 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
4770 sub update_disksize
{
4771 my ($vmid, $conf, $volid_hash) = @_;
4777 # Note: it is allowed to define multiple storages with same path (alias), so
4778 # we need to check both 'volid' and real 'path' (two different volid can point
4779 # to the same path).
4784 foreach my $opt (keys %$conf) {
4785 if (valid_drivename
($opt)) {
4786 my $drive = parse_drive
($opt, $conf->{$opt});
4787 my $volid = $drive->{file
};
4790 $used->{$volid} = 1;
4791 if ($volid_hash->{$volid} &&
4792 (my $path = $volid_hash->{$volid}->{path
})) {
4793 $usedpath->{$path} = 1;
4796 next if drive_is_cdrom
($drive);
4797 next if !$volid_hash->{$volid};
4799 $drive->{size
} = $volid_hash->{$volid}->{size
};
4800 my $new = print_drive
($vmid, $drive);
4801 if ($new ne $conf->{$opt}) {
4803 $conf->{$opt} = $new;
4808 # remove 'unusedX' entry if volume is used
4809 foreach my $opt (keys %$conf) {
4810 next if $opt !~ m/^unused\d+$/;
4811 my $volid = $conf->{$opt};
4812 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
4813 if ($used->{$volid} || ($path && $usedpath->{$path})) {
4815 delete $conf->{$opt};
4819 foreach my $volid (sort keys %$volid_hash) {
4820 next if $volid =~ m/vm-$vmid-state-/;
4821 next if $used->{$volid};
4822 my $path = $volid_hash->{$volid}->{path
};
4823 next if !$path; # just to be sure
4824 next if $usedpath->{$path};
4826 add_unused_volume
($conf, $volid);
4827 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
4834 my ($vmid, $nolock) = @_;
4836 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
4838 my $volid_hash = scan_volids
($cfg, $vmid);
4840 my $updatefn = sub {
4843 my $conf = load_config
($vmid);
4848 foreach my $volid (keys %$volid_hash) {
4849 my $info = $volid_hash->{$volid};
4850 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
4853 my $changes = update_disksize
($vmid, $conf, $vm_volids);
4855 update_config_nolock
($vmid, $conf, 1) if $changes;
4858 if (defined($vmid)) {
4862 lock_config
($vmid, $updatefn, $vmid);
4865 my $vmlist = config_list
();
4866 foreach my $vmid (keys %$vmlist) {
4870 lock_config
($vmid, $updatefn, $vmid);
4876 sub restore_vma_archive
{
4877 my ($archive, $vmid, $user, $opts, $comp) = @_;
4879 my $input = $archive eq '-' ?
"<&STDIN" : undef;
4880 my $readfrom = $archive;
4885 my $qarchive = PVE
::Tools
::shellquote
($archive);
4886 if ($comp eq 'gzip') {
4887 $uncomp = "zcat $qarchive|";
4888 } elsif ($comp eq 'lzop') {
4889 $uncomp = "lzop -d -c $qarchive|";
4891 die "unknown compression method '$comp'\n";
4896 my $tmpdir = "/var/tmp/vzdumptmp$$";
4899 # disable interrupts (always do cleanups)
4900 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4901 warn "got interrupt - ignored\n";
4904 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
4905 POSIX
::mkfifo
($mapfifo, 0600);
4908 my $openfifo = sub {
4909 open($fifofh, '>', $mapfifo) || die $!;
4912 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
4919 my $rpcenv = PVE
::RPCEnvironment
::get
();
4921 my $conffile = config_file
($vmid);
4922 my $tmpfn = "$conffile.$$.tmp";
4924 # Note: $oldconf is undef if VM does not exists
4925 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
4927 my $print_devmap = sub {
4928 my $virtdev_hash = {};
4930 my $cfgfn = "$tmpdir/qemu-server.conf";
4932 # we can read the config - that is already extracted
4933 my $fh = IO
::File-
>new($cfgfn, "r") ||
4934 "unable to read qemu-server.conf - $!\n";
4936 while (defined(my $line = <$fh>)) {
4937 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
4938 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
4939 die "archive does not contain data for drive '$virtdev'\n"
4940 if !$devinfo->{$devname};
4941 if (defined($opts->{storage
})) {
4942 $storeid = $opts->{storage
} || 'local';
4943 } elsif (!$storeid) {
4946 $format = 'raw' if !$format;
4947 $devinfo->{$devname}->{devname
} = $devname;
4948 $devinfo->{$devname}->{virtdev
} = $virtdev;
4949 $devinfo->{$devname}->{format
} = $format;
4950 $devinfo->{$devname}->{storeid
} = $storeid;
4952 # check permission on storage
4953 my $pool = $opts->{pool
}; # todo: do we need that?
4954 if ($user ne 'root@pam') {
4955 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
4958 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4962 foreach my $devname (keys %$devinfo) {
4963 die "found no device mapping information for device '$devname'\n"
4964 if !$devinfo->{$devname}->{virtdev
};
4967 my $cfg = cfs_read_file
('storage.cfg');
4969 # create empty/temp config
4971 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4972 foreach_drive
($oldconf, sub {
4973 my ($ds, $drive) = @_;
4975 return if drive_is_cdrom
($drive);
4977 my $volid = $drive->{file
};
4979 return if !$volid || $volid =~ m
|^/|;
4981 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4982 return if !$path || !$owner || ($owner != $vmid);
4984 # Note: only delete disk we want to restore
4985 # other volumes will become unused
4986 if ($virtdev_hash->{$ds}) {
4987 PVE
::Storage
::vdisk_free
($cfg, $volid);
4993 foreach my $virtdev (sort keys %$virtdev_hash) {
4994 my $d = $virtdev_hash->{$virtdev};
4995 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4996 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4998 # test if requested format is supported
4999 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
5000 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
5001 $d->{format
} = $defFormat if !$supported;
5003 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
5004 $d->{format
}, undef, $alloc_size);
5005 print STDERR
"new volume ID is '$volid'\n";
5006 $d->{volid
} = $volid;
5007 my $path = PVE
::Storage
::path
($cfg, $volid);
5009 my $write_zeros = 1;
5010 # fixme: what other storages types initialize volumes with zero?
5011 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
5012 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
5016 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
5018 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
5019 $map->{$virtdev} = $volid;
5022 $fh->seek(0, 0) || die "seek failed - $!\n";
5024 my $outfd = new IO
::File
($tmpfn, "w") ||
5025 die "unable to write config for VM $vmid\n";
5027 my $cookie = { netcount
=> 0 };
5028 while (defined(my $line = <$fh>)) {
5029 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5038 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5039 die "interrupted by signal\n";
5041 local $SIG{ALRM
} = sub { die "got timeout\n"; };
5043 $oldtimeout = alarm($timeout);
5050 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
5051 my ($dev_id, $size, $devname) = ($1, $2, $3);
5052 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
5053 } elsif ($line =~ m/^CTIME: /) {
5054 # we correctly received the vma config, so we can disable
5055 # the timeout now for disk allocation (set to 10 minutes, so
5056 # that we always timeout if something goes wrong)
5059 print $fifofh "done\n";
5060 my $tmp = $oldtimeout || 0;
5061 $oldtimeout = undef;
5067 print "restore vma archive: $cmd\n";
5068 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
5072 alarm($oldtimeout) if $oldtimeout;
5080 my $cfg = cfs_read_file
('storage.cfg');
5081 foreach my $devname (keys %$devinfo) {
5082 my $volid = $devinfo->{$devname}->{volid
};
5085 if ($volid =~ m
|^/|) {
5086 unlink $volid || die 'unlink failed\n';
5088 PVE
::Storage
::vdisk_free
($cfg, $volid);
5090 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
5092 print STDERR
"unable to cleanup '$volid' - $@" if $@;
5099 rename($tmpfn, $conffile) ||
5100 die "unable to commit configuration file '$conffile'\n";
5102 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5104 eval { rescan
($vmid, 1); };
5108 sub restore_tar_archive
{
5109 my ($archive, $vmid, $user, $opts) = @_;
5111 if ($archive ne '-') {
5112 my $firstfile = tar_archive_read_firstfile
($archive);
5113 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
5114 if $firstfile ne 'qemu-server.conf';
5117 my $storecfg = cfs_read_file
('storage.cfg');
5119 # destroy existing data - keep empty config
5120 my $vmcfgfn = config_file
($vmid);
5121 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
5123 my $tocmd = "/usr/lib/qemu-server/qmextract";
5125 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
5126 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
5127 $tocmd .= ' --prealloc' if $opts->{prealloc
};
5128 $tocmd .= ' --info' if $opts->{info
};
5130 # tar option "xf" does not autodetect compression when read from STDIN,
5131 # so we pipe to zcat
5132 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
5133 PVE
::Tools
::shellquote
("--to-command=$tocmd");
5135 my $tmpdir = "/var/tmp/vzdumptmp$$";
5138 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
5139 local $ENV{VZDUMP_VMID
} = $vmid;
5140 local $ENV{VZDUMP_USER
} = $user;
5142 my $conffile = config_file
($vmid);
5143 my $tmpfn = "$conffile.$$.tmp";
5145 # disable interrupts (always do cleanups)
5146 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
5147 print STDERR
"got interrupt - ignored\n";
5152 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
5153 die "interrupted by signal\n";
5156 if ($archive eq '-') {
5157 print "extracting archive from STDIN\n";
5158 run_command
($cmd, input
=> "<&STDIN");
5160 print "extracting archive '$archive'\n";
5164 return if $opts->{info
};
5168 my $statfile = "$tmpdir/qmrestore.stat";
5169 if (my $fd = IO
::File-
>new($statfile, "r")) {
5170 while (defined (my $line = <$fd>)) {
5171 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5172 $map->{$1} = $2 if $1;
5174 print STDERR
"unable to parse line in statfile - $line\n";
5180 my $confsrc = "$tmpdir/qemu-server.conf";
5182 my $srcfd = new IO
::File
($confsrc, "r") ||
5183 die "unable to open file '$confsrc'\n";
5185 my $outfd = new IO
::File
($tmpfn, "w") ||
5186 die "unable to write config for VM $vmid\n";
5188 my $cookie = { netcount
=> 0 };
5189 while (defined (my $line = <$srcfd>)) {
5190 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5202 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
5209 rename $tmpfn, $conffile ||
5210 die "unable to commit configuration file '$conffile'\n";
5212 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5214 eval { rescan
($vmid, 1); };
5219 # Internal snapshots
5221 # NOTE: Snapshot create/delete involves several non-atomic
5222 # action, and can take a long time.
5223 # So we try to avoid locking the file and use 'lock' variable
5224 # inside the config file instead.
5226 my $snapshot_copy_config = sub {
5227 my ($source, $dest) = @_;
5229 foreach my $k (keys %$source) {
5230 next if $k eq 'snapshots';
5231 next if $k eq 'snapstate';
5232 next if $k eq 'snaptime';
5233 next if $k eq 'vmstate';
5234 next if $k eq 'lock';
5235 next if $k eq 'digest';
5236 next if $k eq 'description';
5237 next if $k =~ m/^unused\d+$/;
5239 $dest->{$k} = $source->{$k};
5243 my $snapshot_apply_config = sub {
5244 my ($conf, $snap) = @_;
5246 # copy snapshot list
5248 snapshots
=> $conf->{snapshots
},
5251 # keep description and list of unused disks
5252 foreach my $k (keys %$conf) {
5253 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
5254 $newconf->{$k} = $conf->{$k};
5257 &$snapshot_copy_config($snap, $newconf);
5262 sub foreach_writable_storage
{
5263 my ($conf, $func) = @_;
5267 foreach my $ds (keys %$conf) {
5268 next if !valid_drivename
($ds);
5270 my $drive = parse_drive
($ds, $conf->{$ds});
5272 next if drive_is_cdrom
($drive);
5274 my $volid = $drive->{file
};
5276 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
5277 $sidhash->{$sid} = $sid if $sid;
5280 foreach my $sid (sort keys %$sidhash) {
5285 my $alloc_vmstate_volid = sub {
5286 my ($storecfg, $vmid, $conf, $snapname) = @_;
5288 # Note: we try to be smart when selecting a $target storage
5292 # search shared storage first
5293 foreach_writable_storage
($conf, sub {
5295 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5296 return if !$scfg->{shared
};
5298 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
5302 # now search local storage
5303 foreach_writable_storage
($conf, sub {
5305 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5306 return if $scfg->{shared
};
5308 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
5312 $target = 'local' if !$target;
5314 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
5315 # we abort live save after $conf->{memory}, so we need at max twice that space
5316 my $size = $conf->{memory
}*2 + $driver_state_size;
5318 my $name = "vm-$vmid-state-$snapname";
5319 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
5320 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
5321 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
5326 my $snapshot_prepare = sub {
5327 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5331 my $updatefn = sub {
5333 my $conf = load_config
($vmid);
5335 die "you can't take a snapshot if it's a template\n"
5336 if is_template
($conf);
5340 $conf->{lock} = 'snapshot';
5342 die "snapshot name '$snapname' already used\n"
5343 if defined($conf->{snapshots
}->{$snapname});
5345 my $storecfg = PVE
::Storage
::config
();
5346 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
5348 $snap = $conf->{snapshots
}->{$snapname} = {};
5350 if ($save_vmstate && check_running
($vmid)) {
5351 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
5354 &$snapshot_copy_config($conf, $snap);
5356 $snap->{snapstate
} = "prepare";
5357 $snap->{snaptime
} = time();
5358 $snap->{description
} = $comment if $comment;
5360 # always overwrite machine if we save vmstate. This makes sure we
5361 # can restore it later using correct machine type
5362 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
5364 update_config_nolock
($vmid, $conf, 1);
5367 lock_config
($vmid, $updatefn);
5372 my $snapshot_commit = sub {
5373 my ($vmid, $snapname) = @_;
5375 my $updatefn = sub {
5377 my $conf = load_config
($vmid);
5379 die "missing snapshot lock\n"
5380 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
5382 my $has_machine_config = defined($conf->{machine
});
5384 my $snap = $conf->{snapshots
}->{$snapname};
5386 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5388 die "wrong snapshot state\n"
5389 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
5391 delete $snap->{snapstate
};
5392 delete $conf->{lock};
5394 my $newconf = &$snapshot_apply_config($conf, $snap);
5396 delete $newconf->{machine
} if !$has_machine_config;
5398 $newconf->{parent
} = $snapname;
5400 update_config_nolock
($vmid, $newconf, 1);
5403 lock_config
($vmid, $updatefn);
5406 sub snapshot_rollback
{
5407 my ($vmid, $snapname) = @_;
5413 my $storecfg = PVE
::Storage
::config
();
5415 my $updatefn = sub {
5417 my $conf = load_config
($vmid);
5419 die "you can't rollback if vm is a template\n" if is_template
($conf);
5421 $snap = $conf->{snapshots
}->{$snapname};
5423 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5425 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
5426 if $snap->{snapstate
};
5430 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
5433 die "unable to rollback vm $vmid: vm is running\n"
5434 if check_running
($vmid);
5437 $conf->{lock} = 'rollback';
5439 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
5440 delete $conf->{lock};
5446 my $has_machine_config = defined($conf->{machine
});
5448 # copy snapshot config to current config
5449 $conf = &$snapshot_apply_config($conf, $snap);
5450 $conf->{parent
} = $snapname;
5452 # Note: old code did not store 'machine', so we try to be smart
5453 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
5454 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
5455 # we remove the 'machine' configuration if not explicitly specified
5456 # in the original config.
5457 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
5460 update_config_nolock
($vmid, $conf, 1);
5462 if (!$prepare && $snap->{vmstate
}) {
5463 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5464 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
5468 lock_config
($vmid, $updatefn);
5470 foreach_drive
($snap, sub {
5471 my ($ds, $drive) = @_;
5473 return if drive_is_cdrom
($drive);
5475 my $volid = $drive->{file
};
5476 my $device = "drive-$ds";
5478 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
5482 lock_config
($vmid, $updatefn);
5485 my $savevm_wait = sub {
5489 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5490 if (!$stat->{status
}) {
5491 die "savevm not active\n";
5492 } elsif ($stat->{status
} eq 'active') {
5495 } elsif ($stat->{status
} eq 'completed') {
5498 die "query-savevm returned status '$stat->{status}'\n";
5503 sub snapshot_create
{
5504 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5506 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
5508 $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
5510 my $config = load_config
($vmid);
5512 my $running = check_running
($vmid);
5514 my $freezefs = $running && $config->{agent
};
5515 $freezefs = 0 if $snap->{vmstate
}; # not needed if we save RAM
5520 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
5521 warn "guest-fsfreeze-freeze problems - $@" if $@;
5525 # create internal snapshots of all drives
5527 my $storecfg = PVE
::Storage
::config
();
5530 if ($snap->{vmstate
}) {
5531 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5532 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
5533 &$savevm_wait($vmid);
5535 vm_mon_cmd
($vmid, "savevm-start");
5539 foreach_drive
($snap, sub {
5540 my ($ds, $drive) = @_;
5542 return if drive_is_cdrom
($drive);
5544 my $volid = $drive->{file
};
5545 my $device = "drive-$ds";
5547 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
5548 $drivehash->{$ds} = 1;
5554 eval { vm_mon_cmd
($vmid, "savevm-end") };
5558 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
5559 warn "guest-fsfreeze-thaw problems - $@" if $@;
5562 # savevm-end is async, we need to wait
5564 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5565 if (!$stat->{bytes
}) {
5568 print "savevm not yet finished\n";
5576 warn "snapshot create failed: starting cleanup\n";
5577 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
5582 &$snapshot_commit($vmid, $snapname);
5585 # Note: $drivehash is only set when called from snapshot_create.
5586 sub snapshot_delete
{
5587 my ($vmid, $snapname, $force, $drivehash) = @_;
5594 my $unlink_parent = sub {
5595 my ($confref, $new_parent) = @_;
5597 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
5599 $confref->{parent
} = $new_parent;
5601 delete $confref->{parent
};
5606 my $updatefn = sub {
5607 my ($remove_drive) = @_;
5609 my $conf = load_config
($vmid);
5613 die "you can't delete a snapshot if vm is a template\n"
5614 if is_template
($conf);
5617 $snap = $conf->{snapshots
}->{$snapname};
5619 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5621 # remove parent refs
5623 &$unlink_parent($conf, $snap->{parent
});
5624 foreach my $sn (keys %{$conf->{snapshots
}}) {
5625 next if $sn eq $snapname;
5626 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
5630 if ($remove_drive) {
5631 if ($remove_drive eq 'vmstate') {
5632 delete $snap->{$remove_drive};
5634 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
5635 my $volid = $drive->{file
};
5636 delete $snap->{$remove_drive};
5637 add_unused_volume
($conf, $volid);
5642 $snap->{snapstate
} = 'delete';
5644 delete $conf->{snapshots
}->{$snapname};
5645 delete $conf->{lock} if $drivehash;
5646 foreach my $volid (@$unused) {
5647 add_unused_volume
($conf, $volid);
5651 update_config_nolock
($vmid, $conf, 1);
5654 lock_config
($vmid, $updatefn);
5656 # now remove vmstate file
5658 my $storecfg = PVE
::Storage
::config
();
5660 if ($snap->{vmstate
}) {
5661 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
5663 die $err if !$force;
5666 # save changes (remove vmstate from snapshot)
5667 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
5670 # now remove all internal snapshots
5671 foreach_drive
($snap, sub {
5672 my ($ds, $drive) = @_;
5674 return if drive_is_cdrom
($drive);
5676 my $volid = $drive->{file
};
5677 my $device = "drive-$ds";
5679 if (!$drivehash || $drivehash->{$ds}) {
5680 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
5682 die $err if !$force;
5687 # save changes (remove drive fron snapshot)
5688 lock_config
($vmid, $updatefn, $ds) if !$force;
5689 push @$unused, $volid;
5692 # now cleanup config
5694 lock_config
($vmid, $updatefn);
5698 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
5701 foreach_drive
($conf, sub {
5702 my ($ds, $drive) = @_;
5704 return if drive_is_cdrom
($drive);
5705 my $volid = $drive->{file
};
5706 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
5709 return $err ?
0 : 1;
5712 sub template_create
{
5713 my ($vmid, $conf, $disk) = @_;
5715 my $storecfg = PVE
::Storage
::config
();
5717 foreach_drive
($conf, sub {
5718 my ($ds, $drive) = @_;
5720 return if drive_is_cdrom
($drive);
5721 return if $disk && $ds ne $disk;
5723 my $volid = $drive->{file
};
5724 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5726 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5727 $drive->{file
} = $voliddst;
5728 $conf->{$ds} = print_drive
($vmid, $drive);
5729 update_config_nolock
($vmid, $conf, 1);
5736 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
5739 sub qemu_img_convert
{
5740 my ($src_volid, $dst_volid, $size, $snapname) = @_;
5742 my $storecfg = PVE
::Storage
::config
();
5743 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5744 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5746 if ($src_storeid && $dst_storeid) {
5747 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5748 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5750 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5751 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5753 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5754 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5757 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
5758 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5759 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
5763 if($line =~ m/\((\S+)\/100\
%\)/){
5765 my $transferred = int($size * $percent / 100);
5766 my $remaining = $size - $transferred;
5768 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5773 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5775 die "copy failed: $err" if $err;
5779 sub qemu_img_format
{
5780 my ($scfg, $volname) = @_;
5782 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
5784 } elsif ($scfg->{type
} eq 'iscsi') {
5785 return "host_device";
5791 sub qemu_drive_mirror
{
5792 my ($vmid, $drive, $dst_volid, $vmiddst) = @_;
5799 my $storecfg = PVE
::Storage
::config
();
5800 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
5802 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5805 if ($dst_volname =~ m/\.(raw|qcow2)$/){
5809 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5811 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $dst_path };
5812 $opts->{format
} = $format if $format;
5814 #fixme : sometime drive-mirror timeout, but works fine after.
5815 # (I have see the problem with big volume > 200GB), so we need to eval
5816 eval { vm_mon_cmd
($vmid, "drive-mirror", %$opts); };
5817 # ignore errors here
5821 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5822 my $stat = @$stats[0];
5823 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
5824 die "error job is not mirroring" if $stat->{type
} ne "mirror";
5826 my $busy = $stat->{busy
};
5828 if (my $total = $stat->{len
}) {
5829 my $transferred = $stat->{offset
} || 0;
5830 my $remaining = $total - $transferred;
5831 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
5833 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy\n";
5836 if ($stat->{len
} == $stat->{offset
}) {
5837 if ($busy eq 'false') {
5839 last if $vmiddst != $vmid;
5841 # try to switch the disk if source and destination are on the same guest
5842 eval { vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive") };
5844 die $@ if $@ !~ m/cannot be completed/;
5847 if ($count > $maxwait) {
5848 # if too much writes to disk occurs at the end of migration
5849 #the disk needs to be freezed to be able to complete the migration
5850 vm_suspend
($vmid,1);
5855 $old_len = $stat->{offset
};
5859 vm_resume
($vmid, 1) if $frozen;
5864 my $cancel_job = sub {
5865 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
5867 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5868 my $stat = @$stats[0];
5875 eval { &$cancel_job(); };
5876 die "mirroring error: $err";
5879 if ($vmiddst != $vmid) {
5880 # if we clone a disk for a new target vm, we don't switch the disk
5881 &$cancel_job(); # so we call block-job-cancel
5886 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
5887 $newvmid, $storage, $format, $full, $newvollist) = @_;
5892 print "create linked clone of drive $drivename ($drive->{file})\n";
5893 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
5894 push @$newvollist, $newvolid;
5896 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
5897 $storeid = $storage if $storage;
5899 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
5901 $format = $drive->{format
} || $defFormat;
5904 # test if requested format is supported - else use default
5905 my $supported = grep { $_ eq $format } @$validFormats;
5906 $format = $defFormat if !$supported;
5908 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
5910 print "create full clone of drive $drivename ($drive->{file})\n";
5911 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
5912 push @$newvollist, $newvolid;
5914 if (!$running || $snapname) {
5915 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
5917 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
5921 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
5924 $disk->{format
} = undef;
5925 $disk->{file
} = $newvolid;
5926 $disk->{size
} = $size;
5931 # this only works if VM is running
5932 sub get_current_qemu_machine
{
5935 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
5936 my $res = vm_qmp_command
($vmid, $cmd);
5938 my ($current, $default);
5939 foreach my $e (@$res) {
5940 $default = $e->{name
} if $e->{'is-default'};
5941 $current = $e->{name
} if $e->{'is-current'};
5944 # fallback to the default machine if current is not supported by qemu
5945 return $current || $default || 'pc';
5952 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
5953 my (undef, $id, $function) = @_;
5954 my $res = { id
=> $id, function
=> $function};
5955 push @{$devices->{$id}}, $res;