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 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
512 type
=> 'string', format
=> 'pve-qm-net',
513 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,queues=<nbqueues>][,rate=<mbps>][,tag=<vlanid>][,firewall=0|1]",
514 description
=> <<EODESCR,
515 Specify network devices.
517 MODEL is one of: $nic_model_list_txt
519 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
520 automatically generated if not specified.
522 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
524 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'.
526 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
532 The DHCP server assign addresses to the guest starting from 10.0.2.15.
536 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
538 for (my $i = 0; $i < $MAX_NETS; $i++) {
539 $confdesc->{"net$i"} = $netdesc;
546 type
=> 'string', format
=> 'pve-qm-drive',
547 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
548 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
550 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
554 type
=> 'string', format
=> 'pve-qm-drive',
555 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
556 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
558 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
562 type
=> 'string', format
=> 'pve-qm-drive',
563 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
564 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
566 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
570 type
=> 'string', format
=> 'pve-qm-drive',
571 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
572 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
574 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
578 type
=> 'string', format
=> 'pve-qm-usb-device',
579 typetext
=> 'host=HOSTUSBDEVICE|spice',
580 description
=> <<EODESCR,
581 Configure an USB device (n is 0 to 4). This can be used to
582 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
584 'bus-port(.port)*' (decimal numbers) or
585 'vendor_id:product_id' (hexadeciaml numbers)
587 You can use the 'lsusb -t' command to list existing usb devices.
589 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
591 The value 'spice' can be used to add a usb redirection devices for spice.
595 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
599 type
=> 'string', format
=> 'pve-qm-hostpci',
600 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off] [,pcie=0|1] [,x-vga=on|off]",
601 description
=> <<EODESCR,
602 Map host pci devices. HOSTPCIDEVICE syntax is:
604 'bus:dev.func' (hexadecimal numbers)
606 You can us the 'lspci' command to list existing pci devices.
608 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
610 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
612 Experimental: user reported problems with this option.
615 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
620 pattern
=> '(/dev/.+|socket)',
621 description
=> <<EODESCR,
622 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).
624 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
626 Experimental: user reported problems with this option.
633 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
634 description
=> <<EODESCR,
635 Map host parallel devices (n is 0 to 2).
637 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
639 Experimental: user reported problems with this option.
643 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
644 $confdesc->{"parallel$i"} = $paralleldesc;
647 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
648 $confdesc->{"serial$i"} = $serialdesc;
651 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
652 $confdesc->{"hostpci$i"} = $hostpcidesc;
655 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
656 $drivename_hash->{"ide$i"} = 1;
657 $confdesc->{"ide$i"} = $idedesc;
660 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
661 $drivename_hash->{"sata$i"} = 1;
662 $confdesc->{"sata$i"} = $satadesc;
665 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
666 $drivename_hash->{"scsi$i"} = 1;
667 $confdesc->{"scsi$i"} = $scsidesc ;
670 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
671 $drivename_hash->{"virtio$i"} = 1;
672 $confdesc->{"virtio$i"} = $virtiodesc;
675 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
676 $confdesc->{"usb$i"} = $usbdesc;
681 type
=> 'string', format
=> 'pve-volume-id',
682 description
=> "Reference to unused volumes.",
685 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
686 $confdesc->{"unused$i"} = $unuseddesc;
689 my $kvm_api_version = 0;
693 return $kvm_api_version if $kvm_api_version;
695 my $fh = IO
::File-
>new("</dev/kvm") ||
698 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
699 $kvm_api_version = $v;
704 return $kvm_api_version;
707 my $kvm_user_version;
709 sub kvm_user_version
{
711 return $kvm_user_version if $kvm_user_version;
713 $kvm_user_version = 'unknown';
715 my $tmp = `kvm -help 2>/dev/null`;
717 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
718 $kvm_user_version = $2;
721 return $kvm_user_version;
725 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
728 # order is important - used to autoselect boot disk
729 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
730 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
731 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
732 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
735 sub valid_drivename
{
738 return defined($drivename_hash->{$dev});
743 return defined($confdesc->{$key});
747 return $nic_model_list;
750 sub os_list_description
{
755 w2k
=> 'Windows 2000',
756 w2k3
=>, 'Windows 2003',
757 w2k8
=> 'Windows 2008',
758 wvista
=> 'Windows Vista',
760 win8
=> 'Windows 8/2012',
770 return $cdrom_path if $cdrom_path;
772 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
773 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
774 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
778 my ($storecfg, $vmid, $cdrom) = @_;
780 if ($cdrom eq 'cdrom') {
781 return get_cdrom_path
();
782 } elsif ($cdrom eq 'none') {
784 } elsif ($cdrom =~ m
|^/|) {
787 return PVE
::Storage
::path
($storecfg, $cdrom);
791 # try to convert old style file names to volume IDs
792 sub filename_to_volume_id
{
793 my ($vmid, $file, $media) = @_;
795 if (!($file eq 'none' || $file eq 'cdrom' ||
796 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
798 return undef if $file =~ m
|/|;
800 if ($media && $media eq 'cdrom') {
801 $file = "local:iso/$file";
803 $file = "local:$vmid/$file";
810 sub verify_media_type
{
811 my ($opt, $vtype, $media) = @_;
816 if ($media eq 'disk') {
818 } elsif ($media eq 'cdrom') {
821 die "internal error";
824 return if ($vtype eq $etype);
826 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
829 sub cleanup_drive_path
{
830 my ($opt, $storecfg, $drive) = @_;
832 # try to convert filesystem paths to volume IDs
834 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
835 ($drive->{file
} !~ m
|^/dev/.+|) &&
836 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
837 ($drive->{file
} !~ m/^\d+$/)) {
838 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
839 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
840 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
841 verify_media_type
($opt, $vtype, $drive->{media
});
842 $drive->{file
} = $volid;
845 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
848 sub create_conf_nolock
{
849 my ($vmid, $settings) = @_;
851 my $filename = config_file
($vmid);
853 die "configuration file '$filename' already exists\n" if -f
$filename;
855 my $defaults = load_defaults
();
857 $settings->{name
} = "vm$vmid" if !$settings->{name
};
858 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
861 foreach my $opt (keys %$settings) {
862 next if !$confdesc->{$opt};
864 my $value = $settings->{$opt};
867 $data .= "$opt: $value\n";
870 PVE
::Tools
::file_set_contents
($filename, $data);
873 my $parse_size = sub {
876 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
877 my ($size, $unit) = ($1, $3);
880 $size = $size * 1024;
881 } elsif ($unit eq 'M') {
882 $size = $size * 1024 * 1024;
883 } elsif ($unit eq 'G') {
884 $size = $size * 1024 * 1024 * 1024;
890 my $format_size = sub {
895 my $kb = int($size/1024);
896 return $size if $kb*1024 != $size;
898 my $mb = int($kb/1024);
899 return "${kb}K" if $mb*1024 != $kb;
901 my $gb = int($mb/1024);
902 return "${mb}M" if $gb*1024 != $mb;
907 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
908 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
909 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
910 # [,aio=native|threads][,discard=ignore|on]
913 my ($key, $data) = @_;
917 # $key may be undefined - used to verify JSON parameters
918 if (!defined($key)) {
919 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
921 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
922 $res->{interface
} = $1;
928 foreach my $p (split (/,/, $data)) {
929 next if $p =~ m/^\s*$/;
931 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
932 my ($k, $v) = ($1, $2);
934 $k = 'file' if $k eq 'volume';
936 return undef if defined $res->{$k};
938 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
939 return undef if !$v || $v !~ m/^\d+/;
941 $v = sprintf("%.3f", $v / (1024*1024));
945 if (!$res->{file
} && $p !~ m/=/) {
953 return undef if !$res->{file
};
955 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
959 return undef if $res->{cache
} &&
960 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
961 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
962 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
963 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
964 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
965 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
966 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
967 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
968 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
969 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
970 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
971 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
972 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
974 return undef if $res->{mbps_rd
} && $res->{mbps
};
975 return undef if $res->{mbps_wr
} && $res->{mbps
};
977 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
978 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
979 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
980 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
981 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
982 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
984 return undef if $res->{iops_rd
} && $res->{iops
};
985 return undef if $res->{iops_wr
} && $res->{iops
};
988 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
989 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
990 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
991 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
992 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
993 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
997 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
1000 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
1001 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
1002 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
1003 return undef if $res->{interface
} eq 'virtio';
1006 # rerror does not work with scsi drives
1007 if ($res->{rerror
}) {
1008 return undef if $res->{interface
} eq 'scsi';
1014 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
1017 my ($vmid, $drive) = @_;
1020 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
1021 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1024 if ($drive->{size
}) {
1025 $opts .= ",size=" . &$format_size($drive->{size
});
1028 return "$drive->{file}$opts";
1032 my($fh, $noerr) = @_;
1035 my $SG_GET_VERSION_NUM = 0x2282;
1037 my $versionbuf = "\x00" x
8;
1038 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1040 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1043 my $version = unpack("I", $versionbuf);
1044 if ($version < 30000) {
1045 die "scsi generic interface too old\n" if !$noerr;
1049 my $buf = "\x00" x
36;
1050 my $sensebuf = "\x00" x
8;
1051 my $cmd = pack("C x3 C x1", 0x12, 36);
1053 # see /usr/include/scsi/sg.h
1054 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";
1056 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1057 length($sensebuf), 0, length($buf), $buf,
1058 $cmd, $sensebuf, 6000);
1060 $ret = ioctl($fh, $SG_IO, $packet);
1062 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1066 my @res = unpack($sg_io_hdr_t, $packet);
1067 if ($res[17] || $res[18]) {
1068 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1073 (my $byte0, my $byte1, $res->{vendor
},
1074 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1076 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1077 $res->{type
} = $byte0 & 31;
1085 my $fh = IO
::File-
>new("+<$path") || return undef;
1086 my $res = scsi_inquiry
($fh, 1);
1092 sub machine_type_is_q35
{
1095 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1098 sub print_tabletdevice_full
{
1101 my $q35 = machine_type_is_q35
($conf);
1103 # we use uhci for old VMs because tablet driver was buggy in older qemu
1104 my $usbbus = $q35 ?
"ehci" : "uhci";
1106 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1109 sub print_drivedevice_full
{
1110 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1115 if ($drive->{interface
} eq 'virtio') {
1116 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1117 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1118 $device .= ",iothread=iothread0" if $conf->{iothread
};
1119 } elsif ($drive->{interface
} eq 'scsi') {
1120 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1121 my $controller = int($drive->{index} / $maxdev);
1122 my $unit = $drive->{index} % $maxdev;
1123 my $devicetype = 'hd';
1125 if (drive_is_cdrom
($drive)) {
1128 if ($drive->{file
} =~ m
|^/|) {
1129 $path = $drive->{file
};
1131 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1134 if($path =~ m/^iscsi\:\/\
//){
1135 $devicetype = 'generic';
1137 if (my $info = path_is_scsi
($path)) {
1138 if ($info->{type
} == 0) {
1139 $devicetype = 'block';
1140 } elsif ($info->{type
} == 1) { # tape
1141 $devicetype = 'generic';
1147 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1148 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1150 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1153 } elsif ($drive->{interface
} eq 'ide'){
1155 my $controller = int($drive->{index} / $maxdev);
1156 my $unit = $drive->{index} % $maxdev;
1157 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1159 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1160 } elsif ($drive->{interface
} eq 'sata'){
1161 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1162 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1163 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1164 } elsif ($drive->{interface
} eq 'usb') {
1166 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1168 die "unsupported interface type";
1171 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1176 sub get_initiator_name
{
1179 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1180 while (defined(my $line = <$fh>)) {
1181 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1190 sub print_drive_full
{
1191 my ($storecfg, $vmid, $drive) = @_;
1194 foreach my $o (@qemu_drive_options) {
1195 next if $o eq 'bootindex';
1196 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1199 foreach my $o (qw(bps bps_rd bps_wr)) {
1200 my $v = $drive->{"m$o"};
1201 $opts .= ",$o=" . int($v*1024*1024) if $v;
1204 # use linux-aio by default (qemu default is threads)
1205 $opts .= ",aio=native" if !$drive->{aio
};
1208 my $volid = $drive->{file
};
1209 if (drive_is_cdrom
($drive)) {
1210 $path = get_iso_path
($storecfg, $vmid, $volid);
1212 if ($volid =~ m
|^/|) {
1215 $path = PVE
::Storage
::path
($storecfg, $volid);
1219 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1221 my $detectzeroes = $drive->{discard
} ?
"unmap" : "on";
1222 $opts .= ",detect-zeroes=$detectzeroes" if !drive_is_cdrom
($drive);
1224 my $pathinfo = $path ?
"file=$path," : '';
1226 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1229 sub print_netdevice_full
{
1230 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1232 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1234 my $device = $net->{model
};
1235 if ($net->{model
} eq 'virtio') {
1236 $device = 'virtio-net-pci';
1239 # qemu > 0.15 always try to boot from network - we disable that by
1240 # not loading the pxe rom file
1241 my $extra = ($bootorder !~ m/n/) ?
"romfile=," : '';
1242 my $pciaddr = print_pci_addr
("$netid", $bridges);
1243 my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1244 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1245 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1246 my $vectors = $net->{queues
} * 2 + 2;
1247 $tmpstr .= ",vectors=$vectors,mq=on";
1249 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1253 sub print_netdev_full
{
1254 my ($vmid, $conf, $net, $netid) = @_;
1257 if ($netid =~ m/^net(\d+)$/) {
1261 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1263 my $ifname = "tap${vmid}i$i";
1265 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1266 die "interface name '$ifname' is too long (max 15 character)\n"
1267 if length($ifname) >= 16;
1269 my $vhostparam = '';
1270 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1272 my $vmname = $conf->{name
} || "vm$vmid";
1276 if ($net->{bridge
}) {
1277 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1279 $netdev = "type=user,id=$netid,hostname=$vmname";
1282 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1287 sub drive_is_cdrom
{
1290 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1299 foreach my $kvp (split(/,/, $data)) {
1301 if ($kvp =~ m/^memory=(\S+)$/) {
1302 $res->{memory
} = $1;
1303 } elsif ($kvp =~ m/^policy=(preferred|bind|interleave)$/) {
1304 $res->{policy
} = $1;
1305 } elsif ($kvp =~ m/^cpus=(\d+)(-(\d+))?$/) {
1306 $res->{cpus
}->{start
} = $1;
1307 $res->{cpus
}->{end
} = $3;
1308 } elsif ($kvp =~ m/^hostnodes=(\d+)(-(\d+))?$/) {
1309 $res->{hostnodes
}->{start
} = $1;
1310 $res->{hostnodes
}->{end
} = $3;
1322 return undef if !$value;
1325 my @list = split(/,/, $value);
1329 foreach my $kv (@list) {
1331 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2})(\.([a-f0-9]))?$/) {
1334 push @{$res->{pciid
}}, { id
=> $2 , function
=> $4};
1337 my $pcidevices = lspci
($2);
1338 $res->{pciid
} = $pcidevices->{$2};
1340 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1341 $res->{driver
} = $1;
1342 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1343 $res->{rombar
} = $1;
1344 } elsif ($kv =~ m/^x-vga=(on|off)$/) {
1345 $res->{'x-vga'} = $1;
1346 } elsif ($kv =~ m/^pcie=(\d+)$/) {
1347 $res->{pcie
} = 1 if $1 == 1;
1349 warn "unknown hostpci setting '$kv'\n";
1353 return undef if !$found;
1358 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1364 foreach my $kvp (split(/,/, $data)) {
1366 if ($kvp =~ m/^(ne2k_pci|e1000|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1368 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1369 $res->{model
} = $model;
1370 $res->{macaddr
} = $mac;
1371 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1372 $res->{bridge
} = $1;
1373 } elsif ($kvp =~ m/^queues=(\d+)$/) {
1374 $res->{queues
} = $1;
1375 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1377 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1379 } elsif ($kvp =~ m/^firewall=(\d+)$/) {
1380 $res->{firewall
} = $1;
1387 return undef if !$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 $res .= ",firewall=$net->{firewall}" if $net->{firewall
};
1405 sub add_random_macs
{
1406 my ($settings) = @_;
1408 foreach my $opt (keys %$settings) {
1409 next if $opt !~ m/^net(\d+)$/;
1410 my $net = parse_net
($settings->{$opt});
1412 $settings->{$opt} = print_net
($net);
1416 sub add_unused_volume
{
1417 my ($config, $volid) = @_;
1420 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1421 my $test = "unused$ind";
1422 if (my $vid = $config->{$test}) {
1423 return if $vid eq $volid; # do not add duplicates
1429 die "To many unused volume - please delete them first.\n" if !$key;
1431 $config->{$key} = $volid;
1436 sub vm_is_volid_owner
{
1437 my ($storecfg, $vmid, $volid) = @_;
1439 if ($volid !~ m
|^/|) {
1441 eval { ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid); };
1442 if ($owner && ($owner == $vmid)) {
1450 sub vmconfig_delete_pending_option
{
1451 my ($conf, $key) = @_;
1453 delete $conf->{pending
}->{$key};
1454 my $pending_delete_hash = { $key => 1 };
1455 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1456 $pending_delete_hash->{$opt} = 1;
1458 $conf->{pending
}->{delete} = join(',', keys %$pending_delete_hash);
1461 sub vmconfig_undelete_pending_option
{
1462 my ($conf, $key) = @_;
1464 my $pending_delete_hash = {};
1465 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1466 $pending_delete_hash->{$opt} = 1;
1468 delete $pending_delete_hash->{$key};
1470 my @keylist = keys %$pending_delete_hash;
1471 if (scalar(@keylist)) {
1472 $conf->{pending
}->{delete} = join(',', @keylist);
1474 delete $conf->{pending
}->{delete};
1478 sub vmconfig_register_unused_drive
{
1479 my ($storecfg, $vmid, $conf, $drive) = @_;
1481 if (!drive_is_cdrom
($drive)) {
1482 my $volid = $drive->{file
};
1483 if (vm_is_volid_owner
($storecfg, $vmid, $volid)) {
1484 add_unused_volume
($conf, $volid, $vmid);
1489 sub vmconfig_cleanup_pending
{
1492 # remove pending changes when nothing changed
1494 foreach my $opt (keys %{$conf->{pending
}}) {
1495 if (defined($conf->{$opt}) && ($conf->{pending
}->{$opt} eq $conf->{$opt})) {
1497 delete $conf->{pending
}->{$opt};
1501 # remove delete if option is not set
1502 my $pending_delete_hash = {};
1503 foreach my $opt (PVE
::Tools
::split_list
($conf->{pending
}->{delete})) {
1504 if (defined($conf->{$opt})) {
1505 $pending_delete_hash->{$opt} = 1;
1511 my @keylist = keys %$pending_delete_hash;
1512 if (scalar(@keylist)) {
1513 $conf->{pending
}->{delete} = join(',', @keylist);
1515 delete $conf->{pending
}->{delete};
1521 my $valid_smbios1_options = {
1522 manufacturer
=> '\S+',
1526 uuid
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1531 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1537 foreach my $kvp (split(/,/, $data)) {
1538 return undef if $kvp !~ m/^(\S+)=(.+)$/;
1539 my ($k, $v) = split(/=/, $kvp);
1540 return undef if !defined($k) || !defined($v);
1541 return undef if !$valid_smbios1_options->{$k};
1542 return undef if $v !~ m/^$valid_smbios1_options->{$k}$/;
1553 foreach my $k (keys %$smbios1) {
1554 next if !defined($smbios1->{$k});
1555 next if !$valid_smbios1_options->{$k};
1556 $data .= ',' if $data;
1557 $data .= "$k=$smbios1->{$k}";
1562 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', \
&verify_smbios1
);
1563 sub verify_smbios1
{
1564 my ($value, $noerr) = @_;
1566 return $value if parse_smbios1
($value);
1568 return undef if $noerr;
1570 die "unable to parse smbios (type 1) options\n";
1573 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1574 sub verify_bootdisk
{
1575 my ($value, $noerr) = @_;
1577 return $value if valid_drivename
($value);
1579 return undef if $noerr;
1581 die "invalid boot disk '$value'\n";
1584 PVE
::JSONSchema
::register_format
('pve-qm-numanode', \
&verify_numa
);
1586 my ($value, $noerr) = @_;
1588 return $value if parse_numa
($value);
1590 return undef if $noerr;
1592 die "unable to parse numa options\n";
1595 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1597 my ($value, $noerr) = @_;
1599 return $value if parse_net
($value);
1601 return undef if $noerr;
1603 die "unable to parse network options\n";
1606 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1608 my ($value, $noerr) = @_;
1610 return $value if parse_drive
(undef, $value);
1612 return undef if $noerr;
1614 die "unable to parse drive options\n";
1617 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1618 sub verify_hostpci
{
1619 my ($value, $noerr) = @_;
1621 return $value if parse_hostpci
($value);
1623 return undef if $noerr;
1625 die "unable to parse pci id\n";
1628 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1629 sub verify_watchdog
{
1630 my ($value, $noerr) = @_;
1632 return $value if parse_watchdog
($value);
1634 return undef if $noerr;
1636 die "unable to parse watchdog options\n";
1639 sub parse_watchdog
{
1642 return undef if !$value;
1646 foreach my $p (split(/,/, $value)) {
1647 next if $p =~ m/^\s*$/;
1649 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1651 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1652 $res->{action
} = $2;
1661 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1662 sub verify_startup
{
1663 my ($value, $noerr) = @_;
1665 return $value if parse_startup
($value);
1667 return undef if $noerr;
1669 die "unable to parse startup options\n";
1675 return undef if !$value;
1679 foreach my $p (split(/,/, $value)) {
1680 next if $p =~ m/^\s*$/;
1682 if ($p =~ m/^(order=)?(\d+)$/) {
1684 } elsif ($p =~ m/^up=(\d+)$/) {
1686 } elsif ($p =~ m/^down=(\d+)$/) {
1696 sub parse_usb_device
{
1699 return undef if !$value;
1701 my @dl = split(/,/, $value);
1705 foreach my $v (@dl) {
1706 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1708 $res->{vendorid
} = $2;
1709 $res->{productid
} = $4;
1710 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1712 $res->{hostbus
} = $1;
1713 $res->{hostport
} = $2;
1714 } elsif ($v =~ m/^spice$/) {
1721 return undef if !$found;
1726 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1727 sub verify_usb_device
{
1728 my ($value, $noerr) = @_;
1730 return $value if parse_usb_device
($value);
1732 return undef if $noerr;
1734 die "unable to parse usb device\n";
1737 # add JSON properties for create and set function
1738 sub json_config_properties
{
1741 foreach my $opt (keys %$confdesc) {
1742 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1743 $prop->{$opt} = $confdesc->{$opt};
1750 my ($key, $value) = @_;
1752 die "unknown setting '$key'\n" if !$confdesc->{$key};
1754 my $type = $confdesc->{$key}->{type
};
1756 if (!defined($value)) {
1757 die "got undefined value\n";
1760 if ($value =~ m/[\n\r]/) {
1761 die "property contains a line feed\n";
1764 if ($type eq 'boolean') {
1765 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1766 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1767 die "type check ('boolean') failed - got '$value'\n";
1768 } elsif ($type eq 'integer') {
1769 return int($1) if $value =~ m/^(\d+)$/;
1770 die "type check ('integer') failed - got '$value'\n";
1771 } elsif ($type eq 'number') {
1772 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1773 die "type check ('number') failed - got '$value'\n";
1774 } elsif ($type eq 'string') {
1775 if (my $fmt = $confdesc->{$key}->{format
}) {
1776 if ($fmt eq 'pve-qm-drive') {
1777 # special case - we need to pass $key to parse_drive()
1778 my $drive = parse_drive
($key, $value);
1779 return $value if $drive;
1780 die "unable to parse drive options\n";
1782 PVE
::JSONSchema
::check_format
($fmt, $value);
1785 $value =~ s/^\"(.*)\"$/$1/;
1788 die "internal error"
1792 sub lock_config_full
{
1793 my ($vmid, $timeout, $code, @param) = @_;
1795 my $filename = config_file_lock
($vmid);
1797 my $res = lock_file
($filename, $timeout, $code, @param);
1804 sub lock_config_mode
{
1805 my ($vmid, $timeout, $shared, $code, @param) = @_;
1807 my $filename = config_file_lock
($vmid);
1809 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1817 my ($vmid, $code, @param) = @_;
1819 return lock_config_full
($vmid, 10, $code, @param);
1822 sub cfs_config_path
{
1823 my ($vmid, $node) = @_;
1825 $node = $nodename if !$node;
1826 return "nodes/$node/qemu-server/$vmid.conf";
1829 sub check_iommu_support
{
1830 #fixme : need to check IOMMU support
1831 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1839 my ($vmid, $node) = @_;
1841 my $cfspath = cfs_config_path
($vmid, $node);
1842 return "/etc/pve/$cfspath";
1845 sub config_file_lock
{
1848 return "$lock_dir/lock-$vmid.conf";
1854 my $conf = config_file
($vmid);
1855 utime undef, undef, $conf;
1859 my ($storecfg, $vmid, $keep_empty_config) = @_;
1861 my $conffile = config_file
($vmid);
1863 my $conf = load_config
($vmid);
1867 # only remove disks owned by this VM
1868 foreach_drive
($conf, sub {
1869 my ($ds, $drive) = @_;
1871 return if drive_is_cdrom
($drive);
1873 my $volid = $drive->{file
};
1875 return if !$volid || $volid =~ m
|^/|;
1877 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1878 return if !$path || !$owner || ($owner != $vmid);
1880 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1883 if ($keep_empty_config) {
1884 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1889 # also remove unused disk
1891 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1894 PVE
::Storage
::foreach_volid
($dl, sub {
1895 my ($volid, $sid, $volname, $d) = @_;
1896 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1906 my ($vmid, $node) = @_;
1908 my $cfspath = cfs_config_path
($vmid, $node);
1910 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1912 die "no such VM ('$vmid')\n" if !defined($conf);
1917 sub parse_vm_config
{
1918 my ($filename, $raw) = @_;
1920 return undef if !defined($raw);
1923 digest
=> Digest
::SHA
::sha1_hex
($raw),
1928 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1929 || die "got strange filename '$filename'";
1937 my @lines = split(/\n/, $raw);
1938 foreach my $line (@lines) {
1939 next if $line =~ m/^\s*$/;
1941 if ($line =~ m/^\[PENDING\]\s*$/i) {
1942 $section = 'pending';
1943 $conf->{description
} = $descr if $descr;
1945 $conf = $res->{$section} = {};
1948 } elsif ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1950 $conf->{description
} = $descr if $descr;
1952 $conf = $res->{snapshots
}->{$section} = {};
1956 if ($line =~ m/^\#(.*)\s*$/) {
1957 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1961 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1962 $descr .= PVE
::Tools
::decode_text
($2);
1963 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1964 $conf->{snapstate
} = $1;
1965 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1968 $conf->{$key} = $value;
1969 } elsif ($line =~ m/^delete:\s*(.*\S)\s*$/) {
1971 if ($section eq 'pending') {
1972 $conf->{delete} = $value; # we parse this later
1974 warn "vm $vmid - propertry 'delete' is only allowed in [PENDING]\n";
1976 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1979 eval { $value = check_type
($key, $value); };
1981 warn "vm $vmid - unable to parse value of '$key' - $@";
1983 my $fmt = $confdesc->{$key}->{format
};
1984 if ($fmt && $fmt eq 'pve-qm-drive') {
1985 my $v = parse_drive
($key, $value);
1986 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1987 $v->{file
} = $volid;
1988 $value = print_drive
($vmid, $v);
1990 warn "vm $vmid - unable to parse value of '$key'\n";
1995 if ($key eq 'cdrom') {
1996 $conf->{ide2
} = $value;
1998 $conf->{$key} = $value;
2004 $conf->{description
} = $descr if $descr;
2006 delete $res->{snapstate
}; # just to be sure
2011 sub write_vm_config
{
2012 my ($filename, $conf) = @_;
2014 delete $conf->{snapstate
}; # just to be sure
2016 if ($conf->{cdrom
}) {
2017 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
2018 $conf->{ide2
} = $conf->{cdrom
};
2019 delete $conf->{cdrom
};
2022 # we do not use 'smp' any longer
2023 if ($conf->{sockets
}) {
2024 delete $conf->{smp
};
2025 } elsif ($conf->{smp
}) {
2026 $conf->{sockets
} = $conf->{smp
};
2027 delete $conf->{cores
};
2028 delete $conf->{smp
};
2031 if ($conf->{maxcpus
} && $conf->{sockets
}) {
2032 delete $conf->{sockets
};
2035 my $used_volids = {};
2037 my $cleanup_config = sub {
2038 my ($cref, $pending, $snapname) = @_;
2040 foreach my $key (keys %$cref) {
2041 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
2042 $key eq 'snapstate' || $key eq 'pending';
2043 my $value = $cref->{$key};
2044 if ($key eq 'delete') {
2045 die "propertry 'delete' is only allowed in [PENDING]\n"
2047 # fixme: check syntax?
2050 eval { $value = check_type
($key, $value); };
2051 die "unable to parse value of '$key' - $@" if $@;
2053 $cref->{$key} = $value;
2055 if (!$snapname && valid_drivename
($key)) {
2056 my $drive = parse_drive
($key, $value);
2057 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
2062 &$cleanup_config($conf);
2064 &$cleanup_config($conf->{pending
}, 1);
2066 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2067 die "internal error" if $snapname eq 'pending';
2068 &$cleanup_config($conf->{snapshots
}->{$snapname}, undef, $snapname);
2071 # remove 'unusedX' settings if we re-add a volume
2072 foreach my $key (keys %$conf) {
2073 my $value = $conf->{$key};
2074 if ($key =~ m/^unused/ && $used_volids->{$value}) {
2075 delete $conf->{$key};
2079 my $generate_raw_config = sub {
2084 # add description as comment to top of file
2085 my $descr = $conf->{description
} || '';
2086 foreach my $cl (split(/\n/, $descr)) {
2087 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
2090 foreach my $key (sort keys %$conf) {
2091 next if $key eq 'digest' || $key eq 'description' || $key eq 'pending' || $key eq 'snapshots';
2092 $raw .= "$key: $conf->{$key}\n";
2097 my $raw = &$generate_raw_config($conf);
2099 if (scalar(keys %{$conf->{pending
}})){
2100 $raw .= "\n[PENDING]\n";
2101 $raw .= &$generate_raw_config($conf->{pending
});
2104 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
2105 $raw .= "\n[$snapname]\n";
2106 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
2112 sub update_config_nolock
{
2113 my ($vmid, $conf, $skiplock) = @_;
2115 check_lock
($conf) if !$skiplock;
2117 my $cfspath = cfs_config_path
($vmid);
2119 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
2123 my ($vmid, $conf, $skiplock) = @_;
2125 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
2132 # we use static defaults from our JSON schema configuration
2133 foreach my $key (keys %$confdesc) {
2134 if (defined(my $default = $confdesc->{$key}->{default})) {
2135 $res->{$key} = $default;
2139 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
2140 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
2146 my $vmlist = PVE
::Cluster
::get_vmlist
();
2148 return $res if !$vmlist || !$vmlist->{ids
};
2149 my $ids = $vmlist->{ids
};
2151 foreach my $vmid (keys %$ids) {
2152 my $d = $ids->{$vmid};
2153 next if !$d->{node
} || $d->{node
} ne $nodename;
2154 next if !$d->{type
} || $d->{type
} ne 'qemu';
2155 $res->{$vmid}->{exists} = 1;
2160 # test if VM uses local resources (to prevent migration)
2161 sub check_local_resources
{
2162 my ($conf, $noerr) = @_;
2166 $loc_res = 1 if $conf->{hostusb
}; # old syntax
2167 $loc_res = 1 if $conf->{hostpci
}; # old syntax
2169 foreach my $k (keys %$conf) {
2170 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
2171 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
2174 die "VM uses local resources\n" if $loc_res && !$noerr;
2179 # check if used storages are available on all nodes (use by migrate)
2180 sub check_storage_availability
{
2181 my ($storecfg, $conf, $node) = @_;
2183 foreach_drive
($conf, sub {
2184 my ($ds, $drive) = @_;
2186 my $volid = $drive->{file
};
2189 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2192 # check if storage is available on both nodes
2193 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2194 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2198 # list nodes where all VM images are available (used by has_feature API)
2200 my ($conf, $storecfg) = @_;
2202 my $nodelist = PVE
::Cluster
::get_nodelist
();
2203 my $nodehash = { map { $_ => 1 } @$nodelist };
2204 my $nodename = PVE
::INotify
::nodename
();
2206 foreach_drive
($conf, sub {
2207 my ($ds, $drive) = @_;
2209 my $volid = $drive->{file
};
2212 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2214 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2215 if ($scfg->{disable
}) {
2217 } elsif (my $avail = $scfg->{nodes
}) {
2218 foreach my $node (keys %$nodehash) {
2219 delete $nodehash->{$node} if !$avail->{$node};
2221 } elsif (!$scfg->{shared
}) {
2222 foreach my $node (keys %$nodehash) {
2223 delete $nodehash->{$node} if $node ne $nodename
2235 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
2239 my ($pidfile, $pid) = @_;
2241 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2245 return undef if !$line;
2246 my @param = split(/\0/, $line);
2248 my $cmd = $param[0];
2249 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2251 for (my $i = 0; $i < scalar (@param); $i++) {
2254 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2255 my $p = $param[$i+1];
2256 return 1 if $p && ($p eq $pidfile);
2265 my ($vmid, $nocheck, $node) = @_;
2267 my $filename = config_file
($vmid, $node);
2269 die "unable to find configuration file for VM $vmid - no such machine\n"
2270 if !$nocheck && ! -f
$filename;
2272 my $pidfile = pidfile_name
($vmid);
2274 if (my $fd = IO
::File-
>new("<$pidfile")) {
2279 my $mtime = $st->mtime;
2280 if ($mtime > time()) {
2281 warn "file '$filename' modified in future\n";
2284 if ($line =~ m/^(\d+)$/) {
2286 if (check_cmdline
($pidfile, $pid)) {
2287 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2299 my $vzlist = config_list
();
2301 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2303 while (defined(my $de = $fd->read)) {
2304 next if $de !~ m/^(\d+)\.pid$/;
2306 next if !defined($vzlist->{$vmid});
2307 if (my $pid = check_running
($vmid)) {
2308 $vzlist->{$vmid}->{pid
} = $pid;
2316 my ($storecfg, $conf) = @_;
2318 my $bootdisk = $conf->{bootdisk
};
2319 return undef if !$bootdisk;
2320 return undef if !valid_drivename
($bootdisk);
2322 return undef if !$conf->{$bootdisk};
2324 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2325 return undef if !defined($drive);
2327 return undef if drive_is_cdrom
($drive);
2329 my $volid = $drive->{file
};
2330 return undef if !$volid;
2332 return $drive->{size
};
2335 my $last_proc_pid_stat;
2337 # get VM status information
2338 # This must be fast and should not block ($full == false)
2339 # We only query KVM using QMP if $full == true (this can be slow)
2341 my ($opt_vmid, $full) = @_;
2345 my $storecfg = PVE
::Storage
::config
();
2347 my $list = vzlist
();
2348 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2350 my $cpucount = $cpuinfo->{cpus
} || 1;
2352 foreach my $vmid (keys %$list) {
2353 next if $opt_vmid && ($vmid ne $opt_vmid);
2355 my $cfspath = cfs_config_path
($vmid);
2356 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2359 $d->{pid
} = $list->{$vmid}->{pid
};
2361 # fixme: better status?
2362 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2364 my $size = disksize
($storecfg, $conf);
2365 if (defined($size)) {
2366 $d->{disk
} = 0; # no info available
2367 $d->{maxdisk
} = $size;
2373 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2374 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2376 $d->{name
} = $conf->{name
} || "VM $vmid";
2377 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2379 if ($conf->{balloon
}) {
2380 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2381 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2392 $d->{diskwrite
} = 0;
2394 $d->{template
} = is_template
($conf);
2399 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2400 foreach my $dev (keys %$netdev) {
2401 next if $dev !~ m/^tap([1-9]\d*)i/;
2403 my $d = $res->{$vmid};
2406 $d->{netout
} += $netdev->{$dev}->{receive
};
2407 $d->{netin
} += $netdev->{$dev}->{transmit
};
2410 my $ctime = gettimeofday
;
2412 foreach my $vmid (keys %$list) {
2414 my $d = $res->{$vmid};
2415 my $pid = $d->{pid
};
2418 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2419 next if !$pstat; # not running
2421 my $used = $pstat->{utime} + $pstat->{stime
};
2423 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2425 if ($pstat->{vsize
}) {
2426 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2429 my $old = $last_proc_pid_stat->{$pid};
2431 $last_proc_pid_stat->{$pid} = {
2439 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2441 if ($dtime > 1000) {
2442 my $dutime = $used - $old->{used
};
2444 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2445 $last_proc_pid_stat->{$pid} = {
2451 $d->{cpu
} = $old->{cpu
};
2455 return $res if !$full;
2457 my $qmpclient = PVE
::QMPClient-
>new();
2459 my $ballooncb = sub {
2460 my ($vmid, $resp) = @_;
2462 my $info = $resp->{'return'};
2463 return if !$info->{max_mem
};
2465 my $d = $res->{$vmid};
2467 # use memory assigned to VM
2468 $d->{maxmem
} = $info->{max_mem
};
2469 $d->{balloon
} = $info->{actual
};
2471 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2472 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2473 $d->{freemem
} = $info->{free_mem
};
2478 my $blockstatscb = sub {
2479 my ($vmid, $resp) = @_;
2480 my $data = $resp->{'return'} || [];
2481 my $totalrdbytes = 0;
2482 my $totalwrbytes = 0;
2483 for my $blockstat (@$data) {
2484 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2485 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2487 $res->{$vmid}->{diskread
} = $totalrdbytes;
2488 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2491 my $statuscb = sub {
2492 my ($vmid, $resp) = @_;
2494 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2495 # this fails if ballon driver is not loaded, so this must be
2496 # the last commnand (following command are aborted if this fails).
2497 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2499 my $status = 'unknown';
2500 if (!defined($status = $resp->{'return'}->{status
})) {
2501 warn "unable to get VM status\n";
2505 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2508 foreach my $vmid (keys %$list) {
2509 next if $opt_vmid && ($vmid ne $opt_vmid);
2510 next if !$res->{$vmid}->{pid
}; # not running
2511 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2514 $qmpclient->queue_execute(undef, 1);
2516 foreach my $vmid (keys %$list) {
2517 next if $opt_vmid && ($vmid ne $opt_vmid);
2518 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2525 my ($conf, $func) = @_;
2527 foreach my $ds (keys %$conf) {
2528 next if !valid_drivename
($ds);
2530 my $drive = parse_drive
($ds, $conf->{$ds});
2533 &$func($ds, $drive);
2538 my ($conf, $func) = @_;
2542 my $test_volid = sub {
2543 my ($volid, $is_cdrom) = @_;
2547 $volhash->{$volid} = $is_cdrom || 0;
2550 foreach_drive
($conf, sub {
2551 my ($ds, $drive) = @_;
2552 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2555 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2556 my $snap = $conf->{snapshots
}->{$snapname};
2557 &$test_volid($snap->{vmstate
}, 0);
2558 foreach_drive
($snap, sub {
2559 my ($ds, $drive) = @_;
2560 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2564 foreach my $volid (keys %$volhash) {
2565 &$func($volid, $volhash->{$volid});
2569 sub vga_conf_has_spice
{
2572 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2577 sub config_to_command
{
2578 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2581 my $globalFlags = [];
2582 my $machineFlags = [];
2588 my $kvmver = kvm_user_version
();
2589 my $vernum = 0; # unknown
2590 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2591 $vernum = $1*1000000+$2*1000;
2592 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2593 $vernum = $1*1000000+$2*1000+$3;
2596 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2598 my $have_ovz = -f
'/proc/vz/vestat';
2600 my $q35 = machine_type_is_q35
($conf);
2602 push @$cmd, '/usr/bin/kvm';
2604 push @$cmd, '-id', $vmid;
2608 my $qmpsocket = qmp_socket
($vmid);
2609 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2610 push @$cmd, '-mon', "chardev=qmp,mode=control";
2612 my $socket = vnc_socket
($vmid);
2613 push @$cmd, '-vnc', "unix:$socket,x509,password";
2615 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2617 push @$cmd, '-daemonize';
2619 if ($conf->{smbios1
}) {
2620 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2623 push @$cmd, '-object', "iothread,id=iothread0" if $conf->{iothread
};
2626 # the q35 chipset support native usb2, so we enable usb controller
2627 # by default for this machine type
2628 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
2630 $pciaddr = print_pci_addr
("piix3", $bridges);
2631 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2634 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2635 next if !$conf->{"usb$i"};
2638 # include usb device config
2639 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2642 my $vga = $conf->{vga
};
2644 my $qxlnum = vga_conf_has_spice
($vga);
2645 $vga = 'qxl' if $qxlnum;
2648 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2649 $conf->{ostype
} eq 'win7' ||
2650 $conf->{ostype
} eq 'w2k8')) {
2657 # enable absolute mouse coordinates (needed by vnc)
2659 if (defined($conf->{tablet
})) {
2660 $tablet = $conf->{tablet
};
2662 $tablet = $defaults->{tablet
};
2663 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2664 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2667 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2670 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2671 my $d = parse_hostpci
($conf->{"hostpci$i"});
2674 my $pcie = $d->{pcie
};
2676 die "q35 machine model is not enabled" if !$q35;
2677 $pciaddr = print_pcie_addr
("hostpci$i");
2679 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2682 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2683 my $driver = $d->{driver
} && $d->{driver
} eq 'vfio' ?
"vfio-pci" : "pci-assign";
2684 my $xvga = $d->{'x-vga'} && $d->{'x-vga'} eq 'on' ?
",x-vga=on" : "";
2685 if ($xvga && $xvga ne '') {
2686 push @$cpuFlags, 'kvm=off';
2689 $driver = "vfio-pci" if $xvga ne '';
2690 my $pcidevices = $d->{pciid
};
2691 my $multifunction = 1 if @$pcidevices > 1;
2694 foreach my $pcidevice (@$pcidevices) {
2696 my $id = "hostpci$i";
2697 $id .= ".$j" if $multifunction;
2698 my $addr = $pciaddr;
2699 $addr .= ".$j" if $multifunction;
2700 my $devicestr = "$driver,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2703 $devicestr .= "$rombar$xvga";
2704 $devicestr .= ",multifunction=on" if $multifunction;
2707 push @$devices, '-device', $devicestr;
2713 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2714 my $d = parse_usb_device
($conf->{"usb$i"});
2716 if ($d->{vendorid
} && $d->{productid
}) {
2717 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2718 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2719 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2720 } elsif ($d->{spice
}) {
2721 # usb redir support for spice
2722 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2723 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2728 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2729 if (my $path = $conf->{"serial$i"}) {
2730 if ($path eq 'socket') {
2731 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2732 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2733 push @$devices, '-device', "isa-serial,chardev=serial$i";
2735 die "no such serial device\n" if ! -c
$path;
2736 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2737 push @$devices, '-device', "isa-serial,chardev=serial$i";
2743 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2744 if (my $path = $conf->{"parallel$i"}) {
2745 die "no such parallel device\n" if ! -c
$path;
2746 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2747 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2748 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2752 my $vmname = $conf->{name
} || "vm$vmid";
2754 push @$cmd, '-name', $vmname;
2757 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2758 $sockets = $conf->{sockets
} if $conf->{sockets
};
2760 my $cores = $conf->{cores
} || 1;
2761 my $maxcpus = $conf->{maxcpus
} if $conf->{maxcpus
};
2763 my $total_cores = $sockets * $cores;
2764 my $allowed_cores = $cpuinfo->{cpus
};
2766 die "MAX $allowed_cores cores allowed per VM on this node\n"
2767 if ($allowed_cores < $total_cores);
2770 push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
2772 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2775 push @$cmd, '-nodefaults';
2777 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2779 my $bootindex_hash = {};
2781 foreach my $o (split(//, $bootorder)) {
2782 $bootindex_hash->{$o} = $i*100;
2786 push @$cmd, '-boot', "menu=on";
2788 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2790 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2792 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2795 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2797 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2798 my $useLocaltime = $conf->{localtime};
2800 if (my $ost = $conf->{ostype
}) {
2801 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2803 if ($ost =~ m/^w/) { # windows
2804 $useLocaltime = 1 if !defined($conf->{localtime});
2806 # use time drift fix when acpi is enabled
2807 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2808 $tdf = 1 if !defined($conf->{tdf
});
2812 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2814 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2815 push @$cmd, '-no-hpet';
2816 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2817 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2820 if ($ost eq 'win7' || $ost eq 'win8') {
2821 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2825 push @$rtcFlags, 'driftfix=slew' if $tdf;
2828 push @$machineFlags, 'accel=tcg';
2830 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2833 my $machine_type = $forcemachine || $conf->{machine
};
2834 if ($machine_type) {
2835 push @$machineFlags, "type=${machine_type}";
2838 if ($conf->{startdate
}) {
2839 push @$rtcFlags, "base=$conf->{startdate}";
2840 } elsif ($useLocaltime) {
2841 push @$rtcFlags, 'base=localtime';
2844 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2845 $cpu = $conf->{cpu
} if $conf->{cpu
};
2847 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2849 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2851 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2853 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2855 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2857 # Note: enforce needs kernel 3.10, so we do not use it for now
2858 # push @$cmd, '-cpu', "$cpu,enforce";
2859 push @$cmd, '-cpu', $cpu;
2861 my $memory = $conf->{memory
} || $defaults->{memory
};
2862 push @$cmd, '-m', $memory;
2864 if ($conf->{numa
}) {
2866 my $numa_totalmemory = undef;
2867 for (my $i = 0; $i < $MAX_NUMA; $i++) {
2868 next if !$conf->{"numa$i"};
2869 my $numa = parse_numa
($conf->{"numa$i"});
2872 die "missing numa node$i memory value\n" if !$numa->{memory
};
2873 my $numa_memory = $numa->{memory
};
2874 $numa_totalmemory += $numa_memory;
2875 my $numa_object = "memory-backend-ram,id=ram-node$i,size=$numa_memory"."M";
2878 my $cpus_start = $numa->{cpus
}->{start
};
2879 die "missing numa node$i cpus\n" if !defined($cpus_start);
2880 my $cpus_end = $numa->{cpus
}->{end
} if defined($numa->{cpus
}->{end
});
2881 my $cpus = $cpus_start;
2882 if (defined($cpus_end)) {
2883 $cpus .= "-$cpus_end";
2884 die "numa node$i : cpu range $cpus is incorrect\n" if $cpus_end <= $cpus_start;
2888 my $hostnodes_start = $numa->{hostnodes
}->{start
};
2889 if (defined($hostnodes_start)) {
2890 my $hostnodes_end = $numa->{hostnodes
}->{end
} if defined($numa->{hostnodes
}->{end
});
2891 my $hostnodes = $hostnodes_start;
2892 if (defined($hostnodes_end)) {
2893 $hostnodes .= "-$hostnodes_end";
2894 die "host node $hostnodes range is incorrect\n" if $hostnodes_end <= $hostnodes_start;
2897 my $hostnodes_end_range = defined($hostnodes_end) ?
$hostnodes_end : $hostnodes_start;
2898 for (my $i = $hostnodes_start; $i <= $hostnodes_end_range; $i++ ) {
2899 die "host numa node$i don't exist\n" if ! -d
"/sys/devices/system/node/node$i/";
2903 my $policy = $numa->{policy
};
2904 die "you need to define a policy for hostnode $hostnodes\n" if !$policy;
2905 $numa_object .= ",host-nodes=$hostnodes,policy=$policy";
2908 push @$cmd, '-object', $numa_object;
2909 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2912 die "total memory for NUMA nodes must be equal to vm memory\n"
2913 if $numa_totalmemory && $numa_totalmemory != $memory;
2915 #if no custom tology, we split memory and cores across numa nodes
2916 if(!$numa_totalmemory) {
2918 my $numa_memory = ($memory / $sockets) . "M";
2920 for (my $i = 0; $i < $sockets; $i++) {
2922 my $cpustart = ($cores * $i);
2923 my $cpuend = ($cpustart + $cores - 1) if $cores && $cores > 1;
2924 my $cpus = $cpustart;
2925 $cpus .= "-$cpuend" if $cpuend;
2927 push @$cmd, '-object', "memory-backend-ram,size=$numa_memory,id=ram-node$i";
2928 push @$cmd, '-numa', "node,nodeid=$i,cpus=$cpus,memdev=ram-node$i";
2933 push @$cmd, '-S' if $conf->{freeze
};
2935 # set keyboard layout
2936 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2937 push @$cmd, '-k', $kb if $kb;
2940 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2941 #push @$cmd, '-soundhw', 'es1370';
2942 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2944 if($conf->{agent
}) {
2945 my $qgasocket = qmp_socket
($vmid, 1);
2946 my $pciaddr = print_pci_addr
("qga0", $bridges);
2947 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2948 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2949 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2956 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2957 for(my $i = 1; $i < $qxlnum; $i++){
2958 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2959 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2962 # assume other OS works like Linux
2963 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2964 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2968 my $pciaddr = print_pci_addr
("spice", $bridges);
2970 $spice_port = PVE
::Tools
::next_spice_port
();
2972 push @$devices, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2974 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
2975 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2976 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2979 # enable balloon by default, unless explicitly disabled
2980 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2981 $pciaddr = print_pci_addr
("balloon0", $bridges);
2982 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2985 if ($conf->{watchdog
}) {
2986 my $wdopts = parse_watchdog
($conf->{watchdog
});
2987 $pciaddr = print_pci_addr
("watchdog", $bridges);
2988 my $watchdog = $wdopts->{model
} || 'i6300esb';
2989 push @$devices, '-device', "$watchdog$pciaddr";
2990 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2994 my $scsicontroller = {};
2995 my $ahcicontroller = {};
2996 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2998 # Add iscsi initiator name if available
2999 if (my $initiator = get_initiator_name
()) {
3000 push @$devices, '-iscsi', "initiator-name=$initiator";
3003 foreach_drive
($conf, sub {
3004 my ($ds, $drive) = @_;
3006 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
3007 push @$vollist, $drive->{file
};
3010 $use_virtio = 1 if $ds =~ m/^virtio/;
3012 if (drive_is_cdrom
($drive)) {
3013 if ($bootindex_hash->{d
}) {
3014 $drive->{bootindex
} = $bootindex_hash->{d
};
3015 $bootindex_hash->{d
} += 1;
3018 if ($bootindex_hash->{c
}) {
3019 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
3020 $bootindex_hash->{c
} += 1;
3024 if ($drive->{interface
} eq 'scsi') {
3026 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
3027 my $controller = int($drive->{index} / $maxdev);
3028 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
3029 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
3030 $scsicontroller->{$controller}=1;
3033 if ($drive->{interface
} eq 'sata') {
3034 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
3035 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
3036 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
3037 $ahcicontroller->{$controller}=1;
3040 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
3041 push @$devices, '-drive',$drive_cmd;
3042 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
3045 for (my $i = 0; $i < $MAX_NETS; $i++) {
3046 next if !$conf->{"net$i"};
3047 my $d = parse_net
($conf->{"net$i"});
3050 $use_virtio = 1 if $d->{model
} eq 'virtio';
3052 if ($bootindex_hash->{n
}) {
3053 $d->{bootindex
} = $bootindex_hash->{n
};
3054 $bootindex_hash->{n
} += 1;
3057 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
3058 push @$devices, '-netdev', $netdevfull;
3060 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
3061 push @$devices, '-device', $netdevicefull;
3066 while (my ($k, $v) = each %$bridges) {
3067 $pciaddr = print_pci_addr
("pci.$k");
3068 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
3072 # hack: virtio with fairsched is unreliable, so we do not use fairsched
3073 # when the VM uses virtio devices.
3074 if (!$use_virtio && $have_ovz) {
3076 my $cpuunits = defined($conf->{cpuunits
}) ?
3077 $conf->{cpuunits
} : $defaults->{cpuunits
};
3079 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
3081 # fixme: cpulimit is currently ignored
3082 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
3086 if ($conf->{args
}) {
3087 my $aa = PVE
::Tools
::split_args
($conf->{args
});
3091 push @$cmd, @$devices;
3092 push @$cmd, '-rtc', join(',', @$rtcFlags)
3093 if scalar(@$rtcFlags);
3094 push @$cmd, '-machine', join(',', @$machineFlags)
3095 if scalar(@$machineFlags);
3096 push @$cmd, '-global', join(',', @$globalFlags)
3097 if scalar(@$globalFlags);
3099 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
3104 return "${var_run_tmpdir}/$vmid.vnc";
3110 my $res = vm_mon_cmd
($vmid, 'query-spice');
3112 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
3116 my ($vmid, $qga) = @_;
3117 my $sockettype = $qga ?
'qga' : 'qmp';
3118 return "${var_run_tmpdir}/$vmid.$sockettype";
3123 return "${var_run_tmpdir}/$vmid.pid";
3126 sub vm_devices_list
{
3129 my $res = vm_mon_cmd
($vmid, 'query-pci');
3131 foreach my $pcibus (@$res) {
3132 foreach my $device (@{$pcibus->{devices
}}) {
3133 next if !$device->{'qdev_id'};
3134 $devices->{$device->{'qdev_id'}} = 1;
3138 my $resblock = vm_mon_cmd
($vmid, 'query-block');
3139 foreach my $block (@$resblock) {
3140 if($block->{device
} =~ m/^drive-(\S+)/){
3145 my $resmice = vm_mon_cmd
($vmid, 'query-mice');
3146 foreach my $mice (@$resmice) {
3147 if ($mice->{name
} eq 'QEMU HID Tablet') {
3148 $devices->{tablet
} = 1;
3156 # fixme: this should raise exceptions on error!
3158 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
3160 return 1 if !check_running
($vmid);
3162 my $q35 = machine_type_is_q35
($conf);
3164 return 1 if !$conf->{hotplug
};
3166 my $devices_list = vm_devices_list
($vmid);
3167 return 1 if defined($devices_list->{$deviceid});
3169 if ($deviceid eq 'tablet') {
3170 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
3174 qemu_add_pci_bridge
($storecfg, $conf, $vmid, $deviceid); # add PCI bridge if we need it for the device
3176 if ($deviceid =~ m/^(virtio)(\d+)$/) {
3177 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
3178 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3179 qemu_deviceadd
($vmid, $devicefull);
3180 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
3181 eval { qemu_drivedel
($vmid, $deviceid); };
3187 if ($deviceid =~ m/^(scsihw)(\d+)$/) {
3188 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
3189 my $pciaddr = print_pci_addr
($deviceid);
3190 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
3191 qemu_deviceadd
($vmid, $devicefull);
3192 return undef if(!qemu_deviceaddverify
($vmid, $deviceid));
3195 if ($deviceid =~ m/^(scsi)(\d+)$/) {
3196 return undef if !qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
3197 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
3198 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
3199 if(!qemu_deviceadd
($vmid, $devicefull)) { # fixme: use qemu_deviceaddverify?
3200 eval { qemu_drivedel
($vmid, $deviceid); };
3206 if ($deviceid =~ m/^(net)(\d+)$/) {
3207 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
3208 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
3209 qemu_deviceadd
($vmid, $netdevicefull);
3210 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
3211 qemu_netdevdel
($vmid, $deviceid);
3217 if (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
3219 my $pciaddr = print_pci_addr
($deviceid);
3220 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
3221 qemu_deviceadd
($vmid, $devicefull);
3222 return undef if !qemu_deviceaddverify
($vmid, $deviceid);
3228 # fixme: this should raise exceptions on error!
3229 sub vm_deviceunplug
{
3230 my ($vmid, $conf, $deviceid) = @_;
3232 die "internal error" if !$conf->{hotplug
};
3234 my $devices_list = vm_devices_list
($vmid);
3235 return 1 if !defined($devices_list->{$deviceid});
3237 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
3239 if ($deviceid eq 'tablet') {
3241 qemu_devicedel
($vmid, $deviceid);
3243 } elsif ($deviceid =~ m/^(virtio)(\d+)$/) {
3245 qemu_devicedel
($vmid, $deviceid);
3246 qemu_devicedelverify
($vmid, $deviceid);
3247 qemu_drivedel
($vmid, $deviceid);
3249 } elsif ($deviceid =~ m/^(lsi)(\d+)$/) {
3251 qemu_devicedel
($vmid, $deviceid);
3253 } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
3255 qemu_devicedel
($vmid, $deviceid);
3256 qemu_drivedel
($vmid, $deviceid);
3258 } elsif ($deviceid =~ m/^(net)(\d+)$/) {
3260 qemu_devicedel
($vmid, $deviceid);
3261 qemu_devicedelverify
($vmid, $deviceid);
3262 qemu_netdevdel
($vmid, $deviceid);
3265 die "can't unplug device '$deviceid'\n";
3271 sub qemu_deviceadd
{
3272 my ($vmid, $devicefull) = @_;
3274 $devicefull = "driver=".$devicefull;
3275 my %options = split(/[=,]/, $devicefull);
3277 vm_mon_cmd
($vmid, "device_add" , %options);
3281 sub qemu_devicedel
{
3282 my($vmid, $deviceid) = @_;
3284 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3288 my($storecfg, $vmid, $device) = @_;
3290 my $drive = print_drive_full
($storecfg, $vmid, $device);
3291 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
3292 # If the command succeeds qemu prints: "OK"
3293 if ($ret !~ m/OK/s) {
3294 syslog
("err", "adding drive failed: $ret");
3301 my($vmid, $deviceid) = @_;
3303 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
3306 return 1 if $ret eq "";
3308 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3309 return 1 if $ret =~ m/Device \'.*?\' not found/s;
3311 die "deleting drive $deviceid failed : $ret\n";
3314 sub qemu_deviceaddverify
{
3315 my ($vmid,$deviceid) = @_;
3317 for (my $i = 0; $i <= 5; $i++) {
3318 my $devices_list = vm_devices_list
($vmid);
3319 return 1 if defined($devices_list->{$deviceid});
3322 syslog
("err", "error on hotplug device $deviceid");
3327 sub qemu_devicedelverify
{
3328 my ($vmid, $deviceid) = @_;
3330 # need to verify that the device is correctly removed as device_del
3331 # is async and empty return is not reliable
3333 for (my $i = 0; $i <= 5; $i++) {
3334 my $devices_list = vm_devices_list
($vmid);
3335 return 1 if !defined($devices_list->{$deviceid});
3339 die "error on hot-unplugging device '$deviceid'\n";
3342 sub qemu_findorcreatescsihw
{
3343 my ($storecfg, $conf, $vmid, $device) = @_;
3345 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
3346 my $controller = int($device->{index} / $maxdev);
3347 my $scsihwid="scsihw$controller";
3348 my $devices_list = vm_devices_list
($vmid);
3350 if(!defined($devices_list->{$scsihwid})) {
3351 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
3356 sub qemu_add_pci_bridge
{
3357 my ($storecfg, $conf, $vmid, $device) = @_;
3363 print_pci_addr
($device, $bridges);
3365 while (my ($k, $v) = each %$bridges) {
3368 return if !defined($bridgeid) || $bridgeid < 1;
3370 my $bridge = "pci.$bridgeid";
3371 my $devices_list = vm_devices_list
($vmid);
3373 if (!defined($devices_list->{$bridge})) {
3374 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
3380 sub qemu_netdevadd
{
3381 my ($vmid, $conf, $device, $deviceid) = @_;
3383 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
3384 my %options = split(/[=,]/, $netdev);
3386 vm_mon_cmd
($vmid, "netdev_add", %options);
3390 sub qemu_netdevdel
{
3391 my ($vmid, $deviceid) = @_;
3393 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
3396 sub qemu_cpu_hotplug
{
3397 my ($vmid, $conf, $cores) = @_;
3399 my $sockets = $conf->{sockets
} || 1;
3400 die "cpu hotplug only works with one socket\n"
3403 die "maxcpus is not defined\n"
3404 if !$conf->{maxcpus
};
3406 die "you can't add more cores than maxcpus\n"
3407 if $cores > $conf->{maxcpus
};
3409 my $currentcores = $conf->{cores
} || 1;
3410 die "online cpu unplug is not yet possible\n"
3411 if $cores < $currentcores;
3413 my $currentrunningcores = vm_mon_cmd
($vmid, "query-cpus");
3414 die "cores number if running vm is different than configuration\n"
3415 if scalar(@{$currentrunningcores}) != $currentcores;
3417 for (my $i = $currentcores; $i < $cores; $i++) {
3418 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
3422 sub qemu_block_set_io_throttle
{
3423 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
3425 return if !check_running
($vmid) ;
3427 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($iops_wr));
3431 # old code, only used to shutdown old VM after update
3433 my ($fh, $timeout) = @_;
3435 my $sel = new IO
::Select
;
3442 while (scalar (@ready = $sel->can_read($timeout))) {
3444 if ($count = $fh->sysread($buf, 8192)) {
3445 if ($buf =~ /^(.*)\(qemu\) $/s) {
3452 if (!defined($count)) {
3459 die "monitor read timeout\n" if !scalar(@ready);
3464 # old code, only used to shutdown old VM after update
3465 sub vm_monitor_command
{
3466 my ($vmid, $cmdstr, $nocheck) = @_;
3471 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3473 my $sname = "${var_run_tmpdir}/$vmid.mon";
3475 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3476 die "unable to connect to VM $vmid socket - $!\n";
3480 # hack: migrate sometime blocks the monitor (when migrate_downtime
3482 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3483 $timeout = 60*60; # 1 hour
3487 my $data = __read_avail
($sock, $timeout);
3489 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3490 die "got unexpected qemu monitor banner\n";
3493 my $sel = new IO
::Select
;
3496 if (!scalar(my @ready = $sel->can_write($timeout))) {
3497 die "monitor write error - timeout";
3500 my $fullcmd = "$cmdstr\r";
3502 # syslog('info', "VM $vmid monitor command: $cmdstr");
3505 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3506 die "monitor write error - $!";
3509 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3513 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3514 $timeout = 60*60; # 1 hour
3515 } elsif ($cmdstr =~ m/^(eject|change)/) {
3516 $timeout = 60; # note: cdrom mount command is slow
3518 if ($res = __read_avail
($sock, $timeout)) {
3520 my @lines = split("\r?\n", $res);
3522 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3524 $res = join("\n", @lines);
3532 syslog
("err", "VM $vmid monitor command failed - $err");
3539 sub qemu_block_resize
{
3540 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3542 my $running = check_running
($vmid);
3544 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3546 return if !$running;
3548 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3552 sub qemu_volume_snapshot
{
3553 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3555 my $running = check_running
($vmid);
3557 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3559 return if !$running;
3561 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3565 sub qemu_volume_snapshot_delete
{
3566 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3568 my $running = check_running
($vmid);
3570 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3572 return if !$running;
3574 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3577 sub set_migration_caps
{
3583 "auto-converge" => 1,
3585 "x-rdma-pin-all" => 0,
3589 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3591 for my $supported_capability (@$supported_capabilities) {
3593 capability
=> $supported_capability->{capability
},
3594 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3598 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3601 # hotplug changes in [PENDING]
3602 # $selection hash can be used to only apply specified options, for
3603 # example: { cores => 1 } (only apply changed 'cores')
3604 # $errors ref is used to return error messages
3605 sub vmconfig_hotplug_pending
{
3606 my ($vmid, $conf, $storecfg, $selection, $errors) = @_;
3608 my $defaults = load_defaults
();
3610 # commit values which do not have any impact on running VM first
3611 # Note: those option cannot raise errors, we we do not care about
3612 # $selection and always apply them.
3614 my $add_error = sub {
3615 my ($opt, $msg) = @_;
3616 $errors->{$opt} = "hotplug problem - $msg";
3620 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3621 if ($opt eq 'name' || $opt eq 'hotplug' || $opt eq 'onboot' || $opt eq 'shares') {
3622 $conf->{$opt} = $conf->{pending
}->{$opt};
3623 delete $conf->{pending
}->{$opt};
3629 update_config_nolock
($vmid, $conf, 1);
3630 $conf = load_config
($vmid); # update/reload
3633 my $hotplug = defined($conf->{hotplug
}) ?
$conf->{hotplug
} : $defaults->{hotplug
};
3635 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3636 foreach my $opt (@delete) {
3637 next if $selection && !$selection->{$opt};
3639 if ($opt eq 'tablet') {
3640 die "skip\n" if !$hotplug;
3641 if ($defaults->{tablet
}) {
3642 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3644 vm_deviceunplug
($vmid, $conf, $opt);
3646 } elsif ($opt eq 'cores') {
3647 die "skip\n" if !$hotplug;
3648 qemu_cpu_hotplug
($vmid, $conf, 1);
3649 } elsif ($opt =~ m/^net(\d+)$/) {
3650 die "skip\n" if !$hotplug;
3651 vm_deviceunplug
($vmid, $conf, $opt);
3657 &$add_error($opt, $err) if $err ne "skip\n";
3659 # save new config if hotplug was successful
3660 delete $conf->{$opt};
3661 vmconfig_undelete_pending_option
($conf, $opt);
3662 update_config_nolock
($vmid, $conf, 1);
3663 $conf = load_config
($vmid); # update/reload
3667 foreach my $opt (keys %{$conf->{pending
}}) {
3668 next if $selection && !$selection->{$opt};
3669 my $value = $conf->{pending
}->{$opt};
3671 if ($opt eq 'tablet') {
3672 die "skip\n" if !$hotplug;
3674 vm_deviceplug
($storecfg, $conf, $vmid, $opt);
3675 } elsif ($value == 0) {
3676 vm_deviceunplug
($vmid, $conf, $opt);
3678 } elsif ($opt eq 'cores') {
3679 die "skip\n" if !$hotplug;
3680 qemu_cpu_hotplug
($vmid, $conf, $value);
3681 } elsif ($opt eq 'balloon') {
3682 die "skip\n" if !(defined($conf->{shares
}) && ($conf->{shares
} == 0));
3683 # allow manual ballooning if shares is set to zero
3684 my $balloon = $conf->{pending
}->{balloon
} || $conf->{memory
} || $defaults->{memory
};
3685 vm_mon_cmd
($vmid, "balloon", value
=> $balloon*1024*1024);
3686 } elsif ($opt =~ m/^net(\d+)$/) {
3687 # some changes can be done without hotplug
3688 vmconfig_update_net
($storecfg, $conf, $vmid, $opt, $value);
3690 die "skip\n"; # skip non-hot-pluggable options
3694 &$add_error($opt, $err) if $err ne "skip\n";
3696 # save new config if hotplug was successful
3697 $conf->{$opt} = $value;
3698 delete $conf->{pending
}->{$opt};
3699 update_config_nolock
($vmid, $conf, 1);
3700 $conf = load_config
($vmid); # update/reload
3705 sub vmconfig_apply_pending
{
3706 my ($vmid, $conf, $storecfg) = @_;
3710 my @delete = PVE
::Tools
::split_list
($conf->{pending
}->{delete});
3711 foreach my $opt (@delete) { # delete
3712 die "internal error" if $opt =~ m/^unused/;
3713 $conf = load_config
($vmid); # update/reload
3714 if (!defined($conf->{$opt})) {
3715 vmconfig_undelete_pending_option
($conf, $opt);
3716 update_config_nolock
($vmid, $conf, 1);
3717 } elsif (valid_drivename
($opt)) {
3718 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}));
3719 vmconfig_undelete_pending_option
($conf, $opt);
3720 delete $conf->{$opt};
3721 update_config_nolock
($vmid, $conf, 1);
3723 vmconfig_undelete_pending_option
($conf, $opt);
3724 delete $conf->{$opt};
3725 update_config_nolock
($vmid, $conf, 1);
3729 $conf = load_config
($vmid); # update/reload
3731 foreach my $opt (keys %{$conf->{pending
}}) { # add/change
3732 $conf = load_config
($vmid); # update/reload
3734 if (defined($conf->{$opt}) && ($conf->{$opt} eq $conf->{pending
}->{$opt})) {
3735 # skip if nothing changed
3736 } elsif (valid_drivename
($opt)) {
3737 vmconfig_register_unused_drive
($storecfg, $vmid, $conf, parse_drive
($opt, $conf->{$opt}))
3738 if defined($conf->{$opt});
3739 $conf->{$opt} = $conf->{pending
}->{$opt};
3741 $conf->{$opt} = $conf->{pending
}->{$opt};
3744 delete $conf->{pending
}->{$opt};
3745 update_config_nolock
($vmid, $conf, 1);
3749 my $safe_num_ne = sub {
3752 return 0 if !defined($a) && !defined($b);
3753 return 1 if !defined($a);
3754 return 1 if !defined($b);
3759 my $safe_string_ne = sub {
3762 return 0 if !defined($a) && !defined($b);
3763 return 1 if !defined($a);
3764 return 1 if !defined($b);
3769 sub vmconfig_update_net
{
3770 my ($storecfg, $conf, $vmid, $opt, $value) = @_;
3772 my $newnet = parse_net
($value);
3774 if ($conf->{$opt}) {
3775 my $oldnet = parse_net
($conf->{$opt});
3777 if (&$safe_string_ne($oldnet->{model
}, $newnet->{model
}) ||
3778 &$safe_string_ne($oldnet->{macaddr
}, $newnet->{macaddr
}) ||
3779 &$safe_num_ne($oldnet->{queues
}, $newnet->{queues
}) ||
3780 !($newnet->{bridge
} && $oldnet->{bridge
})) { # bridge/nat mode change
3782 # for non online change, we try to hot-unplug
3783 die "skip\n" if !$conf->{hotplug
};
3784 vm_deviceunplug
($vmid, $conf, $opt);
3787 die "internal error" if $opt !~ m/net(\d+)/;
3788 my $iface = "tap${vmid}i$1";
3790 if (&$safe_num_ne($oldnet->{rate
}, $newnet->{rate
})) {
3791 PVE
::Network
::tap_rate_limit
($iface, $newnet->{rate
});
3794 if(&$safe_string_ne($oldnet->{bridge
}, $newnet->{bridge
}) ||
3795 &$safe_num_ne($oldnet->{tag
}, $newnet->{tag
}) ||
3796 &$safe_num_ne($oldnet->{firewall
}, $newnet->{firewall
})) {
3797 PVE
::Network
::tap_unplug
($iface);
3798 PVE
::Network
::tap_plug
($iface, $newnet->{bridge
}, $newnet->{tag
}, $newnet->{firewall
});
3803 vm_deviceplug
($storecfg, $conf, $vmid, $opt, $newnet);
3807 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3809 lock_config
($vmid, sub {
3810 my $conf = load_config
($vmid, $migratedfrom);
3812 die "you can't start a vm if it's a template\n" if is_template
($conf);
3814 check_lock
($conf) if !$skiplock;
3816 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3818 if (!$statefile && scalar(keys %{$conf->{pending
}})) {
3819 vmconfig_apply_pending
($vmid, $conf, $storecfg);
3820 $conf = load_config
($vmid); # update/reload
3823 my $defaults = load_defaults
();
3825 # set environment variable useful inside network script
3826 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3828 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3830 my $migrate_port = 0;
3833 if ($statefile eq 'tcp') {
3834 my $localip = "localhost";
3835 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3836 if ($datacenterconf->{migration_unsecure
}) {
3837 my $nodename = PVE
::INotify
::nodename
();
3838 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3840 $migrate_port = PVE
::Tools
::next_migrate_port
();
3841 $migrate_uri = "tcp:${localip}:${migrate_port}";
3842 push @$cmd, '-incoming', $migrate_uri;
3845 push @$cmd, '-loadstate', $statefile;
3852 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
3853 my $d = parse_hostpci
($conf->{"hostpci$i"});
3855 my $pcidevices = $d->{pciid
};
3856 foreach my $pcidevice (@$pcidevices) {
3857 my $pciid = $pcidevice->{id
}.".".$pcidevice->{function
};
3859 my $info = pci_device_info
("0000:$pciid");
3860 die "IOMMU not present\n" if !check_iommu_support
();
3861 die "no pci device info for device '$pciid'\n" if !$info;
3863 if ($d->{driver
} && $d->{driver
} eq "vfio") {
3864 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio
($pciid);
3866 die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub
($info);
3869 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset
} and !pci_dev_reset
($info);
3873 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
3875 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
3878 die "start failed: $err" if $err;
3880 print "migration listens on $migrate_uri\n" if $migrate_uri;
3882 if ($statefile && $statefile ne 'tcp') {
3883 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
3887 if ($migratedfrom) {
3890 set_migration_caps
($vmid);
3895 print "spice listens on port $spice_port\n";
3896 if ($spice_ticket) {
3897 vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
3898 vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
3904 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
3905 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
3906 if $conf->{balloon
};
3907 vm_mon_cmd_nocheck
($vmid, 'qom-set',
3908 path
=> "machine/peripheral/balloon0",
3909 property
=> "guest-stats-polling-interval",
3917 my ($vmid, $execute, %params) = @_;
3919 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3920 vm_qmp_command
($vmid, $cmd);
3923 sub vm_mon_cmd_nocheck
{
3924 my ($vmid, $execute, %params) = @_;
3926 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3927 vm_qmp_command
($vmid, $cmd, 1);
3930 sub vm_qmp_command
{
3931 my ($vmid, $cmd, $nocheck) = @_;
3936 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
3937 $timeout = $cmd->{arguments
}->{timeout
};
3938 delete $cmd->{arguments
}->{timeout
};
3942 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3943 my $sname = qmp_socket
($vmid);
3944 if (-e
$sname) { # test if VM is reasonambe new and supports qmp/qga
3945 my $qmpclient = PVE
::QMPClient-
>new();
3947 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
3948 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
3949 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
3950 if scalar(%{$cmd->{arguments
}});
3951 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
3953 die "unable to open monitor socket\n";
3957 syslog
("err", "VM $vmid qmp command failed - $err");
3964 sub vm_human_monitor_command
{
3965 my ($vmid, $cmdline) = @_;
3970 execute
=> 'human-monitor-command',
3971 arguments
=> { 'command-line' => $cmdline},
3974 return vm_qmp_command
($vmid, $cmd);
3977 sub vm_commandline
{
3978 my ($storecfg, $vmid) = @_;
3980 my $conf = load_config
($vmid);
3982 my $defaults = load_defaults
();
3984 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
3986 return join(' ', @$cmd);
3990 my ($vmid, $skiplock) = @_;
3992 lock_config
($vmid, sub {
3994 my $conf = load_config
($vmid);
3996 check_lock
($conf) if !$skiplock;
3998 vm_mon_cmd
($vmid, "system_reset");
4002 sub get_vm_volumes
{
4006 foreach_volid
($conf, sub {
4007 my ($volid, $is_cdrom) = @_;
4009 return if $volid =~ m
|^/|;
4011 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4014 push @$vollist, $volid;
4020 sub vm_stop_cleanup
{
4021 my ($storecfg, $vmid, $conf, $keepActive) = @_;
4024 fairsched_rmnod
($vmid); # try to destroy group
4027 my $vollist = get_vm_volumes
($conf);
4028 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
4031 foreach my $ext (qw(mon qmp pid vnc qga)) {
4032 unlink "/var/run/qemu-server/${vmid}.$ext";
4035 warn $@ if $@; # avoid errors - just warn
4038 # Note: use $nockeck to skip tests if VM configuration file exists.
4039 # We need that when migration VMs to other nodes (files already moved)
4040 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
4042 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
4044 $force = 1 if !defined($force) && !$shutdown;
4047 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
4048 kill 15, $pid if $pid;
4049 my $conf = load_config
($vmid, $migratedfrom);
4050 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
4054 lock_config
($vmid, sub {
4056 my $pid = check_running
($vmid, $nocheck);
4061 $conf = load_config
($vmid);
4062 check_lock
($conf) if !$skiplock;
4063 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
4064 my $opts = parse_startup
($conf->{startup
});
4065 $timeout = $opts->{down
} if $opts->{down
};
4069 $timeout = 60 if !defined($timeout);
4073 if (!$nocheck && $conf->{agent
}) {
4074 vm_qmp_command
($vmid, { execute
=> "guest-shutdown" }, $nocheck);
4076 vm_qmp_command
($vmid, { execute
=> "system_powerdown" }, $nocheck);
4079 vm_qmp_command
($vmid, { execute
=> "quit" }, $nocheck);
4086 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4091 if ($count >= $timeout) {
4093 warn "VM still running - terminating now with SIGTERM\n";
4096 die "VM quit/powerdown failed - got timeout\n";
4099 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
4104 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
4107 die "VM quit/powerdown failed\n";
4115 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
4120 if ($count >= $timeout) {
4121 warn "VM still running - terminating now with SIGKILL\n";
4126 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
4131 my ($vmid, $skiplock) = @_;
4133 lock_config
($vmid, sub {
4135 my $conf = load_config
($vmid);
4137 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4139 vm_mon_cmd
($vmid, "stop");
4144 my ($vmid, $skiplock) = @_;
4146 lock_config
($vmid, sub {
4148 my $conf = load_config
($vmid);
4150 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
4152 vm_mon_cmd
($vmid, "cont");
4157 my ($vmid, $skiplock, $key) = @_;
4159 lock_config
($vmid, sub {
4161 my $conf = load_config
($vmid);
4163 # there is no qmp command, so we use the human monitor command
4164 vm_human_monitor_command
($vmid, "sendkey $key");
4169 my ($storecfg, $vmid, $skiplock) = @_;
4171 lock_config
($vmid, sub {
4173 my $conf = load_config
($vmid);
4175 check_lock
($conf) if !$skiplock;
4177 if (!check_running
($vmid)) {
4178 fairsched_rmnod
($vmid); # try to destroy group
4179 destroy_vm
($storecfg, $vmid);
4181 die "VM $vmid is running - destroy failed\n";
4189 my ($filename, $buf) = @_;
4191 my $fh = IO
::File-
>new($filename, "w");
4192 return undef if !$fh;
4194 my $res = print $fh $buf;
4201 sub pci_device_info
{
4206 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
4207 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
4209 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
4210 return undef if !defined($irq) || $irq !~ m/^\d+$/;
4212 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
4213 return undef if !defined($vendor) || $vendor !~ s/^0x//;
4215 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
4216 return undef if !defined($product) || $product !~ s/^0x//;
4221 product
=> $product,
4227 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
4236 my $name = $dev->{name
};
4238 my $fn = "$pcisysfs/devices/$name/reset";
4240 return file_write
($fn, "1");
4243 sub pci_dev_bind_to_stub
{
4246 my $name = $dev->{name
};
4248 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
4249 return 1 if -d
$testdir;
4251 my $data = "$dev->{vendor} $dev->{product}";
4252 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
4254 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4255 if (!file_write
($fn, $name)) {
4256 return undef if -f
$fn;
4259 $fn = "$pcisysfs/drivers/pci-stub/bind";
4260 if (! -d
$testdir) {
4261 return undef if !file_write
($fn, $name);
4267 sub pci_dev_bind_to_vfio
{
4270 my $name = $dev->{name
};
4272 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4274 if (!-d
$vfio_basedir) {
4275 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4277 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4279 my $testdir = "$vfio_basedir/$name";
4280 return 1 if -d
$testdir;
4282 my $data = "$dev->{vendor} $dev->{product}";
4283 return undef if !file_write
("$vfio_basedir/new_id", $data);
4285 my $fn = "$pcisysfs/devices/$name/driver/unbind";
4286 if (!file_write
($fn, $name)) {
4287 return undef if -f
$fn;
4290 $fn = "$vfio_basedir/bind";
4291 if (! -d
$testdir) {
4292 return undef if !file_write
($fn, $name);
4298 sub pci_dev_group_bind_to_vfio
{
4301 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
4303 if (!-d
$vfio_basedir) {
4304 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
4306 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
4308 # get IOMMU group devices
4309 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
4310 my @devs = grep /^0000:/, readdir($D);
4313 foreach my $pciid (@devs) {
4314 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
4315 my $info = pci_device_info
($1);
4316 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
4322 sub print_pci_addr
{
4323 my ($id, $bridges) = @_;
4327 piix3
=> { bus
=> 0, addr
=> 1 },
4328 #addr2 : first videocard
4329 balloon0
=> { bus
=> 0, addr
=> 3 },
4330 watchdog
=> { bus
=> 0, addr
=> 4 },
4331 scsihw0
=> { bus
=> 0, addr
=> 5 },
4332 scsihw1
=> { bus
=> 0, addr
=> 6 },
4333 ahci0
=> { bus
=> 0, addr
=> 7 },
4334 qga0
=> { bus
=> 0, addr
=> 8 },
4335 spice
=> { bus
=> 0, addr
=> 9 },
4336 virtio0
=> { bus
=> 0, addr
=> 10 },
4337 virtio1
=> { bus
=> 0, addr
=> 11 },
4338 virtio2
=> { bus
=> 0, addr
=> 12 },
4339 virtio3
=> { bus
=> 0, addr
=> 13 },
4340 virtio4
=> { bus
=> 0, addr
=> 14 },
4341 virtio5
=> { bus
=> 0, addr
=> 15 },
4342 hostpci0
=> { bus
=> 0, addr
=> 16 },
4343 hostpci1
=> { bus
=> 0, addr
=> 17 },
4344 net0
=> { bus
=> 0, addr
=> 18 },
4345 net1
=> { bus
=> 0, addr
=> 19 },
4346 net2
=> { bus
=> 0, addr
=> 20 },
4347 net3
=> { bus
=> 0, addr
=> 21 },
4348 net4
=> { bus
=> 0, addr
=> 22 },
4349 net5
=> { bus
=> 0, addr
=> 23 },
4350 vga1
=> { bus
=> 0, addr
=> 24 },
4351 vga2
=> { bus
=> 0, addr
=> 25 },
4352 vga3
=> { bus
=> 0, addr
=> 26 },
4353 hostpci2
=> { bus
=> 0, addr
=> 27 },
4354 hostpci3
=> { bus
=> 0, addr
=> 28 },
4355 #addr29 : usb-host (pve-usb.cfg)
4356 'pci.1' => { bus
=> 0, addr
=> 30 },
4357 'pci.2' => { bus
=> 0, addr
=> 31 },
4358 'net6' => { bus
=> 1, addr
=> 1 },
4359 'net7' => { bus
=> 1, addr
=> 2 },
4360 'net8' => { bus
=> 1, addr
=> 3 },
4361 'net9' => { bus
=> 1, addr
=> 4 },
4362 'net10' => { bus
=> 1, addr
=> 5 },
4363 'net11' => { bus
=> 1, addr
=> 6 },
4364 'net12' => { bus
=> 1, addr
=> 7 },
4365 'net13' => { bus
=> 1, addr
=> 8 },
4366 'net14' => { bus
=> 1, addr
=> 9 },
4367 'net15' => { bus
=> 1, addr
=> 10 },
4368 'net16' => { bus
=> 1, addr
=> 11 },
4369 'net17' => { bus
=> 1, addr
=> 12 },
4370 'net18' => { bus
=> 1, addr
=> 13 },
4371 'net19' => { bus
=> 1, addr
=> 14 },
4372 'net20' => { bus
=> 1, addr
=> 15 },
4373 'net21' => { bus
=> 1, addr
=> 16 },
4374 'net22' => { bus
=> 1, addr
=> 17 },
4375 'net23' => { bus
=> 1, addr
=> 18 },
4376 'net24' => { bus
=> 1, addr
=> 19 },
4377 'net25' => { bus
=> 1, addr
=> 20 },
4378 'net26' => { bus
=> 1, addr
=> 21 },
4379 'net27' => { bus
=> 1, addr
=> 22 },
4380 'net28' => { bus
=> 1, addr
=> 23 },
4381 'net29' => { bus
=> 1, addr
=> 24 },
4382 'net30' => { bus
=> 1, addr
=> 25 },
4383 'net31' => { bus
=> 1, addr
=> 26 },
4384 'virtio6' => { bus
=> 2, addr
=> 1 },
4385 'virtio7' => { bus
=> 2, addr
=> 2 },
4386 'virtio8' => { bus
=> 2, addr
=> 3 },
4387 'virtio9' => { bus
=> 2, addr
=> 4 },
4388 'virtio10' => { bus
=> 2, addr
=> 5 },
4389 'virtio11' => { bus
=> 2, addr
=> 6 },
4390 'virtio12' => { bus
=> 2, addr
=> 7 },
4391 'virtio13' => { bus
=> 2, addr
=> 8 },
4392 'virtio14' => { bus
=> 2, addr
=> 9 },
4393 'virtio15' => { bus
=> 2, addr
=> 10 },
4396 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4397 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4398 my $bus = $devices->{$id}->{bus
};
4399 $res = ",bus=pci.$bus,addr=$addr";
4400 $bridges->{$bus} = 1 if $bridges;
4406 sub print_pcie_addr
{
4411 hostpci0
=> { bus
=> "ich9-pcie-port-1", addr
=> 0 },
4412 hostpci1
=> { bus
=> "ich9-pcie-port-2", addr
=> 0 },
4413 hostpci2
=> { bus
=> "ich9-pcie-port-3", addr
=> 0 },
4414 hostpci3
=> { bus
=> "ich9-pcie-port-4", addr
=> 0 },
4417 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
4418 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
4419 my $bus = $devices->{$id}->{bus
};
4420 $res = ",bus=$bus,addr=$addr";
4426 # vzdump restore implementaion
4428 sub tar_archive_read_firstfile
{
4429 my $archive = shift;
4431 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
4433 # try to detect archive type first
4434 my $pid = open (TMP
, "tar tf '$archive'|") ||
4435 die "unable to open file '$archive'\n";
4436 my $firstfile = <TMP
>;
4440 die "ERROR: archive contaions no data\n" if !$firstfile;
4446 sub tar_restore_cleanup
{
4447 my ($storecfg, $statfile) = @_;
4449 print STDERR
"starting cleanup\n";
4451 if (my $fd = IO
::File-
>new($statfile, "r")) {
4452 while (defined(my $line = <$fd>)) {
4453 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4456 if ($volid =~ m
|^/|) {
4457 unlink $volid || die 'unlink failed\n';
4459 PVE
::Storage
::vdisk_free
($storecfg, $volid);
4461 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4463 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4465 print STDERR
"unable to parse line in statfile - $line";
4472 sub restore_archive
{
4473 my ($archive, $vmid, $user, $opts) = @_;
4475 my $format = $opts->{format
};
4478 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
4479 $format = 'tar' if !$format;
4481 } elsif ($archive =~ m/\.tar$/) {
4482 $format = 'tar' if !$format;
4483 } elsif ($archive =~ m/.tar.lzo$/) {
4484 $format = 'tar' if !$format;
4486 } elsif ($archive =~ m/\.vma$/) {
4487 $format = 'vma' if !$format;
4488 } elsif ($archive =~ m/\.vma\.gz$/) {
4489 $format = 'vma' if !$format;
4491 } elsif ($archive =~ m/\.vma\.lzo$/) {
4492 $format = 'vma' if !$format;
4495 $format = 'vma' if !$format; # default
4498 # try to detect archive format
4499 if ($format eq 'tar') {
4500 return restore_tar_archive
($archive, $vmid, $user, $opts);
4502 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
4506 sub restore_update_config_line
{
4507 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
4509 return if $line =~ m/^\#qmdump\#/;
4510 return if $line =~ m/^\#vzdump\#/;
4511 return if $line =~ m/^lock:/;
4512 return if $line =~ m/^unused\d+:/;
4513 return if $line =~ m/^parent:/;
4514 return if $line =~ m/^template:/; # restored VM is never a template
4516 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
4517 # try to convert old 1.X settings
4518 my ($id, $ind, $ethcfg) = ($1, $2, $3);
4519 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
4520 my ($model, $macaddr) = split(/\=/, $devconfig);
4521 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
4524 bridge
=> "vmbr$ind",
4525 macaddr
=> $macaddr,
4527 my $netstr = print_net
($net);
4529 print $outfd "net$cookie->{netcount}: $netstr\n";
4530 $cookie->{netcount
}++;
4532 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
4533 my ($id, $netstr) = ($1, $2);
4534 my $net = parse_net
($netstr);
4535 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
4536 $netstr = print_net
($net);
4537 print $outfd "$id: $netstr\n";
4538 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
4541 if ($line =~ m/backup=no/) {
4542 print $outfd "#$line";
4543 } elsif ($virtdev && $map->{$virtdev}) {
4544 my $di = parse_drive
($virtdev, $value);
4545 delete $di->{format
}; # format can change on restore
4546 $di->{file
} = $map->{$virtdev};
4547 $value = print_drive
($vmid, $di);
4548 print $outfd "$virtdev: $value\n";
4558 my ($cfg, $vmid) = @_;
4560 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
4562 my $volid_hash = {};
4563 foreach my $storeid (keys %$info) {
4564 foreach my $item (@{$info->{$storeid}}) {
4565 next if !($item->{volid
} && $item->{size
});
4566 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
4567 $volid_hash->{$item->{volid
}} = $item;
4574 sub get_used_paths
{
4575 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
4579 my $scan_config = sub {
4580 my ($cref, $snapname) = @_;
4582 foreach my $key (keys %$cref) {
4583 my $value = $cref->{$key};
4584 if (valid_drivename
($key)) {
4585 next if $skip_drive && $key eq $skip_drive;
4586 my $drive = parse_drive
($key, $value);
4587 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
4588 if ($drive->{file
} =~ m!^/!) {
4589 $used_path->{$drive->{file
}}++; # = 1;
4591 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
4593 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
4595 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
4596 $used_path->{$path}++; # = 1;
4602 &$scan_config($conf);
4606 if ($scan_snapshots) {
4607 foreach my $snapname (keys %{$conf->{snapshots
}}) {
4608 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
4615 sub update_disksize
{
4616 my ($vmid, $conf, $volid_hash) = @_;
4622 # Note: it is allowed to define multiple storages with same path (alias), so
4623 # we need to check both 'volid' and real 'path' (two different volid can point
4624 # to the same path).
4629 foreach my $opt (keys %$conf) {
4630 if (valid_drivename
($opt)) {
4631 my $drive = parse_drive
($opt, $conf->{$opt});
4632 my $volid = $drive->{file
};
4635 $used->{$volid} = 1;
4636 if ($volid_hash->{$volid} &&
4637 (my $path = $volid_hash->{$volid}->{path
})) {
4638 $usedpath->{$path} = 1;
4641 next if drive_is_cdrom
($drive);
4642 next if !$volid_hash->{$volid};
4644 $drive->{size
} = $volid_hash->{$volid}->{size
};
4645 my $new = print_drive
($vmid, $drive);
4646 if ($new ne $conf->{$opt}) {
4648 $conf->{$opt} = $new;
4653 # remove 'unusedX' entry if volume is used
4654 foreach my $opt (keys %$conf) {
4655 next if $opt !~ m/^unused\d+$/;
4656 my $volid = $conf->{$opt};
4657 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
4658 if ($used->{$volid} || ($path && $usedpath->{$path})) {
4660 delete $conf->{$opt};
4664 foreach my $volid (sort keys %$volid_hash) {
4665 next if $volid =~ m/vm-$vmid-state-/;
4666 next if $used->{$volid};
4667 my $path = $volid_hash->{$volid}->{path
};
4668 next if !$path; # just to be sure
4669 next if $usedpath->{$path};
4671 add_unused_volume
($conf, $volid);
4672 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
4679 my ($vmid, $nolock) = @_;
4681 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
4683 my $volid_hash = scan_volids
($cfg, $vmid);
4685 my $updatefn = sub {
4688 my $conf = load_config
($vmid);
4693 foreach my $volid (keys %$volid_hash) {
4694 my $info = $volid_hash->{$volid};
4695 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
4698 my $changes = update_disksize
($vmid, $conf, $vm_volids);
4700 update_config_nolock
($vmid, $conf, 1) if $changes;
4703 if (defined($vmid)) {
4707 lock_config
($vmid, $updatefn, $vmid);
4710 my $vmlist = config_list
();
4711 foreach my $vmid (keys %$vmlist) {
4715 lock_config
($vmid, $updatefn, $vmid);
4721 sub restore_vma_archive
{
4722 my ($archive, $vmid, $user, $opts, $comp) = @_;
4724 my $input = $archive eq '-' ?
"<&STDIN" : undef;
4725 my $readfrom = $archive;
4730 my $qarchive = PVE
::Tools
::shellquote
($archive);
4731 if ($comp eq 'gzip') {
4732 $uncomp = "zcat $qarchive|";
4733 } elsif ($comp eq 'lzop') {
4734 $uncomp = "lzop -d -c $qarchive|";
4736 die "unknown compression method '$comp'\n";
4741 my $tmpdir = "/var/tmp/vzdumptmp$$";
4744 # disable interrupts (always do cleanups)
4745 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4746 warn "got interrupt - ignored\n";
4749 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
4750 POSIX
::mkfifo
($mapfifo, 0600);
4753 my $openfifo = sub {
4754 open($fifofh, '>', $mapfifo) || die $!;
4757 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
4764 my $rpcenv = PVE
::RPCEnvironment
::get
();
4766 my $conffile = config_file
($vmid);
4767 my $tmpfn = "$conffile.$$.tmp";
4769 # Note: $oldconf is undef if VM does not exists
4770 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
4772 my $print_devmap = sub {
4773 my $virtdev_hash = {};
4775 my $cfgfn = "$tmpdir/qemu-server.conf";
4777 # we can read the config - that is already extracted
4778 my $fh = IO
::File-
>new($cfgfn, "r") ||
4779 "unable to read qemu-server.conf - $!\n";
4781 while (defined(my $line = <$fh>)) {
4782 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
4783 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
4784 die "archive does not contain data for drive '$virtdev'\n"
4785 if !$devinfo->{$devname};
4786 if (defined($opts->{storage
})) {
4787 $storeid = $opts->{storage
} || 'local';
4788 } elsif (!$storeid) {
4791 $format = 'raw' if !$format;
4792 $devinfo->{$devname}->{devname
} = $devname;
4793 $devinfo->{$devname}->{virtdev
} = $virtdev;
4794 $devinfo->{$devname}->{format
} = $format;
4795 $devinfo->{$devname}->{storeid
} = $storeid;
4797 # check permission on storage
4798 my $pool = $opts->{pool
}; # todo: do we need that?
4799 if ($user ne 'root@pam') {
4800 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
4803 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4807 foreach my $devname (keys %$devinfo) {
4808 die "found no device mapping information for device '$devname'\n"
4809 if !$devinfo->{$devname}->{virtdev
};
4812 my $cfg = cfs_read_file
('storage.cfg');
4814 # create empty/temp config
4816 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4817 foreach_drive
($oldconf, sub {
4818 my ($ds, $drive) = @_;
4820 return if drive_is_cdrom
($drive);
4822 my $volid = $drive->{file
};
4824 return if !$volid || $volid =~ m
|^/|;
4826 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4827 return if !$path || !$owner || ($owner != $vmid);
4829 # Note: only delete disk we want to restore
4830 # other volumes will become unused
4831 if ($virtdev_hash->{$ds}) {
4832 PVE
::Storage
::vdisk_free
($cfg, $volid);
4838 foreach my $virtdev (sort keys %$virtdev_hash) {
4839 my $d = $virtdev_hash->{$virtdev};
4840 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4841 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4843 # test if requested format is supported
4844 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
4845 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
4846 $d->{format
} = $defFormat if !$supported;
4848 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
4849 $d->{format
}, undef, $alloc_size);
4850 print STDERR
"new volume ID is '$volid'\n";
4851 $d->{volid
} = $volid;
4852 my $path = PVE
::Storage
::path
($cfg, $volid);
4854 my $write_zeros = 1;
4855 # fixme: what other storages types initialize volumes with zero?
4856 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
4857 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
4861 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
4863 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
4864 $map->{$virtdev} = $volid;
4867 $fh->seek(0, 0) || die "seek failed - $!\n";
4869 my $outfd = new IO
::File
($tmpfn, "w") ||
4870 die "unable to write config for VM $vmid\n";
4872 my $cookie = { netcount
=> 0 };
4873 while (defined(my $line = <$fh>)) {
4874 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4883 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4884 die "interrupted by signal\n";
4886 local $SIG{ALRM
} = sub { die "got timeout\n"; };
4888 $oldtimeout = alarm($timeout);
4895 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
4896 my ($dev_id, $size, $devname) = ($1, $2, $3);
4897 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
4898 } elsif ($line =~ m/^CTIME: /) {
4899 # we correctly received the vma config, so we can disable
4900 # the timeout now for disk allocation (set to 10 minutes, so
4901 # that we always timeout if something goes wrong)
4904 print $fifofh "done\n";
4905 my $tmp = $oldtimeout || 0;
4906 $oldtimeout = undef;
4912 print "restore vma archive: $cmd\n";
4913 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
4917 alarm($oldtimeout) if $oldtimeout;
4925 my $cfg = cfs_read_file
('storage.cfg');
4926 foreach my $devname (keys %$devinfo) {
4927 my $volid = $devinfo->{$devname}->{volid
};
4930 if ($volid =~ m
|^/|) {
4931 unlink $volid || die 'unlink failed\n';
4933 PVE
::Storage
::vdisk_free
($cfg, $volid);
4935 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4937 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4944 rename($tmpfn, $conffile) ||
4945 die "unable to commit configuration file '$conffile'\n";
4947 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4949 eval { rescan
($vmid, 1); };
4953 sub restore_tar_archive
{
4954 my ($archive, $vmid, $user, $opts) = @_;
4956 if ($archive ne '-') {
4957 my $firstfile = tar_archive_read_firstfile
($archive);
4958 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
4959 if $firstfile ne 'qemu-server.conf';
4962 my $storecfg = cfs_read_file
('storage.cfg');
4964 # destroy existing data - keep empty config
4965 my $vmcfgfn = config_file
($vmid);
4966 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
4968 my $tocmd = "/usr/lib/qemu-server/qmextract";
4970 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
4971 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
4972 $tocmd .= ' --prealloc' if $opts->{prealloc
};
4973 $tocmd .= ' --info' if $opts->{info
};
4975 # tar option "xf" does not autodetect compression when read from STDIN,
4976 # so we pipe to zcat
4977 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
4978 PVE
::Tools
::shellquote
("--to-command=$tocmd");
4980 my $tmpdir = "/var/tmp/vzdumptmp$$";
4983 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
4984 local $ENV{VZDUMP_VMID
} = $vmid;
4985 local $ENV{VZDUMP_USER
} = $user;
4987 my $conffile = config_file
($vmid);
4988 my $tmpfn = "$conffile.$$.tmp";
4990 # disable interrupts (always do cleanups)
4991 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4992 print STDERR
"got interrupt - ignored\n";
4997 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4998 die "interrupted by signal\n";
5001 if ($archive eq '-') {
5002 print "extracting archive from STDIN\n";
5003 run_command
($cmd, input
=> "<&STDIN");
5005 print "extracting archive '$archive'\n";
5009 return if $opts->{info
};
5013 my $statfile = "$tmpdir/qmrestore.stat";
5014 if (my $fd = IO
::File-
>new($statfile, "r")) {
5015 while (defined (my $line = <$fd>)) {
5016 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
5017 $map->{$1} = $2 if $1;
5019 print STDERR
"unable to parse line in statfile - $line\n";
5025 my $confsrc = "$tmpdir/qemu-server.conf";
5027 my $srcfd = new IO
::File
($confsrc, "r") ||
5028 die "unable to open file '$confsrc'\n";
5030 my $outfd = new IO
::File
($tmpfn, "w") ||
5031 die "unable to write config for VM $vmid\n";
5033 my $cookie = { netcount
=> 0 };
5034 while (defined (my $line = <$srcfd>)) {
5035 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
5047 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
5054 rename $tmpfn, $conffile ||
5055 die "unable to commit configuration file '$conffile'\n";
5057 PVE
::Cluster
::cfs_update
(); # make sure we read new file
5059 eval { rescan
($vmid, 1); };
5064 # Internal snapshots
5066 # NOTE: Snapshot create/delete involves several non-atomic
5067 # action, and can take a long time.
5068 # So we try to avoid locking the file and use 'lock' variable
5069 # inside the config file instead.
5071 my $snapshot_copy_config = sub {
5072 my ($source, $dest) = @_;
5074 foreach my $k (keys %$source) {
5075 next if $k eq 'snapshots';
5076 next if $k eq 'snapstate';
5077 next if $k eq 'snaptime';
5078 next if $k eq 'vmstate';
5079 next if $k eq 'lock';
5080 next if $k eq 'digest';
5081 next if $k eq 'description';
5082 next if $k =~ m/^unused\d+$/;
5084 $dest->{$k} = $source->{$k};
5088 my $snapshot_apply_config = sub {
5089 my ($conf, $snap) = @_;
5091 # copy snapshot list
5093 snapshots
=> $conf->{snapshots
},
5096 # keep description and list of unused disks
5097 foreach my $k (keys %$conf) {
5098 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
5099 $newconf->{$k} = $conf->{$k};
5102 &$snapshot_copy_config($snap, $newconf);
5107 sub foreach_writable_storage
{
5108 my ($conf, $func) = @_;
5112 foreach my $ds (keys %$conf) {
5113 next if !valid_drivename
($ds);
5115 my $drive = parse_drive
($ds, $conf->{$ds});
5117 next if drive_is_cdrom
($drive);
5119 my $volid = $drive->{file
};
5121 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
5122 $sidhash->{$sid} = $sid if $sid;
5125 foreach my $sid (sort keys %$sidhash) {
5130 my $alloc_vmstate_volid = sub {
5131 my ($storecfg, $vmid, $conf, $snapname) = @_;
5133 # Note: we try to be smart when selecting a $target storage
5137 # search shared storage first
5138 foreach_writable_storage
($conf, sub {
5140 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5141 return if !$scfg->{shared
};
5143 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
5147 # now search local storage
5148 foreach_writable_storage
($conf, sub {
5150 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
5151 return if $scfg->{shared
};
5153 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
5157 $target = 'local' if !$target;
5159 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
5160 # we abort live save after $conf->{memory}, so we need at max twice that space
5161 my $size = $conf->{memory
}*2 + $driver_state_size;
5163 my $name = "vm-$vmid-state-$snapname";
5164 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
5165 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
5166 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
5171 my $snapshot_prepare = sub {
5172 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5176 my $updatefn = sub {
5178 my $conf = load_config
($vmid);
5180 die "you can't take a snapshot if it's a template\n"
5181 if is_template
($conf);
5185 $conf->{lock} = 'snapshot';
5187 die "snapshot name '$snapname' already used\n"
5188 if defined($conf->{snapshots
}->{$snapname});
5190 my $storecfg = PVE
::Storage
::config
();
5191 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
5193 $snap = $conf->{snapshots
}->{$snapname} = {};
5195 if ($save_vmstate && check_running
($vmid)) {
5196 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
5199 &$snapshot_copy_config($conf, $snap);
5201 $snap->{snapstate
} = "prepare";
5202 $snap->{snaptime
} = time();
5203 $snap->{description
} = $comment if $comment;
5205 # always overwrite machine if we save vmstate. This makes sure we
5206 # can restore it later using correct machine type
5207 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
5209 update_config_nolock
($vmid, $conf, 1);
5212 lock_config
($vmid, $updatefn);
5217 my $snapshot_commit = sub {
5218 my ($vmid, $snapname) = @_;
5220 my $updatefn = sub {
5222 my $conf = load_config
($vmid);
5224 die "missing snapshot lock\n"
5225 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
5227 my $has_machine_config = defined($conf->{machine
});
5229 my $snap = $conf->{snapshots
}->{$snapname};
5231 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5233 die "wrong snapshot state\n"
5234 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
5236 delete $snap->{snapstate
};
5237 delete $conf->{lock};
5239 my $newconf = &$snapshot_apply_config($conf, $snap);
5241 delete $newconf->{machine
} if !$has_machine_config;
5243 $newconf->{parent
} = $snapname;
5245 update_config_nolock
($vmid, $newconf, 1);
5248 lock_config
($vmid, $updatefn);
5251 sub snapshot_rollback
{
5252 my ($vmid, $snapname) = @_;
5258 my $storecfg = PVE
::Storage
::config
();
5260 my $updatefn = sub {
5262 my $conf = load_config
($vmid);
5264 die "you can't rollback if vm is a template\n" if is_template
($conf);
5266 $snap = $conf->{snapshots
}->{$snapname};
5268 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5270 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
5271 if $snap->{snapstate
};
5275 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
5278 die "unable to rollback vm $vmid: vm is running\n"
5279 if check_running
($vmid);
5282 $conf->{lock} = 'rollback';
5284 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
5285 delete $conf->{lock};
5291 my $has_machine_config = defined($conf->{machine
});
5293 # copy snapshot config to current config
5294 $conf = &$snapshot_apply_config($conf, $snap);
5295 $conf->{parent
} = $snapname;
5297 # Note: old code did not store 'machine', so we try to be smart
5298 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
5299 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
5300 # we remove the 'machine' configuration if not explicitly specified
5301 # in the original config.
5302 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
5305 update_config_nolock
($vmid, $conf, 1);
5307 if (!$prepare && $snap->{vmstate
}) {
5308 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5309 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
5313 lock_config
($vmid, $updatefn);
5315 foreach_drive
($snap, sub {
5316 my ($ds, $drive) = @_;
5318 return if drive_is_cdrom
($drive);
5320 my $volid = $drive->{file
};
5321 my $device = "drive-$ds";
5323 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
5327 lock_config
($vmid, $updatefn);
5330 my $savevm_wait = sub {
5334 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5335 if (!$stat->{status
}) {
5336 die "savevm not active\n";
5337 } elsif ($stat->{status
} eq 'active') {
5340 } elsif ($stat->{status
} eq 'completed') {
5343 die "query-savevm returned status '$stat->{status}'\n";
5348 sub snapshot_create
{
5349 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
5351 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
5353 $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
5355 my $config = load_config
($vmid);
5357 my $running = check_running
($vmid);
5359 my $freezefs = $running && $config->{agent
};
5360 $freezefs = 0 if $snap->{vmstate
}; # not needed if we save RAM
5365 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-freeze"); };
5366 warn "guest-fsfreeze-freeze problems - $@" if $@;
5370 # create internal snapshots of all drives
5372 my $storecfg = PVE
::Storage
::config
();
5375 if ($snap->{vmstate
}) {
5376 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
5377 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
5378 &$savevm_wait($vmid);
5380 vm_mon_cmd
($vmid, "savevm-start");
5384 foreach_drive
($snap, sub {
5385 my ($ds, $drive) = @_;
5387 return if drive_is_cdrom
($drive);
5389 my $volid = $drive->{file
};
5390 my $device = "drive-$ds";
5392 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
5393 $drivehash->{$ds} = 1;
5399 eval { vm_mon_cmd
($vmid, "savevm-end") };
5403 eval { vm_mon_cmd
($vmid, "guest-fsfreeze-thaw"); };
5404 warn "guest-fsfreeze-thaw problems - $@" if $@;
5407 # savevm-end is async, we need to wait
5409 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
5410 if (!$stat->{bytes
}) {
5413 print "savevm not yet finished\n";
5421 warn "snapshot create failed: starting cleanup\n";
5422 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
5427 &$snapshot_commit($vmid, $snapname);
5430 # Note: $drivehash is only set when called from snapshot_create.
5431 sub snapshot_delete
{
5432 my ($vmid, $snapname, $force, $drivehash) = @_;
5439 my $unlink_parent = sub {
5440 my ($confref, $new_parent) = @_;
5442 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
5444 $confref->{parent
} = $new_parent;
5446 delete $confref->{parent
};
5451 my $updatefn = sub {
5452 my ($remove_drive) = @_;
5454 my $conf = load_config
($vmid);
5458 die "you can't delete a snapshot if vm is a template\n"
5459 if is_template
($conf);
5462 $snap = $conf->{snapshots
}->{$snapname};
5464 die "snapshot '$snapname' does not exist\n" if !defined($snap);
5466 # remove parent refs
5468 &$unlink_parent($conf, $snap->{parent
});
5469 foreach my $sn (keys %{$conf->{snapshots
}}) {
5470 next if $sn eq $snapname;
5471 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
5475 if ($remove_drive) {
5476 if ($remove_drive eq 'vmstate') {
5477 delete $snap->{$remove_drive};
5479 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
5480 my $volid = $drive->{file
};
5481 delete $snap->{$remove_drive};
5482 add_unused_volume
($conf, $volid);
5487 $snap->{snapstate
} = 'delete';
5489 delete $conf->{snapshots
}->{$snapname};
5490 delete $conf->{lock} if $drivehash;
5491 foreach my $volid (@$unused) {
5492 add_unused_volume
($conf, $volid);
5496 update_config_nolock
($vmid, $conf, 1);
5499 lock_config
($vmid, $updatefn);
5501 # now remove vmstate file
5503 my $storecfg = PVE
::Storage
::config
();
5505 if ($snap->{vmstate
}) {
5506 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
5508 die $err if !$force;
5511 # save changes (remove vmstate from snapshot)
5512 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
5515 # now remove all internal snapshots
5516 foreach_drive
($snap, sub {
5517 my ($ds, $drive) = @_;
5519 return if drive_is_cdrom
($drive);
5521 my $volid = $drive->{file
};
5522 my $device = "drive-$ds";
5524 if (!$drivehash || $drivehash->{$ds}) {
5525 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
5527 die $err if !$force;
5532 # save changes (remove drive fron snapshot)
5533 lock_config
($vmid, $updatefn, $ds) if !$force;
5534 push @$unused, $volid;
5537 # now cleanup config
5539 lock_config
($vmid, $updatefn);
5543 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
5546 foreach_drive
($conf, sub {
5547 my ($ds, $drive) = @_;
5549 return if drive_is_cdrom
($drive);
5550 my $volid = $drive->{file
};
5551 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
5554 return $err ?
0 : 1;
5557 sub template_create
{
5558 my ($vmid, $conf, $disk) = @_;
5560 my $storecfg = PVE
::Storage
::config
();
5562 foreach_drive
($conf, sub {
5563 my ($ds, $drive) = @_;
5565 return if drive_is_cdrom
($drive);
5566 return if $disk && $ds ne $disk;
5568 my $volid = $drive->{file
};
5569 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5571 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5572 $drive->{file
} = $voliddst;
5573 $conf->{$ds} = print_drive
($vmid, $drive);
5574 update_config_nolock
($vmid, $conf, 1);
5581 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
5584 sub qemu_img_convert
{
5585 my ($src_volid, $dst_volid, $size, $snapname) = @_;
5587 my $storecfg = PVE
::Storage
::config
();
5588 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5589 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5591 if ($src_storeid && $dst_storeid) {
5592 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5593 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5595 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5596 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5598 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5599 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5602 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
5603 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5604 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
5608 if($line =~ m/\((\S+)\/100\
%\)/){
5610 my $transferred = int($size * $percent / 100);
5611 my $remaining = $size - $transferred;
5613 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5618 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5620 die "copy failed: $err" if $err;
5624 sub qemu_img_format
{
5625 my ($scfg, $volname) = @_;
5627 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
5629 } elsif ($scfg->{type
} eq 'iscsi') {
5630 return "host_device";
5636 sub qemu_drive_mirror
{
5637 my ($vmid, $drive, $dst_volid, $vmiddst) = @_;
5644 my $storecfg = PVE
::Storage
::config
();
5645 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid);
5647 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5650 if ($dst_volname =~ m/\.(raw|qcow2)$/){
5654 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5656 my $opts = { timeout
=> 10, device
=> "drive-$drive", mode
=> "existing", sync
=> "full", target
=> $dst_path };
5657 $opts->{format
} = $format if $format;
5659 #fixme : sometime drive-mirror timeout, but works fine after.
5660 # (I have see the problem with big volume > 200GB), so we need to eval
5661 eval { vm_mon_cmd
($vmid, "drive-mirror", %$opts); };
5662 # ignore errors here
5666 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5667 my $stat = @$stats[0];
5668 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
5669 die "error job is not mirroring" if $stat->{type
} ne "mirror";
5671 my $busy = $stat->{busy
};
5673 if (my $total = $stat->{len
}) {
5674 my $transferred = $stat->{offset
} || 0;
5675 my $remaining = $total - $transferred;
5676 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
5678 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent % busy: $busy\n";
5681 if ($stat->{len
} == $stat->{offset
}) {
5682 if ($busy eq 'false') {
5684 last if $vmiddst != $vmid;
5686 # try to switch the disk if source and destination are on the same guest
5687 eval { vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive") };
5689 die $@ if $@ !~ m/cannot be completed/;
5692 if ($count > $maxwait) {
5693 # if too much writes to disk occurs at the end of migration
5694 #the disk needs to be freezed to be able to complete the migration
5695 vm_suspend
($vmid,1);
5700 $old_len = $stat->{offset
};
5704 vm_resume
($vmid, 1) if $frozen;
5709 my $cancel_job = sub {
5710 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
5712 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5713 my $stat = @$stats[0];
5720 eval { &$cancel_job(); };
5721 die "mirroring error: $err";
5724 if ($vmiddst != $vmid) {
5725 # if we clone a disk for a new target vm, we don't switch the disk
5726 &$cancel_job(); # so we call block-job-cancel
5731 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
5732 $newvmid, $storage, $format, $full, $newvollist) = @_;
5737 print "create linked clone of drive $drivename ($drive->{file})\n";
5738 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
5739 push @$newvollist, $newvolid;
5741 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
5742 $storeid = $storage if $storage;
5744 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
5746 $format = $drive->{format
} || $defFormat;
5749 # test if requested format is supported - else use default
5750 my $supported = grep { $_ eq $format } @$validFormats;
5751 $format = $defFormat if !$supported;
5753 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
5755 print "create full clone of drive $drivename ($drive->{file})\n";
5756 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
5757 push @$newvollist, $newvolid;
5759 if (!$running || $snapname) {
5760 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
5762 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
5766 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
5769 $disk->{format
} = undef;
5770 $disk->{file
} = $newvolid;
5771 $disk->{size
} = $size;
5776 # this only works if VM is running
5777 sub get_current_qemu_machine
{
5780 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
5781 my $res = vm_qmp_command
($vmid, $cmd);
5783 my ($current, $default);
5784 foreach my $e (@$res) {
5785 $default = $e->{name
} if $e->{'is-default'};
5786 $current = $e->{name
} if $e->{'is-current'};
5789 # fallback to the default machine if current is not supported by qemu
5790 return $current || $default || 'pc';
5797 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
5798 my (undef, $id, $function) = @_;
5799 my $res = { id
=> $id, function
=> $function};
5800 push @{$devices->{$id}}, $res;