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
=> "Specifies whether a VM will be started during system bootup.",
164 description
=> "Automatic restart after crash (currently ignored).",
170 description
=> "Allow hotplug for disk and network device",
176 description
=> "Allow reboot. If set to '0' the VM exit on reboot.",
182 description
=> "Lock/unlock the VM.",
183 enum
=> [qw(migrate backup snapshot rollback)],
188 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.",
195 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.",
203 description
=> "Amount of RAM for the VM in MB. This is the maximum available memory when you use the balloon device.",
210 description
=> "Amount of target RAM for the VM in MB. Using zero disables the ballon driver.",
216 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",
224 description
=> "Keybord layout for vnc server. Default is read from the datacenter configuration file.",
225 enum
=> PVE
::Tools
::kvmkeymaplist
(),
230 type
=> 'string', format
=> 'dns-name',
231 description
=> "Set a name for the VM. Only used on the configuration web interface.",
236 description
=> "scsi controller model",
237 enum
=> [qw(lsi lsi53c810 virtio-scsi-pci megasas pvscsi)],
243 description
=> "Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.",
248 enum
=> [qw(other wxp w2k w2k3 w2k8 wvista win7 win8 l24 l26 solaris)],
249 description
=> <<EODESC,
250 Used to enable special optimization/features for specific
253 other => unspecified OS
254 wxp => Microsoft Windows XP
255 w2k => Microsoft Windows 2000
256 w2k3 => Microsoft Windows 2003
257 w2k8 => Microsoft Windows 2008
258 wvista => Microsoft Windows Vista
259 win7 => Microsoft Windows 7
260 win8 => Microsoft Windows 8/2012
261 l24 => Linux 2.4 Kernel
262 l26 => Linux 2.6/3.X Kernel
263 solaris => solaris/opensolaris/openindiania kernel
265 other|l24|l26|solaris ... no special behaviour
266 wxp|w2k|w2k3|w2k8|wvista|win7|win8 ... use --localtime switch
272 description
=> "Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).",
273 pattern
=> '[acdn]{1,4}',
278 type
=> 'string', format
=> 'pve-qm-bootdisk',
279 description
=> "Enable booting from specified disk.",
280 pattern
=> '(ide|sata|scsi|virtio)\d+',
285 description
=> "The number of CPUs. Please use option -sockets instead.",
292 description
=> "The number of CPU sockets.",
299 description
=> "The number of cores per socket.",
306 description
=> "Maximum cpus for hotplug.",
313 description
=> "Enable/disable ACPI.",
319 description
=> "Enable/disable Qemu GuestAgent.",
325 description
=> "Enable/disable KVM hardware virtualization.",
331 description
=> "Enable/disable time drift fix.",
337 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
342 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
347 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.",
348 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
352 type
=> 'string', format
=> 'pve-qm-watchdog',
353 typetext
=> '[[model=]i6300esb|ib700] [,[action=]reset|shutdown|poweroff|pause|debug|none]',
354 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)",
359 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
360 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'.",
361 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
366 type
=> 'string', format
=> 'pve-qm-startup',
367 typetext
=> '[[order=]\d+] [,up=\d+] [,down=\d+] ',
368 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.",
373 description
=> "Enable/disable Template.",
379 description
=> <<EODESCR,
380 Note: this option is for experts only. It allows you to pass arbitrary arguments to kvm, for example:
382 args: -no-reboot -no-hpet
389 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).",
394 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
398 migrate_downtime
=> {
401 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
407 type
=> 'string', format
=> 'pve-qm-drive',
408 typetext
=> 'volume',
409 description
=> "This is an alias for option -ide2",
413 description
=> "Emulated CPU type.",
415 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) ],
418 parent
=> get_standard_option
('pve-snapshot-name', {
420 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
424 description
=> "Timestamp for snapshots.",
430 type
=> 'string', format
=> 'pve-volume-id',
431 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
434 description
=> "Specific the Qemu machine type.",
436 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+|q35|pc-q35-\d+\.\d+)',
441 description
=> "Specify SMBIOS type 1 fields.",
442 type
=> 'string', format
=> 'pve-qm-smbios1',
443 typetext
=> "[manufacturer=str][,product=str][,version=str][,serial=str] [,uuid=uuid][,sku=str][,family=str]",
449 # what about other qemu settings ?
451 #machine => 'string',
464 ##soundhw => 'string',
466 while (my ($k, $v) = each %$confdesc) {
467 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
470 my $MAX_IDE_DISKS = 4;
471 my $MAX_SCSI_DISKS = 14;
472 my $MAX_VIRTIO_DISKS = 16;
473 my $MAX_SATA_DISKS = 6;
474 my $MAX_USB_DEVICES = 5;
476 my $MAX_UNUSED_DISKS = 8;
477 my $MAX_HOSTPCI_DEVICES = 4;
478 my $MAX_SERIAL_PORTS = 4;
479 my $MAX_PARALLEL_PORTS = 3;
481 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
482 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3'];
483 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
487 type
=> 'string', format
=> 'pve-qm-net',
488 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,queues=<nbqueues>][,rate=<mbps>][,tag=<vlanid>][,firewall=0|1]",
489 description
=> <<EODESCR,
490 Specify network devices.
492 MODEL is one of: $nic_model_list_txt
494 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
495 automatically generated if not specified.
497 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
499 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'.
501 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
507 The DHCP server assign addresses to the guest starting from 10.0.2.15.
511 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
513 for (my $i = 0; $i < $MAX_NETS; $i++) {
514 $confdesc->{"net$i"} = $netdesc;
521 type
=> 'string', format
=> 'pve-qm-drive',
522 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
523 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
525 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
529 type
=> 'string', format
=> 'pve-qm-drive',
530 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
531 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
533 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
537 type
=> 'string', format
=> 'pve-qm-drive',
538 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
539 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
541 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
545 type
=> 'string', format
=> 'pve-qm-drive',
546 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
547 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
549 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
553 type
=> 'string', format
=> 'pve-qm-usb-device',
554 typetext
=> 'host=HOSTUSBDEVICE|spice',
555 description
=> <<EODESCR,
556 Configure an USB device (n is 0 to 4). This can be used to
557 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
559 'bus-port(.port)*' (decimal numbers) or
560 'vendor_id:product_id' (hexadeciaml numbers)
562 You can use the 'lsusb -t' command to list existing usb devices.
564 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
566 The value 'spice' can be used to add a usb redirection devices for spice.
570 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
574 type
=> 'string', format
=> 'pve-qm-hostpci',
575 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off] [,pcie=0|1] [,x-vga=on|off]",
576 description
=> <<EODESCR,
577 Map host pci devices. HOSTPCIDEVICE syntax is:
579 'bus:dev.func' (hexadecimal numbers)
581 You can us the 'lspci' command to list existing pci devices.
583 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
585 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
587 Experimental: user reported problems with this option.
590 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
595 pattern
=> '(/dev/ttyS\d+|socket)',
596 description
=> <<EODESCR,
597 Create a serial device inside the VM (n is 0 to 3), and pass through a host serial device, or create a unix socket on the host side (use 'qm terminal' to open a terminal connection).
599 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
601 Experimental: user reported problems with this option.
608 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
609 description
=> <<EODESCR,
610 Map host parallel devices (n is 0 to 2).
612 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
614 Experimental: user reported problems with this option.
618 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
619 $confdesc->{"parallel$i"} = $paralleldesc;
622 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
623 $confdesc->{"serial$i"} = $serialdesc;
626 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
627 $confdesc->{"hostpci$i"} = $hostpcidesc;
630 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
631 $drivename_hash->{"ide$i"} = 1;
632 $confdesc->{"ide$i"} = $idedesc;
635 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
636 $drivename_hash->{"sata$i"} = 1;
637 $confdesc->{"sata$i"} = $satadesc;
640 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
641 $drivename_hash->{"scsi$i"} = 1;
642 $confdesc->{"scsi$i"} = $scsidesc ;
645 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
646 $drivename_hash->{"virtio$i"} = 1;
647 $confdesc->{"virtio$i"} = $virtiodesc;
650 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
651 $confdesc->{"usb$i"} = $usbdesc;
656 type
=> 'string', format
=> 'pve-volume-id',
657 description
=> "Reference to unused volumes.",
660 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
661 $confdesc->{"unused$i"} = $unuseddesc;
664 my $kvm_api_version = 0;
668 return $kvm_api_version if $kvm_api_version;
670 my $fh = IO
::File-
>new("</dev/kvm") ||
673 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
674 $kvm_api_version = $v;
679 return $kvm_api_version;
682 my $kvm_user_version;
684 sub kvm_user_version
{
686 return $kvm_user_version if $kvm_user_version;
688 $kvm_user_version = 'unknown';
690 my $tmp = `kvm -help 2>/dev/null`;
692 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
693 $kvm_user_version = $2;
696 return $kvm_user_version;
700 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
703 # order is important - used to autoselect boot disk
704 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
705 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
706 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
707 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
710 sub valid_drivename
{
713 return defined($drivename_hash->{$dev});
718 return defined($confdesc->{$key});
722 return $nic_model_list;
725 sub os_list_description
{
730 w2k
=> 'Windows 2000',
731 w2k3
=>, 'Windows 2003',
732 w2k8
=> 'Windows 2008',
733 wvista
=> 'Windows Vista',
735 win8
=> 'Windows 8/2012',
745 return $cdrom_path if $cdrom_path;
747 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
748 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
749 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
753 my ($storecfg, $vmid, $cdrom) = @_;
755 if ($cdrom eq 'cdrom') {
756 return get_cdrom_path
();
757 } elsif ($cdrom eq 'none') {
759 } elsif ($cdrom =~ m
|^/|) {
762 return PVE
::Storage
::path
($storecfg, $cdrom);
766 # try to convert old style file names to volume IDs
767 sub filename_to_volume_id
{
768 my ($vmid, $file, $media) = @_;
770 if (!($file eq 'none' || $file eq 'cdrom' ||
771 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
773 return undef if $file =~ m
|/|;
775 if ($media && $media eq 'cdrom') {
776 $file = "local:iso/$file";
778 $file = "local:$vmid/$file";
785 sub verify_media_type
{
786 my ($opt, $vtype, $media) = @_;
791 if ($media eq 'disk') {
793 } elsif ($media eq 'cdrom') {
796 die "internal error";
799 return if ($vtype eq $etype);
801 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
804 sub cleanup_drive_path
{
805 my ($opt, $storecfg, $drive) = @_;
807 # try to convert filesystem paths to volume IDs
809 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
810 ($drive->{file
} !~ m
|^/dev/.+|) &&
811 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
812 ($drive->{file
} !~ m/^\d+$/)) {
813 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
814 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
815 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
816 verify_media_type
($opt, $vtype, $drive->{media
});
817 $drive->{file
} = $volid;
820 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
823 sub create_conf_nolock
{
824 my ($vmid, $settings) = @_;
826 my $filename = config_file
($vmid);
828 die "configuration file '$filename' already exists\n" if -f
$filename;
830 my $defaults = load_defaults
();
832 $settings->{name
} = "vm$vmid" if !$settings->{name
};
833 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
836 foreach my $opt (keys %$settings) {
837 next if !$confdesc->{$opt};
839 my $value = $settings->{$opt};
842 $data .= "$opt: $value\n";
845 PVE
::Tools
::file_set_contents
($filename, $data);
848 my $parse_size = sub {
851 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
852 my ($size, $unit) = ($1, $3);
855 $size = $size * 1024;
856 } elsif ($unit eq 'M') {
857 $size = $size * 1024 * 1024;
858 } elsif ($unit eq 'G') {
859 $size = $size * 1024 * 1024 * 1024;
865 my $format_size = sub {
870 my $kb = int($size/1024);
871 return $size if $kb*1024 != $size;
873 my $mb = int($kb/1024);
874 return "${kb}K" if $mb*1024 != $kb;
876 my $gb = int($mb/1024);
877 return "${mb}M" if $gb*1024 != $mb;
882 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
883 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
884 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
885 # [,aio=native|threads][,discard=ignore|on]
888 my ($key, $data) = @_;
892 # $key may be undefined - used to verify JSON parameters
893 if (!defined($key)) {
894 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
896 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
897 $res->{interface
} = $1;
903 foreach my $p (split (/,/, $data)) {
904 next if $p =~ m/^\s*$/;
906 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
907 my ($k, $v) = ($1, $2);
909 $k = 'file' if $k eq 'volume';
911 return undef if defined $res->{$k};
913 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
914 return undef if !$v || $v !~ m/^\d+/;
916 $v = sprintf("%.3f", $v / (1024*1024));
920 if (!$res->{file
} && $p !~ m/=/) {
928 return undef if !$res->{file
};
930 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
934 return undef if $res->{cache
} &&
935 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
936 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
937 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
938 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
939 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
940 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
941 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
942 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
943 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
944 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
945 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
946 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
947 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
949 return undef if $res->{mbps_rd
} && $res->{mbps
};
950 return undef if $res->{mbps_wr
} && $res->{mbps
};
952 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
953 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
954 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
955 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
956 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
957 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
959 return undef if $res->{iops_rd
} && $res->{iops
};
960 return undef if $res->{iops_wr
} && $res->{iops
};
963 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
964 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
965 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
966 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
967 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
968 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
972 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
975 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
976 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
977 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
978 return undef if $res->{interface
} eq 'virtio';
981 # rerror does not work with scsi drives
982 if ($res->{rerror
}) {
983 return undef if $res->{interface
} eq 'scsi';
989 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
992 my ($vmid, $drive) = @_;
995 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
996 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
999 if ($drive->{size
}) {
1000 $opts .= ",size=" . &$format_size($drive->{size
});
1003 return "$drive->{file}$opts";
1007 my($fh, $noerr) = @_;
1010 my $SG_GET_VERSION_NUM = 0x2282;
1012 my $versionbuf = "\x00" x
8;
1013 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1015 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1018 my $version = unpack("I", $versionbuf);
1019 if ($version < 30000) {
1020 die "scsi generic interface too old\n" if !$noerr;
1024 my $buf = "\x00" x
36;
1025 my $sensebuf = "\x00" x
8;
1026 my $cmd = pack("C x3 C x1", 0x12, 36);
1028 # see /usr/include/scsi/sg.h
1029 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";
1031 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1032 length($sensebuf), 0, length($buf), $buf,
1033 $cmd, $sensebuf, 6000);
1035 $ret = ioctl($fh, $SG_IO, $packet);
1037 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1041 my @res = unpack($sg_io_hdr_t, $packet);
1042 if ($res[17] || $res[18]) {
1043 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1048 (my $byte0, my $byte1, $res->{vendor
},
1049 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1051 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1052 $res->{type
} = $byte0 & 31;
1060 my $fh = IO
::File-
>new("+<$path") || return undef;
1061 my $res = scsi_inquiry
($fh, 1);
1067 sub machine_type_is_q35
{
1070 return $conf->{machine
} && ($conf->{machine
} =~ m/q35/) ?
1 : 0;
1073 sub print_tabletdevice_full
{
1076 my $q35 = machine_type_is_q35
($conf);
1078 # we use uhci for old VMs because tablet driver was buggy in older qemu
1079 my $usbbus = $q35 ?
"ehci" : "uhci";
1081 return "usb-tablet,id=tablet,bus=$usbbus.0,port=1";
1084 sub print_drivedevice_full
{
1085 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1090 if ($drive->{interface
} eq 'virtio') {
1091 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1092 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1093 } elsif ($drive->{interface
} eq 'scsi') {
1094 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1095 my $controller = int($drive->{index} / $maxdev);
1096 my $unit = $drive->{index} % $maxdev;
1097 my $devicetype = 'hd';
1099 if (drive_is_cdrom
($drive)) {
1102 if ($drive->{file
} =~ m
|^/|) {
1103 $path = $drive->{file
};
1105 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1108 if($path =~ m/^iscsi\:\/\
//){
1109 $devicetype = 'generic';
1111 if (my $info = path_is_scsi
($path)) {
1112 if ($info->{type
} == 0) {
1113 $devicetype = 'block';
1114 } elsif ($info->{type
} == 1) { # tape
1115 $devicetype = 'generic';
1121 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1122 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1124 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1127 } elsif ($drive->{interface
} eq 'ide'){
1129 my $controller = int($drive->{index} / $maxdev);
1130 my $unit = $drive->{index} % $maxdev;
1131 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1133 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1134 } elsif ($drive->{interface
} eq 'sata'){
1135 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1136 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1137 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1138 } elsif ($drive->{interface
} eq 'usb') {
1140 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1142 die "unsupported interface type";
1145 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1150 sub get_initiator_name
{
1153 my $fh = IO
::File-
>new('/etc/iscsi/initiatorname.iscsi') || return undef;
1154 while (defined(my $line = <$fh>)) {
1155 next if $line !~ m/^\s*InitiatorName\s*=\s*([\.\-:\w]+)/;
1164 sub print_drive_full
{
1165 my ($storecfg, $vmid, $drive) = @_;
1168 foreach my $o (@qemu_drive_options) {
1169 next if $o eq 'bootindex';
1170 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1173 foreach my $o (qw(bps bps_rd bps_wr)) {
1174 my $v = $drive->{"m$o"};
1175 $opts .= ",$o=" . int($v*1024*1024) if $v;
1178 # use linux-aio by default (qemu default is threads)
1179 $opts .= ",aio=native" if !$drive->{aio
};
1182 my $volid = $drive->{file
};
1183 if (drive_is_cdrom
($drive)) {
1184 $path = get_iso_path
($storecfg, $vmid, $volid);
1186 if ($volid =~ m
|^/|) {
1189 $path = PVE
::Storage
::path
($storecfg, $volid);
1193 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1195 my $pathinfo = $path ?
"file=$path," : '';
1197 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1200 sub print_netdevice_full
{
1201 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1203 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1205 my $device = $net->{model
};
1206 if ($net->{model
} eq 'virtio') {
1207 $device = 'virtio-net-pci';
1210 # qemu > 0.15 always try to boot from network - we disable that by
1211 # not loading the pxe rom file
1212 my $extra = ($bootorder !~ m/n/) ?
"romfile=," : '';
1213 my $pciaddr = print_pci_addr
("$netid", $bridges);
1214 my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1215 if ($net->{queues
} && $net->{queues
} > 1 && $net->{model
} eq 'virtio'){
1216 #Consider we have N queues, the number of vectors needed is 2*N + 2 (plus one config interrupt and control vq)
1217 my $vectors = $net->{queues
} * 2 + 2;
1218 $tmpstr .= ",vectors=$vectors,mq=on";
1220 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1224 sub print_netdev_full
{
1225 my ($vmid, $conf, $net, $netid) = @_;
1228 if ($netid =~ m/^net(\d+)$/) {
1232 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1234 my $ifname = "tap${vmid}i$i";
1236 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1237 die "interface name '$ifname' is too long (max 15 character)\n"
1238 if length($ifname) >= 16;
1240 my $vhostparam = '';
1241 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1243 my $vmname = $conf->{name
} || "vm$vmid";
1247 if ($net->{bridge
}) {
1248 $netdev = "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown$vhostparam";
1250 $netdev = "type=user,id=$netid,hostname=$vmname";
1253 $netdev .= ",queues=$net->{queues}" if ($net->{queues
} && $net->{model
} eq 'virtio');
1258 sub drive_is_cdrom
{
1261 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1268 return undef if !$value;
1271 my @list = split(/,/, $value);
1275 foreach my $kv (@list) {
1277 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2})(\.([a-f0-9]))?$/) {
1280 push @{$res->{pciid
}}, { id
=> $2 , function
=> $4};
1283 my $pcidevices = lspci
($2);
1284 $res->{pciid
} = $pcidevices->{$2};
1286 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1287 $res->{driver
} = $1;
1288 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1289 $res->{rombar
} = $1;
1290 } elsif ($kv =~ m/^x-vga=(on|off)$/) {
1291 $res->{'x-vga'} = $1;
1292 } elsif ($kv =~ m/^pcie=(\d+)$/) {
1293 $res->{pcie
} = 1 if $1 == 1;
1295 warn "unknown hostpci setting '$kv'\n";
1299 return undef if !$found;
1304 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1310 foreach my $kvp (split(/,/, $data)) {
1312 if ($kvp =~ m/^(ne2k_pci|e1000|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1314 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1315 $res->{model
} = $model;
1316 $res->{macaddr
} = $mac;
1317 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1318 $res->{bridge
} = $1;
1319 } elsif ($kvp =~ m/^queues=(\d+)$/) {
1320 $res->{queues
} = $1;
1321 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1323 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1325 } elsif ($kvp =~ m/^firewall=(\d+)$/) {
1326 $res->{firewall
} = $1;
1333 return undef if !$res->{model
};
1341 my $res = "$net->{model}";
1342 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1343 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1344 $res .= ",rate=$net->{rate}" if $net->{rate
};
1345 $res .= ",tag=$net->{tag}" if $net->{tag
};
1346 $res .= ",firewall=$net->{firewall}" if $net->{firewall
};
1351 sub add_random_macs
{
1352 my ($settings) = @_;
1354 foreach my $opt (keys %$settings) {
1355 next if $opt !~ m/^net(\d+)$/;
1356 my $net = parse_net
($settings->{$opt});
1358 $settings->{$opt} = print_net
($net);
1362 sub add_unused_volume
{
1363 my ($config, $volid) = @_;
1366 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1367 my $test = "unused$ind";
1368 if (my $vid = $config->{$test}) {
1369 return if $vid eq $volid; # do not add duplicates
1375 die "To many unused volume - please delete them first.\n" if !$key;
1377 $config->{$key} = $volid;
1382 my $valid_smbios1_options = {
1383 manufacturer
=> '\S+',
1387 uuid
=> '[a-fA-F0-9]{8}(?:-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}',
1392 # smbios: [manufacturer=str][,product=str][,version=str][,serial=str][,uuid=uuid][,sku=str][,family=str]
1398 foreach my $kvp (split(/,/, $data)) {
1399 return undef if $kvp !~ m/^(\S+)=(.+)$/;
1400 my ($k, $v) = split(/=/, $kvp);
1401 return undef if !defined($k) || !defined($v);
1402 return undef if !$valid_smbios1_options->{$k};
1403 return undef if $v !~ m/^$valid_smbios1_options->{$k}$/;
1414 foreach my $k (keys %$smbios1) {
1415 next if !defined($smbios1->{$k});
1416 next if !$valid_smbios1_options->{$k};
1417 $data .= ',' if $data;
1418 $data .= "$k=$smbios1->{$k}";
1423 PVE
::JSONSchema
::register_format
('pve-qm-smbios1', \
&verify_smbios1
);
1424 sub verify_smbios1
{
1425 my ($value, $noerr) = @_;
1427 return $value if parse_smbios1
($value);
1429 return undef if $noerr;
1431 die "unable to parse smbios (type 1) options\n";
1434 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1435 sub verify_bootdisk
{
1436 my ($value, $noerr) = @_;
1438 return $value if valid_drivename
($value);
1440 return undef if $noerr;
1442 die "invalid boot disk '$value'\n";
1445 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1447 my ($value, $noerr) = @_;
1449 return $value if parse_net
($value);
1451 return undef if $noerr;
1453 die "unable to parse network options\n";
1456 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1458 my ($value, $noerr) = @_;
1460 return $value if parse_drive
(undef, $value);
1462 return undef if $noerr;
1464 die "unable to parse drive options\n";
1467 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1468 sub verify_hostpci
{
1469 my ($value, $noerr) = @_;
1471 return $value if parse_hostpci
($value);
1473 return undef if $noerr;
1475 die "unable to parse pci id\n";
1478 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1479 sub verify_watchdog
{
1480 my ($value, $noerr) = @_;
1482 return $value if parse_watchdog
($value);
1484 return undef if $noerr;
1486 die "unable to parse watchdog options\n";
1489 sub parse_watchdog
{
1492 return undef if !$value;
1496 foreach my $p (split(/,/, $value)) {
1497 next if $p =~ m/^\s*$/;
1499 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1501 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1502 $res->{action
} = $2;
1511 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1512 sub verify_startup
{
1513 my ($value, $noerr) = @_;
1515 return $value if parse_startup
($value);
1517 return undef if $noerr;
1519 die "unable to parse startup options\n";
1525 return undef if !$value;
1529 foreach my $p (split(/,/, $value)) {
1530 next if $p =~ m/^\s*$/;
1532 if ($p =~ m/^(order=)?(\d+)$/) {
1534 } elsif ($p =~ m/^up=(\d+)$/) {
1536 } elsif ($p =~ m/^down=(\d+)$/) {
1546 sub parse_usb_device
{
1549 return undef if !$value;
1551 my @dl = split(/,/, $value);
1555 foreach my $v (@dl) {
1556 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1558 $res->{vendorid
} = $2;
1559 $res->{productid
} = $4;
1560 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1562 $res->{hostbus
} = $1;
1563 $res->{hostport
} = $2;
1564 } elsif ($v =~ m/^spice$/) {
1571 return undef if !$found;
1576 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1577 sub verify_usb_device
{
1578 my ($value, $noerr) = @_;
1580 return $value if parse_usb_device
($value);
1582 return undef if $noerr;
1584 die "unable to parse usb device\n";
1587 # add JSON properties for create and set function
1588 sub json_config_properties
{
1591 foreach my $opt (keys %$confdesc) {
1592 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1593 $prop->{$opt} = $confdesc->{$opt};
1600 my ($key, $value) = @_;
1602 die "unknown setting '$key'\n" if !$confdesc->{$key};
1604 my $type = $confdesc->{$key}->{type
};
1606 if (!defined($value)) {
1607 die "got undefined value\n";
1610 if ($value =~ m/[\n\r]/) {
1611 die "property contains a line feed\n";
1614 if ($type eq 'boolean') {
1615 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1616 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1617 die "type check ('boolean') failed - got '$value'\n";
1618 } elsif ($type eq 'integer') {
1619 return int($1) if $value =~ m/^(\d+)$/;
1620 die "type check ('integer') failed - got '$value'\n";
1621 } elsif ($type eq 'number') {
1622 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1623 die "type check ('number') failed - got '$value'\n";
1624 } elsif ($type eq 'string') {
1625 if (my $fmt = $confdesc->{$key}->{format
}) {
1626 if ($fmt eq 'pve-qm-drive') {
1627 # special case - we need to pass $key to parse_drive()
1628 my $drive = parse_drive
($key, $value);
1629 return $value if $drive;
1630 die "unable to parse drive options\n";
1632 PVE
::JSONSchema
::check_format
($fmt, $value);
1635 $value =~ s/^\"(.*)\"$/$1/;
1638 die "internal error"
1642 sub lock_config_full
{
1643 my ($vmid, $timeout, $code, @param) = @_;
1645 my $filename = config_file_lock
($vmid);
1647 my $res = lock_file
($filename, $timeout, $code, @param);
1654 sub lock_config_mode
{
1655 my ($vmid, $timeout, $shared, $code, @param) = @_;
1657 my $filename = config_file_lock
($vmid);
1659 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1667 my ($vmid, $code, @param) = @_;
1669 return lock_config_full
($vmid, 10, $code, @param);
1672 sub cfs_config_path
{
1673 my ($vmid, $node) = @_;
1675 $node = $nodename if !$node;
1676 return "nodes/$node/qemu-server/$vmid.conf";
1679 sub check_iommu_support
{
1680 #fixme : need to check IOMMU support
1681 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1689 my ($vmid, $node) = @_;
1691 my $cfspath = cfs_config_path
($vmid, $node);
1692 return "/etc/pve/$cfspath";
1695 sub config_file_lock
{
1698 return "$lock_dir/lock-$vmid.conf";
1704 my $conf = config_file
($vmid);
1705 utime undef, undef, $conf;
1709 my ($storecfg, $vmid, $keep_empty_config) = @_;
1711 my $conffile = config_file
($vmid);
1713 my $conf = load_config
($vmid);
1717 # only remove disks owned by this VM
1718 foreach_drive
($conf, sub {
1719 my ($ds, $drive) = @_;
1721 return if drive_is_cdrom
($drive);
1723 my $volid = $drive->{file
};
1725 return if !$volid || $volid =~ m
|^/|;
1727 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1728 return if !$path || !$owner || ($owner != $vmid);
1730 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1733 if ($keep_empty_config) {
1734 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1739 # also remove unused disk
1741 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1744 PVE
::Storage
::foreach_volid
($dl, sub {
1745 my ($volid, $sid, $volname, $d) = @_;
1746 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1756 my ($vmid, $node) = @_;
1758 my $cfspath = cfs_config_path
($vmid, $node);
1760 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1762 die "no such VM ('$vmid')\n" if !defined($conf);
1767 sub parse_vm_config
{
1768 my ($filename, $raw) = @_;
1770 return undef if !defined($raw);
1773 digest
=> Digest
::SHA
::sha1_hex
($raw),
1777 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1778 || die "got strange filename '$filename'";
1785 my @lines = split(/\n/, $raw);
1786 foreach my $line (@lines) {
1787 next if $line =~ m/^\s*$/;
1789 if ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1791 $conf->{description
} = $descr if $descr;
1793 $conf = $res->{snapshots
}->{$snapname} = {};
1797 if ($line =~ m/^\#(.*)\s*$/) {
1798 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1802 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1803 $descr .= PVE
::Tools
::decode_text
($2);
1804 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1805 $conf->{snapstate
} = $1;
1806 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1809 $conf->{$key} = $value;
1810 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1813 eval { $value = check_type
($key, $value); };
1815 warn "vm $vmid - unable to parse value of '$key' - $@";
1817 my $fmt = $confdesc->{$key}->{format
};
1818 if ($fmt && $fmt eq 'pve-qm-drive') {
1819 my $v = parse_drive
($key, $value);
1820 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1821 $v->{file
} = $volid;
1822 $value = print_drive
($vmid, $v);
1824 warn "vm $vmid - unable to parse value of '$key'\n";
1829 if ($key eq 'cdrom') {
1830 $conf->{ide2
} = $value;
1832 $conf->{$key} = $value;
1838 $conf->{description
} = $descr if $descr;
1840 delete $res->{snapstate
}; # just to be sure
1845 sub write_vm_config
{
1846 my ($filename, $conf) = @_;
1848 delete $conf->{snapstate
}; # just to be sure
1850 if ($conf->{cdrom
}) {
1851 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
1852 $conf->{ide2
} = $conf->{cdrom
};
1853 delete $conf->{cdrom
};
1856 # we do not use 'smp' any longer
1857 if ($conf->{sockets
}) {
1858 delete $conf->{smp
};
1859 } elsif ($conf->{smp
}) {
1860 $conf->{sockets
} = $conf->{smp
};
1861 delete $conf->{cores
};
1862 delete $conf->{smp
};
1865 if ($conf->{maxcpus
} && $conf->{sockets
}) {
1866 delete $conf->{sockets
};
1869 my $used_volids = {};
1871 my $cleanup_config = sub {
1872 my ($cref, $snapname) = @_;
1874 foreach my $key (keys %$cref) {
1875 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
1876 $key eq 'snapstate';
1877 my $value = $cref->{$key};
1878 eval { $value = check_type
($key, $value); };
1879 die "unable to parse value of '$key' - $@" if $@;
1881 $cref->{$key} = $value;
1883 if (!$snapname && valid_drivename
($key)) {
1884 my $drive = parse_drive
($key, $value);
1885 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
1890 &$cleanup_config($conf);
1891 foreach my $snapname (keys %{$conf->{snapshots
}}) {
1892 &$cleanup_config($conf->{snapshots
}->{$snapname}, $snapname);
1895 # remove 'unusedX' settings if we re-add a volume
1896 foreach my $key (keys %$conf) {
1897 my $value = $conf->{$key};
1898 if ($key =~ m/^unused/ && $used_volids->{$value}) {
1899 delete $conf->{$key};
1903 my $generate_raw_config = sub {
1908 # add description as comment to top of file
1909 my $descr = $conf->{description
} || '';
1910 foreach my $cl (split(/\n/, $descr)) {
1911 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
1914 foreach my $key (sort keys %$conf) {
1915 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots';
1916 $raw .= "$key: $conf->{$key}\n";
1921 my $raw = &$generate_raw_config($conf);
1922 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
1923 $raw .= "\n[$snapname]\n";
1924 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
1930 sub update_config_nolock
{
1931 my ($vmid, $conf, $skiplock) = @_;
1933 check_lock
($conf) if !$skiplock;
1935 my $cfspath = cfs_config_path
($vmid);
1937 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
1941 my ($vmid, $conf, $skiplock) = @_;
1943 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
1950 # we use static defaults from our JSON schema configuration
1951 foreach my $key (keys %$confdesc) {
1952 if (defined(my $default = $confdesc->{$key}->{default})) {
1953 $res->{$key} = $default;
1957 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1958 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
1964 my $vmlist = PVE
::Cluster
::get_vmlist
();
1966 return $res if !$vmlist || !$vmlist->{ids
};
1967 my $ids = $vmlist->{ids
};
1969 foreach my $vmid (keys %$ids) {
1970 my $d = $ids->{$vmid};
1971 next if !$d->{node
} || $d->{node
} ne $nodename;
1972 next if !$d->{type
} || $d->{type
} ne 'qemu';
1973 $res->{$vmid}->{exists} = 1;
1978 # test if VM uses local resources (to prevent migration)
1979 sub check_local_resources
{
1980 my ($conf, $noerr) = @_;
1984 $loc_res = 1 if $conf->{hostusb
}; # old syntax
1985 $loc_res = 1 if $conf->{hostpci
}; # old syntax
1987 foreach my $k (keys %$conf) {
1988 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
1989 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
1992 die "VM uses local resources\n" if $loc_res && !$noerr;
1997 # check if used storages are available on all nodes (use by migrate)
1998 sub check_storage_availability
{
1999 my ($storecfg, $conf, $node) = @_;
2001 foreach_drive
($conf, sub {
2002 my ($ds, $drive) = @_;
2004 my $volid = $drive->{file
};
2007 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2010 # check if storage is available on both nodes
2011 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
2012 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
2016 # list nodes where all VM images are available (used by has_feature API)
2018 my ($conf, $storecfg) = @_;
2020 my $nodelist = PVE
::Cluster
::get_nodelist
();
2021 my $nodehash = { map { $_ => 1 } @$nodelist };
2022 my $nodename = PVE
::INotify
::nodename
();
2024 foreach_drive
($conf, sub {
2025 my ($ds, $drive) = @_;
2027 my $volid = $drive->{file
};
2030 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
2032 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
2033 if ($scfg->{disable
}) {
2035 } elsif (my $avail = $scfg->{nodes
}) {
2036 foreach my $node (keys %$nodehash) {
2037 delete $nodehash->{$node} if !$avail->{$node};
2039 } elsif (!$scfg->{shared
}) {
2040 foreach my $node (keys %$nodehash) {
2041 delete $nodehash->{$node} if $node ne $nodename
2053 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
2057 my ($pidfile, $pid) = @_;
2059 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
2063 return undef if !$line;
2064 my @param = split(/\0/, $line);
2066 my $cmd = $param[0];
2067 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
2069 for (my $i = 0; $i < scalar (@param); $i++) {
2072 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
2073 my $p = $param[$i+1];
2074 return 1 if $p && ($p eq $pidfile);
2083 my ($vmid, $nocheck, $node) = @_;
2085 my $filename = config_file
($vmid, $node);
2087 die "unable to find configuration file for VM $vmid - no such machine\n"
2088 if !$nocheck && ! -f
$filename;
2090 my $pidfile = pidfile_name
($vmid);
2092 if (my $fd = IO
::File-
>new("<$pidfile")) {
2097 my $mtime = $st->mtime;
2098 if ($mtime > time()) {
2099 warn "file '$filename' modified in future\n";
2102 if ($line =~ m/^(\d+)$/) {
2104 if (check_cmdline
($pidfile, $pid)) {
2105 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2117 my $vzlist = config_list
();
2119 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2121 while (defined(my $de = $fd->read)) {
2122 next if $de !~ m/^(\d+)\.pid$/;
2124 next if !defined($vzlist->{$vmid});
2125 if (my $pid = check_running
($vmid)) {
2126 $vzlist->{$vmid}->{pid
} = $pid;
2134 my ($storecfg, $conf) = @_;
2136 my $bootdisk = $conf->{bootdisk
};
2137 return undef if !$bootdisk;
2138 return undef if !valid_drivename
($bootdisk);
2140 return undef if !$conf->{$bootdisk};
2142 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2143 return undef if !defined($drive);
2145 return undef if drive_is_cdrom
($drive);
2147 my $volid = $drive->{file
};
2148 return undef if !$volid;
2150 return $drive->{size
};
2153 my $last_proc_pid_stat;
2155 # get VM status information
2156 # This must be fast and should not block ($full == false)
2157 # We only query KVM using QMP if $full == true (this can be slow)
2159 my ($opt_vmid, $full) = @_;
2163 my $storecfg = PVE
::Storage
::config
();
2165 my $list = vzlist
();
2166 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2168 my $cpucount = $cpuinfo->{cpus
} || 1;
2170 foreach my $vmid (keys %$list) {
2171 next if $opt_vmid && ($vmid ne $opt_vmid);
2173 my $cfspath = cfs_config_path
($vmid);
2174 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2177 $d->{pid
} = $list->{$vmid}->{pid
};
2179 # fixme: better status?
2180 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2182 my $size = disksize
($storecfg, $conf);
2183 if (defined($size)) {
2184 $d->{disk
} = 0; # no info available
2185 $d->{maxdisk
} = $size;
2191 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2192 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2194 $d->{name
} = $conf->{name
} || "VM $vmid";
2195 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2197 if ($conf->{balloon
}) {
2198 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2199 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2210 $d->{diskwrite
} = 0;
2212 $d->{template
} = is_template
($conf);
2217 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2218 foreach my $dev (keys %$netdev) {
2219 next if $dev !~ m/^tap([1-9]\d*)i/;
2221 my $d = $res->{$vmid};
2224 $d->{netout
} += $netdev->{$dev}->{receive
};
2225 $d->{netin
} += $netdev->{$dev}->{transmit
};
2228 my $ctime = gettimeofday
;
2230 foreach my $vmid (keys %$list) {
2232 my $d = $res->{$vmid};
2233 my $pid = $d->{pid
};
2236 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2237 next if !$pstat; # not running
2239 my $used = $pstat->{utime} + $pstat->{stime
};
2241 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2243 if ($pstat->{vsize
}) {
2244 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2247 my $old = $last_proc_pid_stat->{$pid};
2249 $last_proc_pid_stat->{$pid} = {
2257 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2259 if ($dtime > 1000) {
2260 my $dutime = $used - $old->{used
};
2262 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2263 $last_proc_pid_stat->{$pid} = {
2269 $d->{cpu
} = $old->{cpu
};
2273 return $res if !$full;
2275 my $qmpclient = PVE
::QMPClient-
>new();
2277 my $ballooncb = sub {
2278 my ($vmid, $resp) = @_;
2280 my $info = $resp->{'return'};
2281 return if !$info->{max_mem
};
2283 my $d = $res->{$vmid};
2285 # use memory assigned to VM
2286 $d->{maxmem
} = $info->{max_mem
};
2287 $d->{balloon
} = $info->{actual
};
2289 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2290 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2291 $d->{freemem
} = $info->{free_mem
};
2296 my $blockstatscb = sub {
2297 my ($vmid, $resp) = @_;
2298 my $data = $resp->{'return'} || [];
2299 my $totalrdbytes = 0;
2300 my $totalwrbytes = 0;
2301 for my $blockstat (@$data) {
2302 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2303 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2305 $res->{$vmid}->{diskread
} = $totalrdbytes;
2306 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2309 my $statuscb = sub {
2310 my ($vmid, $resp) = @_;
2312 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2313 # this fails if ballon driver is not loaded, so this must be
2314 # the last commnand (following command are aborted if this fails).
2315 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2317 my $status = 'unknown';
2318 if (!defined($status = $resp->{'return'}->{status
})) {
2319 warn "unable to get VM status\n";
2323 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2326 foreach my $vmid (keys %$list) {
2327 next if $opt_vmid && ($vmid ne $opt_vmid);
2328 next if !$res->{$vmid}->{pid
}; # not running
2329 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2332 $qmpclient->queue_execute();
2334 foreach my $vmid (keys %$list) {
2335 next if $opt_vmid && ($vmid ne $opt_vmid);
2336 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2343 my ($conf, $func) = @_;
2345 foreach my $ds (keys %$conf) {
2346 next if !valid_drivename
($ds);
2348 my $drive = parse_drive
($ds, $conf->{$ds});
2351 &$func($ds, $drive);
2356 my ($conf, $func) = @_;
2360 my $test_volid = sub {
2361 my ($volid, $is_cdrom) = @_;
2365 $volhash->{$volid} = $is_cdrom || 0;
2368 foreach_drive
($conf, sub {
2369 my ($ds, $drive) = @_;
2370 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2373 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2374 my $snap = $conf->{snapshots
}->{$snapname};
2375 &$test_volid($snap->{vmstate
}, 0);
2376 foreach_drive
($snap, sub {
2377 my ($ds, $drive) = @_;
2378 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2382 foreach my $volid (keys %$volhash) {
2383 &$func($volid, $volhash->{$volid});
2387 sub vga_conf_has_spice
{
2390 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2395 sub config_to_command
{
2396 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2399 my $globalFlags = [];
2400 my $machineFlags = [];
2406 my $kvmver = kvm_user_version
();
2407 my $vernum = 0; # unknown
2408 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2409 $vernum = $1*1000000+$2*1000;
2410 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2411 $vernum = $1*1000000+$2*1000+$3;
2414 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2416 my $have_ovz = -f
'/proc/vz/vestat';
2418 my $q35 = machine_type_is_q35
($conf);
2420 push @$cmd, '/usr/bin/kvm';
2422 push @$cmd, '-id', $vmid;
2426 my $qmpsocket = qmp_socket
($vmid);
2427 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2428 push @$cmd, '-mon', "chardev=qmp,mode=control";
2430 my $socket = vnc_socket
($vmid);
2431 push @$cmd, '-vnc', "unix:$socket,x509,password";
2433 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2435 push @$cmd, '-daemonize';
2437 if ($conf->{smbios1
}) {
2438 push @$cmd, '-smbios', "type=1,$conf->{smbios1}";
2442 # the q35 chipset support native usb2, so we enable usb controller
2443 # by default for this machine type
2444 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-q35.cfg';
2446 $pciaddr = print_pci_addr
("piix3", $bridges);
2447 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2450 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2451 next if !$conf->{"usb$i"};
2454 # include usb device config
2455 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2458 my $vga = $conf->{vga
};
2460 my $qxlnum = vga_conf_has_spice
($vga);
2461 $vga = 'qxl' if $qxlnum;
2464 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2465 $conf->{ostype
} eq 'win7' ||
2466 $conf->{ostype
} eq 'w2k8')) {
2473 # enable absolute mouse coordinates (needed by vnc)
2475 if (defined($conf->{tablet
})) {
2476 $tablet = $conf->{tablet
};
2478 $tablet = $defaults->{tablet
};
2479 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2480 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2483 push @$devices, '-device', print_tabletdevice_full
($conf) if $tablet;
2486 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2487 my $d = parse_hostpci
($conf->{"hostpci$i"});
2490 my $pcie = $d->{pcie
};
2492 die "q35 machine model is not enabled" if !$q35;
2493 $pciaddr = print_pcie_addr
("hostpci$i");
2495 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2498 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2499 my $driver = $d->{driver
} && $d->{driver
} eq 'vfio' ?
"vfio-pci" : "pci-assign";
2500 my $xvga = $d->{'x-vga'} && $d->{'x-vga'} eq 'on' ?
",x-vga=on" : "";
2501 if ($xvga && $xvga ne '') {
2502 push @$cpuFlags, 'kvm=off';
2505 $driver = "vfio-pci" if $xvga ne '';
2506 my $pcidevices = $d->{pciid
};
2507 my $multifunction = 1 if @$pcidevices > 1;
2510 foreach my $pcidevice (@$pcidevices) {
2512 my $id = "hostpci$i";
2513 $id .= ".$j" if $multifunction;
2514 my $addr = $pciaddr;
2515 $addr .= ".$j" if $multifunction;
2516 my $devicestr = "$driver,host=$pcidevice->{id}.$pcidevice->{function},id=$id$addr";
2519 $devicestr .= "$rombar$xvga";
2520 $devicestr .= ",multifunction=on" if $multifunction;
2523 push @$devices, '-device', $devicestr;
2529 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2530 my $d = parse_usb_device
($conf->{"usb$i"});
2532 if ($d->{vendorid
} && $d->{productid
}) {
2533 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2534 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2535 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2536 } elsif ($d->{spice
}) {
2537 # usb redir support for spice
2538 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2539 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2544 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2545 if (my $path = $conf->{"serial$i"}) {
2546 if ($path eq 'socket') {
2547 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2548 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2549 push @$devices, '-device', "isa-serial,chardev=serial$i";
2551 die "no such serial device\n" if ! -c
$path;
2552 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2553 push @$devices, '-device', "isa-serial,chardev=serial$i";
2559 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2560 if (my $path = $conf->{"parallel$i"}) {
2561 die "no such parallel device\n" if ! -c
$path;
2562 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2563 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2564 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2568 my $vmname = $conf->{name
} || "vm$vmid";
2570 push @$cmd, '-name', $vmname;
2573 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2574 $sockets = $conf->{sockets
} if $conf->{sockets
};
2576 my $cores = $conf->{cores
} || 1;
2577 my $maxcpus = $conf->{maxcpus
} if $conf->{maxcpus
};
2580 push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
2582 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2585 push @$cmd, '-nodefaults';
2587 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2589 my $bootindex_hash = {};
2591 foreach my $o (split(//, $bootorder)) {
2592 $bootindex_hash->{$o} = $i*100;
2596 push @$cmd, '-boot', "menu=on";
2598 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2600 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2602 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2605 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2607 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2608 my $useLocaltime = $conf->{localtime};
2610 if (my $ost = $conf->{ostype
}) {
2611 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2613 if ($ost =~ m/^w/) { # windows
2614 $useLocaltime = 1 if !defined($conf->{localtime});
2616 # use time drift fix when acpi is enabled
2617 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2618 $tdf = 1 if !defined($conf->{tdf
});
2622 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2624 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2625 push @$cmd, '-no-hpet';
2626 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2627 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2630 if ($ost eq 'win7' || $ost eq 'win8') {
2631 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2635 push @$rtcFlags, 'driftfix=slew' if $tdf;
2638 push @$machineFlags, 'accel=tcg';
2640 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2643 my $machine_type = $forcemachine || $conf->{machine
};
2644 if ($machine_type) {
2645 push @$machineFlags, "type=${machine_type}";
2648 if ($conf->{startdate
}) {
2649 push @$rtcFlags, "base=$conf->{startdate}";
2650 } elsif ($useLocaltime) {
2651 push @$rtcFlags, 'base=localtime';
2654 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2655 $cpu = $conf->{cpu
} if $conf->{cpu
};
2657 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2659 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2661 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2663 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2665 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2667 # Note: enforce needs kernel 3.10, so we do not use it for now
2668 # push @$cmd, '-cpu', "$cpu,enforce";
2669 push @$cmd, '-cpu', $cpu;
2671 push @$cmd, '-S' if $conf->{freeze
};
2673 # set keyboard layout
2674 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2675 push @$cmd, '-k', $kb if $kb;
2678 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2679 #push @$cmd, '-soundhw', 'es1370';
2680 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2682 if($conf->{agent
}) {
2683 my $qgasocket = qga_socket
($vmid);
2684 my $pciaddr = print_pci_addr
("qga0", $bridges);
2685 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2686 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2687 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2694 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2695 for(my $i = 1; $i < $qxlnum; $i++){
2696 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2697 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2700 # assume other OS works like Linux
2701 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2702 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2706 my $pciaddr = print_pci_addr
("spice", $bridges);
2708 $spice_port = PVE
::Tools
::next_spice_port
();
2710 push @$devices, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2712 push @$devices, '-device', "virtio-serial,id=spice$pciaddr";
2713 push @$devices, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2714 push @$devices, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2717 # enable balloon by default, unless explicitly disabled
2718 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2719 $pciaddr = print_pci_addr
("balloon0", $bridges);
2720 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2723 if ($conf->{watchdog
}) {
2724 my $wdopts = parse_watchdog
($conf->{watchdog
});
2725 $pciaddr = print_pci_addr
("watchdog", $bridges);
2726 my $watchdog = $wdopts->{model
} || 'i6300esb';
2727 push @$devices, '-device', "$watchdog$pciaddr";
2728 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2732 my $scsicontroller = {};
2733 my $ahcicontroller = {};
2734 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2736 # Add iscsi initiator name if available
2737 if (my $initiator = get_initiator_name
()) {
2738 push @$devices, '-iscsi', "initiator-name=$initiator";
2741 foreach_drive
($conf, sub {
2742 my ($ds, $drive) = @_;
2744 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
2745 push @$vollist, $drive->{file
};
2748 $use_virtio = 1 if $ds =~ m/^virtio/;
2750 if (drive_is_cdrom
($drive)) {
2751 if ($bootindex_hash->{d
}) {
2752 $drive->{bootindex
} = $bootindex_hash->{d
};
2753 $bootindex_hash->{d
} += 1;
2756 if ($bootindex_hash->{c
}) {
2757 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
2758 $bootindex_hash->{c
} += 1;
2762 if ($drive->{interface
} eq 'scsi') {
2764 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
2765 my $controller = int($drive->{index} / $maxdev);
2766 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
2767 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
2768 $scsicontroller->{$controller}=1;
2771 if ($drive->{interface
} eq 'sata') {
2772 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
2773 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
2774 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
2775 $ahcicontroller->{$controller}=1;
2778 my $drive_cmd = print_drive_full
($storecfg, $vmid, $drive);
2779 push @$devices, '-drive',$drive_cmd;
2780 push @$devices, '-device', print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
2783 push @$cmd, '-m', $conf->{memory
} || $defaults->{memory
};
2785 for (my $i = 0; $i < $MAX_NETS; $i++) {
2786 next if !$conf->{"net$i"};
2787 my $d = parse_net
($conf->{"net$i"});
2790 $use_virtio = 1 if $d->{model
} eq 'virtio';
2792 if ($bootindex_hash->{n
}) {
2793 $d->{bootindex
} = $bootindex_hash->{n
};
2794 $bootindex_hash->{n
} += 1;
2797 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
2798 push @$devices, '-netdev', $netdevfull;
2800 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
2801 push @$devices, '-device', $netdevicefull;
2806 while (my ($k, $v) = each %$bridges) {
2807 $pciaddr = print_pci_addr
("pci.$k");
2808 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
2812 # hack: virtio with fairsched is unreliable, so we do not use fairsched
2813 # when the VM uses virtio devices.
2814 if (!$use_virtio && $have_ovz) {
2816 my $cpuunits = defined($conf->{cpuunits
}) ?
2817 $conf->{cpuunits
} : $defaults->{cpuunits
};
2819 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
2821 # fixme: cpulimit is currently ignored
2822 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
2826 if ($conf->{args
}) {
2827 my $aa = PVE
::Tools
::split_args
($conf->{args
});
2831 push @$cmd, @$devices;
2832 push @$cmd, '-rtc', join(',', @$rtcFlags)
2833 if scalar(@$rtcFlags);
2834 push @$cmd, '-machine', join(',', @$machineFlags)
2835 if scalar(@$machineFlags);
2836 push @$cmd, '-global', join(',', @$globalFlags)
2837 if scalar(@$globalFlags);
2839 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
2844 return "${var_run_tmpdir}/$vmid.vnc";
2850 my $res = vm_mon_cmd
($vmid, 'query-spice');
2852 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
2857 return "${var_run_tmpdir}/$vmid.qmp";
2862 return "${var_run_tmpdir}/$vmid.qga";
2867 return "${var_run_tmpdir}/$vmid.pid";
2870 sub vm_devices_list
{
2873 my $res = vm_mon_cmd
($vmid, 'query-pci');
2876 foreach my $pcibus (@$res) {
2877 foreach my $device (@{$pcibus->{devices
}}) {
2878 next if !$device->{'qdev_id'};
2879 $devices->{$device->{'qdev_id'}} = $device;
2887 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
2889 return 1 if !check_running
($vmid);
2891 my $q35 = machine_type_is_q35
($conf);
2893 if ($deviceid eq 'tablet') {
2894 qemu_deviceadd
($vmid, print_tabletdevice_full
($conf));
2898 return 1 if !$conf->{hotplug
};
2900 my $devices_list = vm_devices_list
($vmid);
2901 return 1 if defined($devices_list->{$deviceid});
2903 qemu_bridgeadd
($storecfg, $conf, $vmid, $deviceid); #add bridge if we need it for the device
2905 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2906 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2907 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2908 qemu_deviceadd
($vmid, $devicefull);
2909 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2910 qemu_drivedel
($vmid, $deviceid);
2915 if ($deviceid =~ m/^(scsihw)(\d+)$/) {
2916 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
2917 my $pciaddr = print_pci_addr
($deviceid);
2918 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
2919 qemu_deviceadd
($vmid, $devicefull);
2920 return undef if(!qemu_deviceaddverify
($vmid, $deviceid));
2923 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2924 return undef if !qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
2925 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2926 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2927 if(!qemu_deviceadd
($vmid, $devicefull)) {
2928 qemu_drivedel
($vmid, $deviceid);
2933 if ($deviceid =~ m/^(net)(\d+)$/) {
2934 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
2935 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
2936 qemu_deviceadd
($vmid, $netdevicefull);
2937 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2938 qemu_netdevdel
($vmid, $deviceid);
2944 if (!$q35 && $deviceid =~ m/^(pci\.)(\d+)$/) {
2946 my $pciaddr = print_pci_addr
($deviceid);
2947 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
2948 qemu_deviceadd
($vmid, $devicefull);
2949 return undef if !qemu_deviceaddverify
($vmid, $deviceid);
2955 sub vm_deviceunplug
{
2956 my ($vmid, $conf, $deviceid) = @_;
2958 return 1 if !check_running
($vmid);
2960 if ($deviceid eq 'tablet') {
2961 qemu_devicedel
($vmid, $deviceid);
2965 return 1 if !$conf->{hotplug
};
2967 my $devices_list = vm_devices_list
($vmid);
2968 return 1 if !defined($devices_list->{$deviceid});
2970 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
2972 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2973 qemu_devicedel
($vmid, $deviceid);
2974 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2975 return undef if !qemu_drivedel
($vmid, $deviceid);
2978 if ($deviceid =~ m/^(lsi)(\d+)$/) {
2979 return undef if !qemu_devicedel
($vmid, $deviceid);
2982 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2983 return undef if !qemu_devicedel
($vmid, $deviceid);
2984 return undef if !qemu_drivedel
($vmid, $deviceid);
2987 if ($deviceid =~ m/^(net)(\d+)$/) {
2988 qemu_devicedel
($vmid, $deviceid);
2989 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2990 return undef if !qemu_netdevdel
($vmid, $deviceid);
2996 sub qemu_deviceadd
{
2997 my ($vmid, $devicefull) = @_;
2999 $devicefull = "driver=".$devicefull;
3000 my %options = split(/[=,]/, $devicefull);
3002 vm_mon_cmd
($vmid, "device_add" , %options);
3006 sub qemu_devicedel
{
3007 my($vmid, $deviceid) = @_;
3008 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
3013 my($storecfg, $vmid, $device) = @_;
3015 my $drive = print_drive_full
($storecfg, $vmid, $device);
3016 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
3017 # If the command succeeds qemu prints: "OK"
3018 if ($ret !~ m/OK/s) {
3019 syslog
("err", "adding drive failed: $ret");
3026 my($vmid, $deviceid) = @_;
3028 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
3030 if ($ret =~ m/Device \'.*?\' not found/s) {
3031 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
3033 elsif ($ret ne "") {
3034 syslog
("err", "deleting drive $deviceid failed : $ret");
3040 sub qemu_deviceaddverify
{
3041 my ($vmid,$deviceid) = @_;
3043 for (my $i = 0; $i <= 5; $i++) {
3044 my $devices_list = vm_devices_list
($vmid);
3045 return 1 if defined($devices_list->{$deviceid});
3048 syslog
("err", "error on hotplug device $deviceid");
3053 sub qemu_devicedelverify
{
3054 my ($vmid,$deviceid) = @_;
3056 #need to verify the device is correctly remove as device_del is async and empty return is not reliable
3057 for (my $i = 0; $i <= 5; $i++) {
3058 my $devices_list = vm_devices_list
($vmid);
3059 return 1 if !defined($devices_list->{$deviceid});
3062 syslog
("err", "error on hot-unplugging device $deviceid");
3066 sub qemu_findorcreatescsihw
{
3067 my ($storecfg, $conf, $vmid, $device) = @_;
3069 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
3070 my $controller = int($device->{index} / $maxdev);
3071 my $scsihwid="scsihw$controller";
3072 my $devices_list = vm_devices_list
($vmid);
3074 if(!defined($devices_list->{$scsihwid})) {
3075 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
3080 sub qemu_bridgeadd
{
3081 my ($storecfg, $conf, $vmid, $device) = @_;
3084 my $bridgeid = undef;
3085 print_pci_addr
($device, $bridges);
3087 while (my ($k, $v) = each %$bridges) {
3090 return if !$bridgeid || $bridgeid < 1;
3091 my $bridge = "pci.$bridgeid";
3092 my $devices_list = vm_devices_list
($vmid);
3094 if(!defined($devices_list->{$bridge})) {
3095 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
3100 sub qemu_netdevadd
{
3101 my ($vmid, $conf, $device, $deviceid) = @_;
3103 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
3104 my %options = split(/[=,]/, $netdev);
3106 vm_mon_cmd
($vmid, "netdev_add", %options);
3110 sub qemu_netdevdel
{
3111 my ($vmid, $deviceid) = @_;
3113 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
3117 sub qemu_cpu_hotplug
{
3118 my ($vmid, $conf, $cores) = @_;
3120 die "new cores config is not defined" if !$cores;
3121 die "you can't add more cores than maxcpus"
3122 if $conf->{maxcpus
} && ($cores > $conf->{maxcpus
});
3123 return if !check_running
($vmid);
3125 my $currentcores = $conf->{cores
} if $conf->{cores
};
3126 die "current cores is not defined" if !$currentcores;
3127 die "maxcpus is not defined" if !$conf->{maxcpus
};
3128 raise_param_exc
({ 'cores' => "online cpu unplug is not yet possible" })
3129 if($cores < $currentcores);
3131 my $currentrunningcores = vm_mon_cmd
($vmid, "query-cpus");
3132 raise_param_exc
({ 'cores' => "cores number if running vm is different than configuration" })
3133 if scalar (@{$currentrunningcores}) != $currentcores;
3135 for(my $i = $currentcores; $i < $cores; $i++) {
3136 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
3140 sub qemu_block_set_io_throttle
{
3141 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
3143 return if !check_running
($vmid) ;
3145 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($iops_wr));
3149 # old code, only used to shutdown old VM after update
3151 my ($fh, $timeout) = @_;
3153 my $sel = new IO
::Select
;
3160 while (scalar (@ready = $sel->can_read($timeout))) {
3162 if ($count = $fh->sysread($buf, 8192)) {
3163 if ($buf =~ /^(.*)\(qemu\) $/s) {
3170 if (!defined($count)) {
3177 die "monitor read timeout\n" if !scalar(@ready);
3182 # old code, only used to shutdown old VM after update
3183 sub vm_monitor_command
{
3184 my ($vmid, $cmdstr, $nocheck) = @_;
3189 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3191 my $sname = "${var_run_tmpdir}/$vmid.mon";
3193 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3194 die "unable to connect to VM $vmid socket - $!\n";
3198 # hack: migrate sometime blocks the monitor (when migrate_downtime
3200 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3201 $timeout = 60*60; # 1 hour
3205 my $data = __read_avail
($sock, $timeout);
3207 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3208 die "got unexpected qemu monitor banner\n";
3211 my $sel = new IO
::Select
;
3214 if (!scalar(my @ready = $sel->can_write($timeout))) {
3215 die "monitor write error - timeout";
3218 my $fullcmd = "$cmdstr\r";
3220 # syslog('info', "VM $vmid monitor command: $cmdstr");
3223 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3224 die "monitor write error - $!";
3227 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3231 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3232 $timeout = 60*60; # 1 hour
3233 } elsif ($cmdstr =~ m/^(eject|change)/) {
3234 $timeout = 60; # note: cdrom mount command is slow
3236 if ($res = __read_avail
($sock, $timeout)) {
3238 my @lines = split("\r?\n", $res);
3240 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3242 $res = join("\n", @lines);
3250 syslog
("err", "VM $vmid monitor command failed - $err");
3257 sub qemu_block_resize
{
3258 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3260 my $running = check_running
($vmid);
3262 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3264 return if !$running;
3266 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3270 sub qemu_volume_snapshot
{
3271 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3273 my $running = check_running
($vmid);
3275 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3277 return if !$running;
3279 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3283 sub qemu_volume_snapshot_delete
{
3284 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3286 my $running = check_running
($vmid);
3288 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3290 return if !$running;
3292 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3298 #need to impplement call to qemu-ga
3301 sub qga_unfreezefs
{
3304 #need to impplement call to qemu-ga
3307 sub set_migration_caps
{
3313 "auto-converge" => 1,
3315 "x-rdma-pin-all" => 0,
3319 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3321 for my $supported_capability (@$supported_capabilities) {
3323 capability
=> $supported_capability->{capability
},
3324 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3328 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3332 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3334 lock_config
($vmid, sub {
3335 my $conf = load_config
($vmid, $migratedfrom);
3337 die "you can't start a vm if it's a template\n" if is_template
($conf);
3339 check_lock
($conf) if !$skiplock;
3341 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3343 my $defaults = load_defaults
();
3345 # set environment variable useful inside network script
3346 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3348 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3350 my $migrate_port = 0;
3353 if ($statefile eq 'tcp') {
3354 my $localip = "localhost";
3355 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3356 if ($datacenterconf->{migration_unsecure
}) {
3357 my $nodename = PVE
::INotify
::nodename
();
3358 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3360 $migrate_port = PVE
::Tools
::next_migrate_port
();
3361 $migrate_uri = "tcp:${localip}:${migrate_port}";
3362 push @$cmd, '-incoming', $migrate_uri;
3365 push @$cmd, '-loadstate', $statefile;
3372 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
3373 my $d = parse_hostpci
($conf->{"hostpci$i"});
3375 my $pcidevices = $d->{pciid
};
3376 foreach my $pcidevice (@$pcidevices) {
3377 my $pciid = $pcidevice->{id
}.".".$pcidevice->{function
};
3379 my $info = pci_device_info
("0000:$pciid");
3380 die "IOMMU not present\n" if !check_iommu_support
();
3381 die "no pci device info for device '$pciid'\n" if !$info;
3383 if ($d->{driver
} && $d->{driver
} eq "vfio") {
3384 die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio
($pciid);
3386 die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub
($info);
3389 die "can't reset pci device '$pciid'\n" if $info->{has_fl_reset
} and !pci_dev_reset
($info);
3393 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
3395 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
3398 die "start failed: $err" if $err;
3400 print "migration listens on $migrate_uri\n" if $migrate_uri;
3402 if ($statefile && $statefile ne 'tcp') {
3403 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
3407 if ($migratedfrom) {
3410 PVE
::QemuServer
::set_migration_caps
($vmid);
3415 print "spice listens on port $spice_port\n";
3416 if ($spice_ticket) {
3417 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
3418 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
3424 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
3425 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
3426 if $conf->{balloon
};
3427 vm_mon_cmd_nocheck
($vmid, 'qom-set',
3428 path
=> "machine/peripheral/balloon0",
3429 property
=> "guest-stats-polling-interval",
3437 my ($vmid, $execute, %params) = @_;
3439 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3440 vm_qmp_command
($vmid, $cmd);
3443 sub vm_mon_cmd_nocheck
{
3444 my ($vmid, $execute, %params) = @_;
3446 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3447 vm_qmp_command
($vmid, $cmd, 1);
3450 sub vm_qmp_command
{
3451 my ($vmid, $cmd, $nocheck) = @_;
3456 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
3457 $timeout = $cmd->{arguments
}->{timeout
};
3458 delete $cmd->{arguments
}->{timeout
};
3462 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3463 my $sname = qmp_socket
($vmid);
3465 my $qmpclient = PVE
::QMPClient-
>new();
3467 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
3468 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
3469 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
3470 if scalar(%{$cmd->{arguments
}});
3471 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
3473 die "unable to open monitor socket\n";
3477 syslog
("err", "VM $vmid qmp command failed - $err");
3484 sub vm_human_monitor_command
{
3485 my ($vmid, $cmdline) = @_;
3490 execute
=> 'human-monitor-command',
3491 arguments
=> { 'command-line' => $cmdline},
3494 return vm_qmp_command
($vmid, $cmd);
3497 sub vm_commandline
{
3498 my ($storecfg, $vmid) = @_;
3500 my $conf = load_config
($vmid);
3502 my $defaults = load_defaults
();
3504 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
3506 return join(' ', @$cmd);
3510 my ($vmid, $skiplock) = @_;
3512 lock_config
($vmid, sub {
3514 my $conf = load_config
($vmid);
3516 check_lock
($conf) if !$skiplock;
3518 vm_mon_cmd
($vmid, "system_reset");
3522 sub get_vm_volumes
{
3526 foreach_volid
($conf, sub {
3527 my ($volid, $is_cdrom) = @_;
3529 return if $volid =~ m
|^/|;
3531 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
3534 push @$vollist, $volid;
3540 sub vm_stop_cleanup
{
3541 my ($storecfg, $vmid, $conf, $keepActive) = @_;
3544 fairsched_rmnod
($vmid); # try to destroy group
3547 my $vollist = get_vm_volumes
($conf);
3548 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
3551 foreach my $ext (qw(mon qmp pid vnc qga)) {
3552 unlink "/var/run/qemu-server/${vmid}.$ext";
3555 warn $@ if $@; # avoid errors - just warn
3558 # Note: use $nockeck to skip tests if VM configuration file exists.
3559 # We need that when migration VMs to other nodes (files already moved)
3560 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
3562 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
3564 $force = 1 if !defined($force) && !$shutdown;
3567 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
3568 kill 15, $pid if $pid;
3569 my $conf = load_config
($vmid, $migratedfrom);
3570 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
3574 lock_config
($vmid, sub {
3576 my $pid = check_running
($vmid, $nocheck);
3581 $conf = load_config
($vmid);
3582 check_lock
($conf) if !$skiplock;
3583 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
3584 my $opts = parse_startup
($conf->{startup
});
3585 $timeout = $opts->{down
} if $opts->{down
};
3589 $timeout = 60 if !defined($timeout);
3593 $nocheck ? vm_mon_cmd_nocheck
($vmid, "system_powerdown") : vm_mon_cmd
($vmid, "system_powerdown");
3596 $nocheck ? vm_mon_cmd_nocheck
($vmid, "quit") : vm_mon_cmd
($vmid, "quit");
3603 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3608 if ($count >= $timeout) {
3610 warn "VM still running - terminating now with SIGTERM\n";
3613 die "VM quit/powerdown failed - got timeout\n";
3616 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3621 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
3624 die "VM quit/powerdown failed\n";
3632 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3637 if ($count >= $timeout) {
3638 warn "VM still running - terminating now with SIGKILL\n";
3643 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3648 my ($vmid, $skiplock) = @_;
3650 lock_config
($vmid, sub {
3652 my $conf = load_config
($vmid);
3654 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3656 vm_mon_cmd
($vmid, "stop");
3661 my ($vmid, $skiplock) = @_;
3663 lock_config
($vmid, sub {
3665 my $conf = load_config
($vmid);
3667 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3669 vm_mon_cmd
($vmid, "cont");
3674 my ($vmid, $skiplock, $key) = @_;
3676 lock_config
($vmid, sub {
3678 my $conf = load_config
($vmid);
3680 # there is no qmp command, so we use the human monitor command
3681 vm_human_monitor_command
($vmid, "sendkey $key");
3686 my ($storecfg, $vmid, $skiplock) = @_;
3688 lock_config
($vmid, sub {
3690 my $conf = load_config
($vmid);
3692 check_lock
($conf) if !$skiplock;
3694 if (!check_running
($vmid)) {
3695 fairsched_rmnod
($vmid); # try to destroy group
3696 destroy_vm
($storecfg, $vmid);
3698 die "VM $vmid is running - destroy failed\n";
3706 my ($filename, $buf) = @_;
3708 my $fh = IO
::File-
>new($filename, "w");
3709 return undef if !$fh;
3711 my $res = print $fh $buf;
3718 sub pci_device_info
{
3723 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
3724 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
3726 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
3727 return undef if !defined($irq) || $irq !~ m/^\d+$/;
3729 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
3730 return undef if !defined($vendor) || $vendor !~ s/^0x//;
3732 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
3733 return undef if !defined($product) || $product !~ s/^0x//;
3738 product
=> $product,
3744 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
3753 my $name = $dev->{name
};
3755 my $fn = "$pcisysfs/devices/$name/reset";
3757 return file_write
($fn, "1");
3760 sub pci_dev_bind_to_stub
{
3763 my $name = $dev->{name
};
3765 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
3766 return 1 if -d
$testdir;
3768 my $data = "$dev->{vendor} $dev->{product}";
3769 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
3771 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3772 if (!file_write
($fn, $name)) {
3773 return undef if -f
$fn;
3776 $fn = "$pcisysfs/drivers/pci-stub/bind";
3777 if (! -d
$testdir) {
3778 return undef if !file_write
($fn, $name);
3784 sub pci_dev_bind_to_vfio
{
3787 my $name = $dev->{name
};
3789 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
3791 if (!-d
$vfio_basedir) {
3792 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
3794 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
3796 my $testdir = "$vfio_basedir/$name";
3797 return 1 if -d
$testdir;
3799 my $data = "$dev->{vendor} $dev->{product}";
3800 return undef if !file_write
("$vfio_basedir/new_id", $data);
3802 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3803 if (!file_write
($fn, $name)) {
3804 return undef if -f
$fn;
3807 $fn = "$vfio_basedir/bind";
3808 if (! -d
$testdir) {
3809 return undef if !file_write
($fn, $name);
3815 sub pci_dev_group_bind_to_vfio
{
3818 my $vfio_basedir = "$pcisysfs/drivers/vfio-pci";
3820 if (!-d
$vfio_basedir) {
3821 system("/sbin/modprobe vfio-pci >/dev/null 2>/dev/null");
3823 die "Cannot find vfio-pci module!\n" if !-d
$vfio_basedir;
3825 # get IOMMU group devices
3826 opendir(my $D, "$pcisysfs/devices/0000:$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
3827 my @devs = grep /^0000:/, readdir($D);
3830 foreach my $pciid (@devs) {
3831 $pciid =~ m/^([:\.\da-f]+)$/ or die "PCI ID $pciid not valid!\n";
3832 my $info = pci_device_info
($1);
3833 pci_dev_bind_to_vfio
($info) || die "Cannot bind $pciid to vfio\n";
3839 sub print_pci_addr
{
3840 my ($id, $bridges) = @_;
3844 piix3
=> { bus
=> 0, addr
=> 1 },
3845 #addr2 : first videocard
3846 balloon0
=> { bus
=> 0, addr
=> 3 },
3847 watchdog
=> { bus
=> 0, addr
=> 4 },
3848 scsihw0
=> { bus
=> 0, addr
=> 5 },
3849 scsihw1
=> { bus
=> 0, addr
=> 6 },
3850 ahci0
=> { bus
=> 0, addr
=> 7 },
3851 qga0
=> { bus
=> 0, addr
=> 8 },
3852 spice
=> { bus
=> 0, addr
=> 9 },
3853 virtio0
=> { bus
=> 0, addr
=> 10 },
3854 virtio1
=> { bus
=> 0, addr
=> 11 },
3855 virtio2
=> { bus
=> 0, addr
=> 12 },
3856 virtio3
=> { bus
=> 0, addr
=> 13 },
3857 virtio4
=> { bus
=> 0, addr
=> 14 },
3858 virtio5
=> { bus
=> 0, addr
=> 15 },
3859 hostpci0
=> { bus
=> 0, addr
=> 16 },
3860 hostpci1
=> { bus
=> 0, addr
=> 17 },
3861 net0
=> { bus
=> 0, addr
=> 18 },
3862 net1
=> { bus
=> 0, addr
=> 19 },
3863 net2
=> { bus
=> 0, addr
=> 20 },
3864 net3
=> { bus
=> 0, addr
=> 21 },
3865 net4
=> { bus
=> 0, addr
=> 22 },
3866 net5
=> { bus
=> 0, addr
=> 23 },
3867 vga1
=> { bus
=> 0, addr
=> 24 },
3868 vga2
=> { bus
=> 0, addr
=> 25 },
3869 vga3
=> { bus
=> 0, addr
=> 26 },
3870 hostpci2
=> { bus
=> 0, addr
=> 27 },
3871 hostpci3
=> { bus
=> 0, addr
=> 28 },
3872 #addr29 : usb-host (pve-usb.cfg)
3873 'pci.1' => { bus
=> 0, addr
=> 30 },
3874 'pci.2' => { bus
=> 0, addr
=> 31 },
3875 'net6' => { bus
=> 1, addr
=> 1 },
3876 'net7' => { bus
=> 1, addr
=> 2 },
3877 'net8' => { bus
=> 1, addr
=> 3 },
3878 'net9' => { bus
=> 1, addr
=> 4 },
3879 'net10' => { bus
=> 1, addr
=> 5 },
3880 'net11' => { bus
=> 1, addr
=> 6 },
3881 'net12' => { bus
=> 1, addr
=> 7 },
3882 'net13' => { bus
=> 1, addr
=> 8 },
3883 'net14' => { bus
=> 1, addr
=> 9 },
3884 'net15' => { bus
=> 1, addr
=> 10 },
3885 'net16' => { bus
=> 1, addr
=> 11 },
3886 'net17' => { bus
=> 1, addr
=> 12 },
3887 'net18' => { bus
=> 1, addr
=> 13 },
3888 'net19' => { bus
=> 1, addr
=> 14 },
3889 'net20' => { bus
=> 1, addr
=> 15 },
3890 'net21' => { bus
=> 1, addr
=> 16 },
3891 'net22' => { bus
=> 1, addr
=> 17 },
3892 'net23' => { bus
=> 1, addr
=> 18 },
3893 'net24' => { bus
=> 1, addr
=> 19 },
3894 'net25' => { bus
=> 1, addr
=> 20 },
3895 'net26' => { bus
=> 1, addr
=> 21 },
3896 'net27' => { bus
=> 1, addr
=> 22 },
3897 'net28' => { bus
=> 1, addr
=> 23 },
3898 'net29' => { bus
=> 1, addr
=> 24 },
3899 'net30' => { bus
=> 1, addr
=> 25 },
3900 'net31' => { bus
=> 1, addr
=> 26 },
3901 'virtio6' => { bus
=> 2, addr
=> 1 },
3902 'virtio7' => { bus
=> 2, addr
=> 2 },
3903 'virtio8' => { bus
=> 2, addr
=> 3 },
3904 'virtio9' => { bus
=> 2, addr
=> 4 },
3905 'virtio10' => { bus
=> 2, addr
=> 5 },
3906 'virtio11' => { bus
=> 2, addr
=> 6 },
3907 'virtio12' => { bus
=> 2, addr
=> 7 },
3908 'virtio13' => { bus
=> 2, addr
=> 8 },
3909 'virtio14' => { bus
=> 2, addr
=> 9 },
3910 'virtio15' => { bus
=> 2, addr
=> 10 },
3913 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3914 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3915 my $bus = $devices->{$id}->{bus
};
3916 $res = ",bus=pci.$bus,addr=$addr";
3917 $bridges->{$bus} = 1 if $bridges;
3923 sub print_pcie_addr
{
3928 hostpci0
=> { bus
=> "ich9-pcie-port-1", addr
=> 0 },
3929 hostpci1
=> { bus
=> "ich9-pcie-port-2", addr
=> 0 },
3930 hostpci2
=> { bus
=> "ich9-pcie-port-3", addr
=> 0 },
3931 hostpci3
=> { bus
=> "ich9-pcie-port-4", addr
=> 0 },
3934 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3935 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3936 my $bus = $devices->{$id}->{bus
};
3937 $res = ",bus=$bus,addr=$addr";
3943 # vzdump restore implementaion
3945 sub tar_archive_read_firstfile
{
3946 my $archive = shift;
3948 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
3950 # try to detect archive type first
3951 my $pid = open (TMP
, "tar tf '$archive'|") ||
3952 die "unable to open file '$archive'\n";
3953 my $firstfile = <TMP
>;
3957 die "ERROR: archive contaions no data\n" if !$firstfile;
3963 sub tar_restore_cleanup
{
3964 my ($storecfg, $statfile) = @_;
3966 print STDERR
"starting cleanup\n";
3968 if (my $fd = IO
::File-
>new($statfile, "r")) {
3969 while (defined(my $line = <$fd>)) {
3970 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
3973 if ($volid =~ m
|^/|) {
3974 unlink $volid || die 'unlink failed\n';
3976 PVE
::Storage
::vdisk_free
($storecfg, $volid);
3978 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
3980 print STDERR
"unable to cleanup '$volid' - $@" if $@;
3982 print STDERR
"unable to parse line in statfile - $line";
3989 sub restore_archive
{
3990 my ($archive, $vmid, $user, $opts) = @_;
3992 my $format = $opts->{format
};
3995 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
3996 $format = 'tar' if !$format;
3998 } elsif ($archive =~ m/\.tar$/) {
3999 $format = 'tar' if !$format;
4000 } elsif ($archive =~ m/.tar.lzo$/) {
4001 $format = 'tar' if !$format;
4003 } elsif ($archive =~ m/\.vma$/) {
4004 $format = 'vma' if !$format;
4005 } elsif ($archive =~ m/\.vma\.gz$/) {
4006 $format = 'vma' if !$format;
4008 } elsif ($archive =~ m/\.vma\.lzo$/) {
4009 $format = 'vma' if !$format;
4012 $format = 'vma' if !$format; # default
4015 # try to detect archive format
4016 if ($format eq 'tar') {
4017 return restore_tar_archive
($archive, $vmid, $user, $opts);
4019 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
4023 sub restore_update_config_line
{
4024 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
4026 return if $line =~ m/^\#qmdump\#/;
4027 return if $line =~ m/^\#vzdump\#/;
4028 return if $line =~ m/^lock:/;
4029 return if $line =~ m/^unused\d+:/;
4030 return if $line =~ m/^parent:/;
4031 return if $line =~ m/^template:/; # restored VM is never a template
4033 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
4034 # try to convert old 1.X settings
4035 my ($id, $ind, $ethcfg) = ($1, $2, $3);
4036 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
4037 my ($model, $macaddr) = split(/\=/, $devconfig);
4038 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
4041 bridge
=> "vmbr$ind",
4042 macaddr
=> $macaddr,
4044 my $netstr = print_net
($net);
4046 print $outfd "net$cookie->{netcount}: $netstr\n";
4047 $cookie->{netcount
}++;
4049 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
4050 my ($id, $netstr) = ($1, $2);
4051 my $net = parse_net
($netstr);
4052 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
4053 $netstr = print_net
($net);
4054 print $outfd "$id: $netstr\n";
4055 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
4058 if ($line =~ m/backup=no/) {
4059 print $outfd "#$line";
4060 } elsif ($virtdev && $map->{$virtdev}) {
4061 my $di = parse_drive
($virtdev, $value);
4062 delete $di->{format
}; # format can change on restore
4063 $di->{file
} = $map->{$virtdev};
4064 $value = print_drive
($vmid, $di);
4065 print $outfd "$virtdev: $value\n";
4075 my ($cfg, $vmid) = @_;
4077 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
4079 my $volid_hash = {};
4080 foreach my $storeid (keys %$info) {
4081 foreach my $item (@{$info->{$storeid}}) {
4082 next if !($item->{volid
} && $item->{size
});
4083 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
4084 $volid_hash->{$item->{volid
}} = $item;
4091 sub get_used_paths
{
4092 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
4096 my $scan_config = sub {
4097 my ($cref, $snapname) = @_;
4099 foreach my $key (keys %$cref) {
4100 my $value = $cref->{$key};
4101 if (valid_drivename
($key)) {
4102 next if $skip_drive && $key eq $skip_drive;
4103 my $drive = parse_drive
($key, $value);
4104 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
4105 if ($drive->{file
} =~ m!^/!) {
4106 $used_path->{$drive->{file
}}++; # = 1;
4108 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
4110 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
4112 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
4113 $used_path->{$path}++; # = 1;
4119 &$scan_config($conf);
4123 if ($scan_snapshots) {
4124 foreach my $snapname (keys %{$conf->{snapshots
}}) {
4125 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
4132 sub update_disksize
{
4133 my ($vmid, $conf, $volid_hash) = @_;
4139 # Note: it is allowed to define multiple storages with same path (alias), so
4140 # we need to check both 'volid' and real 'path' (two different volid can point
4141 # to the same path).
4146 foreach my $opt (keys %$conf) {
4147 if (valid_drivename
($opt)) {
4148 my $drive = parse_drive
($opt, $conf->{$opt});
4149 my $volid = $drive->{file
};
4152 $used->{$volid} = 1;
4153 if ($volid_hash->{$volid} &&
4154 (my $path = $volid_hash->{$volid}->{path
})) {
4155 $usedpath->{$path} = 1;
4158 next if drive_is_cdrom
($drive);
4159 next if !$volid_hash->{$volid};
4161 $drive->{size
} = $volid_hash->{$volid}->{size
};
4162 my $new = print_drive
($vmid, $drive);
4163 if ($new ne $conf->{$opt}) {
4165 $conf->{$opt} = $new;
4170 # remove 'unusedX' entry if volume is used
4171 foreach my $opt (keys %$conf) {
4172 next if $opt !~ m/^unused\d+$/;
4173 my $volid = $conf->{$opt};
4174 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
4175 if ($used->{$volid} || ($path && $usedpath->{$path})) {
4177 delete $conf->{$opt};
4181 foreach my $volid (sort keys %$volid_hash) {
4182 next if $volid =~ m/vm-$vmid-state-/;
4183 next if $used->{$volid};
4184 my $path = $volid_hash->{$volid}->{path
};
4185 next if !$path; # just to be sure
4186 next if $usedpath->{$path};
4188 add_unused_volume
($conf, $volid);
4189 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
4196 my ($vmid, $nolock) = @_;
4198 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
4200 my $volid_hash = scan_volids
($cfg, $vmid);
4202 my $updatefn = sub {
4205 my $conf = load_config
($vmid);
4210 foreach my $volid (keys %$volid_hash) {
4211 my $info = $volid_hash->{$volid};
4212 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
4215 my $changes = update_disksize
($vmid, $conf, $vm_volids);
4217 update_config_nolock
($vmid, $conf, 1) if $changes;
4220 if (defined($vmid)) {
4224 lock_config
($vmid, $updatefn, $vmid);
4227 my $vmlist = config_list
();
4228 foreach my $vmid (keys %$vmlist) {
4232 lock_config
($vmid, $updatefn, $vmid);
4238 sub restore_vma_archive
{
4239 my ($archive, $vmid, $user, $opts, $comp) = @_;
4241 my $input = $archive eq '-' ?
"<&STDIN" : undef;
4242 my $readfrom = $archive;
4247 my $qarchive = PVE
::Tools
::shellquote
($archive);
4248 if ($comp eq 'gzip') {
4249 $uncomp = "zcat $qarchive|";
4250 } elsif ($comp eq 'lzop') {
4251 $uncomp = "lzop -d -c $qarchive|";
4253 die "unknown compression method '$comp'\n";
4258 my $tmpdir = "/var/tmp/vzdumptmp$$";
4261 # disable interrupts (always do cleanups)
4262 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4263 warn "got interrupt - ignored\n";
4266 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
4267 POSIX
::mkfifo
($mapfifo, 0600);
4270 my $openfifo = sub {
4271 open($fifofh, '>', $mapfifo) || die $!;
4274 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
4281 my $rpcenv = PVE
::RPCEnvironment
::get
();
4283 my $conffile = config_file
($vmid);
4284 my $tmpfn = "$conffile.$$.tmp";
4286 # Note: $oldconf is undef if VM does not exists
4287 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
4289 my $print_devmap = sub {
4290 my $virtdev_hash = {};
4292 my $cfgfn = "$tmpdir/qemu-server.conf";
4294 # we can read the config - that is already extracted
4295 my $fh = IO
::File-
>new($cfgfn, "r") ||
4296 "unable to read qemu-server.conf - $!\n";
4298 while (defined(my $line = <$fh>)) {
4299 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
4300 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
4301 die "archive does not contain data for drive '$virtdev'\n"
4302 if !$devinfo->{$devname};
4303 if (defined($opts->{storage
})) {
4304 $storeid = $opts->{storage
} || 'local';
4305 } elsif (!$storeid) {
4308 $format = 'raw' if !$format;
4309 $devinfo->{$devname}->{devname
} = $devname;
4310 $devinfo->{$devname}->{virtdev
} = $virtdev;
4311 $devinfo->{$devname}->{format
} = $format;
4312 $devinfo->{$devname}->{storeid
} = $storeid;
4314 # check permission on storage
4315 my $pool = $opts->{pool
}; # todo: do we need that?
4316 if ($user ne 'root@pam') {
4317 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
4320 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4324 foreach my $devname (keys %$devinfo) {
4325 die "found no device mapping information for device '$devname'\n"
4326 if !$devinfo->{$devname}->{virtdev
};
4329 my $cfg = cfs_read_file
('storage.cfg');
4331 # create empty/temp config
4333 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4334 foreach_drive
($oldconf, sub {
4335 my ($ds, $drive) = @_;
4337 return if drive_is_cdrom
($drive);
4339 my $volid = $drive->{file
};
4341 return if !$volid || $volid =~ m
|^/|;
4343 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4344 return if !$path || !$owner || ($owner != $vmid);
4346 # Note: only delete disk we want to restore
4347 # other volumes will become unused
4348 if ($virtdev_hash->{$ds}) {
4349 PVE
::Storage
::vdisk_free
($cfg, $volid);
4355 foreach my $virtdev (sort keys %$virtdev_hash) {
4356 my $d = $virtdev_hash->{$virtdev};
4357 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4358 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4360 # test if requested format is supported
4361 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
4362 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
4363 $d->{format
} = $defFormat if !$supported;
4365 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
4366 $d->{format
}, undef, $alloc_size);
4367 print STDERR
"new volume ID is '$volid'\n";
4368 $d->{volid
} = $volid;
4369 my $path = PVE
::Storage
::path
($cfg, $volid);
4371 my $write_zeros = 1;
4372 # fixme: what other storages types initialize volumes with zero?
4373 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
4374 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
4378 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
4380 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
4381 $map->{$virtdev} = $volid;
4384 $fh->seek(0, 0) || die "seek failed - $!\n";
4386 my $outfd = new IO
::File
($tmpfn, "w") ||
4387 die "unable to write config for VM $vmid\n";
4389 my $cookie = { netcount
=> 0 };
4390 while (defined(my $line = <$fh>)) {
4391 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4400 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4401 die "interrupted by signal\n";
4403 local $SIG{ALRM
} = sub { die "got timeout\n"; };
4405 $oldtimeout = alarm($timeout);
4412 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
4413 my ($dev_id, $size, $devname) = ($1, $2, $3);
4414 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
4415 } elsif ($line =~ m/^CTIME: /) {
4416 # we correctly received the vma config, so we can disable
4417 # the timeout now for disk allocation (set to 10 minutes, so
4418 # that we always timeout if something goes wrong)
4421 print $fifofh "done\n";
4422 my $tmp = $oldtimeout || 0;
4423 $oldtimeout = undef;
4429 print "restore vma archive: $cmd\n";
4430 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
4434 alarm($oldtimeout) if $oldtimeout;
4442 my $cfg = cfs_read_file
('storage.cfg');
4443 foreach my $devname (keys %$devinfo) {
4444 my $volid = $devinfo->{$devname}->{volid
};
4447 if ($volid =~ m
|^/|) {
4448 unlink $volid || die 'unlink failed\n';
4450 PVE
::Storage
::vdisk_free
($cfg, $volid);
4452 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4454 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4461 rename($tmpfn, $conffile) ||
4462 die "unable to commit configuration file '$conffile'\n";
4464 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4466 eval { rescan
($vmid, 1); };
4470 sub restore_tar_archive
{
4471 my ($archive, $vmid, $user, $opts) = @_;
4473 if ($archive ne '-') {
4474 my $firstfile = tar_archive_read_firstfile
($archive);
4475 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
4476 if $firstfile ne 'qemu-server.conf';
4479 my $storecfg = cfs_read_file
('storage.cfg');
4481 # destroy existing data - keep empty config
4482 my $vmcfgfn = PVE
::QemuServer
::config_file
($vmid);
4483 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
4485 my $tocmd = "/usr/lib/qemu-server/qmextract";
4487 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
4488 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
4489 $tocmd .= ' --prealloc' if $opts->{prealloc
};
4490 $tocmd .= ' --info' if $opts->{info
};
4492 # tar option "xf" does not autodetect compression when read from STDIN,
4493 # so we pipe to zcat
4494 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
4495 PVE
::Tools
::shellquote
("--to-command=$tocmd");
4497 my $tmpdir = "/var/tmp/vzdumptmp$$";
4500 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
4501 local $ENV{VZDUMP_VMID
} = $vmid;
4502 local $ENV{VZDUMP_USER
} = $user;
4504 my $conffile = config_file
($vmid);
4505 my $tmpfn = "$conffile.$$.tmp";
4507 # disable interrupts (always do cleanups)
4508 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4509 print STDERR
"got interrupt - ignored\n";
4514 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4515 die "interrupted by signal\n";
4518 if ($archive eq '-') {
4519 print "extracting archive from STDIN\n";
4520 run_command
($cmd, input
=> "<&STDIN");
4522 print "extracting archive '$archive'\n";
4526 return if $opts->{info
};
4530 my $statfile = "$tmpdir/qmrestore.stat";
4531 if (my $fd = IO
::File-
>new($statfile, "r")) {
4532 while (defined (my $line = <$fd>)) {
4533 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4534 $map->{$1} = $2 if $1;
4536 print STDERR
"unable to parse line in statfile - $line\n";
4542 my $confsrc = "$tmpdir/qemu-server.conf";
4544 my $srcfd = new IO
::File
($confsrc, "r") ||
4545 die "unable to open file '$confsrc'\n";
4547 my $outfd = new IO
::File
($tmpfn, "w") ||
4548 die "unable to write config for VM $vmid\n";
4550 my $cookie = { netcount
=> 0 };
4551 while (defined (my $line = <$srcfd>)) {
4552 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4564 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
4571 rename $tmpfn, $conffile ||
4572 die "unable to commit configuration file '$conffile'\n";
4574 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4576 eval { rescan
($vmid, 1); };
4581 # Internal snapshots
4583 # NOTE: Snapshot create/delete involves several non-atomic
4584 # action, and can take a long time.
4585 # So we try to avoid locking the file and use 'lock' variable
4586 # inside the config file instead.
4588 my $snapshot_copy_config = sub {
4589 my ($source, $dest) = @_;
4591 foreach my $k (keys %$source) {
4592 next if $k eq 'snapshots';
4593 next if $k eq 'snapstate';
4594 next if $k eq 'snaptime';
4595 next if $k eq 'vmstate';
4596 next if $k eq 'lock';
4597 next if $k eq 'digest';
4598 next if $k eq 'description';
4599 next if $k =~ m/^unused\d+$/;
4601 $dest->{$k} = $source->{$k};
4605 my $snapshot_apply_config = sub {
4606 my ($conf, $snap) = @_;
4608 # copy snapshot list
4610 snapshots
=> $conf->{snapshots
},
4613 # keep description and list of unused disks
4614 foreach my $k (keys %$conf) {
4615 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
4616 $newconf->{$k} = $conf->{$k};
4619 &$snapshot_copy_config($snap, $newconf);
4624 sub foreach_writable_storage
{
4625 my ($conf, $func) = @_;
4629 foreach my $ds (keys %$conf) {
4630 next if !valid_drivename
($ds);
4632 my $drive = parse_drive
($ds, $conf->{$ds});
4634 next if drive_is_cdrom
($drive);
4636 my $volid = $drive->{file
};
4638 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4639 $sidhash->{$sid} = $sid if $sid;
4642 foreach my $sid (sort keys %$sidhash) {
4647 my $alloc_vmstate_volid = sub {
4648 my ($storecfg, $vmid, $conf, $snapname) = @_;
4650 # Note: we try to be smart when selecting a $target storage
4654 # search shared storage first
4655 foreach_writable_storage
($conf, sub {
4657 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4658 return if !$scfg->{shared
};
4660 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
4664 # now search local storage
4665 foreach_writable_storage
($conf, sub {
4667 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4668 return if $scfg->{shared
};
4670 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
4674 $target = 'local' if !$target;
4676 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
4677 # we abort live save after $conf->{memory}, so we need at max twice that space
4678 my $size = $conf->{memory
}*2 + $driver_state_size;
4680 my $name = "vm-$vmid-state-$snapname";
4681 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
4682 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
4683 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
4688 my $snapshot_prepare = sub {
4689 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
4693 my $updatefn = sub {
4695 my $conf = load_config
($vmid);
4697 die "you can't take a snapshot if it's a template\n"
4698 if is_template
($conf);
4702 $conf->{lock} = 'snapshot';
4704 die "snapshot name '$snapname' already used\n"
4705 if defined($conf->{snapshots
}->{$snapname});
4707 my $storecfg = PVE
::Storage
::config
();
4708 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
4710 $snap = $conf->{snapshots
}->{$snapname} = {};
4712 if ($save_vmstate && check_running
($vmid)) {
4713 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
4716 &$snapshot_copy_config($conf, $snap);
4718 $snap->{snapstate
} = "prepare";
4719 $snap->{snaptime
} = time();
4720 $snap->{description
} = $comment if $comment;
4722 # always overwrite machine if we save vmstate. This makes sure we
4723 # can restore it later using correct machine type
4724 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
4726 update_config_nolock
($vmid, $conf, 1);
4729 lock_config
($vmid, $updatefn);
4734 my $snapshot_commit = sub {
4735 my ($vmid, $snapname) = @_;
4737 my $updatefn = sub {
4739 my $conf = load_config
($vmid);
4741 die "missing snapshot lock\n"
4742 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
4744 my $has_machine_config = defined($conf->{machine
});
4746 my $snap = $conf->{snapshots
}->{$snapname};
4748 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4750 die "wrong snapshot state\n"
4751 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
4753 delete $snap->{snapstate
};
4754 delete $conf->{lock};
4756 my $newconf = &$snapshot_apply_config($conf, $snap);
4758 delete $newconf->{machine
} if !$has_machine_config;
4760 $newconf->{parent
} = $snapname;
4762 update_config_nolock
($vmid, $newconf, 1);
4765 lock_config
($vmid, $updatefn);
4768 sub snapshot_rollback
{
4769 my ($vmid, $snapname) = @_;
4775 my $storecfg = PVE
::Storage
::config
();
4777 my $updatefn = sub {
4779 my $conf = load_config
($vmid);
4781 die "you can't rollback if vm is a template\n" if is_template
($conf);
4783 $snap = $conf->{snapshots
}->{$snapname};
4785 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4787 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
4788 if $snap->{snapstate
};
4792 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
4795 die "unable to rollback vm $vmid: vm is running\n"
4796 if check_running
($vmid);
4799 $conf->{lock} = 'rollback';
4801 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
4802 delete $conf->{lock};
4808 my $has_machine_config = defined($conf->{machine
});
4810 # copy snapshot config to current config
4811 $conf = &$snapshot_apply_config($conf, $snap);
4812 $conf->{parent
} = $snapname;
4814 # Note: old code did not store 'machine', so we try to be smart
4815 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
4816 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
4817 # we remove the 'machine' configuration if not explicitly specified
4818 # in the original config.
4819 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
4822 update_config_nolock
($vmid, $conf, 1);
4824 if (!$prepare && $snap->{vmstate
}) {
4825 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4826 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
4830 lock_config
($vmid, $updatefn);
4832 foreach_drive
($snap, sub {
4833 my ($ds, $drive) = @_;
4835 return if drive_is_cdrom
($drive);
4837 my $volid = $drive->{file
};
4838 my $device = "drive-$ds";
4840 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
4844 lock_config
($vmid, $updatefn);
4847 my $savevm_wait = sub {
4851 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
4852 if (!$stat->{status
}) {
4853 die "savevm not active\n";
4854 } elsif ($stat->{status
} eq 'active') {
4857 } elsif ($stat->{status
} eq 'completed') {
4860 die "query-savevm returned status '$stat->{status}'\n";
4865 sub snapshot_create
{
4866 my ($vmid, $snapname, $save_vmstate, $freezefs, $comment) = @_;
4868 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
4870 $freezefs = $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
4874 my $running = check_running
($vmid);
4877 # create internal snapshots of all drives
4879 my $storecfg = PVE
::Storage
::config
();
4882 if ($snap->{vmstate
}) {
4883 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4884 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
4885 &$savevm_wait($vmid);
4887 vm_mon_cmd
($vmid, "savevm-start");
4891 qga_freezefs
($vmid) if $running && $freezefs;
4893 foreach_drive
($snap, sub {
4894 my ($ds, $drive) = @_;
4896 return if drive_is_cdrom
($drive);
4898 my $volid = $drive->{file
};
4899 my $device = "drive-$ds";
4901 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
4902 $drivehash->{$ds} = 1;
4907 eval { qga_unfreezefs
($vmid) if $running && $freezefs; };
4910 eval { vm_mon_cmd
($vmid, "savevm-end") if $running; };
4914 warn "snapshot create failed: starting cleanup\n";
4915 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
4920 &$snapshot_commit($vmid, $snapname);
4923 # Note: $drivehash is only set when called from snapshot_create.
4924 sub snapshot_delete
{
4925 my ($vmid, $snapname, $force, $drivehash) = @_;
4932 my $unlink_parent = sub {
4933 my ($confref, $new_parent) = @_;
4935 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
4937 $confref->{parent
} = $new_parent;
4939 delete $confref->{parent
};
4944 my $updatefn = sub {
4945 my ($remove_drive) = @_;
4947 my $conf = load_config
($vmid);
4951 die "you can't delete a snapshot if vm is a template\n"
4952 if is_template
($conf);
4955 $snap = $conf->{snapshots
}->{$snapname};
4957 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4959 # remove parent refs
4961 &$unlink_parent($conf, $snap->{parent
});
4962 foreach my $sn (keys %{$conf->{snapshots
}}) {
4963 next if $sn eq $snapname;
4964 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
4968 if ($remove_drive) {
4969 if ($remove_drive eq 'vmstate') {
4970 delete $snap->{$remove_drive};
4972 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
4973 my $volid = $drive->{file
};
4974 delete $snap->{$remove_drive};
4975 add_unused_volume
($conf, $volid);
4980 $snap->{snapstate
} = 'delete';
4982 delete $conf->{snapshots
}->{$snapname};
4983 delete $conf->{lock} if $drivehash;
4984 foreach my $volid (@$unused) {
4985 add_unused_volume
($conf, $volid);
4989 update_config_nolock
($vmid, $conf, 1);
4992 lock_config
($vmid, $updatefn);
4994 # now remove vmstate file
4996 my $storecfg = PVE
::Storage
::config
();
4998 if ($snap->{vmstate
}) {
4999 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
5001 die $err if !$force;
5004 # save changes (remove vmstate from snapshot)
5005 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
5008 # now remove all internal snapshots
5009 foreach_drive
($snap, sub {
5010 my ($ds, $drive) = @_;
5012 return if drive_is_cdrom
($drive);
5014 my $volid = $drive->{file
};
5015 my $device = "drive-$ds";
5017 if (!$drivehash || $drivehash->{$ds}) {
5018 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
5020 die $err if !$force;
5025 # save changes (remove drive fron snapshot)
5026 lock_config
($vmid, $updatefn, $ds) if !$force;
5027 push @$unused, $volid;
5030 # now cleanup config
5032 lock_config
($vmid, $updatefn);
5036 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
5039 foreach_drive
($conf, sub {
5040 my ($ds, $drive) = @_;
5042 return if drive_is_cdrom
($drive);
5043 my $volid = $drive->{file
};
5044 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
5047 return $err ?
0 : 1;
5050 sub template_create
{
5051 my ($vmid, $conf, $disk) = @_;
5053 my $storecfg = PVE
::Storage
::config
();
5055 foreach_drive
($conf, sub {
5056 my ($ds, $drive) = @_;
5058 return if drive_is_cdrom
($drive);
5059 return if $disk && $ds ne $disk;
5061 my $volid = $drive->{file
};
5062 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
5064 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
5065 $drive->{file
} = $voliddst;
5066 $conf->{$ds} = print_drive
($vmid, $drive);
5067 update_config_nolock
($vmid, $conf, 1);
5074 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
5077 sub qemu_img_convert
{
5078 my ($src_volid, $dst_volid, $size, $snapname) = @_;
5080 my $storecfg = PVE
::Storage
::config
();
5081 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
5082 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5084 if ($src_storeid && $dst_storeid) {
5085 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
5086 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5088 my $src_format = qemu_img_format
($src_scfg, $src_volname);
5089 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
5091 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
5092 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5095 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
5096 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
5097 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
5101 if($line =~ m/\((\S+)\/100\
%\)/){
5103 my $transferred = int($size * $percent / 100);
5104 my $remaining = $size - $transferred;
5106 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
5111 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
5113 die "copy failed: $err" if $err;
5117 sub qemu_img_format
{
5118 my ($scfg, $volname) = @_;
5120 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
5122 } elsif ($scfg->{type
} eq 'iscsi') {
5123 return "host_device";
5129 sub qemu_drive_mirror
{
5130 my ($vmid, $drive, $dst_volid, $vmiddst, $maxwait) = @_;
5136 my $storecfg = PVE
::Storage
::config
();
5137 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
5140 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
5143 if ($dst_volname =~ m/\.(raw|qcow2)$/){
5147 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
5150 #fixme : sometime drive-mirror timeout, but works fine after.
5151 # (I have see the problem with big volume > 200GB), so we need to eval
5152 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
5153 sync
=> "full", target
=> $dst_path, format
=> $format); };
5155 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
5156 sync
=> "full", target
=> $dst_path); };
5161 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
5162 my $stat = @$stats[0];
5163 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
5164 die "error job is not mirroring" if $stat->{type
} ne "mirror";
5166 my $transferred = $stat->{offset
};
5167 my $total = $stat->{len
};
5168 my $remaining = $total - $transferred;
5169 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
5171 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent %\n";
5173 last if ($stat->{len
} == $stat->{offset
});
5174 if ($old_len == $stat->{offset
}) {
5175 if ($maxwait && $count > $maxwait) {
5176 # if writes to disk occurs the disk needs to be freezed
5177 # to be able to complete the migration
5178 vm_suspend
($vmid,1);
5182 $count++ unless $frozen;
5188 $old_len = $stat->{offset
};
5192 if ($vmiddst == $vmid) {
5193 # switch the disk if source and destination are on the same guest
5194 vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive");
5198 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive"); };
5199 die "mirroring error: $err";
5202 if ($vmiddst != $vmid) {
5203 # if we clone a disk for a new target vm, we don't switch the disk
5204 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
5210 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
5211 $newvmid, $storage, $format, $full, $newvollist) = @_;
5216 print "create linked clone of drive $drivename ($drive->{file})\n";
5217 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid, $snapname);
5218 push @$newvollist, $newvolid;
5220 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
5221 $storeid = $storage if $storage;
5223 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
5225 $format = $drive->{format
} || $defFormat;
5228 # test if requested format is supported - else use default
5229 my $supported = grep { $_ eq $format } @$validFormats;
5230 $format = $defFormat if !$supported;
5232 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
5234 print "create full clone of drive $drivename ($drive->{file})\n";
5235 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
5236 push @$newvollist, $newvolid;
5238 if (!$running || $snapname) {
5239 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
5241 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
5245 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
5248 $disk->{format
} = undef;
5249 $disk->{file
} = $newvolid;
5250 $disk->{size
} = $size;
5255 # this only works if VM is running
5256 sub get_current_qemu_machine
{
5259 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
5260 my $res = PVE
::QemuServer
::vm_qmp_command
($vmid, $cmd);
5262 my ($current, $default);
5263 foreach my $e (@$res) {
5264 $default = $e->{name
} if $e->{'is-default'};
5265 $current = $e->{name
} if $e->{'is-current'};
5268 # fallback to the default machine if current is not supported by qemu
5269 return $current || $default || 'pc';
5276 dir_glob_foreach
("$pcisysfs/devices", '[a-f0-9]{4}:([a-f0-9]{2}:[a-f0-9]{2})\.([0-9])', sub {
5277 my (undef, $id, $function) = @_;
5278 my $res = { id
=> $id, function
=> $function};
5279 push @{$devices->{$id}}, $res;