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);
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 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+)',
442 # what about other qemu settings ?
444 #machine => 'string',
457 ##soundhw => 'string',
459 while (my ($k, $v) = each %$confdesc) {
460 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
463 my $MAX_IDE_DISKS = 4;
464 my $MAX_SCSI_DISKS = 14;
465 my $MAX_VIRTIO_DISKS = 16;
466 my $MAX_SATA_DISKS = 6;
467 my $MAX_USB_DEVICES = 5;
469 my $MAX_UNUSED_DISKS = 8;
470 my $MAX_HOSTPCI_DEVICES = 2;
471 my $MAX_SERIAL_PORTS = 4;
472 my $MAX_PARALLEL_PORTS = 3;
474 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
475 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3'];
476 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
480 type
=> 'string', format
=> 'pve-qm-net',
481 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,rate=<mbps>][,tag=<vlanid>]",
482 description
=> <<EODESCR,
483 Specify network devices.
485 MODEL is one of: $nic_model_list_txt
487 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
488 automatically generated if not specified.
490 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
492 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'.
494 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
500 The DHCP server assign addresses to the guest starting from 10.0.2.15.
504 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
506 for (my $i = 0; $i < $MAX_NETS; $i++) {
507 $confdesc->{"net$i"} = $netdesc;
514 type
=> 'string', format
=> 'pve-qm-drive',
515 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
516 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
518 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
522 type
=> 'string', format
=> 'pve-qm-drive',
523 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
524 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
526 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
530 type
=> 'string', format
=> 'pve-qm-drive',
531 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
532 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
534 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
538 type
=> 'string', format
=> 'pve-qm-drive',
539 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
540 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
542 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
546 type
=> 'string', format
=> 'pve-qm-usb-device',
547 typetext
=> 'host=HOSTUSBDEVICE|spice',
548 description
=> <<EODESCR,
549 Configure an USB device (n is 0 to 4). This can be used to
550 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
552 'bus-port(.port)*' (decimal numbers) or
553 'vendor_id:product_id' (hexadeciaml numbers)
555 You can use the 'lsusb -t' command to list existing usb devices.
557 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
559 The value 'spice' can be used to add a usb redirection devices for spice.
563 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
567 type
=> 'string', format
=> 'pve-qm-hostpci',
568 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off]",
569 description
=> <<EODESCR,
570 Map host pci devices. HOSTPCIDEVICE syntax is:
572 'bus:dev.func' (hexadecimal numbers)
574 You can us the 'lspci' command to list existing pci devices.
576 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
578 The 'driver' option is currently ignored.
580 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
582 Experimental: user reported problems with this option.
585 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
590 pattern
=> '(/dev/ttyS\d+|socket)',
591 description
=> <<EODESCR,
592 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).
594 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
596 Experimental: user reported problems with this option.
603 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
604 description
=> <<EODESCR,
605 Map host parallel devices (n is 0 to 2).
607 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
609 Experimental: user reported problems with this option.
613 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
614 $confdesc->{"parallel$i"} = $paralleldesc;
617 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
618 $confdesc->{"serial$i"} = $serialdesc;
621 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
622 $confdesc->{"hostpci$i"} = $hostpcidesc;
625 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
626 $drivename_hash->{"ide$i"} = 1;
627 $confdesc->{"ide$i"} = $idedesc;
630 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
631 $drivename_hash->{"sata$i"} = 1;
632 $confdesc->{"sata$i"} = $satadesc;
635 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
636 $drivename_hash->{"scsi$i"} = 1;
637 $confdesc->{"scsi$i"} = $scsidesc ;
640 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
641 $drivename_hash->{"virtio$i"} = 1;
642 $confdesc->{"virtio$i"} = $virtiodesc;
645 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
646 $confdesc->{"usb$i"} = $usbdesc;
651 type
=> 'string', format
=> 'pve-volume-id',
652 description
=> "Reference to unused volumes.",
655 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
656 $confdesc->{"unused$i"} = $unuseddesc;
659 my $kvm_api_version = 0;
663 return $kvm_api_version if $kvm_api_version;
665 my $fh = IO
::File-
>new("</dev/kvm") ||
668 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
669 $kvm_api_version = $v;
674 return $kvm_api_version;
677 my $kvm_user_version;
679 sub kvm_user_version
{
681 return $kvm_user_version if $kvm_user_version;
683 $kvm_user_version = 'unknown';
685 my $tmp = `kvm -help 2>/dev/null`;
687 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
688 $kvm_user_version = $2;
691 return $kvm_user_version;
695 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
698 # order is important - used to autoselect boot disk
699 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
700 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
701 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
702 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
705 sub valid_drivename
{
708 return defined($drivename_hash->{$dev});
713 return defined($confdesc->{$key});
717 return $nic_model_list;
720 sub os_list_description
{
725 w2k
=> 'Windows 2000',
726 w2k3
=>, 'Windows 2003',
727 w2k8
=> 'Windows 2008',
728 wvista
=> 'Windows Vista',
730 win8
=> 'Windows 8/2012',
740 return $cdrom_path if $cdrom_path;
742 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
743 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
744 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
748 my ($storecfg, $vmid, $cdrom) = @_;
750 if ($cdrom eq 'cdrom') {
751 return get_cdrom_path
();
752 } elsif ($cdrom eq 'none') {
754 } elsif ($cdrom =~ m
|^/|) {
757 return PVE
::Storage
::path
($storecfg, $cdrom);
761 # try to convert old style file names to volume IDs
762 sub filename_to_volume_id
{
763 my ($vmid, $file, $media) = @_;
765 if (!($file eq 'none' || $file eq 'cdrom' ||
766 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
768 return undef if $file =~ m
|/|;
770 if ($media && $media eq 'cdrom') {
771 $file = "local:iso/$file";
773 $file = "local:$vmid/$file";
780 sub verify_media_type
{
781 my ($opt, $vtype, $media) = @_;
786 if ($media eq 'disk') {
788 } elsif ($media eq 'cdrom') {
791 die "internal error";
794 return if ($vtype eq $etype);
796 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
799 sub cleanup_drive_path
{
800 my ($opt, $storecfg, $drive) = @_;
802 # try to convert filesystem paths to volume IDs
804 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
805 ($drive->{file
} !~ m
|^/dev/.+|) &&
806 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
807 ($drive->{file
} !~ m/^\d+$/)) {
808 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
809 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
810 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
811 verify_media_type
($opt, $vtype, $drive->{media
});
812 $drive->{file
} = $volid;
815 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
818 sub create_conf_nolock
{
819 my ($vmid, $settings) = @_;
821 my $filename = config_file
($vmid);
823 die "configuration file '$filename' already exists\n" if -f
$filename;
825 my $defaults = load_defaults
();
827 $settings->{name
} = "vm$vmid" if !$settings->{name
};
828 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
831 foreach my $opt (keys %$settings) {
832 next if !$confdesc->{$opt};
834 my $value = $settings->{$opt};
837 $data .= "$opt: $value\n";
840 PVE
::Tools
::file_set_contents
($filename, $data);
843 my $parse_size = sub {
846 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
847 my ($size, $unit) = ($1, $3);
850 $size = $size * 1024;
851 } elsif ($unit eq 'M') {
852 $size = $size * 1024 * 1024;
853 } elsif ($unit eq 'G') {
854 $size = $size * 1024 * 1024 * 1024;
860 my $format_size = sub {
865 my $kb = int($size/1024);
866 return $size if $kb*1024 != $size;
868 my $mb = int($kb/1024);
869 return "${kb}K" if $mb*1024 != $kb;
871 my $gb = int($mb/1024);
872 return "${mb}M" if $gb*1024 != $mb;
877 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
878 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
879 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
880 # [,aio=native|threads][,discard=ignore|on]
883 my ($key, $data) = @_;
887 # $key may be undefined - used to verify JSON parameters
888 if (!defined($key)) {
889 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
891 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
892 $res->{interface
} = $1;
898 foreach my $p (split (/,/, $data)) {
899 next if $p =~ m/^\s*$/;
901 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
902 my ($k, $v) = ($1, $2);
904 $k = 'file' if $k eq 'volume';
906 return undef if defined $res->{$k};
908 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
909 return undef if !$v || $v !~ m/^\d+/;
911 $v = sprintf("%.3f", $v / (1024*1024));
915 if (!$res->{file
} && $p !~ m/=/) {
923 return undef if !$res->{file
};
925 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
929 return undef if $res->{cache
} &&
930 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
931 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
932 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
933 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
934 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
935 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
936 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
937 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
938 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
939 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
940 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
941 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
942 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
944 return undef if $res->{mbps_rd
} && $res->{mbps
};
945 return undef if $res->{mbps_wr
} && $res->{mbps
};
947 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
948 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
949 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
950 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
951 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
952 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
954 return undef if $res->{iops_rd
} && $res->{iops
};
955 return undef if $res->{iops_wr
} && $res->{iops
};
958 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
959 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
960 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
961 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
962 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
963 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
967 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
970 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
971 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
972 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
973 return undef if $res->{interface
} eq 'virtio';
976 # rerror does not work with scsi drives
977 if ($res->{rerror
}) {
978 return undef if $res->{interface
} eq 'scsi';
984 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
987 my ($vmid, $drive) = @_;
990 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
991 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
994 if ($drive->{size
}) {
995 $opts .= ",size=" . &$format_size($drive->{size
});
998 return "$drive->{file}$opts";
1002 my($fh, $noerr) = @_;
1005 my $SG_GET_VERSION_NUM = 0x2282;
1007 my $versionbuf = "\x00" x
8;
1008 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1010 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1013 my $version = unpack("I", $versionbuf);
1014 if ($version < 30000) {
1015 die "scsi generic interface too old\n" if !$noerr;
1019 my $buf = "\x00" x
36;
1020 my $sensebuf = "\x00" x
8;
1021 my $cmd = pack("C x3 C x1", 0x12, 36);
1023 # see /usr/include/scsi/sg.h
1024 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";
1026 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1027 length($sensebuf), 0, length($buf), $buf,
1028 $cmd, $sensebuf, 6000);
1030 $ret = ioctl($fh, $SG_IO, $packet);
1032 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1036 my @res = unpack($sg_io_hdr_t, $packet);
1037 if ($res[17] || $res[18]) {
1038 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1043 (my $byte0, my $byte1, $res->{vendor
},
1044 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1046 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1047 $res->{type
} = $byte0 & 31;
1055 my $fh = IO
::File-
>new("+<$path") || return undef;
1056 my $res = scsi_inquiry
($fh, 1);
1062 sub print_drivedevice_full
{
1063 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1068 if ($drive->{interface
} eq 'virtio') {
1069 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1070 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1071 } elsif ($drive->{interface
} eq 'scsi') {
1072 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1073 my $controller = int($drive->{index} / $maxdev);
1074 my $unit = $drive->{index} % $maxdev;
1075 my $devicetype = 'hd';
1077 if (drive_is_cdrom
($drive)) {
1080 if ($drive->{file
} =~ m
|^/|) {
1081 $path = $drive->{file
};
1083 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1086 if($path =~ m/^iscsi\:\/\
//){
1087 $devicetype = 'generic';
1089 if (my $info = path_is_scsi
($path)) {
1090 if ($info->{type
} == 0) {
1091 $devicetype = 'block';
1092 } elsif ($info->{type
} == 1) { # tape
1093 $devicetype = 'generic';
1099 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1100 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1102 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1105 } elsif ($drive->{interface
} eq 'ide'){
1107 my $controller = int($drive->{index} / $maxdev);
1108 my $unit = $drive->{index} % $maxdev;
1109 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1111 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1112 } elsif ($drive->{interface
} eq 'sata'){
1113 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1114 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1115 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1116 } elsif ($drive->{interface
} eq 'usb') {
1118 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1120 die "unsupported interface type";
1123 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1128 sub print_drive_full
{
1129 my ($storecfg, $vmid, $drive) = @_;
1132 foreach my $o (@qemu_drive_options) {
1133 next if $o eq 'bootindex';
1134 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1137 foreach my $o (qw(bps bps_rd bps_wr)) {
1138 my $v = $drive->{"m$o"};
1139 $opts .= ",$o=" . int($v*1024*1024) if $v;
1142 # use linux-aio by default (qemu default is threads)
1143 $opts .= ",aio=native" if !$drive->{aio
};
1146 my $volid = $drive->{file
};
1147 if (drive_is_cdrom
($drive)) {
1148 $path = get_iso_path
($storecfg, $vmid, $volid);
1150 if ($volid =~ m
|^/|) {
1153 $path = PVE
::Storage
::path
($storecfg, $volid);
1157 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1159 my $pathinfo = $path ?
"file=$path," : '';
1161 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1164 sub print_netdevice_full
{
1165 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1167 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1169 my $device = $net->{model
};
1170 if ($net->{model
} eq 'virtio') {
1171 $device = 'virtio-net-pci';
1174 # qemu > 0.15 always try to boot from network - we disable that by
1175 # not loading the pxe rom file
1176 my $extra = ($bootorder !~ m/n/) ?
"romfile=," : '';
1177 my $pciaddr = print_pci_addr
("$netid", $bridges);
1178 my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1179 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1183 sub print_netdev_full
{
1184 my ($vmid, $conf, $net, $netid) = @_;
1187 if ($netid =~ m/^net(\d+)$/) {
1191 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1193 my $ifname = "tap${vmid}i$i";
1195 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1196 die "interface name '$ifname' is too long (max 15 character)\n"
1197 if length($ifname) >= 16;
1199 my $vhostparam = '';
1200 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1202 my $vmname = $conf->{name
} || "vm$vmid";
1204 if ($net->{bridge
}) {
1205 return "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge$vhostparam";
1207 return "type=user,id=$netid,hostname=$vmname";
1211 sub drive_is_cdrom
{
1214 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1221 return undef if !$value;
1224 my @list = split(/,/, $value);
1228 foreach my $kv (@list) {
1230 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2}\.[a-f0-9])$/) {
1233 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1234 $res->{driver
} = $1;
1235 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1236 $res->{rombar
} = $1;
1238 warn "unknown hostpci setting '$kv'\n";
1242 return undef if !$found;
1247 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1253 foreach my $kvp (split(/,/, $data)) {
1255 if ($kvp =~ m/^(ne2k_pci|e1000|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1257 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1258 $res->{model
} = $model;
1259 $res->{macaddr
} = $mac;
1260 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1261 $res->{bridge
} = $1;
1262 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1264 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1272 return undef if !$res->{model
};
1280 my $res = "$net->{model}";
1281 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1282 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1283 $res .= ",rate=$net->{rate}" if $net->{rate
};
1284 $res .= ",tag=$net->{tag}" if $net->{tag
};
1289 sub add_random_macs
{
1290 my ($settings) = @_;
1292 foreach my $opt (keys %$settings) {
1293 next if $opt !~ m/^net(\d+)$/;
1294 my $net = parse_net
($settings->{$opt});
1296 $settings->{$opt} = print_net
($net);
1300 sub add_unused_volume
{
1301 my ($config, $volid) = @_;
1304 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1305 my $test = "unused$ind";
1306 if (my $vid = $config->{$test}) {
1307 return if $vid eq $volid; # do not add duplicates
1313 die "To many unused volume - please delete them first.\n" if !$key;
1315 $config->{$key} = $volid;
1320 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1321 sub verify_bootdisk
{
1322 my ($value, $noerr) = @_;
1324 return $value if valid_drivename
($value);
1326 return undef if $noerr;
1328 die "invalid boot disk '$value'\n";
1331 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1333 my ($value, $noerr) = @_;
1335 return $value if parse_net
($value);
1337 return undef if $noerr;
1339 die "unable to parse network options\n";
1342 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1344 my ($value, $noerr) = @_;
1346 return $value if parse_drive
(undef, $value);
1348 return undef if $noerr;
1350 die "unable to parse drive options\n";
1353 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1354 sub verify_hostpci
{
1355 my ($value, $noerr) = @_;
1357 return $value if parse_hostpci
($value);
1359 return undef if $noerr;
1361 die "unable to parse pci id\n";
1364 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1365 sub verify_watchdog
{
1366 my ($value, $noerr) = @_;
1368 return $value if parse_watchdog
($value);
1370 return undef if $noerr;
1372 die "unable to parse watchdog options\n";
1375 sub parse_watchdog
{
1378 return undef if !$value;
1382 foreach my $p (split(/,/, $value)) {
1383 next if $p =~ m/^\s*$/;
1385 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1387 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1388 $res->{action
} = $2;
1397 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1398 sub verify_startup
{
1399 my ($value, $noerr) = @_;
1401 return $value if parse_startup
($value);
1403 return undef if $noerr;
1405 die "unable to parse startup options\n";
1411 return undef if !$value;
1415 foreach my $p (split(/,/, $value)) {
1416 next if $p =~ m/^\s*$/;
1418 if ($p =~ m/^(order=)?(\d+)$/) {
1420 } elsif ($p =~ m/^up=(\d+)$/) {
1422 } elsif ($p =~ m/^down=(\d+)$/) {
1432 sub parse_usb_device
{
1435 return undef if !$value;
1437 my @dl = split(/,/, $value);
1441 foreach my $v (@dl) {
1442 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1444 $res->{vendorid
} = $2;
1445 $res->{productid
} = $4;
1446 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1448 $res->{hostbus
} = $1;
1449 $res->{hostport
} = $2;
1450 } elsif ($v =~ m/^spice$/) {
1457 return undef if !$found;
1462 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1463 sub verify_usb_device
{
1464 my ($value, $noerr) = @_;
1466 return $value if parse_usb_device
($value);
1468 return undef if $noerr;
1470 die "unable to parse usb device\n";
1473 # add JSON properties for create and set function
1474 sub json_config_properties
{
1477 foreach my $opt (keys %$confdesc) {
1478 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1479 $prop->{$opt} = $confdesc->{$opt};
1486 my ($key, $value) = @_;
1488 die "unknown setting '$key'\n" if !$confdesc->{$key};
1490 my $type = $confdesc->{$key}->{type
};
1492 if (!defined($value)) {
1493 die "got undefined value\n";
1496 if ($value =~ m/[\n\r]/) {
1497 die "property contains a line feed\n";
1500 if ($type eq 'boolean') {
1501 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1502 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1503 die "type check ('boolean') failed - got '$value'\n";
1504 } elsif ($type eq 'integer') {
1505 return int($1) if $value =~ m/^(\d+)$/;
1506 die "type check ('integer') failed - got '$value'\n";
1507 } elsif ($type eq 'number') {
1508 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1509 die "type check ('number') failed - got '$value'\n";
1510 } elsif ($type eq 'string') {
1511 if (my $fmt = $confdesc->{$key}->{format
}) {
1512 if ($fmt eq 'pve-qm-drive') {
1513 # special case - we need to pass $key to parse_drive()
1514 my $drive = parse_drive
($key, $value);
1515 return $value if $drive;
1516 die "unable to parse drive options\n";
1518 PVE
::JSONSchema
::check_format
($fmt, $value);
1521 $value =~ s/^\"(.*)\"$/$1/;
1524 die "internal error"
1528 sub lock_config_full
{
1529 my ($vmid, $timeout, $code, @param) = @_;
1531 my $filename = config_file_lock
($vmid);
1533 my $res = lock_file
($filename, $timeout, $code, @param);
1540 sub lock_config_mode
{
1541 my ($vmid, $timeout, $shared, $code, @param) = @_;
1543 my $filename = config_file_lock
($vmid);
1545 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1553 my ($vmid, $code, @param) = @_;
1555 return lock_config_full
($vmid, 10, $code, @param);
1558 sub cfs_config_path
{
1559 my ($vmid, $node) = @_;
1561 $node = $nodename if !$node;
1562 return "nodes/$node/qemu-server/$vmid.conf";
1565 sub check_iommu_support
{
1566 #fixme : need to check IOMMU support
1567 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1575 my ($vmid, $node) = @_;
1577 my $cfspath = cfs_config_path
($vmid, $node);
1578 return "/etc/pve/$cfspath";
1581 sub config_file_lock
{
1584 return "$lock_dir/lock-$vmid.conf";
1590 my $conf = config_file
($vmid);
1591 utime undef, undef, $conf;
1595 my ($storecfg, $vmid, $keep_empty_config) = @_;
1597 my $conffile = config_file
($vmid);
1599 my $conf = load_config
($vmid);
1603 # only remove disks owned by this VM
1604 foreach_drive
($conf, sub {
1605 my ($ds, $drive) = @_;
1607 return if drive_is_cdrom
($drive);
1609 my $volid = $drive->{file
};
1611 return if !$volid || $volid =~ m
|^/|;
1613 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1614 return if !$path || !$owner || ($owner != $vmid);
1616 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1619 if ($keep_empty_config) {
1620 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1625 # also remove unused disk
1627 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1630 PVE
::Storage
::foreach_volid
($dl, sub {
1631 my ($volid, $sid, $volname, $d) = @_;
1632 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1642 my ($vmid, $node) = @_;
1644 my $cfspath = cfs_config_path
($vmid, $node);
1646 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1648 die "no such VM ('$vmid')\n" if !defined($conf);
1653 sub parse_vm_config
{
1654 my ($filename, $raw) = @_;
1656 return undef if !defined($raw);
1659 digest
=> Digest
::SHA
::sha1_hex
($raw),
1663 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1664 || die "got strange filename '$filename'";
1671 my @lines = split(/\n/, $raw);
1672 foreach my $line (@lines) {
1673 next if $line =~ m/^\s*$/;
1675 if ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1677 $conf->{description
} = $descr if $descr;
1679 $conf = $res->{snapshots
}->{$snapname} = {};
1683 if ($line =~ m/^\#(.*)\s*$/) {
1684 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1688 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1689 $descr .= PVE
::Tools
::decode_text
($2);
1690 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1691 $conf->{snapstate
} = $1;
1692 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1695 $conf->{$key} = $value;
1696 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1699 eval { $value = check_type
($key, $value); };
1701 warn "vm $vmid - unable to parse value of '$key' - $@";
1703 my $fmt = $confdesc->{$key}->{format
};
1704 if ($fmt && $fmt eq 'pve-qm-drive') {
1705 my $v = parse_drive
($key, $value);
1706 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1707 $v->{file
} = $volid;
1708 $value = print_drive
($vmid, $v);
1710 warn "vm $vmid - unable to parse value of '$key'\n";
1715 if ($key eq 'cdrom') {
1716 $conf->{ide2
} = $value;
1718 $conf->{$key} = $value;
1724 $conf->{description
} = $descr if $descr;
1726 delete $res->{snapstate
}; # just to be sure
1731 sub write_vm_config
{
1732 my ($filename, $conf) = @_;
1734 delete $conf->{snapstate
}; # just to be sure
1736 if ($conf->{cdrom
}) {
1737 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
1738 $conf->{ide2
} = $conf->{cdrom
};
1739 delete $conf->{cdrom
};
1742 # we do not use 'smp' any longer
1743 if ($conf->{sockets
}) {
1744 delete $conf->{smp
};
1745 } elsif ($conf->{smp
}) {
1746 $conf->{sockets
} = $conf->{smp
};
1747 delete $conf->{cores
};
1748 delete $conf->{smp
};
1751 if ($conf->{maxcpus
} && $conf->{sockets
}) {
1752 delete $conf->{sockets
};
1755 my $used_volids = {};
1757 my $cleanup_config = sub {
1758 my ($cref, $snapname) = @_;
1760 foreach my $key (keys %$cref) {
1761 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
1762 $key eq 'snapstate';
1763 my $value = $cref->{$key};
1764 eval { $value = check_type
($key, $value); };
1765 die "unable to parse value of '$key' - $@" if $@;
1767 $cref->{$key} = $value;
1769 if (!$snapname && valid_drivename
($key)) {
1770 my $drive = parse_drive
($key, $value);
1771 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
1776 &$cleanup_config($conf);
1777 foreach my $snapname (keys %{$conf->{snapshots
}}) {
1778 &$cleanup_config($conf->{snapshots
}->{$snapname}, $snapname);
1781 # remove 'unusedX' settings if we re-add a volume
1782 foreach my $key (keys %$conf) {
1783 my $value = $conf->{$key};
1784 if ($key =~ m/^unused/ && $used_volids->{$value}) {
1785 delete $conf->{$key};
1789 my $generate_raw_config = sub {
1794 # add description as comment to top of file
1795 my $descr = $conf->{description
} || '';
1796 foreach my $cl (split(/\n/, $descr)) {
1797 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
1800 foreach my $key (sort keys %$conf) {
1801 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots';
1802 $raw .= "$key: $conf->{$key}\n";
1807 my $raw = &$generate_raw_config($conf);
1808 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
1809 $raw .= "\n[$snapname]\n";
1810 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
1816 sub update_config_nolock
{
1817 my ($vmid, $conf, $skiplock) = @_;
1819 check_lock
($conf) if !$skiplock;
1821 my $cfspath = cfs_config_path
($vmid);
1823 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
1827 my ($vmid, $conf, $skiplock) = @_;
1829 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
1836 # we use static defaults from our JSON schema configuration
1837 foreach my $key (keys %$confdesc) {
1838 if (defined(my $default = $confdesc->{$key}->{default})) {
1839 $res->{$key} = $default;
1843 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1844 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
1850 my $vmlist = PVE
::Cluster
::get_vmlist
();
1852 return $res if !$vmlist || !$vmlist->{ids
};
1853 my $ids = $vmlist->{ids
};
1855 foreach my $vmid (keys %$ids) {
1856 my $d = $ids->{$vmid};
1857 next if !$d->{node
} || $d->{node
} ne $nodename;
1858 next if !$d->{type
} || $d->{type
} ne 'qemu';
1859 $res->{$vmid}->{exists} = 1;
1864 # test if VM uses local resources (to prevent migration)
1865 sub check_local_resources
{
1866 my ($conf, $noerr) = @_;
1870 $loc_res = 1 if $conf->{hostusb
}; # old syntax
1871 $loc_res = 1 if $conf->{hostpci
}; # old syntax
1873 foreach my $k (keys %$conf) {
1874 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
1875 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
1878 die "VM uses local resources\n" if $loc_res && !$noerr;
1883 # check if used storages are available on all nodes (use by migrate)
1884 sub check_storage_availability
{
1885 my ($storecfg, $conf, $node) = @_;
1887 foreach_drive
($conf, sub {
1888 my ($ds, $drive) = @_;
1890 my $volid = $drive->{file
};
1893 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1896 # check if storage is available on both nodes
1897 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
1898 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
1902 # list nodes where all VM images are available (used by has_feature API)
1904 my ($conf, $storecfg) = @_;
1906 my $nodelist = PVE
::Cluster
::get_nodelist
();
1907 my $nodehash = { map { $_ => 1 } @$nodelist };
1908 my $nodename = PVE
::INotify
::nodename
();
1910 foreach_drive
($conf, sub {
1911 my ($ds, $drive) = @_;
1913 my $volid = $drive->{file
};
1916 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1918 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
1919 if ($scfg->{disable
}) {
1921 } elsif (my $avail = $scfg->{nodes
}) {
1922 foreach my $node (keys %$nodehash) {
1923 delete $nodehash->{$node} if !$avail->{$node};
1925 } elsif (!$scfg->{shared
}) {
1926 foreach my $node (keys %$nodehash) {
1927 delete $nodehash->{$node} if $node ne $nodename
1939 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
1943 my ($pidfile, $pid) = @_;
1945 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
1949 return undef if !$line;
1950 my @param = split(/\0/, $line);
1952 my $cmd = $param[0];
1953 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
1955 for (my $i = 0; $i < scalar (@param); $i++) {
1958 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
1959 my $p = $param[$i+1];
1960 return 1 if $p && ($p eq $pidfile);
1969 my ($vmid, $nocheck, $node) = @_;
1971 my $filename = config_file
($vmid, $node);
1973 die "unable to find configuration file for VM $vmid - no such machine\n"
1974 if !$nocheck && ! -f
$filename;
1976 my $pidfile = pidfile_name
($vmid);
1978 if (my $fd = IO
::File-
>new("<$pidfile")) {
1983 my $mtime = $st->mtime;
1984 if ($mtime > time()) {
1985 warn "file '$filename' modified in future\n";
1988 if ($line =~ m/^(\d+)$/) {
1990 if (check_cmdline
($pidfile, $pid)) {
1991 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
2003 my $vzlist = config_list
();
2005 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
2007 while (defined(my $de = $fd->read)) {
2008 next if $de !~ m/^(\d+)\.pid$/;
2010 next if !defined($vzlist->{$vmid});
2011 if (my $pid = check_running
($vmid)) {
2012 $vzlist->{$vmid}->{pid
} = $pid;
2020 my ($storecfg, $conf) = @_;
2022 my $bootdisk = $conf->{bootdisk
};
2023 return undef if !$bootdisk;
2024 return undef if !valid_drivename
($bootdisk);
2026 return undef if !$conf->{$bootdisk};
2028 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2029 return undef if !defined($drive);
2031 return undef if drive_is_cdrom
($drive);
2033 my $volid = $drive->{file
};
2034 return undef if !$volid;
2036 return $drive->{size
};
2039 my $last_proc_pid_stat;
2041 # get VM status information
2042 # This must be fast and should not block ($full == false)
2043 # We only query KVM using QMP if $full == true (this can be slow)
2045 my ($opt_vmid, $full) = @_;
2049 my $storecfg = PVE
::Storage
::config
();
2051 my $list = vzlist
();
2052 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2054 my $cpucount = $cpuinfo->{cpus
} || 1;
2056 foreach my $vmid (keys %$list) {
2057 next if $opt_vmid && ($vmid ne $opt_vmid);
2059 my $cfspath = cfs_config_path
($vmid);
2060 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2063 $d->{pid
} = $list->{$vmid}->{pid
};
2065 # fixme: better status?
2066 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2068 my $size = disksize
($storecfg, $conf);
2069 if (defined($size)) {
2070 $d->{disk
} = 0; # no info available
2071 $d->{maxdisk
} = $size;
2077 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2078 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2080 $d->{name
} = $conf->{name
} || "VM $vmid";
2081 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2083 if ($conf->{balloon
}) {
2084 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2085 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2096 $d->{diskwrite
} = 0;
2098 $d->{template
} = is_template
($conf);
2103 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2104 foreach my $dev (keys %$netdev) {
2105 next if $dev !~ m/^tap([1-9]\d*)i/;
2107 my $d = $res->{$vmid};
2110 $d->{netout
} += $netdev->{$dev}->{receive
};
2111 $d->{netin
} += $netdev->{$dev}->{transmit
};
2114 my $ctime = gettimeofday
;
2116 foreach my $vmid (keys %$list) {
2118 my $d = $res->{$vmid};
2119 my $pid = $d->{pid
};
2122 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2123 next if !$pstat; # not running
2125 my $used = $pstat->{utime} + $pstat->{stime
};
2127 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2129 if ($pstat->{vsize
}) {
2130 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2133 my $old = $last_proc_pid_stat->{$pid};
2135 $last_proc_pid_stat->{$pid} = {
2143 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2145 if ($dtime > 1000) {
2146 my $dutime = $used - $old->{used
};
2148 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2149 $last_proc_pid_stat->{$pid} = {
2155 $d->{cpu
} = $old->{cpu
};
2159 return $res if !$full;
2161 my $qmpclient = PVE
::QMPClient-
>new();
2163 my $ballooncb = sub {
2164 my ($vmid, $resp) = @_;
2166 my $info = $resp->{'return'};
2167 return if !$info->{max_mem
};
2169 my $d = $res->{$vmid};
2171 # use memory assigned to VM
2172 $d->{maxmem
} = $info->{max_mem
};
2173 $d->{balloon
} = $info->{actual
};
2175 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2176 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2177 $d->{freemem
} = $info->{free_mem
};
2182 my $blockstatscb = sub {
2183 my ($vmid, $resp) = @_;
2184 my $data = $resp->{'return'} || [];
2185 my $totalrdbytes = 0;
2186 my $totalwrbytes = 0;
2187 for my $blockstat (@$data) {
2188 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2189 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2191 $res->{$vmid}->{diskread
} = $totalrdbytes;
2192 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2195 my $statuscb = sub {
2196 my ($vmid, $resp) = @_;
2198 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2199 # this fails if ballon driver is not loaded, so this must be
2200 # the last commnand (following command are aborted if this fails).
2201 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2203 my $status = 'unknown';
2204 if (!defined($status = $resp->{'return'}->{status
})) {
2205 warn "unable to get VM status\n";
2209 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2212 foreach my $vmid (keys %$list) {
2213 next if $opt_vmid && ($vmid ne $opt_vmid);
2214 next if !$res->{$vmid}->{pid
}; # not running
2215 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2218 $qmpclient->queue_execute();
2220 foreach my $vmid (keys %$list) {
2221 next if $opt_vmid && ($vmid ne $opt_vmid);
2222 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2229 my ($conf, $func) = @_;
2231 foreach my $ds (keys %$conf) {
2232 next if !valid_drivename
($ds);
2234 my $drive = parse_drive
($ds, $conf->{$ds});
2237 &$func($ds, $drive);
2242 my ($conf, $func) = @_;
2246 my $test_volid = sub {
2247 my ($volid, $is_cdrom) = @_;
2251 $volhash->{$volid} = $is_cdrom || 0;
2254 foreach_drive
($conf, sub {
2255 my ($ds, $drive) = @_;
2256 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2259 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2260 my $snap = $conf->{snapshots
}->{$snapname};
2261 &$test_volid($snap->{vmstate
}, 0);
2262 foreach_drive
($snap, sub {
2263 my ($ds, $drive) = @_;
2264 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2268 foreach my $volid (keys %$volhash) {
2269 &$func($volid, $volhash->{$volid});
2273 sub vga_conf_has_spice
{
2276 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2281 sub config_to_command
{
2282 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2285 my $globalFlags = [];
2286 my $machineFlags = [];
2292 my $kvmver = kvm_user_version
();
2293 my $vernum = 0; # unknown
2294 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2295 $vernum = $1*1000000+$2*1000;
2296 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2297 $vernum = $1*1000000+$2*1000+$3;
2300 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2302 my $have_ovz = -f
'/proc/vz/vestat';
2304 push @$cmd, '/usr/bin/kvm';
2306 push @$cmd, '-id', $vmid;
2310 my $qmpsocket = qmp_socket
($vmid);
2311 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2312 push @$cmd, '-mon', "chardev=qmp,mode=control";
2314 my $socket = vnc_socket
($vmid);
2315 push @$cmd, '-vnc', "unix:$socket,x509,password";
2317 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2319 push @$cmd, '-daemonize';
2321 $pciaddr = print_pci_addr
("piix3", $bridges);
2322 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2325 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2326 next if !$conf->{"usb$i"};
2329 # include usb device config
2330 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2332 my $vga = $conf->{vga
};
2334 my $qxlnum = vga_conf_has_spice
($vga);
2335 $vga = 'qxl' if $qxlnum;
2338 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2339 $conf->{ostype
} eq 'win7' ||
2340 $conf->{ostype
} eq 'w2k8')) {
2347 # enable absolute mouse coordinates (needed by vnc)
2349 if (defined($conf->{tablet
})) {
2350 $tablet = $conf->{tablet
};
2352 $tablet = $defaults->{tablet
};
2353 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2354 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2357 push @$devices, '-device', 'usb-tablet,id=tablet,bus=uhci.0,port=1' if $tablet;
2360 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2361 my $d = parse_hostpci
($conf->{"hostpci$i"});
2363 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2364 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2365 push @$devices, '-device', "pci-assign,host=$d->{pciid},id=hostpci$i$pciaddr$rombar";
2369 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2370 my $d = parse_usb_device
($conf->{"usb$i"});
2372 if ($d->{vendorid
} && $d->{productid
}) {
2373 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2374 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2375 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2376 } elsif ($d->{spice
}) {
2377 # usb redir support for spice
2378 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2379 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2384 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2385 if (my $path = $conf->{"serial$i"}) {
2386 if ($path eq 'socket') {
2387 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2388 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2389 push @$devices, '-device', "isa-serial,chardev=serial$i";
2391 die "no such serial device\n" if ! -c
$path;
2392 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2393 push @$devices, '-device', "isa-serial,chardev=serial$i";
2399 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2400 if (my $path = $conf->{"parallel$i"}) {
2401 die "no such parallel device\n" if ! -c
$path;
2402 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2403 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2404 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2408 my $vmname = $conf->{name
} || "vm$vmid";
2410 push @$cmd, '-name', $vmname;
2413 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2414 $sockets = $conf->{sockets
} if $conf->{sockets
};
2416 my $cores = $conf->{cores
} || 1;
2417 my $maxcpus = $conf->{maxcpus
} if $conf->{maxcpus
};
2420 push @$cmd, '-smp', "cpus=$cores,maxcpus=$maxcpus";
2422 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2425 push @$cmd, '-nodefaults';
2427 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2429 my $bootindex_hash = {};
2431 foreach my $o (split(//, $bootorder)) {
2432 $bootindex_hash->{$o} = $i*100;
2436 push @$cmd, '-boot', "menu=on";
2438 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2440 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2442 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2445 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2447 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2448 my $useLocaltime = $conf->{localtime};
2450 if (my $ost = $conf->{ostype
}) {
2451 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2453 if ($ost =~ m/^w/) { # windows
2454 $useLocaltime = 1 if !defined($conf->{localtime});
2456 # use time drift fix when acpi is enabled
2457 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2458 $tdf = 1 if !defined($conf->{tdf
});
2462 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2464 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2465 push @$cmd, '-no-hpet';
2466 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2467 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2470 if ($ost eq 'win7' || $ost eq 'win8') {
2471 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2475 push @$rtcFlags, 'driftfix=slew' if $tdf;
2478 push @$machineFlags, 'accel=tcg';
2480 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2483 my $machine_type = $forcemachine || $conf->{machine
};
2484 if ($machine_type) {
2485 push @$machineFlags, "type=${machine_type}";
2488 if ($conf->{startdate
}) {
2489 push @$rtcFlags, "base=$conf->{startdate}";
2490 } elsif ($useLocaltime) {
2491 push @$rtcFlags, 'base=localtime';
2494 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2495 $cpu = $conf->{cpu
} if $conf->{cpu
};
2497 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2499 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2501 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2503 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2505 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2507 # Note: enforce needs kernel 3.10, so we do not use it for now
2508 # push @$cmd, '-cpu', "$cpu,enforce";
2509 push @$cmd, '-cpu', $cpu;
2511 push @$cmd, '-S' if $conf->{freeze
};
2513 # set keyboard layout
2514 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2515 push @$cmd, '-k', $kb if $kb;
2518 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2519 #push @$cmd, '-soundhw', 'es1370';
2520 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2522 if($conf->{agent
}) {
2523 my $qgasocket = qga_socket
($vmid);
2524 my $pciaddr = print_pci_addr
("qga0", $bridges);
2525 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2526 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2527 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2534 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2535 for(my $i = 1; $i < $qxlnum; $i++){
2536 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2537 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2540 # assume other OS works like Linux
2541 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2542 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2546 my $pciaddr = print_pci_addr
("spice", $bridges);
2548 $spice_port = PVE
::Tools
::next_spice_port
();
2550 push @$cmd, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2552 push @$cmd, '-device', "virtio-serial,id=spice$pciaddr";
2553 push @$cmd, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2554 push @$cmd, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2557 # enable balloon by default, unless explicitly disabled
2558 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2559 $pciaddr = print_pci_addr
("balloon0", $bridges);
2560 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2563 if ($conf->{watchdog
}) {
2564 my $wdopts = parse_watchdog
($conf->{watchdog
});
2565 $pciaddr = print_pci_addr
("watchdog", $bridges);
2566 my $watchdog = $wdopts->{model
} || 'i6300esb';
2567 push @$devices, '-device', "$watchdog$pciaddr";
2568 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2572 my $scsicontroller = {};
2573 my $ahcicontroller = {};
2574 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2576 foreach_drive
($conf, sub {
2577 my ($ds, $drive) = @_;
2579 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
2580 push @$vollist, $drive->{file
};
2583 $use_virtio = 1 if $ds =~ m/^virtio/;
2585 if (drive_is_cdrom
($drive)) {
2586 if ($bootindex_hash->{d
}) {
2587 $drive->{bootindex
} = $bootindex_hash->{d
};
2588 $bootindex_hash->{d
} += 1;
2591 if ($bootindex_hash->{c
}) {
2592 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
2593 $bootindex_hash->{c
} += 1;
2597 if ($drive->{interface
} eq 'scsi') {
2599 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
2600 my $controller = int($drive->{index} / $maxdev);
2601 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
2602 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
2603 $scsicontroller->{$controller}=1;
2606 if ($drive->{interface
} eq 'sata') {
2607 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
2608 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
2609 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
2610 $ahcicontroller->{$controller}=1;
2613 push @$devices, '-drive',print_drive_full
($storecfg, $vmid, $drive);
2614 push @$devices, '-device',print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
2617 push @$cmd, '-m', $conf->{memory
} || $defaults->{memory
};
2619 for (my $i = 0; $i < $MAX_NETS; $i++) {
2620 next if !$conf->{"net$i"};
2621 my $d = parse_net
($conf->{"net$i"});
2624 $use_virtio = 1 if $d->{model
} eq 'virtio';
2626 if ($bootindex_hash->{n
}) {
2627 $d->{bootindex
} = $bootindex_hash->{n
};
2628 $bootindex_hash->{n
} += 1;
2631 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
2632 push @$devices, '-netdev', $netdevfull;
2634 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
2635 push @$devices, '-device', $netdevicefull;
2639 while (my ($k, $v) = each %$bridges) {
2640 $pciaddr = print_pci_addr
("pci.$k");
2641 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
2645 # hack: virtio with fairsched is unreliable, so we do not use fairsched
2646 # when the VM uses virtio devices.
2647 if (!$use_virtio && $have_ovz) {
2649 my $cpuunits = defined($conf->{cpuunits
}) ?
2650 $conf->{cpuunits
} : $defaults->{cpuunits
};
2652 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
2654 # fixme: cpulimit is currently ignored
2655 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
2659 if ($conf->{args
}) {
2660 my $aa = PVE
::Tools
::split_args
($conf->{args
});
2664 push @$cmd, @$devices;
2665 push @$cmd, '-rtc', join(',', @$rtcFlags)
2666 if scalar(@$rtcFlags);
2667 push @$cmd, '-machine', join(',', @$machineFlags)
2668 if scalar(@$machineFlags);
2669 push @$cmd, '-global', join(',', @$globalFlags)
2670 if scalar(@$globalFlags);
2672 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
2677 return "${var_run_tmpdir}/$vmid.vnc";
2683 my $res = vm_mon_cmd
($vmid, 'query-spice');
2685 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
2690 return "${var_run_tmpdir}/$vmid.qmp";
2695 return "${var_run_tmpdir}/$vmid.qga";
2700 return "${var_run_tmpdir}/$vmid.pid";
2703 sub vm_devices_list
{
2706 my $res = vm_mon_cmd
($vmid, 'query-pci');
2709 foreach my $pcibus (@$res) {
2710 foreach my $device (@{$pcibus->{devices
}}) {
2711 next if !$device->{'qdev_id'};
2712 $devices->{$device->{'qdev_id'}} = $device;
2720 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
2722 return 1 if !check_running
($vmid);
2724 if ($deviceid eq 'tablet') {
2725 my $devicefull = "usb-tablet,id=tablet,bus=uhci.0,port=1";
2726 qemu_deviceadd
($vmid, $devicefull);
2730 return 1 if !$conf->{hotplug
};
2732 my $devices_list = vm_devices_list
($vmid);
2733 return 1 if defined($devices_list->{$deviceid});
2735 qemu_bridgeadd
($storecfg, $conf, $vmid, $deviceid); #add bridge if we need it for the device
2737 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2738 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2739 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2740 qemu_deviceadd
($vmid, $devicefull);
2741 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2742 qemu_drivedel
($vmid, $deviceid);
2747 if ($deviceid =~ m/^(scsihw)(\d+)$/) {
2748 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
2749 my $pciaddr = print_pci_addr
($deviceid);
2750 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
2751 qemu_deviceadd
($vmid, $devicefull);
2752 return undef if(!qemu_deviceaddverify
($vmid, $deviceid));
2755 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2756 return 1 if ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)); #virtio-scsi not yet support hotplug
2757 return undef if !qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
2758 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2759 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2760 if(!qemu_deviceadd
($vmid, $devicefull)) {
2761 qemu_drivedel
($vmid, $deviceid);
2766 if ($deviceid =~ m/^(net)(\d+)$/) {
2767 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
2768 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
2769 qemu_deviceadd
($vmid, $netdevicefull);
2770 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2771 qemu_netdevdel
($vmid, $deviceid);
2776 if ($deviceid =~ m/^(pci\.)(\d+)$/) {
2778 my $pciaddr = print_pci_addr
($deviceid);
2779 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
2780 qemu_deviceadd
($vmid, $devicefull);
2781 return undef if !qemu_deviceaddverify
($vmid, $deviceid);
2787 sub vm_deviceunplug
{
2788 my ($vmid, $conf, $deviceid) = @_;
2790 return 1 if !check_running
($vmid);
2792 if ($deviceid eq 'tablet') {
2793 qemu_devicedel
($vmid, $deviceid);
2797 return 1 if !$conf->{hotplug
};
2799 my $devices_list = vm_devices_list
($vmid);
2800 return 1 if !defined($devices_list->{$deviceid});
2802 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
2804 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2805 qemu_devicedel
($vmid, $deviceid);
2806 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2807 return undef if !qemu_drivedel
($vmid, $deviceid);
2810 if ($deviceid =~ m/^(lsi)(\d+)$/) {
2811 return undef if !qemu_devicedel
($vmid, $deviceid);
2814 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2815 return undef if !qemu_devicedel
($vmid, $deviceid);
2816 return undef if !qemu_drivedel
($vmid, $deviceid);
2819 if ($deviceid =~ m/^(net)(\d+)$/) {
2820 qemu_devicedel
($vmid, $deviceid);
2821 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2822 return undef if !qemu_netdevdel
($vmid, $deviceid);
2828 sub qemu_deviceadd
{
2829 my ($vmid, $devicefull) = @_;
2831 $devicefull = "driver=".$devicefull;
2832 my %options = split(/[=,]/, $devicefull);
2834 vm_mon_cmd
($vmid, "device_add" , %options);
2838 sub qemu_devicedel
{
2839 my($vmid, $deviceid) = @_;
2840 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
2845 my($storecfg, $vmid, $device) = @_;
2847 my $drive = print_drive_full
($storecfg, $vmid, $device);
2848 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
2849 # If the command succeeds qemu prints: "OK"
2850 if ($ret !~ m/OK/s) {
2851 syslog
("err", "adding drive failed: $ret");
2858 my($vmid, $deviceid) = @_;
2860 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
2862 if ($ret =~ m/Device \'.*?\' not found/s) {
2863 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
2865 elsif ($ret ne "") {
2866 syslog
("err", "deleting drive $deviceid failed : $ret");
2872 sub qemu_deviceaddverify
{
2873 my ($vmid,$deviceid) = @_;
2875 for (my $i = 0; $i <= 5; $i++) {
2876 my $devices_list = vm_devices_list
($vmid);
2877 return 1 if defined($devices_list->{$deviceid});
2880 syslog
("err", "error on hotplug device $deviceid");
2885 sub qemu_devicedelverify
{
2886 my ($vmid,$deviceid) = @_;
2888 #need to verify the device is correctly remove as device_del is async and empty return is not reliable
2889 for (my $i = 0; $i <= 5; $i++) {
2890 my $devices_list = vm_devices_list
($vmid);
2891 return 1 if !defined($devices_list->{$deviceid});
2894 syslog
("err", "error on hot-unplugging device $deviceid");
2898 sub qemu_findorcreatescsihw
{
2899 my ($storecfg, $conf, $vmid, $device) = @_;
2901 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
2902 my $controller = int($device->{index} / $maxdev);
2903 my $scsihwid="scsihw$controller";
2904 my $devices_list = vm_devices_list
($vmid);
2906 if(!defined($devices_list->{$scsihwid})) {
2907 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
2912 sub qemu_bridgeadd
{
2913 my ($storecfg, $conf, $vmid, $device) = @_;
2916 my $bridgeid = undef;
2917 print_pci_addr
($device, $bridges);
2919 while (my ($k, $v) = each %$bridges) {
2922 return if !$bridgeid || $bridgeid < 1;
2923 my $bridge = "pci.$bridgeid";
2924 my $devices_list = vm_devices_list
($vmid);
2926 if(!defined($devices_list->{$bridge})) {
2927 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
2932 sub qemu_netdevadd
{
2933 my ($vmid, $conf, $device, $deviceid) = @_;
2935 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
2936 my %options = split(/[=,]/, $netdev);
2938 vm_mon_cmd
($vmid, "netdev_add", %options);
2942 sub qemu_netdevdel
{
2943 my ($vmid, $deviceid) = @_;
2945 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
2949 sub qemu_cpu_hotplug
{
2950 my ($vmid, $conf, $cores) = @_;
2952 die "new cores config is not defined" if !$cores;
2953 die "you can't add more cores than maxcpus"
2954 if $conf->{maxcpus
} && ($cores > $conf->{maxcpus
});
2955 return if !check_running
($vmid);
2957 my $currentcores = $conf->{cores
} if $conf->{cores
};
2958 die "current cores is not defined" if !$currentcores;
2959 die "maxcpus is not defined" if !$conf->{maxcpus
};
2960 raise_param_exc
({ 'cores' => "online cpu unplug is not yet possible" })
2961 if($cores < $currentcores);
2963 my $currentrunningcores = vm_mon_cmd
($vmid, "query-cpus");
2964 raise_param_exc
({ 'cores' => "cores number if running vm is different than configuration" })
2965 if scalar (@{$currentrunningcores}) != $currentcores;
2967 for(my $i = $currentcores; $i < $cores; $i++) {
2968 vm_mon_cmd
($vmid, "cpu-add", id
=> int($i));
2972 sub qemu_block_set_io_throttle
{
2973 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
2975 return if !check_running
($vmid) ;
2977 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($iops_wr));
2981 # old code, only used to shutdown old VM after update
2983 my ($fh, $timeout) = @_;
2985 my $sel = new IO
::Select
;
2992 while (scalar (@ready = $sel->can_read($timeout))) {
2994 if ($count = $fh->sysread($buf, 8192)) {
2995 if ($buf =~ /^(.*)\(qemu\) $/s) {
3002 if (!defined($count)) {
3009 die "monitor read timeout\n" if !scalar(@ready);
3014 # old code, only used to shutdown old VM after update
3015 sub vm_monitor_command
{
3016 my ($vmid, $cmdstr, $nocheck) = @_;
3021 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3023 my $sname = "${var_run_tmpdir}/$vmid.mon";
3025 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
3026 die "unable to connect to VM $vmid socket - $!\n";
3030 # hack: migrate sometime blocks the monitor (when migrate_downtime
3032 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3033 $timeout = 60*60; # 1 hour
3037 my $data = __read_avail
($sock, $timeout);
3039 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
3040 die "got unexpected qemu monitor banner\n";
3043 my $sel = new IO
::Select
;
3046 if (!scalar(my @ready = $sel->can_write($timeout))) {
3047 die "monitor write error - timeout";
3050 my $fullcmd = "$cmdstr\r";
3052 # syslog('info', "VM $vmid monitor command: $cmdstr");
3055 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3056 die "monitor write error - $!";
3059 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3063 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3064 $timeout = 60*60; # 1 hour
3065 } elsif ($cmdstr =~ m/^(eject|change)/) {
3066 $timeout = 60; # note: cdrom mount command is slow
3068 if ($res = __read_avail
($sock, $timeout)) {
3070 my @lines = split("\r?\n", $res);
3072 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3074 $res = join("\n", @lines);
3082 syslog
("err", "VM $vmid monitor command failed - $err");
3089 sub qemu_block_resize
{
3090 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3092 my $running = check_running
($vmid);
3094 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3096 return if !$running;
3098 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3102 sub qemu_volume_snapshot
{
3103 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3105 my $running = check_running
($vmid);
3107 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3109 return if !$running;
3111 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3115 sub qemu_volume_snapshot_delete
{
3116 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3118 my $running = check_running
($vmid);
3120 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3122 return if !$running;
3124 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3130 #need to impplement call to qemu-ga
3133 sub qga_unfreezefs
{
3136 #need to impplement call to qemu-ga
3139 sub set_migration_caps
{
3145 "auto-converge" => 1,
3147 "x-rdma-pin-all" => 0,
3151 my $supported_capabilities = vm_mon_cmd_nocheck
($vmid, "query-migrate-capabilities");
3153 for my $supported_capability (@$supported_capabilities) {
3155 capability
=> $supported_capability->{capability
},
3156 state => $enabled_cap->{$supported_capability->{capability
}} ? JSON
::true
: JSON
::false
,
3160 vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> $cap_ref);
3164 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3166 lock_config
($vmid, sub {
3167 my $conf = load_config
($vmid, $migratedfrom);
3169 die "you can't start a vm if it's a template\n" if is_template
($conf);
3171 check_lock
($conf) if !$skiplock;
3173 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3175 my $defaults = load_defaults
();
3177 # set environment variable useful inside network script
3178 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3180 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3182 my $migrate_port = 0;
3185 if ($statefile eq 'tcp') {
3186 my $localip = "localhost";
3187 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3188 if ($datacenterconf->{migration_unsecure
}) {
3189 my $nodename = PVE
::INotify
::nodename
();
3190 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3192 $migrate_port = PVE
::Tools
::next_migrate_port
();
3193 $migrate_uri = "tcp:${localip}:${migrate_port}";
3194 push @$cmd, '-incoming', $migrate_uri;
3197 push @$cmd, '-loadstate', $statefile;
3204 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
3205 my $d = parse_hostpci
($conf->{"hostpci$i"});
3207 my $info = pci_device_info
("0000:$d->{pciid}");
3208 die "IOMMU not present\n" if !check_iommu_support
();
3209 die "no pci device info for device '$d->{pciid}'\n" if !$info;
3210 die "can't unbind pci device '$d->{pciid}'\n" if !pci_dev_bind_to_stub
($info);
3211 die "can't reset pci device '$d->{pciid}'\n" if !pci_dev_reset
($info);
3214 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
3216 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
3219 die "start failed: $err" if $err;
3221 print "migration listens on $migrate_uri\n" if $migrate_uri;
3223 if ($statefile && $statefile ne 'tcp') {
3224 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
3228 if ($migratedfrom) {
3231 PVE
::QemuServer
::set_migration_caps
($vmid);
3236 print "spice listens on port $spice_port\n";
3237 if ($spice_ticket) {
3238 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
3239 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
3245 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
3246 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
3247 if $conf->{balloon
};
3248 vm_mon_cmd_nocheck
($vmid, 'qom-set',
3249 path
=> "machine/peripheral/balloon0",
3250 property
=> "guest-stats-polling-interval",
3258 my ($vmid, $execute, %params) = @_;
3260 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3261 vm_qmp_command
($vmid, $cmd);
3264 sub vm_mon_cmd_nocheck
{
3265 my ($vmid, $execute, %params) = @_;
3267 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3268 vm_qmp_command
($vmid, $cmd, 1);
3271 sub vm_qmp_command
{
3272 my ($vmid, $cmd, $nocheck) = @_;
3277 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
3278 $timeout = $cmd->{arguments
}->{timeout
};
3279 delete $cmd->{arguments
}->{timeout
};
3283 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3284 my $sname = qmp_socket
($vmid);
3286 my $qmpclient = PVE
::QMPClient-
>new();
3288 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
3289 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
3290 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
3291 if scalar(%{$cmd->{arguments
}});
3292 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
3294 die "unable to open monitor socket\n";
3298 syslog
("err", "VM $vmid qmp command failed - $err");
3305 sub vm_human_monitor_command
{
3306 my ($vmid, $cmdline) = @_;
3311 execute
=> 'human-monitor-command',
3312 arguments
=> { 'command-line' => $cmdline},
3315 return vm_qmp_command
($vmid, $cmd);
3318 sub vm_commandline
{
3319 my ($storecfg, $vmid) = @_;
3321 my $conf = load_config
($vmid);
3323 my $defaults = load_defaults
();
3325 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
3327 return join(' ', @$cmd);
3331 my ($vmid, $skiplock) = @_;
3333 lock_config
($vmid, sub {
3335 my $conf = load_config
($vmid);
3337 check_lock
($conf) if !$skiplock;
3339 vm_mon_cmd
($vmid, "system_reset");
3343 sub get_vm_volumes
{
3347 foreach_volid
($conf, sub {
3348 my ($volid, $is_cdrom) = @_;
3350 return if $volid =~ m
|^/|;
3352 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
3355 push @$vollist, $volid;
3361 sub vm_stop_cleanup
{
3362 my ($storecfg, $vmid, $conf, $keepActive) = @_;
3365 fairsched_rmnod
($vmid); # try to destroy group
3368 my $vollist = get_vm_volumes
($conf);
3369 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
3372 foreach my $ext (qw(mon qmp pid vnc qga)) {
3373 unlink "/var/run/qemu-server/${vmid}.$ext";
3376 warn $@ if $@; # avoid errors - just warn
3379 # Note: use $nockeck to skip tests if VM configuration file exists.
3380 # We need that when migration VMs to other nodes (files already moved)
3381 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
3383 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
3385 $force = 1 if !defined($force) && !$shutdown;
3388 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
3389 kill 15, $pid if $pid;
3390 my $conf = load_config
($vmid, $migratedfrom);
3391 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
3395 lock_config
($vmid, sub {
3397 my $pid = check_running
($vmid, $nocheck);
3402 $conf = load_config
($vmid);
3403 check_lock
($conf) if !$skiplock;
3404 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
3405 my $opts = parse_startup
($conf->{startup
});
3406 $timeout = $opts->{down
} if $opts->{down
};
3410 $timeout = 60 if !defined($timeout);
3414 $nocheck ? vm_mon_cmd_nocheck
($vmid, "system_powerdown") : vm_mon_cmd
($vmid, "system_powerdown");
3417 $nocheck ? vm_mon_cmd_nocheck
($vmid, "quit") : vm_mon_cmd
($vmid, "quit");
3424 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3429 if ($count >= $timeout) {
3431 warn "VM still running - terminating now with SIGTERM\n";
3434 die "VM quit/powerdown failed - got timeout\n";
3437 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3442 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
3445 die "VM quit/powerdown failed\n";
3453 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3458 if ($count >= $timeout) {
3459 warn "VM still running - terminating now with SIGKILL\n";
3464 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3469 my ($vmid, $skiplock) = @_;
3471 lock_config
($vmid, sub {
3473 my $conf = load_config
($vmid);
3475 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3477 vm_mon_cmd
($vmid, "stop");
3482 my ($vmid, $skiplock) = @_;
3484 lock_config
($vmid, sub {
3486 my $conf = load_config
($vmid);
3488 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3490 vm_mon_cmd
($vmid, "cont");
3495 my ($vmid, $skiplock, $key) = @_;
3497 lock_config
($vmid, sub {
3499 my $conf = load_config
($vmid);
3501 # there is no qmp command, so we use the human monitor command
3502 vm_human_monitor_command
($vmid, "sendkey $key");
3507 my ($storecfg, $vmid, $skiplock) = @_;
3509 lock_config
($vmid, sub {
3511 my $conf = load_config
($vmid);
3513 check_lock
($conf) if !$skiplock;
3515 if (!check_running
($vmid)) {
3516 fairsched_rmnod
($vmid); # try to destroy group
3517 destroy_vm
($storecfg, $vmid);
3519 die "VM $vmid is running - destroy failed\n";
3527 my ($filename, $buf) = @_;
3529 my $fh = IO
::File-
>new($filename, "w");
3530 return undef if !$fh;
3532 my $res = print $fh $buf;
3539 sub pci_device_info
{
3544 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
3545 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
3547 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
3548 return undef if !defined($irq) || $irq !~ m/^\d+$/;
3550 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
3551 return undef if !defined($vendor) || $vendor !~ s/^0x//;
3553 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
3554 return undef if !defined($product) || $product !~ s/^0x//;
3559 product
=> $product,
3565 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
3574 my $name = $dev->{name
};
3576 my $fn = "$pcisysfs/devices/$name/reset";
3578 return file_write
($fn, "1");
3581 sub pci_dev_bind_to_stub
{
3584 my $name = $dev->{name
};
3586 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
3587 return 1 if -d
$testdir;
3589 my $data = "$dev->{vendor} $dev->{product}";
3590 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
3592 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3593 if (!file_write
($fn, $name)) {
3594 return undef if -f
$fn;
3597 $fn = "$pcisysfs/drivers/pci-stub/bind";
3598 if (! -d
$testdir) {
3599 return undef if !file_write
($fn, $name);
3605 sub print_pci_addr
{
3606 my ($id, $bridges) = @_;
3610 piix3
=> { bus
=> 0, addr
=> 1 },
3611 #addr2 : first videocard
3612 balloon0
=> { bus
=> 0, addr
=> 3 },
3613 watchdog
=> { bus
=> 0, addr
=> 4 },
3614 scsihw0
=> { bus
=> 0, addr
=> 5 },
3615 scsihw1
=> { bus
=> 0, addr
=> 6 },
3616 ahci0
=> { bus
=> 0, addr
=> 7 },
3617 qga0
=> { bus
=> 0, addr
=> 8 },
3618 spice
=> { bus
=> 0, addr
=> 9 },
3619 virtio0
=> { bus
=> 0, addr
=> 10 },
3620 virtio1
=> { bus
=> 0, addr
=> 11 },
3621 virtio2
=> { bus
=> 0, addr
=> 12 },
3622 virtio3
=> { bus
=> 0, addr
=> 13 },
3623 virtio4
=> { bus
=> 0, addr
=> 14 },
3624 virtio5
=> { bus
=> 0, addr
=> 15 },
3625 hostpci0
=> { bus
=> 0, addr
=> 16 },
3626 hostpci1
=> { bus
=> 0, addr
=> 17 },
3627 net0
=> { bus
=> 0, addr
=> 18 },
3628 net1
=> { bus
=> 0, addr
=> 19 },
3629 net2
=> { bus
=> 0, addr
=> 20 },
3630 net3
=> { bus
=> 0, addr
=> 21 },
3631 net4
=> { bus
=> 0, addr
=> 22 },
3632 net5
=> { bus
=> 0, addr
=> 23 },
3633 vga1
=> { bus
=> 0, addr
=> 24 },
3634 vga2
=> { bus
=> 0, addr
=> 25 },
3635 vga3
=> { bus
=> 0, addr
=> 26 },
3636 #addr29 : usb-host (pve-usb.cfg)
3637 'pci.1' => { bus
=> 0, addr
=> 30 },
3638 'pci.2' => { bus
=> 0, addr
=> 31 },
3639 'net6' => { bus
=> 1, addr
=> 1 },
3640 'net7' => { bus
=> 1, addr
=> 2 },
3641 'net8' => { bus
=> 1, addr
=> 3 },
3642 'net9' => { bus
=> 1, addr
=> 4 },
3643 'net10' => { bus
=> 1, addr
=> 5 },
3644 'net11' => { bus
=> 1, addr
=> 6 },
3645 'net12' => { bus
=> 1, addr
=> 7 },
3646 'net13' => { bus
=> 1, addr
=> 8 },
3647 'net14' => { bus
=> 1, addr
=> 9 },
3648 'net15' => { bus
=> 1, addr
=> 10 },
3649 'net16' => { bus
=> 1, addr
=> 11 },
3650 'net17' => { bus
=> 1, addr
=> 12 },
3651 'net18' => { bus
=> 1, addr
=> 13 },
3652 'net19' => { bus
=> 1, addr
=> 14 },
3653 'net20' => { bus
=> 1, addr
=> 15 },
3654 'net21' => { bus
=> 1, addr
=> 16 },
3655 'net22' => { bus
=> 1, addr
=> 17 },
3656 'net23' => { bus
=> 1, addr
=> 18 },
3657 'net24' => { bus
=> 1, addr
=> 19 },
3658 'net25' => { bus
=> 1, addr
=> 20 },
3659 'net26' => { bus
=> 1, addr
=> 21 },
3660 'net27' => { bus
=> 1, addr
=> 22 },
3661 'net28' => { bus
=> 1, addr
=> 23 },
3662 'net29' => { bus
=> 1, addr
=> 24 },
3663 'net30' => { bus
=> 1, addr
=> 25 },
3664 'net31' => { bus
=> 1, addr
=> 26 },
3665 'virtio6' => { bus
=> 2, addr
=> 1 },
3666 'virtio7' => { bus
=> 2, addr
=> 2 },
3667 'virtio8' => { bus
=> 2, addr
=> 3 },
3668 'virtio9' => { bus
=> 2, addr
=> 4 },
3669 'virtio10' => { bus
=> 2, addr
=> 5 },
3670 'virtio11' => { bus
=> 2, addr
=> 6 },
3671 'virtio12' => { bus
=> 2, addr
=> 7 },
3672 'virtio13' => { bus
=> 2, addr
=> 8 },
3673 'virtio14' => { bus
=> 2, addr
=> 9 },
3674 'virtio15' => { bus
=> 2, addr
=> 10 },
3677 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3678 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3679 my $bus = $devices->{$id}->{bus
};
3680 $res = ",bus=pci.$bus,addr=$addr";
3681 $bridges->{$bus} = 1 if $bridges;
3687 # vzdump restore implementaion
3689 sub tar_archive_read_firstfile
{
3690 my $archive = shift;
3692 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
3694 # try to detect archive type first
3695 my $pid = open (TMP
, "tar tf '$archive'|") ||
3696 die "unable to open file '$archive'\n";
3697 my $firstfile = <TMP
>;
3701 die "ERROR: archive contaions no data\n" if !$firstfile;
3707 sub tar_restore_cleanup
{
3708 my ($storecfg, $statfile) = @_;
3710 print STDERR
"starting cleanup\n";
3712 if (my $fd = IO
::File-
>new($statfile, "r")) {
3713 while (defined(my $line = <$fd>)) {
3714 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
3717 if ($volid =~ m
|^/|) {
3718 unlink $volid || die 'unlink failed\n';
3720 PVE
::Storage
::vdisk_free
($storecfg, $volid);
3722 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
3724 print STDERR
"unable to cleanup '$volid' - $@" if $@;
3726 print STDERR
"unable to parse line in statfile - $line";
3733 sub restore_archive
{
3734 my ($archive, $vmid, $user, $opts) = @_;
3736 my $format = $opts->{format
};
3739 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
3740 $format = 'tar' if !$format;
3742 } elsif ($archive =~ m/\.tar$/) {
3743 $format = 'tar' if !$format;
3744 } elsif ($archive =~ m/.tar.lzo$/) {
3745 $format = 'tar' if !$format;
3747 } elsif ($archive =~ m/\.vma$/) {
3748 $format = 'vma' if !$format;
3749 } elsif ($archive =~ m/\.vma\.gz$/) {
3750 $format = 'vma' if !$format;
3752 } elsif ($archive =~ m/\.vma\.lzo$/) {
3753 $format = 'vma' if !$format;
3756 $format = 'vma' if !$format; # default
3759 # try to detect archive format
3760 if ($format eq 'tar') {
3761 return restore_tar_archive
($archive, $vmid, $user, $opts);
3763 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
3767 sub restore_update_config_line
{
3768 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
3770 return if $line =~ m/^\#qmdump\#/;
3771 return if $line =~ m/^\#vzdump\#/;
3772 return if $line =~ m/^lock:/;
3773 return if $line =~ m/^unused\d+:/;
3774 return if $line =~ m/^parent:/;
3775 return if $line =~ m/^template:/; # restored VM is never a template
3777 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
3778 # try to convert old 1.X settings
3779 my ($id, $ind, $ethcfg) = ($1, $2, $3);
3780 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
3781 my ($model, $macaddr) = split(/\=/, $devconfig);
3782 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
3785 bridge
=> "vmbr$ind",
3786 macaddr
=> $macaddr,
3788 my $netstr = print_net
($net);
3790 print $outfd "net$cookie->{netcount}: $netstr\n";
3791 $cookie->{netcount
}++;
3793 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
3794 my ($id, $netstr) = ($1, $2);
3795 my $net = parse_net
($netstr);
3796 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
3797 $netstr = print_net
($net);
3798 print $outfd "$id: $netstr\n";
3799 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
3802 if ($line =~ m/backup=no/) {
3803 print $outfd "#$line";
3804 } elsif ($virtdev && $map->{$virtdev}) {
3805 my $di = parse_drive
($virtdev, $value);
3806 delete $di->{format
}; # format can change on restore
3807 $di->{file
} = $map->{$virtdev};
3808 $value = print_drive
($vmid, $di);
3809 print $outfd "$virtdev: $value\n";
3819 my ($cfg, $vmid) = @_;
3821 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
3823 my $volid_hash = {};
3824 foreach my $storeid (keys %$info) {
3825 foreach my $item (@{$info->{$storeid}}) {
3826 next if !($item->{volid
} && $item->{size
});
3827 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
3828 $volid_hash->{$item->{volid
}} = $item;
3835 sub get_used_paths
{
3836 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
3840 my $scan_config = sub {
3841 my ($cref, $snapname) = @_;
3843 foreach my $key (keys %$cref) {
3844 my $value = $cref->{$key};
3845 if (valid_drivename
($key)) {
3846 next if $skip_drive && $key eq $skip_drive;
3847 my $drive = parse_drive
($key, $value);
3848 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
3849 if ($drive->{file
} =~ m!^/!) {
3850 $used_path->{$drive->{file
}}++; # = 1;
3852 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
3854 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
3856 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
3857 $used_path->{$path}++; # = 1;
3863 &$scan_config($conf);
3867 if ($scan_snapshots) {
3868 foreach my $snapname (keys %{$conf->{snapshots
}}) {
3869 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
3876 sub update_disksize
{
3877 my ($vmid, $conf, $volid_hash) = @_;
3883 # Note: it is allowed to define multiple storages with same path (alias), so
3884 # we need to check both 'volid' and real 'path' (two different volid can point
3885 # to the same path).
3890 foreach my $opt (keys %$conf) {
3891 if (valid_drivename
($opt)) {
3892 my $drive = parse_drive
($opt, $conf->{$opt});
3893 my $volid = $drive->{file
};
3896 $used->{$volid} = 1;
3897 if ($volid_hash->{$volid} &&
3898 (my $path = $volid_hash->{$volid}->{path
})) {
3899 $usedpath->{$path} = 1;
3902 next if drive_is_cdrom
($drive);
3903 next if !$volid_hash->{$volid};
3905 $drive->{size
} = $volid_hash->{$volid}->{size
};
3906 my $new = print_drive
($vmid, $drive);
3907 if ($new ne $conf->{$opt}) {
3909 $conf->{$opt} = $new;
3914 # remove 'unusedX' entry if volume is used
3915 foreach my $opt (keys %$conf) {
3916 next if $opt !~ m/^unused\d+$/;
3917 my $volid = $conf->{$opt};
3918 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
3919 if ($used->{$volid} || ($path && $usedpath->{$path})) {
3921 delete $conf->{$opt};
3925 foreach my $volid (sort keys %$volid_hash) {
3926 next if $volid =~ m/vm-$vmid-state-/;
3927 next if $used->{$volid};
3928 my $path = $volid_hash->{$volid}->{path
};
3929 next if !$path; # just to be sure
3930 next if $usedpath->{$path};
3932 add_unused_volume
($conf, $volid);
3933 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
3940 my ($vmid, $nolock) = @_;
3942 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
3944 my $volid_hash = scan_volids
($cfg, $vmid);
3946 my $updatefn = sub {
3949 my $conf = load_config
($vmid);
3954 foreach my $volid (keys %$volid_hash) {
3955 my $info = $volid_hash->{$volid};
3956 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
3959 my $changes = update_disksize
($vmid, $conf, $vm_volids);
3961 update_config_nolock
($vmid, $conf, 1) if $changes;
3964 if (defined($vmid)) {
3968 lock_config
($vmid, $updatefn, $vmid);
3971 my $vmlist = config_list
();
3972 foreach my $vmid (keys %$vmlist) {
3976 lock_config
($vmid, $updatefn, $vmid);
3982 sub restore_vma_archive
{
3983 my ($archive, $vmid, $user, $opts, $comp) = @_;
3985 my $input = $archive eq '-' ?
"<&STDIN" : undef;
3986 my $readfrom = $archive;
3991 my $qarchive = PVE
::Tools
::shellquote
($archive);
3992 if ($comp eq 'gzip') {
3993 $uncomp = "zcat $qarchive|";
3994 } elsif ($comp eq 'lzop') {
3995 $uncomp = "lzop -d -c $qarchive|";
3997 die "unknown compression method '$comp'\n";
4002 my $tmpdir = "/var/tmp/vzdumptmp$$";
4005 # disable interrupts (always do cleanups)
4006 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4007 warn "got interrupt - ignored\n";
4010 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
4011 POSIX
::mkfifo
($mapfifo, 0600);
4014 my $openfifo = sub {
4015 open($fifofh, '>', $mapfifo) || die $!;
4018 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
4025 my $rpcenv = PVE
::RPCEnvironment
::get
();
4027 my $conffile = config_file
($vmid);
4028 my $tmpfn = "$conffile.$$.tmp";
4030 # Note: $oldconf is undef if VM does not exists
4031 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
4033 my $print_devmap = sub {
4034 my $virtdev_hash = {};
4036 my $cfgfn = "$tmpdir/qemu-server.conf";
4038 # we can read the config - that is already extracted
4039 my $fh = IO
::File-
>new($cfgfn, "r") ||
4040 "unable to read qemu-server.conf - $!\n";
4042 while (defined(my $line = <$fh>)) {
4043 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
4044 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
4045 die "archive does not contain data for drive '$virtdev'\n"
4046 if !$devinfo->{$devname};
4047 if (defined($opts->{storage
})) {
4048 $storeid = $opts->{storage
} || 'local';
4049 } elsif (!$storeid) {
4052 $format = 'raw' if !$format;
4053 $devinfo->{$devname}->{devname
} = $devname;
4054 $devinfo->{$devname}->{virtdev
} = $virtdev;
4055 $devinfo->{$devname}->{format
} = $format;
4056 $devinfo->{$devname}->{storeid
} = $storeid;
4058 # check permission on storage
4059 my $pool = $opts->{pool
}; # todo: do we need that?
4060 if ($user ne 'root@pam') {
4061 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
4064 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4068 foreach my $devname (keys %$devinfo) {
4069 die "found no device mapping information for device '$devname'\n"
4070 if !$devinfo->{$devname}->{virtdev
};
4073 my $cfg = cfs_read_file
('storage.cfg');
4075 # create empty/temp config
4077 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4078 foreach_drive
($oldconf, sub {
4079 my ($ds, $drive) = @_;
4081 return if drive_is_cdrom
($drive);
4083 my $volid = $drive->{file
};
4085 return if !$volid || $volid =~ m
|^/|;
4087 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4088 return if !$path || !$owner || ($owner != $vmid);
4090 # Note: only delete disk we want to restore
4091 # other volumes will become unused
4092 if ($virtdev_hash->{$ds}) {
4093 PVE
::Storage
::vdisk_free
($cfg, $volid);
4099 foreach my $virtdev (sort keys %$virtdev_hash) {
4100 my $d = $virtdev_hash->{$virtdev};
4101 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4102 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4104 # test if requested format is supported
4105 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
4106 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
4107 $d->{format
} = $defFormat if !$supported;
4109 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
4110 $d->{format
}, undef, $alloc_size);
4111 print STDERR
"new volume ID is '$volid'\n";
4112 $d->{volid
} = $volid;
4113 my $path = PVE
::Storage
::path
($cfg, $volid);
4115 my $write_zeros = 1;
4116 # fixme: what other storages types initialize volumes with zero?
4117 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
4118 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
4122 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
4124 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
4125 $map->{$virtdev} = $volid;
4128 $fh->seek(0, 0) || die "seek failed - $!\n";
4130 my $outfd = new IO
::File
($tmpfn, "w") ||
4131 die "unable to write config for VM $vmid\n";
4133 my $cookie = { netcount
=> 0 };
4134 while (defined(my $line = <$fh>)) {
4135 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4144 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4145 die "interrupted by signal\n";
4147 local $SIG{ALRM
} = sub { die "got timeout\n"; };
4149 $oldtimeout = alarm($timeout);
4156 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
4157 my ($dev_id, $size, $devname) = ($1, $2, $3);
4158 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
4159 } elsif ($line =~ m/^CTIME: /) {
4160 # we correctly received the vma config, so we can disable
4161 # the timeout now for disk allocation (set to 10 minutes, so
4162 # that we always timeout if something goes wrong)
4165 print $fifofh "done\n";
4166 my $tmp = $oldtimeout || 0;
4167 $oldtimeout = undef;
4173 print "restore vma archive: $cmd\n";
4174 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
4178 alarm($oldtimeout) if $oldtimeout;
4186 my $cfg = cfs_read_file
('storage.cfg');
4187 foreach my $devname (keys %$devinfo) {
4188 my $volid = $devinfo->{$devname}->{volid
};
4191 if ($volid =~ m
|^/|) {
4192 unlink $volid || die 'unlink failed\n';
4194 PVE
::Storage
::vdisk_free
($cfg, $volid);
4196 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4198 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4205 rename($tmpfn, $conffile) ||
4206 die "unable to commit configuration file '$conffile'\n";
4208 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4210 eval { rescan
($vmid, 1); };
4214 sub restore_tar_archive
{
4215 my ($archive, $vmid, $user, $opts) = @_;
4217 if ($archive ne '-') {
4218 my $firstfile = tar_archive_read_firstfile
($archive);
4219 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
4220 if $firstfile ne 'qemu-server.conf';
4223 my $storecfg = cfs_read_file
('storage.cfg');
4225 # destroy existing data - keep empty config
4226 my $vmcfgfn = PVE
::QemuServer
::config_file
($vmid);
4227 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
4229 my $tocmd = "/usr/lib/qemu-server/qmextract";
4231 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
4232 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
4233 $tocmd .= ' --prealloc' if $opts->{prealloc
};
4234 $tocmd .= ' --info' if $opts->{info
};
4236 # tar option "xf" does not autodetect compression when read from STDIN,
4237 # so we pipe to zcat
4238 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
4239 PVE
::Tools
::shellquote
("--to-command=$tocmd");
4241 my $tmpdir = "/var/tmp/vzdumptmp$$";
4244 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
4245 local $ENV{VZDUMP_VMID
} = $vmid;
4246 local $ENV{VZDUMP_USER
} = $user;
4248 my $conffile = config_file
($vmid);
4249 my $tmpfn = "$conffile.$$.tmp";
4251 # disable interrupts (always do cleanups)
4252 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4253 print STDERR
"got interrupt - ignored\n";
4258 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4259 die "interrupted by signal\n";
4262 if ($archive eq '-') {
4263 print "extracting archive from STDIN\n";
4264 run_command
($cmd, input
=> "<&STDIN");
4266 print "extracting archive '$archive'\n";
4270 return if $opts->{info
};
4274 my $statfile = "$tmpdir/qmrestore.stat";
4275 if (my $fd = IO
::File-
>new($statfile, "r")) {
4276 while (defined (my $line = <$fd>)) {
4277 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4278 $map->{$1} = $2 if $1;
4280 print STDERR
"unable to parse line in statfile - $line\n";
4286 my $confsrc = "$tmpdir/qemu-server.conf";
4288 my $srcfd = new IO
::File
($confsrc, "r") ||
4289 die "unable to open file '$confsrc'\n";
4291 my $outfd = new IO
::File
($tmpfn, "w") ||
4292 die "unable to write config for VM $vmid\n";
4294 my $cookie = { netcount
=> 0 };
4295 while (defined (my $line = <$srcfd>)) {
4296 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4308 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
4315 rename $tmpfn, $conffile ||
4316 die "unable to commit configuration file '$conffile'\n";
4318 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4320 eval { rescan
($vmid, 1); };
4325 # Internal snapshots
4327 # NOTE: Snapshot create/delete involves several non-atomic
4328 # action, and can take a long time.
4329 # So we try to avoid locking the file and use 'lock' variable
4330 # inside the config file instead.
4332 my $snapshot_copy_config = sub {
4333 my ($source, $dest) = @_;
4335 foreach my $k (keys %$source) {
4336 next if $k eq 'snapshots';
4337 next if $k eq 'snapstate';
4338 next if $k eq 'snaptime';
4339 next if $k eq 'vmstate';
4340 next if $k eq 'lock';
4341 next if $k eq 'digest';
4342 next if $k eq 'description';
4343 next if $k =~ m/^unused\d+$/;
4345 $dest->{$k} = $source->{$k};
4349 my $snapshot_apply_config = sub {
4350 my ($conf, $snap) = @_;
4352 # copy snapshot list
4354 snapshots
=> $conf->{snapshots
},
4357 # keep description and list of unused disks
4358 foreach my $k (keys %$conf) {
4359 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
4360 $newconf->{$k} = $conf->{$k};
4363 &$snapshot_copy_config($snap, $newconf);
4368 sub foreach_writable_storage
{
4369 my ($conf, $func) = @_;
4373 foreach my $ds (keys %$conf) {
4374 next if !valid_drivename
($ds);
4376 my $drive = parse_drive
($ds, $conf->{$ds});
4378 next if drive_is_cdrom
($drive);
4380 my $volid = $drive->{file
};
4382 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4383 $sidhash->{$sid} = $sid if $sid;
4386 foreach my $sid (sort keys %$sidhash) {
4391 my $alloc_vmstate_volid = sub {
4392 my ($storecfg, $vmid, $conf, $snapname) = @_;
4394 # Note: we try to be smart when selecting a $target storage
4398 # search shared storage first
4399 foreach_writable_storage
($conf, sub {
4401 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4402 return if !$scfg->{shared
};
4404 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
4408 # now search local storage
4409 foreach_writable_storage
($conf, sub {
4411 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4412 return if $scfg->{shared
};
4414 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
4418 $target = 'local' if !$target;
4420 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
4421 # we abort live save after $conf->{memory}, so we need at max twice that space
4422 my $size = $conf->{memory
}*2 + $driver_state_size;
4424 my $name = "vm-$vmid-state-$snapname";
4425 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
4426 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
4427 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
4432 my $snapshot_prepare = sub {
4433 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
4437 my $updatefn = sub {
4439 my $conf = load_config
($vmid);
4441 die "you can't take a snapshot if it's a template\n"
4442 if is_template
($conf);
4446 $conf->{lock} = 'snapshot';
4448 die "snapshot name '$snapname' already used\n"
4449 if defined($conf->{snapshots
}->{$snapname});
4451 my $storecfg = PVE
::Storage
::config
();
4452 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
4454 $snap = $conf->{snapshots
}->{$snapname} = {};
4456 if ($save_vmstate && check_running
($vmid)) {
4457 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
4460 &$snapshot_copy_config($conf, $snap);
4462 $snap->{snapstate
} = "prepare";
4463 $snap->{snaptime
} = time();
4464 $snap->{description
} = $comment if $comment;
4466 # always overwrite machine if we save vmstate. This makes sure we
4467 # can restore it later using correct machine type
4468 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
4470 update_config_nolock
($vmid, $conf, 1);
4473 lock_config
($vmid, $updatefn);
4478 my $snapshot_commit = sub {
4479 my ($vmid, $snapname) = @_;
4481 my $updatefn = sub {
4483 my $conf = load_config
($vmid);
4485 die "missing snapshot lock\n"
4486 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
4488 my $snap = $conf->{snapshots
}->{$snapname};
4490 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4492 die "wrong snapshot state\n"
4493 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
4495 delete $snap->{snapstate
};
4496 delete $conf->{lock};
4498 my $newconf = &$snapshot_apply_config($conf, $snap);
4500 $newconf->{parent
} = $snapname;
4502 update_config_nolock
($vmid, $newconf, 1);
4505 lock_config
($vmid, $updatefn);
4508 sub snapshot_rollback
{
4509 my ($vmid, $snapname) = @_;
4515 my $storecfg = PVE
::Storage
::config
();
4517 my $updatefn = sub {
4519 my $conf = load_config
($vmid);
4521 die "you can't rollback if vm is a template\n" if is_template
($conf);
4523 $snap = $conf->{snapshots
}->{$snapname};
4525 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4527 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
4528 if $snap->{snapstate
};
4532 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
4535 die "unable to rollback vm $vmid: vm is running\n"
4536 if check_running
($vmid);
4539 $conf->{lock} = 'rollback';
4541 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
4542 delete $conf->{lock};
4548 my $has_machine_config = defined($conf->{machine
});
4550 # copy snapshot config to current config
4551 $conf = &$snapshot_apply_config($conf, $snap);
4552 $conf->{parent
} = $snapname;
4554 # Note: old code did not store 'machine', so we try to be smart
4555 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
4556 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
4557 # we remove the 'machine' configuration if not explicitly specified
4558 # in the original config.
4559 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
4562 update_config_nolock
($vmid, $conf, 1);
4564 if (!$prepare && $snap->{vmstate
}) {
4565 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4566 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
4570 lock_config
($vmid, $updatefn);
4572 foreach_drive
($snap, sub {
4573 my ($ds, $drive) = @_;
4575 return if drive_is_cdrom
($drive);
4577 my $volid = $drive->{file
};
4578 my $device = "drive-$ds";
4580 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
4584 lock_config
($vmid, $updatefn);
4587 my $savevm_wait = sub {
4591 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
4592 if (!$stat->{status
}) {
4593 die "savevm not active\n";
4594 } elsif ($stat->{status
} eq 'active') {
4597 } elsif ($stat->{status
} eq 'completed') {
4600 die "query-savevm returned status '$stat->{status}'\n";
4605 sub snapshot_create
{
4606 my ($vmid, $snapname, $save_vmstate, $freezefs, $comment) = @_;
4608 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
4610 $freezefs = $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
4614 my $running = check_running
($vmid);
4617 # create internal snapshots of all drives
4619 my $storecfg = PVE
::Storage
::config
();
4622 if ($snap->{vmstate
}) {
4623 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4624 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
4625 &$savevm_wait($vmid);
4627 vm_mon_cmd
($vmid, "savevm-start");
4631 qga_freezefs
($vmid) if $running && $freezefs;
4633 foreach_drive
($snap, sub {
4634 my ($ds, $drive) = @_;
4636 return if drive_is_cdrom
($drive);
4638 my $volid = $drive->{file
};
4639 my $device = "drive-$ds";
4641 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
4642 $drivehash->{$ds} = 1;
4647 eval { qga_unfreezefs
($vmid) if $running && $freezefs; };
4650 eval { vm_mon_cmd
($vmid, "savevm-end") if $running; };
4654 warn "snapshot create failed: starting cleanup\n";
4655 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
4660 &$snapshot_commit($vmid, $snapname);
4663 # Note: $drivehash is only set when called from snapshot_create.
4664 sub snapshot_delete
{
4665 my ($vmid, $snapname, $force, $drivehash) = @_;
4672 my $unlink_parent = sub {
4673 my ($confref, $new_parent) = @_;
4675 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
4677 $confref->{parent
} = $new_parent;
4679 delete $confref->{parent
};
4684 my $updatefn = sub {
4685 my ($remove_drive) = @_;
4687 my $conf = load_config
($vmid);
4691 die "you can't delete a snapshot if vm is a template\n"
4692 if is_template
($conf);
4695 $snap = $conf->{snapshots
}->{$snapname};
4697 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4699 # remove parent refs
4700 &$unlink_parent($conf, $snap->{parent
});
4701 foreach my $sn (keys %{$conf->{snapshots
}}) {
4702 next if $sn eq $snapname;
4703 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
4706 if ($remove_drive) {
4707 if ($remove_drive eq 'vmstate') {
4708 delete $snap->{$remove_drive};
4710 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
4711 my $volid = $drive->{file
};
4712 delete $snap->{$remove_drive};
4713 add_unused_volume
($conf, $volid);
4718 $snap->{snapstate
} = 'delete';
4720 delete $conf->{snapshots
}->{$snapname};
4721 delete $conf->{lock} if $drivehash;
4722 foreach my $volid (@$unused) {
4723 add_unused_volume
($conf, $volid);
4727 update_config_nolock
($vmid, $conf, 1);
4730 lock_config
($vmid, $updatefn);
4732 # now remove vmstate file
4734 my $storecfg = PVE
::Storage
::config
();
4736 if ($snap->{vmstate
}) {
4737 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
4739 die $err if !$force;
4742 # save changes (remove vmstate from snapshot)
4743 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
4746 # now remove all internal snapshots
4747 foreach_drive
($snap, sub {
4748 my ($ds, $drive) = @_;
4750 return if drive_is_cdrom
($drive);
4752 my $volid = $drive->{file
};
4753 my $device = "drive-$ds";
4755 if (!$drivehash || $drivehash->{$ds}) {
4756 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
4758 die $err if !$force;
4763 # save changes (remove drive fron snapshot)
4764 lock_config
($vmid, $updatefn, $ds) if !$force;
4765 push @$unused, $volid;
4768 # now cleanup config
4770 lock_config
($vmid, $updatefn);
4774 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
4777 foreach_drive
($conf, sub {
4778 my ($ds, $drive) = @_;
4780 return if drive_is_cdrom
($drive);
4781 my $volid = $drive->{file
};
4782 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
4785 return $err ?
0 : 1;
4788 sub template_create
{
4789 my ($vmid, $conf, $disk) = @_;
4791 my $storecfg = PVE
::Storage
::config
();
4793 foreach_drive
($conf, sub {
4794 my ($ds, $drive) = @_;
4796 return if drive_is_cdrom
($drive);
4797 return if $disk && $ds ne $disk;
4799 my $volid = $drive->{file
};
4800 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
4802 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
4803 $drive->{file
} = $voliddst;
4804 $conf->{$ds} = print_drive
($vmid, $drive);
4805 update_config_nolock
($vmid, $conf, 1);
4812 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
4815 sub qemu_img_convert
{
4816 my ($src_volid, $dst_volid, $size, $snapname) = @_;
4818 my $storecfg = PVE
::Storage
::config
();
4819 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
4820 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
4822 if ($src_storeid && $dst_storeid) {
4823 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
4824 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
4826 my $src_format = qemu_img_format
($src_scfg, $src_volname);
4827 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
4829 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
4830 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
4833 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
4834 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
4835 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
4839 if($line =~ m/\((\S+)\/100\
%\)/){
4841 my $transferred = int($size * $percent / 100);
4842 my $remaining = $size - $transferred;
4844 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
4849 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
4851 die "copy failed: $err" if $err;
4855 sub qemu_img_format
{
4856 my ($scfg, $volname) = @_;
4858 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
4860 } elsif ($scfg->{type
} eq 'iscsi') {
4861 return "host_device";
4867 sub qemu_drive_mirror
{
4868 my ($vmid, $drive, $dst_volid, $vmiddst, $maxwait) = @_;
4874 my $storecfg = PVE
::Storage
::config
();
4875 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
4878 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
4881 if ($dst_volname =~ m/\.(raw|qcow2)$/){
4885 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
4888 #fixme : sometime drive-mirror timeout, but works fine after.
4889 # (I have see the problem with big volume > 200GB), so we need to eval
4890 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
4891 sync
=> "full", target
=> $dst_path, format
=> $format); };
4893 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
4894 sync
=> "full", target
=> $dst_path); };
4899 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
4900 my $stat = @$stats[0];
4901 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
4902 die "error job is not mirroring" if $stat->{type
} ne "mirror";
4904 my $transferred = $stat->{offset
};
4905 my $total = $stat->{len
};
4906 my $remaining = $total - $transferred;
4907 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
4909 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent %\n";
4911 last if ($stat->{len
} == $stat->{offset
});
4912 if ($old_len == $stat->{offset
}) {
4913 if ($maxwait && $count > $maxwait) {
4914 # if writes to disk occurs the disk needs to be freezed
4915 # to be able to complete the migration
4916 vm_suspend
($vmid,1);
4920 $count++ unless $frozen;
4926 $old_len = $stat->{offset
};
4930 if ($vmiddst == $vmid) {
4931 # switch the disk if source and destination are on the same guest
4932 vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive");
4936 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive"); };
4937 die "mirroring error: $err";
4940 if ($vmiddst != $vmid) {
4941 # if we clone a disk for a new target vm, we don't switch the disk
4942 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
4948 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
4949 $newvmid, $storage, $format, $full, $newvollist) = @_;
4954 print "create linked clone of drive $drivename ($drive->{file})\n";
4955 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid);
4956 push @$newvollist, $newvolid;
4958 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
4959 $storeid = $storage if $storage;
4961 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
4963 $format = $drive->{format
} || $defFormat;
4966 # test if requested format is supported - else use default
4967 my $supported = grep { $_ eq $format } @$validFormats;
4968 $format = $defFormat if !$supported;
4970 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
4972 print "create full clone of drive $drivename ($drive->{file})\n";
4973 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
4974 push @$newvollist, $newvolid;
4976 if (!$running || $snapname) {
4977 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
4979 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
4983 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
4986 $disk->{format
} = undef;
4987 $disk->{file
} = $newvolid;
4988 $disk->{size
} = $size;
4993 # this only works if VM is running
4994 sub get_current_qemu_machine
{
4997 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
4998 my $res = PVE
::QemuServer
::vm_qmp_command
($vmid, $cmd);
5000 my ($current, $default);
5001 foreach my $e (@$res) {
5002 $default = $e->{name
} if $e->{'is-default'};
5003 $current = $e->{name
} if $e->{'is-current'};
5006 # fallback to the default machine if current is not supported by qemu
5007 return $current || $default || 'pc';