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
=> "Enable/disable ACPI.",
312 description
=> "Enable/disable Qemu GuestAgent.",
318 description
=> "Enable/disable KVM hardware virtualization.",
324 description
=> "Enable/disable time drift fix.",
330 description
=> "Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.",
335 description
=> "Freeze CPU at startup (use 'c' monitor command to start execution).",
340 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.",
341 enum
=> [qw(std cirrus vmware qxl serial0 serial1 serial2 serial3 qxl2 qxl3 qxl4)],
345 type
=> 'string', format
=> 'pve-qm-watchdog',
346 typetext
=> '[[model=]i6300esb|ib700] [,[action=]reset|shutdown|poweroff|pause|debug|none]',
347 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)",
352 typetext
=> "(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)",
353 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'.",
354 pattern
=> '(now|\d{4}-\d{1,2}-\d{1,2}(T\d{1,2}:\d{1,2}:\d{1,2})?)',
359 type
=> 'string', format
=> 'pve-qm-startup',
360 typetext
=> '[[order=]\d+] [,up=\d+] [,down=\d+] ',
361 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.",
366 description
=> "Enable/disable Template.",
372 description
=> <<EODESCR,
373 Note: this option is for experts only. It allows you to pass arbitrary arguments to kvm, for example:
375 args: -no-reboot -no-hpet
382 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).",
387 description
=> "Set maximum speed (in MB/s) for migrations. Value 0 is no limit.",
391 migrate_downtime
=> {
394 description
=> "Set maximum tolerated downtime (in seconds) for migrations.",
400 type
=> 'string', format
=> 'pve-qm-drive',
401 typetext
=> 'volume',
402 description
=> "This is an alias for option -ide2",
406 description
=> "Emulated CPU type.",
408 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) ],
411 parent
=> get_standard_option
('pve-snapshot-name', {
413 description
=> "Parent snapshot name. This is used internally, and should not be modified.",
417 description
=> "Timestamp for snapshots.",
423 type
=> 'string', format
=> 'pve-volume-id',
424 description
=> "Reference to a volume which stores the VM state. This is used internally for snapshots.",
427 description
=> "Specific the Qemu machine type.",
429 pattern
=> '(pc|pc(-i440fx)?-\d+\.\d+|q35|pc-q35-\d+\.\d+)',
435 # what about other qemu settings ?
437 #machine => 'string',
450 ##soundhw => 'string',
452 while (my ($k, $v) = each %$confdesc) {
453 PVE
::JSONSchema
::register_standard_option
("pve-qm-$k", $v);
456 my $MAX_IDE_DISKS = 4;
457 my $MAX_SCSI_DISKS = 14;
458 my $MAX_VIRTIO_DISKS = 16;
459 my $MAX_SATA_DISKS = 6;
460 my $MAX_USB_DEVICES = 5;
462 my $MAX_UNUSED_DISKS = 8;
463 my $MAX_HOSTPCI_DEVICES = 2;
464 my $MAX_SERIAL_PORTS = 4;
465 my $MAX_PARALLEL_PORTS = 3;
467 my $nic_model_list = ['rtl8139', 'ne2k_pci', 'e1000', 'pcnet', 'virtio',
468 'ne2k_isa', 'i82551', 'i82557b', 'i82559er', 'vmxnet3'];
469 my $nic_model_list_txt = join(' ', sort @$nic_model_list);
473 type
=> 'string', format
=> 'pve-qm-net',
474 typetext
=> "MODEL=XX:XX:XX:XX:XX:XX [,bridge=<dev>][,rate=<mbps>][,tag=<vlanid>]",
475 description
=> <<EODESCR,
476 Specify network devices.
478 MODEL is one of: $nic_model_list_txt
480 XX:XX:XX:XX:XX:XX should be an unique MAC address. This is
481 automatically generated if not specified.
483 The bridge parameter can be used to automatically add the interface to a bridge device. The Proxmox VE standard bridge is called 'vmbr0'.
485 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'.
487 If you specify no bridge, we create a kvm 'user' (NATed) network device, which provides DHCP and DNS services. The following addresses are used:
493 The DHCP server assign addresses to the guest starting from 10.0.2.15.
497 PVE
::JSONSchema
::register_standard_option
("pve-qm-net", $netdesc);
499 for (my $i = 0; $i < $MAX_NETS; $i++) {
500 $confdesc->{"net$i"} = $netdesc;
507 type
=> 'string', format
=> 'pve-qm-drive',
508 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
509 description
=> "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . ").",
511 PVE
::JSONSchema
::register_standard_option
("pve-qm-ide", $idedesc);
515 type
=> 'string', format
=> 'pve-qm-drive',
516 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
517 description
=> "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . ").",
519 PVE
::JSONSchema
::register_standard_option
("pve-qm-scsi", $scsidesc);
523 type
=> 'string', format
=> 'pve-qm-drive',
524 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
525 description
=> "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). ").",
527 PVE
::JSONSchema
::register_standard_option
("pve-qm-sata", $satadesc);
531 type
=> 'string', format
=> 'pve-qm-drive',
532 typetext
=> '[volume=]volume,] [,media=cdrom|disk] [,cyls=c,heads=h,secs=s[,trans=t]] [,snapshot=on|off] [,cache=none|writethrough|writeback|unsafe|directsync] [,format=f] [,backup=yes|no] [,rerror=ignore|report|stop] [,werror=enospc|ignore|report|stop] [,aio=native|threads] [,discard=ignore|on]',
533 description
=> "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . ").",
535 PVE
::JSONSchema
::register_standard_option
("pve-qm-virtio", $virtiodesc);
539 type
=> 'string', format
=> 'pve-qm-usb-device',
540 typetext
=> 'host=HOSTUSBDEVICE|spice',
541 description
=> <<EODESCR,
542 Configure an USB device (n is 0 to 4). This can be used to
543 pass-through usb devices to the guest. HOSTUSBDEVICE syntax is:
545 'bus-port(.port)*' (decimal numbers) or
546 'vendor_id:product_id' (hexadeciaml numbers)
548 You can use the 'lsusb -t' command to list existing usb devices.
550 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
552 The value 'spice' can be used to add a usb redirection devices for spice.
556 PVE
::JSONSchema
::register_standard_option
("pve-qm-usb", $usbdesc);
560 type
=> 'string', format
=> 'pve-qm-hostpci',
561 typetext
=> "[host=]HOSTPCIDEVICE [,driver=kvm|vfio] [,rombar=on|off]",
562 description
=> <<EODESCR,
563 Map host pci devices. HOSTPCIDEVICE syntax is:
565 'bus:dev.func' (hexadecimal numbers)
567 You can us the 'lspci' command to list existing pci devices.
569 The 'rombar' option determines whether or not the device's ROM will be visible in the guest's memory map (default is 'on').
571 The 'driver' option is currently ignored.
573 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
575 Experimental: user reported problems with this option.
578 PVE
::JSONSchema
::register_standard_option
("pve-qm-hostpci", $hostpcidesc);
583 pattern
=> '(/dev/ttyS\d+|socket)',
584 description
=> <<EODESCR,
585 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).
587 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
589 Experimental: user reported problems with this option.
596 pattern
=> '/dev/parport\d+|/dev/usb/lp\d+',
597 description
=> <<EODESCR,
598 Map host parallel devices (n is 0 to 2).
600 Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
602 Experimental: user reported problems with this option.
606 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
607 $confdesc->{"parallel$i"} = $paralleldesc;
610 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
611 $confdesc->{"serial$i"} = $serialdesc;
614 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
615 $confdesc->{"hostpci$i"} = $hostpcidesc;
618 for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) {
619 $drivename_hash->{"ide$i"} = 1;
620 $confdesc->{"ide$i"} = $idedesc;
623 for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) {
624 $drivename_hash->{"sata$i"} = 1;
625 $confdesc->{"sata$i"} = $satadesc;
628 for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) {
629 $drivename_hash->{"scsi$i"} = 1;
630 $confdesc->{"scsi$i"} = $scsidesc ;
633 for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) {
634 $drivename_hash->{"virtio$i"} = 1;
635 $confdesc->{"virtio$i"} = $virtiodesc;
638 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
639 $confdesc->{"usb$i"} = $usbdesc;
644 type
=> 'string', format
=> 'pve-volume-id',
645 description
=> "Reference to unused volumes.",
648 for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) {
649 $confdesc->{"unused$i"} = $unuseddesc;
652 my $kvm_api_version = 0;
656 return $kvm_api_version if $kvm_api_version;
658 my $fh = IO
::File-
>new("</dev/kvm") ||
661 if (my $v = $fh->ioctl(KVM_GET_API_VERSION
(), 0)) {
662 $kvm_api_version = $v;
667 return $kvm_api_version;
670 my $kvm_user_version;
672 sub kvm_user_version
{
674 return $kvm_user_version if $kvm_user_version;
676 $kvm_user_version = 'unknown';
678 my $tmp = `kvm -help 2>/dev/null`;
680 if ($tmp =~ m/^QEMU( PC)? emulator version (\d+\.\d+(\.\d+)?)[,\s]/) {
681 $kvm_user_version = $2;
684 return $kvm_user_version;
688 my $kernel_has_vhost_net = -c
'/dev/vhost-net';
691 # order is important - used to autoselect boot disk
692 return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))),
693 (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))),
694 (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))),
695 (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))));
698 sub valid_drivename
{
701 return defined($drivename_hash->{$dev});
706 return defined($confdesc->{$key});
710 return $nic_model_list;
713 sub os_list_description
{
718 w2k
=> 'Windows 2000',
719 w2k3
=>, 'Windows 2003',
720 w2k8
=> 'Windows 2008',
721 wvista
=> 'Windows Vista',
723 win8
=> 'Windows 8/2012',
733 return $cdrom_path if $cdrom_path;
735 return $cdrom_path = "/dev/cdrom" if -l
"/dev/cdrom";
736 return $cdrom_path = "/dev/cdrom1" if -l
"/dev/cdrom1";
737 return $cdrom_path = "/dev/cdrom2" if -l
"/dev/cdrom2";
741 my ($storecfg, $vmid, $cdrom) = @_;
743 if ($cdrom eq 'cdrom') {
744 return get_cdrom_path
();
745 } elsif ($cdrom eq 'none') {
747 } elsif ($cdrom =~ m
|^/|) {
750 return PVE
::Storage
::path
($storecfg, $cdrom);
754 # try to convert old style file names to volume IDs
755 sub filename_to_volume_id
{
756 my ($vmid, $file, $media) = @_;
758 if (!($file eq 'none' || $file eq 'cdrom' ||
759 $file =~ m
|^/dev/.+| || $file =~ m/^([^:]+):(.+)$/)) {
761 return undef if $file =~ m
|/|;
763 if ($media && $media eq 'cdrom') {
764 $file = "local:iso/$file";
766 $file = "local:$vmid/$file";
773 sub verify_media_type
{
774 my ($opt, $vtype, $media) = @_;
779 if ($media eq 'disk') {
781 } elsif ($media eq 'cdrom') {
784 die "internal error";
787 return if ($vtype eq $etype);
789 raise_param_exc
({ $opt => "unexpected media type ($vtype != $etype)" });
792 sub cleanup_drive_path
{
793 my ($opt, $storecfg, $drive) = @_;
795 # try to convert filesystem paths to volume IDs
797 if (($drive->{file
} !~ m/^(cdrom|none)$/) &&
798 ($drive->{file
} !~ m
|^/dev/.+|) &&
799 ($drive->{file
} !~ m/^([^:]+):(.+)$/) &&
800 ($drive->{file
} !~ m/^\d+$/)) {
801 my ($vtype, $volid) = PVE
::Storage
::path_to_volume_id
($storecfg, $drive->{file
});
802 raise_param_exc
({ $opt => "unable to associate path '$drive->{file}' to any storage"}) if !$vtype;
803 $drive->{media
} = 'cdrom' if !$drive->{media
} && $vtype eq 'iso';
804 verify_media_type
($opt, $vtype, $drive->{media
});
805 $drive->{file
} = $volid;
808 $drive->{media
} = 'cdrom' if !$drive->{media
} && $drive->{file
} =~ m/^(cdrom|none)$/;
811 sub create_conf_nolock
{
812 my ($vmid, $settings) = @_;
814 my $filename = config_file
($vmid);
816 die "configuration file '$filename' already exists\n" if -f
$filename;
818 my $defaults = load_defaults
();
820 $settings->{name
} = "vm$vmid" if !$settings->{name
};
821 $settings->{memory
} = $defaults->{memory
} if !$settings->{memory
};
824 foreach my $opt (keys %$settings) {
825 next if !$confdesc->{$opt};
827 my $value = $settings->{$opt};
830 $data .= "$opt: $value\n";
833 PVE
::Tools
::file_set_contents
($filename, $data);
836 my $parse_size = sub {
839 return undef if $value !~ m/^(\d+(\.\d+)?)([KMG])?$/;
840 my ($size, $unit) = ($1, $3);
843 $size = $size * 1024;
844 } elsif ($unit eq 'M') {
845 $size = $size * 1024 * 1024;
846 } elsif ($unit eq 'G') {
847 $size = $size * 1024 * 1024 * 1024;
853 my $format_size = sub {
858 my $kb = int($size/1024);
859 return $size if $kb*1024 != $size;
861 my $mb = int($kb/1024);
862 return "${kb}K" if $mb*1024 != $kb;
864 my $gb = int($mb/1024);
865 return "${mb}M" if $gb*1024 != $mb;
870 # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]]
871 # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no]
872 # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop]
873 # [,aio=native|threads][,discard=ignore|on]
876 my ($key, $data) = @_;
880 # $key may be undefined - used to verify JSON parameters
881 if (!defined($key)) {
882 $res->{interface
} = 'unknown'; # should not harm when used to verify parameters
884 } elsif ($key =~ m/^([^\d]+)(\d+)$/) {
885 $res->{interface
} = $1;
891 foreach my $p (split (/,/, $data)) {
892 next if $p =~ m/^\s*$/;
894 if ($p =~ m/^(file|volume|cyls|heads|secs|trans|media|snapshot|cache|format|rerror|werror|backup|aio|bps|mbps|mbps_max|bps_rd|mbps_rd|mbps_rd_max|bps_wr|mbps_wr|mbps_wr_max|iops|iops_max|iops_rd|iops_rd_max|iops_wr|iops_wr_max|size|discard)=(.+)$/) {
895 my ($k, $v) = ($1, $2);
897 $k = 'file' if $k eq 'volume';
899 return undef if defined $res->{$k};
901 if ($k eq 'bps' || $k eq 'bps_rd' || $k eq 'bps_wr') {
902 return undef if !$v || $v !~ m/^\d+/;
904 $v = sprintf("%.3f", $v / (1024*1024));
908 if (!$res->{file
} && $p !~ m/=/) {
916 return undef if !$res->{file
};
918 if($res->{file
} =~ m/\.(raw|cow|qcow|qcow2|vmdk|cloop)$/){
922 return undef if $res->{cache
} &&
923 $res->{cache
} !~ m/^(off|none|writethrough|writeback|unsafe|directsync)$/;
924 return undef if $res->{snapshot
} && $res->{snapshot
} !~ m/^(on|off)$/;
925 return undef if $res->{cyls
} && $res->{cyls
} !~ m/^\d+$/;
926 return undef if $res->{heads
} && $res->{heads
} !~ m/^\d+$/;
927 return undef if $res->{secs
} && $res->{secs
} !~ m/^\d+$/;
928 return undef if $res->{media
} && $res->{media
} !~ m/^(disk|cdrom)$/;
929 return undef if $res->{trans
} && $res->{trans
} !~ m/^(none|lba|auto)$/;
930 return undef if $res->{format
} && $res->{format
} !~ m/^(raw|cow|qcow|qcow2|vmdk|cloop)$/;
931 return undef if $res->{rerror
} && $res->{rerror
} !~ m/^(ignore|report|stop)$/;
932 return undef if $res->{werror
} && $res->{werror
} !~ m/^(enospc|ignore|report|stop)$/;
933 return undef if $res->{backup
} && $res->{backup
} !~ m/^(yes|no)$/;
934 return undef if $res->{aio
} && $res->{aio
} !~ m/^(native|threads)$/;
935 return undef if $res->{discard
} && $res->{discard
} !~ m/^(ignore|on)$/;
937 return undef if $res->{mbps_rd
} && $res->{mbps
};
938 return undef if $res->{mbps_wr
} && $res->{mbps
};
940 return undef if $res->{mbps
} && $res->{mbps
} !~ m/^\d+(\.\d+)?$/;
941 return undef if $res->{mbps_max
} && $res->{mbps_max
} !~ m/^\d+(\.\d+)?$/;
942 return undef if $res->{mbps_rd
} && $res->{mbps_rd
} !~ m/^\d+(\.\d+)?$/;
943 return undef if $res->{mbps_rd_max
} && $res->{mbps_rd_max
} !~ m/^\d+(\.\d+)?$/;
944 return undef if $res->{mbps_wr
} && $res->{mbps_wr
} !~ m/^\d+(\.\d+)?$/;
945 return undef if $res->{mbps_wr_max
} && $res->{mbps_wr_max
} !~ m/^\d+(\.\d+)?$/;
947 return undef if $res->{iops_rd
} && $res->{iops
};
948 return undef if $res->{iops_wr
} && $res->{iops
};
951 return undef if $res->{iops
} && $res->{iops
} !~ m/^\d+$/;
952 return undef if $res->{iops_max
} && $res->{iops_max
} !~ m/^\d+$/;
953 return undef if $res->{iops_rd
} && $res->{iops_rd
} !~ m/^\d+$/;
954 return undef if $res->{iops_rd_max
} && $res->{iops_rd_max
} !~ m/^\d+$/;
955 return undef if $res->{iops_wr
} && $res->{iops_wr
} !~ m/^\d+$/;
956 return undef if $res->{iops_wr_max
} && $res->{iops_wr_max
} !~ m/^\d+$/;
960 return undef if !defined($res->{size
} = &$parse_size($res->{size
}));
963 if ($res->{media
} && ($res->{media
} eq 'cdrom')) {
964 return undef if $res->{snapshot
} || $res->{trans
} || $res->{format
};
965 return undef if $res->{heads
} || $res->{secs
} || $res->{cyls
};
966 return undef if $res->{interface
} eq 'virtio';
969 # rerror does not work with scsi drives
970 if ($res->{rerror
}) {
971 return undef if $res->{interface
} eq 'scsi';
977 my @qemu_drive_options = qw(heads secs cyls trans media format cache snapshot rerror werror aio discard iops iops_rd iops_wr iops_max iops_rd_max iops_wr_max);
980 my ($vmid, $drive) = @_;
983 foreach my $o (@qemu_drive_options, 'mbps', 'mbps_rd', 'mbps_wr', 'mbps_max', 'mbps_rd_max', 'mbps_wr_max', 'backup') {
984 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
987 if ($drive->{size
}) {
988 $opts .= ",size=" . &$format_size($drive->{size
});
991 return "$drive->{file}$opts";
995 my($fh, $noerr) = @_;
998 my $SG_GET_VERSION_NUM = 0x2282;
1000 my $versionbuf = "\x00" x
8;
1001 my $ret = ioctl($fh, $SG_GET_VERSION_NUM, $versionbuf);
1003 die "scsi ioctl SG_GET_VERSION_NUM failoed - $!\n" if !$noerr;
1006 my $version = unpack("I", $versionbuf);
1007 if ($version < 30000) {
1008 die "scsi generic interface too old\n" if !$noerr;
1012 my $buf = "\x00" x
36;
1013 my $sensebuf = "\x00" x
8;
1014 my $cmd = pack("C x3 C x1", 0x12, 36);
1016 # see /usr/include/scsi/sg.h
1017 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";
1019 my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
1020 length($sensebuf), 0, length($buf), $buf,
1021 $cmd, $sensebuf, 6000);
1023 $ret = ioctl($fh, $SG_IO, $packet);
1025 die "scsi ioctl SG_IO failed - $!\n" if !$noerr;
1029 my @res = unpack($sg_io_hdr_t, $packet);
1030 if ($res[17] || $res[18]) {
1031 die "scsi ioctl SG_IO status error - $!\n" if !$noerr;
1036 (my $byte0, my $byte1, $res->{vendor
},
1037 $res->{product
}, $res->{revision
}) = unpack("C C x6 A8 A16 A4", $buf);
1039 $res->{removable
} = $byte1 & 128 ?
1 : 0;
1040 $res->{type
} = $byte0 & 31;
1048 my $fh = IO
::File-
>new("+<$path") || return undef;
1049 my $res = scsi_inquiry
($fh, 1);
1055 sub print_drivedevice_full
{
1056 my ($storecfg, $conf, $vmid, $drive, $bridges) = @_;
1061 if ($drive->{interface
} eq 'virtio') {
1062 my $pciaddr = print_pci_addr
("$drive->{interface}$drive->{index}", $bridges);
1063 $device = "virtio-blk-pci,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}$pciaddr";
1064 } elsif ($drive->{interface
} eq 'scsi') {
1065 $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
1066 my $controller = int($drive->{index} / $maxdev);
1067 my $unit = $drive->{index} % $maxdev;
1068 my $devicetype = 'hd';
1070 if (drive_is_cdrom
($drive)) {
1073 if ($drive->{file
} =~ m
|^/|) {
1074 $path = $drive->{file
};
1076 $path = PVE
::Storage
::path
($storecfg, $drive->{file
});
1079 if($path =~ m/^iscsi\:\/\
//){
1080 $devicetype = 'generic';
1082 if (my $info = path_is_scsi
($path)) {
1083 if ($info->{type
} == 0) {
1084 $devicetype = 'block';
1085 } elsif ($info->{type
} == 1) { # tape
1086 $devicetype = 'generic';
1092 if (!$conf->{scsihw
} || ($conf->{scsihw
} =~ m/^lsi/)){
1093 $device = "scsi-$devicetype,bus=scsihw$controller.0,scsi-id=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1095 $device = "scsi-$devicetype,bus=scsihw$controller.0,channel=0,scsi-id=0,lun=$drive->{index},drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1098 } elsif ($drive->{interface
} eq 'ide'){
1100 my $controller = int($drive->{index} / $maxdev);
1101 my $unit = $drive->{index} % $maxdev;
1102 my $devicetype = ($drive->{media
} && $drive->{media
} eq 'cdrom') ?
"cd" : "hd";
1104 $device = "ide-$devicetype,bus=ide.$controller,unit=$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1105 } elsif ($drive->{interface
} eq 'sata'){
1106 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
1107 my $unit = $drive->{index} % $MAX_SATA_DISKS;
1108 $device = "ide-drive,bus=ahci$controller.$unit,drive=drive-$drive->{interface}$drive->{index},id=$drive->{interface}$drive->{index}";
1109 } elsif ($drive->{interface
} eq 'usb') {
1111 # -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0
1113 die "unsupported interface type";
1116 $device .= ",bootindex=$drive->{bootindex}" if $drive->{bootindex
};
1121 sub print_drive_full
{
1122 my ($storecfg, $vmid, $drive) = @_;
1125 foreach my $o (@qemu_drive_options) {
1126 next if $o eq 'bootindex';
1127 $opts .= ",$o=$drive->{$o}" if $drive->{$o};
1130 foreach my $o (qw(bps bps_rd bps_wr)) {
1131 my $v = $drive->{"m$o"};
1132 $opts .= ",$o=" . int($v*1024*1024) if $v;
1135 # use linux-aio by default (qemu default is threads)
1136 $opts .= ",aio=native" if !$drive->{aio
};
1139 my $volid = $drive->{file
};
1140 if (drive_is_cdrom
($drive)) {
1141 $path = get_iso_path
($storecfg, $vmid, $volid);
1143 if ($volid =~ m
|^/|) {
1146 $path = PVE
::Storage
::path
($storecfg, $volid);
1150 $opts .= ",cache=none" if !$drive->{cache
} && !drive_is_cdrom
($drive);
1152 my $pathinfo = $path ?
"file=$path," : '';
1154 return "${pathinfo}if=none,id=drive-$drive->{interface}$drive->{index}$opts";
1157 sub print_netdevice_full
{
1158 my ($vmid, $conf, $net, $netid, $bridges) = @_;
1160 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
1162 my $device = $net->{model
};
1163 if ($net->{model
} eq 'virtio') {
1164 $device = 'virtio-net-pci';
1167 # qemu > 0.15 always try to boot from network - we disable that by
1168 # not loading the pxe rom file
1169 my $extra = ($bootorder !~ m/n/) ?
"romfile=," : '';
1170 my $pciaddr = print_pci_addr
("$netid", $bridges);
1171 my $tmpstr = "$device,${extra}mac=$net->{macaddr},netdev=$netid$pciaddr,id=$netid";
1172 $tmpstr .= ",bootindex=$net->{bootindex}" if $net->{bootindex
} ;
1176 sub print_netdev_full
{
1177 my ($vmid, $conf, $net, $netid) = @_;
1180 if ($netid =~ m/^net(\d+)$/) {
1184 die "got strange net id '$i'\n" if $i >= ${MAX_NETS
};
1186 my $ifname = "tap${vmid}i$i";
1188 # kvm uses TUNSETIFF ioctl, and that limits ifname length
1189 die "interface name '$ifname' is too long (max 15 character)\n"
1190 if length($ifname) >= 16;
1192 my $vhostparam = '';
1193 $vhostparam = ',vhost=on' if $kernel_has_vhost_net && $net->{model
} eq 'virtio';
1195 my $vmname = $conf->{name
} || "vm$vmid";
1197 if ($net->{bridge
}) {
1198 return "type=tap,id=$netid,ifname=${ifname},script=/var/lib/qemu-server/pve-bridge$vhostparam";
1200 return "type=user,id=$netid,hostname=$vmname";
1204 sub drive_is_cdrom
{
1207 return $drive && $drive->{media
} && ($drive->{media
} eq 'cdrom');
1214 return undef if !$value;
1217 my @list = split(/,/, $value);
1221 foreach my $kv (@list) {
1223 if ($kv =~ m/^(host=)?([a-f0-9]{2}:[a-f0-9]{2}\.[a-f0-9])$/) {
1226 } elsif ($kv =~ m/^driver=(kvm|vfio)$/) {
1227 $res->{driver
} = $1;
1228 } elsif ($kv =~ m/^rombar=(on|off)$/) {
1229 $res->{rombar
} = $1;
1231 warn "unknown hostpci setting '$kv'\n";
1235 return undef if !$found;
1240 # netX: e1000=XX:XX:XX:XX:XX:XX,bridge=vmbr0,rate=<mbps>
1246 foreach my $kvp (split(/,/, $data)) {
1248 if ($kvp =~ m/^(ne2k_pci|e1000|rtl8139|pcnet|virtio|ne2k_isa|i82551|i82557b|i82559er|vmxnet3)(=([0-9a-f]{2}(:[0-9a-f]{2}){5}))?$/i) {
1250 my $mac = defined($3) ?
uc($3) : PVE
::Tools
::random_ether_addr
();
1251 $res->{model
} = $model;
1252 $res->{macaddr
} = $mac;
1253 } elsif ($kvp =~ m/^bridge=(\S+)$/) {
1254 $res->{bridge
} = $1;
1255 } elsif ($kvp =~ m/^rate=(\d+(\.\d+)?)$/) {
1257 } elsif ($kvp =~ m/^tag=(\d+)$/) {
1265 return undef if !$res->{model
};
1273 my $res = "$net->{model}";
1274 $res .= "=$net->{macaddr}" if $net->{macaddr
};
1275 $res .= ",bridge=$net->{bridge}" if $net->{bridge
};
1276 $res .= ",rate=$net->{rate}" if $net->{rate
};
1277 $res .= ",tag=$net->{tag}" if $net->{tag
};
1282 sub add_random_macs
{
1283 my ($settings) = @_;
1285 foreach my $opt (keys %$settings) {
1286 next if $opt !~ m/^net(\d+)$/;
1287 my $net = parse_net
($settings->{$opt});
1289 $settings->{$opt} = print_net
($net);
1293 sub add_unused_volume
{
1294 my ($config, $volid) = @_;
1297 for (my $ind = $MAX_UNUSED_DISKS - 1; $ind >= 0; $ind--) {
1298 my $test = "unused$ind";
1299 if (my $vid = $config->{$test}) {
1300 return if $vid eq $volid; # do not add duplicates
1306 die "To many unused volume - please delete them first.\n" if !$key;
1308 $config->{$key} = $volid;
1313 PVE
::JSONSchema
::register_format
('pve-qm-bootdisk', \
&verify_bootdisk
);
1314 sub verify_bootdisk
{
1315 my ($value, $noerr) = @_;
1317 return $value if valid_drivename
($value);
1319 return undef if $noerr;
1321 die "invalid boot disk '$value'\n";
1324 PVE
::JSONSchema
::register_format
('pve-qm-net', \
&verify_net
);
1326 my ($value, $noerr) = @_;
1328 return $value if parse_net
($value);
1330 return undef if $noerr;
1332 die "unable to parse network options\n";
1335 PVE
::JSONSchema
::register_format
('pve-qm-drive', \
&verify_drive
);
1337 my ($value, $noerr) = @_;
1339 return $value if parse_drive
(undef, $value);
1341 return undef if $noerr;
1343 die "unable to parse drive options\n";
1346 PVE
::JSONSchema
::register_format
('pve-qm-hostpci', \
&verify_hostpci
);
1347 sub verify_hostpci
{
1348 my ($value, $noerr) = @_;
1350 return $value if parse_hostpci
($value);
1352 return undef if $noerr;
1354 die "unable to parse pci id\n";
1357 PVE
::JSONSchema
::register_format
('pve-qm-watchdog', \
&verify_watchdog
);
1358 sub verify_watchdog
{
1359 my ($value, $noerr) = @_;
1361 return $value if parse_watchdog
($value);
1363 return undef if $noerr;
1365 die "unable to parse watchdog options\n";
1368 sub parse_watchdog
{
1371 return undef if !$value;
1375 foreach my $p (split(/,/, $value)) {
1376 next if $p =~ m/^\s*$/;
1378 if ($p =~ m/^(model=)?(i6300esb|ib700)$/) {
1380 } elsif ($p =~ m/^(action=)?(reset|shutdown|poweroff|pause|debug|none)$/) {
1381 $res->{action
} = $2;
1390 PVE
::JSONSchema
::register_format
('pve-qm-startup', \
&verify_startup
);
1391 sub verify_startup
{
1392 my ($value, $noerr) = @_;
1394 return $value if parse_startup
($value);
1396 return undef if $noerr;
1398 die "unable to parse startup options\n";
1404 return undef if !$value;
1408 foreach my $p (split(/,/, $value)) {
1409 next if $p =~ m/^\s*$/;
1411 if ($p =~ m/^(order=)?(\d+)$/) {
1413 } elsif ($p =~ m/^up=(\d+)$/) {
1415 } elsif ($p =~ m/^down=(\d+)$/) {
1425 sub parse_usb_device
{
1428 return undef if !$value;
1430 my @dl = split(/,/, $value);
1434 foreach my $v (@dl) {
1435 if ($v =~ m/^host=(0x)?([0-9A-Fa-f]{4}):(0x)?([0-9A-Fa-f]{4})$/) {
1437 $res->{vendorid
} = $2;
1438 $res->{productid
} = $4;
1439 } elsif ($v =~ m/^host=(\d+)\-(\d+(\.\d+)*)$/) {
1441 $res->{hostbus
} = $1;
1442 $res->{hostport
} = $2;
1443 } elsif ($v =~ m/^spice$/) {
1450 return undef if !$found;
1455 PVE
::JSONSchema
::register_format
('pve-qm-usb-device', \
&verify_usb_device
);
1456 sub verify_usb_device
{
1457 my ($value, $noerr) = @_;
1459 return $value if parse_usb_device
($value);
1461 return undef if $noerr;
1463 die "unable to parse usb device\n";
1466 # add JSON properties for create and set function
1467 sub json_config_properties
{
1470 foreach my $opt (keys %$confdesc) {
1471 next if $opt eq 'parent' || $opt eq 'snaptime' || $opt eq 'vmstate';
1472 $prop->{$opt} = $confdesc->{$opt};
1479 my ($key, $value) = @_;
1481 die "unknown setting '$key'\n" if !$confdesc->{$key};
1483 my $type = $confdesc->{$key}->{type
};
1485 if (!defined($value)) {
1486 die "got undefined value\n";
1489 if ($value =~ m/[\n\r]/) {
1490 die "property contains a line feed\n";
1493 if ($type eq 'boolean') {
1494 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
1495 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
1496 die "type check ('boolean') failed - got '$value'\n";
1497 } elsif ($type eq 'integer') {
1498 return int($1) if $value =~ m/^(\d+)$/;
1499 die "type check ('integer') failed - got '$value'\n";
1500 } elsif ($type eq 'number') {
1501 return $value if $value =~ m/^(\d+)(\.\d+)?$/;
1502 die "type check ('number') failed - got '$value'\n";
1503 } elsif ($type eq 'string') {
1504 if (my $fmt = $confdesc->{$key}->{format
}) {
1505 if ($fmt eq 'pve-qm-drive') {
1506 # special case - we need to pass $key to parse_drive()
1507 my $drive = parse_drive
($key, $value);
1508 return $value if $drive;
1509 die "unable to parse drive options\n";
1511 PVE
::JSONSchema
::check_format
($fmt, $value);
1514 $value =~ s/^\"(.*)\"$/$1/;
1517 die "internal error"
1521 sub lock_config_full
{
1522 my ($vmid, $timeout, $code, @param) = @_;
1524 my $filename = config_file_lock
($vmid);
1526 my $res = lock_file
($filename, $timeout, $code, @param);
1533 sub lock_config_mode
{
1534 my ($vmid, $timeout, $shared, $code, @param) = @_;
1536 my $filename = config_file_lock
($vmid);
1538 my $res = lock_file_full
($filename, $timeout, $shared, $code, @param);
1546 my ($vmid, $code, @param) = @_;
1548 return lock_config_full
($vmid, 10, $code, @param);
1551 sub cfs_config_path
{
1552 my ($vmid, $node) = @_;
1554 $node = $nodename if !$node;
1555 return "nodes/$node/qemu-server/$vmid.conf";
1558 sub check_iommu_support
{
1559 #fixme : need to check IOMMU support
1560 #http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
1568 my ($vmid, $node) = @_;
1570 my $cfspath = cfs_config_path
($vmid, $node);
1571 return "/etc/pve/$cfspath";
1574 sub config_file_lock
{
1577 return "$lock_dir/lock-$vmid.conf";
1583 my $conf = config_file
($vmid);
1584 utime undef, undef, $conf;
1588 my ($storecfg, $vmid, $keep_empty_config) = @_;
1590 my $conffile = config_file
($vmid);
1592 my $conf = load_config
($vmid);
1596 # only remove disks owned by this VM
1597 foreach_drive
($conf, sub {
1598 my ($ds, $drive) = @_;
1600 return if drive_is_cdrom
($drive);
1602 my $volid = $drive->{file
};
1604 return if !$volid || $volid =~ m
|^/|;
1606 my ($path, $owner) = PVE
::Storage
::path
($storecfg, $volid);
1607 return if !$path || !$owner || ($owner != $vmid);
1609 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1612 if ($keep_empty_config) {
1613 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
1618 # also remove unused disk
1620 my $dl = PVE
::Storage
::vdisk_list
($storecfg, undef, $vmid);
1623 PVE
::Storage
::foreach_volid
($dl, sub {
1624 my ($volid, $sid, $volname, $d) = @_;
1625 PVE
::Storage
::vdisk_free
($storecfg, $volid);
1635 my ($vmid, $node) = @_;
1637 my $cfspath = cfs_config_path
($vmid, $node);
1639 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath);
1641 die "no such VM ('$vmid')\n" if !defined($conf);
1646 sub parse_vm_config
{
1647 my ($filename, $raw) = @_;
1649 return undef if !defined($raw);
1652 digest
=> Digest
::SHA
::sha1_hex
($raw),
1656 $filename =~ m
|/qemu-server/(\d
+)\
.conf
$|
1657 || die "got strange filename '$filename'";
1664 my @lines = split(/\n/, $raw);
1665 foreach my $line (@lines) {
1666 next if $line =~ m/^\s*$/;
1668 if ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) {
1670 $conf->{description
} = $descr if $descr;
1672 $conf = $res->{snapshots
}->{$snapname} = {};
1676 if ($line =~ m/^\#(.*)\s*$/) {
1677 $descr .= PVE
::Tools
::decode_text
($1) . "\n";
1681 if ($line =~ m/^(description):\s*(.*\S)\s*$/) {
1682 $descr .= PVE
::Tools
::decode_text
($2);
1683 } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) {
1684 $conf->{snapstate
} = $1;
1685 } elsif ($line =~ m/^(args):\s*(.*\S)\s*$/) {
1688 $conf->{$key} = $value;
1689 } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S+)\s*$/) {
1692 eval { $value = check_type
($key, $value); };
1694 warn "vm $vmid - unable to parse value of '$key' - $@";
1696 my $fmt = $confdesc->{$key}->{format
};
1697 if ($fmt && $fmt eq 'pve-qm-drive') {
1698 my $v = parse_drive
($key, $value);
1699 if (my $volid = filename_to_volume_id
($vmid, $v->{file
}, $v->{media
})) {
1700 $v->{file
} = $volid;
1701 $value = print_drive
($vmid, $v);
1703 warn "vm $vmid - unable to parse value of '$key'\n";
1708 if ($key eq 'cdrom') {
1709 $conf->{ide2
} = $value;
1711 $conf->{$key} = $value;
1717 $conf->{description
} = $descr if $descr;
1719 delete $res->{snapstate
}; # just to be sure
1724 sub write_vm_config
{
1725 my ($filename, $conf) = @_;
1727 delete $conf->{snapstate
}; # just to be sure
1729 if ($conf->{cdrom
}) {
1730 die "option ide2 conflicts with cdrom\n" if $conf->{ide2
};
1731 $conf->{ide2
} = $conf->{cdrom
};
1732 delete $conf->{cdrom
};
1735 # we do not use 'smp' any longer
1736 if ($conf->{sockets
}) {
1737 delete $conf->{smp
};
1738 } elsif ($conf->{smp
}) {
1739 $conf->{sockets
} = $conf->{smp
};
1740 delete $conf->{cores
};
1741 delete $conf->{smp
};
1744 my $used_volids = {};
1746 my $cleanup_config = sub {
1747 my ($cref, $snapname) = @_;
1749 foreach my $key (keys %$cref) {
1750 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots' ||
1751 $key eq 'snapstate';
1752 my $value = $cref->{$key};
1753 eval { $value = check_type
($key, $value); };
1754 die "unable to parse value of '$key' - $@" if $@;
1756 $cref->{$key} = $value;
1758 if (!$snapname && valid_drivename
($key)) {
1759 my $drive = parse_drive
($key, $value);
1760 $used_volids->{$drive->{file
}} = 1 if $drive && $drive->{file
};
1765 &$cleanup_config($conf);
1766 foreach my $snapname (keys %{$conf->{snapshots
}}) {
1767 &$cleanup_config($conf->{snapshots
}->{$snapname}, $snapname);
1770 # remove 'unusedX' settings if we re-add a volume
1771 foreach my $key (keys %$conf) {
1772 my $value = $conf->{$key};
1773 if ($key =~ m/^unused/ && $used_volids->{$value}) {
1774 delete $conf->{$key};
1778 my $generate_raw_config = sub {
1783 # add description as comment to top of file
1784 my $descr = $conf->{description
} || '';
1785 foreach my $cl (split(/\n/, $descr)) {
1786 $raw .= '#' . PVE
::Tools
::encode_text
($cl) . "\n";
1789 foreach my $key (sort keys %$conf) {
1790 next if $key eq 'digest' || $key eq 'description' || $key eq 'snapshots';
1791 $raw .= "$key: $conf->{$key}\n";
1796 my $raw = &$generate_raw_config($conf);
1797 foreach my $snapname (sort keys %{$conf->{snapshots
}}) {
1798 $raw .= "\n[$snapname]\n";
1799 $raw .= &$generate_raw_config($conf->{snapshots
}->{$snapname});
1805 sub update_config_nolock
{
1806 my ($vmid, $conf, $skiplock) = @_;
1808 check_lock
($conf) if !$skiplock;
1810 my $cfspath = cfs_config_path
($vmid);
1812 PVE
::Cluster
::cfs_write_file
($cfspath, $conf);
1816 my ($vmid, $conf, $skiplock) = @_;
1818 lock_config
($vmid, &update_config_nolock
, $conf, $skiplock);
1825 # we use static defaults from our JSON schema configuration
1826 foreach my $key (keys %$confdesc) {
1827 if (defined(my $default = $confdesc->{$key}->{default})) {
1828 $res->{$key} = $default;
1832 my $conf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
1833 $res->{keyboard
} = $conf->{keyboard
} if $conf->{keyboard
};
1839 my $vmlist = PVE
::Cluster
::get_vmlist
();
1841 return $res if !$vmlist || !$vmlist->{ids
};
1842 my $ids = $vmlist->{ids
};
1844 foreach my $vmid (keys %$ids) {
1845 my $d = $ids->{$vmid};
1846 next if !$d->{node
} || $d->{node
} ne $nodename;
1847 next if !$d->{type
} || $d->{type
} ne 'qemu';
1848 $res->{$vmid}->{exists} = 1;
1853 # test if VM uses local resources (to prevent migration)
1854 sub check_local_resources
{
1855 my ($conf, $noerr) = @_;
1859 $loc_res = 1 if $conf->{hostusb
}; # old syntax
1860 $loc_res = 1 if $conf->{hostpci
}; # old syntax
1862 foreach my $k (keys %$conf) {
1863 next if $k =~ m/^usb/ && ($conf->{$k} eq 'spice');
1864 $loc_res = 1 if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
1867 die "VM uses local resources\n" if $loc_res && !$noerr;
1872 # check if used storages are available on all nodes (use by migrate)
1873 sub check_storage_availability
{
1874 my ($storecfg, $conf, $node) = @_;
1876 foreach_drive
($conf, sub {
1877 my ($ds, $drive) = @_;
1879 my $volid = $drive->{file
};
1882 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1885 # check if storage is available on both nodes
1886 my $scfg = PVE
::Storage
::storage_check_node
($storecfg, $sid);
1887 PVE
::Storage
::storage_check_node
($storecfg, $sid, $node);
1891 # list nodes where all VM images are available (used by has_feature API)
1893 my ($conf, $storecfg) = @_;
1895 my $nodelist = PVE
::Cluster
::get_nodelist
();
1896 my $nodehash = { map { $_ => 1 } @$nodelist };
1897 my $nodename = PVE
::INotify
::nodename
();
1899 foreach_drive
($conf, sub {
1900 my ($ds, $drive) = @_;
1902 my $volid = $drive->{file
};
1905 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
1907 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid);
1908 if ($scfg->{disable
}) {
1910 } elsif (my $avail = $scfg->{nodes
}) {
1911 foreach my $node (keys %$nodehash) {
1912 delete $nodehash->{$node} if !$avail->{$node};
1914 } elsif (!$scfg->{shared
}) {
1915 foreach my $node (keys %$nodehash) {
1916 delete $nodehash->{$node} if $node ne $nodename
1928 die "VM is locked ($conf->{lock})\n" if $conf->{lock};
1932 my ($pidfile, $pid) = @_;
1934 my $fh = IO
::File-
>new("/proc/$pid/cmdline", "r");
1938 return undef if !$line;
1939 my @param = split(/\0/, $line);
1941 my $cmd = $param[0];
1942 return if !$cmd || ($cmd !~ m
|kvm
$| && $cmd !~ m
|qemu-system-x86_64
$|);
1944 for (my $i = 0; $i < scalar (@param); $i++) {
1947 if (($p eq '-pidfile') || ($p eq '--pidfile')) {
1948 my $p = $param[$i+1];
1949 return 1 if $p && ($p eq $pidfile);
1958 my ($vmid, $nocheck, $node) = @_;
1960 my $filename = config_file
($vmid, $node);
1962 die "unable to find configuration file for VM $vmid - no such machine\n"
1963 if !$nocheck && ! -f
$filename;
1965 my $pidfile = pidfile_name
($vmid);
1967 if (my $fd = IO
::File-
>new("<$pidfile")) {
1972 my $mtime = $st->mtime;
1973 if ($mtime > time()) {
1974 warn "file '$filename' modified in future\n";
1977 if ($line =~ m/^(\d+)$/) {
1979 if (check_cmdline
($pidfile, $pid)) {
1980 if (my $pinfo = PVE
::ProcFSTools
::check_process_running
($pid)) {
1992 my $vzlist = config_list
();
1994 my $fd = IO
::Dir-
>new($var_run_tmpdir) || return $vzlist;
1996 while (defined(my $de = $fd->read)) {
1997 next if $de !~ m/^(\d+)\.pid$/;
1999 next if !defined($vzlist->{$vmid});
2000 if (my $pid = check_running
($vmid)) {
2001 $vzlist->{$vmid}->{pid
} = $pid;
2009 my ($storecfg, $conf) = @_;
2011 my $bootdisk = $conf->{bootdisk
};
2012 return undef if !$bootdisk;
2013 return undef if !valid_drivename
($bootdisk);
2015 return undef if !$conf->{$bootdisk};
2017 my $drive = parse_drive
($bootdisk, $conf->{$bootdisk});
2018 return undef if !defined($drive);
2020 return undef if drive_is_cdrom
($drive);
2022 my $volid = $drive->{file
};
2023 return undef if !$volid;
2025 return $drive->{size
};
2028 my $last_proc_pid_stat;
2030 # get VM status information
2031 # This must be fast and should not block ($full == false)
2032 # We only query KVM using QMP if $full == true (this can be slow)
2034 my ($opt_vmid, $full) = @_;
2038 my $storecfg = PVE
::Storage
::config
();
2040 my $list = vzlist
();
2041 my ($uptime) = PVE
::ProcFSTools
::read_proc_uptime
(1);
2043 my $cpucount = $cpuinfo->{cpus
} || 1;
2045 foreach my $vmid (keys %$list) {
2046 next if $opt_vmid && ($vmid ne $opt_vmid);
2048 my $cfspath = cfs_config_path
($vmid);
2049 my $conf = PVE
::Cluster
::cfs_read_file
($cfspath) || {};
2052 $d->{pid
} = $list->{$vmid}->{pid
};
2054 # fixme: better status?
2055 $d->{status
} = $list->{$vmid}->{pid
} ?
'running' : 'stopped';
2057 my $size = disksize
($storecfg, $conf);
2058 if (defined($size)) {
2059 $d->{disk
} = 0; # no info available
2060 $d->{maxdisk
} = $size;
2066 $d->{cpus
} = ($conf->{sockets
} || 1) * ($conf->{cores
} || 1);
2067 $d->{cpus
} = $cpucount if $d->{cpus
} > $cpucount;
2069 $d->{name
} = $conf->{name
} || "VM $vmid";
2070 $d->{maxmem
} = $conf->{memory
} ?
$conf->{memory
}*(1024*1024) : 0;
2072 if ($conf->{balloon
}) {
2073 $d->{balloon_min
} = $conf->{balloon
}*(1024*1024);
2074 $d->{shares
} = defined($conf->{shares
}) ?
$conf->{shares
} : 1000;
2085 $d->{diskwrite
} = 0;
2087 $d->{template
} = is_template
($conf);
2092 my $netdev = PVE
::ProcFSTools
::read_proc_net_dev
();
2093 foreach my $dev (keys %$netdev) {
2094 next if $dev !~ m/^tap([1-9]\d*)i/;
2096 my $d = $res->{$vmid};
2099 $d->{netout
} += $netdev->{$dev}->{receive
};
2100 $d->{netin
} += $netdev->{$dev}->{transmit
};
2103 my $ctime = gettimeofday
;
2105 foreach my $vmid (keys %$list) {
2107 my $d = $res->{$vmid};
2108 my $pid = $d->{pid
};
2111 my $pstat = PVE
::ProcFSTools
::read_proc_pid_stat
($pid);
2112 next if !$pstat; # not running
2114 my $used = $pstat->{utime} + $pstat->{stime
};
2116 $d->{uptime
} = int(($uptime - $pstat->{starttime
})/$cpuinfo->{user_hz
});
2118 if ($pstat->{vsize
}) {
2119 $d->{mem
} = int(($pstat->{rss
}/$pstat->{vsize
})*$d->{maxmem
});
2122 my $old = $last_proc_pid_stat->{$pid};
2124 $last_proc_pid_stat->{$pid} = {
2132 my $dtime = ($ctime - $old->{time}) * $cpucount * $cpuinfo->{user_hz
};
2134 if ($dtime > 1000) {
2135 my $dutime = $used - $old->{used
};
2137 $d->{cpu
} = (($dutime/$dtime)* $cpucount) / $d->{cpus
};
2138 $last_proc_pid_stat->{$pid} = {
2144 $d->{cpu
} = $old->{cpu
};
2148 return $res if !$full;
2150 my $qmpclient = PVE
::QMPClient-
>new();
2152 my $ballooncb = sub {
2153 my ($vmid, $resp) = @_;
2155 my $info = $resp->{'return'};
2156 return if !$info->{max_mem
};
2158 my $d = $res->{$vmid};
2160 # use memory assigned to VM
2161 $d->{maxmem
} = $info->{max_mem
};
2162 $d->{balloon
} = $info->{actual
};
2164 if (defined($info->{total_mem
}) && defined($info->{free_mem
})) {
2165 $d->{mem
} = $info->{total_mem
} - $info->{free_mem
};
2166 $d->{freemem
} = $info->{free_mem
};
2171 my $blockstatscb = sub {
2172 my ($vmid, $resp) = @_;
2173 my $data = $resp->{'return'} || [];
2174 my $totalrdbytes = 0;
2175 my $totalwrbytes = 0;
2176 for my $blockstat (@$data) {
2177 $totalrdbytes = $totalrdbytes + $blockstat->{stats
}->{rd_bytes
};
2178 $totalwrbytes = $totalwrbytes + $blockstat->{stats
}->{wr_bytes
};
2180 $res->{$vmid}->{diskread
} = $totalrdbytes;
2181 $res->{$vmid}->{diskwrite
} = $totalwrbytes;
2184 my $statuscb = sub {
2185 my ($vmid, $resp) = @_;
2187 $qmpclient->queue_cmd($vmid, $blockstatscb, 'query-blockstats');
2188 # this fails if ballon driver is not loaded, so this must be
2189 # the last commnand (following command are aborted if this fails).
2190 $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon');
2192 my $status = 'unknown';
2193 if (!defined($status = $resp->{'return'}->{status
})) {
2194 warn "unable to get VM status\n";
2198 $res->{$vmid}->{qmpstatus
} = $resp->{'return'}->{status
};
2201 foreach my $vmid (keys %$list) {
2202 next if $opt_vmid && ($vmid ne $opt_vmid);
2203 next if !$res->{$vmid}->{pid
}; # not running
2204 $qmpclient->queue_cmd($vmid, $statuscb, 'query-status');
2207 $qmpclient->queue_execute();
2209 foreach my $vmid (keys %$list) {
2210 next if $opt_vmid && ($vmid ne $opt_vmid);
2211 $res->{$vmid}->{qmpstatus
} = $res->{$vmid}->{status
} if !$res->{$vmid}->{qmpstatus
};
2218 my ($conf, $func) = @_;
2220 foreach my $ds (keys %$conf) {
2221 next if !valid_drivename
($ds);
2223 my $drive = parse_drive
($ds, $conf->{$ds});
2226 &$func($ds, $drive);
2231 my ($conf, $func) = @_;
2235 my $test_volid = sub {
2236 my ($volid, $is_cdrom) = @_;
2240 $volhash->{$volid} = $is_cdrom || 0;
2243 foreach_drive
($conf, sub {
2244 my ($ds, $drive) = @_;
2245 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2248 foreach my $snapname (keys %{$conf->{snapshots
}}) {
2249 my $snap = $conf->{snapshots
}->{$snapname};
2250 &$test_volid($snap->{vmstate
}, 0);
2251 foreach_drive
($snap, sub {
2252 my ($ds, $drive) = @_;
2253 &$test_volid($drive->{file
}, drive_is_cdrom
($drive));
2257 foreach my $volid (keys %$volhash) {
2258 &$func($volid, $volhash->{$volid});
2262 sub vga_conf_has_spice
{
2265 return 0 if !$vga || $vga !~ m/^qxl([234])?$/;
2270 sub config_to_command
{
2271 my ($storecfg, $vmid, $conf, $defaults, $forcemachine) = @_;
2274 my $globalFlags = [];
2275 my $machineFlags = [];
2281 my $kvmver = kvm_user_version
();
2282 my $vernum = 0; # unknown
2283 if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
2284 $vernum = $1*1000000+$2*1000;
2285 } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
2286 $vernum = $1*1000000+$2*1000+$3;
2289 die "detected old qemu-kvm binary ($kvmver)\n" if $vernum < 15000;
2291 my $have_ovz = -f
'/proc/vz/vestat';
2293 push @$cmd, '/usr/bin/kvm';
2295 push @$cmd, '-id', $vmid;
2299 my $qmpsocket = qmp_socket
($vmid);
2300 push @$cmd, '-chardev', "socket,id=qmp,path=$qmpsocket,server,nowait";
2301 push @$cmd, '-mon', "chardev=qmp,mode=control";
2303 my $socket = vnc_socket
($vmid);
2304 push @$cmd, '-vnc', "unix:$socket,x509,password";
2306 push @$cmd, '-pidfile' , pidfile_name
($vmid);
2308 push @$cmd, '-daemonize';
2310 $pciaddr = print_pci_addr
("piix3", $bridges);
2311 push @$devices, '-device', "piix3-usb-uhci,id=uhci$pciaddr.0x2";
2314 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2315 next if !$conf->{"usb$i"};
2318 # include usb device config
2319 push @$devices, '-readconfig', '/usr/share/qemu-server/pve-usb.cfg' if $use_usb2;
2321 my $vga = $conf->{vga
};
2323 my $qxlnum = vga_conf_has_spice
($vga);
2324 $vga = 'qxl' if $qxlnum;
2327 if ($conf->{ostype
} && ($conf->{ostype
} eq 'win8' ||
2328 $conf->{ostype
} eq 'win7' ||
2329 $conf->{ostype
} eq 'w2k8')) {
2336 # enable absolute mouse coordinates (needed by vnc)
2338 if (defined($conf->{tablet
})) {
2339 $tablet = $conf->{tablet
};
2341 $tablet = $defaults->{tablet
};
2342 $tablet = 0 if $qxlnum; # disable for spice because it is not needed
2343 $tablet = 0 if $vga =~ m/^serial\d+$/; # disable if we use serial terminal (no vga card)
2346 push @$devices, '-device', 'usb-tablet,id=tablet,bus=uhci.0,port=1' if $tablet;
2349 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
2350 my $d = parse_hostpci
($conf->{"hostpci$i"});
2352 $pciaddr = print_pci_addr
("hostpci$i", $bridges);
2353 my $rombar = $d->{rombar
} && $d->{rombar
} eq 'off' ?
",rombar=0" : "";
2354 push @$devices, '-device', "pci-assign,host=$d->{pciid},id=hostpci$i$pciaddr$rombar";
2358 for (my $i = 0; $i < $MAX_USB_DEVICES; $i++) {
2359 my $d = parse_usb_device
($conf->{"usb$i"});
2361 if ($d->{vendorid
} && $d->{productid
}) {
2362 push @$devices, '-device', "usb-host,vendorid=0x$d->{vendorid},productid=0x$d->{productid}";
2363 } elsif (defined($d->{hostbus
}) && defined($d->{hostport
})) {
2364 push @$devices, '-device', "usb-host,hostbus=$d->{hostbus},hostport=$d->{hostport}";
2365 } elsif ($d->{spice
}) {
2366 # usb redir support for spice
2367 push @$devices, '-chardev', "spicevmc,id=usbredirchardev$i,name=usbredir";
2368 push @$devices, '-device', "usb-redir,chardev=usbredirchardev$i,id=usbredirdev$i,bus=ehci.0";
2373 for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
2374 if (my $path = $conf->{"serial$i"}) {
2375 if ($path eq 'socket') {
2376 my $socket = "/var/run/qemu-server/${vmid}.serial$i";
2377 push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
2378 push @$devices, '-device', "isa-serial,chardev=serial$i";
2380 die "no such serial device\n" if ! -c
$path;
2381 push @$devices, '-chardev', "tty,id=serial$i,path=$path";
2382 push @$devices, '-device', "isa-serial,chardev=serial$i";
2388 for (my $i = 0; $i < $MAX_PARALLEL_PORTS; $i++) {
2389 if (my $path = $conf->{"parallel$i"}) {
2390 die "no such parallel device\n" if ! -c
$path;
2391 my $devtype = $path =~ m!^/dev/usb/lp! ?
'tty' : 'parport';
2392 push @$devices, '-chardev', "$devtype,id=parallel$i,path=$path";
2393 push @$devices, '-device', "isa-parallel,chardev=parallel$i";
2397 my $vmname = $conf->{name
} || "vm$vmid";
2399 push @$cmd, '-name', $vmname;
2402 $sockets = $conf->{smp
} if $conf->{smp
}; # old style - no longer iused
2403 $sockets = $conf->{sockets
} if $conf->{sockets
};
2405 my $cores = $conf->{cores
} || 1;
2406 push @$cmd, '-smp', "sockets=$sockets,cores=$cores";
2408 push @$cmd, '-nodefaults';
2410 my $bootorder = $conf->{boot
} || $confdesc->{boot
}->{default};
2412 my $bootindex_hash = {};
2414 foreach my $o (split(//, $bootorder)) {
2415 $bootindex_hash->{$o} = $i*100;
2419 push @$cmd, '-boot', "menu=on";
2421 push @$cmd, '-no-acpi' if defined($conf->{acpi
}) && $conf->{acpi
} == 0;
2423 push @$cmd, '-no-reboot' if defined($conf->{reboot
}) && $conf->{reboot
} == 0;
2425 push @$cmd, '-vga', $vga if $vga && $vga !~ m/^serial\d+$/; # for kvm 77 and later
2428 my $tdf = defined($conf->{tdf
}) ?
$conf->{tdf
} : $defaults->{tdf
};
2430 my $nokvm = defined($conf->{kvm
}) && $conf->{kvm
} == 0 ?
1 : 0;
2431 my $useLocaltime = $conf->{localtime};
2433 if (my $ost = $conf->{ostype
}) {
2434 # other, wxp, w2k, w2k3, w2k8, wvista, win7, win8, l24, l26, solaris
2436 if ($ost =~ m/^w/) { # windows
2437 $useLocaltime = 1 if !defined($conf->{localtime});
2439 # use time drift fix when acpi is enabled
2440 if (!(defined($conf->{acpi
}) && $conf->{acpi
} == 0)) {
2441 $tdf = 1 if !defined($conf->{tdf
});
2445 if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' ||
2447 push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
2448 push @$cmd, '-no-hpet';
2449 #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this
2450 push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
2453 if ($ost eq 'win7' || $ost eq 'win8') {
2454 push @$cpuFlags , 'hv_relaxed' if !$nokvm;
2458 push @$rtcFlags, 'driftfix=slew' if $tdf;
2461 push @$machineFlags, 'accel=tcg';
2463 die "No accelerator found!\n" if !$cpuinfo->{hvm
};
2466 my $machine_type = $forcemachine || $conf->{machine
};
2467 if ($machine_type) {
2468 push @$machineFlags, "type=${machine_type}";
2471 if ($conf->{startdate
}) {
2472 push @$rtcFlags, "base=$conf->{startdate}";
2473 } elsif ($useLocaltime) {
2474 push @$rtcFlags, 'base=localtime';
2477 my $cpu = $nokvm ?
"qemu64" : "kvm64";
2478 $cpu = $conf->{cpu
} if $conf->{cpu
};
2480 push @$cpuFlags , '+lahf_lm' if $cpu eq 'kvm64';
2482 push @$cpuFlags , '+x2apic' if !$nokvm && $conf->{ostype
} ne 'solaris';
2484 push @$cpuFlags , '-x2apic' if $conf->{ostype
} eq 'solaris';
2486 push @$cpuFlags, '+sep' if $cpu eq 'kvm64' || $cpu eq 'kvm32';
2488 $cpu .= "," . join(',', @$cpuFlags) if scalar(@$cpuFlags);
2490 push @$cmd, '-cpu', $cpu;
2492 push @$cmd, '-S' if $conf->{freeze
};
2494 # set keyboard layout
2495 my $kb = $conf->{keyboard
} || $defaults->{keyboard
};
2496 push @$cmd, '-k', $kb if $kb;
2499 #my $soundhw = $conf->{soundhw} || $defaults->{soundhw};
2500 #push @$cmd, '-soundhw', 'es1370';
2501 #push @$cmd, '-soundhw', $soundhw if $soundhw;
2503 if($conf->{agent
}) {
2504 my $qgasocket = qga_socket
($vmid);
2505 my $pciaddr = print_pci_addr
("qga0", $bridges);
2506 push @$devices, '-chardev', "socket,path=$qgasocket,server,nowait,id=qga0";
2507 push @$devices, '-device', "virtio-serial,id=qga0$pciaddr";
2508 push @$devices, '-device', 'virtserialport,chardev=qga0,name=org.qemu.guest_agent.0';
2515 if ($conf->{ostype
} && $conf->{ostype
} =~ m/^w/){
2516 for(my $i = 1; $i < $qxlnum; $i++){
2517 my $pciaddr = print_pci_addr
("vga$i", $bridges);
2518 push @$cmd, '-device', "qxl,id=vga$i,ram_size=67108864,vram_size=33554432$pciaddr";
2521 # assume other OS works like Linux
2522 push @$cmd, '-global', 'qxl-vga.ram_size=134217728';
2523 push @$cmd, '-global', 'qxl-vga.vram_size=67108864';
2527 my $pciaddr = print_pci_addr
("spice", $bridges);
2529 $spice_port = PVE
::Tools
::next_spice_port
();
2531 push @$cmd, '-spice', "tls-port=${spice_port},addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on";
2533 push @$cmd, '-device', "virtio-serial,id=spice$pciaddr";
2534 push @$cmd, '-chardev', "spicevmc,id=vdagent,name=vdagent";
2535 push @$cmd, '-device', "virtserialport,chardev=vdagent,name=com.redhat.spice.0";
2538 # enable balloon by default, unless explicitly disabled
2539 if (!defined($conf->{balloon
}) || $conf->{balloon
}) {
2540 $pciaddr = print_pci_addr
("balloon0", $bridges);
2541 push @$devices, '-device', "virtio-balloon-pci,id=balloon0$pciaddr";
2544 if ($conf->{watchdog
}) {
2545 my $wdopts = parse_watchdog
($conf->{watchdog
});
2546 $pciaddr = print_pci_addr
("watchdog", $bridges);
2547 my $watchdog = $wdopts->{model
} || 'i6300esb';
2548 push @$devices, '-device', "$watchdog$pciaddr";
2549 push @$devices, '-watchdog-action', $wdopts->{action
} if $wdopts->{action
};
2553 my $scsicontroller = {};
2554 my $ahcicontroller = {};
2555 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : $defaults->{scsihw
};
2557 foreach_drive
($conf, sub {
2558 my ($ds, $drive) = @_;
2560 if (PVE
::Storage
::parse_volume_id
($drive->{file
}, 1)) {
2561 push @$vollist, $drive->{file
};
2564 $use_virtio = 1 if $ds =~ m/^virtio/;
2566 if (drive_is_cdrom
($drive)) {
2567 if ($bootindex_hash->{d
}) {
2568 $drive->{bootindex
} = $bootindex_hash->{d
};
2569 $bootindex_hash->{d
} += 1;
2572 if ($bootindex_hash->{c
}) {
2573 $drive->{bootindex
} = $bootindex_hash->{c
} if $conf->{bootdisk
} && ($conf->{bootdisk
} eq $ds);
2574 $bootindex_hash->{c
} += 1;
2578 if ($drive->{interface
} eq 'scsi') {
2580 my $maxdev = ($scsihw !~ m/^lsi/) ?
256 : 7;
2581 my $controller = int($drive->{index} / $maxdev);
2582 $pciaddr = print_pci_addr
("scsihw$controller", $bridges);
2583 push @$devices, '-device', "$scsihw,id=scsihw$controller$pciaddr" if !$scsicontroller->{$controller};
2584 $scsicontroller->{$controller}=1;
2587 if ($drive->{interface
} eq 'sata') {
2588 my $controller = int($drive->{index} / $MAX_SATA_DISKS);
2589 $pciaddr = print_pci_addr
("ahci$controller", $bridges);
2590 push @$devices, '-device', "ahci,id=ahci$controller,multifunction=on$pciaddr" if !$ahcicontroller->{$controller};
2591 $ahcicontroller->{$controller}=1;
2594 push @$devices, '-drive',print_drive_full
($storecfg, $vmid, $drive);
2595 push @$devices, '-device',print_drivedevice_full
($storecfg, $conf, $vmid, $drive, $bridges);
2598 push @$cmd, '-m', $conf->{memory
} || $defaults->{memory
};
2600 for (my $i = 0; $i < $MAX_NETS; $i++) {
2601 next if !$conf->{"net$i"};
2602 my $d = parse_net
($conf->{"net$i"});
2605 $use_virtio = 1 if $d->{model
} eq 'virtio';
2607 if ($bootindex_hash->{n
}) {
2608 $d->{bootindex
} = $bootindex_hash->{n
};
2609 $bootindex_hash->{n
} += 1;
2612 my $netdevfull = print_netdev_full
($vmid,$conf,$d,"net$i");
2613 push @$devices, '-netdev', $netdevfull;
2615 my $netdevicefull = print_netdevice_full
($vmid,$conf,$d,"net$i",$bridges);
2616 push @$devices, '-device', $netdevicefull;
2620 while (my ($k, $v) = each %$bridges) {
2621 $pciaddr = print_pci_addr
("pci.$k");
2622 unshift @$devices, '-device', "pci-bridge,id=pci.$k,chassis_nr=$k$pciaddr" if $k > 0;
2626 # hack: virtio with fairsched is unreliable, so we do not use fairsched
2627 # when the VM uses virtio devices.
2628 if (!$use_virtio && $have_ovz) {
2630 my $cpuunits = defined($conf->{cpuunits
}) ?
2631 $conf->{cpuunits
} : $defaults->{cpuunits
};
2633 push @$cmd, '-cpuunits', $cpuunits if $cpuunits;
2635 # fixme: cpulimit is currently ignored
2636 #push @$cmd, '-cpulimit', $conf->{cpulimit} if $conf->{cpulimit};
2640 if ($conf->{args
}) {
2641 my $aa = PVE
::Tools
::split_args
($conf->{args
});
2645 push @$cmd, @$devices;
2646 push @$cmd, '-rtc', join(',', @$rtcFlags)
2647 if scalar(@$rtcFlags);
2648 push @$cmd, '-machine', join(',', @$machineFlags)
2649 if scalar(@$machineFlags);
2650 push @$cmd, '-global', join(',', @$globalFlags)
2651 if scalar(@$globalFlags);
2653 return wantarray ?
($cmd, $vollist, $spice_port) : $cmd;
2658 return "${var_run_tmpdir}/$vmid.vnc";
2664 my $res = vm_mon_cmd
($vmid, 'query-spice');
2666 return $res->{'tls-port'} || $res->{'port'} || die "no spice port\n";
2671 return "${var_run_tmpdir}/$vmid.qmp";
2676 return "${var_run_tmpdir}/$vmid.qga";
2681 return "${var_run_tmpdir}/$vmid.pid";
2684 sub vm_devices_list
{
2687 my $res = vm_mon_cmd
($vmid, 'query-pci');
2690 foreach my $pcibus (@$res) {
2691 foreach my $device (@{$pcibus->{devices
}}) {
2692 next if !$device->{'qdev_id'};
2693 $devices->{$device->{'qdev_id'}} = $device;
2701 my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
2703 return 1 if !check_running
($vmid);
2705 if ($deviceid eq 'tablet') {
2706 my $devicefull = "usb-tablet,id=tablet,bus=uhci.0,port=1";
2707 qemu_deviceadd
($vmid, $devicefull);
2711 return 1 if !$conf->{hotplug
};
2713 my $devices_list = vm_devices_list
($vmid);
2714 return 1 if defined($devices_list->{$deviceid});
2716 qemu_bridgeadd
($storecfg, $conf, $vmid, $deviceid); #add bridge if we need it for the device
2718 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2719 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2720 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2721 qemu_deviceadd
($vmid, $devicefull);
2722 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2723 qemu_drivedel
($vmid, $deviceid);
2728 if ($deviceid =~ m/^(scsihw)(\d+)$/) {
2729 my $scsihw = defined($conf->{scsihw
}) ?
$conf->{scsihw
} : "lsi";
2730 my $pciaddr = print_pci_addr
($deviceid);
2731 my $devicefull = "$scsihw,id=$deviceid$pciaddr";
2732 qemu_deviceadd
($vmid, $devicefull);
2733 return undef if(!qemu_deviceaddverify
($vmid, $deviceid));
2736 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2737 return 1 if ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)); #virtio-scsi not yet support hotplug
2738 return undef if !qemu_findorcreatescsihw
($storecfg,$conf, $vmid, $device);
2739 return undef if !qemu_driveadd
($storecfg, $vmid, $device);
2740 my $devicefull = print_drivedevice_full
($storecfg, $conf, $vmid, $device);
2741 if(!qemu_deviceadd
($vmid, $devicefull)) {
2742 qemu_drivedel
($vmid, $deviceid);
2747 if ($deviceid =~ m/^(net)(\d+)$/) {
2748 return undef if !qemu_netdevadd
($vmid, $conf, $device, $deviceid);
2749 my $netdevicefull = print_netdevice_full
($vmid, $conf, $device, $deviceid);
2750 qemu_deviceadd
($vmid, $netdevicefull);
2751 if(!qemu_deviceaddverify
($vmid, $deviceid)) {
2752 qemu_netdevdel
($vmid, $deviceid);
2757 if ($deviceid =~ m/^(pci\.)(\d+)$/) {
2759 my $pciaddr = print_pci_addr
($deviceid);
2760 my $devicefull = "pci-bridge,id=pci.$bridgeid,chassis_nr=$bridgeid$pciaddr";
2761 qemu_deviceadd
($vmid, $devicefull);
2762 return undef if !qemu_deviceaddverify
($vmid, $deviceid);
2768 sub vm_deviceunplug
{
2769 my ($vmid, $conf, $deviceid) = @_;
2771 return 1 if !check_running
($vmid);
2773 if ($deviceid eq 'tablet') {
2774 qemu_devicedel
($vmid, $deviceid);
2778 return 1 if !$conf->{hotplug
};
2780 my $devices_list = vm_devices_list
($vmid);
2781 return 1 if !defined($devices_list->{$deviceid});
2783 die "can't unplug bootdisk" if $conf->{bootdisk
} && $conf->{bootdisk
} eq $deviceid;
2785 if ($deviceid =~ m/^(virtio)(\d+)$/) {
2786 qemu_devicedel
($vmid, $deviceid);
2787 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2788 return undef if !qemu_drivedel
($vmid, $deviceid);
2791 if ($deviceid =~ m/^(lsi)(\d+)$/) {
2792 return undef if !qemu_devicedel
($vmid, $deviceid);
2795 if ($deviceid =~ m/^(scsi)(\d+)$/) {
2796 return undef if !qemu_devicedel
($vmid, $deviceid);
2797 return undef if !qemu_drivedel
($vmid, $deviceid);
2800 if ($deviceid =~ m/^(net)(\d+)$/) {
2801 qemu_devicedel
($vmid, $deviceid);
2802 return undef if !qemu_devicedelverify
($vmid, $deviceid);
2803 return undef if !qemu_netdevdel
($vmid, $deviceid);
2809 sub qemu_deviceadd
{
2810 my ($vmid, $devicefull) = @_;
2812 $devicefull = "driver=".$devicefull;
2813 my %options = split(/[=,]/, $devicefull);
2815 vm_mon_cmd
($vmid, "device_add" , %options);
2819 sub qemu_devicedel
{
2820 my($vmid, $deviceid) = @_;
2821 my $ret = vm_mon_cmd
($vmid, "device_del", id
=> $deviceid);
2826 my($storecfg, $vmid, $device) = @_;
2828 my $drive = print_drive_full
($storecfg, $vmid, $device);
2829 my $ret = vm_human_monitor_command
($vmid, "drive_add auto $drive");
2830 # If the command succeeds qemu prints: "OK"
2831 if ($ret !~ m/OK/s) {
2832 syslog
("err", "adding drive failed: $ret");
2839 my($vmid, $deviceid) = @_;
2841 my $ret = vm_human_monitor_command
($vmid, "drive_del drive-$deviceid");
2843 if ($ret =~ m/Device \'.*?\' not found/s) {
2844 # NB: device not found errors mean the drive was auto-deleted and we ignore the error
2846 elsif ($ret ne "") {
2847 syslog
("err", "deleting drive $deviceid failed : $ret");
2853 sub qemu_deviceaddverify
{
2854 my ($vmid,$deviceid) = @_;
2856 for (my $i = 0; $i <= 5; $i++) {
2857 my $devices_list = vm_devices_list
($vmid);
2858 return 1 if defined($devices_list->{$deviceid});
2861 syslog
("err", "error on hotplug device $deviceid");
2866 sub qemu_devicedelverify
{
2867 my ($vmid,$deviceid) = @_;
2869 #need to verify the device is correctly remove as device_del is async and empty return is not reliable
2870 for (my $i = 0; $i <= 5; $i++) {
2871 my $devices_list = vm_devices_list
($vmid);
2872 return 1 if !defined($devices_list->{$deviceid});
2875 syslog
("err", "error on hot-unplugging device $deviceid");
2879 sub qemu_findorcreatescsihw
{
2880 my ($storecfg, $conf, $vmid, $device) = @_;
2882 my $maxdev = ($conf->{scsihw
} && ($conf->{scsihw
} !~ m/^lsi/)) ?
256 : 7;
2883 my $controller = int($device->{index} / $maxdev);
2884 my $scsihwid="scsihw$controller";
2885 my $devices_list = vm_devices_list
($vmid);
2887 if(!defined($devices_list->{$scsihwid})) {
2888 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $scsihwid);
2893 sub qemu_bridgeadd
{
2894 my ($storecfg, $conf, $vmid, $device) = @_;
2897 my $bridgeid = undef;
2898 print_pci_addr
($device, $bridges);
2900 while (my ($k, $v) = each %$bridges) {
2903 return if !$bridgeid || $bridgeid < 1;
2904 my $bridge = "pci.$bridgeid";
2905 my $devices_list = vm_devices_list
($vmid);
2907 if(!defined($devices_list->{$bridge})) {
2908 return undef if !vm_deviceplug
($storecfg, $conf, $vmid, $bridge);
2913 sub qemu_netdevadd
{
2914 my ($vmid, $conf, $device, $deviceid) = @_;
2916 my $netdev = print_netdev_full
($vmid, $conf, $device, $deviceid);
2917 my %options = split(/[=,]/, $netdev);
2919 vm_mon_cmd
($vmid, "netdev_add", %options);
2923 sub qemu_netdevdel
{
2924 my ($vmid, $deviceid) = @_;
2926 vm_mon_cmd
($vmid, "netdev_del", id
=> $deviceid);
2930 sub qemu_block_set_io_throttle
{
2931 my ($vmid, $deviceid, $bps, $bps_rd, $bps_wr, $iops, $iops_rd, $iops_wr) = @_;
2933 return if !check_running
($vmid) ;
2935 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($iops_wr));
2939 # old code, only used to shutdown old VM after update
2941 my ($fh, $timeout) = @_;
2943 my $sel = new IO
::Select
;
2950 while (scalar (@ready = $sel->can_read($timeout))) {
2952 if ($count = $fh->sysread($buf, 8192)) {
2953 if ($buf =~ /^(.*)\(qemu\) $/s) {
2960 if (!defined($count)) {
2967 die "monitor read timeout\n" if !scalar(@ready);
2972 # old code, only used to shutdown old VM after update
2973 sub vm_monitor_command
{
2974 my ($vmid, $cmdstr, $nocheck) = @_;
2979 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
2981 my $sname = "${var_run_tmpdir}/$vmid.mon";
2983 my $sock = IO
::Socket
::UNIX-
>new( Peer
=> $sname ) ||
2984 die "unable to connect to VM $vmid socket - $!\n";
2988 # hack: migrate sometime blocks the monitor (when migrate_downtime
2990 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
2991 $timeout = 60*60; # 1 hour
2995 my $data = __read_avail
($sock, $timeout);
2997 if ($data !~ m/^QEMU\s+(\S+)\s+monitor\s/) {
2998 die "got unexpected qemu monitor banner\n";
3001 my $sel = new IO
::Select
;
3004 if (!scalar(my @ready = $sel->can_write($timeout))) {
3005 die "monitor write error - timeout";
3008 my $fullcmd = "$cmdstr\r";
3010 # syslog('info', "VM $vmid monitor command: $cmdstr");
3013 if (!($b = $sock->syswrite($fullcmd)) || ($b != length($fullcmd))) {
3014 die "monitor write error - $!";
3017 return if ($cmdstr eq 'q') || ($cmdstr eq 'quit');
3021 if ($cmdstr =~ m/^(info\s+migrate|migrate\s)/) {
3022 $timeout = 60*60; # 1 hour
3023 } elsif ($cmdstr =~ m/^(eject|change)/) {
3024 $timeout = 60; # note: cdrom mount command is slow
3026 if ($res = __read_avail
($sock, $timeout)) {
3028 my @lines = split("\r?\n", $res);
3030 shift @lines if $lines[0] !~ m/^unknown command/; # skip echo
3032 $res = join("\n", @lines);
3040 syslog
("err", "VM $vmid monitor command failed - $err");
3047 sub qemu_block_resize
{
3048 my ($vmid, $deviceid, $storecfg, $volid, $size) = @_;
3050 my $running = check_running
($vmid);
3052 return if !PVE
::Storage
::volume_resize
($storecfg, $volid, $size, $running);
3054 return if !$running;
3056 vm_mon_cmd
($vmid, "block_resize", device
=> $deviceid, size
=> int($size));
3060 sub qemu_volume_snapshot
{
3061 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3063 my $running = check_running
($vmid);
3065 return if !PVE
::Storage
::volume_snapshot
($storecfg, $volid, $snap, $running);
3067 return if !$running;
3069 vm_mon_cmd
($vmid, "snapshot-drive", device
=> $deviceid, name
=> $snap);
3073 sub qemu_volume_snapshot_delete
{
3074 my ($vmid, $deviceid, $storecfg, $volid, $snap) = @_;
3076 my $running = check_running
($vmid);
3078 return if !PVE
::Storage
::volume_snapshot_delete
($storecfg, $volid, $snap, $running);
3080 return if !$running;
3082 vm_mon_cmd
($vmid, "delete-drive-snapshot", device
=> $deviceid, name
=> $snap);
3088 #need to impplement call to qemu-ga
3091 sub qga_unfreezefs
{
3094 #need to impplement call to qemu-ga
3098 my ($storecfg, $vmid, $statefile, $skiplock, $migratedfrom, $paused, $forcemachine, $spice_ticket) = @_;
3100 lock_config
($vmid, sub {
3101 my $conf = load_config
($vmid, $migratedfrom);
3103 die "you can't start a vm if it's a template\n" if is_template
($conf);
3105 check_lock
($conf) if !$skiplock;
3107 die "VM $vmid already running\n" if check_running
($vmid, undef, $migratedfrom);
3109 my $defaults = load_defaults
();
3111 # set environment variable useful inside network script
3112 $ENV{PVE_MIGRATED_FROM
} = $migratedfrom if $migratedfrom;
3114 my ($cmd, $vollist, $spice_port) = config_to_command
($storecfg, $vmid, $conf, $defaults, $forcemachine);
3116 my $migrate_port = 0;
3119 if ($statefile eq 'tcp') {
3120 my $localip = "localhost";
3121 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
3122 if ($datacenterconf->{migration_unsecure
}) {
3123 my $nodename = PVE
::INotify
::nodename
();
3124 $localip = PVE
::Cluster
::remote_node_ip
($nodename, 1);
3126 $migrate_port = PVE
::Tools
::next_migrate_port
();
3127 $migrate_uri = "tcp:${localip}:${migrate_port}";
3128 push @$cmd, '-incoming', $migrate_uri;
3131 push @$cmd, '-loadstate', $statefile;
3138 for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
3139 my $d = parse_hostpci
($conf->{"hostpci$i"});
3141 my $info = pci_device_info
("0000:$d->{pciid}");
3142 die "IOMMU not present\n" if !check_iommu_support
();
3143 die "no pci device info for device '$d->{pciid}'\n" if !$info;
3144 die "can't unbind pci device '$d->{pciid}'\n" if !pci_dev_bind_to_stub
($info);
3145 die "can't reset pci device '$d->{pciid}'\n" if !pci_dev_reset
($info);
3148 PVE
::Storage
::activate_volumes
($storecfg, $vollist);
3150 eval { run_command
($cmd, timeout
=> $statefile ?
undef : 30,
3153 die "start failed: $err" if $err;
3155 print "migration listens on $migrate_uri\n" if $migrate_uri;
3157 if ($statefile && $statefile ne 'tcp') {
3158 eval { vm_mon_cmd_nocheck
($vmid, "cont"); };
3162 if ($migratedfrom) {
3163 my $capabilities = {};
3164 $capabilities->{capability
} = "xbzrle";
3165 $capabilities->{state} = JSON
::true
;
3166 eval { vm_mon_cmd_nocheck
($vmid, "migrate-set-capabilities", capabilities
=> [$capabilities]); };
3170 print "spice listens on port $spice_port\n";
3171 if ($spice_ticket) {
3172 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "set_password", protocol
=> 'spice', password
=> $spice_ticket);
3173 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "expire_password", protocol
=> 'spice', time => "+30");
3179 if (!$statefile && (!defined($conf->{balloon
}) || $conf->{balloon
})) {
3180 vm_mon_cmd_nocheck
($vmid, "balloon", value
=> $conf->{balloon
}*1024*1024)
3181 if $conf->{balloon
};
3182 vm_mon_cmd_nocheck
($vmid, 'qom-set',
3183 path
=> "machine/peripheral/balloon0",
3184 property
=> "guest-stats-polling-interval",
3192 my ($vmid, $execute, %params) = @_;
3194 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3195 vm_qmp_command
($vmid, $cmd);
3198 sub vm_mon_cmd_nocheck
{
3199 my ($vmid, $execute, %params) = @_;
3201 my $cmd = { execute
=> $execute, arguments
=> \
%params };
3202 vm_qmp_command
($vmid, $cmd, 1);
3205 sub vm_qmp_command
{
3206 my ($vmid, $cmd, $nocheck) = @_;
3211 if ($cmd->{arguments
} && $cmd->{arguments
}->{timeout
}) {
3212 $timeout = $cmd->{arguments
}->{timeout
};
3213 delete $cmd->{arguments
}->{timeout
};
3217 die "VM $vmid not running\n" if !check_running
($vmid, $nocheck);
3218 my $sname = qmp_socket
($vmid);
3220 my $qmpclient = PVE
::QMPClient-
>new();
3222 $res = $qmpclient->cmd($vmid, $cmd, $timeout);
3223 } elsif (-e
"${var_run_tmpdir}/$vmid.mon") {
3224 die "can't execute complex command on old monitor - stop/start your vm to fix the problem\n"
3225 if scalar(%{$cmd->{arguments
}});
3226 vm_monitor_command
($vmid, $cmd->{execute
}, $nocheck);
3228 die "unable to open monitor socket\n";
3232 syslog
("err", "VM $vmid qmp command failed - $err");
3239 sub vm_human_monitor_command
{
3240 my ($vmid, $cmdline) = @_;
3245 execute
=> 'human-monitor-command',
3246 arguments
=> { 'command-line' => $cmdline},
3249 return vm_qmp_command
($vmid, $cmd);
3252 sub vm_commandline
{
3253 my ($storecfg, $vmid) = @_;
3255 my $conf = load_config
($vmid);
3257 my $defaults = load_defaults
();
3259 my $cmd = config_to_command
($storecfg, $vmid, $conf, $defaults);
3261 return join(' ', @$cmd);
3265 my ($vmid, $skiplock) = @_;
3267 lock_config
($vmid, sub {
3269 my $conf = load_config
($vmid);
3271 check_lock
($conf) if !$skiplock;
3273 vm_mon_cmd
($vmid, "system_reset");
3277 sub get_vm_volumes
{
3281 foreach_volid
($conf, sub {
3282 my ($volid, $is_cdrom) = @_;
3284 return if $volid =~ m
|^/|;
3286 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
3289 push @$vollist, $volid;
3295 sub vm_stop_cleanup
{
3296 my ($storecfg, $vmid, $conf, $keepActive) = @_;
3299 fairsched_rmnod
($vmid); # try to destroy group
3302 my $vollist = get_vm_volumes
($conf);
3303 PVE
::Storage
::deactivate_volumes
($storecfg, $vollist);
3306 foreach my $ext (qw(mon qmp pid vnc qga)) {
3307 unlink "/var/run/qemu-server/${vmid}.$ext";
3310 warn $@ if $@; # avoid errors - just warn
3313 # Note: use $nockeck to skip tests if VM configuration file exists.
3314 # We need that when migration VMs to other nodes (files already moved)
3315 # Note: we set $keepActive in vzdump stop mode - volumes need to stay active
3317 my ($storecfg, $vmid, $skiplock, $nocheck, $timeout, $shutdown, $force, $keepActive, $migratedfrom) = @_;
3319 $force = 1 if !defined($force) && !$shutdown;
3322 my $pid = check_running
($vmid, $nocheck, $migratedfrom);
3323 kill 15, $pid if $pid;
3324 my $conf = load_config
($vmid, $migratedfrom);
3325 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive);
3329 lock_config
($vmid, sub {
3331 my $pid = check_running
($vmid, $nocheck);
3336 $conf = load_config
($vmid);
3337 check_lock
($conf) if !$skiplock;
3338 if (!defined($timeout) && $shutdown && $conf->{startup
}) {
3339 my $opts = parse_startup
($conf->{startup
});
3340 $timeout = $opts->{down
} if $opts->{down
};
3344 $timeout = 60 if !defined($timeout);
3348 $nocheck ? vm_mon_cmd_nocheck
($vmid, "system_powerdown") : vm_mon_cmd
($vmid, "system_powerdown");
3351 $nocheck ? vm_mon_cmd_nocheck
($vmid, "quit") : vm_mon_cmd
($vmid, "quit");
3358 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3363 if ($count >= $timeout) {
3365 warn "VM still running - terminating now with SIGTERM\n";
3368 die "VM quit/powerdown failed - got timeout\n";
3371 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3376 warn "VM quit/powerdown failed - terminating now with SIGTERM\n";
3379 die "VM quit/powerdown failed\n";
3387 while (($count < $timeout) && check_running
($vmid, $nocheck)) {
3392 if ($count >= $timeout) {
3393 warn "VM still running - terminating now with SIGKILL\n";
3398 vm_stop_cleanup
($storecfg, $vmid, $conf, $keepActive) if $conf;
3403 my ($vmid, $skiplock) = @_;
3405 lock_config
($vmid, sub {
3407 my $conf = load_config
($vmid);
3409 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3411 vm_mon_cmd
($vmid, "stop");
3416 my ($vmid, $skiplock) = @_;
3418 lock_config
($vmid, sub {
3420 my $conf = load_config
($vmid);
3422 check_lock
($conf) if !($skiplock || ($conf->{lock} && $conf->{lock} eq 'backup'));
3424 vm_mon_cmd
($vmid, "cont");
3429 my ($vmid, $skiplock, $key) = @_;
3431 lock_config
($vmid, sub {
3433 my $conf = load_config
($vmid);
3435 # there is no qmp command, so we use the human monitor command
3436 vm_human_monitor_command
($vmid, "sendkey $key");
3441 my ($storecfg, $vmid, $skiplock) = @_;
3443 lock_config
($vmid, sub {
3445 my $conf = load_config
($vmid);
3447 check_lock
($conf) if !$skiplock;
3449 if (!check_running
($vmid)) {
3450 fairsched_rmnod
($vmid); # try to destroy group
3451 destroy_vm
($storecfg, $vmid);
3453 die "VM $vmid is running - destroy failed\n";
3461 my ($filename, $buf) = @_;
3463 my $fh = IO
::File-
>new($filename, "w");
3464 return undef if !$fh;
3466 my $res = print $fh $buf;
3473 sub pci_device_info
{
3478 return undef if $name !~ m/^([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])$/;
3479 my ($domain, $bus, $slot, $func) = ($1, $2, $3, $4);
3481 my $irq = file_read_firstline
("$pcisysfs/devices/$name/irq");
3482 return undef if !defined($irq) || $irq !~ m/^\d+$/;
3484 my $vendor = file_read_firstline
("$pcisysfs/devices/$name/vendor");
3485 return undef if !defined($vendor) || $vendor !~ s/^0x//;
3487 my $product = file_read_firstline
("$pcisysfs/devices/$name/device");
3488 return undef if !defined($product) || $product !~ s/^0x//;
3493 product
=> $product,
3499 has_fl_reset
=> -f
"$pcisysfs/devices/$name/reset" || 0,
3508 my $name = $dev->{name
};
3510 my $fn = "$pcisysfs/devices/$name/reset";
3512 return file_write
($fn, "1");
3515 sub pci_dev_bind_to_stub
{
3518 my $name = $dev->{name
};
3520 my $testdir = "$pcisysfs/drivers/pci-stub/$name";
3521 return 1 if -d
$testdir;
3523 my $data = "$dev->{vendor} $dev->{product}";
3524 return undef if !file_write
("$pcisysfs/drivers/pci-stub/new_id", $data);
3526 my $fn = "$pcisysfs/devices/$name/driver/unbind";
3527 if (!file_write
($fn, $name)) {
3528 return undef if -f
$fn;
3531 $fn = "$pcisysfs/drivers/pci-stub/bind";
3532 if (! -d
$testdir) {
3533 return undef if !file_write
($fn, $name);
3539 sub print_pci_addr
{
3540 my ($id, $bridges) = @_;
3544 piix3
=> { bus
=> 0, addr
=> 1 },
3545 #addr2 : first videocard
3546 balloon0
=> { bus
=> 0, addr
=> 3 },
3547 watchdog
=> { bus
=> 0, addr
=> 4 },
3548 scsihw0
=> { bus
=> 0, addr
=> 5 },
3549 scsihw1
=> { bus
=> 0, addr
=> 6 },
3550 ahci0
=> { bus
=> 0, addr
=> 7 },
3551 qga0
=> { bus
=> 0, addr
=> 8 },
3552 spice
=> { bus
=> 0, addr
=> 9 },
3553 virtio0
=> { bus
=> 0, addr
=> 10 },
3554 virtio1
=> { bus
=> 0, addr
=> 11 },
3555 virtio2
=> { bus
=> 0, addr
=> 12 },
3556 virtio3
=> { bus
=> 0, addr
=> 13 },
3557 virtio4
=> { bus
=> 0, addr
=> 14 },
3558 virtio5
=> { bus
=> 0, addr
=> 15 },
3559 hostpci0
=> { bus
=> 0, addr
=> 16 },
3560 hostpci1
=> { bus
=> 0, addr
=> 17 },
3561 net0
=> { bus
=> 0, addr
=> 18 },
3562 net1
=> { bus
=> 0, addr
=> 19 },
3563 net2
=> { bus
=> 0, addr
=> 20 },
3564 net3
=> { bus
=> 0, addr
=> 21 },
3565 net4
=> { bus
=> 0, addr
=> 22 },
3566 net5
=> { bus
=> 0, addr
=> 23 },
3567 vga1
=> { bus
=> 0, addr
=> 24 },
3568 vga2
=> { bus
=> 0, addr
=> 25 },
3569 vga3
=> { bus
=> 0, addr
=> 26 },
3570 #addr29 : usb-host (pve-usb.cfg)
3571 'pci.1' => { bus
=> 0, addr
=> 30 },
3572 'pci.2' => { bus
=> 0, addr
=> 31 },
3573 'net6' => { bus
=> 1, addr
=> 1 },
3574 'net7' => { bus
=> 1, addr
=> 2 },
3575 'net8' => { bus
=> 1, addr
=> 3 },
3576 'net9' => { bus
=> 1, addr
=> 4 },
3577 'net10' => { bus
=> 1, addr
=> 5 },
3578 'net11' => { bus
=> 1, addr
=> 6 },
3579 'net12' => { bus
=> 1, addr
=> 7 },
3580 'net13' => { bus
=> 1, addr
=> 8 },
3581 'net14' => { bus
=> 1, addr
=> 9 },
3582 'net15' => { bus
=> 1, addr
=> 10 },
3583 'net16' => { bus
=> 1, addr
=> 11 },
3584 'net17' => { bus
=> 1, addr
=> 12 },
3585 'net18' => { bus
=> 1, addr
=> 13 },
3586 'net19' => { bus
=> 1, addr
=> 14 },
3587 'net20' => { bus
=> 1, addr
=> 15 },
3588 'net21' => { bus
=> 1, addr
=> 16 },
3589 'net22' => { bus
=> 1, addr
=> 17 },
3590 'net23' => { bus
=> 1, addr
=> 18 },
3591 'net24' => { bus
=> 1, addr
=> 19 },
3592 'net25' => { bus
=> 1, addr
=> 20 },
3593 'net26' => { bus
=> 1, addr
=> 21 },
3594 'net27' => { bus
=> 1, addr
=> 22 },
3595 'net28' => { bus
=> 1, addr
=> 23 },
3596 'net29' => { bus
=> 1, addr
=> 24 },
3597 'net30' => { bus
=> 1, addr
=> 25 },
3598 'net31' => { bus
=> 1, addr
=> 26 },
3599 'virtio6' => { bus
=> 2, addr
=> 1 },
3600 'virtio7' => { bus
=> 2, addr
=> 2 },
3601 'virtio8' => { bus
=> 2, addr
=> 3 },
3602 'virtio9' => { bus
=> 2, addr
=> 4 },
3603 'virtio10' => { bus
=> 2, addr
=> 5 },
3604 'virtio11' => { bus
=> 2, addr
=> 6 },
3605 'virtio12' => { bus
=> 2, addr
=> 7 },
3606 'virtio13' => { bus
=> 2, addr
=> 8 },
3607 'virtio14' => { bus
=> 2, addr
=> 9 },
3608 'virtio15' => { bus
=> 2, addr
=> 10 },
3611 if (defined($devices->{$id}->{bus
}) && defined($devices->{$id}->{addr
})) {
3612 my $addr = sprintf("0x%x", $devices->{$id}->{addr
});
3613 my $bus = $devices->{$id}->{bus
};
3614 $res = ",bus=pci.$bus,addr=$addr";
3615 $bridges->{$bus} = 1 if $bridges;
3621 # vzdump restore implementaion
3623 sub tar_archive_read_firstfile
{
3624 my $archive = shift;
3626 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
3628 # try to detect archive type first
3629 my $pid = open (TMP
, "tar tf '$archive'|") ||
3630 die "unable to open file '$archive'\n";
3631 my $firstfile = <TMP
>;
3635 die "ERROR: archive contaions no data\n" if !$firstfile;
3641 sub tar_restore_cleanup
{
3642 my ($storecfg, $statfile) = @_;
3644 print STDERR
"starting cleanup\n";
3646 if (my $fd = IO
::File-
>new($statfile, "r")) {
3647 while (defined(my $line = <$fd>)) {
3648 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
3651 if ($volid =~ m
|^/|) {
3652 unlink $volid || die 'unlink failed\n';
3654 PVE
::Storage
::vdisk_free
($storecfg, $volid);
3656 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
3658 print STDERR
"unable to cleanup '$volid' - $@" if $@;
3660 print STDERR
"unable to parse line in statfile - $line";
3667 sub restore_archive
{
3668 my ($archive, $vmid, $user, $opts) = @_;
3670 my $format = $opts->{format
};
3673 if ($archive =~ m/\.tgz$/ || $archive =~ m/\.tar\.gz$/) {
3674 $format = 'tar' if !$format;
3676 } elsif ($archive =~ m/\.tar$/) {
3677 $format = 'tar' if !$format;
3678 } elsif ($archive =~ m/.tar.lzo$/) {
3679 $format = 'tar' if !$format;
3681 } elsif ($archive =~ m/\.vma$/) {
3682 $format = 'vma' if !$format;
3683 } elsif ($archive =~ m/\.vma\.gz$/) {
3684 $format = 'vma' if !$format;
3686 } elsif ($archive =~ m/\.vma\.lzo$/) {
3687 $format = 'vma' if !$format;
3690 $format = 'vma' if !$format; # default
3693 # try to detect archive format
3694 if ($format eq 'tar') {
3695 return restore_tar_archive
($archive, $vmid, $user, $opts);
3697 return restore_vma_archive
($archive, $vmid, $user, $opts, $comp);
3701 sub restore_update_config_line
{
3702 my ($outfd, $cookie, $vmid, $map, $line, $unique) = @_;
3704 return if $line =~ m/^\#qmdump\#/;
3705 return if $line =~ m/^\#vzdump\#/;
3706 return if $line =~ m/^lock:/;
3707 return if $line =~ m/^unused\d+:/;
3708 return if $line =~ m/^parent:/;
3709 return if $line =~ m/^template:/; # restored VM is never a template
3711 if (($line =~ m/^(vlan(\d+)):\s*(\S+)\s*$/)) {
3712 # try to convert old 1.X settings
3713 my ($id, $ind, $ethcfg) = ($1, $2, $3);
3714 foreach my $devconfig (PVE
::Tools
::split_list
($ethcfg)) {
3715 my ($model, $macaddr) = split(/\=/, $devconfig);
3716 $macaddr = PVE
::Tools
::random_ether_addr
() if !$macaddr || $unique;
3719 bridge
=> "vmbr$ind",
3720 macaddr
=> $macaddr,
3722 my $netstr = print_net
($net);
3724 print $outfd "net$cookie->{netcount}: $netstr\n";
3725 $cookie->{netcount
}++;
3727 } elsif (($line =~ m/^(net\d+):\s*(\S+)\s*$/) && $unique) {
3728 my ($id, $netstr) = ($1, $2);
3729 my $net = parse_net
($netstr);
3730 $net->{macaddr
} = PVE
::Tools
::random_ether_addr
() if $net->{macaddr
};
3731 $netstr = print_net
($net);
3732 print $outfd "$id: $netstr\n";
3733 } elsif ($line =~ m/^((ide|scsi|virtio|sata)\d+):\s*(\S+)\s*$/) {
3736 if ($line =~ m/backup=no/) {
3737 print $outfd "#$line";
3738 } elsif ($virtdev && $map->{$virtdev}) {
3739 my $di = parse_drive
($virtdev, $value);
3740 delete $di->{format
}; # format can change on restore
3741 $di->{file
} = $map->{$virtdev};
3742 $value = print_drive
($vmid, $di);
3743 print $outfd "$virtdev: $value\n";
3753 my ($cfg, $vmid) = @_;
3755 my $info = PVE
::Storage
::vdisk_list
($cfg, undef, $vmid);
3757 my $volid_hash = {};
3758 foreach my $storeid (keys %$info) {
3759 foreach my $item (@{$info->{$storeid}}) {
3760 next if !($item->{volid
} && $item->{size
});
3761 $item->{path
} = PVE
::Storage
::path
($cfg, $item->{volid
});
3762 $volid_hash->{$item->{volid
}} = $item;
3769 sub get_used_paths
{
3770 my ($vmid, $storecfg, $conf, $scan_snapshots, $skip_drive) = @_;
3774 my $scan_config = sub {
3775 my ($cref, $snapname) = @_;
3777 foreach my $key (keys %$cref) {
3778 my $value = $cref->{$key};
3779 if (valid_drivename
($key)) {
3780 next if $skip_drive && $key eq $skip_drive;
3781 my $drive = parse_drive
($key, $value);
3782 next if !$drive || !$drive->{file
} || drive_is_cdrom
($drive);
3783 if ($drive->{file
} =~ m!^/!) {
3784 $used_path->{$drive->{file
}}++; # = 1;
3786 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
}, 1);
3788 my $scfg = PVE
::Storage
::storage_config
($storecfg, $storeid, 1);
3790 my $path = PVE
::Storage
::path
($storecfg, $drive->{file
}, $snapname);
3791 $used_path->{$path}++; # = 1;
3797 &$scan_config($conf);
3801 if ($scan_snapshots) {
3802 foreach my $snapname (keys %{$conf->{snapshots
}}) {
3803 &$scan_config($conf->{snapshots
}->{$snapname}, $snapname);
3810 sub update_disksize
{
3811 my ($vmid, $conf, $volid_hash) = @_;
3817 # Note: it is allowed to define multiple storages with same path (alias), so
3818 # we need to check both 'volid' and real 'path' (two different volid can point
3819 # to the same path).
3824 foreach my $opt (keys %$conf) {
3825 if (valid_drivename
($opt)) {
3826 my $drive = parse_drive
($opt, $conf->{$opt});
3827 my $volid = $drive->{file
};
3830 $used->{$volid} = 1;
3831 if ($volid_hash->{$volid} &&
3832 (my $path = $volid_hash->{$volid}->{path
})) {
3833 $usedpath->{$path} = 1;
3836 next if drive_is_cdrom
($drive);
3837 next if !$volid_hash->{$volid};
3839 $drive->{size
} = $volid_hash->{$volid}->{size
};
3840 my $new = print_drive
($vmid, $drive);
3841 if ($new ne $conf->{$opt}) {
3843 $conf->{$opt} = $new;
3848 # remove 'unusedX' entry if volume is used
3849 foreach my $opt (keys %$conf) {
3850 next if $opt !~ m/^unused\d+$/;
3851 my $volid = $conf->{$opt};
3852 my $path = $volid_hash->{$volid}->{path
} if $volid_hash->{$volid};
3853 if ($used->{$volid} || ($path && $usedpath->{$path})) {
3855 delete $conf->{$opt};
3859 foreach my $volid (sort keys %$volid_hash) {
3860 next if $volid =~ m/vm-$vmid-state-/;
3861 next if $used->{$volid};
3862 my $path = $volid_hash->{$volid}->{path
};
3863 next if !$path; # just to be sure
3864 next if $usedpath->{$path};
3866 add_unused_volume
($conf, $volid);
3867 $usedpath->{$path} = 1; # avoid to add more than once (aliases)
3874 my ($vmid, $nolock) = @_;
3876 my $cfg = PVE
::Cluster
::cfs_read_file
("storage.cfg");
3878 my $volid_hash = scan_volids
($cfg, $vmid);
3880 my $updatefn = sub {
3883 my $conf = load_config
($vmid);
3888 foreach my $volid (keys %$volid_hash) {
3889 my $info = $volid_hash->{$volid};
3890 $vm_volids->{$volid} = $info if $info->{vmid
} && $info->{vmid
} == $vmid;
3893 my $changes = update_disksize
($vmid, $conf, $vm_volids);
3895 update_config_nolock
($vmid, $conf, 1) if $changes;
3898 if (defined($vmid)) {
3902 lock_config
($vmid, $updatefn, $vmid);
3905 my $vmlist = config_list
();
3906 foreach my $vmid (keys %$vmlist) {
3910 lock_config
($vmid, $updatefn, $vmid);
3916 sub restore_vma_archive
{
3917 my ($archive, $vmid, $user, $opts, $comp) = @_;
3919 my $input = $archive eq '-' ?
"<&STDIN" : undef;
3920 my $readfrom = $archive;
3925 my $qarchive = PVE
::Tools
::shellquote
($archive);
3926 if ($comp eq 'gzip') {
3927 $uncomp = "zcat $qarchive|";
3928 } elsif ($comp eq 'lzop') {
3929 $uncomp = "lzop -d -c $qarchive|";
3931 die "unknown compression method '$comp'\n";
3936 my $tmpdir = "/var/tmp/vzdumptmp$$";
3939 # disable interrupts (always do cleanups)
3940 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
3941 warn "got interrupt - ignored\n";
3944 my $mapfifo = "/var/tmp/vzdumptmp$$.fifo";
3945 POSIX
::mkfifo
($mapfifo, 0600);
3948 my $openfifo = sub {
3949 open($fifofh, '>', $mapfifo) || die $!;
3952 my $cmd = "${uncomp}vma extract -v -r $mapfifo $readfrom $tmpdir";
3959 my $rpcenv = PVE
::RPCEnvironment
::get
();
3961 my $conffile = config_file
($vmid);
3962 my $tmpfn = "$conffile.$$.tmp";
3964 # Note: $oldconf is undef if VM does not exists
3965 my $oldconf = PVE
::Cluster
::cfs_read_file
(cfs_config_path
($vmid));
3967 my $print_devmap = sub {
3968 my $virtdev_hash = {};
3970 my $cfgfn = "$tmpdir/qemu-server.conf";
3972 # we can read the config - that is already extracted
3973 my $fh = IO
::File-
>new($cfgfn, "r") ||
3974 "unable to read qemu-server.conf - $!\n";
3976 while (defined(my $line = <$fh>)) {
3977 if ($line =~ m/^\#qmdump\#map:(\S+):(\S+):(\S*):(\S*):$/) {
3978 my ($virtdev, $devname, $storeid, $format) = ($1, $2, $3, $4);
3979 die "archive does not contain data for drive '$virtdev'\n"
3980 if !$devinfo->{$devname};
3981 if (defined($opts->{storage
})) {
3982 $storeid = $opts->{storage
} || 'local';
3983 } elsif (!$storeid) {
3986 $format = 'raw' if !$format;
3987 $devinfo->{$devname}->{devname
} = $devname;
3988 $devinfo->{$devname}->{virtdev
} = $virtdev;
3989 $devinfo->{$devname}->{format
} = $format;
3990 $devinfo->{$devname}->{storeid
} = $storeid;
3992 # check permission on storage
3993 my $pool = $opts->{pool
}; # todo: do we need that?
3994 if ($user ne 'root@pam') {
3995 $rpcenv->check($user, "/storage/$storeid", ['Datastore.AllocateSpace']);
3998 $virtdev_hash->{$virtdev} = $devinfo->{$devname};
4002 foreach my $devname (keys %$devinfo) {
4003 die "found no device mapping information for device '$devname'\n"
4004 if !$devinfo->{$devname}->{virtdev
};
4007 my $cfg = cfs_read_file
('storage.cfg');
4009 # create empty/temp config
4011 PVE
::Tools
::file_set_contents
($conffile, "memory: 128\n");
4012 foreach_drive
($oldconf, sub {
4013 my ($ds, $drive) = @_;
4015 return if drive_is_cdrom
($drive);
4017 my $volid = $drive->{file
};
4019 return if !$volid || $volid =~ m
|^/|;
4021 my ($path, $owner) = PVE
::Storage
::path
($cfg, $volid);
4022 return if !$path || !$owner || ($owner != $vmid);
4024 # Note: only delete disk we want to restore
4025 # other volumes will become unused
4026 if ($virtdev_hash->{$ds}) {
4027 PVE
::Storage
::vdisk_free
($cfg, $volid);
4033 foreach my $virtdev (sort keys %$virtdev_hash) {
4034 my $d = $virtdev_hash->{$virtdev};
4035 my $alloc_size = int(($d->{size
} + 1024 - 1)/1024);
4036 my $scfg = PVE
::Storage
::storage_config
($cfg, $d->{storeid
});
4038 # test if requested format is supported
4039 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($cfg, $d->{storeid
});
4040 my $supported = grep { $_ eq $d->{format
} } @$validFormats;
4041 $d->{format
} = $defFormat if !$supported;
4043 my $volid = PVE
::Storage
::vdisk_alloc
($cfg, $d->{storeid
}, $vmid,
4044 $d->{format
}, undef, $alloc_size);
4045 print STDERR
"new volume ID is '$volid'\n";
4046 $d->{volid
} = $volid;
4047 my $path = PVE
::Storage
::path
($cfg, $volid);
4049 my $write_zeros = 1;
4050 # fixme: what other storages types initialize volumes with zero?
4051 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs' || $scfg->{type
} eq 'glusterfs' ||
4052 $scfg->{type
} eq 'sheepdog' || $scfg->{type
} eq 'rbd') {
4056 print $fifofh "${write_zeros}:$d->{devname}=$path\n";
4058 print "map '$d->{devname}' to '$path' (write zeros = ${write_zeros})\n";
4059 $map->{$virtdev} = $volid;
4062 $fh->seek(0, 0) || die "seek failed - $!\n";
4064 my $outfd = new IO
::File
($tmpfn, "w") ||
4065 die "unable to write config for VM $vmid\n";
4067 my $cookie = { netcount
=> 0 };
4068 while (defined(my $line = <$fh>)) {
4069 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4078 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4079 die "interrupted by signal\n";
4081 local $SIG{ALRM
} = sub { die "got timeout\n"; };
4083 $oldtimeout = alarm($timeout);
4090 if ($line =~ m/^DEV:\sdev_id=(\d+)\ssize:\s(\d+)\sdevname:\s(\S+)$/) {
4091 my ($dev_id, $size, $devname) = ($1, $2, $3);
4092 $devinfo->{$devname} = { size
=> $size, dev_id
=> $dev_id };
4093 } elsif ($line =~ m/^CTIME: /) {
4095 print $fifofh "done\n";
4096 my $tmp = $oldtimeout || 0;
4097 $oldtimeout = undef;
4103 print "restore vma archive: $cmd\n";
4104 run_command
($cmd, input
=> $input, outfunc
=> $parser, afterfork
=> $openfifo);
4108 alarm($oldtimeout) if $oldtimeout;
4116 my $cfg = cfs_read_file
('storage.cfg');
4117 foreach my $devname (keys %$devinfo) {
4118 my $volid = $devinfo->{$devname}->{volid
};
4121 if ($volid =~ m
|^/|) {
4122 unlink $volid || die 'unlink failed\n';
4124 PVE
::Storage
::vdisk_free
($cfg, $volid);
4126 print STDERR
"temporary volume '$volid' sucessfuly removed\n";
4128 print STDERR
"unable to cleanup '$volid' - $@" if $@;
4135 rename($tmpfn, $conffile) ||
4136 die "unable to commit configuration file '$conffile'\n";
4138 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4140 eval { rescan
($vmid, 1); };
4144 sub restore_tar_archive
{
4145 my ($archive, $vmid, $user, $opts) = @_;
4147 if ($archive ne '-') {
4148 my $firstfile = tar_archive_read_firstfile
($archive);
4149 die "ERROR: file '$archive' dos not lock like a QemuServer vzdump backup\n"
4150 if $firstfile ne 'qemu-server.conf';
4153 my $storecfg = cfs_read_file
('storage.cfg');
4155 # destroy existing data - keep empty config
4156 my $vmcfgfn = PVE
::QemuServer
::config_file
($vmid);
4157 destroy_vm
($storecfg, $vmid, 1) if -f
$vmcfgfn;
4159 my $tocmd = "/usr/lib/qemu-server/qmextract";
4161 $tocmd .= " --storage " . PVE
::Tools
::shellquote
($opts->{storage
}) if $opts->{storage
};
4162 $tocmd .= " --pool " . PVE
::Tools
::shellquote
($opts->{pool
}) if $opts->{pool
};
4163 $tocmd .= ' --prealloc' if $opts->{prealloc
};
4164 $tocmd .= ' --info' if $opts->{info
};
4166 # tar option "xf" does not autodetect compression when read from STDIN,
4167 # so we pipe to zcat
4168 my $cmd = "zcat -f|tar xf " . PVE
::Tools
::shellquote
($archive) . " " .
4169 PVE
::Tools
::shellquote
("--to-command=$tocmd");
4171 my $tmpdir = "/var/tmp/vzdumptmp$$";
4174 local $ENV{VZDUMP_TMPDIR
} = $tmpdir;
4175 local $ENV{VZDUMP_VMID
} = $vmid;
4176 local $ENV{VZDUMP_USER
} = $user;
4178 my $conffile = config_file
($vmid);
4179 my $tmpfn = "$conffile.$$.tmp";
4181 # disable interrupts (always do cleanups)
4182 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = sub {
4183 print STDERR
"got interrupt - ignored\n";
4188 local $SIG{INT
} = $SIG{TERM
} = $SIG{QUIT
} = $SIG{HUP
} = $SIG{PIPE
} = sub {
4189 die "interrupted by signal\n";
4192 if ($archive eq '-') {
4193 print "extracting archive from STDIN\n";
4194 run_command
($cmd, input
=> "<&STDIN");
4196 print "extracting archive '$archive'\n";
4200 return if $opts->{info
};
4204 my $statfile = "$tmpdir/qmrestore.stat";
4205 if (my $fd = IO
::File-
>new($statfile, "r")) {
4206 while (defined (my $line = <$fd>)) {
4207 if ($line =~ m/vzdump:([^\s:]*):(\S+)$/) {
4208 $map->{$1} = $2 if $1;
4210 print STDERR
"unable to parse line in statfile - $line\n";
4216 my $confsrc = "$tmpdir/qemu-server.conf";
4218 my $srcfd = new IO
::File
($confsrc, "r") ||
4219 die "unable to open file '$confsrc'\n";
4221 my $outfd = new IO
::File
($tmpfn, "w") ||
4222 die "unable to write config for VM $vmid\n";
4224 my $cookie = { netcount
=> 0 };
4225 while (defined (my $line = <$srcfd>)) {
4226 restore_update_config_line
($outfd, $cookie, $vmid, $map, $line, $opts->{unique
});
4238 tar_restore_cleanup
($storecfg, "$tmpdir/qmrestore.stat") if !$opts->{info
};
4245 rename $tmpfn, $conffile ||
4246 die "unable to commit configuration file '$conffile'\n";
4248 PVE
::Cluster
::cfs_update
(); # make sure we read new file
4250 eval { rescan
($vmid, 1); };
4255 # Internal snapshots
4257 # NOTE: Snapshot create/delete involves several non-atomic
4258 # action, and can take a long time.
4259 # So we try to avoid locking the file and use 'lock' variable
4260 # inside the config file instead.
4262 my $snapshot_copy_config = sub {
4263 my ($source, $dest) = @_;
4265 foreach my $k (keys %$source) {
4266 next if $k eq 'snapshots';
4267 next if $k eq 'snapstate';
4268 next if $k eq 'snaptime';
4269 next if $k eq 'vmstate';
4270 next if $k eq 'lock';
4271 next if $k eq 'digest';
4272 next if $k eq 'description';
4273 next if $k =~ m/^unused\d+$/;
4275 $dest->{$k} = $source->{$k};
4279 my $snapshot_apply_config = sub {
4280 my ($conf, $snap) = @_;
4282 # copy snapshot list
4284 snapshots
=> $conf->{snapshots
},
4287 # keep description and list of unused disks
4288 foreach my $k (keys %$conf) {
4289 next if !($k =~ m/^unused\d+$/ || $k eq 'description');
4290 $newconf->{$k} = $conf->{$k};
4293 &$snapshot_copy_config($snap, $newconf);
4298 sub foreach_writable_storage
{
4299 my ($conf, $func) = @_;
4303 foreach my $ds (keys %$conf) {
4304 next if !valid_drivename
($ds);
4306 my $drive = parse_drive
($ds, $conf->{$ds});
4308 next if drive_is_cdrom
($drive);
4310 my $volid = $drive->{file
};
4312 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
4313 $sidhash->{$sid} = $sid if $sid;
4316 foreach my $sid (sort keys %$sidhash) {
4321 my $alloc_vmstate_volid = sub {
4322 my ($storecfg, $vmid, $conf, $snapname) = @_;
4324 # Note: we try to be smart when selecting a $target storage
4328 # search shared storage first
4329 foreach_writable_storage
($conf, sub {
4331 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4332 return if !$scfg->{shared
};
4334 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage
4338 # now search local storage
4339 foreach_writable_storage
($conf, sub {
4341 my $scfg = PVE
::Storage
::storage_config
($storecfg, $sid);
4342 return if $scfg->{shared
};
4344 $target = $sid if !$target || $scfg->{path
}; # prefer file based storage;
4348 $target = 'local' if !$target;
4350 my $driver_state_size = 500; # assume 32MB is enough to safe all driver state;
4351 # we abort live save after $conf->{memory}, so we need at max twice that space
4352 my $size = $conf->{memory
}*2 + $driver_state_size;
4354 my $name = "vm-$vmid-state-$snapname";
4355 my $scfg = PVE
::Storage
::storage_config
($storecfg, $target);
4356 $name .= ".raw" if $scfg->{path
}; # add filename extension for file base storage
4357 my $volid = PVE
::Storage
::vdisk_alloc
($storecfg, $target, $vmid, 'raw', $name, $size*1024);
4362 my $snapshot_prepare = sub {
4363 my ($vmid, $snapname, $save_vmstate, $comment) = @_;
4367 my $updatefn = sub {
4369 my $conf = load_config
($vmid);
4371 die "you can't take a snapshot if it's a template\n"
4372 if is_template
($conf);
4376 $conf->{lock} = 'snapshot';
4378 die "snapshot name '$snapname' already used\n"
4379 if defined($conf->{snapshots
}->{$snapname});
4381 my $storecfg = PVE
::Storage
::config
();
4382 die "snapshot feature is not available" if !has_feature
('snapshot', $conf, $storecfg);
4384 $snap = $conf->{snapshots
}->{$snapname} = {};
4386 if ($save_vmstate && check_running
($vmid)) {
4387 $snap->{vmstate
} = &$alloc_vmstate_volid($storecfg, $vmid, $conf, $snapname);
4390 &$snapshot_copy_config($conf, $snap);
4392 $snap->{snapstate
} = "prepare";
4393 $snap->{snaptime
} = time();
4394 $snap->{description
} = $comment if $comment;
4396 # always overwrite machine if we save vmstate. This makes sure we
4397 # can restore it later using correct machine type
4398 $snap->{machine
} = get_current_qemu_machine
($vmid) if $snap->{vmstate
};
4400 update_config_nolock
($vmid, $conf, 1);
4403 lock_config
($vmid, $updatefn);
4408 my $snapshot_commit = sub {
4409 my ($vmid, $snapname) = @_;
4411 my $updatefn = sub {
4413 my $conf = load_config
($vmid);
4415 die "missing snapshot lock\n"
4416 if !($conf->{lock} && $conf->{lock} eq 'snapshot');
4418 my $snap = $conf->{snapshots
}->{$snapname};
4420 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4422 die "wrong snapshot state\n"
4423 if !($snap->{snapstate
} && $snap->{snapstate
} eq "prepare");
4425 delete $snap->{snapstate
};
4426 delete $conf->{lock};
4428 my $newconf = &$snapshot_apply_config($conf, $snap);
4430 $newconf->{parent
} = $snapname;
4432 update_config_nolock
($vmid, $newconf, 1);
4435 lock_config
($vmid, $updatefn);
4438 sub snapshot_rollback
{
4439 my ($vmid, $snapname) = @_;
4445 my $storecfg = PVE
::Storage
::config
();
4447 my $updatefn = sub {
4449 my $conf = load_config
($vmid);
4451 die "you can't rollback if vm is a template\n" if is_template
($conf);
4453 $snap = $conf->{snapshots
}->{$snapname};
4455 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4457 die "unable to rollback to incomplete snapshot (snapstate = $snap->{snapstate})\n"
4458 if $snap->{snapstate
};
4462 vm_stop
($storecfg, $vmid, undef, undef, 5, undef, undef);
4465 die "unable to rollback vm $vmid: vm is running\n"
4466 if check_running
($vmid);
4469 $conf->{lock} = 'rollback';
4471 die "got wrong lock\n" if !($conf->{lock} && $conf->{lock} eq 'rollback');
4472 delete $conf->{lock};
4478 my $has_machine_config = defined($conf->{machine
});
4480 # copy snapshot config to current config
4481 $conf = &$snapshot_apply_config($conf, $snap);
4482 $conf->{parent
} = $snapname;
4484 # Note: old code did not store 'machine', so we try to be smart
4485 # and guess the snapshot was generated with kvm 1.4 (pc-i440fx-1.4).
4486 $forcemachine = $conf->{machine
} || 'pc-i440fx-1.4';
4487 # we remove the 'machine' configuration if not explicitly specified
4488 # in the original config.
4489 delete $conf->{machine
} if $snap->{vmstate
} && !$has_machine_config;
4492 update_config_nolock
($vmid, $conf, 1);
4494 if (!$prepare && $snap->{vmstate
}) {
4495 my $statefile = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4496 vm_start
($storecfg, $vmid, $statefile, undef, undef, undef, $forcemachine);
4500 lock_config
($vmid, $updatefn);
4502 foreach_drive
($snap, sub {
4503 my ($ds, $drive) = @_;
4505 return if drive_is_cdrom
($drive);
4507 my $volid = $drive->{file
};
4508 my $device = "drive-$ds";
4510 PVE
::Storage
::volume_snapshot_rollback
($storecfg, $volid, $snapname);
4514 lock_config
($vmid, $updatefn);
4517 my $savevm_wait = sub {
4521 my $stat = vm_mon_cmd_nocheck
($vmid, "query-savevm");
4522 if (!$stat->{status
}) {
4523 die "savevm not active\n";
4524 } elsif ($stat->{status
} eq 'active') {
4527 } elsif ($stat->{status
} eq 'completed') {
4530 die "query-savevm returned status '$stat->{status}'\n";
4535 sub snapshot_create
{
4536 my ($vmid, $snapname, $save_vmstate, $freezefs, $comment) = @_;
4538 my $snap = &$snapshot_prepare($vmid, $snapname, $save_vmstate, $comment);
4540 $freezefs = $save_vmstate = 0 if !$snap->{vmstate
}; # vm is not running
4544 my $running = check_running
($vmid);
4547 # create internal snapshots of all drives
4549 my $storecfg = PVE
::Storage
::config
();
4552 if ($snap->{vmstate
}) {
4553 my $path = PVE
::Storage
::path
($storecfg, $snap->{vmstate
});
4554 vm_mon_cmd
($vmid, "savevm-start", statefile
=> $path);
4555 &$savevm_wait($vmid);
4557 vm_mon_cmd
($vmid, "savevm-start");
4561 qga_freezefs
($vmid) if $running && $freezefs;
4563 foreach_drive
($snap, sub {
4564 my ($ds, $drive) = @_;
4566 return if drive_is_cdrom
($drive);
4568 my $volid = $drive->{file
};
4569 my $device = "drive-$ds";
4571 qemu_volume_snapshot
($vmid, $device, $storecfg, $volid, $snapname);
4572 $drivehash->{$ds} = 1;
4577 eval { qga_unfreezefs
($vmid) if $running && $freezefs; };
4580 eval { vm_mon_cmd
($vmid, "savevm-end") if $running; };
4584 warn "snapshot create failed: starting cleanup\n";
4585 eval { snapshot_delete
($vmid, $snapname, 0, $drivehash); };
4590 &$snapshot_commit($vmid, $snapname);
4593 # Note: $drivehash is only set when called from snapshot_create.
4594 sub snapshot_delete
{
4595 my ($vmid, $snapname, $force, $drivehash) = @_;
4602 my $unlink_parent = sub {
4603 my ($confref, $new_parent) = @_;
4605 if ($confref->{parent
} && $confref->{parent
} eq $snapname) {
4607 $confref->{parent
} = $new_parent;
4609 delete $confref->{parent
};
4614 my $updatefn = sub {
4615 my ($remove_drive) = @_;
4617 my $conf = load_config
($vmid);
4621 die "you can't delete a snapshot if vm is a template\n"
4622 if is_template
($conf);
4625 $snap = $conf->{snapshots
}->{$snapname};
4627 die "snapshot '$snapname' does not exist\n" if !defined($snap);
4629 # remove parent refs
4630 &$unlink_parent($conf, $snap->{parent
});
4631 foreach my $sn (keys %{$conf->{snapshots
}}) {
4632 next if $sn eq $snapname;
4633 &$unlink_parent($conf->{snapshots
}->{$sn}, $snap->{parent
});
4636 if ($remove_drive) {
4637 if ($remove_drive eq 'vmstate') {
4638 delete $snap->{$remove_drive};
4640 my $drive = parse_drive
($remove_drive, $snap->{$remove_drive});
4641 my $volid = $drive->{file
};
4642 delete $snap->{$remove_drive};
4643 add_unused_volume
($conf, $volid);
4648 $snap->{snapstate
} = 'delete';
4650 delete $conf->{snapshots
}->{$snapname};
4651 delete $conf->{lock} if $drivehash;
4652 foreach my $volid (@$unused) {
4653 add_unused_volume
($conf, $volid);
4657 update_config_nolock
($vmid, $conf, 1);
4660 lock_config
($vmid, $updatefn);
4662 # now remove vmstate file
4664 my $storecfg = PVE
::Storage
::config
();
4666 if ($snap->{vmstate
}) {
4667 eval { PVE
::Storage
::vdisk_free
($storecfg, $snap->{vmstate
}); };
4669 die $err if !$force;
4672 # save changes (remove vmstate from snapshot)
4673 lock_config
($vmid, $updatefn, 'vmstate') if !$force;
4676 # now remove all internal snapshots
4677 foreach_drive
($snap, sub {
4678 my ($ds, $drive) = @_;
4680 return if drive_is_cdrom
($drive);
4682 my $volid = $drive->{file
};
4683 my $device = "drive-$ds";
4685 if (!$drivehash || $drivehash->{$ds}) {
4686 eval { qemu_volume_snapshot_delete
($vmid, $device, $storecfg, $volid, $snapname); };
4688 die $err if !$force;
4693 # save changes (remove drive fron snapshot)
4694 lock_config
($vmid, $updatefn, $ds) if !$force;
4695 push @$unused, $volid;
4698 # now cleanup config
4700 lock_config
($vmid, $updatefn);
4704 my ($feature, $conf, $storecfg, $snapname, $running) = @_;
4707 foreach_drive
($conf, sub {
4708 my ($ds, $drive) = @_;
4710 return if drive_is_cdrom
($drive);
4711 my $volid = $drive->{file
};
4712 $err = 1 if !PVE
::Storage
::volume_has_feature
($storecfg, $feature, $volid, $snapname, $running);
4715 return $err ?
0 : 1;
4718 sub template_create
{
4719 my ($vmid, $conf, $disk) = @_;
4721 my $storecfg = PVE
::Storage
::config
();
4723 foreach_drive
($conf, sub {
4724 my ($ds, $drive) = @_;
4726 return if drive_is_cdrom
($drive);
4727 return if $disk && $ds ne $disk;
4729 my $volid = $drive->{file
};
4730 return if !PVE
::Storage
::volume_has_feature
($storecfg, 'template', $volid);
4732 my $voliddst = PVE
::Storage
::vdisk_create_base
($storecfg, $volid);
4733 $drive->{file
} = $voliddst;
4734 $conf->{$ds} = print_drive
($vmid, $drive);
4735 update_config_nolock
($vmid, $conf, 1);
4742 return 1 if defined $conf->{template
} && $conf->{template
} == 1;
4745 sub qemu_img_convert
{
4746 my ($src_volid, $dst_volid, $size, $snapname) = @_;
4748 my $storecfg = PVE
::Storage
::config
();
4749 my ($src_storeid, $src_volname) = PVE
::Storage
::parse_volume_id
($src_volid, 1);
4750 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
4752 if ($src_storeid && $dst_storeid) {
4753 my $src_scfg = PVE
::Storage
::storage_config
($storecfg, $src_storeid);
4754 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
4756 my $src_format = qemu_img_format
($src_scfg, $src_volname);
4757 my $dst_format = qemu_img_format
($dst_scfg, $dst_volname);
4759 my $src_path = PVE
::Storage
::path
($storecfg, $src_volid, $snapname);
4760 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
4763 push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
4764 push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
4765 push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
4769 if($line =~ m/\((\S+)\/100\
%\)/){
4771 my $transferred = int($size * $percent / 100);
4772 my $remaining = $size - $transferred;
4774 print "transferred: $transferred bytes remaining: $remaining bytes total: $size bytes progression: $percent %\n";
4779 eval { run_command
($cmd, timeout
=> undef, outfunc
=> $parser); };
4781 die "copy failed: $err" if $err;
4785 sub qemu_img_format
{
4786 my ($scfg, $volname) = @_;
4788 if ($scfg->{path
} && $volname =~ m/\.(raw|qcow2|qed|vmdk)$/) {
4790 } elsif ($scfg->{type
} eq 'iscsi') {
4791 return "host_device";
4797 sub qemu_drive_mirror
{
4798 my ($vmid, $drive, $dst_volid, $vmiddst, $maxwait) = @_;
4804 my $storecfg = PVE
::Storage
::config
();
4805 my ($dst_storeid, $dst_volname) = PVE
::Storage
::parse_volume_id
($dst_volid, 1);
4808 my $dst_scfg = PVE
::Storage
::storage_config
($storecfg, $dst_storeid);
4811 if ($dst_volname =~ m/\.(raw|qcow2)$/){
4815 my $dst_path = PVE
::Storage
::path
($storecfg, $dst_volid);
4818 #fixme : sometime drive-mirror timeout, but works fine after.
4819 # (I have see the problem with big volume > 200GB), so we need to eval
4820 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
4821 sync
=> "full", target
=> $dst_path, format
=> $format); };
4823 eval { vm_mon_cmd
($vmid, "drive-mirror", timeout
=> 10, device
=> "drive-$drive", mode
=> "existing",
4824 sync
=> "full", target
=> $dst_path); };
4829 my $stats = vm_mon_cmd
($vmid, "query-block-jobs");
4830 my $stat = @$stats[0];
4831 die "mirroring job seem to have die. Maybe do you have bad sectors?" if !$stat;
4832 die "error job is not mirroring" if $stat->{type
} ne "mirror";
4834 my $transferred = $stat->{offset
};
4835 my $total = $stat->{len
};
4836 my $remaining = $total - $transferred;
4837 my $percent = sprintf "%.2f", ($transferred * 100 / $total);
4839 print "transferred: $transferred bytes remaining: $remaining bytes total: $total bytes progression: $percent %\n";
4841 last if ($stat->{len
} == $stat->{offset
});
4842 if ($old_len == $stat->{offset
}) {
4843 if ($maxwait && $count > $maxwait) {
4844 # if writes to disk occurs the disk needs to be freezed
4845 # to be able to complete the migration
4846 vm_suspend
($vmid,1);
4850 $count++ unless $frozen;
4856 $old_len = $stat->{offset
};
4860 if ($vmiddst == $vmid) {
4861 # switch the disk if source and destination are on the same guest
4862 vm_mon_cmd
($vmid, "block-job-complete", device
=> "drive-$drive");
4866 eval { vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive"); };
4867 die "mirroring error: $err";
4870 if ($vmiddst != $vmid) {
4871 # if we clone a disk for a new target vm, we don't switch the disk
4872 vm_mon_cmd
($vmid, "block-job-cancel", device
=> "drive-$drive");
4878 my ($storecfg, $vmid, $running, $drivename, $drive, $snapname,
4879 $newvmid, $storage, $format, $full, $newvollist) = @_;
4884 print "create linked clone of drive $drivename ($drive->{file})\n";
4885 $newvolid = PVE
::Storage
::vdisk_clone
($storecfg, $drive->{file
}, $newvmid);
4886 push @$newvollist, $newvolid;
4888 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
4889 $storeid = $storage if $storage;
4891 my ($defFormat, $validFormats) = PVE
::Storage
::storage_default_format
($storecfg, $storeid);
4893 $format = $drive->{format
} || $defFormat;
4896 # test if requested format is supported - else use default
4897 my $supported = grep { $_ eq $format } @$validFormats;
4898 $format = $defFormat if !$supported;
4900 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $drive->{file
}, 3);
4902 print "create full clone of drive $drivename ($drive->{file})\n";
4903 $newvolid = PVE
::Storage
::vdisk_alloc
($storecfg, $storeid, $newvmid, $format, undef, ($size/1024));
4904 push @$newvollist, $newvolid;
4906 if (!$running || $snapname) {
4907 qemu_img_convert
($drive->{file
}, $newvolid, $size, $snapname);
4909 qemu_drive_mirror
($vmid, $drivename, $newvolid, $newvmid);
4913 my ($size) = PVE
::Storage
::volume_size_info
($storecfg, $newvolid, 3);
4916 $disk->{format
} = undef;
4917 $disk->{file
} = $newvolid;
4918 $disk->{size
} = $size;
4923 # this only works if VM is running
4924 sub get_current_qemu_machine
{
4927 my $cmd = { execute
=> 'query-machines', arguments
=> {} };
4928 my $res = PVE
::QemuServer
::vm_qmp_command
($vmid, $cmd);
4930 my ($current, $default);
4931 foreach my $e (@$res) {
4932 $default = $e->{name
} if $e->{'is-default'};
4933 $current = $e->{name
} if $e->{'is-current'};
4936 # fallback to the default machine if current is not supported by qemu
4937 return $current || $default || 'pc';