});
};
+my $check_storage_access_copy = sub {
+ my ($rpcenv, $authuser, $storecfg, $conf, $storage) = @_;
+
+ PVE::QemuServer::foreach_drive($conf, sub {
+ my ($ds, $drive) = @_;
+
+ my $isCDROM = PVE::QemuServer::drive_is_cdrom($drive);
+
+ my $volid = $drive->{file};
+
+ return if !$volid || $volid eq 'none';
+
+ if ($isCDROM) {
+ if ($volid eq 'cdrom') {
+ $rpcenv->check($authuser, "/", ['Sys.Console']);
+ } else {
+ # we simply allow access
+ }
+ } else {
+ my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
+ die "unable to copy arbitrary files\n" if !$sid;
+ $sid = $storage if $storage;
+ $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
+ }
+ });
+};
+
# Note: $pool is only needed when creating a VM, because pool permissions
# are automatically inherited if VM already exists inside a pool.
my $create_disks = sub {
my $restorefn = sub {
+ # fixme: this test does not work if VM exists on other node!
if (-f $filename) {
die "unable to restore vm $vmid: config file already exists\n"
if !$force;
optional => 1,
}),
},
-
},
returns => {
type => 'boolean'
return $res;
}});
+__PACKAGE__->register_method({
+ name => 'copy_vm',
+ path => '{vmid}/copy',
+ method => 'POST',
+ protected => 1,
+ proxyto => 'node',
+ description => "Create a copy of virtual machine/template.",
+ permissions => {
+ description => "You need 'VM.Copy' permissions on /vms/{vmid}, and 'VM.Allocate' permissions " .
+ "on /vms/{newid} (or on the VM pool /pool/{pool}). You also need " .
+ "'Datastore.AllocateSpace' on any used storage.",
+ check =>
+ [ 'and',
+ ['perm', '/vms/{vmid}', [ 'VM.Copy' ]],
+ [ 'or',
+ [ 'perm', '/vms/{newid}', ['VM.Allocate']],
+ [ 'perm', '/pool/{pool}', ['VM.Allocate'], require_param => 'pool'],
+ ],
+ ]
+ },
+ parameters => {
+ additionalProperties => 0,
+ properties => {
+ node => get_standard_option('pve-node'),
+ vmid => get_standard_option('pve-vmid'),
+ newid => get_standard_option('pve-vmid', { description => 'VMID for the copy.' }),
+ name => {
+ optional => 1,
+ type => 'string', format => 'dns-name',
+ description => "Set a name for the new VM.",
+ },
+ description => {
+ optional => 1,
+ type => 'string',
+ description => "Description for the new VM.",
+ },
+ pool => {
+ optional => 1,
+ type => 'string', format => 'pve-poolid',
+ description => "Add the new VM to the specified pool.",
+ },
+ snapname => get_standard_option('pve-snapshot-name', {
+ requires => 'full',
+ optional => 1,
+ }),
+ storage => get_standard_option('pve-storage-id', {
+ description => "Target storage for full copy.",
+ requires => 'full',
+ optional => 1,
+ }),
+ full => {
+ optional => 1,
+ type => 'boolean',
+ description => "Create a full copy of all disk. This is always done when " .
+ "you copy a normal VM. For VM templates, we try to create a linked copy by default.",
+ default => 0,
+ },
+ },
+ },
+ returns => {
+ type => 'string',
+ },
+ code => sub {
+ my ($param) = @_;
+
+ my $rpcenv = PVE::RPCEnvironment::get();
+
+ my $authuser = $rpcenv->get_user();
+
+ my $node = extract_param($param, 'node');
+
+ my $vmid = extract_param($param, 'vmid');
+
+ my $newid = extract_param($param, 'newid');
+
+ # fixme: update pool after create
+ my $pool = extract_param($param, 'pool');
+
+ if (defined($pool)) {
+ $rpcenv->check_pool_exist($pool);
+ }
+
+ my $snapname = extract_param($param, 'snapname');
+
+ my $storage = extract_param($param, 'storage');
+
+ my $storecfg = PVE::Storage::config();
+
+ PVE::Cluster::check_cfs_quorum();
+
+ my $running = PVE::QemuServer::check_running($vmid) || 0;
+
+ die "Copy running VM $vmid not implemented\n" if $running; # fixme: implement this
+
+ # exclusive lock if VM is running - else shared lock is enough;
+ my $shared_lock = $running ? 0 : 1;
+
+ # fixme: do early checks - re-check after lock
+
+ # fixme: impl. target node parameter (mv VM config if all storages are shared)
+
+ my $copyfn = sub {
+
+ # all tests after lock
+ my $conf = PVE::QemuServer::load_config($vmid);
+
+ PVE::QemuServer::check_lock($conf);
+
+ my $verify_running = PVE::QemuServer::check_running($vmid) || 0;
+
+ die "unexpected state change\n" if $verify_running != $running;
+
+ die "snapshot '$snapname' does not exist\n"
+ if $snapname && !defined( $conf->{snapshots}->{$snapname});
+
+ my $oldconf = $snapname ? $conf->{snapshots}->{$snapname} : $conf;
+
+ &$check_storage_access_copy($rpcenv, $authuser, $storecfg, $oldconf, $storage);
+
+ my $conffile = PVE::QemuServer::config_file($newid);
+
+ die "unable to create VM $newid: config file already exists\n"
+ if -f $conffile;
+
+ # create empty/temp config - this fails if VM already exists on other node
+ PVE::Tools::file_set_contents($conffile, "# qmcopy temporary file\nlock: copy\n");
+
+ my $realcmd = sub {
+ my $upid = shift;
+
+ my $newvollist = [];
+
+ eval {
+ my $newconf = { lock => 'copy' };
+ my $drives = {};
+ my $vollist = [];
+
+ foreach my $opt (keys %$oldconf) {
+ my $value = $oldconf->{$opt};
+
+ # do not copy snapshot related info
+ next if $opt eq 'snapshots' || $opt eq 'parent' || $opt eq 'snaptime' ||
+ $opt eq 'vmstate' || $opt eq 'snapstate';
+
+ # always change MAC! address
+ if ($opt =~ m/^net(\d+)$/) {
+ my $net = PVE::QemuServer::parse_net($value);
+ $net->{macaddr} = PVE::Tools::random_ether_addr();
+ $newconf->{$opt} = PVE::QemuServer::print_net($net);
+ } elsif (my $drive = PVE::QemuServer::parse_drive($opt, $value)) {
+ if (PVE::QemuServer::drive_is_cdrom($drive)) {
+ $newconf->{$opt} = $value; # simply copy configuration
+ } else {
+ $drives->{$opt} = $drive;
+ push @$vollist, $drive->{file};
+ }
+ } else {
+ # copy everything else
+ $newconf->{$opt} = $value;
+ }
+ }
+
+ delete $newconf->{template};
+
+ if ($param->{name}) {
+ $newconf->{name} = $param->{name};
+ } else {
+ $newconf->{name} = "Copy-of-$oldconf->{name}";
+ }
+
+ if ($param->{description}) {
+ $newconf->{description} = $param->{description};
+ }
+
+ PVE::Storage::activate_volumes($storecfg, $vollist);
+
+ eval {
+ local $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = sub { die "interrupted by signal\n"; };
+
+ foreach my $opt (keys %$drives) {
+ my $drive = $drives->{$opt};
+
+ my $newvolid;
+ if (!$param->{full} && PVE::Storage::volume_is_base($storecfg, $drive->{file})) {
+ print "clone drive $opt ($drive->{file})\n";
+ $newvolid = PVE::Storage::vdisk_clone($storecfg, $drive->{file}, $newid);
+ } else {
+ my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file});
+ $storeid = $storage if $storage;
+ my $defformat = PVE::Storage::storage_default_format($storecfg, $storeid);
+ my $fmt = $drive->{format} || $defformat;
+
+ my ($size) = PVE::Storage::volume_size_info($storecfg, $drive->{file}, 3);
+
+ print "copy drive $opt ($drive->{file})\n";
+ $newvolid = PVE::Storage::vdisk_alloc($storecfg, $storeid, $newid, $fmt, undef, ($size/1024));
+
+ PVE::QemuServer::qemu_img_convert($drive->{file}, $newvolid, $size, $snapname);
+ }
+
+ my ($size) = PVE::Storage::volume_size_info($storecfg, $newvolid, 3);
+ my $disk = { file => $newvolid, size => $size };
+ $newconf->{$opt} = PVE::QemuServer::print_drive($vmid, $disk);
+ push @$newvollist, $newvolid;
+
+ PVE::QemuServer::update_config_nolock($newid, $newconf, 1);
+ }
+ };
+ die $@ if $@;
+
+ delete $newconf->{lock};
+ PVE::QemuServer::update_config_nolock($newid, $newconf, 1);
+ };
+ if (my $err = $@) {
+ unlink $conffile;
+
+ sleep 1; # some storage like rbd need to wait before release volume - really?
+
+ foreach my $volid (@$newvollist) {
+ eval { PVE::Storage::vdisk_free($storecfg, $volid); };
+ warn $@ if $@;
+ }
+ die "copy failed: $err";
+ }
+
+ return;
+ };
+
+ return $rpcenv->fork_worker('qmcopy', $vmid, $authuser, $realcmd);
+ };
+
+ return PVE::QemuServer::lock_config_mode($vmid, 1, $shared_lock, sub {
+ # Aquire exclusive lock lock for $newid
+ return PVE::QemuServer::lock_config_full($newid, 1, $copyfn);
+ });
+
+ }});
+
__PACKAGE__->register_method({
name => 'migrate_vm',
path => '{vmid}/migrate',
PVE::QemuServer::check_lock($conf);
- die "you can't convert a template to a template"
+ die "unable to create template, because VM contains snapshots\n"
+ if $conf->{snapshots} && scalar(keys %{$conf->{snapshots}});
+
+ die "you can't convert a template to a template\n"
if PVE::QemuServer::is_template($conf) && !$disk;
+
+ die "you can't convert a VM to template if VM is running\n"
+ if PVE::QemuServer::check_running($vmid);
+
my $realcmd = sub {
PVE::QemuServer::template_create($vmid, $conf, $disk);
};
- return $rpcenv->fork_worker('qmtemplate', $vmid, $authuser, $realcmd);
+ $conf->{template} = 1;
PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
+
+ return $rpcenv->fork_worker('qmtemplate', $vmid, $authuser, $realcmd);
};
PVE::QemuServer::lock_config($vmid, $updatefn);
projects / qemu-server.git / blobdiff