qm move <vmid> <disk> <storage> --format [raw|qcow2|vmdk]

Signed-off-by: Alexandre Derumier <[email protected]>
---
 PVE/API2/Qemu.pm |  113 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 qm               |    2 +
 2 files changed, 115 insertions(+)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index bf45f29..70d0084 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -637,6 +637,7 @@ __PACKAGE__->register_method({
            { subdir => 'vncproxy' },
            { subdir => 'migrate' },
            { subdir => 'resize' },
+           { subdir => 'move' },
            { subdir => 'rrd' },
            { subdir => 'rrddata' },
            { subdir => 'monitor' },
@@ -2147,6 +2148,118 @@ __PACKAGE__->register_method({
     }});
 
 __PACKAGE__->register_method({
+    name => 'move_vm',
+    path => '{vmid}/move',
+    method => 'PUT',
+    protected => 1,
+    proxyto => 'node',
+    description => "Move volume to different storage.",
+    permissions => {
+        check => ['perm', '/vms/{vmid}', [ 'VM.Config.Disk' ]],
+    },
+    parameters => {
+        additionalProperties => 0,
+        properties => {
+           node => get_standard_option('pve-node'),
+           vmid => get_standard_option('pve-vmid'),
+           skiplock => get_standard_option('skiplock'),
+           disk => {
+               type => 'string',
+               description => "The disk you want to resize.",
+               enum => [PVE::QemuServer::disknames()],
+           },
+           storage => {
+               type => 'string',
+               description => "Target Storage.",
+           },
+           format => {
+               type => 'string',
+               description => "Target Format.",
+               enum => [ 'raw', 'qcow2', 'vmdk' ],
+                optional => 1,
+           },
+           digest => {
+               type => 'string',
+               description => 'Prevent changes if current configuration file 
has different SHA1 digest. This can be used to prevent concurrent 
modifications.',
+               maxLength => 40,
+               optional => 1,
+           },
+       },
+    },
+    returns => { type => 'null'},
+    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 $digest = extract_param($param, 'digest');
+
+        my $disk = extract_param($param, 'disk');
+
+       my $storeid = extract_param($param, 'storage');
+
+       my $format = extract_param($param, 'format');
+
+       my $skiplock = extract_param($param, 'skiplock');
+        raise_param_exc({ skiplock => "Only root may use this option." })
+            if $skiplock && $authuser ne 'root@pam';
+
+        my $storecfg = PVE::Storage::config();
+
+        my $updatefn =  sub {
+
+            my $conf = PVE::QemuServer::load_config($vmid);
+
+            die "checksum missmatch (file change by other user?)\n"
+                if $digest && $digest ne $conf->{digest};
+            PVE::QemuServer::check_lock($conf) if !$skiplock;
+
+           die "disk '$disk' does not exist\n" if !$conf->{$disk};
+
+            my $drive = PVE::QemuServer::parse_drive($disk, $conf->{$disk});
+
+            my $volid = $drive->{file};
+
+            die "disk '$disk' has no associated volume\n" if !$volid;
+
+            die "you can't move a cdrom\n" if 
PVE::QemuServer::drive_is_cdrom($drive);
+           my $oldfmt = undef;
+            my ($oldstoreid, $oldvolname) = 
PVE::Storage::parse_volume_id($volid);
+            if ($oldvolname =~ m/\.(raw|qcow2|vmdk)$/){
+                    $oldfmt = $1;
+            }
+
+           die "you can't move on the same storage with same format" if 
($oldstoreid eq $storeid && (!$format || $oldfmt eq $format));
+
+           $rpcenv->check($authuser, "/storage/$storeid", 
['Datastore.AllocateSpace']);
+
+            PVE::Cluster::log_msg('info', $authuser, "move disk VM $vmid: move 
--disk $disk --storage $storeid");
+           my $setting->{$disk} = $storeid.':';
+           $setting->{$disk} .= $format if $format;
+
+           my $running = PVE::QemuServer::check_running($vmid);
+           my $realcmd = sub {
+
+               &$clone_disks($rpcenv, $authuser, $conf, $storecfg, $vmid, 
undef, $setting, undef, 'copy', $vmid, $running, 1);
+               PVE::QemuServer::update_config_nolock($vmid, $conf, 1);
+
+               eval { PVE::Storage::vdisk_free($storecfg, $volid); };
+               warn $@ if $@;
+           };
+
+           return $rpcenv->fork_worker('qmmove', $vmid, $authuser, $realcmd);
+       };
+        PVE::QemuServer::lock_config($vmid, $updatefn);
+        return undef;
+    }});
+
+__PACKAGE__->register_method({
     name => 'snapshot_list',
     path => '{vmid}/snapshot',
     method => 'GET',
diff --git a/qm b/qm
index 93f621c..21ec645 100755
--- a/qm
+++ b/qm
@@ -354,6 +354,8 @@ my $cmddef = {
 
     resize => [ "PVE::API2::Qemu", 'resize_vm', ['vmid', 'disk', 'size'], { 
node => $nodename } ],
 
+    move => [ "PVE::API2::Qemu", 'move_vm', ['vmid', 'disk', 'storage'], { 
node => $nodename } ],
+
     unlink => [ "PVE::API2::Qemu", 'unlink', ['vmid', 'idlist'], { node => 
$nodename } ],
 
     config => [ "PVE::API2::Qemu", 'vm_config', ['vmid'], 
-- 
1.7.10.4

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