Now it is possible to move the volume to an other storage. This works only when the CT is off, to keep the volume consistent. --- src/PVE/API2/LXC.pm | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++ src/PVE/CLI/pct.pm | 1 + 2 files changed, 117 insertions(+)
diff --git a/src/PVE/API2/LXC.pm b/src/PVE/API2/LXC.pm index 537ab69..976e25d 100644 --- a/src/PVE/API2/LXC.pm +++ b/src/PVE/API2/LXC.pm @@ -1368,4 +1368,120 @@ __PACKAGE__->register_method({ return PVE::LXC::Config->lock_config($vmid, $code);; }}); +__PACKAGE__->register_method({ + name => 'move_ct_volume', + path => '{vmid}/move_volume', + method => 'POST', + protected => 1, + proxyto => 'node', + description => "Move a rootfs-/mp-volume to a different storage", + permissions => { + description => "You need 'VM.Config.Disk' permissions on /vms/{vmid}, " . + "and 'Datastore.AllocateSpace' permissions on the storage.", + check => + [ 'and', + ['perm', '/vms/{vmid}', [ 'VM.Config.Disk' ]], + ['perm', '/storage/{storage}', [ 'Datastore.AllocateSpace' ]], + ], + }, + parameters => { + additionalProperties => 0, + properties => { + node => get_standard_option('pve-node'), + vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }), + storage => get_standard_option('pve-storage-id', { + description => "Target Storage.", + default => 'local', + completion => \&PVE::Storage::complete_storage_enabled, + }), + delete => { + type => 'boolean', + description => "Delete the original volume after successful copy. By default the original disk is kept as unused disk.", + optional => 1, + default => 0, + }, + volume => { + type => 'string', + description => "Volume which will move.\n Format: [rootfs|mp<x>]", + + }, + digest => { + type => 'string', + description => 'Prevent changes if current configuration file has different SHA1 digest. This can be used to prevent concurrent modifications.', + maxLength => 40, + optional => 1, + } + }, + }, + returns => { + type => 'string', + }, + code => sub { + my ($param) = @_; + + my $rpcenv = PVE::RPCEnvironment::get(); + + my $authuser = $rpcenv->get_user(); + + my $node = extract_param($param, 'node'); + + my $vmid = extract_param($param, 'vmid'); + + my $storage = extract_param($param, 'storage'); + + my $volume = extract_param($param, 'volume'); + + my $delete = extract_param($param, 'delete'); + + my $digest = extract_param($param, 'digest'); + + my $code = sub { + + my $conf = PVE::LXC::Config->load_config($vmid); + PVE::LXC::Config->check_lock($conf); + + die "can't move volume: $volume if snapshot exists\n" + if %{$conf->{snapshots}}; + + PVE::Tools::assert_if_modified($digest, $conf->{digest}); + + die "Move Volume can't be done online.\n" if PVE::LXC::check_running($vmid); + + PVE::Cluster::log_msg('info', $authuser, "move_volume CT:$vmid Volume:$volume to Storage:$storage"); + my $realcmd = sub { + + my $storage_cfg = PVE::Storage::config(); + + my $mp; + if ($volume eq 'rootfs') { + $mp = PVE::LXC::Config->parse_ct_rootfs($conf->{$volume}); + } else { + $mp = PVE::LXC::Config->parse_ct_mountpoint($conf->{$volume}); + } + + my $old_volid = $mp->{volume}; + + eval { + $mp->{volume} = PVE::LXC::copy_volume($mp, $vmid, $vmid, $storage, $storage_cfg, $conf); + + $conf->{$volume} = PVE::LXC::Config->print_ct_mountpoint($mp, $volume eq 'rootfs'); + }; + if (my $err = $@) { + die $err; + } + + if ($delete) { + PVE::Storage::vdisk_free($storage_cfg, $old_volid); + } else { + my $unused = PVE::LXC::Config->add_unused_volume($conf, $old_volid); + $conf->{$unused} = $old_volid; + } + PVE::LXC::Config->write_config($vmid, $conf); + }; + + return $rpcenv->fork_worker('move_volume', $vmid, $authuser, $realcmd); + }; + + return PVE::LXC::Config->lock_config($vmid, $code); + }}); 1; diff --git a/src/PVE/CLI/pct.pm b/src/PVE/CLI/pct.pm index 1c04329..c18770c 100755 --- a/src/PVE/CLI/pct.pm +++ b/src/PVE/CLI/pct.pm @@ -560,6 +560,7 @@ our $cmddef = { clone => [ "PVE::API2::LXC", 'clone_vm', ['vmid', 'newid'], { node => $nodename }, $upid_exit ], migrate => [ "PVE::API2::LXC", 'migrate_vm', ['vmid', 'target'], { node => $nodename }, $upid_exit], + move_volume => [ "PVE::API2::LXC", 'move_ct_volume', ['vmid', 'storage', 'volume'], { node => $nodename }, $upid_exit ], console => [ __PACKAGE__, 'console', ['vmid']], enter => [ __PACKAGE__, 'enter', ['vmid']], -- 2.1.4 _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel