}
}
+my $check_storage_access_migrate = sub {
+ my ($rpcenv, $authuser, $storecfg, $storage, $node) = @_;
+
+ PVE::Storage::storage_check_enabled($storecfg, $storage, $node);
+
+ $rpcenv->check($authuser, "/storage/$storage", ['Datastore.AllocateSpace']);
+
+ my $scfg = PVE::Storage::storage_config($storecfg, $storage);
+ die "storage '$storage' does not support CT rootdirs\n"
+ if !$scfg->{content}->{rootdir};
+};
+
__PACKAGE__->register_method ({
subclass => "PVE::API2::LXC::Config",
path => '{vmid}/config',
# we don't want to restore a container-provided FW conf in this case
# since the user is lacking permission to configure the container's FW
$skip_fw_config_restore = 1;
+
+ # error out if a user tries to change from unprivileged to privileged
+ # explicit change is checked here, implicit is checked down below or happening in root-only paths
+ my $conf = PVE::LXC::Config->load_config($vmid);
+ if ($conf->{unprivileged} && defined($unprivileged) && !$unprivileged) {
+ raise_perm_exc("cannot change from unprivileged to privileged without VM.Allocate");
+ }
} else {
raise_perm_exc();
}
my $ostemplate = extract_param($param, 'ostemplate');
my $storage = extract_param($param, 'storage') // 'local';
- PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, $pool, $param, []);
+ PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, $pool, undef, $param, [], $unprivileged);
my $storage_cfg = cfs_read_file("storage.cfg");
my $check_and_activate_storage = sub {
my ($sid) = @_;
- my $scfg = PVE::Storage::storage_check_node($storage_cfg, $sid, $node);
+ my $scfg = PVE::Storage::storage_check_enabled($storage_cfg, $sid, $node);
raise_param_exc({ storage => "storage '$sid' does not support container directories"})
if !$scfg->{content}->{rootdir};
eval { PVE::LXC::Config->create_and_lock_config($vmid, $force) };
die "$emsg $@" if $@;
+ my $remove_lock = 1;
+
my $code = sub {
my $old_conf = PVE::LXC::Config->load_config($vmid);
my $was_template;
- my $vollist = [];
eval {
my $orig_mp_param; # only used if $restore
if ($restore) {
die "can't overwrite running container\n" if PVE::LXC::check_running($vmid);
- if ($is_root && $archive ne '-') {
+ if ($archive ne '-') {
my $orig_conf;
+ print "recovering backed-up configuration from '$archive'\n";
($orig_conf, $orig_mp_param) = PVE::LXC::Create::recover_config($storage_cfg, $archive, $vmid);
+
$was_template = delete $orig_conf->{template};
+
# When we're root call 'restore_configuration' with restricted=0,
# causing it to restore the raw lxc entries, among which there may be
# 'lxc.idmap' entries. We need to make sure that the extracted contents
# of the container match up with the restored configuration afterwards:
- $conf->{lxc} = $orig_conf->{lxc};
+ $conf->{lxc} = $orig_conf->{lxc} if $is_root;
+
+ $conf->{unprivileged} = $orig_conf->{unprivileged}
+ if !defined($unprivileged) && defined($orig_conf->{unprivileged});
+
+ # implicit privileged change is checked here
+ if ($old_conf->{unprivileged} && !$conf->{unprivileged}) {
+ $rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Allocate']);
+ }
}
}
if ($storage_only_mode) {
if ($restore) {
if (!defined($orig_mp_param)) {
+ print "recovering backed-up configuration from '$archive'\n";
(undef, $orig_mp_param) = PVE::LXC::Create::recover_config($storage_cfg, $archive, $vmid);
}
$mp_param = $orig_mp_param;
$mp_param->{rootfs} = "$storage:4"; # defaults to 4GB
}
}
+ };
+ die "$emsg $@" if $@;
+ # up until here we did not modify the container, besides the lock
+ $remove_lock = 0;
+
+ my $vollist = [];
+ eval {
$vollist = PVE::LXC::create_disks($storage_cfg, $vmid, $mp_param, $conf);
# we always have the 'create' lock so check for more than 1 entry
eval {
my $rootdir = PVE::LXC::mount_all($vmid, $storage_cfg, $conf, 1);
$bwlimit = PVE::Storage::get_bandwidth_limit('restore', [keys %used_storages], $bwlimit);
+ print "restoring '$archive' now..\n"
+ if $restore && $archive ne '-';
PVE::LXC::Create::restore_archive($storage_cfg, $archive, $rootdir, $conf, $ignore_unpack_errors, $bwlimit);
if ($restore) {
+ print "merging backed-up and given configuration..\n";
PVE::LXC::Create::restore_configuration($vmid, $storage_cfg, $archive, $rootdir, $conf, !$is_root, $unique, $skip_fw_config_restore);
my $lxc_setup = PVE::LXC::Setup->new($conf, $rootdir);
$lxc_setup->template_fixup($conf);
};
my $workername = $restore ? 'vzrestore' : 'vzcreate';
- my $realcmd = sub { PVE::LXC::Config->lock_config($vmid, $code); };
+ my $realcmd = sub {
+ eval {
+ PVE::LXC::Config->lock_config($vmid, $code);
+ };
+ if (my $err = $@) {
+ # if we aborted before changing the container, we must remove the create lock
+ if ($remove_lock) {
+ PVE::LXC::Config->remove_lock($vmid, 'create');
+ }
+ die $err;
+ }
+ };
return $rpcenv->fork_worker($workername, $vmid, $authuser, $realcmd);
}});
description => "Target node.",
completion => \&PVE::Cluster::complete_migration_target,
}),
+ 'target-storage' => get_standard_option('pve-targetstorage'),
online => {
type => 'boolean',
description => "Use online/live migration.",
optional => 1,
default => 180,
},
- force => {
- type => 'boolean',
- description => "Force migration despite local bind / device" .
- " mounts. NOTE: deprecated, use 'shared' property of mount point instead.",
- optional => 1,
- },
bwlimit => {
description => "Override I/O bandwidth limit (in KiB/s).",
optional => 1,
if !$param->{online} && !$param->{restart};
}
+ if (my $targetstorage = delete $param->{'target-storage'}) {
+ my $storecfg = PVE::Storage::config();
+ my $storagemap = eval { PVE::JSONSchema::parse_idmap($targetstorage, 'pve-storage-id') };
+ raise_param_exc({ targetstorage => "failed to parse storage map: $@" })
+ if $@;
+
+ $rpcenv->check_vm_perm($authuser, $vmid, undef, ['VM.Config.Disk'])
+ if !defined($storagemap->{identity});
+
+ foreach my $target_sid (values %{$storagemap->{entries}}) {
+ $check_storage_access_migrate->($rpcenv, $authuser, $storecfg, $target_sid, $target);
+ }
+
+ $check_storage_access_migrate->($rpcenv, $authuser, $storecfg, $storagemap->{default}, $target)
+ if $storagemap->{default};
+
+ $param->{storagemap} = $storagemap;
+ }
+
if (PVE::HA::Config::vm_is_ha_managed($vmid) && $rpcenv->{type} ne 'ha') {
my $hacmd = sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
-
- my $authuser = $rpcenv->get_user();
+ my $authuser = $rpcenv->get_user();
my $node = extract_param($param, 'node');
-
my $vmid = extract_param($param, 'vmid');
-
my $newid = extract_param($param, 'newid');
-
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 $target = extract_param($param, 'target');
-
my $localnode = PVE::INotify::nodename();
- undef $target if $target && ($target eq $localnode || $target eq 'localhost');
+ undef $target if $target && ($target eq $localnode || $target eq 'localhost');
PVE::Cluster::check_node_exists($target) if $target;
PVE::Storage::storage_check_enabled($storecfg, $storage);
if ($target) {
# check if storage is available on target node
- PVE::Storage::storage_check_node($storecfg, $storage, $target);
+ PVE::Storage::storage_check_enabled($storecfg, $storage, $target);
# clone only works if target storage is shared
my $scfg = PVE::Storage::storage_config($storecfg, $storage);
die "can't clone to non-shared storage '$storage'\n" if !$scfg->{shared};
PVE::Cluster::check_cfs_quorum();
- my $conffile;
my $newconf = {};
my $mountpoints = {};
my $fullclone = {};
my $vollist = [];
my $running;
- PVE::LXC::Config->lock_config($vmid, sub {
- my $src_conf = PVE::LXC::Config->set_lock($vmid, 'disk');
+ PVE::LXC::Config->create_and_lock_config($newid, 0);
+ PVE::Firewall::clone_vmfw_conf($vmid, $newid);
- $running = PVE::LXC::check_running($vmid) || 0;
+ my $lock_and_reload = sub {
+ my ($vmid, $code) = @_;
+ return PVE::LXC::Config->lock_config($vmid, sub {
+ my $conf = PVE::LXC::Config->load_config($vmid);
+ die "Lost 'create' config lock, aborting.\n"
+ if !PVE::LXC::Config->has_lock($conf, 'create');
- my $full = extract_param($param, 'full');
- if (!defined($full)) {
- $full = !PVE::LXC::Config->is_template($src_conf);
- }
- die "parameter 'storage' not allowed for linked clones\n" if defined($storage) && !$full;
+ return $code->($conf);
+ });
+ };
- eval {
- die "snapshot '$snapname' does not exist\n"
- if $snapname && !defined($src_conf->{snapshots}->{$snapname});
+ my $src_conf = PVE::LXC::Config->set_lock($vmid, 'disk');
+ $running = PVE::LXC::check_running($vmid) || 0;
- my $src_conf = $snapname ? $src_conf->{snapshots}->{$snapname} : $src_conf;
+ my $full = extract_param($param, 'full');
+ if (!defined($full)) {
+ $full = !PVE::LXC::Config->is_template($src_conf);
+ }
- $conffile = PVE::LXC::Config->config_file($newid);
- die "unable to create CT $newid: config file already exists\n"
- if -f $conffile;
+ eval {
+ die "parameter 'storage' not allowed for linked clones\n"
+ if defined($storage) && !$full;
- my $sharedvm = 1;
- foreach my $opt (keys %$src_conf) {
- next if $opt =~ m/^unused\d+$/;
+ die "snapshot '$snapname' does not exist\n"
+ if $snapname && !defined($src_conf->{snapshots}->{$snapname});
- my $value = $src_conf->{$opt};
+ my $src_conf = $snapname ? $src_conf->{snapshots}->{$snapname} : $src_conf;
- if (($opt eq 'rootfs') || ($opt =~ m/^mp\d+$/)) {
- my $mp = PVE::LXC::Config->parse_volume($opt, $value);
+ my $sharedvm = 1;
+ for my $opt (sort keys %$src_conf) {
+ next if $opt =~ m/^unused\d+$/;
- if ($mp->{type} eq 'volume') {
- my $volid = $mp->{volume};
+ my $value = $src_conf->{$opt};
- my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
- $sid = $storage if defined($storage);
- my $scfg = PVE::Storage::storage_config($storecfg, $sid);
- if (!$scfg->{shared}) {
- $sharedvm = 0;
- warn "found non-shared volume: $volid\n" if $target;
- }
+ if (($opt eq 'rootfs') || ($opt =~ m/^mp\d+$/)) {
+ my $mp = PVE::LXC::Config->parse_volume($opt, $value);
- $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
+ if ($mp->{type} eq 'volume') {
+ my $volid = $mp->{volume};
- if ($full) {
- die "Cannot do full clones on a running container without snapshots\n"
- if $running && !defined($snapname);
- $fullclone->{$opt} = 1;
- } else {
- # not full means clone instead of copy
- die "Linked clone feature for '$volid' is not available\n"
- if !PVE::Storage::volume_has_feature($storecfg, 'clone', $volid, $snapname, $running, {'valid_target_formats' => ['raw', 'subvol']});
- }
+ my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
+ $sid = $storage if defined($storage);
+ my $scfg = PVE::Storage::storage_config($storecfg, $sid);
+ if (!$scfg->{shared}) {
+ $sharedvm = 0;
+ warn "found non-shared volume: $volid\n" if $target;
+ }
- $mountpoints->{$opt} = $mp;
- push @$vollist, $volid;
+ $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
+ if ($full) {
+ die "Cannot do full clones on a running container without snapshots\n"
+ if $running && !defined($snapname);
+ $fullclone->{$opt} = 1;
} else {
- # TODO: allow bind mounts?
- die "unable to clone mountpint '$opt' (type $mp->{type})\n";
+ # not full means clone instead of copy
+ die "Linked clone feature for '$volid' is not available\n"
+ if !PVE::Storage::volume_has_feature($storecfg, 'clone', $volid, $snapname, $running, {'valid_target_formats' => ['raw', 'subvol']});
}
- } elsif ($opt =~ m/^net(\d+)$/) {
- # always change MAC! address
- my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
- my $net = PVE::LXC::Config->parse_lxc_network($value);
- $net->{hwaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
- $newconf->{$opt} = PVE::LXC::Config->print_lxc_network($net);
+
+ $mountpoints->{$opt} = $mp;
+ push @$vollist, $volid;
+
} else {
- # copy everything else
- $newconf->{$opt} = $value;
+ # TODO: allow bind mounts?
+ die "unable to clone mountpoint '$opt' (type $mp->{type})\n";
}
+ } elsif ($opt =~ m/^net(\d+)$/) {
+ # always change MAC! address
+ my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg');
+ my $net = PVE::LXC::Config->parse_lxc_network($value);
+ $net->{hwaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix});
+ $newconf->{$opt} = PVE::LXC::Config->print_lxc_network($net);
+ } else {
+ # copy everything else
+ $newconf->{$opt} = $value;
}
- die "can't clone CT to node '$target' (CT uses local storage)\n"
- if $target && !$sharedvm;
+ }
+ die "can't clone CT to node '$target' (CT uses local storage)\n"
+ if $target && !$sharedvm;
- # Replace the 'disk' lock with a 'create' lock.
- $newconf->{lock} = 'create';
+ # Replace the 'disk' lock with a 'create' lock.
+ $newconf->{lock} = 'create';
- delete $newconf->{snapshots};
- delete $newconf->{pending};
- delete $newconf->{template};
- if ($param->{hostname}) {
- $newconf->{hostname} = $param->{hostname};
- }
+ # delete all snapshot related config options
+ delete $newconf->@{qw(snapshots parent snaptime snapstate)};
- if ($param->{description}) {
- $newconf->{description} = $param->{description};
- }
+ delete $newconf->{pending};
+ delete $newconf->{template};
- # create empty/temp config - this fails if CT already exists on other node
+ $newconf->{hostname} = $param->{hostname} if $param->{hostname};
+ $newconf->{description} = $param->{description} if $param->{description};
+
+ $lock_and_reload->($newid, sub {
PVE::LXC::Config->write_config($newid, $newconf);
+ });
+ };
+ if (my $err = $@) {
+ eval { PVE::LXC::Config->remove_lock($vmid, 'disk') };
+ warn "Failed to remove source CT config lock - $@\n" if $@;
+
+ eval {
+ $lock_and_reload->($newid, sub {
+ PVE::LXC::Config->destroy_config($newid);
+ PVE::Firewall::remove_vmfw_conf($newid);
+ });
};
- if (my $err = $@) {
- eval { PVE::LXC::Config->remove_lock($vmid, 'disk') };
- warn $@ if $@;
- die $err;
- }
- });
+ warn "Failed to remove target CT config - $@\n" if $@;
+
+ die $err;
+ }
my $update_conf = sub {
my ($key, $value) = @_;
- return PVE::LXC::Config->lock_config($newid, sub {
- my $conf = PVE::LXC::Config->load_config($newid);
- die "Lost 'create' config lock, aborting.\n"
- if !PVE::LXC::Config->has_lock($conf, 'create');
+ return $lock_and_reload->($newid, sub {
+ my $conf = shift;
$conf->{$key} = $value;
PVE::LXC::Config->write_config($newid, $conf);
});
}
PVE::AccessControl::add_vm_to_pool($newid, $pool) if $pool;
- PVE::LXC::Config->remove_lock($newid, 'create');
- if ($target) {
- # always deactivate volumes - avoid lvm LVs to be active on several nodes
- PVE::Storage::deactivate_volumes($storecfg, $vollist, $snapname) if !$running;
- PVE::Storage::deactivate_volumes($storecfg, $newvollist);
-
- my $newconffile = PVE::LXC::Config->config_file($newid, $target);
- die "Failed to move config to node '$target' - rename failed: $!\n"
- if !rename($conffile, $newconffile);
- }
+ $lock_and_reload->($newid, sub {
+ my $conf = shift;
+ my $rootdir = PVE::LXC::mount_all($newid, $storecfg, $conf, 1);
+ eval {
+ my $lxc_setup = PVE::LXC::Setup->new($conf, $rootdir);
+ $lxc_setup->post_clone_hook($conf);
+ };
+ my $err = $@;
+ eval { PVE::LXC::umount_all($newid, $storecfg, $conf, 1); };
+ if ($err) {
+ warn "$@\n" if $@;
+ die $err;
+ } else {
+ die $@ if $@;
+ }
+ });
};
my $err = $@;
-
# Unlock the source config in any case:
eval { PVE::LXC::Config->remove_lock($vmid, 'disk') };
warn $@ if $@;
if ($err) {
# Now cleanup the config & disks:
- unlink $conffile;
-
sleep 1; # some storages like rbd need to wait before release volume - really?
foreach my $volid (@$newvollist) {
eval { PVE::Storage::vdisk_free($storecfg, $volid); };
warn $@ if $@;
}
+
+ eval {
+ $lock_and_reload->($newid, sub {
+ PVE::LXC::Config->destroy_config($newid);
+ PVE::Firewall::remove_vmfw_conf($newid);
+ });
+ };
+ warn "Failed to remove target CT config - $@\n" if $@;
+
die "clone failed: $err";
}
+ $lock_and_reload->($newid, sub {
+ PVE::LXC::Config->remove_lock($newid, 'create');
+
+ if ($target) {
+ # always deactivate volumes - avoid lvm LVs to be active on several nodes
+ PVE::Storage::deactivate_volumes($storecfg, $vollist, $snapname) if !$running;
+ PVE::Storage::deactivate_volumes($storecfg, $newvollist);
+
+ PVE::LXC::Config->move_config_to_node($newid, $target);
+ }
+ });
+
return;
};
- PVE::Firewall::clone_vmfw_conf($vmid, $newid);
return $rpcenv->fork_worker('vzclone', $vmid, $authuser, $realcmd);
}});
die "no options specified\n" if !scalar(keys %$param);
- PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, undef, $param, []);
-
my $storage_cfg = cfs_read_file("storage.cfg");
my $code = sub {
my $conf = PVE::LXC::Config->load_config($vmid);
PVE::LXC::Config->check_lock($conf);
+ PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, undef, $conf, $param, [], $conf->{unprivileged});
+
PVE::Tools::assert_if_modified($digest, $conf->{digest});
my $running = PVE::LXC::check_running($vmid);
method => 'POST',
protected => 1,
proxyto => 'node',
- description => "Move a rootfs-/mp-volume to a different storage",
+ description => "Move a rootfs-/mp-volume to a different storage or to a different container.",
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' ]],
- ],
+ "and 'Datastore.AllocateSpace' permissions on the storage. To move ".
+ "a volume to another container, you need the permissions on the ".
+ "target container as well.",
+ check => ['perm', '/vms/{vmid}', [ 'VM.Config.Disk' ]],
},
parameters => {
additionalProperties => 0,
properties => {
node => get_standard_option('pve-node'),
vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
+ 'target-vmid' => get_standard_option('pve-vmid', {
+ completion => \&PVE::LXC::complete_ctid,
+ optional => 1,
+ }),
volume => {
type => 'string',
- enum => [ PVE::LXC::Config->valid_volume_keys() ],
+ #TODO: check how to handle unused mount points as the mp parameter is not configured
+ enum => [ PVE::LXC::Config->valid_volume_keys_with_unused() ],
description => "Volume which will be moved.",
},
storage => get_standard_option('pve-storage-id', {
description => "Target Storage.",
completion => \&PVE::Storage::complete_storage_enabled,
+ optional => 1,
}),
delete => {
type => 'boolean',
- description => "Delete the original volume after successful copy. By default the original is kept as an unused volume entry.",
+ description => "Delete the original volume after successful copy. By default the " .
+ "original is kept as an unused volume entry.",
optional => 1,
default => 0,
},
digest => {
type => 'string',
- description => 'Prevent changes if current configuration file has different SHA1 digest. This can be used to prevent concurrent modifications.',
+ description => 'Prevent changes if current configuration file has different SHA1 " .
+ "digest. This can be used to prevent concurrent modifications.',
maxLength => 40,
optional => 1,
},
minimum => '0',
default => 'clone limit from datacenter or storage config',
},
+ 'target-volume' => {
+ type => 'string',
+ description => "The config key the volume will be moved to. Default is the " .
+ "source volume key.",
+ enum => [PVE::LXC::Config->valid_volume_keys_with_unused()],
+ optional => 1,
+ },
+ 'target-digest' => {
+ type => 'string',
+ description => 'Prevent changes if current configuration file of the target " .
+ "container has a different SHA1 digest. This can be used to prevent " .
+ "concurrent modifications.',
+ maxLength => 40,
+ optional => 1,
+ },
},
},
returns => {
my $vmid = extract_param($param, 'vmid');
+ my $target_vmid = extract_param($param, 'target-vmid');
+
my $storage = extract_param($param, 'storage');
my $mpkey = extract_param($param, 'volume');
+ my $target_mpkey = extract_param($param, 'target-volume') // $mpkey;
+
+ my $digest = extract_param($param, 'digest');
+
+ my $target_digest = extract_param($param, 'target-digest');
+
my $lockname = 'disk';
my ($mpdata, $old_volid);
- PVE::LXC::Config->lock_config($vmid, sub {
- my $conf = PVE::LXC::Config->load_config($vmid);
- PVE::LXC::Config->check_lock($conf);
+ die "either set storage or target-vmid, but not both\n"
+ if $storage && $target_vmid;
- die "cannot move volumes of a running container\n" if PVE::LXC::check_running($vmid);
+ my $storecfg = PVE::Storage::config();
- $mpdata = PVE::LXC::Config->parse_volume($mpkey, $conf->{$mpkey});
- $old_volid = $mpdata->{volume};
+ my $move_to_storage_checks = sub {
+ PVE::LXC::Config->lock_config($vmid, sub {
+ my $conf = PVE::LXC::Config->load_config($vmid);
+ PVE::LXC::Config->check_lock($conf);
- die "you can't move a volume with snapshots and delete the source\n"
- if $param->{delete} && PVE::LXC::Config->is_volume_in_use_by_snapshots($conf, $old_volid);
+ die "cannot move volumes of a running container\n"
+ if PVE::LXC::check_running($vmid);
- PVE::Tools::assert_if_modified($param->{digest}, $conf->{digest});
+ if ($mpkey =~ m/^unused\d+$/) {
+ die "cannot move volume '$mpkey', only configured volumes can be moved to ".
+ "another storage\n";
+ }
- PVE::LXC::Config->set_lock($vmid, $lockname);
- });
+ $mpdata = PVE::LXC::Config->parse_volume($mpkey, $conf->{$mpkey});
+ $old_volid = $mpdata->{volume};
- my $realcmd = sub {
+ die "you can't move a volume with snapshots and delete the source\n"
+ if $param->{delete} && PVE::LXC::Config->is_volume_in_use_by_snapshots($conf, $old_volid);
+
+ PVE::Tools::assert_if_modified($digest, $conf->{digest});
+
+ PVE::LXC::Config->set_lock($vmid, $lockname);
+ });
+ };
+
+ my $storage_realcmd = sub {
eval {
- PVE::Cluster::log_msg('info', $authuser, "move volume CT $vmid: move --volume $mpkey --storage $storage");
+ PVE::Cluster::log_msg(
+ 'info',
+ $authuser,
+ "move volume CT $vmid: move --volume $mpkey --storage $storage"
+ );
my $conf = PVE::LXC::Config->load_config($vmid);
my $storage_cfg = PVE::Storage::config();
PVE::Storage::activate_volumes($storage_cfg, [ $old_volid ]);
my $bwlimit = extract_param($param, 'bwlimit');
my $source_storage = PVE::Storage::parse_volume_id($old_volid);
- my $movelimit = PVE::Storage::get_bandwidth_limit('move', [$source_storage, $storage], $bwlimit);
- $new_volid = PVE::LXC::copy_volume($mpdata, $vmid, $storage, $storage_cfg, $conf, undef, $movelimit);
+ my $movelimit = PVE::Storage::get_bandwidth_limit(
+ 'move',
+ [$source_storage, $storage],
+ $bwlimit
+ );
+ $new_volid = PVE::LXC::copy_volume(
+ $mpdata,
+ $vmid,
+ $storage,
+ $storage_cfg,
+ $conf,
+ undef,
+ $movelimit
+ );
if (PVE::LXC::Config->is_template($conf)) {
PVE::Storage::activate_volumes($storage_cfg, [ $new_volid ]);
my $template_volid = PVE::Storage::vdisk_create_base($storage_cfg, $new_volid);
$conf = PVE::LXC::Config->load_config($vmid);
PVE::Tools::assert_if_modified($digest, $conf->{digest});
- $conf->{$mpkey} = PVE::LXC::Config->print_ct_mountpoint($mpdata, $mpkey eq 'rootfs');
+ $conf->{$mpkey} = PVE::LXC::Config->print_ct_mountpoint(
+ $mpdata,
+ $mpkey eq 'rootfs'
+ );
PVE::LXC::Config->add_unused_volume($conf, $old_volid) if !$param->{delete};
warn $@ if $@;
die $err if $err;
};
- my $task = eval {
- $rpcenv->fork_worker('move_volume', $vmid, $authuser, $realcmd);
+
+ my $load_and_check_reassign_configs = sub {
+ my $vmlist = PVE::Cluster::get_vmlist()->{ids};
+
+ die "Cannot move to/from 'rootfs'\n" if $mpkey eq "rootfs" || $target_mpkey eq "rootfs";
+
+ if ($mpkey =~ m/^unused\d+$/ && $target_mpkey !~ m/^unused\d+$/) {
+ die "Moving an unused volume to a used one is not possible\n";
+ }
+ die "could not find CT ${vmid}\n" if !exists($vmlist->{$vmid});
+ die "could not find CT ${target_vmid}\n" if !exists($vmlist->{$target_vmid});
+
+ my $source_node = $vmlist->{$vmid}->{node};
+ my $target_node = $vmlist->{$target_vmid}->{node};
+
+ die "Both containers need to be on the same node ($source_node != $target_node)\n"
+ if $source_node ne $target_node;
+
+ my $source_conf = PVE::LXC::Config->load_config($vmid);
+ PVE::LXC::Config->check_lock($source_conf);
+ my $target_conf = PVE::LXC::Config->load_config($target_vmid);
+ PVE::LXC::Config->check_lock($target_conf);
+
+ die "Can't move volumes from or to template CT\n"
+ if ($source_conf->{template} || $target_conf->{template});
+
+ if ($digest) {
+ eval { PVE::Tools::assert_if_modified($digest, $source_conf->{digest}) };
+ die "Container ${vmid}: $@" if $@;
+ }
+
+ if ($target_digest) {
+ eval { PVE::Tools::assert_if_modified($target_digest, $target_conf->{digest}) };
+ die "Container ${target_vmid}: $@" if $@;
+ }
+
+ die "volume '${mpkey}' for container '$vmid' does not exist\n"
+ if !defined($source_conf->{$mpkey});
+
+ die "Target volume key '${target_mpkey}' is already in use for container '$target_vmid'\n"
+ if exists $target_conf->{$target_mpkey};
+
+ my $drive = PVE::LXC::Config->parse_volume(
+ $mpkey,
+ $source_conf->{$mpkey},
+ );
+
+ my $source_volid = $drive->{volume};
+
+ die "Volume '${mpkey}' has no associated image\n"
+ if !$source_volid;
+ die "Cannot move volume used by a snapshot to another container\n"
+ if PVE::LXC::Config->is_volume_in_use_by_snapshots($source_conf, $source_volid);
+ die "Storage does not support moving of this disk to another container\n"
+ if !PVE::Storage::volume_has_feature($storecfg, 'rename', $source_volid);
+ die "Cannot move a bindmount or device mount to another container\n"
+ if $drive->{type} ne "volume";
+ die "Cannot move volume to another container while the source is running - detach first\n"
+ if PVE::LXC::check_running($vmid) && $mpkey !~ m/^unused\d+$/;
+
+ my $repl_conf = PVE::ReplicationConfig->new();
+ if ($repl_conf->check_for_existing_jobs($target_vmid, 1)) {
+ my ($storeid, undef) = PVE::Storage::parse_volume_id($source_volid);
+ my $format = (PVE::Storage::parse_volname($storecfg, $source_volid))[6];
+
+ die "Cannot move volume on storage '$storeid' to a replicated container - missing replication support\n"
+ if !PVE::Storage::storage_can_replicate($storecfg, $storeid, $format);
+ }
+
+ return ($source_conf, $target_conf, $drive);
};
- if (my $err = $@) {
- eval { PVE::LXC::Config->remove_lock($vmid, $lockname) };
- warn $@ if $@;
- die $err;
+
+ my $logfunc = sub {
+ my ($msg) = @_;
+ print STDERR "$msg\n";
+ };
+
+ my $volume_reassignfn = sub {
+ return PVE::LXC::Config->lock_config($vmid, sub {
+ return PVE::LXC::Config->lock_config($target_vmid, sub {
+ my ($source_conf, $target_conf, $drive) = &$load_and_check_reassign_configs();
+ my $source_volid = $drive->{volume};
+
+ my $target_unused = $target_mpkey =~ m/^unused\d+$/;
+
+ print "moving volume '$mpkey' from container '$vmid' to '$target_vmid'\n";
+
+ my ($storage, $source_volname) = PVE::Storage::parse_volume_id($source_volid);
+
+ my $fmt = (PVE::Storage::parse_volname($storecfg, $source_volid))[6];
+
+ my $new_volid = PVE::Storage::rename_volume(
+ $storecfg,
+ $source_volid,
+ $target_vmid,
+ );
+
+ $drive->{volume} = $new_volid;
+
+ delete $source_conf->{$mpkey};
+ print "removing volume '${mpkey}' from container '${vmid}' config\n";
+ PVE::LXC::Config->write_config($vmid, $source_conf);
+
+ my $drive_string;
+
+ if ($target_unused) {
+ $drive_string = $new_volid;
+ } else {
+ $drive_string = PVE::LXC::Config->print_volume($target_mpkey, $drive);
+ }
+
+ if ($target_unused) {
+ $target_conf->{$target_mpkey} = $drive_string;
+ } else {
+ my $running = PVE::LXC::check_running($target_vmid);
+ my $param = { $target_mpkey => $drive_string };
+ my $errors = PVE::LXC::Config->update_pct_config(
+ $target_vmid,
+ $target_conf,
+ $running,
+ $param
+ );
+
+ foreach my $key (keys %$errors) {
+ $rpcenv->warn($errors->{$key});
+ }
+ }
+
+ PVE::LXC::Config->write_config($target_vmid, $target_conf);
+ $target_conf = PVE::LXC::Config->load_config($target_vmid);
+
+ PVE::LXC::update_lxc_config($target_vmid, $target_conf) if !$target_unused;
+ print "target container '$target_vmid' updated with '$target_mpkey'\n";
+
+ # remove possible replication snapshots
+ if (PVE::Storage::volume_has_feature($storecfg,'replicate', $source_volid)) {
+ eval {
+ PVE::Replication::prepare(
+ $storecfg,
+ [$new_volid],
+ undef,
+ 1,
+ undef,
+ $logfunc,
+ )
+ };
+ if (my $err = $@) {
+ $rpcenv->warn("Failed to remove replication snapshots on volume ".
+ "'${target_mpkey}'. Manual cleanup could be necessary. " .
+ "Error: ${err}\n");
+ }
+ }
+ });
+ });
+ };
+
+ if ($target_vmid && $storage) {
+ my $msg = "either set 'storage' or 'target-vmid', but not both";
+ raise_param_exc({ 'target-vmid' => $msg, 'storage' => $msg });
+ } elsif ($target_vmid) {
+ $rpcenv->check_vm_perm($authuser, $target_vmid, undef, ['VM.Config.Disk'])
+ if $authuser ne 'root@pam';
+
+ if ($vmid eq $target_vmid) {
+ my $msg = "must be different than source VMID to move disk to another container";
+ raise_param_exc({ 'target-vmid' => $msg });
+ }
+
+ my (undef, undef, $drive) = &$load_and_check_reassign_configs();
+ my $storeid = PVE::Storage::parse_volume_id($drive->{volume});
+ $rpcenv->check($authuser, "/storage/$storeid", ['Datastore.AllocateSpace']);
+ return $rpcenv->fork_worker(
+ 'move_volume',
+ "${vmid}-${mpkey}>${target_vmid}-${target_mpkey}",
+ $authuser,
+ $volume_reassignfn
+ );
+ } elsif ($storage) {
+ $rpcenv->check($authuser, "/storage/$storage", ['Datastore.AllocateSpace']);
+ &$move_to_storage_checks();
+ my $task = eval {
+ $rpcenv->fork_worker('move_volume', $vmid, $authuser, $storage_realcmd);
+ };
+ if (my $err = $@) {
+ eval { PVE::LXC::Config->remove_lock($vmid, $lockname) };
+ warn $@ if $@;
+ die $err;
+ }
+ return $task;
+ } else {
+ my $msg = "both 'storage' and 'target-vmid' missing, either needs to be set";
+ raise_param_exc({ 'target-vmid' => $msg, 'storage' => $msg });
}
- return $task;
}});
__PACKAGE__->register_method({