+++ /dev/null
-package PVE::Storage;
-
-use strict;
-use warnings;
-use Data::Dumper;
-
-use POSIX;
-use IO::Select;
-use IO::File;
-use IO::Socket::IP;
-use File::Basename;
-use File::Path;
-use Cwd 'abs_path';
-use Socket;
-
-use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
-use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
-use PVE::DataCenterConfig;
-use PVE::Exception qw(raise_param_exc);
-use PVE::JSONSchema;
-use PVE::INotify;
-use PVE::RPCEnvironment;
-use PVE::SSHInfo;
-
-use PVE::Storage::Plugin;
-use PVE::Storage::DirPlugin;
-use PVE::Storage::LVMPlugin;
-use PVE::Storage::LvmThinPlugin;
-use PVE::Storage::NFSPlugin;
-use PVE::Storage::CIFSPlugin;
-use PVE::Storage::ISCSIPlugin;
-use PVE::Storage::RBDPlugin;
-use PVE::Storage::CephFSPlugin;
-use PVE::Storage::ISCSIDirectPlugin;
-use PVE::Storage::GlusterfsPlugin;
-use PVE::Storage::ZFSPoolPlugin;
-use PVE::Storage::ZFSPlugin;
-use PVE::Storage::DRBDPlugin;
-use PVE::Storage::PBSPlugin;
-
-# Storage API version. Icrement it on changes in storage API interface.
-use constant APIVER => 5;
-# Age is the number of versions we're backward compatible with.
-# This is like having 'current=APIVER' and age='APIAGE' in libtool,
-# see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
-use constant APIAGE => 4;
-
-# load standard plugins
-PVE::Storage::DirPlugin->register();
-PVE::Storage::LVMPlugin->register();
-PVE::Storage::LvmThinPlugin->register();
-PVE::Storage::NFSPlugin->register();
-PVE::Storage::CIFSPlugin->register();
-PVE::Storage::ISCSIPlugin->register();
-PVE::Storage::RBDPlugin->register();
-PVE::Storage::CephFSPlugin->register();
-PVE::Storage::ISCSIDirectPlugin->register();
-PVE::Storage::GlusterfsPlugin->register();
-PVE::Storage::ZFSPoolPlugin->register();
-PVE::Storage::ZFSPlugin->register();
-PVE::Storage::DRBDPlugin->register();
-PVE::Storage::PBSPlugin->register();
-
-# load third-party plugins
-if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
- dir_glob_foreach('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', sub {
- my ($file) = @_;
- my $modname = 'PVE::Storage::Custom::' . $file;
- $modname =~ s!\.pm$!!;
- $file = 'PVE/Storage/Custom/' . $file;
-
- eval {
- require $file;
-
- # Check perl interface:
- die "not derived from PVE::Storage::Plugin\n"
- if !$modname->isa('PVE::Storage::Plugin');
- die "does not provide an api() method\n"
- if !$modname->can('api');
- # Check storage API version and that file is really storage plugin.
- my $version = $modname->api();
- die "implements an API version newer than current ($version > " . APIVER . ")\n"
- if $version > APIVER;
- my $min_version = (APIVER - APIAGE);
- die "API version too old, please update the plugin ($version < $min_version)\n"
- if $version < $min_version;
- import $file;
- $modname->register();
-
- # If we got this far and the API version is not the same, make some
- # noise:
- warn "Plugin \"$modname\" is implementing an older storage API, an upgrade is recommended\n"
- if $version != APIVER;
- };
- if ($@) {
- warn "Error loading storage plugin \"$modname\": $@";
- }
- });
-}
-
-# initialize all plugins
-PVE::Storage::Plugin->init();
-
-my $UDEVADM = '/sbin/udevadm';
-
-our $iso_extension_re = qr/\.(?:iso|img)/i;
-
-# PVE::Storage utility functions
-
-sub config {
- return cfs_read_file("storage.cfg");
-}
-
-sub write_config {
- my ($cfg) = @_;
-
- cfs_write_file('storage.cfg', $cfg);
-}
-
-sub lock_storage_config {
- my ($code, $errmsg) = @_;
-
- cfs_lock_file("storage.cfg", undef, $code);
- my $err = $@;
- if ($err) {
- $errmsg ? die "$errmsg: $err" : die $err;
- }
-}
-
-sub storage_config {
- my ($cfg, $storeid, $noerr) = @_;
-
- die "no storage ID specified\n" if !$storeid;
-
- my $scfg = $cfg->{ids}->{$storeid};
-
- die "storage '$storeid' does not exist\n" if (!$noerr && !$scfg);
-
- return $scfg;
-}
-
-sub storage_check_node {
- my ($cfg, $storeid, $node, $noerr) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
-
- if ($scfg->{nodes}) {
- $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost');
- if (!$scfg->{nodes}->{$node}) {
- die "storage '$storeid' is not available on node '$node'\n" if !$noerr;
- return undef;
- }
- }
-
- return $scfg;
-}
-
-sub storage_check_enabled {
- my ($cfg, $storeid, $node, $noerr) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
-
- if ($scfg->{disable}) {
- die "storage '$storeid' is disabled\n" if !$noerr;
- return undef;
- }
-
- return storage_check_node($cfg, $storeid, $node, $noerr);
-}
-
-# storage_can_replicate:
-# return true if storage supports replication
-# (volumes alocated with vdisk_alloc() has replication feature)
-sub storage_can_replicate {
- my ($cfg, $storeid, $format) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->storage_can_replicate($scfg, $storeid, $format);
-}
-
-sub storage_ids {
- my ($cfg) = @_;
-
- return keys %{$cfg->{ids}};
-}
-
-sub file_size_info {
- my ($filename, $timeout) = @_;
-
- return PVE::Storage::Plugin::file_size_info($filename, $timeout);
-}
-
-sub volume_size_info {
- my ($cfg, $volid, $timeout) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- return file_size_info($volid, $timeout);
- } else {
- return 0;
- }
-}
-
-sub volume_resize {
- my ($cfg, $volid, $size, $running) = @_;
-
- my $padding = (1024 - $size % 1024) % 1024;
- $size = $size + $padding;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "resize file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
-sub volume_rollback_is_possible {
- my ($cfg, $volid, $snap) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "snapshot rollback file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
-sub volume_snapshot {
- my ($cfg, $volid, $snap) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "snapshot file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
-sub volume_snapshot_rollback {
- my ($cfg, $volid, $snap) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
- return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "snapshot rollback file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
-sub volume_snapshot_delete {
- my ($cfg, $volid, $snap, $running) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "snapshot delete file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
-# check if a volume or snapshot supports a given feature
-# $feature - one of:
-# clone - linked clone is possible
-# copy - full clone is possible
-# replicate - replication is possible
-# snapshot - taking a snapshot is possible
-# sparseinit - volume is sparsely initialized
-# template - conversion to base image is possible
-# $snap - check if the feature is supported for a given snapshot
-# $running - if the guest owning the volume is running
-# $opts - hash with further options:
-# valid_target_formats - list of formats for the target of a copy/clone
-# operation that the caller could work with. The
-# format of $volid is always considered valid and if
-# no list is specified, all formats are considered valid.
-sub volume_has_feature {
- my ($cfg, $feature, $volid, $snap, $running, $opts) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running, $opts);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- return undef;
- } else {
- return undef;
- }
-}
-
-sub volume_snapshot_list {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_snapshot_list($scfg, $storeid, $volname);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "send file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
- # return an empty array if dataset does not exist.
-}
-
-sub get_image_dir {
- my ($cfg, $storeid, $vmid) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- my $path = $plugin->get_subdir($scfg, 'images');
-
- return $vmid ? "$path/$vmid" : $path;
-}
-
-sub get_private_dir {
- my ($cfg, $storeid, $vmid) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- my $path = $plugin->get_subdir($scfg, 'rootdir');
-
- return $vmid ? "$path/$vmid" : $path;
-}
-
-sub get_iso_dir {
- my ($cfg, $storeid) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- return $plugin->get_subdir($scfg, 'iso');
-}
-
-sub get_vztmpl_dir {
- my ($cfg, $storeid) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- return $plugin->get_subdir($scfg, 'vztmpl');
-}
-
-sub get_backup_dir {
- my ($cfg, $storeid) = @_;
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- return $plugin->get_subdir($scfg, 'backup');
-}
-
-# library implementation
-
-sub parse_vmid {
- my $vmid = shift;
-
- die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/;
-
- return int($vmid);
-}
-
-# NOTE: basename and basevmid are always undef for LVM-thin, where the
-# clone -> base reference is not encoded in the volume ID.
-# see note in PVE::Storage::LvmThinPlugin for details.
-sub parse_volname {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- # returns ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format)
-
- return $plugin->parse_volname($volname);
-}
-
-sub parse_volume_id {
- my ($volid, $noerr) = @_;
-
- return PVE::Storage::Plugin::parse_volume_id($volid, $noerr);
-}
-
-# test if we have read access to volid
-sub check_volume_access {
- my ($rpcenv, $user, $cfg, $vmid, $volid) = @_;
-
- my ($sid, $volname) = parse_volume_id($volid, 1);
- if ($sid) {
- my ($vtype, undef, $ownervm) = parse_volname($cfg, $volid);
- if ($vtype eq 'iso' || $vtype eq 'vztmpl') {
- # require at least read access to storage, (custom) templates/ISOs could be sensitive
- $rpcenv->check_any($user, "/storage/$sid", ['Datastore.AllocateSpace', 'Datastore.Audit']);
- } elsif (defined($ownervm) && defined($vmid) && ($ownervm == $vmid)) {
- # we are owner - allow access
- } elsif ($vtype eq 'backup' && $ownervm) {
- $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']);
- $rpcenv->check($user, "/vms/$ownervm", ['VM.Backup']);
- } else {
- # allow if we are Datastore administrator
- $rpcenv->check($user, "/storage/$sid", ['Datastore.Allocate']);
- }
- } else {
- die "Only root can pass arbitrary filesystem paths."
- if $user ne 'root@pam';
- }
-
- return undef;
-}
-
-my $volume_is_base_and_used__no_lock = sub {
- my ($scfg, $storeid, $plugin, $volname) = @_;
-
- my ($vtype, $name, $vmid, undef, undef, $isBase, undef) =
- $plugin->parse_volname($volname);
-
- if ($isBase) {
- my $vollist = $plugin->list_images($storeid, $scfg);
- foreach my $info (@$vollist) {
- my (undef, $tmpvolname) = parse_volume_id($info->{volid});
- my $basename = undef;
- my $basevmid = undef;
-
- eval{
- (undef, undef, undef, $basename, $basevmid) =
- $plugin->parse_volname($tmpvolname);
- };
-
- if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
- return 1;
- }
- }
- }
- return 0;
-};
-
-# NOTE: this check does not work for LVM-thin, where the clone -> base
-# reference is not encoded in the volume ID.
-# see note in PVE::Storage::LvmThinPlugin for details.
-sub volume_is_base_and_used {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- return &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname);
- });
-}
-
-# try to map a filesystem path to a volume identifier
-sub path_to_volume_id {
- my ($cfg, $path) = @_;
-
- my $ids = $cfg->{ids};
-
- my ($sid, $volname) = parse_volume_id($path, 1);
- if ($sid) {
- if (my $scfg = $ids->{$sid}) {
- if ($scfg->{path}) {
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my ($vtype, $name, $vmid) = $plugin->parse_volname($volname);
- return ($vtype, $path);
- }
- }
- return ('');
- }
-
- # Note: abs_path() return undef if $path doesn not exist
- # for example when nfs storage is not mounted
- $path = abs_path($path) || $path;
-
- foreach my $sid (keys %$ids) {
- my $scfg = $ids->{$sid};
- next if !$scfg->{path};
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my $imagedir = $plugin->get_subdir($scfg, 'images');
- my $isodir = $plugin->get_subdir($scfg, 'iso');
- my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl');
- my $backupdir = $plugin->get_subdir($scfg, 'backup');
- my $privatedir = $plugin->get_subdir($scfg, 'rootdir');
- my $snippetsdir = $plugin->get_subdir($scfg, 'snippets');
-
- if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) {
- my $vmid = $1;
- my $name = $2;
-
- my $vollist = $plugin->list_images($sid, $scfg, $vmid);
- foreach my $info (@$vollist) {
- my ($storeid, $volname) = parse_volume_id($info->{volid});
- my $volpath = $plugin->path($scfg, $volname, $storeid);
- if ($volpath eq $path) {
- return ('images', $info->{volid});
- }
- }
- } elsif ($path =~ m!^$isodir/([^/]+$iso_extension_re)$!) {
- my $name = $1;
- return ('iso', "$sid:iso/$name");
- } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) {
- my $name = $1;
- return ('vztmpl', "$sid:vztmpl/$name");
- } elsif ($path =~ m!^$privatedir/(\d+)$!) {
- my $vmid = $1;
- return ('rootdir', "$sid:rootdir/$vmid");
- } elsif ($path =~ m!^$backupdir/([^/]+\.(?:tgz|(?:(?:tar|vma)(?:\.(?:${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)))$!) {
- my $name = $1;
- return ('backup', "$sid:backup/$name");
- } elsif ($path =~ m!^$snippetsdir/([^/]+)$!) {
- my $name = $1;
- return ('snippets', "$sid:snippets/$name");
- }
- }
-
- # can't map path to volume id
- return ('');
-}
-
-sub path {
- my ($cfg, $volid, $snapname) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid, $snapname);
- return wantarray ? ($path, $owner, $vtype) : $path;
-}
-
-sub abs_filesystem_path {
- my ($cfg, $volid) = @_;
-
- my $path;
- if (parse_volume_id ($volid, 1)) {
- activate_volumes($cfg, [ $volid ]);
- $path = PVE::Storage::path($cfg, $volid);
- } else {
- if (-f $volid) {
- my $abspath = abs_path($volid);
- if ($abspath && $abspath =~ m|^(/.+)$|) {
- $path = $1; # untaint any path
- }
- }
- }
-
- die "can't find file '$volid'\n" if !($path && -f $path);
-
- return $path;
-}
-
-my $volname_for_storage = sub {
- my ($cfg, $volid, $target_storeid) = @_;
-
- my (undef, $name, $vmid, undef, undef, undef, $format) = parse_volname($cfg, $volid);
- my $target_scfg = storage_config($cfg, $target_storeid);
-
- my (undef, $valid_formats) = PVE::Storage::Plugin::default_format($target_scfg);
- my $format_is_valid = grep { $_ eq $format } @$valid_formats;
- die "unsupported format '$format' for storage type $target_scfg->{type}\n" if !$format_is_valid;
-
- (my $name_without_extension = $name) =~ s/\.$format$//;
-
- if ($target_scfg->{path}) {
- return "$vmid/$name_without_extension.$format";
- } else {
- return "$name_without_extension";
- }
-};
-
-sub storage_migrate {
- my ($cfg, $volid, $target_sshinfo, $target_storeid, $opts, $logfunc) = @_;
-
- my $base_snapshot = $opts->{base_snapshot};
- my $snapshot = $opts->{snapshot};
- my $ratelimit_bps = $opts->{ratelimit_bps};
- my $insecure = $opts->{insecure};
- my $with_snapshots = $opts->{with_snapshots} ? 1 : 0;
- my $allow_rename = $opts->{allow_rename} ? 1 : 0;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- # no need to migrate shared content
- return $volid if $storeid eq $target_storeid && $scfg->{shared};
-
- my $tcfg = storage_config($cfg, $target_storeid);
-
- my $vtype = (parse_volname($cfg, $volid))[0];
-
- die "content type '$vtype' is not available on storage '$target_storeid'\n"
- if !$tcfg->{content}->{$vtype};
-
- my $target_volname;
- if ($opts->{target_volname}) {
- $target_volname = $opts->{target_volname};
- } elsif ($scfg->{type} eq $tcfg->{type}) {
- $target_volname = $volname;
- } else {
- $target_volname = $volname_for_storage->($cfg, $volid, $target_storeid);
- }
-
- my $target_volid = "${target_storeid}:${target_volname}";
-
- my $target_ip = $target_sshinfo->{ip};
-
- my $ssh = PVE::SSHInfo::ssh_info_to_command($target_sshinfo);
- my $ssh_base = PVE::SSHInfo::ssh_info_to_command_base($target_sshinfo);
- local $ENV{RSYNC_RSH} = PVE::Tools::cmd2string($ssh_base);
-
- my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ])
- if defined($ratelimit_bps);
-
- my $migration_snapshot;
- if (!defined($snapshot)) {
- if ($scfg->{type} eq 'zfspool') {
- $migration_snapshot = 1;
- $snapshot = '__migration__';
- }
- }
-
- my @formats = volume_transfer_formats($cfg, $volid, $target_volid, $snapshot, $base_snapshot, $with_snapshots);
- die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
- my $format = $formats[0];
-
- my $import_fn = '-'; # let pvesm import read from stdin per default
- if ($insecure) {
- my $net = $target_sshinfo->{network} // $target_sshinfo->{ip};
- $import_fn = "tcp://$net";
- }
-
- my $target_apiver = 1; # if there is no apiinfo call, assume 1
- my $get_api_version = [@$ssh, 'pvesm', 'apiinfo'];
- my $match_api_version = sub { $target_apiver = $1 if $_[0] =~ m!^APIVER (\d+)$!; };
- eval { run_command($get_api_version, logfunc => $match_api_version); };
-
- my $send = ['pvesm', 'export', $volid, $format, '-', '-with-snapshots', $with_snapshots];
- my $recv = [@$ssh, '--', 'pvesm', 'import', $target_volid, $format, $import_fn, '-with-snapshots', $with_snapshots];
- if (defined($snapshot)) {
- push @$send, '-snapshot', $snapshot
- }
- if ($migration_snapshot) {
- push @$recv, '-delete-snapshot', $snapshot;
- }
- push @$recv, '-allow-rename', $allow_rename if $target_apiver >= 5;
-
- if (defined($base_snapshot)) {
- # Check if the snapshot exists on the remote side:
- push @$send, '-base', $base_snapshot;
- push @$recv, '-base', $base_snapshot;
- }
-
- my $new_volid;
- my $pattern = volume_imported_message(undef, 1);
- my $match_volid_and_log = sub {
- my $line = shift;
-
- $new_volid = $1 if ($line =~ $pattern);
-
- if ($logfunc) {
- chomp($line);
- $logfunc->($line);
- }
- };
-
- volume_snapshot($cfg, $volid, $snapshot) if $migration_snapshot;
- eval {
- if ($insecure) {
- open(my $info, '-|', @$recv)
- or die "receive command failed: $!\n";
- my ($ip) = <$info> =~ /^($PVE::Tools::IPRE)$/ or die "no tunnel IP received\n";
- my ($port) = <$info> =~ /^(\d+)$/ or die "no tunnel port received\n";
- my $socket = IO::Socket::IP->new(PeerHost => $ip, PeerPort => $port, Type => SOCK_STREAM)
- or die "failed to connect to tunnel at $ip:$port\n";
- # we won't be reading from the socket
- shutdown($socket, 0);
- run_command([$send, @cstream], output => '>&'.fileno($socket), errfunc => $logfunc);
- # don't close the connection entirely otherwise the receiving end
- # might not get all buffered data (and fails with 'connection reset by peer')
- shutdown($socket, 1);
-
- # wait for the remote process to finish
- while (my $line = <$info>) {
- $match_volid_and_log->("[$target_sshinfo->{name}] $line");
- }
-
- # now close the socket
- close($socket);
- if (!close($info)) { # does waitpid()
- die "import failed: $!\n" if $!;
- die "import failed: exit code ".($?>>8)."\n";
- }
- } else {
- run_command([$send, @cstream, $recv], logfunc => $match_volid_and_log);
- }
-
- die "unable to get ID of the migrated volume\n"
- if !defined($new_volid) && $target_apiver >= 5;
- };
- my $err = $@;
- warn "send/receive failed, cleaning up snapshot(s)..\n" if $err;
- if ($migration_snapshot) {
- eval { volume_snapshot_delete($cfg, $volid, $snapshot, 0) };
- warn "could not remove source snapshot: $@\n" if $@;
- }
- die $err if $err;
-
- return $new_volid // $target_volid;
-}
-
-sub vdisk_clone {
- my ($cfg, $volid, $vmid, $snap) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- activate_storage($cfg, $storeid);
-
- # lock shared storage
- return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid, $snap);
- return "$storeid:$volname";
- });
-}
-
-sub vdisk_create_base {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- activate_storage($cfg, $storeid);
-
- # lock shared storage
- return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- my $volname = $plugin->create_base($storeid, $scfg, $volname);
- return "$storeid:$volname";
- });
-}
-
-sub map_volume {
- my ($cfg, $volid, $snapname) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- return $plugin->map_volume($storeid, $scfg, $volname, $snapname);
-}
-
-sub unmap_volume {
- my ($cfg, $volid, $snapname) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- return $plugin->unmap_volume($storeid, $scfg, $volname, $snapname);
-}
-
-sub vdisk_alloc {
- my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_;
-
- die "no storage ID specified\n" if !$storeid;
-
- PVE::JSONSchema::parse_storage_id($storeid);
-
- my $scfg = storage_config($cfg, $storeid);
-
- die "no VMID specified\n" if !$vmid;
-
- $vmid = parse_vmid($vmid);
-
- my $defformat = PVE::Storage::Plugin::default_format($scfg);
-
- $fmt = $defformat if !$fmt;
-
- activate_storage($cfg, $storeid);
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- # lock shared storage
- return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- my $old_umask = umask(umask|0037);
- my $volname = eval { $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size) };
- my $err = $@;
- umask $old_umask;
- die $err if $err;
- return "$storeid:$volname";
- });
-}
-
-sub vdisk_free {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- activate_storage($cfg, $storeid);
-
- my $cleanup_worker;
-
- # lock shared storage
- $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- # LVM-thin allows deletion of still referenced base volumes!
- die "base volume '$volname' is still in use by linked clones\n"
- if &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname);
-
- my (undef, undef, undef, undef, undef, $isBase, $format) =
- $plugin->parse_volname($volname);
- $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase, $format);
- });
-
- return if !$cleanup_worker;
-
- my $rpcenv = PVE::RPCEnvironment::get();
- my $authuser = $rpcenv->get_user();
-
- $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker);
-}
-
-sub vdisk_list {
- my ($cfg, $storeid, $vmid, $vollist) = @_;
-
- my $ids = $cfg->{ids};
-
- storage_check_enabled($cfg, $storeid) if ($storeid);
-
- my $res = {};
-
- # prepare/activate/refresh all storages
-
- my $storage_list = [];
- if ($vollist) {
- foreach my $volid (@$vollist) {
- my ($sid, undef) = parse_volume_id($volid);
- next if !defined($ids->{$sid});
- next if !storage_check_enabled($cfg, $sid, undef, 1);
- push @$storage_list, $sid;
- }
- } else {
- foreach my $sid (keys %$ids) {
- next if $storeid && $storeid ne $sid;
- next if !storage_check_enabled($cfg, $sid, undef, 1);
- push @$storage_list, $sid;
- }
- }
-
- my $cache = {};
-
- activate_storage_list($cfg, $storage_list, $cache);
-
- foreach my $sid (keys %$ids) {
- next if $storeid && $storeid ne $sid;
- next if !storage_check_enabled($cfg, $sid, undef, 1);
-
- my $scfg = $ids->{$sid};
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache);
- @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid};
- }
-
- return $res;
-}
-
-sub template_list {
- my ($cfg, $storeid, $tt) = @_;
-
- die "unknown template type '$tt'\n"
- if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup' || $tt eq 'snippets');
-
- my $ids = $cfg->{ids};
-
- storage_check_enabled($cfg, $storeid) if ($storeid);
-
- my $res = {};
-
- # query the storage
- foreach my $sid (keys %$ids) {
- next if $storeid && $storeid ne $sid;
-
- my $scfg = $ids->{$sid};
- my $type = $scfg->{type};
-
- next if !$scfg->{content}->{$tt};
-
- next if !storage_check_enabled($cfg, $sid, undef, 1);
-
- $res->{$sid} = volume_list($cfg, $sid, undef, $tt);
- }
-
- return $res;
-}
-
-sub volume_list {
- my ($cfg, $storeid, $vmid, $content) = @_;
-
- my @ctypes = qw(rootdir images vztmpl iso backup snippets);
-
- my $cts = $content ? [ $content ] : [ @ctypes ];
-
- my $scfg = PVE::Storage::storage_config($cfg, $storeid);
-
- $cts = [ grep { defined($scfg->{content}->{$_}) } @$cts ];
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- activate_storage($cfg, $storeid);
-
- my $res = $plugin->list_volumes($storeid, $scfg, $vmid, $cts);
-
- @$res = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @$res;
-
- return $res;
-}
-
-sub uevent_seqnum {
-
- my $filename = "/sys/kernel/uevent_seqnum";
-
- my $seqnum = 0;
- if (my $fh = IO::File->new($filename, "r")) {
- my $line = <$fh>;
- if ($line =~ m/^(\d+)$/) {
- $seqnum = int($1);
- }
- close ($fh);
- }
- return $seqnum;
-}
-
-sub activate_storage {
- my ($cfg, $storeid, $cache) = @_;
-
- $cache = {} if !$cache;
-
- my $scfg = storage_check_enabled($cfg, $storeid);
-
- return if $cache->{activated}->{$storeid};
-
- $cache->{uevent_seqnum} = uevent_seqnum() if !$cache->{uevent_seqnum};
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- if ($scfg->{base}) {
- my ($baseid, undef) = parse_volume_id ($scfg->{base});
- activate_storage($cfg, $baseid, $cache);
- }
-
- if (!$plugin->check_connection($storeid, $scfg)) {
- die "storage '$storeid' is not online\n";
- }
-
- $plugin->activate_storage($storeid, $scfg, $cache);
-
- my $newseq = uevent_seqnum ();
-
- # only call udevsettle if there are events
- if ($newseq > $cache->{uevent_seqnum}) {
- my $timeout = 30;
- system ("$UDEVADM settle --timeout=$timeout"); # ignore errors
- $cache->{uevent_seqnum} = $newseq;
- }
-
- $cache->{activated}->{$storeid} = 1;
-}
-
-sub activate_storage_list {
- my ($cfg, $storeid_list, $cache) = @_;
-
- $cache = {} if !$cache;
-
- foreach my $storeid (@$storeid_list) {
- activate_storage($cfg, $storeid, $cache);
- }
-}
-
-sub deactivate_storage {
- my ($cfg, $storeid) = @_;
-
- my $scfg = storage_config ($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- my $cache = {};
- $plugin->deactivate_storage($storeid, $scfg, $cache);
-}
-
-sub activate_volumes {
- my ($cfg, $vollist, $snapname) = @_;
-
- return if !($vollist && scalar(@$vollist));
-
- my $storagehash = {};
- foreach my $volid (@$vollist) {
- my ($storeid, undef) = parse_volume_id($volid);
- $storagehash->{$storeid} = 1;
- }
-
- my $cache = {};
-
- activate_storage_list($cfg, [keys %$storagehash], $cache);
-
- foreach my $volid (@$vollist) {
- my ($storeid, $volname) = parse_volume_id($volid);
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- $plugin->activate_volume($storeid, $scfg, $volname, $snapname, $cache);
- }
-}
-
-sub deactivate_volumes {
- my ($cfg, $vollist, $snapname) = @_;
-
- return if !($vollist && scalar(@$vollist));
-
- my $cache = {};
-
- my @errlist = ();
- foreach my $volid (@$vollist) {
- my ($storeid, $volname) = parse_volume_id($volid);
-
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- eval {
- $plugin->deactivate_volume($storeid, $scfg, $volname, $snapname, $cache);
- };
- if (my $err = $@) {
- warn $err;
- push @errlist, $volid;
- }
- }
-
- die "volume deactivation failed: " . join(' ', @errlist)
- if scalar(@errlist);
-}
-
-sub storage_info {
- my ($cfg, $content, $includeformat) = @_;
-
- my $ids = $cfg->{ids};
-
- my $info = {};
-
- my @ctypes = PVE::Tools::split_list($content);
-
- my $slist = [];
- foreach my $storeid (keys %$ids) {
- my $storage_enabled = defined(storage_check_enabled($cfg, $storeid, undef, 1));
-
- if (defined($content)) {
- my $want_ctype = 0;
- foreach my $ctype (@ctypes) {
- if ($ids->{$storeid}->{content}->{$ctype}) {
- $want_ctype = 1;
- last;
- }
- }
- next if !$want_ctype || !$storage_enabled;
- }
-
- my $type = $ids->{$storeid}->{type};
-
- $info->{$storeid} = {
- type => $type,
- total => 0,
- avail => 0,
- used => 0,
- shared => $ids->{$storeid}->{shared} ? 1 : 0,
- content => PVE::Storage::Plugin::content_hash_to_string($ids->{$storeid}->{content}),
- active => 0,
- enabled => $storage_enabled ? 1 : 0,
- };
-
- push @$slist, $storeid;
- }
-
- my $cache = {};
-
- foreach my $storeid (keys %$ids) {
- my $scfg = $ids->{$storeid};
-
- next if !$info->{$storeid};
- next if !$info->{$storeid}->{enabled};
-
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- if ($includeformat) {
- my $pd = $plugin->plugindata();
- $info->{$storeid}->{format} = $pd->{format}
- if $pd->{format};
- $info->{$storeid}->{select_existing} = $pd->{select_existing}
- if $pd->{select_existing};
- }
-
- eval { activate_storage($cfg, $storeid, $cache); };
- if (my $err = $@) {
- warn $err;
- next;
- }
-
- my ($total, $avail, $used, $active) = eval { $plugin->status($storeid, $scfg, $cache); };
- warn $@ if $@;
- next if !$active;
- $info->{$storeid}->{total} = int($total);
- $info->{$storeid}->{avail} = int($avail);
- $info->{$storeid}->{used} = int($used);
- $info->{$storeid}->{active} = $active;
- }
-
- return $info;
-}
-
-sub resolv_server {
- my ($server) = @_;
-
- my ($packed_ip, $family);
- eval {
- my @res = PVE::Tools::getaddrinfo_all($server);
- $family = $res[0]->{family};
- $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2];
- };
- if (defined $packed_ip) {
- return Socket::inet_ntop($family, $packed_ip);
- }
- return undef;
-}
-
-sub scan_nfs {
- my ($server_in) = @_;
-
- my $server;
- if (!($server = resolv_server ($server_in))) {
- die "unable to resolve address for server '${server_in}'\n";
- }
-
- my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server];
-
- my $res = {};
- run_command($cmd, outfunc => sub {
- my $line = shift;
-
- # note: howto handle white spaces in export path??
- if ($line =~ m!^(/\S+)\s+(.+)$!) {
- $res->{$1} = $2;
- }
- });
-
- return $res;
-}
-
-sub scan_cifs {
- my ($server_in, $user, $password, $domain) = @_;
-
- my $server;
- if (!($server = resolv_server ($server_in))) {
- die "unable to resolve address for server '${server_in}'\n";
- }
-
- # we support only Windows grater than 2012 cifsscan so use smb3
- my $cmd = ['/usr/bin/smbclient', '-m', 'smb3', '-d', '0', '-L', $server];
- if (defined($user)) {
- die "password is required" if !defined($password);
- push @$cmd, '-U', "$user\%$password";
- push @$cmd, '-W', $domain if defined($domain);
- } else {
- push @$cmd, '-N';
- }
-
- my $res = {};
- run_command($cmd,
- outfunc => sub {
- my $line = shift;
- if ($line =~ m/(\S+)\s*Disk\s*(\S*)/) {
- $res->{$1} = $2;
- } elsif ($line =~ m/(NT_STATUS_(\S*))/) {
- $res->{$1} = '';
- }
- },
- errfunc => sub {},
- noerr => 1
- );
-
- return $res;
-}
-
-sub scan_zfs {
-
- my $cmd = ['zfs', 'list', '-t', 'filesystem', '-Hp', '-o', 'name,avail,used'];
-
- my $res = [];
- run_command($cmd, outfunc => sub {
- my $line = shift;
-
- if ($line =~m/^(\S+)\s+(\S+)\s+(\S+)$/) {
- my ($pool, $size_str, $used_str) = ($1, $2, $3);
- my $size = $size_str + 0;
- my $used = $used_str + 0;
- # ignore subvolumes generated by our ZFSPoolPlugin
- return if $pool =~ m!/subvol-\d+-[^/]+$!;
- return if $pool =~ m!/basevol-\d+-[^/]+$!;
- push @$res, { pool => $pool, size => $size, free => $size-$used };
- }
- });
-
- return $res;
-}
-
-sub resolv_portal {
- my ($portal, $noerr) = @_;
-
- my ($server, $port) = PVE::Tools::parse_host_and_port($portal);
- if ($server) {
- if (my $ip = resolv_server($server)) {
- $server = $ip;
- $server = "[$server]" if $server =~ /^$IPV6RE$/;
- return $port ? "$server:$port" : $server;
- }
- }
- return undef if $noerr;
-
- raise_param_exc({ portal => "unable to resolve portal address '$portal'" });
-}
-
-
-sub scan_iscsi {
- my ($portal_in) = @_;
-
- my $portal;
- if (!($portal = resolv_portal($portal_in))) {
- die "unable to parse/resolve portal address '${portal_in}'\n";
- }
-
- return PVE::Storage::ISCSIPlugin::iscsi_discovery($portal);
-}
-
-sub storage_default_format {
- my ($cfg, $storeid) = @_;
-
- my $scfg = storage_config ($cfg, $storeid);
-
- return PVE::Storage::Plugin::default_format($scfg);
-}
-
-sub vgroup_is_used {
- my ($cfg, $vgname) = @_;
-
- foreach my $storeid (keys %{$cfg->{ids}}) {
- my $scfg = storage_config($cfg, $storeid);
- if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) {
- return 1;
- }
- }
-
- return undef;
-}
-
-sub target_is_used {
- my ($cfg, $target) = @_;
-
- foreach my $storeid (keys %{$cfg->{ids}}) {
- my $scfg = storage_config($cfg, $storeid);
- if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) {
- return 1;
- }
- }
-
- return undef;
-}
-
-sub volume_is_used {
- my ($cfg, $volid) = @_;
-
- foreach my $storeid (keys %{$cfg->{ids}}) {
- my $scfg = storage_config($cfg, $storeid);
- if ($scfg->{base} && $scfg->{base} eq $volid) {
- return 1;
- }
- }
-
- return undef;
-}
-
-sub storage_is_used {
- my ($cfg, $storeid) = @_;
-
- foreach my $sid (keys %{$cfg->{ids}}) {
- my $scfg = storage_config($cfg, $sid);
- next if !$scfg->{base};
- my ($st) = parse_volume_id($scfg->{base});
- return 1 if $st && $st eq $storeid;
- }
-
- return undef;
-}
-
-sub foreach_volid {
- my ($list, $func) = @_;
-
- return if !$list;
-
- foreach my $sid (keys %$list) {
- foreach my $info (@{$list->{$sid}}) {
- my $volid = $info->{volid};
- my ($sid1, $volname) = parse_volume_id($volid, 1);
- if ($sid1 && $sid1 eq $sid) {
- &$func ($volid, $sid, $info);
- } else {
- warn "detected strange volid '$volid' in volume list for '$sid'\n";
- }
- }
- }
-}
-
-sub decompressor_info {
- my ($format, $comp) = @_;
-
- if ($format eq 'tgz' && !defined($comp)) {
- ($format, $comp) = ('tar', 'gz');
- }
-
- my $decompressor = {
- tar => {
- gz => ['tar', '-z'],
- lzo => ['tar', '--lzop'],
- },
- vma => {
- gz => ['zcat'],
- lzo => ['lzop', '-d', '-c'],
- },
- };
-
- die "ERROR: archive format not defined\n"
- if !defined($decompressor->{$format});
-
- my $decomp = $decompressor->{$format}->{$comp} if $comp;
-
- my $info = {
- format => $format,
- compression => $comp,
- decompressor => $decomp,
- };
-
- return $info;
-}
-
-sub archive_info {
- my ($archive) = shift;
- my $info;
-
- my $volid = basename($archive);
- if ($volid =~ /vzdump-(lxc|openvz|qemu)-\d+-(?:\d{4})_(?:\d{2})_(?:\d{2})-(?:\d{2})_(?:\d{2})_(?:\d{2})\.(tgz$|tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?$/) {
- $info = decompressor_info($2, $3);
- $info->{type} = $1;
- } else {
- die "ERROR: couldn't determine format and compression type\n";
- }
-
- return $info;
-}
-
-sub extract_vzdump_config_tar {
- my ($archive, $conf_re) = @_;
-
- die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
-
- my $pid = open(my $fh, '-|', 'tar', 'tf', $archive) ||
- die "unable to open file '$archive'\n";
-
- my $file;
- while (defined($file = <$fh>)) {
- if ($file =~ $conf_re) {
- $file = $1; # untaint
- last;
- }
- }
-
- kill 15, $pid;
- waitpid $pid, 0;
- close $fh;
-
- die "ERROR: archive contains no configuration file\n" if !$file;
- chomp $file;
-
- my $raw = '';
- my $out = sub {
- my $output = shift;
- $raw .= "$output\n";
- };
-
- PVE::Tools::run_command(['tar', '-xpOf', $archive, $file, '--occurrence'], outfunc => $out);
-
- return wantarray ? ($raw, $file) : $raw;
-}
-
-sub extract_vzdump_config_vma {
- my ($archive, $comp) = @_;
-
- my $cmd;
- my $raw = '';
- my $out = sub {
- my $output = shift;
- $raw .= "$output\n";
- };
-
-
- my $info = archive_info($archive);
- $comp //= $info->{compression};
- my $decompressor = $info->{decompressor};
-
- if ($comp) {
- $cmd = [ [@$decompressor, $archive], ["vma", "config", "-"] ];
-
- # in some cases, lzop/zcat exits with 1 when its stdout pipe is
- # closed early by vma, detect this and ignore the exit code later
- my $broken_pipe;
- my $errstring;
- my $err = sub {
- my $output = shift;
- if ($output =~ m/lzop: Broken pipe: <stdout>/ || $output =~ m/gzip: stdout: Broken pipe/) {
- $broken_pipe = 1;
- } elsif (!defined ($errstring) && $output !~ m/^\s*$/) {
- $errstring = "Failed to extract config from VMA archive: $output\n";
- }
- };
-
- # in other cases, the pipeline will exit with exit code 141
- # because of the broken pipe, handle / ignore this as well
- my $rc;
- eval {
- $rc = PVE::Tools::run_command($cmd, outfunc => $out, errfunc => $err, noerr => 1);
- };
- my $rerr = $@;
-
- # use exit code if no stderr output and not just broken pipe
- if (!$errstring && !$broken_pipe && $rc != 0 && $rc != 141) {
- die "$rerr\n" if $rerr;
- die "config extraction failed with exit code $rc\n";
- }
- die "$errstring\n" if $errstring;
- } else {
- # simple case without compression and weird piping behaviour
- PVE::Tools::run_command(["vma", "config", $archive], outfunc => $out);
- }
-
- return wantarray ? ($raw, undef) : $raw;
-}
-
-sub extract_vzdump_config {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
- if (defined($storeid)) {
- my $scfg = storage_config($cfg, $storeid);
- if ($scfg->{type} eq 'pbs') {
- storage_check_enabled($cfg, $storeid);
- return PVE::Storage::PBSPlugin->extract_vzdump_config($scfg, $volname, $storeid);
- }
- }
-
- my $archive = abs_filesystem_path($cfg, $volid);
- my $info = archive_info($archive);
- my $format = $info->{format};
- my $comp = $info->{compression};
- my $type = $info->{type};
-
- if ($type eq 'lxc' || $type eq 'openvz') {
- return extract_vzdump_config_tar($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!);
- } elsif ($type eq 'qemu') {
- if ($format eq 'tar') {
- return extract_vzdump_config_tar($archive, qr!\(\./qemu-server\.conf\)!);
- } else {
- return extract_vzdump_config_vma($archive, $comp);
- }
- } else {
- die "cannot determine backup guest type for backup archive '$volid'\n";
- }
-}
-
-sub volume_export {
- my ($cfg, $fh, $volid, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- die "cannot export volume '$volid'\n" if !$storeid;
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_export($scfg, $storeid, $fh, $volname, $format,
- $snapshot, $base_snapshot, $with_snapshots);
-}
-
-sub volume_import {
- my ($cfg, $fh, $volid, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- die "cannot import into volume '$volid'\n" if !$storeid;
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_import($scfg, $storeid, $fh, $volname, $format,
- $base_snapshot, $with_snapshots, $allow_rename) // $volid;
-}
-
-sub volume_export_formats {
- my ($cfg, $volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- return if !$storeid;
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_export_formats($scfg, $storeid, $volname,
- $snapshot, $base_snapshot,
- $with_snapshots);
-}
-
-sub volume_import_formats {
- my ($cfg, $volid, $base_snapshot, $with_snapshots) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- return if !$storeid;
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_import_formats($scfg, $storeid, $volname,
- $base_snapshot, $with_snapshots);
-}
-
-sub volume_transfer_formats {
- my ($cfg, $src_volid, $dst_volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
- my @export_formats = volume_export_formats($cfg, $src_volid, $snapshot, $base_snapshot, $with_snapshots);
- my @import_formats = volume_import_formats($cfg, $dst_volid, $base_snapshot, $with_snapshots);
- my %import_hash = map { $_ => 1 } @import_formats;
- my @common = grep { $import_hash{$_} } @export_formats;
- return @common;
-}
-
-sub volume_imported_message {
- my ($volid, $want_pattern) = @_;
-
- if ($want_pattern) {
- return qr/successfully imported '([^']*)'$/;
- } else {
- return "successfully imported '$volid'\n";
- }
-}
-
-# bash completion helper
-
-sub complete_storage {
- my ($cmdname, $pname, $cvalue) = @_;
-
- my $cfg = PVE::Storage::config();
-
- return $cmdname eq 'add' ? [] : [ PVE::Storage::storage_ids($cfg) ];
-}
-
-sub complete_storage_enabled {
- my ($cmdname, $pname, $cvalue) = @_;
-
- my $res = [];
-
- my $cfg = PVE::Storage::config();
- foreach my $sid (keys %{$cfg->{ids}}) {
- next if !storage_check_enabled($cfg, $sid, undef, 1);
- push @$res, $sid;
- }
- return $res;
-}
-
-sub complete_content_type {
- my ($cmdname, $pname, $cvalue) = @_;
-
- return [qw(rootdir images vztmpl iso backup snippets)];
-}
-
-sub complete_volume {
- my ($cmdname, $pname, $cvalue) = @_;
-
- my $cfg = config();
-
- my $storage_list = complete_storage_enabled();
-
- if ($cvalue =~ m/^([^:]+):/) {
- $storage_list = [ $1 ];
- } else {
- if (scalar(@$storage_list) > 1) {
- # only list storage IDs to avoid large listings
- my $res = [];
- foreach my $storeid (@$storage_list) {
- # Hack: simply return 2 artificial values, so that
- # completions does not finish
- push @$res, "$storeid:volname", "$storeid:...";
- }
- return $res;
- }
- }
-
- my $res = [];
- foreach my $storeid (@$storage_list) {
- my $vollist = PVE::Storage::volume_list($cfg, $storeid);
-
- foreach my $item (@$vollist) {
- push @$res, $item->{volid};
- }
- }
-
- return $res;
-}
-
-# Various io-heavy operations require io/bandwidth limits which can be
-# configured on multiple levels: The global defaults in datacenter.cfg, and
-# per-storage overrides. When we want to do a restore from storage A to storage
-# B, we should take the smaller limit defined for storages A and B, and if no
-# such limit was specified, use the one from datacenter.cfg.
-sub get_bandwidth_limit {
- my ($operation, $storage_list, $override) = @_;
-
- # called for each limit (global, per-storage) with the 'default' and the
- # $operation limit and should udpate $override for every limit affecting
- # us.
- my $use_global_limits = 0;
- my $apply_limit = sub {
- my ($bwlimit) = @_;
- if (defined($bwlimit)) {
- my $limits = PVE::JSONSchema::parse_property_string('bwlimit', $bwlimit);
- my $limit = $limits->{$operation} // $limits->{default};
- if (defined($limit)) {
- if (!$override || $limit < $override) {
- $override = $limit;
- }
- return;
- }
- }
- # If there was no applicable limit, try to apply the global ones.
- $use_global_limits = 1;
- };
-
- my ($rpcenv, $authuser);
- if (defined($override)) {
- $rpcenv = PVE::RPCEnvironment->get();
- $authuser = $rpcenv->get_user();
- }
-
- # Apply per-storage limits - if there are storages involved.
- if (defined($storage_list) && @$storage_list) {
- my $config = config();
-
- # The Datastore.Allocate permission allows us to modify the per-storage
- # limits, therefore it also allows us to override them.
- # Since we have most likely multiple storages to check, do a quick check on
- # the general '/storage' path to see if we can skip the checks entirely:
- return $override if $rpcenv && $rpcenv->check($authuser, '/storage', ['Datastore.Allocate'], 1);
-
- my %done;
- foreach my $storage (@$storage_list) {
- next if !defined($storage);
- # Avoid duplicate checks:
- next if $done{$storage};
- $done{$storage} = 1;
-
- # Otherwise we may still have individual /storage/$ID permissions:
- if (!$rpcenv || !$rpcenv->check($authuser, "/storage/$storage", ['Datastore.Allocate'], 1)) {
- # And if not: apply the limits.
- my $storecfg = storage_config($config, $storage);
- $apply_limit->($storecfg->{bwlimit});
- }
- }
-
- # Storage limits take precedence over the datacenter defaults, so if
- # a limit was applied:
- return $override if !$use_global_limits;
- }
-
- # Sys.Modify on '/' means we can change datacenter.cfg which contains the
- # global default limits.
- if (!$rpcenv || !$rpcenv->check($authuser, '/', ['Sys.Modify'], 1)) {
- # So if we cannot modify global limits, apply them to our currently
- # requested override.
- my $dc = cfs_read_file('datacenter.cfg');
- $apply_limit->($dc->{bwlimit});
- }
-
- return $override;
-}
-
-# checks if the storage id is available and dies if not
-sub assert_sid_unused {
- my ($sid) = @_;
-
- my $cfg = config();
- if (my $scfg = storage_config($cfg, $sid, 1)) {
- die "storage ID '$sid' already defined\n";
- }
-
- return undef;
-}
-
-1;
projects / pve-storage.git / blobdiff