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);
-use PVE::Cluster qw(cfs_read_file cfs_lock_file);
+use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
+use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
use PVE::Exception qw(raise_param_exc);
use PVE::JSONSchema;
use PVE::INotify;
use PVE::Storage::Plugin;
use PVE::Storage::DirPlugin;
use PVE::Storage::LVMPlugin;
+use PVE::Storage::LvmThinPlugin;
use PVE::Storage::NFSPlugin;
+use PVE::Storage::CIFSPlugin;
use PVE::Storage::ISCSIPlugin;
use PVE::Storage::RBDPlugin;
+use PVE::Storage::CephFSPlugin;
use PVE::Storage::SheepdogPlugin;
use PVE::Storage::ISCSIDirectPlugin;
use PVE::Storage::GlusterfsPlugin;
use PVE::Storage::ZFSPlugin;
use PVE::Storage::DRBDPlugin;
-# load and initialize all plugins
+# Storage API version. Icrement it on changes in storage API interface.
+use constant APIVER => 2;
+# Age is the number of versions we're backward compatible with.
+# This is like having 'current=APIVER' and age='APIAGE' in libtool,
+# see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
+use constant APIAGE => 1;
+
+# load standard plugins
PVE::Storage::DirPlugin->register();
PVE::Storage::LVMPlugin->register();
+PVE::Storage::LvmThinPlugin->register();
PVE::Storage::NFSPlugin->register();
+PVE::Storage::CIFSPlugin->register();
PVE::Storage::ISCSIPlugin->register();
PVE::Storage::RBDPlugin->register();
+PVE::Storage::CephFSPlugin->register();
PVE::Storage::SheepdogPlugin->register();
PVE::Storage::ISCSIDirectPlugin->register();
PVE::Storage::GlusterfsPlugin->register();
PVE::Storage::ZFSPoolPlugin->register();
PVE::Storage::ZFSPlugin->register();
PVE::Storage::DRBDPlugin->register();
+
+# load third-party plugins
+if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
+ dir_glob_foreach('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', 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 $UDEVADM = '/sbin/udevadm';
return cfs_read_file("storage.cfg");
}
+sub write_config {
+ my ($cfg) = @_;
+
+ cfs_write_file('storage.cfg', $cfg);
+}
+
sub lock_storage_config {
my ($code, $errmsg) = @_;
sub storage_config {
my ($cfg, $storeid, $noerr) = @_;
- die "no storage id specified\n" if !$storeid;
+ die "no storage ID specified\n" if !$storeid;
my $scfg = $cfg->{ids}->{$storeid};
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) = @_;
}
}
+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, $vmid) = @_;
return int($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, $volid) = @_;
return PVE::Storage::Plugin::parse_volume_id($volid, $noerr);
}
-sub volume_is_base {
- my ($cfg, $volid) = @_;
+# test if we have read access to volid
+sub check_volume_access {
+ my ($rpcenv, $user, $cfg, $vmid, $volid) = @_;
my ($sid, $volname) = parse_volume_id($volid, 1);
- return 0 if !$sid;
-
- if (my $scfg = $cfg->{ids}->{$sid}) {
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
- $plugin->parse_volname($volname);
- return $isBase ? 1 : 0;
- } else {
- # stale volid with undefined storage - so we can just guess
- if ($volid =~ m/base-/) {
- return 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, $volname);
+ });
}
# try to map a filesystem path to a volume identifier
}
sub storage_migrate {
- my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_;
+ my ($cfg, $volid, $target_sshinfo, $target_storeid, $target_volname, $base_snapshot, $snapshot, $ratelimit_bps, $insecure, $with_snapshots, $logfunc) = @_;
my ($storeid, $volname) = parse_volume_id($volid);
$target_volname = $volname if !$target_volname;
my $target_volid = "${target_storeid}:${target_volname}";
- my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'";
-
- my $sshoptions = "-o 'BatchMode=yes'";
- my $ssh = "/usr/bin/ssh $sshoptions";
-
- local $ENV{RSYNC_RSH} = $ssh;
-
- # only implemented for file system based storage
- if ($scfg->{path}) {
- if ($tcfg->{path}) {
+ my $target_ip = $target_sshinfo->{ip};
+ my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_sshinfo->{name}'";
- my $src_plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my $dst_plugin = PVE::Storage::Plugin->lookup($tcfg->{type});
- my $src = $src_plugin->path($scfg, $volname, $storeid);
- my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid);
+ my $ssh = PVE::Cluster::ssh_info_to_command($target_sshinfo);
+ my $ssh_base = PVE::Cluster::ssh_info_to_command_base($target_sshinfo);
+ local $ENV{RSYNC_RSH} = PVE::Tools::cmd2string($ssh_base);
- my $dirname = dirname($dst);
+ my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ])
+ if defined($ratelimit_bps);
- if ($tcfg->{shared}) { # we can do a local copy
-
- run_command(['/bin/mkdir', '-p', $dirname]);
-
- run_command(['/bin/cp', $src, $dst]);
-
- } else {
+ my $migration_snapshot;
+ if (!defined($snapshot)) {
+ if ($scfg->{type} eq 'zfspool') {
+ $migration_snapshot = 1;
+ $snapshot = '__migration__';
+ }
+ }
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- '/bin/mkdir', '-p', $dirname]);
+ my @formats = volume_transfer_formats($cfg, $volid, $volid, $snapshot, $base_snapshot, $with_snapshots);
+ die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
+ my $format = $formats[0];
- # we use rsync with --sparse, so we can't use --inplace,
- # so we remove file on the target if it already exists to
- # save space
- my ($size, $format) = PVE::Storage::Plugin::file_size_info($src);
- if ($format && ($format eq 'raw') && $size) {
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- 'rm', '-f', $dst],
- outfunc => sub {});
- }
-
- my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
- $src, "root\@${target_host}:$dst"];
+ my @insecurecmd;
+ if ($insecure) {
+ @insecurecmd = ('pvecm', 'mtunnel', '-run-command', 1);
+ if (my $network = $target_sshinfo->{network}) {
+ push @insecurecmd, '-migration_network', $network;
+ }
+ }
- my $percent = -1;
+ $with_snapshots = $with_snapshots ? 1 : 0; # sanitize for passing as cli parameter
+ my $send = ['pvesm', 'export', $volid, $format, '-', '-with-snapshots', $with_snapshots];
+ my $recv = [@$ssh, @insecurecmd, '--', 'pvesm', 'import', $volid, $format, '-', '-with-snapshots', $with_snapshots];
+ if (defined($snapshot)) {
+ push @$send, '-snapshot', $snapshot
+ }
+ if ($migration_snapshot) {
+ push @$recv, '-delete-snapshot', $snapshot;
+ }
- run_command($cmd, outfunc => sub {
- my $line = shift;
+ if (defined($base_snapshot)) {
+ # Check if the snapshot exists on the remote side:
+ push @$send, '-base', $base_snapshot;
+ push @$recv, '-base', $base_snapshot;
+ }
- if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) {
- if ($2 > $percent) {
- $percent = $2;
- print "rsync status: $1\n";
- *STDOUT->flush();
- }
- } else {
- print "$line\n";
- *STDOUT->flush();
- }
- });
+ 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($socket));
+ # don't close the connection entirely otherwise the receiving end
+ # might not get all buffered data (and fails with 'connection reset by peer')
+ shutdown($socket, 1);
+ 1 while <$info>; # wait for the remote process to finish
+ # now close the socket
+ close($socket);
+ if (!close($info)) { # does waitpid()
+ die "import failed: $!\n" if $!;
+ die "import failed: exit code ".($?>>8)."\n";
}
} else {
- die "$errstr - target type '$tcfg->{type}' not implemented\n";
+ run_command([$send, @cstream, $recv], logfunc => $logfunc);
}
-
- } elsif ($scfg->{type} eq 'zfspool') {
-
- if ($tcfg->{type} eq 'zfspool') {
-
- die "$errstr - pool on target has not same name as source!"
- if $tcfg->{pool} ne $scfg->{pool};
-
- my (undef, $volname) = parse_volname($cfg, $volid);
-
- my $zfspath = "$scfg->{pool}\/$volname";
-
- my $snap = "zfs snapshot $zfspath\@__migration__";
-
- my $send = "zfs send -v $zfspath\@__migration__ \| ssh root\@$target_host zfs recv $zfspath";
-
- my $destroy_target = "ssh root\@$target_host zfs destroy $zfspath\@__migration__";
- run_command($snap);
- eval{
- run_command($send);
- };
- my $err;
- if ($err = $@){
- run_command("zfs destroy $zfspath\@__migration__");
- die $err;
- }
- run_command($destroy_target);
-
- } else {
- die "$errstr - target type $tcfg->{type} is not valid\n";
- }
- } else {
- die "$errstr - source type '$scfg->{type}' not implemented\n";
+ };
+ 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 $err;
}
sub vdisk_clone {
});
}
+sub map_volume {
+ my ($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;
+ die "no storage ID specified\n" if !$storeid;
PVE::JSONSchema::parse_storage_id($storeid);
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
$plugin->cluster_lock_storage($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, $volname);
- my ($vtype, $name, $vmid, undef, undef, $isBase, $format) =
+ my (undef, undef, undef, undef, undef, $isBase, $format) =
$plugin->parse_volname($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 $name) {
- die "base volume '$volname' is still in use " .
- "(use by '$tmpvolname')\n";
- }
- }
- }
$cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase, $format);
});
$rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker);
}
+# lists all files in the snippets directory
+sub snippets_list {
+ my ($cfg, $storeid) = @_;
+
+ my $ids = $cfg->{ids};
+
+ storage_check_enabled($cfg, $storeid) if ($storeid);
+
+ my $res = {};
+
+ foreach my $sid (keys %$ids) {
+ next if $storeid && $storeid ne $sid;
+ next if !storage_check_enabled($cfg, $sid, undef, 1);
+
+ my $scfg = $ids->{$sid};
+ next if !$scfg->{content}->{snippets};
+
+ activate_storage($cfg, $sid);
+
+ if ($scfg->{path}) {
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ my $path = $plugin->get_subdir($scfg, 'snippets');
+
+ foreach my $fn (<$path/*>) {
+ next if -d $fn;
+
+ push @{$res->{$sid}}, {
+ volid => "$sid:snippets/". basename($fn),
+ format => 'snippet',
+ size => -s $fn,
+ };
+ }
+ }
+
+ if ($res->{$sid}) {
+ @{$res->{$sid}} = sort {$a->{volid} cmp $b->{volid} } @{$res->{$sid}};
+ }
+ }
+
+ return $res;
+}
+
#list iso or openvz template ($tt = <iso|vztmpl|backup>)
sub template_list {
my ($cfg, $storeid, $tt) = @_;
return $res;
}
+sub volume_list {
+ my ($cfg, $storeid, $vmid, $content) = @_;
+
+ my @ctypes = qw(images vztmpl iso backup snippets);
+
+ my $cts = $content ? [ $content ] : [ @ctypes ];
+
+ my $scfg = PVE::Storage::storage_config($cfg, $storeid);
+
+ my $res = [];
+ foreach my $ct (@$cts) {
+ my $data;
+ if ($ct eq 'images') {
+ $data = vdisk_list($cfg, $storeid, $vmid);
+ } elsif ($ct eq 'iso' && !defined($vmid)) {
+ $data = template_list($cfg, $storeid, 'iso');
+ } elsif ($ct eq 'vztmpl'&& !defined($vmid)) {
+ $data = template_list ($cfg, $storeid, 'vztmpl');
+ } elsif ($ct eq 'backup') {
+ $data = template_list ($cfg, $storeid, 'backup');
+ foreach my $item (@{$data->{$storeid}}) {
+ if (defined($vmid)) {
+ @{$data->{$storeid}} = grep { $_->{volid} =~ m/\S+-$vmid-\S+/ } @{$data->{$storeid}};
+ }
+ }
+ } elsif ($ct eq 'snippets') {
+ $data = snippets_list($cfg, $storeid);
+ }
+
+ next if !$data || !$data->{$storeid};
+
+ foreach my $item (@{$data->{$storeid}}) {
+ $item->{content} = $ct;
+ push @$res, $item;
+ }
+ }
+
+ return $res;
+}
+
sub uevent_seqnum {
my $filename = "/sys/kernel/uevent_seqnum";
}
sub activate_volumes {
- my ($cfg, $vollist, $exclusive) = @_;
+ my ($cfg, $vollist, $snapname) = @_;
return if !($vollist && scalar(@$vollist));
my ($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, $exclusive, $cache);
+ $plugin->activate_volume($storeid, $scfg, $volname, $snapname, $cache);
}
}
sub deactivate_volumes {
- my ($cfg, $vollist) = @_;
+ my ($cfg, $vollist, $snapname) = @_;
return if !($vollist && scalar(@$vollist));
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
eval {
- $plugin->deactivate_volume($storeid, $scfg, $volname, $cache);
+ $plugin->deactivate_volume($storeid, $scfg, $volname, $snapname, $cache);
};
if (my $err = $@) {
warn $err;
}
}
- die "volume deativation failed: " . join(' ', @errlist)
+ die "volume deactivation failed: " . join(' ', @errlist)
if scalar(@errlist);
}
sub storage_info {
- my ($cfg, $content) = @_;
+ my ($cfg, $content, $includeformat) = @_;
my $ids = $cfg->{ids};
my $info = {};
-
+
my @ctypes = PVE::Tools::split_list($content);
-
+
my $slist = [];
foreach my $storeid (keys %$ids) {
-
- next if !storage_check_enabled($cfg, $storeid, undef, 1);
+ my $storage_enabled = defined(storage_check_enabled($cfg, $storeid, undef, 1));
if (defined($content)) {
my $want_ctype = 0;
last;
}
}
- next if !$want_ctype;
+ next if !$want_ctype || !$storage_enabled;
}
-
+
my $type = $ids->{$storeid}->{type};
$info->{$storeid} = {
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;
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 = $@) {
next;
}
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my ($total, $avail, $used, $active);
- eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); };
+ my ($total, $avail, $used, $active) = eval { $plugin->status($storeid, $scfg, $cache); };
warn $@ if $@;
next if !$active;
- $info->{$storeid}->{total} = $total;
- $info->{$storeid}->{avail} = $avail;
- $info->{$storeid}->{used} = $used;
+ $info->{$storeid}->{total} = int($total);
+ $info->{$storeid}->{avail} = int($avail);
+ $info->{$storeid}->{used} = int($used);
$info->{$storeid}->{active} = $active;
}
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 $cmd = ['zfs', 'list', '-t', 'filesystem', '-H', '-o', 'name,avail,used'];
my ($pool, $size_str, $used_str) = ($1, $2, $3);
my $size = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($size_str);
my $used = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($used_str);
+ # 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 };
}
});
sub resolv_portal {
my ($portal, $noerr) = @_;
- if ($portal =~ m/^([^:]+)(:(\d+))?$/) {
- my $server = $1;
- my $port = $3;
-
+ my ($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" : $server;
}
}
raise_param_exc({ portal => "unable to resolve portal address '$portal'" });
}
-# idea is from usbutils package (/usr/bin/usb-devices) script
-sub __scan_usb_device {
- my ($res, $devpath, $parent, $level) = @_;
-
- return if ! -d $devpath;
- return if $level && $devpath !~ m/^.*[-.](\d+)$/;
- my $port = $level ? int($1 - 1) : 0;
-
- my $busnum = int(file_read_firstline("$devpath/busnum"));
- my $devnum = int(file_read_firstline("$devpath/devnum"));
-
- my $d = {
- port => $port,
- level => $level,
- busnum => $busnum,
- devnum => $devnum,
- speed => file_read_firstline("$devpath/speed"),
- class => hex(file_read_firstline("$devpath/bDeviceClass")),
- vendid => file_read_firstline("$devpath/idVendor"),
- prodid => file_read_firstline("$devpath/idProduct"),
- };
-
- if ($level) {
- my $usbpath = $devpath;
- $usbpath =~ s|^.*/\d+\-||;
- $d->{usbpath} = $usbpath;
- }
-
- my $product = file_read_firstline("$devpath/product");
- $d->{product} = $product if $product;
-
- my $manu = file_read_firstline("$devpath/manufacturer");
- $d->{manufacturer} = $manu if $manu;
-
- my $serial => file_read_firstline("$devpath/serial");
- $d->{serial} = $serial if $serial;
-
- push @$res, $d;
-
- foreach my $subdev (<$devpath/$busnum-*>) {
- next if $subdev !~ m|/$busnum-[0-9]+(\.[0-9]+)*$|;
- __scan_usb_device($res, $subdev, $devnum, $level + 1);
- }
-
-};
-
-sub scan_usb {
-
- my $devlist = [];
-
- foreach my $device (</sys/bus/usb/devices/usb*>) {
- __scan_usb_device($devlist, $device, 0, 0);
- }
-
- return $devlist;
-}
sub scan_iscsi {
my ($portal_in) = @_;
}
}
+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";
+ };
+
+
+ if ($comp) {
+ my $uncomp;
+ if ($comp eq 'gz') {
+ $uncomp = ["zcat", $archive];
+ } elsif ($comp eq 'lzo') {
+ $uncomp = ["lzop", "-d", "-c", $archive];
+ } else {
+ die "unknown compression method '$comp'\n";
+ }
+ $cmd = [$uncomp, ["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 $archive = abs_filesystem_path($cfg, $volid);
+
+ if ($volid =~ /vzdump-(lxc|openvz)-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|(tar(\.(gz|lzo))?))$/) {
+ return extract_vzdump_config_tar($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!);
+ } elsif ($volid =~ /vzdump-qemu-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|((tar|vma)(\.(gz|lzo))?))$/) {
+ my $format;
+ my $comp;
+ if ($7 eq 'tgz') {
+ $format = 'tar';
+ $comp = 'gz';
+ } else {
+ $format = $9;
+ $comp = $11 if defined($11);
+ }
+
+ if ($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, $with_snapshots) = @_;
+
+ my ($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, $with_snapshots);
+}
+
+sub volume_export_formats {
+ my ($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;
+}
+
+# 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 = $rpcenv->get_user();
+ }
+
+ # Apply per-storage limits - if there are storages involved.
+ if (@$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) {
+ # 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