mirror of
https://github.com/jiangcuo/pve-storage.git
synced 2026-01-14 21:18:32 +00:00
396aedff95
If one of the storages passed in $storage_list was not defined get_bandwidth_limit died (see [0], of an occurence of this). This patch changes the behavior to ignore undef as storage instead. [0] https://pve.proxmox.com/pipermail/pve-devel/2019-April/036515.html Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
1692 lines
46 KiB
Perl
Executable File
1692 lines
46 KiB
Perl
Executable File
package PVE::Storage;
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use strict;
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use warnings;
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use Data::Dumper;
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use POSIX;
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use IO::Select;
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use IO::File;
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use IO::Socket::IP;
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use File::Basename;
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use File::Path;
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use Cwd 'abs_path';
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use Socket;
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use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
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use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
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use PVE::Exception qw(raise_param_exc);
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use PVE::JSONSchema;
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use PVE::INotify;
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use PVE::RPCEnvironment;
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use PVE::Storage::Plugin;
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use PVE::Storage::DirPlugin;
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use PVE::Storage::LVMPlugin;
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use PVE::Storage::LvmThinPlugin;
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use PVE::Storage::NFSPlugin;
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use PVE::Storage::CIFSPlugin;
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use PVE::Storage::ISCSIPlugin;
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use PVE::Storage::RBDPlugin;
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use PVE::Storage::CephFSPlugin;
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use PVE::Storage::SheepdogPlugin;
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use PVE::Storage::ISCSIDirectPlugin;
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use PVE::Storage::GlusterfsPlugin;
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use PVE::Storage::ZFSPoolPlugin;
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use PVE::Storage::ZFSPlugin;
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use PVE::Storage::DRBDPlugin;
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# Storage API version. Icrement it on changes in storage API interface.
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use constant APIVER => 2;
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# Age is the number of versions we're backward compatible with.
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# This is like having 'current=APIVER' and age='APIAGE' in libtool,
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# see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
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use constant APIAGE => 1;
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# load standard plugins
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PVE::Storage::DirPlugin->register();
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PVE::Storage::LVMPlugin->register();
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PVE::Storage::LvmThinPlugin->register();
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PVE::Storage::NFSPlugin->register();
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PVE::Storage::CIFSPlugin->register();
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PVE::Storage::ISCSIPlugin->register();
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PVE::Storage::RBDPlugin->register();
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PVE::Storage::CephFSPlugin->register();
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PVE::Storage::SheepdogPlugin->register();
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PVE::Storage::ISCSIDirectPlugin->register();
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PVE::Storage::GlusterfsPlugin->register();
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PVE::Storage::ZFSPoolPlugin->register();
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PVE::Storage::ZFSPlugin->register();
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PVE::Storage::DRBDPlugin->register();
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# load third-party plugins
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if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
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dir_glob_foreach('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', sub {
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my ($file) = @_;
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my $modname = 'PVE::Storage::Custom::' . $file;
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$modname =~ s!\.pm$!!;
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$file = 'PVE/Storage/Custom/' . $file;
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eval {
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require $file;
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# Check perl interface:
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die "not derived from PVE::Storage::Plugin\n"
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if !$modname->isa('PVE::Storage::Plugin');
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die "does not provide an api() method\n"
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if !$modname->can('api');
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# Check storage API version and that file is really storage plugin.
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my $version = $modname->api();
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die "implements an API version newer than current ($version > " . APIVER . ")\n"
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if $version > APIVER;
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my $min_version = (APIVER - APIAGE);
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die "API version too old, please update the plugin ($version < $min_version)\n"
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if $version < $min_version;
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import $file;
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$modname->register();
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# If we got this far and the API version is not the same, make some
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# noise:
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warn "Plugin \"$modname\" is implementing an older storage API, an upgrade is recommended\n"
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if $version != APIVER;
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};
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if ($@) {
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warn "Error loading storage plugin \"$modname\": $@";
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}
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});
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}
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# initialize all plugins
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PVE::Storage::Plugin->init();
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my $UDEVADM = '/sbin/udevadm';
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# PVE::Storage utility functions
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sub config {
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return cfs_read_file("storage.cfg");
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}
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sub write_config {
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my ($cfg) = @_;
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cfs_write_file('storage.cfg', $cfg);
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}
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sub lock_storage_config {
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my ($code, $errmsg) = @_;
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cfs_lock_file("storage.cfg", undef, $code);
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my $err = $@;
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if ($err) {
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$errmsg ? die "$errmsg: $err" : die $err;
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}
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}
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sub storage_config {
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my ($cfg, $storeid, $noerr) = @_;
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die "no storage ID specified\n" if !$storeid;
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my $scfg = $cfg->{ids}->{$storeid};
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die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg);
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return $scfg;
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}
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sub storage_check_node {
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my ($cfg, $storeid, $node, $noerr) = @_;
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my $scfg = storage_config($cfg, $storeid);
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if ($scfg->{nodes}) {
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$node = PVE::INotify::nodename() if !$node || ($node eq 'localhost');
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if (!$scfg->{nodes}->{$node}) {
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die "storage '$storeid' is not available on node '$node'\n" if !$noerr;
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return undef;
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}
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}
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return $scfg;
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}
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sub storage_check_enabled {
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my ($cfg, $storeid, $node, $noerr) = @_;
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my $scfg = storage_config($cfg, $storeid);
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if ($scfg->{disable}) {
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die "storage '$storeid' is disabled\n" if !$noerr;
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return undef;
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}
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return storage_check_node($cfg, $storeid, $node, $noerr);
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}
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# storage_can_replicate:
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# return true if storage supports replication
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# (volumes alocated with vdisk_alloc() has replication feature)
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sub storage_can_replicate {
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my ($cfg, $storeid, $format) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->storage_can_replicate($scfg, $storeid, $format);
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}
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sub storage_ids {
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my ($cfg) = @_;
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return keys %{$cfg->{ids}};
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}
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sub file_size_info {
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my ($filename, $timeout) = @_;
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return PVE::Storage::Plugin::file_size_info($filename, $timeout);
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}
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sub volume_size_info {
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my ($cfg, $volid, $timeout) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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return file_size_info($volid, $timeout);
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} else {
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return 0;
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}
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}
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sub volume_resize {
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my ($cfg, $volid, $size, $running) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "resize file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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}
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sub volume_rollback_is_possible {
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my ($cfg, $volid, $snap) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "snapshot rollback file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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}
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sub volume_snapshot {
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my ($cfg, $volid, $snap) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "snapshot file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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}
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sub volume_snapshot_rollback {
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my ($cfg, $volid, $snap) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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$plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
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return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "snapshot rollback file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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}
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sub volume_snapshot_delete {
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my ($cfg, $volid, $snap, $running) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "snapshot delete file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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}
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sub volume_has_feature {
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my ($cfg, $feature, $volid, $snap, $running) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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return undef;
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} else {
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return undef;
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}
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}
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sub volume_snapshot_list {
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my ($cfg, $volid) = @_;
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my ($storeid, $volname) = parse_volume_id($volid, 1);
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if ($storeid) {
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->volume_snapshot_list($scfg, $storeid, $volname);
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} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
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die "send file/device '$volid' is not possible\n";
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} else {
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die "unable to parse volume ID '$volid'\n";
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}
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# return an empty array if dataset does not exist.
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}
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sub get_image_dir {
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my ($cfg, $storeid, $vmid) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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my $path = $plugin->get_subdir($scfg, 'images');
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return $vmid ? "$path/$vmid" : $path;
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}
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sub get_private_dir {
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my ($cfg, $storeid, $vmid) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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my $path = $plugin->get_subdir($scfg, 'rootdir');
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return $vmid ? "$path/$vmid" : $path;
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}
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sub get_iso_dir {
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my ($cfg, $storeid) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->get_subdir($scfg, 'iso');
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}
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sub get_vztmpl_dir {
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my ($cfg, $storeid) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->get_subdir($scfg, 'vztmpl');
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}
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sub get_backup_dir {
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my ($cfg, $storeid) = @_;
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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return $plugin->get_subdir($scfg, 'backup');
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}
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# library implementation
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sub parse_vmid {
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my $vmid = shift;
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die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/;
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return int($vmid);
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}
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# NOTE: basename and basevmid are always undef for LVM-thin, where the
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# clone -> base reference is not encoded in the volume ID.
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# see note in PVE::Storage::LvmThinPlugin for details.
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sub parse_volname {
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my ($cfg, $volid) = @_;
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my ($storeid, $volname) = parse_volume_id($volid);
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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# returns ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format)
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return $plugin->parse_volname($volname);
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}
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sub parse_volume_id {
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my ($volid, $noerr) = @_;
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return PVE::Storage::Plugin::parse_volume_id($volid, $noerr);
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}
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# test if we have read access to volid
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sub check_volume_access {
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my ($rpcenv, $user, $cfg, $vmid, $volid) = @_;
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my ($sid, $volname) = parse_volume_id($volid, 1);
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if ($sid) {
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my ($vtype, undef, $ownervm) = parse_volname($cfg, $volid);
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if ($vtype eq 'iso' || $vtype eq 'vztmpl') {
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# require at least read access to storage, (custom) templates/ISOs could be sensitive
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$rpcenv->check_any($user, "/storage/$sid", ['Datastore.AllocateSpace', 'Datastore.Audit']);
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} elsif (defined($ownervm) && defined($vmid) && ($ownervm == $vmid)) {
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# we are owner - allow access
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} elsif ($vtype eq 'backup' && $ownervm) {
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$rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']);
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$rpcenv->check($user, "/vms/$ownervm", ['VM.Backup']);
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} else {
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# allow if we are Datastore administrator
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$rpcenv->check($user, "/storage/$sid", ['Datastore.Allocate']);
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}
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} else {
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die "Only root can pass arbitrary filesystem paths."
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if $user ne 'root@pam';
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}
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return undef;
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}
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my $volume_is_base_and_used__no_lock = sub {
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my ($scfg, $storeid, $plugin, $volname) = @_;
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my ($vtype, $name, $vmid, undef, undef, $isBase, undef) =
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$plugin->parse_volname($volname);
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if ($isBase) {
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my $vollist = $plugin->list_images($storeid, $scfg);
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foreach my $info (@$vollist) {
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my (undef, $tmpvolname) = parse_volume_id($info->{volid});
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my $basename = undef;
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my $basevmid = undef;
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eval{
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(undef, undef, undef, $basename, $basevmid) =
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$plugin->parse_volname($tmpvolname);
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};
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if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
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return 1;
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}
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}
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}
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return 0;
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};
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# NOTE: this check does not work for LVM-thin, where the clone -> base
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# reference is not encoded in the volume ID.
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# see note in PVE::Storage::LvmThinPlugin for details.
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sub volume_is_base_and_used {
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my ($cfg, $volid) = @_;
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my ($storeid, $volname) = parse_volume_id($volid);
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my $scfg = storage_config($cfg, $storeid);
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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$plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
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return &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname);
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});
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}
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# try to map a filesystem path to a volume identifier
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sub path_to_volume_id {
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my ($cfg, $path) = @_;
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my $ids = $cfg->{ids};
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my ($sid, $volname) = parse_volume_id($path, 1);
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if ($sid) {
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if (my $scfg = $ids->{$sid}) {
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if ($scfg->{path}) {
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my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
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my ($vtype, $name, $vmid) = $plugin->parse_volname($volname);
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return ($vtype, $path);
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}
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}
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return ('');
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|
}
|
|
|
|
# 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');
|
|
|
|
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!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) {
|
|
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!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!) {
|
|
my $name = $1;
|
|
return ('iso', "$sid:backup/$name");
|
|
}
|
|
}
|
|
|
|
# can't map path to volume id
|
|
return ('');
|
|
}
|
|
|
|
sub path {
|
|
my ($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 $path;
|
|
if (PVE::Storage::parse_volume_id ($volid, 1)) {
|
|
PVE::Storage::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 $path;
|
|
}
|
|
|
|
sub storage_migrate {
|
|
my ($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 $scfg = storage_config($cfg, $storeid);
|
|
|
|
# no need to migrate shared content
|
|
return if $storeid eq $target_storeid && $scfg->{shared};
|
|
|
|
my $tcfg = storage_config($cfg, $target_storeid);
|
|
|
|
my $target_volid = "${target_storeid}:${target_volname}";
|
|
|
|
my $target_ip = $target_sshinfo->{ip};
|
|
my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_sshinfo->{name}'";
|
|
|
|
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 @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, $volid, $snapshot, $base_snapshot, $with_snapshots);
|
|
die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
|
|
my $format = $formats[0];
|
|
|
|
my @insecurecmd;
|
|
if ($insecure) {
|
|
@insecurecmd = ('pvecm', 'mtunnel', '-run-command', 1);
|
|
if (my $network = $target_sshinfo->{network}) {
|
|
push @insecurecmd, '-migration_network', $network;
|
|
}
|
|
}
|
|
|
|
$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', $snapshot;
|
|
}
|
|
|
|
if (defined($base_snapshot)) {
|
|
# Check if the snapshot exists on the remote side:
|
|
push @$send, '-base', $base_snapshot;
|
|
push @$recv, '-base', $base_snapshot;
|
|
}
|
|
|
|
volume_snapshot($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 {
|
|
run_command([$send, @cstream, $recv], logfunc => $logfunc);
|
|
}
|
|
};
|
|
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 $err;
|
|
}
|
|
|
|
sub vdisk_clone {
|
|
my ($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, $cleanup_worker);
|
|
}
|
|
|
|
# lists all files in the snippets directory
|
|
sub snippets_list {
|
|
my ($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, $tt) = @_;
|
|
|
|
die "unknown template type '$tt'\n"
|
|
if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup');
|
|
|
|
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 = $scfg->{type};
|
|
|
|
next if !storage_check_enabled($cfg, $sid, undef, 1);
|
|
|
|
next if $tt eq 'iso' && !$scfg->{content}->{iso};
|
|
next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl};
|
|
next if $tt eq 'backup' && !$scfg->{content}->{backup};
|
|
|
|
activate_storage($cfg, $sid);
|
|
|
|
if ($scfg->{path}) {
|
|
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
|
|
|
|
my $path = $plugin->get_subdir($scfg, $tt);
|
|
|
|
foreach my $fn (<$path/*>) {
|
|
|
|
my $info;
|
|
|
|
if ($tt eq 'iso') {
|
|
next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!;
|
|
|
|
$info = { volid => "$sid:iso/$1", format => 'iso' };
|
|
|
|
} elsif ($tt eq 'vztmpl') {
|
|
next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!;
|
|
|
|
$info = { volid => "$sid:vztmpl/$1", format => "t$2" };
|
|
|
|
} elsif ($tt eq 'backup') {
|
|
next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!;
|
|
|
|
$info = { volid => "$sid:backup/$1", format => $2 };
|
|
}
|
|
|
|
$info->{size} = -s $fn;
|
|
|
|
push @{$res->{$sid}}, $info;
|
|
}
|
|
|
|
}
|
|
|
|
@{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid};
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
|
|
sub vdisk_list {
|
|
my ($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 $res;
|
|
}
|
|
|
|
sub volume_list {
|
|
my ($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";
|
|
|
|
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', '-H', '-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 $size = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($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 };
|
|
}
|
|
});
|
|
|
|
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 '$sid'\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub extract_vzdump_config_tar {
|
|
my ($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 = $rpcenv->get_user();
|
|
}
|
|
|
|
# Apply per-storage limits - if there are storages involved.
|
|
if (defined($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;
|