+++ /dev/null
-package PVE::Storage::ZFSPlugin;
-
-use strict;
-use warnings;
-use IO::File;
-use POSIX;
-use PVE::Tools qw(run_command);
-use PVE::Storage::ZFSPoolPlugin;
-
-use base qw(PVE::Storage::ZFSPoolPlugin);
-use PVE::Storage::LunCmd::Comstar;
-use PVE::Storage::LunCmd::Istgt;
-use PVE::Storage::LunCmd::Iet;
-
-my @ssh_opts = ('-o', 'BatchMode=yes');
-my @ssh_cmd = ('/usr/bin/ssh', @ssh_opts);
-my $id_rsa_path = '/etc/pve/priv/zfs';
-
-my $lun_cmds = {
- create_lu => 1,
- delete_lu => 1,
- import_lu => 1,
- modify_lu => 1,
- add_view => 1,
- list_view => 1,
- list_lu => 1,
-};
-
-my $zfs_unknown_scsi_provider = sub {
- my ($provider) = @_;
-
- die "$provider: unknown iscsi provider. Available [comstar, istgt, iet]";
-};
-
-my $zfs_get_base = sub {
- my ($scfg) = @_;
-
- if ($scfg->{iscsiprovider} eq 'comstar') {
- return PVE::Storage::LunCmd::Comstar::get_base;
- } elsif ($scfg->{iscsiprovider} eq 'istgt') {
- return PVE::Storage::LunCmd::Istgt::get_base;
- } elsif ($scfg->{iscsiprovider} eq 'iet') {
- return PVE::Storage::LunCmd::Iet::get_base;
- } else {
- $zfs_unknown_scsi_provider->($scfg->{iscsiprovider});
- }
-};
-
-sub zfs_request {
- my ($class, $scfg, $timeout, $method, @params) = @_;
-
- $timeout = 5 if !$timeout;
-
- my $msg = '';
-
- if ($lun_cmds->{$method}) {
- if ($scfg->{iscsiprovider} eq 'comstar') {
- $msg = PVE::Storage::LunCmd::Comstar::run_lun_command($scfg, $timeout, $method, @params);
- } elsif ($scfg->{iscsiprovider} eq 'istgt') {
- $msg = PVE::Storage::LunCmd::Istgt::run_lun_command($scfg, $timeout, $method, @params);
- } elsif ($scfg->{iscsiprovider} eq 'iet') {
- $msg = PVE::Storage::LunCmd::Iet::run_lun_command($scfg, $timeout, $method, @params);
- } else {
- $zfs_unknown_scsi_provider->($scfg->{iscsiprovider});
- }
- } else {
-
- my $target = 'root@' . $scfg->{portal};
-
- my $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target];
-
- if ($method eq 'zpool_list') {
- push @$cmd, 'zpool', 'list';
- } else {
- push @$cmd, 'zfs', $method;
- }
-
- push @$cmd, @params;
-
- my $output = sub {
- my $line = shift;
- $msg .= "$line\n";
- };
-
- run_command($cmd, outfunc => $output, timeout => $timeout);
- }
-
- return $msg;
-}
-
-sub zfs_get_lu_name {
- my ($class, $scfg, $zvol) = @_;
-
- my $base = $zfs_get_base->($scfg);
-
- my $object = ($zvol =~ /^.+\/.+/) ? "$base/$zvol" : "$base/$scfg->{pool}/$zvol";
-
- my $lu_name = $class->zfs_request($scfg, undef, 'list_lu', $object);
-
- return $lu_name if $lu_name;
-
- die "Could not find lu_name for zvol $zvol";
-}
-
-sub zfs_add_lun_mapping_entry {
- my ($class, $scfg, $zvol, $guid) = @_;
-
- if (!defined($guid)) {
- $guid = $class->zfs_get_lu_name($scfg, $zvol);
- }
-
- $class->zfs_request($scfg, undef, 'add_view', $guid);
-}
-
-sub zfs_delete_lu {
- my ($class, $scfg, $zvol) = @_;
-
- my $guid = $class->zfs_get_lu_name($scfg, $zvol);
-
- $class->zfs_request($scfg, undef, 'delete_lu', $guid);
-}
-
-sub zfs_create_lu {
- my ($class, $scfg, $zvol) = @_;
-
- my $base = $zfs_get_base->($scfg);
- my $guid = $class->zfs_request($scfg, undef, 'create_lu', "$base/$scfg->{pool}/$zvol");
-
- return $guid;
-}
-
-sub zfs_import_lu {
- my ($class, $scfg, $zvol) = @_;
-
- my $base = $zfs_get_base->($scfg);
- $class->zfs_request($scfg, undef, 'import_lu', "$base/$scfg->{pool}/$zvol");
-}
-
-sub zfs_resize_lu {
- my ($class, $scfg, $zvol, $size) = @_;
-
- my $guid = $class->zfs_get_lu_name($scfg, $zvol);
-
- $class->zfs_request($scfg, undef, 'modify_lu', "${size}K", $guid);
-}
-
-sub zfs_get_lun_number {
- my ($class, $scfg, $guid) = @_;
-
- die "could not find lun_number for guid $guid" if !$guid;
-
- return $class->zfs_request($scfg, undef, 'list_view', $guid);
-}
-
-# Configuration
-
-sub type {
- return 'zfs';
-}
-
-sub plugindata {
- return {
- content => [ {images => 1}, { images => 1 }],
- };
-}
-
-sub properties {
- return {
- iscsiprovider => {
- description => "iscsi provider",
- type => 'string',
- },
- # this will disable write caching on comstar and istgt.
- # it is not implemented for iet. iet blockio always operates with
- # writethrough caching when not in readonly mode
- nowritecache => {
- description => "disable write caching on the target",
- type => 'boolean',
- },
- comstar_tg => {
- description => "target group for comstar views",
- type => 'string',
- },
- comstar_hg => {
- description => "host group for comstar views",
- type => 'string',
- },
- };
-}
-
-sub options {
- return {
- nodes => { optional => 1 },
- disable => { optional => 1 },
- portal => { fixed => 1 },
- target => { fixed => 1 },
- pool => { fixed => 1 },
- blocksize => { fixed => 1 },
- iscsiprovider => { fixed => 1 },
- nowritecache => { optional => 1 },
- sparse => { optional => 1 },
- comstar_hg => { optional => 1 },
- comstar_tg => { optional => 1 },
- content => { optional => 1 },
- };
-}
-
-# Storage implementation
-
-sub path {
- my ($class, $scfg, $volname) = @_;
-
- my ($vtype, $name, $vmid) = $class->parse_volname($volname);
-
- my $target = $scfg->{target};
- my $portal = $scfg->{portal};
-
- my $guid = $class->zfs_get_lu_name($scfg, $name);
- my $lun = $class->zfs_get_lun_number($scfg, $guid);
-
- my $path = "iscsi://$portal/$target/$lun";
-
- return ($path, $vmid, $vtype);
-}
-
-sub create_base {
- my ($class, $storeid, $scfg, $volname) = @_;
-
- my $snap = '__base__';
-
- my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
- $class->parse_volname($volname);
-
- die "create_base not possible with base image\n" if $isBase;
-
- my $newname = $name;
- $newname =~ s/^vm-/base-/;
-
- my $newvolname = $basename ? "$basename/$newname" : "$newname";
-
- $class->zfs_delete_lu($scfg, $name);
- $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname");
-
- my $guid = $class->zfs_create_lu($scfg, $newname);
- $class->zfs_add_lun_mapping_entry($scfg, $newname, $guid);
-
- my $running = undef; #fixme : is create_base always offline ?
-
- $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running);
-
- return $newvolname;
-}
-
-sub clone_image {
- my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
-
- my $name = $class->SUPER::clone_image($scfg, $storeid, $volname, $vmid, $snap);
-
- my $guid = $class->zfs_create_lu($scfg, $name);
- $class->zfs_add_lun_mapping_entry($scfg, $name, $guid);
-
- return $name;
-}
-
-sub alloc_image {
- my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
-
- my $volname = $class->SUPER::alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size);
-
- my $guid = $class->zfs_create_lu($scfg, $volname);
- $class->zfs_add_lun_mapping_entry($scfg, $volname, $guid);
-
- return $volname;
-}
-
-sub free_image {
- my ($class, $storeid, $scfg, $volname, $isBase) = @_;
-
- my ($vtype, $name, $vmid) = $class->parse_volname($volname);
-
- $class->zfs_delete_lu($scfg, $name);
-
- eval { $class->zfs_delete_zvol($scfg, $name); };
- if (my $err = $@) {
- my $guid = $class->zfs_create_lu($scfg, $name);
- $class->zfs_add_lun_mapping_entry($scfg, $name, $guid);
- die $err;
- }
-
- return undef;
-}
-
-sub volume_resize {
- my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
-
- my $new_size = ($size/1024);
-
- $class->zfs_request($scfg, undef, 'set', 'volsize=' . $new_size . 'k', "$scfg->{pool}/$volname");
- $class->zfs_resize_lu($scfg, $volname, $new_size);
-}
-
-sub volume_snapshot_rollback {
- my ($class, $scfg, $storeid, $volname, $snap) = @_;
-
- # abort rollback if snapshot is not the latest
- my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname);
- if ($snap ne $recentsnap) {
- die "cannot rollback, more recent snapshots exist\n";
- }
-
- $class->zfs_delete_lu($scfg, $volname);
-
- $class->zfs_request($class, $scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap");
-
- $class->zfs_import_lu($scfg, $volname);
-
- $class->zfs_add_lun_mapping_entry($scfg, $volname);
-}
-
-sub volume_has_feature {
- my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
-
- my $features = {
- snapshot => { current => 1, snap => 1},
- clone => { base => 1},
- template => { current => 1},
- copy => { base => 1, current => 1},
- };
-
- my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
- $class->parse_volname($volname);
-
- my $key = undef;
-
- if ($snapname) {
- $key = 'snap';
- } else {
- $key = $isBase ? 'base' : 'current';
- }
-
- return 1 if $features->{$feature}->{$key};
-
- return undef;
-}
-
-1;
projects / pve-storage.git / blobdiff