+++ /dev/null
-package PVE::Storage::ISCSIDirectPlugin;
-
-use strict;
-use warnings;
-use IO::File;
-use HTTP::Request;
-use LWP::UserAgent;
-use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach);
-use PVE::Storage::Plugin;
-use PVE::JSONSchema qw(get_standard_option);
-
-use base qw(PVE::Storage::Plugin);
-
-sub iscsi_ls {
- my ($scfg, $storeid) = @_;
-
- my $portal = $scfg->{portal};
- my $cmd = ['/usr/bin/iscsi-ls', '-s', 'iscsi://'.$portal ];
- my $list = {};
- my %unittobytes = (
- "k" => 1024,
- "M" => 1024*1024,
- "G" => 1024*1024*1024,
- "T" => 1024*1024*1024*1024
- );
- eval {
-
- run_command($cmd, errmsg => "iscsi error", errfunc => sub {}, outfunc => sub {
- my $line = shift;
- $line = trim($line);
- if( $line =~ /Lun:(\d+)\s+([A-Za-z0-9\-\_\.\:]*)\s+\(Size:([0-9\.]*)(k|M|G|T)\)/ ) {
- my $image = "lun".$1;
- my $size = $3;
- my $unit = $4;
-
- $list->{$storeid}->{$image} = {
- name => $image,
- size => $size * $unittobytes{$unit},
- };
- }
- });
- };
-
- my $err = $@;
- die $err if $err && $err !~ m/TESTUNITREADY failed with SENSE KEY/ ;
-
- return $list;
-
-}
-
-# Configuration
-
-sub type {
- return 'iscsidirect';
-}
-
-sub plugindata {
- return {
- content => [ {images => 1, none => 1}, { images => 1 }],
- };
-}
-
-sub options {
- return {
- portal => { fixed => 1 },
- target => { fixed => 1 },
- nodes => { optional => 1},
- disable => { optional => 1},
- content => { optional => 1},
- };
-}
-
-# Storage implementation
-
-sub parse_volname {
- my ($class, $volname) = @_;
-
-
- if ($volname =~ m/^lun(\d+)$/) {
- return ('images', $1, undef);
- }
-
- die "unable to parse iscsi volume name '$volname'\n";
-
-}
-
-sub path {
- my ($class, $scfg, $volname) = @_;
-
- my ($vtype, $lun, $vmid) = $class->parse_volname($volname);
-
- my $target = $scfg->{target};
- my $portal = $scfg->{portal};
-
- my $path = "iscsi://$portal/$target/$lun";
-
- return ($path, $vmid, $vtype);
-}
-
-sub create_base {
- my ($class, $storeid, $scfg, $volname) = @_;
-
- die "can't create base images in iscsi storage\n";
-}
-
-sub clone_image {
- my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
-
- die "can't clone images in iscsi storage\n";
-}
-
-sub alloc_image {
- my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
-
- die "can't allocate space in iscsi storage\n";
-}
-
-sub free_image {
- my ($class, $storeid, $scfg, $volname, $isBase) = @_;
-
- die "can't free space in iscsi storage\n";
-}
-
-
-sub list_images {
- my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
-
- my $res = [];
-
- $cache->{directiscsi} = iscsi_ls($scfg,$storeid) if !$cache->{directiscsi};
-
- # we have no owner for iscsi devices
-
- my $target = $scfg->{target};
-
- if (my $dat = $cache->{directiscsi}->{$storeid}) {
-
- foreach my $volname (keys %$dat) {
-
- my $volid = "$storeid:$volname";
-
- if ($vollist) {
- my $found = grep { $_ eq $volid } @$vollist;
- next if !$found;
- } else {
- # we have no owner for iscsi devices
- next if defined($vmid);
- }
-
- my $info = $dat->{$volname};
- $info->{volid} = $volid;
-
- push @$res, $info;
- }
- }
-
- return $res;
-}
-
-
-sub status {
- my ($class, $storeid, $scfg, $cache) = @_;
-
- my $total = 0;
- my $free = 0;
- my $used = 0;
- my $active = 1;
- return ($total,$free,$used,$active);
-
- return undef;
-}
-
-sub activate_storage {
- my ($class, $storeid, $scfg, $cache) = @_;
- return 1;
-}
-
-sub deactivate_storage {
- my ($class, $storeid, $scfg, $cache) = @_;
- return 1;
-}
-
-sub activate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
- return 1;
-}
-
-sub deactivate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
- return 1;
-}
-
-sub volume_size_info {
- my ($class, $scfg, $storeid, $volname, $timeout) = @_;
-
- my $vollist = iscsi_ls($scfg,$storeid);
- my $info = $vollist->{$storeid}->{$volname};
-
- return $info->{size};
-}
-
-sub volume_resize {
- my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
- die "volume resize is not possible on iscsi device";
-}
-
-sub volume_snapshot {
- my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
- die "volume snapshot is not possible on iscsi device";
-}
-
-sub volume_snapshot_rollback {
- my ($class, $scfg, $storeid, $volname, $snap) = @_;
- die "volume snapshot rollback is not possible on iscsi device";
-}
-
-sub volume_snapshot_delete {
- my ($class, $scfg, $storeid, $volname, $snap) = @_;
- die "volume snapshot delete is not possible on iscsi device";
-}
-
-sub volume_has_feature {
- my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
-
- my $features = {
- copy => { current => 1},
- };
-
- my ($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