--- /dev/null
+package PVE::Storage::DRBDPlugin;
+
+use strict;
+use warnings;
+use IO::File;
+use PVE::Tools qw(run_command trim);
+use PVE::Storage::Plugin;
+use PVE::JSONSchema qw(get_standard_option);
+
+use base qw(PVE::Storage::Plugin);
+
+# Configuration
+
+sub type {
+ return 'drbd';
+}
+
+sub plugindata {
+ return {
+ content => [ {images => 1}, { images => 1 }],
+ };
+}
+
+sub properties {
+ return {
+ redundancy => {
+ description => "The redundancy count specifies the number of nodes to which the resource should be deployed. It must be at least 1 and at most the number of nodes in the cluster.",
+ type => 'integer',
+ minimum => 1,
+ maximum => 16,
+ default => 2,
+ },
+ };
+}
+
+sub options {
+ return {
+ redundancy => { optional => 1 },
+ nodes => { optional => 1 },
+ disable => { optional => 1 },
+ };
+}
+
+# Storage implementation
+
+sub parse_volname {
+ my ($class, $volname) = @_;
+
+ if ($volname =~ m/^(vm-(\d+)-[a-z][a-z0-9\-\_\.]*[a-z0-9]+)$/) {
+ return ('images', $1, $2);
+ }
+
+ die "unable to parse lvm volume name '$volname'\n";
+}
+
+sub filesystem_path {
+ my ($class, $scfg, $volname) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ die "fixme";
+
+ my $vg = $scfg->{vgname};
+
+ my $path = "/dev/$vg/$name";
+
+ return wantarray ? ($path, $vmid, $vtype) : $path;
+}
+
+sub create_base {
+ my ($class, $storeid, $scfg, $volname) = @_;
+
+ die "can't create base images in drbd storage\n";
+}
+
+sub clone_image {
+ my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
+
+ die "can't clone images in drbd storage\n";
+}
+
+sub alloc_image {
+ my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
+
+ die "unsupported format '$fmt'" if $fmt ne 'raw';
+
+ die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
+ if $name && $name !~ m/^vm-$vmid-/;
+
+
+ if (!$name) {
+ die "fixme";
+
+ my $lvs = {};
+
+ for (my $i = 1; $i < 100; $i++) {
+ my $tn = "vm-$vmid-disk-$i";
+ if (!defined ($lvs->{fixme})) {
+ $name = $tn;
+ last;
+ }
+ }
+ }
+
+ die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
+ if !$name;
+
+ my $cmd = ['drbdmanage', 'new-volume', $name];
+
+ # fixme: deploy
+
+ run_command($cmd, errmsg => "drbdmanage new-volume error");
+
+ return $name;
+}
+
+sub free_image {
+ my ($class, $storeid, $scfg, $volname, $isBase) = @_;
+
+ my $cmd = ['drbdmanage', 'remove-volume', $volname];
+
+ # fixme: undeploy
+
+ run_command($cmd, errmsg => "drbdmanage remove-volume error");
+
+ return undef;
+}
+
+sub list_images {
+ my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
+
+ my $vgname = $scfg->{vgname};
+
+ #$cache->{lvs} = lvm_lvs() if !$cache->{lvs};
+
+ my $res = [];
+
+ die "fixme";
+
+ return $res;
+}
+
+sub status {
+ my ($class, $storeid, $scfg, $cache) = @_;
+
+ die "fixme";
+
+ return undef;
+}
+
+sub activate_storage {
+ my ($class, $storeid, $scfg, $cache) = @_;
+
+ return undef;
+}
+
+sub deactivate_storage {
+ my ($class, $storeid, $scfg, $cache) = @_;
+
+ return undef;
+}
+
+sub activate_volume {
+ my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
+
+ return undef;
+}
+
+sub deactivate_volume {
+ my ($class, $storeid, $scfg, $volname, $cache) = @_;
+
+ return undef;
+}
+
+sub volume_resize {
+ my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
+
+ $size = ($size/1024/1024) . "M";
+
+ my $path = $class->path($scfg, $volname);
+
+ die "fixme";
+
+ #my $cmd = ['/sbin/lvextend', '-L', $size, $path];
+ #run_command($cmd, errmsg => "error resizing volume '$path'");
+
+ return 1;
+}
+
+sub volume_snapshot {
+ my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
+
+ die "drbd snapshot is not implemented";
+}
+
+sub volume_snapshot_rollback {
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
+
+ die "drbd snapshot rollback is not implemented";
+}
+
+sub volume_snapshot_delete {
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
+
+ die "drbd snapshot delete is not implemented";
+}
+
+sub volume_has_feature {
+ my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
+
+ my $features = {
+ copy => { base => 1, current => 1},
+ };
+
+ my ($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 / commitdiff