346 lines
7.7 KiB
Perl
346 lines
7.7 KiB
Perl
package PVE::Storage::NexentaPlugin;
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use strict;
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use warnings;
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use IO::File;
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use HTTP::Request;
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use LWP::UserAgent;
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use MIME::Base64;
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use JSON;
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use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach);
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use PVE::Storage::Plugin;
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use PVE::JSONSchema qw(get_standard_option);
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use base qw(PVE::Storage::Plugin);
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sub nexenta_request {
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my ($scfg, $method, $object, @params) = @_;
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my $apicall = { method => $method, object => $object, params => [ @params ] };
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my $json = encode_json($apicall);
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my $uri = ( $scfg->{ssl} ? "https" : "http" ) . "://" . $scfg->{portal} . ":2000/rest/nms/";
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my $req = HTTP::Request->new( 'POST', $uri );
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$req->header('Content-Type' => 'application/json');
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$req->content($json);
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my $token = encode_base64("$scfg->{login}:$scfg->{password}");
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$req->header( Authorization => "Basic $token" );
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my $ua = LWP::UserAgent->new; # You might want some options here
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my $res = $ua->request($req);
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die $res->content if !$res->is_success;
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my $obj = eval { from_json($res->content); };
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die "JSON not valid. Content: " . $res->content if ($@);
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die "Nexenta API Error: $obj->{error}->{message}\n" if $obj->{error}->{message};
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return $obj->{result};
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}
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sub nexenta_get_zvol_size {
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my ($scfg, $zvol) = @_;
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return nexenta_request($scfg, 'get_child_prop', 'zvol', $zvol, 'size_bytes');
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}
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sub nexenta_list_lun_mapping_entries {
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my ($scfg, $zvol) = @_;
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return nexenta_request($scfg, 'list_lun_mapping_entries', 'scsidisk', "$scfg->{pool}/$zvol");
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}
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sub nexenta_add_lun_mapping_entry {
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my ($scfg, $zvol) = @_;
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nexenta_request($scfg, 'add_lun_mapping_entry', 'scsidisk',
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"$scfg->{pool}/$zvol", { target_group => "All" });
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}
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sub nexenta_delete_lu {
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my ($scfg, $zvol) = @_;
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nexenta_request($scfg, 'delete_lu', 'scsidisk', "$scfg->{pool}/$zvol");
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}
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sub nexenta_create_lu {
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my ($scfg, $zvol) = @_;
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nexenta_request($scfg, 'create_lu', 'scsidisk', "$scfg->{pool}/$zvol", {});
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return 1;
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}
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sub nexenta_create_zvol {
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my ($scfg, $zvol, $size) = @_;
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nexenta_request($scfg, 'create', 'zvol', "$scfg->{pool}/$zvol", "${size}KB",
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$scfg->{blocksize}, 1);
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return 1;
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}
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sub nexenta_delete_zvol {
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my ($scfg, $zvol) = @_;
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nexenta_request($scfg, 'destroy', 'zvol', "$scfg->{pool}/$zvol", '-r');
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}
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sub nexenta_list_zvol {
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my ($scfg) = @_;
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my $zvols = nexenta_request($scfg, 'get_names', 'zvol', '');
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return undef if !$zvols;
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my $list = {};
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foreach my $zvol (@$zvols) {
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my @values = split('/', $zvol);
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my $pool = $values[0];
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my $image = $values[1];
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my $owner;
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if ($image =~ m/^(vm-(\d+)-\S+)$/) {
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$owner = $2;
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}
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$list->{$pool}->{$image} = {
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name => $image,
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size => nexenta_get_zvol_size($scfg, $zvol),
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format => 'raw',
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vmid => $owner
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};
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}
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return $list;
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}
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# Configuration
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sub type {
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return 'nexenta';
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}
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sub plugindata {
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return {
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content => [ {images => 1}, { images => 1 }],
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};
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}
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sub properties {
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return {
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login => {
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description => "login",
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type => 'string',
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},
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password => {
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description => "password",
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type => 'string',
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},
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blocksize => {
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description => "block size",
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type => 'string',
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},
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ssl => {
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description => "ssl",
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type => 'boolean',
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},
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};
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}
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sub options {
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return {
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nodes => { optional => 1 },
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disable => { optional => 1 },
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target => { fixed => 1 },
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portal => { fixed => 1 },
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login => { fixed => 1 },
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password => { fixed => 1 },
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pool => { fixed => 1 },
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blocksize => { fixed => 1 },
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ssl => { optional => 1 },
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content => { optional => 1 },
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};
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}
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# Storage implementation
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sub parse_volname {
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my ($class, $volname) = @_;
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if ($volname =~ m/^(vm-(\d+)-\S+)$/) {
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return ('images', $1, $2);
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}
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return('images',$volname,'');
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#die "unable to parse lvm volume name '$volname'\n";
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}
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sub path {
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my ($class, $scfg, $volname) = @_;
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my ($vtype, $name, $vmid) = $class->parse_volname($volname);
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my $target = $scfg->{target};
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my $portal = $scfg->{portal};
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my $map = nexenta_list_lun_mapping_entries($scfg, $name);
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die "could not find lun number" if !$map;
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my $lun = @$map[0]->{lun};
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$lun =~ m/^(\d+)$/ or die "lun is not OK\n";
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$lun = $1;
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my $path = "iscsi://$portal/$target/$lun";
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return ($path, $vmid, $vtype);
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}
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sub alloc_image {
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my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
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die "unsupported format '$fmt'" if $fmt ne 'raw';
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die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
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if $name && $name !~ m/^vm-$vmid-/;
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my $nexentapool = $scfg->{'pool'};
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if (!$name) {
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my $volumes = nexenta_list_zvol($scfg);
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die "unable de get zvol list" if !$volumes;
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for (my $i = 1; $i < 100; $i++) {
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my $tn = "vm-$vmid-disk-$i";
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if (!defined ($volumes->{$nexentapool}->{$tn})) {
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$name = $tn;
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last;
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}
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}
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}
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die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
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if !$name;
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nexenta_create_zvol($scfg, $name, $size);
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nexenta_create_lu($scfg, $name);
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nexenta_add_lun_mapping_entry($scfg, $name);
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return $name;
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}
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sub free_image {
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my ($class, $storeid, $scfg, $volname) = @_;
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my ($vtype, $name, $vmid) = $class->parse_volname($volname);
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nexenta_delete_lu($scfg, $name);
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nexenta_delete_zvol($scfg, $name);
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return undef;
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}
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sub list_images {
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my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
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$cache->{nexenta} = nexenta_list_zvol($scfg) if !$cache->{nexenta};
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my $nexentapool = $scfg->{pool};
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my $res = [];
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if (my $dat = $cache->{nexenta}->{$nexentapool}) {
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foreach my $image (keys %$dat) {
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my $volname = $dat->{$image}->{name};
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my $volid = "$storeid:$volname";
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my $owner = $dat->{$volname}->{vmid};
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if ($vollist) {
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my $found = grep { $_ eq $volid } @$vollist;
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next if !$found;
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} else {
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next if defined ($vmid) && ($owner ne $vmid);
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}
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my $info = $dat->{$volname};
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$info->{volid} = $volid;
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push @$res, $info;
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}
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}
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return $res;
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}
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sub status {
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my ($class, $storeid, $scfg, $cache) = @_;
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my $total = 0;
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my $free = 0;
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my $used = 0;
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my $active = 1;
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return ($total,$free,$used,$active);
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return undef;
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}
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sub activate_storage {
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my ($class, $storeid, $scfg, $cache) = @_;
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return 1;
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}
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sub deactivate_storage {
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my ($class, $storeid, $scfg, $cache) = @_;
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return 1;
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}
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sub activate_volume {
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my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
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return 1;
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}
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sub deactivate_volume {
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my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
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return 1;
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}
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sub volume_size_info {
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my ($class, $scfg, $storeid, $volname, $timeout) = @_;
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return nexenta_get_zvol_size($scfg, "$scfg->{pool}/$volname"),
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}
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sub volume_resize {
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my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
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nexenta_request($scfg, 'set_child_prop', 'zvol', "$scfg->{pool}/$volname", 'volsize', ($size/1024) . 'KB');
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}
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sub volume_snapshot {
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my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
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nexenta_request($scfg, 'create_snapshot', 'zvol', "$scfg->{pool}/$volname", $snap, '');
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}
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sub volume_snapshot_rollback {
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my ($class, $scfg, $storeid, $volname, $snap) = @_;
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nexenta_delete_lu($scfg, $volname);
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nexenta_request($scfg, 'rollback', 'snapshot', "$scfg->{pool}/$volname\@$snap", '');
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nexenta_create_lu($scfg, $volname);
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nexenta_add_lun_mapping_entry($scfg, $volname);
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}
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sub volume_snapshot_delete {
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my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
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nexenta_request($scfg, 'destroy', 'snapshot', "$scfg->{pool}/$volname\@$snap", '');
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}
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1;
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