use strict;
use warnings;
use IO::File;
+use Net::IP;
use PVE::Tools qw(run_command trim);
use PVE::Storage::Plugin;
use PVE::JSONSchema qw(get_standard_option);
+use PVE::RADOS;
+use PVE::Storage::CephTools;
+use JSON;
use base qw(PVE::Storage::Plugin);
-sub rbd_unittobytes {
- {
- "M" => 1024*1024,
- "G" => 1024*1024*1024,
- "T" => 1024*1024*1024*1024,
- }
-}
+my $get_parent_image_name = sub {
+ my ($parent) = @_;
+ return undef if !$parent;
+ return $parent->{image} . "@" . $parent->{snapshot};
+};
-my $rbd_cmd = sub {
- my ($scfg, $storeid, $op, @options) = @_;
+my $add_pool_to_disk = sub {
+ my ($scfg, $disk) = @_;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ return "$pool/$disk";
+};
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
+my $build_cmd = sub {
+ my ($binary, $scfg, $storeid, $op, @options) = @_;
- my $cmd = ['/usr/bin/rbd', '-p', $scfg->{pool}, '-m', $monhost, '-n',
- "client.$scfg->{username}",
- '--keyring', "/etc/pve/priv/ceph/${storeid}.keyring",
- '--auth_supported', $scfg->{authsupported}, $op];
+ my $cmd_option = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid);
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $cmd = [$binary, '-p', $pool];
+
+ push @$cmd, '-c', $cmd_option->{ceph_conf} if ($cmd_option->{ceph_conf});
+ push @$cmd, '-m', $cmd_option->{mon_host} if ($cmd_option->{mon_host});
+ push @$cmd, '--auth_supported', $cmd_option->{auth_supported} if ($cmd_option->{auth_supported});
+ push @$cmd, '-n', "client.$cmd_option->{userid}" if ($cmd_option->{userid});
+ push @$cmd, '--keyring', $cmd_option->{keyring} if ($cmd_option->{keyring});
+
+ push @$cmd, $op;
push @$cmd, @options if scalar(@options);
return $cmd;
};
+my $rbd_cmd = sub {
+ my ($scfg, $storeid, $op, @options) = @_;
+
+ return $build_cmd->('/usr/bin/rbd', $scfg, $storeid, $op, @options);
+};
+
my $rados_cmd = sub {
my ($scfg, $storeid, $op, @options) = @_;
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
+ return $build_cmd->('/usr/bin/rados', $scfg, $storeid, $op, @options);
+};
+
+my $librados_connect = sub {
+ my ($scfg, $storeid, $options) = @_;
- my $cmd = ['/usr/bin/rados', '-p', $scfg->{pool}, '-m', $monhost, '-n',
- "client.$scfg->{username}",
- '--keyring', "/etc/pve/priv/ceph/${storeid}.keyring",
- '--auth_supported', $scfg->{authsupported}, $op];
+ my $librados_config = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid);
- push @$cmd, @options if scalar(@options);
+ my $rados = PVE::RADOS->new(%$librados_config);
- return $cmd;
+ return $rados;
};
-sub rbd_ls {
- my ($scfg, $storeid) = @_;
+# needed for volumes created using ceph jewel (or higher)
+my $krbd_feature_disable = sub {
+ my ($scfg, $storeid, $name) = @_;
- my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l');
+ my ($major, undef, undef, undef) = ceph_version();
+ return 1 if $major < 10;
- my $list = {};
+ my $krbd_feature_blacklist = ['deep-flatten', 'fast-diff', 'object-map', 'exclusive-lock'];
+ my (undef, undef, undef, undef, $features) = rbd_volume_info($scfg, $storeid, $name);
- my $parser = sub {
- my $line = shift;
+ my $active_features = { map { $_ => 1 } @$features };
+ my $incompatible_features = join(',', grep { %$active_features{$_} } @$krbd_feature_blacklist);
- if ($line =~ m/^(vm-(\d+)-disk-\d+)\s+(\d+)(M|G|T)\s((\S+)\/(vm-\d+-\S+@\S+))?/) {
- my ($image, $owner, $size, $unit, $parent) = ($1, $2, $3, $4, $7);
+ if ($incompatible_features) {
+ my $feature_cmd = &$rbd_cmd($scfg, $storeid, 'feature', 'disable', $name, $incompatible_features);
+ run_rbd_command($feature_cmd, errmsg => "could not disable krbd-incompatible image features of rbd volume $name");
+ }
+};
- $list->{$scfg->{pool}}->{$image} = {
- name => $image,
- size => $size*rbd_unittobytes()->{$unit},
- parent => $parent,
- vmid => $owner
- };
- }
- };
+my $ceph_version_parser = sub {
+ my $line = shift;
+ if ($line =~ m/^ceph version ((\d+)\.(\d+)\.(\d+))(?: \([a-fA-F0-9]+\))/) {
+ return ($2, $3, $4, $1);
+ } else {
+ warn "Could not parse Ceph version: '$line'\n";
+ }
+};
+
+sub ceph_version {
+ my ($cache) = @_;
+
+ my $version_string = $cache;
+
+ my $major;
+ my $minor;
+ my $bugfix;
+
+ if (defined($version_string)) {
+ ($major, $minor, $bugfix, $version_string) = &$ceph_version_parser($version_string);
+ } else {
+ run_command('ceph --version', outfunc => sub {
+ my $line = shift;
+ ($major, $minor, $bugfix, $version_string) = &$ceph_version_parser($line);
+ });
+ }
+ return undef if !defined($version_string);
+ return wantarray ? ($major, $minor, $bugfix, $version_string) : $version_string;
+}
+
+sub run_rbd_command {
+ my ($cmd, %args) = @_;
+
+ my $lasterr;
+ my $errmsg = $args{errmsg} . ": " || "";
+ if (!exists($args{errfunc})) {
+ # ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect;
+ # at least 1 child(ren) in pool cephstor1
+ $args{errfunc} = sub {
+ my $line = shift;
+ if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) {
+ $lasterr = "$1\n";
+ } else {
+ $lasterr = $line;
+ }
+ print STDERR $lasterr;
+ *STDERR->flush();
+ };
+ }
+
+ eval { run_command($cmd, %args); };
+ if (my $err = $@) {
+ die $errmsg . $lasterr if length($lasterr);
+ die $err;
+ }
+
+ return undef;
+}
+
+sub rbd_ls {
+ my ($scfg, $storeid) = @_;
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l', '--format', 'json');
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $raw = '';
+ my $parser = sub { $raw .= shift };
eval {
- run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
};
my $err = $@;
die $err if $err && $err !~ m/doesn't contain rbd images/ ;
-
- return $list;
-}
-sub rbd_volume_info {
- my ($scfg, $storeid, $volname) = @_;
+ my $result;
+ if ($raw eq '') {
+ $result = [];
+ } elsif ($raw =~ m/^(\[.*\])$/s) { # untaint
+ $result = JSON::decode_json($1);
+ } else {
+ die "got unexpected data from rbd ls: '$raw'\n";
+ }
- my $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname);
- my $size = undef;
- my $parent = undef;
+ my $list = {};
- my $parser = sub {
- my $line = shift;
+ foreach my $el (@$result) {
+ next if defined($el->{snapshot});
- if ($line =~ m/size (\d+) (M|G|T)B in (\d+) objects/) {
- $size = $1 * rbd_unittobytes()->{$2} if ($1);
- } elsif ($line =~ m/parent:\s(\S+)\/(\S+)/) {
- $parent = $2;
- }
- };
+ my $image = $el->{image};
- run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ my ($owner) = $image =~ m/^(?:vm|base)-(\d+)-/;
+ next if !defined($owner);
- return ($size, $parent);
-}
+ $list->{$pool}->{$image} = {
+ name => $image,
+ size => $el->{size},
+ parent => $get_parent_image_name->($el->{parent}),
+ vmid => $owner
+ };
+ }
-sub addslashes {
- my $text = shift;
- $text =~ s/;/\\;/g;
- $text =~ s/:/\\:/g;
- return $text;
+ return $list;
}
-# Configuration
+sub rbd_volume_info {
+ my ($scfg, $storeid, $volname, $snap) = @_;
-PVE::JSONSchema::register_format('pve-storage-monhost', \&parse_monhost);
-sub parse_monhost {
- my ($name, $noerr) = @_;
+ my $cmd = undef;
- if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
- return undef if $noerr;
- die "lvm name '$name' contains illegal characters\n";
+ my @options = ('info', $volname, '--format', 'json');
+ if ($snap) {
+ push @options, '--snap', $snap;
}
- return $name;
+ $cmd = &$rbd_cmd($scfg, $storeid, @options);
+
+ my $raw = '';
+ my $parser = sub { $raw .= shift };
+
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+
+ my $volume;
+ if ($raw eq '') {
+ $volume = {};
+ } elsif ($raw =~ m/^(\{.*\})$/s) { # untaint
+ $volume = JSON::decode_json($1);
+ } else {
+ die "got unexpected data from rbd info: '$raw'\n";
+ }
+
+ $volume->{parent} = $get_parent_image_name->($volume->{parent});
+ $volume->{protected} = defined($volume->{protected}) && $volume->{protected} eq "true" ? 1 : undef;
+
+ return $volume->@{qw(size parent format protected features)};
}
+# Configuration
+
sub type {
return 'rbd';
}
sub plugindata {
return {
- content => [ {images => 1}, { images => 1 }],
+ content => [ {images => 1, rootdir => 1}, { images => 1 }],
};
}
sub properties {
return {
monhost => {
- description => "Monitors daemon ips.",
- type => 'string',
+ description => "IP addresses of monitors (for external clusters).",
+ type => 'string', format => 'pve-storage-portal-dns-list',
},
pool => {
description => "Pool.",
description => "Authsupported.",
type => 'string',
},
+ krbd => {
+ description => "Always access rbd through krbd kernel module.",
+ type => 'boolean',
+ },
};
}
return {
nodes => { optional => 1 },
disable => { optional => 1 },
- monhost => { fixed => 1 },
- pool => { fixed => 1 },
- username => { fixed => 1 },
- authsupported => { fixed => 1 },
+ monhost => { optional => 1},
+ pool => { optional => 1 },
+ username => { optional => 1 },
content => { optional => 1 },
+ krbd => { optional => 1 },
+ bwlimit => { optional => 1 },
};
}
# Storage implementation
+sub on_add_hook {
+ my ($class, $storeid, $scfg, %param) = @_;
+
+ return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph
+
+ PVE::Storage::CephTools::ceph_create_keyfile($scfg->{type}, $storeid);
+}
+
+sub on_delete_hook {
+ my ($class, $storeid, $scfg) = @_;
+
+ return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph
+
+ PVE::Storage::CephTools::ceph_remove_keyfile($scfg->{type}, $storeid);
+}
+
sub parse_volname {
my ($class, $volname) = @_;
if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) {
- return ('images', $4, $7, $2, $3, $5);
+ return ('images', $4, $7, $2, $3, $5, 'raw');
}
die "unable to parse rbd volume name '$volname'\n";
}
sub path {
- my ($class, $scfg, $volname, $storeid) = @_;
+ my ($class, $scfg, $volname, $storeid, $snapname) = @_;
+ my $cmd_option = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid);
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ $name .= '@'.$snapname if $snapname;
- my $monhost = addslashes($scfg->{monhost});
- my $pool = $scfg->{pool};
- my $username = $scfg->{username};
- my $authsupported = addslashes($scfg->{authsupported});
-
- my $path = "rbd:$pool/$name:id=$username:auth_supported=$authsupported:keyring=/etc/pve/priv/ceph/$storeid.keyring:mon_host=$monhost";
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+ return ("/dev/rbd/$pool/$name", $vmid, $vtype) if $scfg->{krbd};
+
+ my $path = "rbd:$pool/$name";
+
+ $path .= ":conf=$cmd_option->{ceph_conf}" if $cmd_option->{ceph_conf};
+ if (defined($scfg->{monhost})) {
+ my $monhost = PVE::Storage::CephTools::hostlist($scfg->{monhost}, ';');
+ $monhost =~ s/:/\\:/g;
+ $path .= ":mon_host=$monhost";
+ $path .= ":auth_supported=$cmd_option->{auth_supported}";
+ }
+
+ $path .= ":id=$cmd_option->{userid}:keyring=$cmd_option->{keyring}" if ($cmd_option->{keyring});
return ($path, $vmid, $vtype);
}
+my $find_free_diskname = sub {
+ my ($storeid, $scfg, $vmid) = @_;
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'ls');
+ my $disk_list = [];
+
+ my $parser = sub {
+ my $line = shift;
+ if ($line =~ m/^(.*)$/) { # untaint
+ push @$disk_list, $1;
+ }
+ };
+
+ eval {
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ };
+ my $err = $@;
+
+ die $err if $err && $err !~ m/doesn't contain rbd images/;
+
+ return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg);
+};
+
sub create_base {
my ($class, $storeid, $scfg, $volname) = @_;
- die "not implemented";
+ my $snap = '__base__';
+
+ my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
+ $class->parse_volname($volname);
+
+ die "create_base not possible with base image\n" if $isBase;
+
+ my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name);
+ die "rbd volume info on '$name' failed\n" if !($size);
+
+ die "rbd image must be at format V2" if $format ne "2";
+
+ die "volname '$volname' contains wrong information about parent $parent $basename\n"
+ if $basename && (!$parent || $parent ne $basename."@".$snap);
+
+ my $newname = $name;
+ $newname =~ s/^vm-/base-/;
+
+ my $newvolname = $basename ? "$basename/$newname" : "$newname";
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'rename', &$add_pool_to_disk($scfg, $name), &$add_pool_to_disk($scfg, $newname));
+ run_rbd_command($cmd, errmsg => "rbd rename '$name' error");
+
+ my $running = undef; #fixme : is create_base always offline ?
+
+ $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running);
+
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap);
+
+ if (!$protected){
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap);
+ run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error");
+ }
+
+ return $newvolname;
+
}
sub clone_image {
- my ($class, $scfg, $storeid, $volname, $vmid) = @_;
+ my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_;
- die "not implemented";
-}
+ my $snap = '__base__';
+ $snap = $snapname if length $snapname;
-sub alloc_image {
- my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
+ my ($vtype, $basename, $basevmid, undef, undef, $isBase) =
+ $class->parse_volname($volname);
+ die "$volname is not a base image and snapname is not provided\n"
+ if !$isBase && !length($snapname);
- die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
- if $name && $name !~ m/^vm-$vmid-/;
+ my $name = $find_free_diskname->($storeid, $scfg, $vmid);
- if (!$name) {
- my $rdb = rbd_ls($scfg, $storeid);
+ warn "clone $volname: $basename snapname $snap to $name\n";
- for (my $i = 1; $i < 100; $i++) {
- my $tn = "vm-$vmid-disk-$i";
- if (!defined ($rdb->{$scfg->{pool}}->{$tn})) {
- $name = $tn;
- last;
- }
+ if (length($snapname)) {
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname);
+
+ if (!$protected) {
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname);
+ run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error");
}
}
- die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
- if !$name;
+ my $newvol = "$basename/$name";
+ $newvol = $name if length($snapname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename),
+ '--snap', $snap, &$add_pool_to_disk($scfg, $name));
+
+ run_rbd_command($cmd, errmsg => "rbd clone '$basename' error");
+
+ return $newvol;
+}
+
+sub alloc_image {
+ my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
+
+
+ die "illegal name '$name' - should be 'vm-$vmid-*'\n"
+ if $name && $name !~ m/^vm-$vmid-/;
+
+ $name = $find_free_diskname->($storeid, $scfg, $vmid) if !$name;
- my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--format' , 2, '--size', ($size/1024), $name);
- run_command($cmd, errmsg => "rbd create $name' error", errfunc => sub {});
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--image-format' , 2, '--size', int(($size+1023)/1024), $name);
+ run_rbd_command($cmd, errmsg => "rbd create $name' error");
return $name;
}
sub free_image {
my ($class, $storeid, $scfg, $volname, $isBase) = @_;
- my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $volname);
- run_command($cmd, errmsg => "rbd snap purge $volname' error", outfunc => sub {}, errfunc => sub {});
+ my ($vtype, $name, $vmid, undef, undef, undef) =
+ $class->parse_volname($volname);
- $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $volname);
- run_command($cmd, errmsg => "rbd rm $volname' error", outfunc => sub {}, errfunc => sub {});
+ if ($isBase) {
+ my $snap = '__base__';
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap);
+ if ($protected){
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap);
+ run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error");
+ }
+ }
+
+ $class->deactivate_volume($storeid, $scfg, $volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name);
+ run_rbd_command($cmd, errmsg => "rbd snap purge '$volname' error");
+
+ $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name);
+ run_rbd_command($cmd, errmsg => "rbd rm '$volname' error");
return undef;
}
my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
$cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd};
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
my $res = [];
- if (my $dat = $cache->{rbd}->{$scfg->{pool}}) {
- foreach my $image (keys %$dat) {
+ if (my $dat = $cache->{rbd}->{$pool}) {
+ foreach my $image (keys %$dat) {
+
+ my $info = $dat->{$image};
- my $volname = $dat->{$image}->{name};
+ my $volname = $info->{name};
+ my $parent = $info->{parent};
+ my $owner = $info->{vmid};
- my $volid = "$storeid:$volname";
+ if ($parent && $parent =~ m/^(base-\d+-\S+)\@__base__$/) {
+ $info->{volid} = "$storeid:$1/$volname";
+ } else {
+ $info->{volid} = "$storeid:$volname";
+ }
- my $owner = $dat->{$volname}->{vmid};
- if ($vollist) {
- my $found = grep { $_ eq $volid } @$vollist;
- next if !$found;
- } else {
- next if defined ($vmid) && ($owner ne $vmid);
- }
+ if ($vollist) {
+ my $found = grep { $_ eq $info->{volid} } @$vollist;
+ next if !$found;
+ } else {
+ next if defined ($vmid) && ($owner ne $vmid);
+ }
- my $info = $dat->{$volname};
- $info->{volid} = $volid;
$info->{format} = 'raw';
- push @$res, $info;
- }
+ push @$res, $info;
+ }
}
return $res;
sub status {
my ($class, $storeid, $scfg, $cache) = @_;
- my $cmd = &$rados_cmd($scfg, $storeid, 'df');
- my $stats = {};
-
- my $parser = sub {
- my $line = shift;
- if ($line =~ m/^\s+total\s(\S+)\s+(\d+)/) {
- $stats->{$1} = $2;
- }
- };
+ my $rados = &$librados_connect($scfg, $storeid);
+ my $df = $rados->mon_command({ prefix => 'df', format => 'json' });
- eval {
- run_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser);
- };
+ my ($d) = grep { $_->{name} eq $scfg->{pool} } @{$df->{pools}};
- my $total = $stats->{space} ? $stats->{space}*1024 : 0;
- my $free = $stats->{avail} ? $stats->{avail}*1024 : 0;
- my $used = $stats->{used} ? $stats->{used}*1024: 0;
+ # max_avail -> max available space for data w/o replication in the pool
+ # bytes_used -> data w/o replication in the pool
+ my $free = $d->{stats}->{max_avail};
+ my $used = $d->{stats}->{bytes_used};
+ my $total = $used + $free;
my $active = 1;
return ($total, $free, $used, $active);
return 1;
}
+my $get_kernel_device_name = sub {
+ my ($pool, $name) = @_;
+
+ return "/dev/rbd/$pool/$name";
+};
+
+sub map_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ $name .= '@'.$snapname if $snapname;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $kerneldev = $get_kernel_device_name->($pool, $name);
+
+ return $kerneldev if -b $kerneldev; # already mapped
+
+ &$krbd_feature_disable($scfg, $storeid, $name);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'map', $name);
+ run_rbd_command($cmd, errmsg => "can't map rbd volume $name");
+
+ return $kerneldev;
+}
+
+sub unmap_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ $name .= '@'.$snapname if $snapname;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $kerneldev = $get_kernel_device_name->($pool, $name);
+
+ if (-b $kerneldev) {
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'unmap', $kerneldev);
+ run_rbd_command($cmd, errmsg => "can't unmap rbd device $kerneldev");
+ }
+
+ return 1;
+}
+
sub activate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ $class->map_volume($storeid, $scfg, $volname, $snapname) if $scfg->{krbd};
+
return 1;
}
sub deactivate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ $class->unmap_volume($storeid, $scfg, $volname, $snapname);
+
return 1;
}
sub volume_size_info {
my ($class, $scfg, $storeid, $volname, $timeout) = @_;
- my ($size, undef) = rbd_volume_info($scfg, $storeid, $volname);
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ my ($size, undef) = rbd_volume_info($scfg, $storeid, $name);
return $size;
}
sub volume_resize {
my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
- return 1 if $running;
+ return 1 if $running && !$scfg->{krbd}; # FIXME???
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
- my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $volname);
- run_command($cmd, errmsg => "rbd resize $volname' error", errfunc => sub {});
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--allow-shrink', '--size', ($size/1024/1024), $name);
+ run_rbd_command($cmd, errmsg => "rbd resize '$volname' error");
return undef;
}
sub volume_snapshot {
- my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
- return 1 if $running;
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
- my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $volname);
- run_command($cmd, errmsg => "rbd snapshot $volname' error", errfunc => sub {});
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name);
+ run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error");
return undef;
}
sub volume_snapshot_rollback {
my ($class, $scfg, $storeid, $volname, $snap) = @_;
- my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $volname);
- run_command($cmd, errmsg => "rbd snapshot $volname to $snap' error", errfunc => sub {});
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name);
+ run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error");
}
sub volume_snapshot_delete {
my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
- return 1 if $running;
+ return 1 if $running && !$scfg->{krbd}; # FIXME: ????
+
+ $class->deactivate_volume($storeid, $scfg, $volname, $snap, {});
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap);
+ if ($protected){
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap);
+ run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error");
+ }
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name);
+
+ run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error");
- my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $volname);
- run_command($cmd, errmsg => "rbd snapshot $volname' error", errfunc => sub {});
return undef;
}
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
my $features = {
- snapshot => { current => 1, snap => 1},
- clone => { snap => 1},
+ snapshot => { current => 1, snap => 1},
+ clone => { base => 1, snap => 1},
+ template => { current => 1},
+ copy => { base => 1, current => 1, snap => 1},
+ sparseinit => { base => 1, current => 1},
};
- my $snap = $snapname ? 'snap' : 'current';
- return 1 if $features->{$feature}->{$snap};
+ my ($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;
}