use base qw(PVE::Storage::Plugin);
+sub rbd_unittobytes {
+ {
+ "M" => 1024*1024,
+ "G" => 1024*1024*1024,
+ "T" => 1024*1024*1024*1024,
+ }
+}
+
+my $add_pool_to_disk = sub {
+ my ($scfg, $disk) = @_;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
-sub rbd_ls{
- my ($scfg, $storeid) = @_;
+ return "$pool/$disk";
+};
+
+my $rbd_cmd = sub {
+ my ($scfg, $storeid, $op, @options) = @_;
- my $rbdpool = $scfg->{pool};
my $monhost = $scfg->{monhost};
$monhost =~ s/;/,/g;
- my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{username} ,'--keyring', '/etc/pve/priv/ceph/'.$storeid.'.keyring', '--auth_supported',$scfg->{authsupported}, 'ls' ];
- my $list = {};
+ my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+ my $username = $scfg->{username} ? $scfg->{username} : 'admin';
- my $errfunc = sub {
- my $line = shift;
- die $line if $line;
- };
+ my $cmd = ['/usr/bin/rbd', '-p', $pool, '-m', $monhost];
+
+ if(-e $keyring){
+ push @$cmd, '-n', "client.$username";
+ push @$cmd, '--keyring', $keyring;
+ push @$cmd, '--auth_supported', 'cephx';
+ }else{
+ push @$cmd, '--auth_supported', 'none';
+ }
+
+ push @$cmd, $op;
+
+ push @$cmd, @options if scalar(@options);
+
+ return $cmd;
+};
+
+my $rados_cmd = sub {
+ my ($scfg, $storeid, $op, @options) = @_;
+
+ my $monhost = $scfg->{monhost};
+ $monhost =~ s/;/,/g;
+
+ my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+ my $username = $scfg->{username} ? $scfg->{username} : 'admin';
+
+ my $cmd = ['/usr/bin/rados', '-p', $pool, '-m', $monhost];
+
+ if(-e $keyring){
+ push @$cmd, '-n', "client.$username";
+ push @$cmd, '--keyring', $keyring;
+ push @$cmd, '--auth_supported', 'cephx';
+ }else{
+ push @$cmd, '--auth_supported', 'none';
+ }
- eval {
- run_command($cmd, errmsg => "rbd error", errfunc => $errfunc,outfunc => sub {
- my $line = shift;
+ push @$cmd, $op;
- $line = trim($line);
- my ($image) = $line;
-
- $list->{$rbdpool}->{$image} = {
- name => $image,
- size => "",
- };
+ push @$cmd, @options if scalar(@options);
- });
+ return $cmd;
+};
+
+sub rbd_ls {
+ my ($scfg, $storeid) = @_;
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l');
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $list = {};
+
+ my $parser = sub {
+ my $line = shift;
+
+ if ($line =~ m/^((vm|base)-(\d+)-disk-\d+)\s+(\d+)(M|G|T)\s((\S+)\/((vm|base)-\d+-\S+@\S+))?/) {
+ my ($image, $owner, $size, $unit, $parent) = ($1, $3, $4, $5, $8);
+
+ $list->{$pool}->{$image} = {
+ name => $image,
+ size => $size*rbd_unittobytes()->{$unit},
+ parent => $parent,
+ vmid => $owner
+ };
+ }
};
+ eval {
+ run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ };
my $err = $@;
- die $err if $err && $err !~ m/doesn't contain rbd images/ ;
+ die $err if $err && $err !~ m/doesn't contain rbd images/ ;
+
return $list;
+}
+
+sub rbd_volume_info {
+ my ($scfg, $storeid, $volname, $snap) = @_;
+
+ my $cmd = undef;
+
+ if($snap){
+ $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname, '--snap', $snap);
+ }else{
+ $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname);
+ }
+
+ my $size = undef;
+ my $parent = undef;
+ my $format = undef;
+ my $protected = undef;
+
+ my $parser = sub {
+ my $line = shift;
+
+ if ($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 = $2;
+ } elsif ($line =~ m/format:\s(\d+)/) {
+ $format = $1;
+ } elsif ($line =~ m/protected:\s(\S+)/) {
+ $protected = 1 if $1 eq "True";
+ }
+ };
+
+ run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+
+ return ($size, $parent, $format, $protected);
}
sub addslashes {
return $name;
}
-
sub type {
return 'rbd';
}
sub options {
return {
+ nodes => { optional => 1 },
+ disable => { optional => 1 },
monhost => { fixed => 1 },
- pool => { fixed => 1 },
- username => { fixed => 1 },
- authsupported => { fixed => 1 },
+ pool => { optional => 1 },
+ username => { optional => 1 },
content => { optional => 1 },
};
}
sub parse_volname {
my ($class, $volname) = @_;
- if ($volname =~ m/^(vm-(\d+)-\S+)$/) {
- return ('images', $1, $2);
+ if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) {
+ return ('images', $4, $7, $2, $3, $5);
}
die "unable to parse rbd volume name '$volname'\n";
}
sub path {
- my ($class, $scfg, $volname, $storeid) = @_;
+ my ($class, $scfg, $volname, $storeid, $snapname) = @_;
my ($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';
+ my $username = $scfg->{username} ? $scfg->{username} : 'admin';
+
+ my $path = "rbd:$pool/$name:mon_host=$monhost";
+ my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
+
+ if(-e $keyring ){
+ $path .= ":id=$username:auth_supported=cephx:keyring=$keyring";
+ }else{
+ $path .= ":auth_supported=none";
+ }
return ($path, $vmid, $vtype);
}
+my $find_free_diskname = sub {
+ my ($storeid, $scfg, $vmid) = @_;
+
+ my $rbd = rbd_ls($scfg, $storeid);
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+ my $disk_ids = {};
+ my $dat = $rbd->{$pool};
+
+ foreach my $image (keys %$dat) {
+ my $volname = $dat->{$image}->{name};
+ if ($volname =~ m/(vm|base)-$vmid-disk-(\d+)/){
+ $disk_ids->{$2} = 1;
+ }
+ }
+ #fix: can we search in $rbd hash key with a regex to find (vm|base) ?
+ for (my $i = 1; $i < 100; $i++) {
+ if (!$disk_ids->{$i}) {
+ return "vm-$vmid-disk-$i";
+ }
+ }
+
+ die "unable to allocate an image name for VM $vmid in storage '$storeid'\n";
+};
+
+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 $isBase;
+
+ my ($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, $newname));
+ run_command($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', $snap);
+ run_command($cmd, errmsg => "rbd protect $newname snap $snap' error");
+ }
+
+ return $newvolname;
+
+}
+
+sub clone_image {
+ my ($class, $scfg, $storeid, $volname, $vmid) = @_;
+
+ my $snap = '__base__';
+
+ my ($vtype, $basename, $basevmid, undef, undef, $isBase) =
+ $class->parse_volname($volname);
+
+ die "clone_image onyl works on base images\n" if !$isBase;
+
+ my $name = &$find_free_diskname($storeid, $scfg, $vmid);
+
+ warn "clone $volname: $basename to $name\n";
+
+ my $newvol = "$basename/$name";
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename), '--snap', $snap, &$add_pool_to_disk($scfg, $name));
+ run_command($cmd, errmsg => "rbd clone $basename' error");
+
+ return $newvol;
+}
+
sub alloc_image {
my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
if $name && $name !~ m/^vm-$vmid-/;
- my $rbdpool = $scfg->{pool};
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
-
- if (!$name) {
- my $rdb = rbd_ls($scfg, $storeid);
- for (my $i = 1; $i < 100; $i++) {
- my $tn = "vm-$vmid-disk-$i";
- if (!defined ($rdb->{$rbdpool}->{$tn})) {
- $name = $tn;
- last;
- }
- }
- }
+ $name = &$find_free_diskname($storeid, $scfg, $vmid);
- die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
- if !$name;
-
- my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{username}, '--keyring','/etc/pve/priv/ceph/'.$storeid.'.keyring','--auth_supported', $scfg->{authsupported}, 'create', '--size', ($size/1024), $name ];
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--format' , 2, '--size', int(($size+1023)/1024), $name);
run_command($cmd, errmsg => "rbd create $name' error");
return $name;
}
sub free_image {
- my ($class, $storeid, $scfg, $volname) = @_;
+ my ($class, $storeid, $scfg, $volname, $isBase) = @_;
- my $rbdpool = $scfg->{pool};
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
+ my ($vtype, $name, $vmid, undef, undef, undef) =
+ $class->parse_volname($volname);
- my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{username}, '--keyring','/etc/pve/priv/ceph/'.$storeid.'.keyring','--auth_supported',$scfg->{authsupported}, 'rm', $volname ];
+ if ($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', $snap);
+ run_command($cmd, errmsg => "rbd unprotect $name snap $snap' error");
+ }
+ }
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name);
+ run_command($cmd, errmsg => "rbd snap purge $volname' error");
+
+ $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name);
run_command($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 $rbdpool = $scfg->{pool};
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
my $res = [];
- if (my $dat = $cache->{rbd}->{$rbdpool}) {
+ if (my $dat = $cache->{rbd}->{$pool}) {
foreach my $image (keys %$dat) {
my $volname = $dat->{$image}->{name};
my $volid = "$storeid:$volname";
-
my $owner = $dat->{$volname}->{vmid};
if ($vollist) {
my $found = grep { $_ eq $volid } @$vollist;
my $info = $dat->{$volname};
$info->{volid} = $volid;
+ $info->{format} = 'raw';
push @$res, $info;
}
}
- return $res;
+ return $res;
}
-
sub status {
my ($class, $storeid, $scfg, $cache) = @_;
- my $total = 0;
- my $free = 0;
- my $used = 0;
+ 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} = $2;
+ }
+ };
+
+ eval {
+ run_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser);
+ };
+
+ my $total = $stats->{space} ? $stats->{space}*1024 : 0;
+ my $free = $stats->{avail} ? $stats->{avail}*1024 : 0;
+ my $used = $stats->{used} ? $stats->{used}*1024: 0;
my $active = 1;
- return ($total,$free,$used,$active);
- return undef;
+ return ($total, $free, $used, $active);
}
sub activate_storage {
return 1;
}
+sub volume_size_info {
+ my ($class, $scfg, $storeid, $volname, $timeout) = @_;
+
+ my ($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 $running;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $name);
+ run_command($cmd, errmsg => "rbd resize $volname' error");
+ return undef;
+}
+
+sub volume_snapshot {
+ my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
+
+ return 1 if $running;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name);
+ run_command($cmd, errmsg => "rbd snapshot $volname' error");
+ return undef;
+}
+
+sub volume_snapshot_rollback {
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name);
+ run_command($cmd, errmsg => "rbd snapshot $volname to $snap' error");
+}
+
+sub volume_snapshot_delete {
+ my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
+
+ return 1 if $running;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name);
+ run_command($cmd, errmsg => "rbd snapshot $volname' error");
+ return undef;
+}
+
+sub volume_has_feature {
+ my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
+
+ my $features = {
+ snapshot => { current => 1, snap => 1},
+ clone => { base => 1},
+ template => { current => 1},
+ copy => { base => 1, current => 1, snap => 1},
+ };
+
+ my ($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