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Commit | Line | Data |
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0509010d AD |
1 | package PVE::Storage::RBDPlugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5102900d | 5 | |
0509010d | 6 | use IO::File; |
5102900d | 7 | use JSON; |
e858048f | 8 | use Net::IP; |
5102900d TL |
9 | |
10 | use PVE::CephConfig; | |
cfe46e2d | 11 | use PVE::Cluster qw(cfs_read_file);; |
0509010d | 12 | use PVE::JSONSchema qw(get_standard_option); |
0ef8fb9d | 13 | use PVE::ProcFSTools; |
41aacc6c | 14 | use PVE::RADOS; |
5102900d TL |
15 | use PVE::Storage::Plugin; |
16 | use PVE::Tools qw(run_command trim); | |
0509010d AD |
17 | |
18 | use base qw(PVE::Storage::Plugin); | |
19 | ||
89a8800b DC |
20 | my $get_parent_image_name = sub { |
21 | my ($parent) = @_; | |
22 | return undef if !$parent; | |
23 | return $parent->{image} . "@" . $parent->{snapshot}; | |
24 | }; | |
25 | ||
cfe46e2d AL |
26 | my $librados_connect = sub { |
27 | my ($scfg, $storeid, $options) = @_; | |
28 | ||
29 | my $librados_config = PVE::CephConfig::ceph_connect_option($scfg, $storeid); | |
30 | ||
31 | my $rados = PVE::RADOS->new(%$librados_config); | |
32 | ||
33 | return $rados; | |
34 | }; | |
35 | ||
4cf696f6 | 36 | my sub get_rbd_path { |
aeb007cb | 37 | my ($scfg, $volume) = @_; |
c27fe648 TL |
38 | my $path = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
39 | $path .= "/$scfg->{namespace}" if defined($scfg->{namespace}); | |
40 | $path .= "/$volume" if defined($volume); | |
41 | return $path; | |
8897f5dc SP |
42 | }; |
43 | ||
cfe46e2d AL |
44 | my sub get_rbd_dev_path { |
45 | my ($scfg, $storeid, $volume) = @_; | |
46 | ||
47 | my $cluster_id = ''; | |
78638b3d TL |
48 | if ($scfg->{fsid}) { |
49 | # NOTE: the config doesn't support this currently (but it could!), hack for qemu-server tests | |
50 | $cluster_id = $scfg->{fsid}; | |
51 | } elsif ($scfg->{monhost}) { | |
cfe46e2d AL |
52 | my $rados = $librados_connect->($scfg, $storeid); |
53 | $cluster_id = $rados->mon_command({ prefix => 'fsid', format => 'json' })->{fsid}; | |
54 | } else { | |
55 | $cluster_id = cfs_read_file('ceph.conf')->{global}->{fsid}; | |
56 | } | |
57 | ||
58 | my $uuid_pattern = "([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})"; | |
59 | if ($cluster_id =~ qr/^${uuid_pattern}$/is) { | |
60 | $cluster_id = $1; # use untained value | |
61 | } else { | |
62 | die "cluster fsid has invalid format\n"; | |
63 | } | |
64 | ||
65 | my $rbd_path = get_rbd_path($scfg, $volume); | |
66 | my $pve_path = "/dev/rbd-pve/${cluster_id}/${rbd_path}"; | |
67 | my $path = "/dev/rbd/${rbd_path}"; | |
68 | ||
647a667e | 69 | return $path if !-e $pve_path && -e $path; # mapped before rbd-pve udev rule existed |
cfe46e2d AL |
70 | return $pve_path; |
71 | } | |
72 | ||
6cc88e8e AA |
73 | my $build_cmd = sub { |
74 | my ($binary, $scfg, $storeid, $op, @options) = @_; | |
75 | ||
4050fcc1 | 76 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
6cc88e8e AA |
77 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
78 | ||
79 | my $cmd = [$binary, '-p', $pool]; | |
80 | ||
92a7826f TL |
81 | if (defined(my $namespace = $scfg->{namespace})) { |
82 | # some subcommands will fail if the --namespace parameter is present | |
83 | my $no_namespace_parameter = { | |
84 | unmap => 1, | |
85 | }; | |
86 | push @$cmd, '--namespace', "$namespace" if !$no_namespace_parameter->{$op}; | |
87 | } | |
6cc88e8e AA |
88 | push @$cmd, '-c', $cmd_option->{ceph_conf} if ($cmd_option->{ceph_conf}); |
89 | push @$cmd, '-m', $cmd_option->{mon_host} if ($cmd_option->{mon_host}); | |
90 | push @$cmd, '--auth_supported', $cmd_option->{auth_supported} if ($cmd_option->{auth_supported}); | |
91 | push @$cmd, '-n', "client.$cmd_option->{userid}" if ($cmd_option->{userid}); | |
92 | push @$cmd, '--keyring', $cmd_option->{keyring} if ($cmd_option->{keyring}); | |
93 | ||
94 | push @$cmd, $op; | |
95 | ||
96 | push @$cmd, @options if scalar(@options); | |
97 | ||
98 | return $cmd; | |
99 | }; | |
100 | ||
101 | my $rbd_cmd = sub { | |
102 | my ($scfg, $storeid, $op, @options) = @_; | |
103 | ||
104 | return $build_cmd->('/usr/bin/rbd', $scfg, $storeid, $op, @options); | |
105 | }; | |
106 | ||
107 | my $rados_cmd = sub { | |
108 | my ($scfg, $storeid, $op, @options) = @_; | |
109 | ||
110 | return $build_cmd->('/usr/bin/rados', $scfg, $storeid, $op, @options); | |
111 | }; | |
112 | ||
d86fd0a4 | 113 | # needed for volumes created using ceph jewel (or higher) |
0ef8fb9d | 114 | my $krbd_feature_update = sub { |
d86fd0a4 FG |
115 | my ($scfg, $storeid, $name) = @_; |
116 | ||
0ef8fb9d TL |
117 | my (@disable, @enable); |
118 | my ($kmajor, $kminor) = PVE::ProcFSTools::kernel_version(); | |
4c3b3085 | 119 | |
0ef8fb9d TL |
120 | if ($kmajor > 5 || $kmajor == 5 && $kminor >= 3) { |
121 | # 'deep-flatten' can only be disabled, not enabled after image creation | |
122 | push @enable, 'fast-diff', 'object-map'; | |
123 | } else { | |
124 | push @disable, 'fast-diff', 'object-map', 'deep-flatten'; | |
125 | } | |
126 | ||
127 | if ($kmajor >= 5) { | |
128 | push @enable, 'exclusive-lock'; | |
129 | } else { | |
130 | push @disable, 'exclusive-lock'; | |
131 | } | |
4c3b3085 | 132 | |
0ef8fb9d TL |
133 | my $active_features_list = (rbd_volume_info($scfg, $storeid, $name))[4]; |
134 | my $active_features = { map { $_ => 1 } @$active_features_list }; | |
135 | ||
136 | my $to_disable = join(',', grep { $active_features->{$_} } @disable); | |
137 | my $to_enable = join(',', grep { !$active_features->{$_} } @enable ); | |
138 | ||
139 | if ($to_disable) { | |
140 | print "disable RBD image features this kernel RBD drivers is not compatible with: $to_disable\n"; | |
141 | my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'disable', $name, $to_disable); | |
142 | run_rbd_command( | |
143 | $cmd, | |
144 | errmsg => "could not disable krbd-incompatible image features '$to_disable' for rbd image: $name", | |
145 | ); | |
146 | } | |
147 | if ($to_enable) { | |
148 | print "enable RBD image features this kernel RBD drivers supports: $to_enable\n"; | |
149 | eval { | |
150 | my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'enable', $name, $to_enable); | |
151 | run_rbd_command( | |
152 | $cmd, | |
153 | errmsg => "could not enable krbd-compatible image features '$to_enable' for rbd image: $name", | |
154 | ); | |
155 | }; | |
156 | warn "$@" if $@; | |
4c3b3085 | 157 | } |
d86fd0a4 FG |
158 | }; |
159 | ||
c693f749 SP |
160 | sub run_rbd_command { |
161 | my ($cmd, %args) = @_; | |
162 | ||
163 | my $lasterr; | |
164 | my $errmsg = $args{errmsg} . ": " || ""; | |
c97c5b3b | 165 | if (!exists($args{errfunc})) { |
c693f749 SP |
166 | # ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect; |
167 | # at least 1 child(ren) in pool cephstor1 | |
168 | $args{errfunc} = sub { | |
c97c5b3b DM |
169 | my $line = shift; |
170 | if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) { | |
171 | $lasterr = "$1\n"; | |
172 | } else { | |
173 | $lasterr = $line; | |
174 | } | |
175 | print STDERR $lasterr; | |
176 | *STDERR->flush(); | |
177 | }; | |
178 | } | |
6d0d0a97 | 179 | |
c97c5b3b DM |
180 | eval { run_command($cmd, %args); }; |
181 | if (my $err = $@) { | |
182 | die $errmsg . $lasterr if length($lasterr); | |
183 | die $err; | |
c693f749 SP |
184 | } |
185 | ||
c97c5b3b | 186 | return undef; |
c693f749 SP |
187 | } |
188 | ||
411476cd DM |
189 | sub rbd_ls { |
190 | my ($scfg, $storeid) = @_; | |
d70e7f6c | 191 | |
1440604a | 192 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
e9bc9931 | 193 | $pool .= "/$scfg->{namespace}" if defined($scfg->{namespace}); |
d70e7f6c | 194 | |
89a8800b | 195 | my $raw = ''; |
1be93fe2 | 196 | my $parser = sub { $raw .= shift }; |
8c3abf12 | 197 | |
72bbd8a6 | 198 | my $cmd = $rbd_cmd->($scfg, $storeid, 'ls', '-l', '--format', 'json'); |
8c3abf12 | 199 | eval { |
c693f749 | 200 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); |
8c3abf12 DM |
201 | }; |
202 | my $err = $@; | |
203 | ||
204 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
89a8800b | 205 | |
00571710 DM |
206 | my $result; |
207 | if ($raw eq '') { | |
208 | $result = []; | |
209 | } elsif ($raw =~ m/^(\[.*\])$/s) { # untaint | |
210 | $result = JSON::decode_json($1); | |
211 | } else { | |
212 | die "got unexpected data from rbd ls: '$raw'\n"; | |
213 | } | |
89a8800b DC |
214 | |
215 | my $list = {}; | |
216 | ||
217 | foreach my $el (@$result) { | |
218 | next if defined($el->{snapshot}); | |
219 | ||
220 | my $image = $el->{image}; | |
221 | ||
222 | my ($owner) = $image =~ m/^(?:vm|base)-(\d+)-/; | |
aa14def4 | 223 | next if !defined($owner); |
89a8800b DC |
224 | |
225 | $list->{$pool}->{$image} = { | |
226 | name => $image, | |
227 | size => $el->{size}, | |
228 | parent => $get_parent_image_name->($el->{parent}), | |
229 | vmid => $owner | |
230 | }; | |
231 | } | |
232 | ||
411476cd | 233 | return $list; |
0509010d AD |
234 | } |
235 | ||
a573f66a FG |
236 | sub rbd_ls_snap { |
237 | my ($scfg, $storeid, $name) = @_; | |
238 | ||
72bbd8a6 | 239 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'ls', $name, '--format', 'json'); |
a573f66a FG |
240 | |
241 | my $raw = ''; | |
242 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => sub { $raw .= shift; }); | |
243 | ||
244 | my $list; | |
245 | if ($raw =~ m/^(\[.*\])$/s) { # untaint | |
246 | $list = eval { JSON::decode_json($1) }; | |
247 | die "invalid JSON output from 'rbd snap ls $name': $@\n" if $@; | |
248 | } else { | |
249 | die "got unexpected data from 'rbd snap ls $name': '$raw'\n"; | |
250 | } | |
251 | ||
252 | $list = [] if !defined($list); | |
253 | ||
254 | my $res = {}; | |
255 | foreach my $el (@$list) { | |
256 | my $snap = $el->{name}; | |
257 | my $protected = defined($el->{protected}) && $el->{protected} eq "true" ? 1 : undef; | |
258 | $res->{$snap} = { | |
259 | name => $snap, | |
260 | id => $el->{id} // undef, | |
261 | size => $el->{size} // 0, | |
262 | protected => $protected, | |
263 | }; | |
264 | } | |
265 | return $res; | |
266 | } | |
267 | ||
62b98a65 | 268 | sub rbd_volume_info { |
992e6835 AD |
269 | my ($scfg, $storeid, $volname, $snap) = @_; |
270 | ||
271 | my $cmd = undef; | |
272 | ||
89a8800b | 273 | my @options = ('info', $volname, '--format', 'json'); |
1be93fe2 | 274 | if ($snap) { |
89a8800b | 275 | push @options, '--snap', $snap; |
992e6835 | 276 | } |
e110213e | 277 | |
72bbd8a6 | 278 | $cmd = $rbd_cmd->($scfg, $storeid, @options); |
89a8800b | 279 | |
89a8800b | 280 | my $raw = ''; |
1be93fe2 | 281 | my $parser = sub { $raw .= shift }; |
e110213e | 282 | |
c693f749 | 283 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); |
1be93fe2 | 284 | |
00571710 DM |
285 | my $volume; |
286 | if ($raw eq '') { | |
287 | $volume = {}; | |
288 | } elsif ($raw =~ m/^(\{.*\})$/s) { # untaint | |
289 | $volume = JSON::decode_json($1); | |
290 | } else { | |
291 | die "got unexpected data from rbd info: '$raw'\n"; | |
292 | } | |
1be93fe2 | 293 | |
89a8800b | 294 | $volume->{parent} = $get_parent_image_name->($volume->{parent}); |
1be93fe2 | 295 | $volume->{protected} = defined($volume->{protected}) && $volume->{protected} eq "true" ? 1 : undef; |
e110213e | 296 | |
89a8800b | 297 | return $volume->@{qw(size parent format protected features)}; |
e110213e AD |
298 | } |
299 | ||
e5427b00 | 300 | # Configuration |
0509010d | 301 | |
0509010d AD |
302 | sub type { |
303 | return 'rbd'; | |
304 | } | |
305 | ||
306 | sub plugindata { | |
307 | return { | |
1f79bb07 | 308 | content => [ {images => 1, rootdir => 1}, { images => 1 }], |
0509010d AD |
309 | }; |
310 | } | |
311 | ||
312 | sub properties { | |
313 | return { | |
e5427b00 | 314 | monhost => { |
0b9ef02e | 315 | description => "IP addresses of monitors (for external clusters).", |
e858048f | 316 | type => 'string', format => 'pve-storage-portal-dns-list', |
0509010d | 317 | }, |
e5427b00 AD |
318 | pool => { |
319 | description => "Pool.", | |
0509010d AD |
320 | type => 'string', |
321 | }, | |
ef2afce7 AL |
322 | 'data-pool' => { |
323 | description => "Data Pool (for erasure coding only)", | |
324 | type => 'string', | |
325 | }, | |
6d0d0a97 | 326 | namespace => { |
e9bc9931 AL |
327 | description => "RBD Namespace.", |
328 | type => 'string', | |
329 | }, | |
e5427b00 AD |
330 | username => { |
331 | description => "RBD Id.", | |
0509010d AD |
332 | type => 'string', |
333 | }, | |
e5427b00 | 334 | authsupported => { |
0509010d AD |
335 | description => "Authsupported.", |
336 | type => 'string', | |
337 | }, | |
9f20a8a6 | 338 | krbd => { |
40d69893 | 339 | description => "Always access rbd through krbd kernel module.", |
9f20a8a6 AD |
340 | type => 'boolean', |
341 | }, | |
22b68016 AL |
342 | keyring => { |
343 | description => "Client keyring contents (for external clusters).", | |
344 | type => 'string', | |
345 | }, | |
0509010d AD |
346 | }; |
347 | } | |
348 | ||
349 | sub options { | |
350 | return { | |
35d6dfaf AD |
351 | nodes => { optional => 1 }, |
352 | disable => { optional => 1 }, | |
0b9ef02e | 353 | monhost => { optional => 1}, |
1440604a | 354 | pool => { optional => 1 }, |
ef2afce7 | 355 | 'data-pool' => { optional => 1 }, |
e9bc9931 | 356 | namespace => { optional => 1 }, |
1440604a | 357 | username => { optional => 1 }, |
0509010d | 358 | content => { optional => 1 }, |
9f20a8a6 | 359 | krbd => { optional => 1 }, |
22b68016 | 360 | keyring => { optional => 1 }, |
9edb99a5 | 361 | bwlimit => { optional => 1 }, |
0509010d AD |
362 | }; |
363 | } | |
364 | ||
365 | # Storage implementation | |
366 | ||
2e109b4b TL |
367 | sub on_add_hook { |
368 | my ($class, $storeid, $scfg, %param) = @_; | |
369 | ||
22b68016 AL |
370 | my $secret = $param{keyring} if defined $param{keyring} // undef; |
371 | PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid, $secret); | |
372 | ||
373 | return; | |
374 | } | |
2e109b4b | 375 | |
22b68016 AL |
376 | sub on_update_hook { |
377 | my ($class, $storeid, $scfg, %param) = @_; | |
378 | ||
379 | if (exists($param{keyring})) { | |
380 | if (defined($param{keyring})) { | |
381 | PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid, $param{keyring}); | |
382 | } else { | |
383 | PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid); | |
384 | } | |
385 | } | |
f3ccd0ef FE |
386 | |
387 | return; | |
2e109b4b TL |
388 | } |
389 | ||
390 | sub on_delete_hook { | |
391 | my ($class, $storeid, $scfg) = @_; | |
4050fcc1 | 392 | PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid); |
f3ccd0ef | 393 | return; |
2e109b4b TL |
394 | } |
395 | ||
0509010d AD |
396 | sub parse_volname { |
397 | my ($class, $volname) = @_; | |
398 | ||
d04c7e55 | 399 | if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) { |
7800e84d | 400 | return ('images', $4, $7, $2, $3, $5, 'raw'); |
0509010d AD |
401 | } |
402 | ||
403 | die "unable to parse rbd volume name '$volname'\n"; | |
404 | } | |
405 | ||
406 | sub path { | |
38e6ec3f | 407 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
0509010d | 408 | |
4050fcc1 | 409 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
0509010d | 410 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
38e6ec3f | 411 | $name .= '@'.$snapname if $snapname; |
0509010d | 412 | |
cfe46e2d AL |
413 | my $rbd_dev_path = get_rbd_dev_path($scfg, $storeid, $name); |
414 | return ($rbd_dev_path, $vmid, $vtype) if $scfg->{krbd}; | |
33cef4c8 | 415 | |
cfe46e2d | 416 | my $rbd_path = get_rbd_path($scfg, $name); |
aeb007cb | 417 | my $path = "rbd:${rbd_path}"; |
6eebc4a7 | 418 | |
5fc02afb FG |
419 | $path .= ":conf=$cmd_option->{ceph_conf}" if $cmd_option->{ceph_conf}; |
420 | if (defined($scfg->{monhost})) { | |
4050fcc1 | 421 | my $monhost = PVE::CephConfig::hostlist($scfg->{monhost}, ';'); |
6eebc4a7 FG |
422 | $monhost =~ s/:/\\:/g; |
423 | $path .= ":mon_host=$monhost"; | |
6cc88e8e | 424 | $path .= ":auth_supported=$cmd_option->{auth_supported}"; |
6eebc4a7 FG |
425 | } |
426 | ||
6cc88e8e | 427 | $path .= ":id=$cmd_option->{userid}:keyring=$cmd_option->{keyring}" if ($cmd_option->{keyring}); |
13417225 | 428 | |
0509010d AD |
429 | return ($path, $vmid, $vtype); |
430 | } | |
431 | ||
a44c0147 FE |
432 | sub find_free_diskname { |
433 | my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_; | |
5b9b9b14 | 434 | |
72bbd8a6 | 435 | my $cmd = $rbd_cmd->($scfg, $storeid, 'ls'); |
e9bc9931 | 436 | |
c4a29df4 | 437 | my $disk_list = []; |
5b9b9b14 | 438 | |
53a236f2 FG |
439 | my $parser = sub { |
440 | my $line = shift; | |
dd9e97ed | 441 | if ($line =~ m/^(.*)$/) { # untaint |
00571710 DM |
442 | push @$disk_list, $1; |
443 | } | |
53a236f2 FG |
444 | }; |
445 | ||
446 | eval { | |
447 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
448 | }; | |
449 | my $err = $@; | |
450 | ||
451 | die $err if $err && $err !~ m/doesn't contain rbd images/; | |
452 | ||
c4a29df4 | 453 | return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg); |
a44c0147 | 454 | } |
5b9b9b14 | 455 | |
5eab0272 DM |
456 | sub create_base { |
457 | my ($class, $storeid, $scfg, $volname) = @_; | |
458 | ||
992e6835 AD |
459 | my $snap = '__base__'; |
460 | ||
461 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
462 | $class->parse_volname($volname); | |
463 | ||
464 | die "create_base not possible with base image\n" if $isBase; | |
465 | ||
466 | my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name); | |
467 | die "rbd volume info on '$name' failed\n" if !($size); | |
468 | ||
469 | die "rbd image must be at format V2" if $format ne "2"; | |
470 | ||
471 | die "volname '$volname' contains wrong information about parent $parent $basename\n" | |
472 | if $basename && (!$parent || $parent ne $basename."@".$snap); | |
473 | ||
474 | my $newname = $name; | |
475 | $newname =~ s/^vm-/base-/; | |
476 | ||
477 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
478 | ||
72bbd8a6 | 479 | my $cmd = $rbd_cmd->( |
aeb007cb AL |
480 | $scfg, |
481 | $storeid, | |
482 | 'rename', | |
4cf696f6 TL |
483 | get_rbd_path($scfg, $name), |
484 | get_rbd_path($scfg, $newname), | |
aeb007cb | 485 | ); |
c693f749 | 486 | run_rbd_command($cmd, errmsg => "rbd rename '$name' error"); |
992e6835 | 487 | |
95947178 FE |
488 | eval { $class->unmap_volume($storeid, $scfg, $volname); }; |
489 | warn $@ if $@; | |
490 | ||
992e6835 AD |
491 | my $running = undef; #fixme : is create_base always offline ? |
492 | ||
493 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
494 | ||
495 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap); | |
496 | ||
497 | if (!$protected){ | |
72bbd8a6 | 498 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap); |
2362bc87 | 499 | run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error"); |
992e6835 AD |
500 | } |
501 | ||
502 | return $newvolname; | |
503 | ||
5eab0272 DM |
504 | } |
505 | ||
506 | sub clone_image { | |
f236eaf8 | 507 | my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_; |
5eab0272 | 508 | |
f2708285 | 509 | my $snap = '__base__'; |
f236eaf8 | 510 | $snap = $snapname if length $snapname; |
f2708285 AD |
511 | |
512 | my ($vtype, $basename, $basevmid, undef, undef, $isBase) = | |
513 | $class->parse_volname($volname); | |
514 | ||
63da6d79 DM |
515 | die "$volname is not a base image and snapname is not provided\n" |
516 | if !$isBase && !length($snapname); | |
f2708285 | 517 | |
a44c0147 | 518 | my $name = $class->find_free_diskname($storeid, $scfg, $vmid); |
f2708285 | 519 | |
f236eaf8 SP |
520 | warn "clone $volname: $basename snapname $snap to $name\n"; |
521 | ||
63da6d79 | 522 | if (length($snapname)) { |
f236eaf8 SP |
523 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname); |
524 | ||
63da6d79 | 525 | if (!$protected) { |
72bbd8a6 | 526 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname); |
f236eaf8 SP |
527 | run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error"); |
528 | } | |
529 | } | |
f2708285 AD |
530 | |
531 | my $newvol = "$basename/$name"; | |
63da6d79 DM |
532 | $newvol = $name if length($snapname); |
533 | ||
c915afca TL |
534 | my @options = ( |
535 | get_rbd_path($scfg, $basename), | |
536 | '--snap', $snap, | |
537 | ); | |
ef2afce7 | 538 | push @options, ('--data-pool', $scfg->{'data-pool'}) if $scfg->{'data-pool'}; |
f2708285 | 539 | |
c915afca | 540 | my $cmd = $rbd_cmd->($scfg, $storeid, 'clone', @options, get_rbd_path($scfg, $name)); |
c693f749 | 541 | run_rbd_command($cmd, errmsg => "rbd clone '$basename' error"); |
f2708285 AD |
542 | |
543 | return $newvol; | |
5eab0272 DM |
544 | } |
545 | ||
0509010d AD |
546 | sub alloc_image { |
547 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
548 | ||
549 | ||
292a33fd | 550 | die "illegal name '$name' - should be 'vm-$vmid-*'\n" |
0509010d | 551 | if $name && $name !~ m/^vm-$vmid-/; |
0509010d | 552 | |
a44c0147 | 553 | $name = $class->find_free_diskname($storeid, $scfg, $vmid) if !$name; |
0509010d | 554 | |
c915afca TL |
555 | my @options = ( |
556 | '--image-format' , 2, | |
557 | '--size', int(($size + 1023) / 1024), | |
558 | ); | |
ef2afce7 | 559 | push @options, ('--data-pool', $scfg->{'data-pool'}) if $scfg->{'data-pool'}; |
c915afca TL |
560 | |
561 | my $cmd = $rbd_cmd->($scfg, $storeid, 'create', @options, $name); | |
3c931155 | 562 | run_rbd_command($cmd, errmsg => "rbd create '$name' error"); |
0509010d AD |
563 | |
564 | return $name; | |
565 | } | |
566 | ||
567 | sub free_image { | |
32437ed2 | 568 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; |
0509010d | 569 | |
42d07b9a AD |
570 | my ($vtype, $name, $vmid, undef, undef, undef) = |
571 | $class->parse_volname($volname); | |
572 | ||
e9bc9931 | 573 | |
a573f66a FG |
574 | my $snaps = rbd_ls_snap($scfg, $storeid, $name); |
575 | foreach my $snap (keys %$snaps) { | |
576 | if ($snaps->{$snap}->{protected}) { | |
72bbd8a6 | 577 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); |
2362bc87 | 578 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); |
42d07b9a AD |
579 | } |
580 | } | |
581 | ||
515ef80b WL |
582 | $class->deactivate_volume($storeid, $scfg, $volname); |
583 | ||
72bbd8a6 | 584 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'purge', $name); |
85043c01 | 585 | run_rbd_command($cmd, errmsg => "rbd snap purge '$name' error"); |
c30470a3 | 586 | |
72bbd8a6 | 587 | $cmd = $rbd_cmd->($scfg, $storeid, 'rm', $name); |
85043c01 | 588 | run_rbd_command($cmd, errmsg => "rbd rm '$name' error"); |
0509010d AD |
589 | |
590 | return undef; | |
591 | } | |
592 | ||
593 | sub list_images { | |
594 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
595 | ||
e5427b00 | 596 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; |
ed7ea5a3 | 597 | |
c27fe648 | 598 | my $dat = $cache->{rbd}->{get_rbd_path($scfg)}; |
ed7ea5a3 | 599 | return [] if !$dat; # nothing found |
cfd58f1f | 600 | |
ed7ea5a3 TL |
601 | my $res = []; |
602 | for my $image (sort keys %$dat) { | |
603 | my $info = $dat->{$image}; | |
604 | my ($volname, $parent, $owner) = $info->@{'name', 'parent', 'vmid'}; | |
605 | ||
606 | if ($parent && $parent =~ m/^(base-\d+-\S+)\@__base__$/) { | |
607 | $info->{volid} = "$storeid:$1/$volname"; | |
608 | } else { | |
609 | $info->{volid} = "$storeid:$volname"; | |
610 | } | |
0509010d | 611 | |
ed7ea5a3 TL |
612 | if ($vollist) { |
613 | my $found = grep { $_ eq $info->{volid} } @$vollist; | |
614 | next if !$found; | |
615 | } else { | |
616 | next if defined ($vmid) && ($owner ne $vmid); | |
617 | } | |
0509010d | 618 | |
ed7ea5a3 | 619 | $info->{format} = 'raw'; |
0509010d | 620 | |
ed7ea5a3 | 621 | push @$res, $info; |
0509010d | 622 | } |
ed7ea5a3 | 623 | |
411476cd | 624 | return $res; |
0509010d AD |
625 | } |
626 | ||
0509010d AD |
627 | sub status { |
628 | my ($class, $storeid, $scfg, $cache) = @_; | |
629 | ||
72bbd8a6 | 630 | my $rados = $librados_connect->($scfg, $storeid); |
41aacc6c | 631 | my $df = $rados->mon_command({ prefix => 'df', format => 'json' }); |
69589444 | 632 | |
41aacc6c | 633 | my ($d) = grep { $_->{name} eq $scfg->{pool} } @{$df->{pools}}; |
69589444 | 634 | |
41aacc6c AA |
635 | # max_avail -> max available space for data w/o replication in the pool |
636 | # bytes_used -> data w/o replication in the pool | |
637 | my $free = $d->{stats}->{max_avail}; | |
e79ab52c | 638 | my $used = $d->{stats}->{stored} // $d->{stats}->{bytes_used}; |
41aacc6c | 639 | my $total = $used + $free; |
0509010d | 640 | my $active = 1; |
0509010d | 641 | |
411476cd | 642 | return ($total, $free, $used, $active); |
0509010d AD |
643 | } |
644 | ||
645 | sub activate_storage { | |
646 | my ($class, $storeid, $scfg, $cache) = @_; | |
647 | return 1; | |
648 | } | |
649 | ||
650 | sub deactivate_storage { | |
651 | my ($class, $storeid, $scfg, $cache) = @_; | |
652 | return 1; | |
653 | } | |
654 | ||
40d69893 DM |
655 | sub map_volume { |
656 | my ($class, $storeid, $scfg, $volname, $snapname) = @_; | |
9f20a8a6 | 657 | |
518f3908 FG |
658 | my ($vtype, $img_name, $vmid) = $class->parse_volname($volname); |
659 | ||
660 | my $name = $img_name; | |
40d69893 DM |
661 | $name .= '@'.$snapname if $snapname; |
662 | ||
cc682faa | 663 | my $kerneldev = get_rbd_dev_path($scfg, $storeid, $name); |
40d69893 DM |
664 | |
665 | return $kerneldev if -b $kerneldev; # already mapped | |
666 | ||
518f3908 FG |
667 | # features can only be enabled/disabled for image, not for snapshot! |
668 | $krbd_feature_update->($scfg, $storeid, $img_name); | |
9f20a8a6 | 669 | |
72bbd8a6 | 670 | my $cmd = $rbd_cmd->($scfg, $storeid, 'map', $name); |
40d69893 DM |
671 | run_rbd_command($cmd, errmsg => "can't map rbd volume $name"); |
672 | ||
673 | return $kerneldev; | |
674 | } | |
675 | ||
676 | sub unmap_volume { | |
677 | my ($class, $storeid, $scfg, $volname, $snapname) = @_; | |
678 | ||
679 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
680 | $name .= '@'.$snapname if $snapname; | |
681 | ||
cc682faa | 682 | my $kerneldev = get_rbd_dev_path($scfg, $storeid, $name); |
40d69893 DM |
683 | |
684 | if (-b $kerneldev) { | |
72bbd8a6 | 685 | my $cmd = $rbd_cmd->($scfg, $storeid, 'unmap', $kerneldev); |
40d69893 DM |
686 | run_rbd_command($cmd, errmsg => "can't unmap rbd device $kerneldev"); |
687 | } | |
9f20a8a6 | 688 | |
0509010d AD |
689 | return 1; |
690 | } | |
691 | ||
40d69893 | 692 | sub activate_volume { |
02e797b8 | 693 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
9f20a8a6 | 694 | |
40d69893 | 695 | $class->map_volume($storeid, $scfg, $volname, $snapname) if $scfg->{krbd}; |
9f20a8a6 | 696 | |
40d69893 DM |
697 | return 1; |
698 | } | |
9f20a8a6 | 699 | |
40d69893 DM |
700 | sub deactivate_volume { |
701 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
b50812f9 | 702 | |
40d69893 | 703 | $class->unmap_volume($storeid, $scfg, $volname, $snapname); |
9f20a8a6 | 704 | |
0509010d AD |
705 | return 1; |
706 | } | |
707 | ||
0002d9cc AD |
708 | sub volume_size_info { |
709 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
710 | ||
81d1d017 AD |
711 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
712 | my ($size, undef) = rbd_volume_info($scfg, $storeid, $name); | |
62b98a65 | 713 | return $size; |
0002d9cc AD |
714 | } |
715 | ||
e7a42a76 AD |
716 | sub volume_resize { |
717 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
718 | ||
40d69893 | 719 | return 1 if $running && !$scfg->{krbd}; # FIXME??? |
e7a42a76 | 720 | |
478fc06c AD |
721 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
722 | ||
72bbd8a6 | 723 | my $cmd = $rbd_cmd->($scfg, $storeid, 'resize', '--allow-shrink', '--size', ($size/1024/1024), $name); |
c693f749 | 724 | run_rbd_command($cmd, errmsg => "rbd resize '$volname' error"); |
e7a42a76 AD |
725 | return undef; |
726 | } | |
727 | ||
788dd8e1 | 728 | sub volume_snapshot { |
f5640e7d | 729 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
788dd8e1 | 730 | |
9af33ed0 AD |
731 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
732 | ||
72bbd8a6 | 733 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name); |
c693f749 | 734 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); |
788dd8e1 AD |
735 | return undef; |
736 | } | |
737 | ||
5a2b2e2f AD |
738 | sub volume_snapshot_rollback { |
739 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
740 | ||
c6ce2cc8 AD |
741 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
742 | ||
72bbd8a6 | 743 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name); |
2362bc87 | 744 | run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error"); |
5a2b2e2f AD |
745 | } |
746 | ||
cce29bcd AD |
747 | sub volume_snapshot_delete { |
748 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
749 | ||
40d69893 | 750 | return 1 if $running && !$scfg->{krbd}; # FIXME: ???? |
cce29bcd | 751 | |
399581a2 WB |
752 | $class->deactivate_volume($storeid, $scfg, $volname, $snap, {}); |
753 | ||
c78cb110 AD |
754 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
755 | ||
f90a0a20 SP |
756 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); |
757 | if ($protected){ | |
72bbd8a6 | 758 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); |
f90a0a20 SP |
759 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); |
760 | } | |
761 | ||
72bbd8a6 | 762 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name); |
c693f749 SP |
763 | |
764 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
765 | ||
cce29bcd AD |
766 | return undef; |
767 | } | |
768 | ||
2c036838 | 769 | sub volume_snapshot_needs_fsfreeze { |
2c036838 SI |
770 | return 1; |
771 | } | |
772 | ||
774f21b9 AD |
773 | sub volume_has_feature { |
774 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
775 | ||
776 | my $features = { | |
5649ccfe | 777 | snapshot => { current => 1, snap => 1}, |
44c3689a | 778 | clone => { base => 1, snap => 1}, |
5649ccfe AD |
779 | template => { current => 1}, |
780 | copy => { base => 1, current => 1, snap => 1}, | |
baafddbd | 781 | sparseinit => { base => 1, current => 1}, |
95dfa44c | 782 | rename => {current => 1}, |
774f21b9 AD |
783 | }; |
784 | ||
6d0d0a97 | 785 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = $class->parse_volname($volname); |
1e7ae581 AD |
786 | |
787 | my $key = undef; | |
6d0d0a97 | 788 | if ($snapname){ |
2c5a7097 | 789 | $key = 'snap'; |
6d0d0a97 TL |
790 | } else { |
791 | $key = $isBase ? 'base' : 'current'; | |
1e7ae581 AD |
792 | } |
793 | return 1 if $features->{$feature}->{$key}; | |
774f21b9 AD |
794 | |
795 | return undef; | |
796 | } | |
797 | ||
95dfa44c AL |
798 | sub rename_volume { |
799 | my ($class, $scfg, $storeid, $source_volname, $target_vmid, $target_volname) = @_; | |
800 | ||
801 | my ( | |
802 | undef, | |
803 | $source_image, | |
804 | $source_vmid, | |
805 | $base_name, | |
806 | $base_vmid, | |
807 | undef, | |
808 | $format | |
809 | ) = $class->parse_volname($source_volname); | |
810 | $target_volname = $class->find_free_diskname($storeid, $scfg, $target_vmid, $format) | |
811 | if !$target_volname; | |
812 | ||
813 | eval { | |
814 | my $cmd = $rbd_cmd->($scfg, $storeid, 'info', $target_volname); | |
815 | run_rbd_command($cmd, errmsg => "exist check", quiet => 1); | |
816 | }; | |
817 | die "target volume '${target_volname}' already exists\n" if !$@; | |
818 | ||
819 | my $cmd = $rbd_cmd->($scfg, $storeid, 'rename', $source_image, $target_volname); | |
820 | ||
821 | run_rbd_command( | |
822 | $cmd, | |
823 | errmsg => "could not rename image '${source_image}' to '${target_volname}'", | |
824 | ); | |
825 | ||
95947178 FE |
826 | eval { $class->unmap_volume($storeid, $scfg, $source_volname); }; |
827 | warn $@ if $@; | |
828 | ||
95dfa44c AL |
829 | $base_name = $base_name ? "${base_name}/" : ''; |
830 | ||
831 | return "${storeid}:${base_name}${target_volname}"; | |
832 | } | |
833 | ||
0509010d | 834 | 1; |