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1 | package PVE::Storage::RBDPlugin; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use IO::File; | |
6 | use PVE::Tools qw(run_command trim); | |
7 | use PVE::Storage::Plugin; | |
8 | use PVE::JSONSchema qw(get_standard_option); | |
9 | ||
10 | use base qw(PVE::Storage::Plugin); | |
11 | ||
12 | sub rbd_unittobytes { | |
13 | { | |
14 | "M" => 1024*1024, | |
15 | "G" => 1024*1024*1024, | |
16 | "T" => 1024*1024*1024*1024, | |
17 | } | |
18 | } | |
19 | ||
20 | my $add_pool_to_disk = sub { | |
21 | my ($scfg, $disk) = @_; | |
22 | ||
23 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
24 | ||
25 | return "$pool/$disk"; | |
26 | }; | |
27 | ||
28 | my $rbd_cmd = sub { | |
29 | my ($scfg, $storeid, $op, @options) = @_; | |
30 | ||
31 | my $monhost = $scfg->{monhost}; | |
32 | $monhost =~ s/;/,/g; | |
33 | ||
34 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; | |
35 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
36 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
37 | ||
38 | my $cmd = ['/usr/bin/rbd', '-p', $pool, '-m', $monhost]; | |
39 | ||
40 | if(-e $keyring){ | |
41 | push @$cmd, '-n', "client.$username"; | |
42 | push @$cmd, '--keyring', $keyring; | |
43 | push @$cmd, '--auth_supported', 'cephx'; | |
44 | }else{ | |
45 | push @$cmd, '--auth_supported', 'none'; | |
46 | } | |
47 | ||
48 | push @$cmd, $op; | |
49 | ||
50 | push @$cmd, @options if scalar(@options); | |
51 | ||
52 | return $cmd; | |
53 | }; | |
54 | ||
55 | my $rados_cmd = sub { | |
56 | my ($scfg, $storeid, $op, @options) = @_; | |
57 | ||
58 | my $monhost = $scfg->{monhost}; | |
59 | $monhost =~ s/;/,/g; | |
60 | ||
61 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; | |
62 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
63 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
64 | ||
65 | my $cmd = ['/usr/bin/rados', '-p', $pool, '-m', $monhost]; | |
66 | ||
67 | if(-e $keyring){ | |
68 | push @$cmd, '-n', "client.$username"; | |
69 | push @$cmd, '--keyring', $keyring; | |
70 | push @$cmd, '--auth_supported', 'cephx'; | |
71 | }else{ | |
72 | push @$cmd, '--auth_supported', 'none'; | |
73 | } | |
74 | ||
75 | push @$cmd, $op; | |
76 | ||
77 | push @$cmd, @options if scalar(@options); | |
78 | ||
79 | return $cmd; | |
80 | }; | |
81 | ||
82 | my $ceph_version_parser = sub { | |
83 | my $line = shift; | |
84 | if ($line =~ m/^ceph version ((\d+)\.(\d+)\.(\d+))(?: \([a-fA-F0-9]+\))?$/) { | |
85 | return ($2, $3, $4, $1); | |
86 | } else { | |
87 | warn "Could not parse Ceph version: '$line'\n"; | |
88 | } | |
89 | }; | |
90 | ||
91 | sub ceph_version { | |
92 | my ($cache) = @_; | |
93 | ||
94 | my $version_string = $cache; | |
95 | ||
96 | my $major; | |
97 | my $minor; | |
98 | my $bugfix; | |
99 | ||
100 | if (defined($version_string)) { | |
101 | ($major, $minor, $bugfix, $version_string) = &$version_parser($version_string); | |
102 | } else { | |
103 | run_command('ceph version', outfunc => sub { | |
104 | my $line = shift; | |
105 | ($major, $minor, $bugfix, $version_string) = &$version_parser($line); | |
106 | }); | |
107 | } | |
108 | return undef if !defined($version_string); | |
109 | return wantarray ? ($major, $minor, $bugfix, $version_string) : $version_string; | |
110 | } | |
111 | ||
112 | sub run_rbd_command { | |
113 | my ($cmd, %args) = @_; | |
114 | ||
115 | my $lasterr; | |
116 | my $errmsg = $args{errmsg} . ": " || ""; | |
117 | if (!exists($args{errfunc})) { | |
118 | # ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect; | |
119 | # at least 1 child(ren) in pool cephstor1 | |
120 | $args{errfunc} = sub { | |
121 | my $line = shift; | |
122 | if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) { | |
123 | $lasterr = "$1\n"; | |
124 | } else { | |
125 | $lasterr = $line; | |
126 | } | |
127 | print STDERR $lasterr; | |
128 | *STDERR->flush(); | |
129 | }; | |
130 | } | |
131 | ||
132 | eval { run_command($cmd, %args); }; | |
133 | if (my $err = $@) { | |
134 | die $errmsg . $lasterr if length($lasterr); | |
135 | die $err; | |
136 | } | |
137 | ||
138 | return undef; | |
139 | } | |
140 | ||
141 | sub rbd_ls { | |
142 | my ($scfg, $storeid) = @_; | |
143 | ||
144 | my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l'); | |
145 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
146 | ||
147 | my $list = {}; | |
148 | ||
149 | my $parser = sub { | |
150 | my $line = shift; | |
151 | ||
152 | if ($line =~ m/^((vm|base)-(\d+)-disk-\d+)\s+(\d+)(M|G|T)\s((\S+)\/((vm|base)-\d+-\S+@\S+))?/) { | |
153 | my ($image, $owner, $size, $unit, $parent) = ($1, $3, $4, $5, $8); | |
154 | ||
155 | $list->{$pool}->{$image} = { | |
156 | name => $image, | |
157 | size => $size*rbd_unittobytes()->{$unit}, | |
158 | parent => $parent, | |
159 | vmid => $owner | |
160 | }; | |
161 | } | |
162 | }; | |
163 | ||
164 | eval { | |
165 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
166 | }; | |
167 | my $err = $@; | |
168 | ||
169 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
170 | ||
171 | return $list; | |
172 | } | |
173 | ||
174 | sub rbd_volume_info { | |
175 | my ($scfg, $storeid, $volname, $snap) = @_; | |
176 | ||
177 | my $cmd = undef; | |
178 | ||
179 | if($snap){ | |
180 | $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname, '--snap', $snap); | |
181 | }else{ | |
182 | $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname); | |
183 | } | |
184 | ||
185 | my $size = undef; | |
186 | my $parent = undef; | |
187 | my $format = undef; | |
188 | my $protected = undef; | |
189 | ||
190 | my $parser = sub { | |
191 | my $line = shift; | |
192 | ||
193 | if ($line =~ m/size (\d+) (M|G|T)B in (\d+) objects/) { | |
194 | $size = $1 * rbd_unittobytes()->{$2} if ($1); | |
195 | } elsif ($line =~ m/parent:\s(\S+)\/(\S+)/) { | |
196 | $parent = $2; | |
197 | } elsif ($line =~ m/format:\s(\d+)/) { | |
198 | $format = $1; | |
199 | } elsif ($line =~ m/protected:\s(\S+)/) { | |
200 | $protected = 1 if $1 eq "True"; | |
201 | } | |
202 | ||
203 | }; | |
204 | ||
205 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
206 | ||
207 | return ($size, $parent, $format, $protected); | |
208 | } | |
209 | ||
210 | # Configuration | |
211 | ||
212 | PVE::JSONSchema::register_format('pve-storage-monhost', \&parse_monhost); | |
213 | sub parse_monhost { | |
214 | my ($name, $noerr) = @_; | |
215 | ||
216 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
217 | return undef if $noerr; | |
218 | die "lvm name '$name' contains illegal characters\n"; | |
219 | } | |
220 | ||
221 | return $name; | |
222 | } | |
223 | ||
224 | sub type { | |
225 | return 'rbd'; | |
226 | } | |
227 | ||
228 | sub plugindata { | |
229 | return { | |
230 | content => [ {images => 1, rootdir => 1}, { images => 1 }], | |
231 | }; | |
232 | } | |
233 | ||
234 | sub properties { | |
235 | return { | |
236 | monhost => { | |
237 | description => "Monitors daemon ips.", | |
238 | type => 'string', | |
239 | }, | |
240 | pool => { | |
241 | description => "Pool.", | |
242 | type => 'string', | |
243 | }, | |
244 | username => { | |
245 | description => "RBD Id.", | |
246 | type => 'string', | |
247 | }, | |
248 | authsupported => { | |
249 | description => "Authsupported.", | |
250 | type => 'string', | |
251 | }, | |
252 | krbd => { | |
253 | description => "Access rbd through krbd kernel module.", | |
254 | type => 'boolean', | |
255 | }, | |
256 | }; | |
257 | } | |
258 | ||
259 | sub options { | |
260 | return { | |
261 | nodes => { optional => 1 }, | |
262 | disable => { optional => 1 }, | |
263 | monhost => { fixed => 1 }, | |
264 | pool => { optional => 1 }, | |
265 | username => { optional => 1 }, | |
266 | content => { optional => 1 }, | |
267 | krbd => { optional => 1 }, | |
268 | }; | |
269 | } | |
270 | ||
271 | # Storage implementation | |
272 | ||
273 | sub parse_volname { | |
274 | my ($class, $volname) = @_; | |
275 | ||
276 | if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) { | |
277 | return ('images', $4, $7, $2, $3, $5, 'raw'); | |
278 | } | |
279 | ||
280 | die "unable to parse rbd volume name '$volname'\n"; | |
281 | } | |
282 | ||
283 | sub path { | |
284 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; | |
285 | ||
286 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
287 | $name .= '@'.$snapname if $snapname; | |
288 | ||
289 | my $monhost = $scfg->{monhost}; | |
290 | $monhost =~ s/:/\\:/g; | |
291 | ||
292 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
293 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
294 | ||
295 | my $path = "rbd:$pool/$name:mon_host=$monhost"; | |
296 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; | |
297 | ||
298 | if(-e $keyring ){ | |
299 | $path .= ":id=$username:auth_supported=cephx:keyring=$keyring"; | |
300 | }else{ | |
301 | $path .= ":auth_supported=none"; | |
302 | } | |
303 | ||
304 | $path = "/dev/rbd/$pool/$name" if $scfg->{krbd}; | |
305 | ||
306 | return ($path, $vmid, $vtype); | |
307 | } | |
308 | ||
309 | my $find_free_diskname = sub { | |
310 | my ($storeid, $scfg, $vmid) = @_; | |
311 | ||
312 | my $rbd = rbd_ls($scfg, $storeid); | |
313 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
314 | my $disk_ids = {}; | |
315 | my $dat = $rbd->{$pool}; | |
316 | ||
317 | foreach my $image (keys %$dat) { | |
318 | my $volname = $dat->{$image}->{name}; | |
319 | if ($volname =~ m/(vm|base)-$vmid-disk-(\d+)/){ | |
320 | $disk_ids->{$2} = 1; | |
321 | } | |
322 | } | |
323 | #fix: can we search in $rbd hash key with a regex to find (vm|base) ? | |
324 | for (my $i = 1; $i < 100; $i++) { | |
325 | if (!$disk_ids->{$i}) { | |
326 | return "vm-$vmid-disk-$i"; | |
327 | } | |
328 | } | |
329 | ||
330 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
331 | }; | |
332 | ||
333 | sub create_base { | |
334 | my ($class, $storeid, $scfg, $volname) = @_; | |
335 | ||
336 | my $snap = '__base__'; | |
337 | ||
338 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
339 | $class->parse_volname($volname); | |
340 | ||
341 | die "create_base not possible with base image\n" if $isBase; | |
342 | ||
343 | my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name); | |
344 | die "rbd volume info on '$name' failed\n" if !($size); | |
345 | ||
346 | die "rbd image must be at format V2" if $format ne "2"; | |
347 | ||
348 | die "volname '$volname' contains wrong information about parent $parent $basename\n" | |
349 | if $basename && (!$parent || $parent ne $basename."@".$snap); | |
350 | ||
351 | my $newname = $name; | |
352 | $newname =~ s/^vm-/base-/; | |
353 | ||
354 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
355 | ||
356 | my $cmd = &$rbd_cmd($scfg, $storeid, 'rename', &$add_pool_to_disk($scfg, $name), &$add_pool_to_disk($scfg, $newname)); | |
357 | run_rbd_command($cmd, errmsg => "rbd rename '$name' error"); | |
358 | ||
359 | my $running = undef; #fixme : is create_base always offline ? | |
360 | ||
361 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
362 | ||
363 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap); | |
364 | ||
365 | if (!$protected){ | |
366 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap); | |
367 | run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error"); | |
368 | } | |
369 | ||
370 | return $newvolname; | |
371 | ||
372 | } | |
373 | ||
374 | sub clone_image { | |
375 | my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_; | |
376 | ||
377 | my $snap = '__base__'; | |
378 | $snap = $snapname if length $snapname; | |
379 | ||
380 | my ($vtype, $basename, $basevmid, undef, undef, $isBase) = | |
381 | $class->parse_volname($volname); | |
382 | ||
383 | die "$volname is not a base image and snapname is not provided\n" | |
384 | if !$isBase && !length($snapname); | |
385 | ||
386 | my $name = &$find_free_diskname($storeid, $scfg, $vmid); | |
387 | ||
388 | warn "clone $volname: $basename snapname $snap to $name\n"; | |
389 | ||
390 | if (length($snapname)) { | |
391 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname); | |
392 | ||
393 | if (!$protected) { | |
394 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname); | |
395 | run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error"); | |
396 | } | |
397 | } | |
398 | ||
399 | my $newvol = "$basename/$name"; | |
400 | $newvol = $name if length($snapname); | |
401 | ||
402 | my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename), | |
403 | '--snap', $snap, &$add_pool_to_disk($scfg, $name)); | |
404 | ||
405 | run_rbd_command($cmd, errmsg => "rbd clone '$basename' error"); | |
406 | ||
407 | return $newvol; | |
408 | } | |
409 | ||
410 | sub alloc_image { | |
411 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
412 | ||
413 | ||
414 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
415 | if $name && $name !~ m/^vm-$vmid-/; | |
416 | ||
417 | $name = &$find_free_diskname($storeid, $scfg, $vmid) if !$name; | |
418 | ||
419 | my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--image-format' , 2, '--size', int(($size+1023)/1024), $name); | |
420 | run_rbd_command($cmd, errmsg => "rbd create $name' error"); | |
421 | ||
422 | return $name; | |
423 | } | |
424 | ||
425 | sub free_image { | |
426 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
427 | ||
428 | my ($vtype, $name, $vmid, undef, undef, undef) = | |
429 | $class->parse_volname($volname); | |
430 | ||
431 | if ($isBase) { | |
432 | my $snap = '__base__'; | |
433 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); | |
434 | if ($protected){ | |
435 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); | |
436 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); | |
437 | } | |
438 | } | |
439 | ||
440 | $class->deactivate_volume($storeid, $scfg, $volname); | |
441 | ||
442 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name); | |
443 | run_rbd_command($cmd, errmsg => "rbd snap purge '$volname' error"); | |
444 | ||
445 | $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name); | |
446 | run_rbd_command($cmd, errmsg => "rbd rm '$volname' error"); | |
447 | ||
448 | return undef; | |
449 | } | |
450 | ||
451 | sub list_images { | |
452 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
453 | ||
454 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; | |
455 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
456 | ||
457 | my $res = []; | |
458 | ||
459 | if (my $dat = $cache->{rbd}->{$pool}) { | |
460 | foreach my $image (keys %$dat) { | |
461 | ||
462 | my $volname = $dat->{$image}->{name}; | |
463 | ||
464 | my $volid = "$storeid:$volname"; | |
465 | ||
466 | my $owner = $dat->{$volname}->{vmid}; | |
467 | if ($vollist) { | |
468 | my $found = grep { $_ eq $volid } @$vollist; | |
469 | next if !$found; | |
470 | } else { | |
471 | next if defined ($vmid) && ($owner ne $vmid); | |
472 | } | |
473 | ||
474 | my $info = $dat->{$volname}; | |
475 | $info->{volid} = $volid; | |
476 | $info->{format} = 'raw'; | |
477 | ||
478 | push @$res, $info; | |
479 | } | |
480 | } | |
481 | ||
482 | return $res; | |
483 | } | |
484 | ||
485 | sub status { | |
486 | my ($class, $storeid, $scfg, $cache) = @_; | |
487 | ||
488 | my $cmd = &$rados_cmd($scfg, $storeid, 'df'); | |
489 | ||
490 | my $stats = {}; | |
491 | ||
492 | my $parser = sub { | |
493 | my $line = shift; | |
494 | if ($line =~ m/^\s+total\s(\S+)\s+(\d+)/) { | |
495 | $stats->{$1} = $2; | |
496 | } | |
497 | }; | |
498 | ||
499 | eval { | |
500 | run_rbd_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser); | |
501 | }; | |
502 | ||
503 | my $total = $stats->{space} ? $stats->{space}*1024 : 0; | |
504 | my $free = $stats->{avail} ? $stats->{avail}*1024 : 0; | |
505 | my $used = $stats->{used} ? $stats->{used}*1024: 0; | |
506 | my $active = 1; | |
507 | ||
508 | return ($total, $free, $used, $active); | |
509 | } | |
510 | ||
511 | sub activate_storage { | |
512 | my ($class, $storeid, $scfg, $cache) = @_; | |
513 | return 1; | |
514 | } | |
515 | ||
516 | sub deactivate_storage { | |
517 | my ($class, $storeid, $scfg, $cache) = @_; | |
518 | return 1; | |
519 | } | |
520 | ||
521 | sub activate_volume { | |
522 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
523 | ||
524 | return 1 if !$scfg->{krbd}; | |
525 | ||
526 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
527 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
528 | ||
529 | my $path = "/dev/rbd/$pool/$name"; | |
530 | $path .= '@'.$snapname if $snapname; | |
531 | return if -b $path; | |
532 | ||
533 | $name .= '@'.$snapname if $snapname; | |
534 | my $cmd = &$rbd_cmd($scfg, $storeid, 'map', $name); | |
535 | run_rbd_command($cmd, errmsg => "can't mount rbd volume $name"); | |
536 | ||
537 | return 1; | |
538 | } | |
539 | ||
540 | sub deactivate_volume { | |
541 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
542 | ||
543 | return 1 if !$scfg->{krbd}; | |
544 | ||
545 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
546 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
547 | ||
548 | my $path = "/dev/rbd/$pool/$name"; | |
549 | $path .= '@'.$snapname if $snapname; | |
550 | return if ! -b $path; | |
551 | ||
552 | my $cmd = &$rbd_cmd($scfg, $storeid, 'unmap', $path); | |
553 | run_rbd_command($cmd, errmsg => "can't unmap rbd volume $name"); | |
554 | ||
555 | return 1; | |
556 | } | |
557 | ||
558 | sub volume_size_info { | |
559 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
560 | ||
561 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
562 | my ($size, undef) = rbd_volume_info($scfg, $storeid, $name); | |
563 | return $size; | |
564 | } | |
565 | ||
566 | sub volume_resize { | |
567 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
568 | ||
569 | return 1 if $running; | |
570 | ||
571 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
572 | ||
573 | my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $name); | |
574 | run_rbd_command($cmd, errmsg => "rbd resize '$volname' error"); | |
575 | return undef; | |
576 | } | |
577 | ||
578 | sub volume_snapshot { | |
579 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
580 | ||
581 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
582 | ||
583 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name); | |
584 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
585 | return undef; | |
586 | } | |
587 | ||
588 | sub volume_snapshot_rollback { | |
589 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
590 | ||
591 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
592 | ||
593 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name); | |
594 | run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error"); | |
595 | } | |
596 | ||
597 | sub volume_snapshot_delete { | |
598 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
599 | ||
600 | return 1 if $running; | |
601 | ||
602 | $class->deactivate_volume($storeid, $scfg, $volname, $snap, {}); | |
603 | ||
604 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
605 | ||
606 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); | |
607 | if ($protected){ | |
608 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); | |
609 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); | |
610 | } | |
611 | ||
612 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name); | |
613 | ||
614 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
615 | ||
616 | return undef; | |
617 | } | |
618 | ||
619 | sub volume_has_feature { | |
620 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
621 | ||
622 | my $features = { | |
623 | snapshot => { current => 1, snap => 1}, | |
624 | clone => { base => 1, snap => 1}, | |
625 | template => { current => 1}, | |
626 | copy => { base => 1, current => 1, snap => 1}, | |
627 | sparseinit => { base => 1, current => 1}, | |
628 | }; | |
629 | ||
630 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
631 | $class->parse_volname($volname); | |
632 | ||
633 | my $key = undef; | |
634 | if($snapname){ | |
635 | $key = 'snap'; | |
636 | }else{ | |
637 | $key = $isBase ? 'base' : 'current'; | |
638 | } | |
639 | return 1 if $features->{$feature}->{$key}; | |
640 | ||
641 | return undef; | |
642 | } | |
643 | ||
644 | 1; |