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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; | |
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 | ||
249cb647 SP |
12 | sub rbd_unittobytes { |
13 | { | |
14 | "M" => 1024*1024, | |
15 | "G" => 1024*1024*1024, | |
16 | "T" => 1024*1024*1024*1024, | |
17 | } | |
18 | } | |
19 | ||
411476cd DM |
20 | my $rbd_cmd = sub { |
21 | my ($scfg, $storeid, $op, @options) = @_; | |
0509010d | 22 | |
e5427b00 | 23 | my $monhost = $scfg->{monhost}; |
0509010d AD |
24 | $monhost =~ s/;/,/g; |
25 | ||
1440604a AD |
26 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; |
27 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
28 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
29 | ||
30 | my $cmd = ['/usr/bin/rbd', '-p', $pool, '-m', $monhost]; | |
31 | ||
32 | if(-e $keyring){ | |
33 | push @$cmd, '-n', "client.$username"; | |
34 | push @$cmd, '--keyring', $keyring; | |
35 | push @$cmd, '--auth_supported', 'cephx'; | |
36 | }else{ | |
37 | push @$cmd, '--auth_supported', 'none'; | |
38 | } | |
39 | ||
40 | push @$cmd, $op; | |
3e195ccc | 41 | |
411476cd | 42 | push @$cmd, @options if scalar(@options); |
3e195ccc | 43 | |
411476cd DM |
44 | return $cmd; |
45 | }; | |
0509010d | 46 | |
69589444 AD |
47 | my $rados_cmd = sub { |
48 | my ($scfg, $storeid, $op, @options) = @_; | |
49 | ||
50 | my $monhost = $scfg->{monhost}; | |
51 | $monhost =~ s/;/,/g; | |
52 | ||
1440604a AD |
53 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; |
54 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
55 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
56 | ||
57 | my $cmd = ['/usr/bin/rados', '-p', $pool, '-m', $monhost]; | |
58 | ||
59 | if(-e $keyring){ | |
60 | push @$cmd, '-n', "client.$username"; | |
61 | push @$cmd, '--keyring', $keyring; | |
62 | push @$cmd, '--auth_supported', 'cephx'; | |
63 | }else{ | |
64 | push @$cmd, '--auth_supported', 'none'; | |
65 | } | |
66 | ||
67 | push @$cmd, $op; | |
69589444 AD |
68 | |
69 | push @$cmd, @options if scalar(@options); | |
70 | ||
71 | return $cmd; | |
72 | }; | |
73 | ||
411476cd DM |
74 | sub rbd_ls { |
75 | my ($scfg, $storeid) = @_; | |
d70e7f6c | 76 | |
7cb2889a | 77 | my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l'); |
1440604a | 78 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
d70e7f6c | 79 | |
411476cd | 80 | my $list = {}; |
0509010d | 81 | |
8c3abf12 | 82 | my $parser = sub { |
411476cd | 83 | my $line = shift; |
0509010d | 84 | |
ca1e168a AD |
85 | if ($line =~ m/^((vm|base)-(\d+)-disk-\d+)\s+(\d+)(M|G|T)\s((\S+)\/((vm|base)-\d+-\S+@\S+))?/) { |
86 | my ($image, $owner, $size, $unit, $parent) = ($1, $3, $4, $5, $8); | |
0509010d | 87 | |
1440604a | 88 | $list->{$pool}->{$image} = { |
411476cd | 89 | name => $image, |
249cb647 | 90 | size => $size*rbd_unittobytes()->{$unit}, |
62b98a65 | 91 | parent => $parent, |
411476cd DM |
92 | vmid => $owner |
93 | }; | |
94 | } | |
8c3abf12 DM |
95 | }; |
96 | ||
97 | eval { | |
98 | run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
99 | }; | |
100 | my $err = $@; | |
101 | ||
102 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
411476cd DM |
103 | |
104 | return $list; | |
0509010d AD |
105 | } |
106 | ||
62b98a65 | 107 | sub rbd_volume_info { |
992e6835 AD |
108 | my ($scfg, $storeid, $volname, $snap) = @_; |
109 | ||
110 | my $cmd = undef; | |
111 | ||
112 | if($snap){ | |
113 | $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname, '--snap', $snap); | |
114 | }else{ | |
115 | $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname); | |
116 | } | |
e110213e | 117 | |
e110213e | 118 | my $size = undef; |
62b98a65 | 119 | my $parent = undef; |
992e6835 AD |
120 | my $format = undef; |
121 | my $protected = undef; | |
62b98a65 | 122 | |
e110213e AD |
123 | my $parser = sub { |
124 | my $line = shift; | |
125 | ||
249cb647 SP |
126 | if ($line =~ m/size (\d+) (M|G|T)B in (\d+) objects/) { |
127 | $size = $1 * rbd_unittobytes()->{$2} if ($1); | |
62b98a65 AD |
128 | } elsif ($line =~ m/parent:\s(\S+)\/(\S+)/) { |
129 | $parent = $2; | |
992e6835 AD |
130 | } elsif ($line =~ m/format:\s(\d+)/) { |
131 | $format = $1; | |
132 | } elsif ($line =~ m/protected:\s(\S+)/) { | |
133 | $protected = 1 if $1 eq "True"; | |
e110213e | 134 | } |
992e6835 | 135 | |
e110213e AD |
136 | }; |
137 | ||
138 | run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
139 | ||
992e6835 | 140 | return ($size, $parent, $format, $protected); |
e110213e AD |
141 | } |
142 | ||
0509010d AD |
143 | sub addslashes { |
144 | my $text = shift; | |
145 | $text =~ s/;/\\;/g; | |
146 | $text =~ s/:/\\:/g; | |
147 | return $text; | |
148 | } | |
149 | ||
e5427b00 | 150 | # Configuration |
0509010d | 151 | |
e5427b00 AD |
152 | PVE::JSONSchema::register_format('pve-storage-monhost', \&parse_monhost); |
153 | sub parse_monhost { | |
0509010d AD |
154 | my ($name, $noerr) = @_; |
155 | ||
156 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
157 | return undef if $noerr; | |
158 | die "lvm name '$name' contains illegal characters\n"; | |
159 | } | |
160 | ||
161 | return $name; | |
162 | } | |
163 | ||
0509010d AD |
164 | sub type { |
165 | return 'rbd'; | |
166 | } | |
167 | ||
168 | sub plugindata { | |
169 | return { | |
170 | content => [ {images => 1}, { images => 1 }], | |
171 | }; | |
172 | } | |
173 | ||
174 | sub properties { | |
175 | return { | |
e5427b00 | 176 | monhost => { |
0509010d | 177 | description => "Monitors daemon ips.", |
e5427b00 | 178 | type => 'string', |
0509010d | 179 | }, |
e5427b00 AD |
180 | pool => { |
181 | description => "Pool.", | |
0509010d AD |
182 | type => 'string', |
183 | }, | |
e5427b00 AD |
184 | username => { |
185 | description => "RBD Id.", | |
0509010d AD |
186 | type => 'string', |
187 | }, | |
e5427b00 | 188 | authsupported => { |
0509010d AD |
189 | description => "Authsupported.", |
190 | type => 'string', | |
191 | }, | |
192 | }; | |
193 | } | |
194 | ||
195 | sub options { | |
196 | return { | |
35d6dfaf AD |
197 | nodes => { optional => 1 }, |
198 | disable => { optional => 1 }, | |
e5427b00 | 199 | monhost => { fixed => 1 }, |
1440604a AD |
200 | pool => { optional => 1 }, |
201 | username => { optional => 1 }, | |
0509010d AD |
202 | content => { optional => 1 }, |
203 | }; | |
204 | } | |
205 | ||
206 | # Storage implementation | |
207 | ||
208 | sub parse_volname { | |
209 | my ($class, $volname) = @_; | |
210 | ||
d04c7e55 AD |
211 | if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) { |
212 | return ('images', $4, $7, $2, $3, $5); | |
0509010d AD |
213 | } |
214 | ||
215 | die "unable to parse rbd volume name '$volname'\n"; | |
216 | } | |
217 | ||
218 | sub path { | |
e5427b00 | 219 | my ($class, $scfg, $volname, $storeid) = @_; |
0509010d AD |
220 | |
221 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
222 | ||
e5427b00 | 223 | my $monhost = addslashes($scfg->{monhost}); |
1440604a AD |
224 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
225 | my $username = $scfg->{username} ? $scfg->{username} : 'admin'; | |
226 | ||
227 | my $path = "rbd:$pool/$name:mon_host=$monhost"; | |
228 | my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring"; | |
229 | ||
230 | if(-e $keyring ){ | |
231 | $path .= ":id=$username:auth_supported=cephx:keyring=$keyring"; | |
232 | }else{ | |
233 | $path .= ":auth_supported=none"; | |
234 | } | |
0509010d AD |
235 | |
236 | return ($path, $vmid, $vtype); | |
237 | } | |
238 | ||
5b9b9b14 AD |
239 | my $find_free_diskname = sub { |
240 | my ($storeid, $scfg, $vmid) = @_; | |
241 | ||
242 | my $rbd = rbd_ls($scfg, $storeid); | |
1440604a | 243 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
5b9b9b14 | 244 | my $disk_ids = {}; |
1440604a | 245 | my $dat = $rbd->{$pool}; |
5b9b9b14 AD |
246 | |
247 | foreach my $image (keys %$dat) { | |
248 | my $volname = $dat->{$image}->{name}; | |
249 | if ($volname =~ m/(vm|base)-$vmid-disk-(\d+)/){ | |
250 | $disk_ids->{$2} = 1; | |
251 | } | |
252 | } | |
253 | #fix: can we search in $rbd hash key with a regex to find (vm|base) ? | |
254 | for (my $i = 1; $i < 100; $i++) { | |
255 | if (!$disk_ids->{$i}) { | |
256 | return "vm-$vmid-disk-$i"; | |
257 | } | |
258 | } | |
259 | ||
260 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
261 | }; | |
262 | ||
5eab0272 DM |
263 | sub create_base { |
264 | my ($class, $storeid, $scfg, $volname) = @_; | |
265 | ||
992e6835 AD |
266 | my $snap = '__base__'; |
267 | ||
268 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
269 | $class->parse_volname($volname); | |
270 | ||
271 | die "create_base not possible with base image\n" if $isBase; | |
272 | ||
273 | my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name); | |
274 | die "rbd volume info on '$name' failed\n" if !($size); | |
275 | ||
276 | die "rbd image must be at format V2" if $format ne "2"; | |
277 | ||
278 | die "volname '$volname' contains wrong information about parent $parent $basename\n" | |
279 | if $basename && (!$parent || $parent ne $basename."@".$snap); | |
280 | ||
281 | my $newname = $name; | |
282 | $newname =~ s/^vm-/base-/; | |
283 | ||
284 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
285 | ||
286 | my $cmd = &$rbd_cmd($scfg, $storeid, 'rename', $name, $newname); | |
287 | run_command($cmd, errmsg => "rbd rename $name' error", errfunc => sub {}); | |
288 | ||
289 | my $running = undef; #fixme : is create_base always offline ? | |
290 | ||
291 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
292 | ||
293 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap); | |
294 | ||
295 | if (!$protected){ | |
296 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap); | |
297 | run_command($cmd, errmsg => "rbd protect $newname snap $snap' error", errfunc => sub {}); | |
298 | } | |
299 | ||
300 | return $newvolname; | |
301 | ||
5eab0272 DM |
302 | } |
303 | ||
304 | sub clone_image { | |
305 | my ($class, $scfg, $storeid, $volname, $vmid) = @_; | |
306 | ||
f2708285 AD |
307 | my $snap = '__base__'; |
308 | ||
309 | my ($vtype, $basename, $basevmid, undef, undef, $isBase) = | |
310 | $class->parse_volname($volname); | |
311 | ||
312 | die "clone_image onyl works on base images\n" if !$isBase; | |
313 | ||
314 | my $name = &$find_free_diskname($storeid, $scfg, $vmid); | |
315 | ||
316 | warn "clone $volname: $basename to $name\n"; | |
317 | ||
318 | my $newvol = "$basename/$name"; | |
319 | ||
320 | my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', $basename, '--snap', $snap, $name); | |
321 | run_command($cmd, errmsg => "rbd clone $basename' error", errfunc => sub {}); | |
322 | ||
323 | return $newvol; | |
5eab0272 DM |
324 | } |
325 | ||
0509010d AD |
326 | sub alloc_image { |
327 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
328 | ||
329 | ||
e5427b00 | 330 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" |
0509010d | 331 | if $name && $name !~ m/^vm-$vmid-/; |
0509010d | 332 | |
8b3ae518 | 333 | $name = &$find_free_diskname($storeid, $scfg, $vmid); |
0509010d | 334 | |
87cf5d40 | 335 | my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--format' , 2, '--size', int(($size+1023)/1024), $name); |
411476cd | 336 | run_command($cmd, errmsg => "rbd create $name' error", errfunc => sub {}); |
0509010d AD |
337 | |
338 | return $name; | |
339 | } | |
340 | ||
341 | sub free_image { | |
32437ed2 | 342 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; |
0509010d | 343 | |
42d07b9a AD |
344 | my ($vtype, $name, $vmid, undef, undef, undef) = |
345 | $class->parse_volname($volname); | |
346 | ||
347 | if ($isBase) { | |
348 | my $snap = '__base__'; | |
349 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); | |
350 | if ($protected){ | |
351 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); | |
352 | run_command($cmd, errmsg => "rbd unprotect $name snap $snap' error", errfunc => sub {}); | |
353 | } | |
354 | } | |
355 | ||
356 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name); | |
c30470a3 AD |
357 | run_command($cmd, errmsg => "rbd snap purge $volname' error", outfunc => sub {}, errfunc => sub {}); |
358 | ||
42d07b9a | 359 | $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name); |
411476cd | 360 | run_command($cmd, errmsg => "rbd rm $volname' error", outfunc => sub {}, errfunc => sub {}); |
0509010d AD |
361 | |
362 | return undef; | |
363 | } | |
364 | ||
365 | sub list_images { | |
366 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
367 | ||
e5427b00 | 368 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; |
1440604a | 369 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
411476cd | 370 | |
0509010d AD |
371 | my $res = []; |
372 | ||
1440604a | 373 | if (my $dat = $cache->{rbd}->{$pool}) { |
0509010d AD |
374 | foreach my $image (keys %$dat) { |
375 | ||
376 | my $volname = $dat->{$image}->{name}; | |
377 | ||
378 | my $volid = "$storeid:$volname"; | |
379 | ||
0509010d AD |
380 | my $owner = $dat->{$volname}->{vmid}; |
381 | if ($vollist) { | |
382 | my $found = grep { $_ eq $volid } @$vollist; | |
383 | next if !$found; | |
384 | } else { | |
385 | next if defined ($vmid) && ($owner ne $vmid); | |
386 | } | |
387 | ||
388 | my $info = $dat->{$volname}; | |
389 | $info->{volid} = $volid; | |
411476cd | 390 | $info->{format} = 'raw'; |
0509010d AD |
391 | |
392 | push @$res, $info; | |
393 | } | |
394 | } | |
395 | ||
411476cd | 396 | return $res; |
0509010d AD |
397 | } |
398 | ||
0509010d AD |
399 | sub status { |
400 | my ($class, $storeid, $scfg, $cache) = @_; | |
401 | ||
69589444 AD |
402 | my $cmd = &$rados_cmd($scfg, $storeid, 'df'); |
403 | ||
404 | my $stats = {}; | |
405 | ||
406 | my $parser = sub { | |
407 | my $line = shift; | |
408 | if ($line =~ m/^\s+total\s(\S+)\s+(\d+)/) { | |
409 | $stats->{$1} = $2; | |
410 | } | |
411 | }; | |
412 | ||
413 | eval { | |
414 | run_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser); | |
415 | }; | |
416 | ||
417 | my $total = $stats->{space} ? $stats->{space}*1024 : 0; | |
418 | my $free = $stats->{avail} ? $stats->{avail}*1024 : 0; | |
419 | my $used = $stats->{used} ? $stats->{used}*1024: 0; | |
0509010d | 420 | my $active = 1; |
0509010d | 421 | |
411476cd | 422 | return ($total, $free, $used, $active); |
0509010d AD |
423 | } |
424 | ||
425 | sub activate_storage { | |
426 | my ($class, $storeid, $scfg, $cache) = @_; | |
427 | return 1; | |
428 | } | |
429 | ||
430 | sub deactivate_storage { | |
431 | my ($class, $storeid, $scfg, $cache) = @_; | |
432 | return 1; | |
433 | } | |
434 | ||
435 | sub activate_volume { | |
436 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
437 | return 1; | |
438 | } | |
439 | ||
440 | sub deactivate_volume { | |
441 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
442 | return 1; | |
443 | } | |
444 | ||
0002d9cc AD |
445 | sub volume_size_info { |
446 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
447 | ||
81d1d017 AD |
448 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
449 | my ($size, undef) = rbd_volume_info($scfg, $storeid, $name); | |
62b98a65 | 450 | return $size; |
0002d9cc AD |
451 | } |
452 | ||
e7a42a76 AD |
453 | sub volume_resize { |
454 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
455 | ||
456 | return 1 if $running; | |
457 | ||
478fc06c AD |
458 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
459 | ||
460 | my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $name); | |
e7a42a76 AD |
461 | run_command($cmd, errmsg => "rbd resize $volname' error", errfunc => sub {}); |
462 | return undef; | |
463 | } | |
464 | ||
788dd8e1 AD |
465 | sub volume_snapshot { |
466 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
467 | ||
468 | return 1 if $running; | |
469 | ||
9af33ed0 AD |
470 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
471 | ||
472 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name); | |
788dd8e1 AD |
473 | run_command($cmd, errmsg => "rbd snapshot $volname' error", errfunc => sub {}); |
474 | return undef; | |
475 | } | |
476 | ||
5a2b2e2f AD |
477 | sub volume_snapshot_rollback { |
478 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
479 | ||
c6ce2cc8 AD |
480 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
481 | ||
482 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name); | |
5a2b2e2f AD |
483 | run_command($cmd, errmsg => "rbd snapshot $volname to $snap' error", errfunc => sub {}); |
484 | } | |
485 | ||
cce29bcd AD |
486 | sub volume_snapshot_delete { |
487 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
488 | ||
489 | return 1 if $running; | |
490 | ||
c78cb110 AD |
491 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
492 | ||
493 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name); | |
cce29bcd AD |
494 | run_command($cmd, errmsg => "rbd snapshot $volname' error", errfunc => sub {}); |
495 | return undef; | |
496 | } | |
497 | ||
774f21b9 AD |
498 | sub volume_has_feature { |
499 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
500 | ||
501 | my $features = { | |
5649ccfe AD |
502 | snapshot => { current => 1, snap => 1}, |
503 | clone => { base => 1}, | |
504 | template => { current => 1}, | |
505 | copy => { base => 1, current => 1, snap => 1}, | |
774f21b9 AD |
506 | }; |
507 | ||
1e7ae581 AD |
508 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = |
509 | $class->parse_volname($volname); | |
510 | ||
511 | my $key = undef; | |
512 | if($snapname){ | |
2c5a7097 | 513 | $key = 'snap'; |
1e7ae581 AD |
514 | }else{ |
515 | $key = $isBase ? 'base' : 'current'; | |
516 | } | |
517 | return 1 if $features->{$feature}->{$key}; | |
774f21b9 AD |
518 | |
519 | return undef; | |
520 | } | |
521 | ||
0509010d | 522 | 1; |