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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; | |
0509010d | 11 | use PVE::JSONSchema qw(get_standard_option); |
0ef8fb9d | 12 | use PVE::ProcFSTools; |
41aacc6c | 13 | use PVE::RADOS; |
5102900d TL |
14 | use PVE::Storage::Plugin; |
15 | use PVE::Tools qw(run_command trim); | |
0509010d AD |
16 | |
17 | use base qw(PVE::Storage::Plugin); | |
18 | ||
89a8800b DC |
19 | my $get_parent_image_name = sub { |
20 | my ($parent) = @_; | |
21 | return undef if !$parent; | |
22 | return $parent->{image} . "@" . $parent->{snapshot}; | |
23 | }; | |
24 | ||
4cf696f6 | 25 | my sub get_rbd_path { |
aeb007cb | 26 | my ($scfg, $volume) = @_; |
c27fe648 TL |
27 | my $path = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
28 | $path .= "/$scfg->{namespace}" if defined($scfg->{namespace}); | |
29 | $path .= "/$volume" if defined($volume); | |
30 | return $path; | |
8897f5dc SP |
31 | }; |
32 | ||
6cc88e8e AA |
33 | my $build_cmd = sub { |
34 | my ($binary, $scfg, $storeid, $op, @options) = @_; | |
35 | ||
4050fcc1 | 36 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
6cc88e8e AA |
37 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
38 | ||
39 | my $cmd = [$binary, '-p', $pool]; | |
40 | ||
92a7826f TL |
41 | if (defined(my $namespace = $scfg->{namespace})) { |
42 | # some subcommands will fail if the --namespace parameter is present | |
43 | my $no_namespace_parameter = { | |
44 | unmap => 1, | |
45 | }; | |
46 | push @$cmd, '--namespace', "$namespace" if !$no_namespace_parameter->{$op}; | |
47 | } | |
6cc88e8e AA |
48 | push @$cmd, '-c', $cmd_option->{ceph_conf} if ($cmd_option->{ceph_conf}); |
49 | push @$cmd, '-m', $cmd_option->{mon_host} if ($cmd_option->{mon_host}); | |
50 | push @$cmd, '--auth_supported', $cmd_option->{auth_supported} if ($cmd_option->{auth_supported}); | |
51 | push @$cmd, '-n', "client.$cmd_option->{userid}" if ($cmd_option->{userid}); | |
52 | push @$cmd, '--keyring', $cmd_option->{keyring} if ($cmd_option->{keyring}); | |
53 | ||
54 | push @$cmd, $op; | |
55 | ||
56 | push @$cmd, @options if scalar(@options); | |
57 | ||
58 | return $cmd; | |
59 | }; | |
60 | ||
61 | my $rbd_cmd = sub { | |
62 | my ($scfg, $storeid, $op, @options) = @_; | |
63 | ||
64 | return $build_cmd->('/usr/bin/rbd', $scfg, $storeid, $op, @options); | |
65 | }; | |
66 | ||
67 | my $rados_cmd = sub { | |
68 | my ($scfg, $storeid, $op, @options) = @_; | |
69 | ||
70 | return $build_cmd->('/usr/bin/rados', $scfg, $storeid, $op, @options); | |
71 | }; | |
72 | ||
41aacc6c AA |
73 | my $librados_connect = sub { |
74 | my ($scfg, $storeid, $options) = @_; | |
75 | ||
4050fcc1 | 76 | my $librados_config = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
41aacc6c AA |
77 | |
78 | my $rados = PVE::RADOS->new(%$librados_config); | |
79 | ||
80 | return $rados; | |
81 | }; | |
82 | ||
d86fd0a4 | 83 | # needed for volumes created using ceph jewel (or higher) |
0ef8fb9d | 84 | my $krbd_feature_update = sub { |
d86fd0a4 FG |
85 | my ($scfg, $storeid, $name) = @_; |
86 | ||
0ef8fb9d TL |
87 | my (@disable, @enable); |
88 | my ($kmajor, $kminor) = PVE::ProcFSTools::kernel_version(); | |
4c3b3085 | 89 | |
0ef8fb9d TL |
90 | if ($kmajor > 5 || $kmajor == 5 && $kminor >= 3) { |
91 | # 'deep-flatten' can only be disabled, not enabled after image creation | |
92 | push @enable, 'fast-diff', 'object-map'; | |
93 | } else { | |
94 | push @disable, 'fast-diff', 'object-map', 'deep-flatten'; | |
95 | } | |
96 | ||
97 | if ($kmajor >= 5) { | |
98 | push @enable, 'exclusive-lock'; | |
99 | } else { | |
100 | push @disable, 'exclusive-lock'; | |
101 | } | |
4c3b3085 | 102 | |
0ef8fb9d TL |
103 | my $active_features_list = (rbd_volume_info($scfg, $storeid, $name))[4]; |
104 | my $active_features = { map { $_ => 1 } @$active_features_list }; | |
105 | ||
106 | my $to_disable = join(',', grep { $active_features->{$_} } @disable); | |
107 | my $to_enable = join(',', grep { !$active_features->{$_} } @enable ); | |
108 | ||
109 | if ($to_disable) { | |
110 | print "disable RBD image features this kernel RBD drivers is not compatible with: $to_disable\n"; | |
111 | my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'disable', $name, $to_disable); | |
112 | run_rbd_command( | |
113 | $cmd, | |
114 | errmsg => "could not disable krbd-incompatible image features '$to_disable' for rbd image: $name", | |
115 | ); | |
116 | } | |
117 | if ($to_enable) { | |
118 | print "enable RBD image features this kernel RBD drivers supports: $to_enable\n"; | |
119 | eval { | |
120 | my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'enable', $name, $to_enable); | |
121 | run_rbd_command( | |
122 | $cmd, | |
123 | errmsg => "could not enable krbd-compatible image features '$to_enable' for rbd image: $name", | |
124 | ); | |
125 | }; | |
126 | warn "$@" if $@; | |
4c3b3085 | 127 | } |
d86fd0a4 FG |
128 | }; |
129 | ||
c693f749 SP |
130 | sub run_rbd_command { |
131 | my ($cmd, %args) = @_; | |
132 | ||
133 | my $lasterr; | |
134 | my $errmsg = $args{errmsg} . ": " || ""; | |
c97c5b3b | 135 | if (!exists($args{errfunc})) { |
c693f749 SP |
136 | # ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect; |
137 | # at least 1 child(ren) in pool cephstor1 | |
138 | $args{errfunc} = sub { | |
c97c5b3b DM |
139 | my $line = shift; |
140 | if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) { | |
141 | $lasterr = "$1\n"; | |
142 | } else { | |
143 | $lasterr = $line; | |
144 | } | |
145 | print STDERR $lasterr; | |
146 | *STDERR->flush(); | |
147 | }; | |
148 | } | |
6d0d0a97 | 149 | |
c97c5b3b DM |
150 | eval { run_command($cmd, %args); }; |
151 | if (my $err = $@) { | |
152 | die $errmsg . $lasterr if length($lasterr); | |
153 | die $err; | |
c693f749 SP |
154 | } |
155 | ||
c97c5b3b | 156 | return undef; |
c693f749 SP |
157 | } |
158 | ||
411476cd DM |
159 | sub rbd_ls { |
160 | my ($scfg, $storeid) = @_; | |
d70e7f6c | 161 | |
1440604a | 162 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; |
e9bc9931 | 163 | $pool .= "/$scfg->{namespace}" if defined($scfg->{namespace}); |
d70e7f6c | 164 | |
89a8800b | 165 | my $raw = ''; |
1be93fe2 | 166 | my $parser = sub { $raw .= shift }; |
8c3abf12 | 167 | |
72bbd8a6 | 168 | my $cmd = $rbd_cmd->($scfg, $storeid, 'ls', '-l', '--format', 'json'); |
8c3abf12 | 169 | eval { |
c693f749 | 170 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); |
8c3abf12 DM |
171 | }; |
172 | my $err = $@; | |
173 | ||
174 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
89a8800b | 175 | |
00571710 DM |
176 | my $result; |
177 | if ($raw eq '') { | |
178 | $result = []; | |
179 | } elsif ($raw =~ m/^(\[.*\])$/s) { # untaint | |
180 | $result = JSON::decode_json($1); | |
181 | } else { | |
182 | die "got unexpected data from rbd ls: '$raw'\n"; | |
183 | } | |
89a8800b DC |
184 | |
185 | my $list = {}; | |
186 | ||
187 | foreach my $el (@$result) { | |
188 | next if defined($el->{snapshot}); | |
189 | ||
190 | my $image = $el->{image}; | |
191 | ||
192 | my ($owner) = $image =~ m/^(?:vm|base)-(\d+)-/; | |
aa14def4 | 193 | next if !defined($owner); |
89a8800b DC |
194 | |
195 | $list->{$pool}->{$image} = { | |
196 | name => $image, | |
197 | size => $el->{size}, | |
198 | parent => $get_parent_image_name->($el->{parent}), | |
199 | vmid => $owner | |
200 | }; | |
201 | } | |
202 | ||
411476cd | 203 | return $list; |
0509010d AD |
204 | } |
205 | ||
a573f66a FG |
206 | sub rbd_ls_snap { |
207 | my ($scfg, $storeid, $name) = @_; | |
208 | ||
72bbd8a6 | 209 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'ls', $name, '--format', 'json'); |
a573f66a FG |
210 | |
211 | my $raw = ''; | |
212 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => sub { $raw .= shift; }); | |
213 | ||
214 | my $list; | |
215 | if ($raw =~ m/^(\[.*\])$/s) { # untaint | |
216 | $list = eval { JSON::decode_json($1) }; | |
217 | die "invalid JSON output from 'rbd snap ls $name': $@\n" if $@; | |
218 | } else { | |
219 | die "got unexpected data from 'rbd snap ls $name': '$raw'\n"; | |
220 | } | |
221 | ||
222 | $list = [] if !defined($list); | |
223 | ||
224 | my $res = {}; | |
225 | foreach my $el (@$list) { | |
226 | my $snap = $el->{name}; | |
227 | my $protected = defined($el->{protected}) && $el->{protected} eq "true" ? 1 : undef; | |
228 | $res->{$snap} = { | |
229 | name => $snap, | |
230 | id => $el->{id} // undef, | |
231 | size => $el->{size} // 0, | |
232 | protected => $protected, | |
233 | }; | |
234 | } | |
235 | return $res; | |
236 | } | |
237 | ||
62b98a65 | 238 | sub rbd_volume_info { |
992e6835 AD |
239 | my ($scfg, $storeid, $volname, $snap) = @_; |
240 | ||
241 | my $cmd = undef; | |
242 | ||
89a8800b | 243 | my @options = ('info', $volname, '--format', 'json'); |
1be93fe2 | 244 | if ($snap) { |
89a8800b | 245 | push @options, '--snap', $snap; |
992e6835 | 246 | } |
e110213e | 247 | |
72bbd8a6 | 248 | $cmd = $rbd_cmd->($scfg, $storeid, @options); |
89a8800b | 249 | |
89a8800b | 250 | my $raw = ''; |
1be93fe2 | 251 | my $parser = sub { $raw .= shift }; |
e110213e | 252 | |
c693f749 | 253 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); |
1be93fe2 | 254 | |
00571710 DM |
255 | my $volume; |
256 | if ($raw eq '') { | |
257 | $volume = {}; | |
258 | } elsif ($raw =~ m/^(\{.*\})$/s) { # untaint | |
259 | $volume = JSON::decode_json($1); | |
260 | } else { | |
261 | die "got unexpected data from rbd info: '$raw'\n"; | |
262 | } | |
1be93fe2 | 263 | |
89a8800b | 264 | $volume->{parent} = $get_parent_image_name->($volume->{parent}); |
1be93fe2 | 265 | $volume->{protected} = defined($volume->{protected}) && $volume->{protected} eq "true" ? 1 : undef; |
e110213e | 266 | |
89a8800b | 267 | return $volume->@{qw(size parent format protected features)}; |
e110213e AD |
268 | } |
269 | ||
e5427b00 | 270 | # Configuration |
0509010d | 271 | |
0509010d AD |
272 | sub type { |
273 | return 'rbd'; | |
274 | } | |
275 | ||
276 | sub plugindata { | |
277 | return { | |
1f79bb07 | 278 | content => [ {images => 1, rootdir => 1}, { images => 1 }], |
0509010d AD |
279 | }; |
280 | } | |
281 | ||
282 | sub properties { | |
283 | return { | |
e5427b00 | 284 | monhost => { |
0b9ef02e | 285 | description => "IP addresses of monitors (for external clusters).", |
e858048f | 286 | type => 'string', format => 'pve-storage-portal-dns-list', |
0509010d | 287 | }, |
e5427b00 AD |
288 | pool => { |
289 | description => "Pool.", | |
0509010d AD |
290 | type => 'string', |
291 | }, | |
ef2afce7 AL |
292 | 'data-pool' => { |
293 | description => "Data Pool (for erasure coding only)", | |
294 | type => 'string', | |
295 | }, | |
6d0d0a97 | 296 | namespace => { |
e9bc9931 AL |
297 | description => "RBD Namespace.", |
298 | type => 'string', | |
299 | }, | |
e5427b00 AD |
300 | username => { |
301 | description => "RBD Id.", | |
0509010d AD |
302 | type => 'string', |
303 | }, | |
e5427b00 | 304 | authsupported => { |
0509010d AD |
305 | description => "Authsupported.", |
306 | type => 'string', | |
307 | }, | |
9f20a8a6 | 308 | krbd => { |
40d69893 | 309 | description => "Always access rbd through krbd kernel module.", |
9f20a8a6 AD |
310 | type => 'boolean', |
311 | }, | |
22b68016 AL |
312 | keyring => { |
313 | description => "Client keyring contents (for external clusters).", | |
314 | type => 'string', | |
315 | }, | |
0509010d AD |
316 | }; |
317 | } | |
318 | ||
319 | sub options { | |
320 | return { | |
35d6dfaf AD |
321 | nodes => { optional => 1 }, |
322 | disable => { optional => 1 }, | |
0b9ef02e | 323 | monhost => { optional => 1}, |
1440604a | 324 | pool => { optional => 1 }, |
ef2afce7 | 325 | 'data-pool' => { optional => 1 }, |
e9bc9931 | 326 | namespace => { optional => 1 }, |
1440604a | 327 | username => { optional => 1 }, |
0509010d | 328 | content => { optional => 1 }, |
9f20a8a6 | 329 | krbd => { optional => 1 }, |
22b68016 | 330 | keyring => { optional => 1 }, |
9edb99a5 | 331 | bwlimit => { optional => 1 }, |
0509010d AD |
332 | }; |
333 | } | |
334 | ||
335 | # Storage implementation | |
336 | ||
2e109b4b TL |
337 | sub on_add_hook { |
338 | my ($class, $storeid, $scfg, %param) = @_; | |
339 | ||
22b68016 AL |
340 | my $secret = $param{keyring} if defined $param{keyring} // undef; |
341 | PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid, $secret); | |
342 | ||
343 | return; | |
344 | } | |
2e109b4b | 345 | |
22b68016 AL |
346 | sub on_update_hook { |
347 | my ($class, $storeid, $scfg, %param) = @_; | |
348 | ||
349 | if (exists($param{keyring})) { | |
350 | if (defined($param{keyring})) { | |
351 | PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid, $param{keyring}); | |
352 | } else { | |
353 | PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid); | |
354 | } | |
355 | } | |
f3ccd0ef FE |
356 | |
357 | return; | |
2e109b4b TL |
358 | } |
359 | ||
360 | sub on_delete_hook { | |
361 | my ($class, $storeid, $scfg) = @_; | |
4050fcc1 | 362 | PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid); |
f3ccd0ef | 363 | return; |
2e109b4b TL |
364 | } |
365 | ||
0509010d AD |
366 | sub parse_volname { |
367 | my ($class, $volname) = @_; | |
368 | ||
d04c7e55 | 369 | if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) { |
7800e84d | 370 | return ('images', $4, $7, $2, $3, $5, 'raw'); |
0509010d AD |
371 | } |
372 | ||
373 | die "unable to parse rbd volume name '$volname'\n"; | |
374 | } | |
375 | ||
376 | sub path { | |
38e6ec3f | 377 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
0509010d | 378 | |
4050fcc1 | 379 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
0509010d | 380 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
38e6ec3f | 381 | $name .= '@'.$snapname if $snapname; |
0509010d | 382 | |
4cf696f6 | 383 | my $rbd_path = get_rbd_path($scfg, $name); |
aeb007cb | 384 | return ("/dev/rbd/${rbd_path}", $vmid, $vtype) if $scfg->{krbd}; |
33cef4c8 | 385 | |
aeb007cb | 386 | my $path = "rbd:${rbd_path}"; |
6eebc4a7 | 387 | |
5fc02afb FG |
388 | $path .= ":conf=$cmd_option->{ceph_conf}" if $cmd_option->{ceph_conf}; |
389 | if (defined($scfg->{monhost})) { | |
4050fcc1 | 390 | my $monhost = PVE::CephConfig::hostlist($scfg->{monhost}, ';'); |
6eebc4a7 FG |
391 | $monhost =~ s/:/\\:/g; |
392 | $path .= ":mon_host=$monhost"; | |
6cc88e8e | 393 | $path .= ":auth_supported=$cmd_option->{auth_supported}"; |
6eebc4a7 FG |
394 | } |
395 | ||
6cc88e8e | 396 | $path .= ":id=$cmd_option->{userid}:keyring=$cmd_option->{keyring}" if ($cmd_option->{keyring}); |
13417225 | 397 | |
0509010d AD |
398 | return ($path, $vmid, $vtype); |
399 | } | |
400 | ||
a44c0147 FE |
401 | sub find_free_diskname { |
402 | my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_; | |
5b9b9b14 | 403 | |
72bbd8a6 | 404 | my $cmd = $rbd_cmd->($scfg, $storeid, 'ls'); |
e9bc9931 | 405 | |
c4a29df4 | 406 | my $disk_list = []; |
5b9b9b14 | 407 | |
53a236f2 FG |
408 | my $parser = sub { |
409 | my $line = shift; | |
dd9e97ed | 410 | if ($line =~ m/^(.*)$/) { # untaint |
00571710 DM |
411 | push @$disk_list, $1; |
412 | } | |
53a236f2 FG |
413 | }; |
414 | ||
415 | eval { | |
416 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
417 | }; | |
418 | my $err = $@; | |
419 | ||
420 | die $err if $err && $err !~ m/doesn't contain rbd images/; | |
421 | ||
c4a29df4 | 422 | return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg); |
a44c0147 | 423 | } |
5b9b9b14 | 424 | |
5eab0272 DM |
425 | sub create_base { |
426 | my ($class, $storeid, $scfg, $volname) = @_; | |
427 | ||
992e6835 AD |
428 | my $snap = '__base__'; |
429 | ||
430 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
431 | $class->parse_volname($volname); | |
432 | ||
433 | die "create_base not possible with base image\n" if $isBase; | |
434 | ||
435 | my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name); | |
436 | die "rbd volume info on '$name' failed\n" if !($size); | |
437 | ||
438 | die "rbd image must be at format V2" if $format ne "2"; | |
439 | ||
440 | die "volname '$volname' contains wrong information about parent $parent $basename\n" | |
441 | if $basename && (!$parent || $parent ne $basename."@".$snap); | |
442 | ||
443 | my $newname = $name; | |
444 | $newname =~ s/^vm-/base-/; | |
445 | ||
446 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
447 | ||
72bbd8a6 | 448 | my $cmd = $rbd_cmd->( |
aeb007cb AL |
449 | $scfg, |
450 | $storeid, | |
451 | 'rename', | |
4cf696f6 TL |
452 | get_rbd_path($scfg, $name), |
453 | get_rbd_path($scfg, $newname), | |
aeb007cb | 454 | ); |
c693f749 | 455 | run_rbd_command($cmd, errmsg => "rbd rename '$name' error"); |
992e6835 AD |
456 | |
457 | my $running = undef; #fixme : is create_base always offline ? | |
458 | ||
459 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
460 | ||
461 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap); | |
462 | ||
463 | if (!$protected){ | |
72bbd8a6 | 464 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap); |
2362bc87 | 465 | run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error"); |
992e6835 AD |
466 | } |
467 | ||
468 | return $newvolname; | |
469 | ||
5eab0272 DM |
470 | } |
471 | ||
472 | sub clone_image { | |
f236eaf8 | 473 | my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_; |
5eab0272 | 474 | |
f2708285 | 475 | my $snap = '__base__'; |
f236eaf8 | 476 | $snap = $snapname if length $snapname; |
f2708285 AD |
477 | |
478 | my ($vtype, $basename, $basevmid, undef, undef, $isBase) = | |
479 | $class->parse_volname($volname); | |
480 | ||
63da6d79 DM |
481 | die "$volname is not a base image and snapname is not provided\n" |
482 | if !$isBase && !length($snapname); | |
f2708285 | 483 | |
a44c0147 | 484 | my $name = $class->find_free_diskname($storeid, $scfg, $vmid); |
f2708285 | 485 | |
f236eaf8 SP |
486 | warn "clone $volname: $basename snapname $snap to $name\n"; |
487 | ||
63da6d79 | 488 | if (length($snapname)) { |
f236eaf8 SP |
489 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname); |
490 | ||
63da6d79 | 491 | if (!$protected) { |
72bbd8a6 | 492 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname); |
f236eaf8 SP |
493 | run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error"); |
494 | } | |
495 | } | |
f2708285 AD |
496 | |
497 | my $newvol = "$basename/$name"; | |
63da6d79 DM |
498 | $newvol = $name if length($snapname); |
499 | ||
c915afca TL |
500 | my @options = ( |
501 | get_rbd_path($scfg, $basename), | |
502 | '--snap', $snap, | |
503 | ); | |
ef2afce7 | 504 | push @options, ('--data-pool', $scfg->{'data-pool'}) if $scfg->{'data-pool'}; |
f2708285 | 505 | |
c915afca | 506 | my $cmd = $rbd_cmd->($scfg, $storeid, 'clone', @options, get_rbd_path($scfg, $name)); |
c693f749 | 507 | run_rbd_command($cmd, errmsg => "rbd clone '$basename' error"); |
f2708285 AD |
508 | |
509 | return $newvol; | |
5eab0272 DM |
510 | } |
511 | ||
0509010d AD |
512 | sub alloc_image { |
513 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
514 | ||
515 | ||
292a33fd | 516 | die "illegal name '$name' - should be 'vm-$vmid-*'\n" |
0509010d | 517 | if $name && $name !~ m/^vm-$vmid-/; |
0509010d | 518 | |
a44c0147 | 519 | $name = $class->find_free_diskname($storeid, $scfg, $vmid) if !$name; |
0509010d | 520 | |
c915afca TL |
521 | my @options = ( |
522 | '--image-format' , 2, | |
523 | '--size', int(($size + 1023) / 1024), | |
524 | ); | |
ef2afce7 | 525 | push @options, ('--data-pool', $scfg->{'data-pool'}) if $scfg->{'data-pool'}; |
c915afca TL |
526 | |
527 | my $cmd = $rbd_cmd->($scfg, $storeid, 'create', @options, $name); | |
3c931155 | 528 | run_rbd_command($cmd, errmsg => "rbd create '$name' error"); |
0509010d AD |
529 | |
530 | return $name; | |
531 | } | |
532 | ||
533 | sub free_image { | |
32437ed2 | 534 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; |
0509010d | 535 | |
42d07b9a AD |
536 | my ($vtype, $name, $vmid, undef, undef, undef) = |
537 | $class->parse_volname($volname); | |
538 | ||
e9bc9931 | 539 | |
a573f66a FG |
540 | my $snaps = rbd_ls_snap($scfg, $storeid, $name); |
541 | foreach my $snap (keys %$snaps) { | |
542 | if ($snaps->{$snap}->{protected}) { | |
72bbd8a6 | 543 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); |
2362bc87 | 544 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); |
42d07b9a AD |
545 | } |
546 | } | |
547 | ||
515ef80b WL |
548 | $class->deactivate_volume($storeid, $scfg, $volname); |
549 | ||
72bbd8a6 | 550 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'purge', $name); |
85043c01 | 551 | run_rbd_command($cmd, errmsg => "rbd snap purge '$name' error"); |
c30470a3 | 552 | |
72bbd8a6 | 553 | $cmd = $rbd_cmd->($scfg, $storeid, 'rm', $name); |
85043c01 | 554 | run_rbd_command($cmd, errmsg => "rbd rm '$name' error"); |
0509010d AD |
555 | |
556 | return undef; | |
557 | } | |
558 | ||
559 | sub list_images { | |
560 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
561 | ||
e5427b00 | 562 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; |
ed7ea5a3 | 563 | |
c27fe648 | 564 | my $dat = $cache->{rbd}->{get_rbd_path($scfg)}; |
ed7ea5a3 | 565 | return [] if !$dat; # nothing found |
cfd58f1f | 566 | |
ed7ea5a3 TL |
567 | my $res = []; |
568 | for my $image (sort keys %$dat) { | |
569 | my $info = $dat->{$image}; | |
570 | my ($volname, $parent, $owner) = $info->@{'name', 'parent', 'vmid'}; | |
571 | ||
572 | if ($parent && $parent =~ m/^(base-\d+-\S+)\@__base__$/) { | |
573 | $info->{volid} = "$storeid:$1/$volname"; | |
574 | } else { | |
575 | $info->{volid} = "$storeid:$volname"; | |
576 | } | |
0509010d | 577 | |
ed7ea5a3 TL |
578 | if ($vollist) { |
579 | my $found = grep { $_ eq $info->{volid} } @$vollist; | |
580 | next if !$found; | |
581 | } else { | |
582 | next if defined ($vmid) && ($owner ne $vmid); | |
583 | } | |
0509010d | 584 | |
ed7ea5a3 | 585 | $info->{format} = 'raw'; |
0509010d | 586 | |
ed7ea5a3 | 587 | push @$res, $info; |
0509010d | 588 | } |
ed7ea5a3 | 589 | |
411476cd | 590 | return $res; |
0509010d AD |
591 | } |
592 | ||
0509010d AD |
593 | sub status { |
594 | my ($class, $storeid, $scfg, $cache) = @_; | |
595 | ||
72bbd8a6 | 596 | my $rados = $librados_connect->($scfg, $storeid); |
41aacc6c | 597 | my $df = $rados->mon_command({ prefix => 'df', format => 'json' }); |
69589444 | 598 | |
41aacc6c | 599 | my ($d) = grep { $_->{name} eq $scfg->{pool} } @{$df->{pools}}; |
69589444 | 600 | |
41aacc6c AA |
601 | # max_avail -> max available space for data w/o replication in the pool |
602 | # bytes_used -> data w/o replication in the pool | |
603 | my $free = $d->{stats}->{max_avail}; | |
e79ab52c | 604 | my $used = $d->{stats}->{stored} // $d->{stats}->{bytes_used}; |
41aacc6c | 605 | my $total = $used + $free; |
0509010d | 606 | my $active = 1; |
0509010d | 607 | |
411476cd | 608 | return ($total, $free, $used, $active); |
0509010d AD |
609 | } |
610 | ||
611 | sub activate_storage { | |
612 | my ($class, $storeid, $scfg, $cache) = @_; | |
613 | return 1; | |
614 | } | |
615 | ||
616 | sub deactivate_storage { | |
617 | my ($class, $storeid, $scfg, $cache) = @_; | |
618 | return 1; | |
619 | } | |
620 | ||
22265bd9 | 621 | my sub get_kernel_device_path { |
aeb007cb | 622 | my ($scfg, $name) = @_; |
4cf696f6 | 623 | return "/dev/rbd/" . get_rbd_path($scfg, $name); |
40d69893 | 624 | }; |
9f20a8a6 | 625 | |
40d69893 DM |
626 | sub map_volume { |
627 | my ($class, $storeid, $scfg, $volname, $snapname) = @_; | |
9f20a8a6 | 628 | |
518f3908 FG |
629 | my ($vtype, $img_name, $vmid) = $class->parse_volname($volname); |
630 | ||
631 | my $name = $img_name; | |
40d69893 DM |
632 | $name .= '@'.$snapname if $snapname; |
633 | ||
22265bd9 | 634 | my $kerneldev = get_kernel_device_path($scfg, $name); |
40d69893 DM |
635 | |
636 | return $kerneldev if -b $kerneldev; # already mapped | |
637 | ||
518f3908 FG |
638 | # features can only be enabled/disabled for image, not for snapshot! |
639 | $krbd_feature_update->($scfg, $storeid, $img_name); | |
9f20a8a6 | 640 | |
72bbd8a6 | 641 | my $cmd = $rbd_cmd->($scfg, $storeid, 'map', $name); |
40d69893 DM |
642 | run_rbd_command($cmd, errmsg => "can't map rbd volume $name"); |
643 | ||
644 | return $kerneldev; | |
645 | } | |
646 | ||
647 | sub unmap_volume { | |
648 | my ($class, $storeid, $scfg, $volname, $snapname) = @_; | |
649 | ||
650 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
651 | $name .= '@'.$snapname if $snapname; | |
652 | ||
22265bd9 | 653 | my $kerneldev = get_kernel_device_path($scfg, $name); |
40d69893 DM |
654 | |
655 | if (-b $kerneldev) { | |
72bbd8a6 | 656 | my $cmd = $rbd_cmd->($scfg, $storeid, 'unmap', $kerneldev); |
40d69893 DM |
657 | run_rbd_command($cmd, errmsg => "can't unmap rbd device $kerneldev"); |
658 | } | |
9f20a8a6 | 659 | |
0509010d AD |
660 | return 1; |
661 | } | |
662 | ||
40d69893 | 663 | sub activate_volume { |
02e797b8 | 664 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
9f20a8a6 | 665 | |
40d69893 | 666 | $class->map_volume($storeid, $scfg, $volname, $snapname) if $scfg->{krbd}; |
9f20a8a6 | 667 | |
40d69893 DM |
668 | return 1; |
669 | } | |
9f20a8a6 | 670 | |
40d69893 DM |
671 | sub deactivate_volume { |
672 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
b50812f9 | 673 | |
40d69893 | 674 | $class->unmap_volume($storeid, $scfg, $volname, $snapname); |
9f20a8a6 | 675 | |
0509010d AD |
676 | return 1; |
677 | } | |
678 | ||
0002d9cc AD |
679 | sub volume_size_info { |
680 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
681 | ||
81d1d017 AD |
682 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
683 | my ($size, undef) = rbd_volume_info($scfg, $storeid, $name); | |
62b98a65 | 684 | return $size; |
0002d9cc AD |
685 | } |
686 | ||
e7a42a76 AD |
687 | sub volume_resize { |
688 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
689 | ||
40d69893 | 690 | return 1 if $running && !$scfg->{krbd}; # FIXME??? |
e7a42a76 | 691 | |
478fc06c AD |
692 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
693 | ||
72bbd8a6 | 694 | my $cmd = $rbd_cmd->($scfg, $storeid, 'resize', '--allow-shrink', '--size', ($size/1024/1024), $name); |
c693f749 | 695 | run_rbd_command($cmd, errmsg => "rbd resize '$volname' error"); |
e7a42a76 AD |
696 | return undef; |
697 | } | |
698 | ||
788dd8e1 | 699 | sub volume_snapshot { |
f5640e7d | 700 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
788dd8e1 | 701 | |
9af33ed0 AD |
702 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
703 | ||
72bbd8a6 | 704 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name); |
c693f749 | 705 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); |
788dd8e1 AD |
706 | return undef; |
707 | } | |
708 | ||
5a2b2e2f AD |
709 | sub volume_snapshot_rollback { |
710 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
711 | ||
c6ce2cc8 AD |
712 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
713 | ||
72bbd8a6 | 714 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name); |
2362bc87 | 715 | run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error"); |
5a2b2e2f AD |
716 | } |
717 | ||
cce29bcd AD |
718 | sub volume_snapshot_delete { |
719 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
720 | ||
40d69893 | 721 | return 1 if $running && !$scfg->{krbd}; # FIXME: ???? |
cce29bcd | 722 | |
399581a2 WB |
723 | $class->deactivate_volume($storeid, $scfg, $volname, $snap, {}); |
724 | ||
c78cb110 AD |
725 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); |
726 | ||
f90a0a20 SP |
727 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); |
728 | if ($protected){ | |
72bbd8a6 | 729 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); |
f90a0a20 SP |
730 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); |
731 | } | |
732 | ||
72bbd8a6 | 733 | my $cmd = $rbd_cmd->($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name); |
c693f749 SP |
734 | |
735 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
736 | ||
cce29bcd AD |
737 | return undef; |
738 | } | |
739 | ||
2c036838 | 740 | sub volume_snapshot_needs_fsfreeze { |
2c036838 SI |
741 | return 1; |
742 | } | |
743 | ||
774f21b9 AD |
744 | sub volume_has_feature { |
745 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
746 | ||
747 | my $features = { | |
5649ccfe | 748 | snapshot => { current => 1, snap => 1}, |
44c3689a | 749 | clone => { base => 1, snap => 1}, |
5649ccfe AD |
750 | template => { current => 1}, |
751 | copy => { base => 1, current => 1, snap => 1}, | |
baafddbd | 752 | sparseinit => { base => 1, current => 1}, |
95dfa44c | 753 | rename => {current => 1}, |
774f21b9 AD |
754 | }; |
755 | ||
6d0d0a97 | 756 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = $class->parse_volname($volname); |
1e7ae581 AD |
757 | |
758 | my $key = undef; | |
6d0d0a97 | 759 | if ($snapname){ |
2c5a7097 | 760 | $key = 'snap'; |
6d0d0a97 TL |
761 | } else { |
762 | $key = $isBase ? 'base' : 'current'; | |
1e7ae581 AD |
763 | } |
764 | return 1 if $features->{$feature}->{$key}; | |
774f21b9 AD |
765 | |
766 | return undef; | |
767 | } | |
768 | ||
95dfa44c AL |
769 | sub rename_volume { |
770 | my ($class, $scfg, $storeid, $source_volname, $target_vmid, $target_volname) = @_; | |
771 | ||
772 | my ( | |
773 | undef, | |
774 | $source_image, | |
775 | $source_vmid, | |
776 | $base_name, | |
777 | $base_vmid, | |
778 | undef, | |
779 | $format | |
780 | ) = $class->parse_volname($source_volname); | |
781 | $target_volname = $class->find_free_diskname($storeid, $scfg, $target_vmid, $format) | |
782 | if !$target_volname; | |
783 | ||
784 | eval { | |
785 | my $cmd = $rbd_cmd->($scfg, $storeid, 'info', $target_volname); | |
786 | run_rbd_command($cmd, errmsg => "exist check", quiet => 1); | |
787 | }; | |
788 | die "target volume '${target_volname}' already exists\n" if !$@; | |
789 | ||
790 | my $cmd = $rbd_cmd->($scfg, $storeid, 'rename', $source_image, $target_volname); | |
791 | ||
792 | run_rbd_command( | |
793 | $cmd, | |
794 | errmsg => "could not rename image '${source_image}' to '${target_volname}'", | |
795 | ); | |
796 | ||
797 | $base_name = $base_name ? "${base_name}/" : ''; | |
798 | ||
799 | return "${storeid}:${base_name}${target_volname}"; | |
800 | } | |
801 | ||
0509010d | 802 | 1; |