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[pve-storage.git] / PVE / API2 / Storage / Status.pm
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1package PVE::API2::Storage::Status;
2
3use strict;
4use warnings;
5
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6use File::Path;
7use File::Basename;
8use PVE::Tools;
9use PVE::INotify;
83d7192f 10use PVE::Cluster;
0ce8cadd 11use PVE::RRD;
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12use PVE::Storage;
13use PVE::API2::Storage::Content;
25a95836 14use PVE::API2::Storage::PruneBackups;
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15use PVE::RESTHandler;
16use PVE::RPCEnvironment;
17use PVE::JSONSchema qw(get_standard_option);
18use PVE::Exception qw(raise_param_exc);
19
20use base qw(PVE::RESTHandler);
21
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22__PACKAGE__->register_method ({
23 subclass => "PVE::API2::Storage::PruneBackups",
24 path => '{storage}/prunebackups',
25});
26
b6cf0a66 27__PACKAGE__->register_method ({
7dd31e68 28 subclass => "PVE::API2::Storage::Content",
b6cf0a66 29 # set fragment delimiter (no subdirs) - we need that, because volume
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30 # IDs may contain a slash '/'
31 fragmentDelimiter => '',
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32 path => '{storage}/content',
33});
34
35__PACKAGE__->register_method ({
7dd31e68 36 name => 'index',
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37 path => '',
38 method => 'GET',
39 description => "Get status for all datastores.",
7dd31e68 40 permissions => {
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41 description => "Only list entries where you have 'Datastore.Audit' or 'Datastore.AllocateSpace' permissions on '/storage/<storage>'",
42 user => 'all',
43 },
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44 protected => 1,
45 proxyto => 'node',
46 parameters => {
47 additionalProperties => 0,
48 properties => {
49 node => get_standard_option('pve-node'),
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50 storage => get_standard_option('pve-storage-id', {
51 description => "Only list status for specified storage",
52 optional => 1,
53 completion => \&PVE::Storage::complete_storage_enabled,
54 }),
7dd31e68 55 content => {
b6cf0a66 56 description => "Only list stores which support this content type.",
583c2802 57 type => 'string', format => 'pve-storage-content-list',
b6cf0a66 58 optional => 1,
98437f4c 59 completion => \&PVE::Storage::complete_content_type,
b6cf0a66 60 },
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61 enabled => {
62 description => "Only list stores which are enabled (not disabled in config).",
63 type => 'boolean',
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64 optional => 1,
65 default => 0,
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66 },
67 target => get_standard_option('pve-node', {
68 description => "If target is different to 'node', we only lists shared storages which " .
69 "content is accessible on this 'node' and the specified 'target' node.",
70 optional => 1,
f3bd890d 71 completion => \&PVE::Cluster::get_nodelist,
283608f3 72 }),
d347322a 73 'format' => {
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74 description => "Include information about formats",
75 type => 'boolean',
76 optional => 1,
77 default => 0,
78 },
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79 },
80 },
81 returns => {
82 type => 'array',
83 items => {
84 type => "object",
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85 properties => {
86 storage => get_standard_option('pve-storage-id'),
87 type => {
88 description => "Storage type.",
89 type => 'string',
90 },
91 content => {
92 description => "Allowed storage content types.",
93 type => 'string', format => 'pve-storage-content-list',
94 },
95 enabled => {
96 description => "Set when storage is enabled (not disabled).",
97 type => 'boolean',
98 optional => 1,
99 },
100 active => {
101 description => "Set when storage is accessible.",
102 type => 'boolean',
103 optional => 1,
104 },
105 shared => {
106 description => "Shared flag from storage configuration.",
107 type => 'boolean',
108 optional => 1,
109 },
110 total => {
111 description => "Total storage space in bytes.",
112 type => 'integer',
113 renderer => 'bytes',
114 optional => 1,
115 },
116 used => {
117 description => "Used storage space in bytes.",
118 type => 'integer',
119 renderer => 'bytes',
120 optional => 1,
121 },
122 avail => {
123 description => "Available storage space in bytes.",
124 type => 'integer',
125 renderer => 'bytes',
126 optional => 1,
127 },
128 used_fraction => {
129 description => "Used fraction (used/total).",
130 type => 'number',
131 renderer => 'fraction_as_percentage',
132 optional => 1,
133 },
134 },
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135 },
136 links => [ { rel => 'child', href => "{storage}" } ],
137 },
138 code => sub {
139 my ($param) = @_;
140
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141 my $rpcenv = PVE::RPCEnvironment::get();
142 my $authuser = $rpcenv->get_user();
143
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144 my $localnode = PVE::INotify::nodename();
145
146 my $target = $param->{target};
147
148 undef $target if $target && ($target eq $localnode || $target eq 'localhost');
f6c03d36 149
83d7192f 150 my $cfg = PVE::Storage::config();
b6cf0a66 151
856c54bd 152 my $info = PVE::Storage::storage_info($cfg, $param->{content}, $param->{format});
b6cf0a66 153
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154 raise_param_exc({ storage => "No such storage." })
155 if $param->{storage} && !defined($info->{$param->{storage}});
f6c03d36 156
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157 my $res = {};
158 my @sids = PVE::Storage::storage_ids($cfg);
159 foreach my $storeid (@sids) {
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160 my $data = $info->{$storeid};
161 next if !$data;
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162 my $privs = [ 'Datastore.Audit', 'Datastore.AllocateSpace' ];
163 next if !$rpcenv->check_any($authuser, "/storage/$storeid", $privs, 1);
164 next if $param->{storage} && $param->{storage} ne $storeid;
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165
166 my $scfg = PVE::Storage::storage_config($cfg, $storeid);
167
168 next if $param->{enabled} && $scfg->{disable};
f6c03d36 169
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170 if ($target) {
171 # check if storage content is accessible on local node and specified target node
172 # we use this on the Clone GUI
173
174 next if !$scfg->{shared};
175 next if !PVE::Storage::storage_check_node($cfg, $storeid, undef, 1);
176 next if !PVE::Storage::storage_check_node($cfg, $storeid, $target, 1);
177 }
178
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179 if ($data->{total}) {
180 $data->{used_fraction} = ($data->{used} // 0) / $data->{total};
181 }
182
183 $res->{$storeid} = $data;
b6cf0a66 184 }
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185
186 return PVE::RESTHandler::hash_to_array($res, 'storage');
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187 }});
188
189__PACKAGE__->register_method ({
190 name => 'diridx',
7dd31e68 191 path => '{storage}',
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192 method => 'GET',
193 description => "",
7dd31e68 194 permissions => {
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195 check => ['perm', '/storage/{storage}', ['Datastore.Audit', 'Datastore.AllocateSpace'], any => 1],
196 },
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197 parameters => {
198 additionalProperties => 0,
199 properties => {
200 node => get_standard_option('pve-node'),
201 storage => get_standard_option('pve-storage-id'),
202 },
203 },
204 returns => {
205 type => 'array',
206 items => {
207 type => "object",
208 properties => {
209 subdir => { type => 'string' },
210 },
211 },
212 links => [ { rel => 'child', href => "{subdir}" } ],
213 },
214 code => sub {
215 my ($param) = @_;
216
217 my $res = [
218 { subdir => 'status' },
219 { subdir => 'content' },
7814e05f 220 { subdir => 'upload' },
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221 { subdir => 'rrd' },
222 { subdir => 'rrddata' },
25a95836 223 { subdir => 'prunebackups' },
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224 ];
225
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226 return $res;
227 }});
228
229__PACKAGE__->register_method ({
230 name => 'read_status',
7dd31e68 231 path => '{storage}/status',
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232 method => 'GET',
233 description => "Read storage status.",
7dd31e68 234 permissions => {
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235 check => ['perm', '/storage/{storage}', ['Datastore.Audit', 'Datastore.AllocateSpace'], any => 1],
236 },
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237 protected => 1,
238 proxyto => 'node',
239 parameters => {
240 additionalProperties => 0,
241 properties => {
242 node => get_standard_option('pve-node'),
243 storage => get_standard_option('pve-storage-id'),
244 },
245 },
246 returns => {
247 type => "object",
248 properties => {},
249 },
250 code => sub {
251 my ($param) = @_;
252
83d7192f 253 my $cfg = PVE::Storage::config();
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254
255 my $info = PVE::Storage::storage_info($cfg, $param->{content});
256
257 my $data = $info->{$param->{storage}};
258
259 raise_param_exc({ storage => "No such storage." })
260 if !defined($data);
7dd31e68 261
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262 return $data;
263 }});
264
265__PACKAGE__->register_method ({
266 name => 'rrd',
7dd31e68 267 path => '{storage}/rrd',
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268 method => 'GET',
269 description => "Read storage RRD statistics (returns PNG).",
7dd31e68 270 permissions => {
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271 check => ['perm', '/storage/{storage}', ['Datastore.Audit', 'Datastore.AllocateSpace'], any => 1],
272 },
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273 protected => 1,
274 proxyto => 'node',
275 parameters => {
276 additionalProperties => 0,
277 properties => {
278 node => get_standard_option('pve-node'),
279 storage => get_standard_option('pve-storage-id'),
280 timeframe => {
281 description => "Specify the time frame you are interested in.",
282 type => 'string',
283 enum => [ 'hour', 'day', 'week', 'month', 'year' ],
284 },
285 ds => {
286 description => "The list of datasources you want to display.",
287 type => 'string', format => 'pve-configid-list',
288 },
289 cf => {
290 description => "The RRD consolidation function",
291 type => 'string',
292 enum => [ 'AVERAGE', 'MAX' ],
293 optional => 1,
294 },
295 },
296 },
297 returns => {
298 type => "object",
299 properties => {
300 filename => { type => 'string' },
301 },
302 },
303 code => sub {
304 my ($param) = @_;
305
0ce8cadd 306 return PVE::RRD::create_rrd_graph(
7dd31e68 307 "pve2-storage/$param->{node}/$param->{storage}",
b6cf0a66 308 $param->{timeframe}, $param->{ds}, $param->{cf});
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309 }});
310
311__PACKAGE__->register_method ({
312 name => 'rrddata',
7dd31e68 313 path => '{storage}/rrddata',
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314 method => 'GET',
315 description => "Read storage RRD statistics.",
7dd31e68 316 permissions => {
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317 check => ['perm', '/storage/{storage}', ['Datastore.Audit', 'Datastore.AllocateSpace'], any => 1],
318 },
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319 protected => 1,
320 proxyto => 'node',
321 parameters => {
322 additionalProperties => 0,
323 properties => {
324 node => get_standard_option('pve-node'),
325 storage => get_standard_option('pve-storage-id'),
326 timeframe => {
327 description => "Specify the time frame you are interested in.",
328 type => 'string',
329 enum => [ 'hour', 'day', 'week', 'month', 'year' ],
330 },
331 cf => {
332 description => "The RRD consolidation function",
333 type => 'string',
334 enum => [ 'AVERAGE', 'MAX' ],
335 optional => 1,
336 },
337 },
338 },
339 returns => {
340 type => "array",
341 items => {
342 type => "object",
343 properties => {},
344 },
345 },
346 code => sub {
347 my ($param) = @_;
348
0ce8cadd 349 return PVE::RRD::create_rrd_data(
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350 "pve2-storage/$param->{node}/$param->{storage}",
351 $param->{timeframe}, $param->{cf});
b6cf0a66 352 }});
7814e05f 353
7dd31e68 354# makes no sense for big images and backup files (because it
1f6610f3 355# create a copy of the file).
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356__PACKAGE__->register_method ({
357 name => 'upload',
7dd31e68 358 path => '{storage}/upload',
7814e05f 359 method => 'POST',
1f6610f3 360 description => "Upload templates and ISO images.",
7dd31e68 361 permissions => {
1f6610f3 362 check => ['perm', '/storage/{storage}', ['Datastore.AllocateTemplate']],
5f642f73 363 },
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364 protected => 1,
365 parameters => {
366 additionalProperties => 0,
367 properties => {
368 node => get_standard_option('pve-node'),
369 storage => get_standard_option('pve-storage-id'),
7dd31e68 370 content => {
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371 description => "Content type.",
372 type => 'string', format => 'pve-storage-content',
373 },
7dd31e68 374 filename => {
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375 description => "The name of the file to create.",
376 type => 'string',
377 },
7dd31e68 378 tmpfilename => {
5c0720d6 379 description => "The source file name. This parameter is usually set by the REST handler. You can only overwrite it when connecting to the trusted port on localhost.",
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380 type => 'string',
381 optional => 1,
382 },
383 },
384 },
385 returns => { type => "string" },
386 code => sub {
387 my ($param) = @_;
388
389 my $rpcenv = PVE::RPCEnvironment::get();
390
391 my $user = $rpcenv->get_user();
392
83d7192f 393 my $cfg = PVE::Storage::config();
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394
395 my $node = $param->{node};
396 my $scfg = PVE::Storage::storage_check_enabled($cfg, $param->{storage}, $node);
397
d68c7bca 398 die "can't upload to storage type '$scfg->{type}'\n"
ee8c176d 399 if !defined($scfg->{path});
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400
401 my $content = $param->{content};
402
403 my $tmpfilename = $param->{tmpfilename};
404 die "missing temporary file name\n" if !$tmpfilename;
405
406 my $size = -s $tmpfilename;
481f6177 407 die "temporary file '$tmpfilename' does not exist\n" if !defined($size);
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408
409 my $filename = $param->{filename};
410
411 chomp $filename;
412 $filename =~ s/^.*[\/\\]//;
38e1eb3d 413 $filename =~ s/[^-a-zA-Z0-9_.]/_/g;
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414
415 my $path;
416
417 if ($content eq 'iso') {
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418 if ($filename !~ m![^/]+$PVE::Storage::iso_extension_re$!) {
419 raise_param_exc({ filename => "missing '.iso' or '.img' extension" });
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420 }
421 $path = PVE::Storage::get_iso_dir($cfg, $param->{storage});
422 } elsif ($content eq 'vztmpl') {
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423 if ($filename !~ m![^/]+\.tar\.[gx]z$!) {
424 raise_param_exc({ filename => "missing '.tar.gz' or '.tar.xz' extension" });
7814e05f 425 }
4ea5bca4 426 $path = PVE::Storage::get_vztmpl_dir($cfg, $param->{storage});
7814e05f 427 } else {
1f6610f3 428 raise_param_exc({ content => "upload content type '$content' not allowed" });
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429 }
430
d68c7bca 431 die "storage '$param->{storage}' does not support '$content' content\n"
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432 if !$scfg->{content}->{$content};
433
434 my $dest = "$path/$filename";
435 my $dirname = dirname($dest);
436
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437 # best effort to match apl_download behaviour
438 chmod 0644, $tmpfilename;
439
243f413a 440 # we simply overwrite the destination file if it already exists
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441
442 my $cmd;
443 if ($node ne 'localhost' && $node ne PVE::INotify::nodename()) {
444 my $remip = PVE::Cluster::remote_node_ip($node);
445
45c2ee35 446 my @ssh_options = ('-o', 'BatchMode=yes');
7814e05f 447
53ec90e2 448 my @remcmd = ('/usr/bin/ssh', @ssh_options, $remip, '--');
7814e05f 449
7dd31e68 450 eval {
7814e05f 451 # activate remote storage
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452 PVE::Tools::run_command([@remcmd, '/usr/sbin/pvesm', 'status',
453 '--storage', $param->{storage}]);
7814e05f 454 };
4af77132 455 die "can't activate storage '$param->{storage}' on node '$node': $@\n" if $@;
7814e05f 456
53ec90e2 457 PVE::Tools::run_command([@remcmd, '/bin/mkdir', '-p', '--', PVE::Tools::shell_quote($dirname)],
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458 errmsg => "mkdir failed");
459
5c0720d6 460 $cmd = ['/usr/bin/scp', @ssh_options, '-p', '--', $tmpfilename, "[$remip]:" . PVE::Tools::shell_quote($dest)];
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461 } else {
462 PVE::Storage::activate_storage($cfg, $param->{storage});
4ea5bca4 463 File::Path::make_path($dirname);
53ec90e2 464 $cmd = ['cp', '--', $tmpfilename, $dest];
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465 }
466
7dd31e68 467 my $worker = sub {
7814e05f 468 my $upid = shift;
7dd31e68 469
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470 print "starting file import from: $tmpfilename\n";
471 print "target node: $node\n";
472 print "target file: $dest\n";
473 print "file size is: $size\n";
474 print "command: " . join(' ', @$cmd) . "\n";
475
476 eval { PVE::Tools::run_command($cmd, errmsg => 'import failed'); };
477 if (my $err = $@) {
478 unlink $dest;
479 die $err;
480 }
481 print "finished file import successfully\n";
482 };
483
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484 my $upid = $rpcenv->fork_worker('imgcopy', undef, $user, $worker);
485
486 # apache removes the temporary file on return, so we need
487 # to wait here to make sure the worker process starts and
488 # opens the file before it gets removed.
489 sleep(1);
490
491 return $upid;
7814e05f 492 }});
7dd31e68 493
b6cf0a66 4941;