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271fe394 DM |
1 | package PVE::Storage::PBSPlugin; |
2 | ||
3 | # Plugin to access Proxmox Backup Server | |
4 | ||
5 | use strict; | |
6 | use warnings; | |
7 | use POSIX qw(strftime); | |
8 | use IO::File; | |
9 | use HTTP::Request; | |
10 | use LWP::UserAgent; | |
11 | use JSON; | |
12 | use Data::Dumper; # fixme: remove | |
13 | ||
14 | use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach); | |
15 | use PVE::Storage::Plugin; | |
16 | use PVE::JSONSchema qw(get_standard_option); | |
17 | ||
18 | use base qw(PVE::Storage::Plugin); | |
19 | ||
20 | # Configuration | |
21 | ||
22 | sub type { | |
23 | return 'pbs'; | |
24 | } | |
25 | ||
26 | sub plugindata { | |
27 | return { | |
28 | content => [ {backup => 1, none => 1}, { backup => 1 }], | |
29 | }; | |
30 | } | |
31 | ||
32 | sub properties { | |
33 | return { | |
34 | datastore => { | |
35 | description => "Proxmox backup server datastore name.", | |
36 | type => 'string', | |
37 | }, | |
38 | # openssl s_client -connect <host>:8007 2>&1 |openssl x509 -fingerprint -sha256 | |
39 | fingerprint => get_standard_option('fingerprint-sha256'), | |
40 | }; | |
41 | } | |
42 | ||
43 | sub options { | |
44 | return { | |
45 | server => { fixed => 1 }, | |
46 | datastore => { fixed => 1 }, | |
47 | nodes => { optional => 1}, | |
48 | disable => { optional => 1}, | |
49 | content => { optional => 1}, | |
50 | username => { optional => 1 }, | |
51 | password => { optional => 1}, | |
52 | maxfiles => { optional => 1 }, | |
53 | fingerprint => { optional => 1 }, | |
54 | }; | |
55 | } | |
56 | ||
57 | # Helpers | |
58 | ||
59 | sub pbs_password_file_name { | |
60 | my ($scfg, $storeid) = @_; | |
61 | ||
62 | return "/etc/pve/priv/${storeid}.pw"; | |
63 | } | |
64 | ||
65 | sub pbs_set_password { | |
66 | my ($scfg, $storeid, $password) = @_; | |
67 | ||
68 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
69 | ||
70 | PVE::Tools::file_set_contents($pwfile, "$password\n"); | |
71 | } | |
72 | ||
73 | sub pbs_delete_password { | |
74 | my ($scfg, $storeid) = @_; | |
75 | ||
76 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
77 | ||
78 | unlink $pwfile; | |
79 | } | |
80 | ||
81 | sub pbs_get_password { | |
82 | my ($scfg, $storeid) = @_; | |
83 | ||
84 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
85 | ||
86 | return PVE::Tools::file_read_firstline($pwfile); | |
87 | } | |
88 | ||
89 | ||
90 | sub run_raw_client_cmd { | |
91 | my ($scfg, $storeid, $client_cmd, $param, %opts) = @_; | |
92 | ||
93 | my $server = $scfg->{server}; | |
94 | my $datastore = $scfg->{datastore}; | |
95 | my $username = $scfg->{username} // 'root@pam'; | |
96 | ||
97 | my $userns_cmd = delete $opts{userns_cmd}; | |
98 | ||
99 | my $cmd = []; | |
100 | ||
101 | push @$cmd, @$userns_cmd if defined($userns_cmd); | |
102 | ||
103 | push @$cmd, "/usr/bin/proxmox-backup-client", $client_cmd; | |
104 | ||
105 | push @$cmd, @$param if defined($param); | |
106 | ||
107 | push @$cmd, "--repository", "$username\@$server:$datastore"; | |
108 | ||
109 | local $ENV{PBS_PASSWORD} = pbs_get_password($scfg, $storeid); | |
110 | ||
111 | local $ENV{PBS_FINGERPRINT} = $scfg->{fingerprint}; | |
112 | ||
113 | if (my $logfunc = $opts{logfunc}) { | |
114 | $logfunc->("run bps command: " . join(' ', @$cmd)); | |
115 | } | |
116 | ||
117 | run_command($cmd, %opts); | |
118 | } | |
119 | ||
120 | sub run_client_cmd { | |
121 | my ($scfg, $storeid, $client_cmd, $param, $no_output) = @_; | |
122 | ||
123 | my $json_str = ''; | |
124 | ||
125 | my $outfunc = sub { | |
126 | my $line = shift; | |
127 | $json_str .= "$line\n"; | |
128 | }; | |
129 | ||
130 | $param = [] if !defined($param); | |
131 | $param = [ $param ] if !ref($param); | |
132 | ||
133 | $param = [@$param, '--output-format=json'] if !$no_output; | |
134 | ||
135 | run_raw_client_cmd($scfg, $storeid, $client_cmd, $param, | |
136 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); | |
137 | ||
138 | return undef if $no_output; | |
139 | ||
140 | my $res = decode_json($json_str); | |
141 | ||
142 | return $res; | |
143 | } | |
144 | ||
145 | # Storage implementation | |
146 | ||
c855ac15 DM |
147 | sub extract_vzdump_config { |
148 | my ($class, $scfg, $volname, $storeid) = @_; | |
149 | ||
150 | my ($vtype, $name, $vmid, undef, undef, undef, $format) = $class->parse_volname($volname); | |
151 | ||
152 | my $config = ''; | |
153 | ||
154 | my $outfunc = sub { | |
155 | my $line = shift; | |
156 | $config .= "$line\n"; | |
157 | }; | |
158 | ||
159 | my $config_name; | |
160 | if ($format eq 'pbs-vm') { | |
161 | $config_name = 'qemu-server.conf'; | |
162 | } elsif ($format eq 'pbs-ct') { | |
163 | $config_name = 'pct.conf'; | |
164 | } else { | |
165 | die "unable to extract configuration for backup format '$format'\n"; | |
166 | } | |
167 | ||
168 | run_raw_client_cmd(undef, $scfg, $storeid, 'restore', [ $name, $config_name, '-' ], | |
169 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); | |
170 | ||
171 | return $config; | |
172 | } | |
173 | ||
271fe394 DM |
174 | sub on_add_hook { |
175 | my ($class, $storeid, $scfg, %param) = @_; | |
176 | ||
177 | if (my $password = $param{password}) { | |
178 | pbs_set_password($scfg, $storeid, $password); | |
179 | } | |
180 | } | |
181 | ||
182 | sub on_delete_hook { | |
183 | my ($class, $storeid, $scfg) = @_; | |
184 | ||
185 | pbs_delete_password($scfg, $storeid); | |
186 | } | |
187 | ||
188 | sub parse_volname { | |
189 | my ($class, $volname) = @_; | |
190 | ||
191 | if ($volname =~ m!^backup/([^\s_]+)/([^\s_]+)/([0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z)$!) { | |
192 | my $btype = $1; | |
193 | my $bid = $2; | |
194 | my $btime = $3; | |
195 | my $format = "pbs-$btype"; | |
196 | ||
197 | my $name = "$btype/$bid/$btime"; | |
198 | ||
199 | if ($bid =~ m/^\d+$/) { | |
200 | return ('backup', $name, $bid, undef, undef, undef, $format); | |
201 | } else { | |
202 | return ('backup', $name, undef, undef, undef, undef, $format); | |
203 | } | |
204 | } | |
205 | ||
206 | die "unable to parse PBS volume name '$volname'\n"; | |
207 | } | |
208 | ||
209 | sub path { | |
210 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; | |
211 | ||
212 | die "volume snapshot is not possible on pbs storage" | |
213 | if defined($snapname); | |
214 | ||
215 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
216 | ||
217 | my $server = $scfg->{server}; | |
218 | my $datastore = $scfg->{datastore}; | |
219 | my $username = $scfg->{username} // 'root@pam'; | |
220 | ||
221 | # artifical url - we currently do not use that anywhere | |
222 | my $path = "pbs://$username\@$server:$datastore/$name"; | |
223 | ||
224 | return ($path, $vmid, $vtype); | |
225 | } | |
226 | ||
227 | sub create_base { | |
228 | my ($class, $storeid, $scfg, $volname) = @_; | |
229 | ||
230 | die "can't create base images in pbs storage\n"; | |
231 | } | |
232 | ||
233 | sub clone_image { | |
234 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
235 | ||
236 | die "can't clone images in pbs storage\n"; | |
237 | } | |
238 | ||
239 | sub alloc_image { | |
240 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
241 | ||
242 | die "can't allocate space in pbs storage\n"; | |
243 | } | |
244 | ||
245 | sub free_image { | |
246 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
247 | ||
248 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
249 | ||
250 | run_client_cmd($scfg, $storeid, "forget", [ $name ], 1); | |
251 | } | |
252 | ||
253 | ||
254 | sub list_images { | |
255 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
256 | ||
257 | my $res = []; | |
258 | ||
259 | return $res; | |
260 | } | |
261 | ||
262 | sub list_volumes { | |
263 | my ($class, $storeid, $scfg, $vmid, $content_types) = @_; | |
264 | ||
265 | my $res = []; | |
266 | ||
267 | return $res if !grep { $_ eq 'backup' } @$content_types; | |
268 | ||
269 | my $data = run_client_cmd($scfg, $storeid, "snapshots"); | |
270 | ||
271 | foreach my $item (@$data) { | |
272 | my $btype = $item->{"backup-type"}; | |
273 | my $bid = $item->{"backup-id"}; | |
274 | my $btime = $item->{"backup-time"}; | |
275 | my $size = $item->{size} // 1; | |
276 | ||
277 | next if !($btype eq 'vm' || $btype eq 'ct'); | |
278 | next if $bid !~ m/^\d+$/; | |
279 | ||
280 | $btime = strftime("%FT%TZ", gmtime($btime)); | |
281 | my $volname = "backup/${btype}/${bid}/${btime}"; | |
282 | ||
283 | my $volid = "$storeid:$volname"; | |
284 | ||
285 | my $info = { volid => $volid , format => "pbs-$btype", size => $size, content => 'backup', vmid => int($bid) }; | |
286 | ||
287 | push @$res, $info; | |
288 | } | |
289 | ||
290 | return $res; | |
291 | } | |
292 | ||
293 | sub status { | |
294 | my ($class, $storeid, $scfg, $cache) = @_; | |
295 | ||
296 | my $total = 0; | |
297 | my $free = 0; | |
298 | my $used = 0; | |
299 | my $active = 0; | |
300 | ||
301 | eval { | |
302 | my $res = run_client_cmd($scfg, $storeid, "status"); | |
303 | ||
304 | $active = 1; | |
305 | $total = $res->{total}; | |
306 | $used = $res->{used}; | |
307 | $free = $res->{avail}; | |
308 | }; | |
309 | if (my $err = $@) { | |
310 | warn $err; | |
311 | } | |
312 | ||
313 | return ($total, $free, $used, $active); | |
314 | } | |
315 | ||
316 | sub activate_storage { | |
317 | my ($class, $storeid, $scfg, $cache) = @_; | |
318 | return 1; | |
319 | } | |
320 | ||
321 | sub deactivate_storage { | |
322 | my ($class, $storeid, $scfg, $cache) = @_; | |
323 | return 1; | |
324 | } | |
325 | ||
326 | sub activate_volume { | |
327 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
328 | ||
329 | die "volume snapshot is not possible on pbs device" if $snapname; | |
330 | ||
331 | return 1; | |
332 | } | |
333 | ||
334 | sub deactivate_volume { | |
335 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
336 | ||
337 | die "volume snapshot is not possible on pbs device" if $snapname; | |
338 | ||
339 | return 1; | |
340 | } | |
341 | ||
342 | sub volume_size_info { | |
343 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
344 | ||
345 | my ($vtype, $name, undef, undef, undef, undef, $format) = $class->parse_volname($volname); | |
346 | ||
347 | my $data = run_client_cmd($scfg, $storeid, "files", [ $name ]); | |
348 | ||
349 | my $size = 0; | |
350 | foreach my $info (@$data) { | |
351 | $size += $info->{size} if $info->{size}; | |
352 | } | |
353 | ||
354 | my $used = $size; | |
355 | ||
356 | return wantarray ? ($size, $format, $used, undef) : $size; | |
357 | } | |
358 | ||
359 | sub volume_resize { | |
360 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
361 | die "volume resize is not possible on pbs device"; | |
362 | } | |
363 | ||
364 | sub volume_snapshot { | |
365 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
366 | die "volume snapshot is not possible on pbs device"; | |
367 | } | |
368 | ||
369 | sub volume_snapshot_rollback { | |
370 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
371 | die "volume snapshot rollback is not possible on pbs device"; | |
372 | } | |
373 | ||
374 | sub volume_snapshot_delete { | |
375 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
376 | die "volume snapshot delete is not possible on pbs device"; | |
377 | } | |
378 | ||
379 | sub volume_has_feature { | |
380 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
381 | ||
382 | return undef; | |
383 | } | |
384 | ||
385 | 1; |