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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 | my $rbd_cmd = sub { | |
13 | my ($scfg, $storeid, $op, @options) = @_; | |
14 | ||
15 | my $monhost = $scfg->{monhost}; | |
16 | $monhost =~ s/;/,/g; | |
17 | ||
18 | my $cmd = ['/usr/bin/rbd', '-p', $scfg->{pool}, '-m', $monhost, '-n', | |
19 | "client.$scfg->{username}", | |
20 | '--keyring', "/etc/pve/priv/ceph/${storeid}.keyring", | |
21 | '--auth_supported', $scfg->{authsupported}, $op]; | |
22 | ||
23 | push @$cmd, @options if scalar(@options); | |
24 | ||
25 | return $cmd; | |
26 | }; | |
27 | ||
28 | sub rbd_ls { | |
29 | my ($scfg, $storeid) = @_; | |
30 | ||
31 | my $cmd = &$rbd_cmd($scfg, $storeid, 'ls'); | |
32 | ||
33 | my $list = {}; | |
34 | ||
35 | my $parser = sub { | |
36 | my $line = shift; | |
37 | ||
38 | if ($line =~ m/^(vm-(\d+)-\S+)$/) { | |
39 | my ($image, $owner) = ($1, $2); | |
40 | ||
41 | $list->{$scfg->{pool}}->{$image} = { | |
42 | name => $image, | |
43 | size => 0, | |
44 | vmid => $owner | |
45 | }; | |
46 | } | |
47 | }; | |
48 | ||
49 | eval { | |
50 | run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
51 | }; | |
52 | my $err = $@; | |
53 | ||
54 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
55 | ||
56 | return $list; | |
57 | } | |
58 | ||
59 | sub addslashes { | |
60 | my $text = shift; | |
61 | $text =~ s/;/\\;/g; | |
62 | $text =~ s/:/\\:/g; | |
63 | return $text; | |
64 | } | |
65 | ||
66 | # Configuration | |
67 | ||
68 | PVE::JSONSchema::register_format('pve-storage-monhost', \&parse_monhost); | |
69 | sub parse_monhost { | |
70 | my ($name, $noerr) = @_; | |
71 | ||
72 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
73 | return undef if $noerr; | |
74 | die "lvm name '$name' contains illegal characters\n"; | |
75 | } | |
76 | ||
77 | return $name; | |
78 | } | |
79 | ||
80 | sub type { | |
81 | return 'rbd'; | |
82 | } | |
83 | ||
84 | sub plugindata { | |
85 | return { | |
86 | content => [ {images => 1}, { images => 1 }], | |
87 | }; | |
88 | } | |
89 | ||
90 | sub properties { | |
91 | return { | |
92 | monhost => { | |
93 | description => "Monitors daemon ips.", | |
94 | type => 'string', | |
95 | }, | |
96 | pool => { | |
97 | description => "Pool.", | |
98 | type => 'string', | |
99 | }, | |
100 | username => { | |
101 | description => "RBD Id.", | |
102 | type => 'string', | |
103 | }, | |
104 | authsupported => { | |
105 | description => "Authsupported.", | |
106 | type => 'string', | |
107 | }, | |
108 | }; | |
109 | } | |
110 | ||
111 | sub options { | |
112 | return { | |
113 | nodes => { optional => 1 }, | |
114 | disable => { optional => 1 }, | |
115 | monhost => { fixed => 1 }, | |
116 | pool => { fixed => 1 }, | |
117 | username => { fixed => 1 }, | |
118 | authsupported => { fixed => 1 }, | |
119 | content => { optional => 1 }, | |
120 | }; | |
121 | } | |
122 | ||
123 | # Storage implementation | |
124 | ||
125 | sub parse_volname { | |
126 | my ($class, $volname) = @_; | |
127 | ||
128 | if ($volname =~ m/^(vm-(\d+)-\S+)$/) { | |
129 | return ('images', $1, $2); | |
130 | } | |
131 | ||
132 | die "unable to parse rbd volume name '$volname'\n"; | |
133 | } | |
134 | ||
135 | sub path { | |
136 | my ($class, $scfg, $volname, $storeid) = @_; | |
137 | ||
138 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
139 | ||
140 | my $monhost = addslashes($scfg->{monhost}); | |
141 | my $pool = $scfg->{pool}; | |
142 | my $username = $scfg->{username}; | |
143 | my $authsupported = addslashes($scfg->{authsupported}); | |
144 | ||
145 | my $path = "rbd:$pool/$name:id=$username:auth_supported=$authsupported:keyring=/etc/pve/priv/ceph/$storeid.keyring:mon_host=$monhost"; | |
146 | ||
147 | return ($path, $vmid, $vtype); | |
148 | } | |
149 | ||
150 | sub alloc_image { | |
151 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
152 | ||
153 | ||
154 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
155 | if $name && $name !~ m/^vm-$vmid-/; | |
156 | ||
157 | if (!$name) { | |
158 | my $rdb = rbd_ls($scfg, $storeid); | |
159 | ||
160 | for (my $i = 1; $i < 100; $i++) { | |
161 | my $tn = "vm-$vmid-disk-$i"; | |
162 | if (!defined ($rdb->{$scfg->{pool}}->{$tn})) { | |
163 | $name = $tn; | |
164 | last; | |
165 | } | |
166 | } | |
167 | } | |
168 | ||
169 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n" | |
170 | if !$name; | |
171 | ||
172 | my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--size', ($size/1024), $name); | |
173 | run_command($cmd, errmsg => "rbd create $name' error", errfunc => sub {}); | |
174 | ||
175 | return $name; | |
176 | } | |
177 | ||
178 | sub free_image { | |
179 | my ($class, $storeid, $scfg, $volname) = @_; | |
180 | ||
181 | my $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $volname); | |
182 | run_command($cmd, errmsg => "rbd rm $volname' error", outfunc => sub {}, errfunc => sub {}); | |
183 | ||
184 | return undef; | |
185 | } | |
186 | ||
187 | sub list_images { | |
188 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
189 | ||
190 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; | |
191 | ||
192 | my $res = []; | |
193 | ||
194 | if (my $dat = $cache->{rbd}->{$scfg->{pool}}) { | |
195 | foreach my $image (keys %$dat) { | |
196 | ||
197 | my $volname = $dat->{$image}->{name}; | |
198 | ||
199 | my $volid = "$storeid:$volname"; | |
200 | ||
201 | my $owner = $dat->{$volname}->{vmid}; | |
202 | if ($vollist) { | |
203 | my $found = grep { $_ eq $volid } @$vollist; | |
204 | next if !$found; | |
205 | } else { | |
206 | next if defined ($vmid) && ($owner ne $vmid); | |
207 | } | |
208 | ||
209 | my $info = $dat->{$volname}; | |
210 | $info->{volid} = $volid; | |
211 | $info->{format} = 'raw'; | |
212 | ||
213 | push @$res, $info; | |
214 | } | |
215 | } | |
216 | ||
217 | return $res; | |
218 | } | |
219 | ||
220 | sub status { | |
221 | my ($class, $storeid, $scfg, $cache) = @_; | |
222 | ||
223 | my $total = 0; | |
224 | my $free = 0; | |
225 | my $used = 0; | |
226 | my $active = 1; | |
227 | ||
228 | return ($total, $free, $used, $active); | |
229 | } | |
230 | ||
231 | sub activate_storage { | |
232 | my ($class, $storeid, $scfg, $cache) = @_; | |
233 | return 1; | |
234 | } | |
235 | ||
236 | sub deactivate_storage { | |
237 | my ($class, $storeid, $scfg, $cache) = @_; | |
238 | return 1; | |
239 | } | |
240 | ||
241 | sub activate_volume { | |
242 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
243 | return 1; | |
244 | } | |
245 | ||
246 | sub deactivate_volume { | |
247 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
248 | return 1; | |
249 | } | |
250 | ||
251 | sub volume_size_info { | |
252 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
253 | ||
254 | my $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname); | |
255 | my $size = undef; | |
256 | my $parser = sub { | |
257 | my $line = shift; | |
258 | ||
259 | if ($line =~ m/size (\d+) MB in (\d+) objects/) { | |
260 | $size = $1; | |
261 | } | |
262 | }; | |
263 | ||
264 | run_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
265 | ||
266 | $size = $size*1024*1024 if $size; | |
267 | ||
268 | return $size; | |
269 | } | |
270 | ||
271 | sub volume_resize { | |
272 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
273 | ||
274 | return 1 if $running; | |
275 | ||
276 | my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $volname); | |
277 | run_command($cmd, errmsg => "rbd resize $volname' error", errfunc => sub {}); | |
278 | return undef; | |
279 | } | |
280 | ||
281 | sub volume_snapshot { | |
282 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
283 | ||
284 | return 1 if $running; | |
285 | ||
286 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $volname); | |
287 | run_command($cmd, errmsg => "rbd snapshot $volname' error", errfunc => sub {}); | |
288 | return undef; | |
289 | } | |
290 | ||
291 | 1; |