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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 | ||
12 | ||
13 | sub rbd_ls{ | |
14 | my ($scfg) = @_; | |
15 | ||
16 | my $rbdpool = $scfg->{rbd_pool}; | |
17 | my $monhost = $scfg->{rbd_monhost}; | |
18 | $monhost =~ s/;/,/g; | |
19 | ||
20 | my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{rbd_id} ,'--key',$scfg->{rbd_key} ,'ls' ]; | |
21 | my $list = {}; | |
22 | run_command($cmd, errfunc => sub {},outfunc => sub { | |
23 | my $line = shift; | |
24 | ||
25 | $line = trim($line); | |
26 | my ($image) = $line; | |
27 | ||
28 | $list->{$rbdpool}->{$image} = { | |
29 | name => $image, | |
30 | size => "", | |
31 | }; | |
32 | ||
33 | }); | |
34 | ||
35 | ||
36 | return $list; | |
37 | ||
38 | } | |
39 | ||
40 | sub addslashes { | |
41 | my $text = shift; | |
42 | $text =~ s/;/\\;/g; | |
43 | $text =~ s/:/\\:/g; | |
44 | return $text; | |
45 | } | |
46 | ||
47 | # Configuration | |
48 | ||
49 | PVE::JSONSchema::register_format('pve-storage-rbd-mon', \&parse_rbd_mon); | |
50 | sub parse_rbd_mon { | |
51 | my ($name, $noerr) = @_; | |
52 | ||
53 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
54 | return undef if $noerr; | |
55 | die "lvm name '$name' contains illegal characters\n"; | |
56 | } | |
57 | ||
58 | return $name; | |
59 | } | |
60 | ||
61 | ||
62 | sub type { | |
63 | return 'rbd'; | |
64 | } | |
65 | ||
66 | sub plugindata { | |
67 | return { | |
68 | content => [ {images => 1}, { images => 1 }], | |
69 | }; | |
70 | } | |
71 | ||
72 | sub properties { | |
73 | return { | |
74 | rbd_monhost => { | |
75 | description => "Monitors daemon ips.", | |
76 | type => 'string', | |
77 | }, | |
78 | rbd_pool => { | |
79 | description => "RBD Pool.", | |
80 | type => 'string', | |
81 | }, | |
82 | rbd_id => { | |
83 | description => "RBD Id.", | |
84 | type => 'string', | |
85 | }, | |
86 | rbd_key => { | |
87 | description => "Key.", | |
88 | type => 'string', | |
89 | }, | |
90 | rbd_authsupported => { | |
91 | description => "Authsupported.", | |
92 | type => 'string', | |
93 | }, | |
94 | }; | |
95 | } | |
96 | ||
97 | sub options { | |
98 | return { | |
99 | rbd_monhost => { fixed => 1 }, | |
100 | rbd_pool => { fixed => 1 }, | |
101 | rbd_id => { fixed => 1 }, | |
102 | rbd_key => { fixed => 1 }, | |
103 | rbd_authsupported => { fixed => 1 }, | |
104 | content => { optional => 1 }, | |
105 | }; | |
106 | } | |
107 | ||
108 | # Storage implementation | |
109 | ||
110 | sub parse_volname { | |
111 | my ($class, $volname) = @_; | |
112 | ||
113 | if ($volname =~ m/^(vm-(\d+)-\S+)$/) { | |
114 | return ('images', $1, $2); | |
115 | } | |
116 | ||
117 | die "unable to parse rbd volume name '$volname'\n"; | |
118 | } | |
119 | ||
120 | sub path { | |
121 | my ($class, $scfg, $volname) = @_; | |
122 | ||
123 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
124 | ||
125 | my $monhost = addslashes($scfg->{rbd_monhost}); | |
126 | my $pool = $scfg->{rbd_pool}; | |
127 | my $id = $scfg->{rbd_id}; | |
128 | my $key = $scfg->{rbd_key}; | |
129 | my $authsupported = addslashes($scfg->{rbd_authsupported}); | |
130 | ||
131 | my $path = "rbd:$pool/$name:id=$id:key=$key:auth_supported=$authsupported:mon_host=$monhost"; | |
132 | ||
133 | return ($path, $vmid, $vtype); | |
134 | } | |
135 | ||
136 | sub alloc_image { | |
137 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
138 | ||
139 | ||
140 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
141 | if $name && $name !~ m/^vm-$vmid-/; | |
142 | my $rbdpool = $scfg->{rbd_pool}; | |
143 | my $monhost = $scfg->{rbd_monhost}; | |
144 | $monhost =~ s/;/,/g; | |
145 | ||
146 | if (!$name) { | |
147 | my $rdb = rbd_ls($scfg); | |
148 | ||
149 | for (my $i = 1; $i < 100; $i++) { | |
150 | my $tn = "vm-$vmid-disk-$i"; | |
151 | if (!defined ($rdb->{$rbdpool}->{$tn})) { | |
152 | $name = $tn; | |
153 | last; | |
154 | } | |
155 | } | |
156 | } | |
157 | ||
158 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n" | |
159 | if !$name; | |
160 | ||
161 | my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{rbd_id}, '--key', $scfg->{rbd_key}, 'create', '--size', ($size/1024), $name ]; | |
162 | run_command($cmd, errmsg => "rbd create $name' error"); | |
163 | ||
164 | return $name; | |
165 | } | |
166 | ||
167 | sub free_image { | |
168 | my ($class, $storeid, $scfg, $volname) = @_; | |
169 | ||
170 | my $rbdpool = $scfg->{rbd_pool}; | |
171 | my $monhost = $scfg->{rbd_monhost}; | |
172 | $monhost =~ s/;/,/g; | |
173 | ||
174 | my $cmd = ['/usr/bin/rbd', '-p', $rbdpool, '-m', $monhost, '-n', "client.".$scfg->{rbd_id}, '--key',$scfg->{rbd_key}, 'rm', $volname ]; | |
175 | run_command($cmd, errmsg => "rbd rm $volname' error"); | |
176 | ||
177 | return undef; | |
178 | } | |
179 | ||
180 | sub list_images { | |
181 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
182 | ||
183 | $cache->{rbd} = rbd_ls($scfg) if !$cache->{rbd}; | |
184 | my $rbdpool = $scfg->{rbd_pool}; | |
185 | my $res = []; | |
186 | ||
187 | if (my $dat = $cache->{rbd}->{$rbdpool}) { | |
188 | foreach my $image (keys %$dat) { | |
189 | ||
190 | my $volname = $dat->{$image}->{name}; | |
191 | ||
192 | my $volid = "$storeid:$volname"; | |
193 | ||
194 | ||
195 | my $owner = $dat->{$volname}->{vmid}; | |
196 | if ($vollist) { | |
197 | my $found = grep { $_ eq $volid } @$vollist; | |
198 | next if !$found; | |
199 | } else { | |
200 | next if defined ($vmid) && ($owner ne $vmid); | |
201 | } | |
202 | ||
203 | my $info = $dat->{$volname}; | |
204 | $info->{volid} = $volid; | |
205 | ||
206 | push @$res, $info; | |
207 | } | |
208 | } | |
209 | ||
210 | return $res; | |
211 | } | |
212 | ||
213 | ||
214 | sub status { | |
215 | my ($class, $storeid, $scfg, $cache) = @_; | |
216 | ||
217 | ||
218 | my $total = 0; | |
219 | my $free = 0; | |
220 | my $used = 0; | |
221 | my $active = 1; | |
222 | return ($total,$free,$used,$active); | |
223 | ||
224 | return undef; | |
225 | } | |
226 | ||
227 | sub activate_storage { | |
228 | my ($class, $storeid, $scfg, $cache) = @_; | |
229 | return 1; | |
230 | } | |
231 | ||
232 | sub deactivate_storage { | |
233 | my ($class, $storeid, $scfg, $cache) = @_; | |
234 | return 1; | |
235 | } | |
236 | ||
237 | sub activate_volume { | |
238 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
239 | return 1; | |
240 | } | |
241 | ||
242 | sub deactivate_volume { | |
243 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
244 | return 1; | |
245 | } | |
246 | ||
247 | 1; |