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b345cad3 AD |
1 | package PVE::Storage::ISCSIDirectPlugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use IO::File; | |
6 | use HTTP::Request; | |
7 | use LWP::UserAgent; | |
8 | use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach); | |
9 | use PVE::Storage::Plugin; | |
10 | use PVE::JSONSchema qw(get_standard_option); | |
11 | ||
12 | use base qw(PVE::Storage::Plugin); | |
13 | ||
14 | ||
15 | sub iscsi_ls{ | |
16 | my ($scfg, $storeid) = @_; | |
17 | ||
18 | ||
19 | my $portal = $scfg->{portal}; | |
20 | my $cmd = ['/usr/bin/iscsi-ls', '-s', 'iscsi://'.$portal ]; | |
21 | my $list = {}; | |
22 | my $test = ""; | |
23 | ||
24 | my $errfunc = sub { | |
25 | my $line = shift; | |
26 | $line = trim($line); | |
27 | ||
28 | die $line if $line; | |
29 | }; | |
30 | ||
31 | eval { | |
32 | ||
33 | run_command($cmd, errmsg => "iscsi error", errfunc => $errfunc,outfunc => sub { | |
34 | my $line = shift; | |
35 | $line = trim($line); | |
36 | if( $line =~ /Lun:(\d+)\s+([A-Za-z0-9\-\_\.\:]*)\s+\(Size:(\d+)G\)/ ) { | |
37 | $test = $1; | |
38 | ||
39 | my $image = $1; | |
40 | my $size = $3; | |
41 | ||
42 | $list->{$storeid}->{$image} = { | |
43 | name => $image, | |
44 | size => $size, | |
45 | }; | |
46 | } | |
47 | }); | |
48 | }; | |
49 | ||
50 | my $err = $@; | |
51 | die $err if $err && $err !~ m/TESTUNITREADY failed with SENSE KEY/ ; | |
52 | return $list; | |
53 | ||
54 | } | |
55 | ||
56 | # Configuration | |
57 | ||
58 | sub type { | |
59 | return 'iscsidirect'; | |
60 | } | |
61 | ||
62 | sub plugindata { | |
63 | return { | |
64 | content => [ {images => 1, none => 1}, { images => 1 }], | |
65 | }; | |
66 | } | |
67 | ||
68 | sub options { | |
69 | return { | |
70 | portal => { fixed => 1 }, | |
71 | target => { fixed => 1 }, | |
72 | nodes => { optional => 1}, | |
73 | disable => { optional => 1}, | |
74 | content => { optional => 1}, | |
75 | }; | |
76 | } | |
77 | ||
78 | ||
79 | # Storage implementation | |
80 | ||
81 | sub parse_volname { | |
82 | my ($class, $volname) = @_; | |
83 | ||
84 | ||
85 | if ($volname =~ m/^(\d+)$/) { | |
86 | return ('images', $1, undef); | |
87 | } | |
88 | ||
89 | die "unable to parse iscsi volume name '$volname'\n"; | |
90 | ||
91 | } | |
92 | ||
93 | sub path { | |
94 | my ($class, $scfg, $volname) = @_; | |
95 | ||
96 | my ($vtype, $lun, $vmid) = $class->parse_volname($volname); | |
97 | ||
98 | my $target = $scfg->{target}; | |
99 | my $portal = $scfg->{portal}; | |
100 | ||
101 | my $path = "iscsi://$portal/$target/$lun"; | |
102 | ||
103 | return ($path, $vmid, $vtype); | |
104 | } | |
105 | ||
106 | ||
107 | sub alloc_image { | |
108 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
109 | ||
110 | die "can't allocate space in iscsi storage\n"; | |
111 | } | |
112 | ||
113 | sub free_image { | |
114 | my ($class, $storeid, $scfg, $volname) = @_; | |
115 | ||
116 | die "can't free space in iscsi storage\n"; | |
117 | } | |
118 | ||
119 | ||
120 | sub list_images { | |
121 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
122 | ||
123 | my $res = []; | |
124 | ||
125 | $cache->{directiscsi} = iscsi_ls($scfg,$storeid) if !$cache->{directiscsi}; | |
126 | ||
127 | # we have no owner for iscsi devices | |
128 | ||
129 | my $target = $scfg->{target}; | |
130 | ||
131 | if (my $dat = $cache->{directiscsi}->{$storeid}) { | |
132 | ||
133 | foreach my $volname (keys %$dat) { | |
134 | ||
135 | my $volid = "$storeid:$volname"; | |
136 | ||
137 | if ($vollist) { | |
138 | my $found = grep { $_ eq $volid } @$vollist; | |
139 | next if !$found; | |
140 | } else { | |
141 | # we have no owner for iscsi devices | |
142 | next if defined($vmid); | |
143 | } | |
144 | ||
145 | my $info = $dat->{$volname}; | |
146 | $info->{volid} = $volid; | |
147 | ||
148 | push @$res, $info; | |
149 | } | |
150 | } | |
151 | ||
152 | return $res; | |
153 | } | |
154 | ||
155 | ||
156 | sub status { | |
157 | my ($class, $storeid, $scfg, $cache) = @_; | |
158 | ||
159 | my $total = 0; | |
160 | my $free = 0; | |
161 | my $used = 0; | |
162 | my $active = 1; | |
163 | return ($total,$free,$used,$active); | |
164 | ||
165 | return undef; | |
166 | } | |
167 | ||
168 | sub activate_storage { | |
169 | my ($class, $storeid, $scfg, $cache) = @_; | |
170 | return 1; | |
171 | } | |
172 | ||
173 | sub deactivate_storage { | |
174 | my ($class, $storeid, $scfg, $cache) = @_; | |
175 | return 1; | |
176 | } | |
177 | ||
178 | sub activate_volume { | |
179 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
180 | return 1; | |
181 | } | |
182 | ||
183 | sub deactivate_volume { | |
184 | my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; | |
185 | return 1; | |
186 | } | |
187 | ||
188 | ||
189 | 1; |