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e34ce144 AA |
1 | package PVE::Storage::CephFSPlugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5402cea5 | 5 | |
e34ce144 AA |
6 | use IO::File; |
7 | use Net::IP; | |
8 | use File::Path; | |
5402cea5 | 9 | |
b0373adc TL |
10 | use PVE::CephConfig; |
11 | use PVE::JSONSchema qw(get_standard_option); | |
e34ce144 AA |
12 | use PVE::ProcFSTools; |
13 | use PVE::Storage::Plugin; | |
1022a7c4 | 14 | use PVE::Systemd; |
b0373adc | 15 | use PVE::Tools qw(run_command file_set_contents); |
e34ce144 AA |
16 | |
17 | use base qw(PVE::Storage::Plugin); | |
18 | ||
19 | sub cephfs_is_mounted { | |
20 | my ($scfg, $storeid, $mountdata) = @_; | |
21 | ||
4050fcc1 | 22 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
e34ce144 | 23 | my $configfile = $cmd_option->{ceph_conf}; |
e34ce144 AA |
24 | |
25 | my $subdir = $scfg->{subdir} // '/'; | |
26 | my $mountpoint = $scfg->{path}; | |
e34ce144 AA |
27 | |
28 | $mountdata = PVE::ProcFSTools::parse_proc_mounts() if !$mountdata; | |
29 | return $mountpoint if grep { | |
30 | $_->[2] =~ m#^ceph|fuse\.ceph-fuse# && | |
82881c5f | 31 | $_->[0] =~ m#\Q:$subdir\E$|^ceph-fuse$# && |
e34ce144 AA |
32 | $_->[1] eq $mountpoint |
33 | } @$mountdata; | |
34 | ||
35 | warn "A filesystem is already mounted on $mountpoint\n" | |
36 | if grep { $_->[1] eq $mountpoint } @$mountdata; | |
37 | ||
38 | return undef; | |
39 | } | |
40 | ||
cda32b23 | 41 | # FIXME: remove once it's possible to specify _netdev for fuse.ceph mounts |
d9ece228 TL |
42 | sub systemd_netmount { |
43 | my ($where, $type, $what, $opts) = @_; | |
44 | ||
45 | # don't do default deps, systemd v241 generator produces ordering deps on both | |
46 | # local-fs(-pre) and remote-fs(-pre) targets if we use the required _netdev | |
ffc31266 | 47 | # option. Over three corners this gets us an ordering cycle on shutdown, which |
d9ece228 TL |
48 | # may make shutdown hang if the random cycle breaking hits the "wrong" unit to |
49 | # delete. | |
50 | my $unit = <<"EOF"; | |
51 | [Unit] | |
52 | Description=${where} | |
53 | DefaultDependencies=no | |
54 | Requires=system.slice | |
55 | Wants=network-online.target | |
56 | Before=umount.target remote-fs.target | |
57 | After=systemd-journald.socket system.slice network.target -.mount remote-fs-pre.target network-online.target | |
58 | Conflicts=umount.target | |
59 | ||
60 | [Mount] | |
61 | Where=${where} | |
62 | What=${what} | |
63 | Type=${type} | |
64 | Options=${opts} | |
65 | EOF | |
66 | ||
1022a7c4 | 67 | my $unit_fn = PVE::Systemd::escape_unit($where, 1) . ".mount"; |
d9ece228 | 68 | my $unit_path = "/run/systemd/system/$unit_fn"; |
9a80a3ea | 69 | my $daemon_needs_reload = -e $unit_path; |
d9ece228 TL |
70 | |
71 | file_set_contents($unit_path, $unit); | |
9a80a3ea TL |
72 | |
73 | run_command(['systemctl', 'daemon-reload'], errmsg => "daemon-reload error") | |
74 | if $daemon_needs_reload; | |
d9ece228 TL |
75 | run_command(['systemctl', 'start', $unit_fn], errmsg => "mount error"); |
76 | ||
77 | } | |
78 | ||
e34ce144 AA |
79 | sub cephfs_mount { |
80 | my ($scfg, $storeid) = @_; | |
81 | ||
e34ce144 AA |
82 | my $mountpoint = $scfg->{path}; |
83 | my $subdir = $scfg->{subdir} // '/'; | |
84 | ||
4050fcc1 | 85 | my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid); |
e34ce144 AA |
86 | my $configfile = $cmd_option->{ceph_conf}; |
87 | my $secretfile = $cmd_option->{keyring}; | |
4050fcc1 | 88 | my $server = $cmd_option->{mon_host} // PVE::CephConfig::get_monaddr_list($configfile); |
25e222ca | 89 | my $type = 'ceph'; |
e34ce144 | 90 | |
25e222ca | 91 | my @opts = (); |
e34ce144 | 92 | if ($scfg->{fuse}) { |
25e222ca TL |
93 | $type = 'fuse.ceph'; |
94 | push @opts, "ceph.id=$cmd_option->{userid}"; | |
95 | push @opts, "ceph.keyfile=$secretfile" if defined($secretfile); | |
96 | push @opts, "ceph.conf=$configfile" if defined($configfile); | |
5402cea5 | 97 | } else { |
25e222ca | 98 | push @opts, "name=$cmd_option->{userid}"; |
d9ece228 | 99 | push @opts, "secretfile=$secretfile" if defined($secretfile); |
9531988d | 100 | push @opts, "conf=$configfile" if defined($configfile); |
e34ce144 | 101 | } |
25e222ca TL |
102 | |
103 | push @opts, $scfg->{options} if $scfg->{options}; | |
104 | ||
105 | systemd_netmount($mountpoint, $type, "$server:$subdir", join(',', @opts)); | |
e34ce144 AA |
106 | } |
107 | ||
108 | # Configuration | |
109 | ||
110 | sub type { | |
111 | return 'cephfs'; | |
112 | } | |
113 | ||
114 | sub plugindata { | |
115 | return { | |
d1eb35ea | 116 | content => [ { vztmpl => 1, iso => 1, backup => 1, snippets => 1}, |
e34ce144 AA |
117 | { backup => 1 }], |
118 | }; | |
119 | } | |
120 | ||
121 | sub properties { | |
122 | return { | |
123 | fuse => { | |
124 | description => "Mount CephFS through FUSE.", | |
125 | type => 'boolean', | |
126 | }, | |
127 | subdir => { | |
128 | description => "Subdir to mount.", | |
129 | type => 'string', format => 'pve-storage-path', | |
130 | }, | |
131 | }; | |
132 | } | |
133 | ||
134 | sub options { | |
135 | return { | |
136 | path => { fixed => 1 }, | |
137 | monhost => { optional => 1}, | |
138 | nodes => { optional => 1 }, | |
139 | subdir => { optional => 1 }, | |
140 | disable => { optional => 1 }, | |
141 | options => { optional => 1 }, | |
142 | username => { optional => 1 }, | |
143 | content => { optional => 1 }, | |
144 | format => { optional => 1 }, | |
145 | mkdir => { optional => 1 }, | |
146 | fuse => { optional => 1 }, | |
147 | bwlimit => { optional => 1 }, | |
d35a0b4b | 148 | maxfiles => { optional => 1 }, |
3353698f | 149 | 'prune-backups' => { optional => 1 }, |
e34ce144 AA |
150 | }; |
151 | } | |
152 | ||
153 | sub check_config { | |
154 | my ($class, $sectionId, $config, $create, $skipSchemaCheck) = @_; | |
155 | ||
156 | $config->{path} = "/mnt/pve/$sectionId" if $create && !$config->{path}; | |
157 | ||
158 | return $class->SUPER::check_config($sectionId, $config, $create, $skipSchemaCheck); | |
159 | } | |
160 | ||
161 | # Storage implementation | |
162 | ||
163 | sub on_add_hook { | |
164 | my ($class, $storeid, $scfg, %param) = @_; | |
165 | ||
166 | return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph | |
167 | ||
4050fcc1 | 168 | PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid); |
f3ccd0ef FE |
169 | |
170 | return; | |
e34ce144 AA |
171 | } |
172 | ||
173 | sub on_delete_hook { | |
174 | my ($class, $storeid, $scfg) = @_; | |
175 | ||
176 | return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph | |
177 | ||
4050fcc1 | 178 | PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid); |
f3ccd0ef FE |
179 | |
180 | return; | |
e34ce144 AA |
181 | } |
182 | ||
183 | sub status { | |
184 | my ($class, $storeid, $scfg, $cache) = @_; | |
185 | ||
5402cea5 | 186 | $cache->{mountdata} //= PVE::ProcFSTools::parse_proc_mounts(); |
e34ce144 AA |
187 | |
188 | return undef if !cephfs_is_mounted($scfg, $storeid, $cache->{mountdata}); | |
189 | ||
190 | return $class->SUPER::status($storeid, $scfg, $cache); | |
191 | } | |
192 | ||
193 | sub activate_storage { | |
194 | my ($class, $storeid, $scfg, $cache) = @_; | |
195 | ||
5402cea5 | 196 | $cache->{mountdata} //= PVE::ProcFSTools::parse_proc_mounts(); |
e34ce144 | 197 | |
5402cea5 | 198 | # NOTE: mkpath may hang if storage is mounted but not reachable |
e34ce144 | 199 | if (!cephfs_is_mounted($scfg, $storeid, $cache->{mountdata})) { |
5402cea5 | 200 | my $path = $scfg->{path}; |
e34ce144 AA |
201 | |
202 | mkpath $path if !(defined($scfg->{mkdir}) && !$scfg->{mkdir}); | |
203 | ||
204 | die "unable to activate storage '$storeid' - " . | |
205 | "directory '$path' does not exist\n" if ! -d $path; | |
206 | ||
207 | cephfs_mount($scfg, $storeid); | |
208 | } | |
209 | ||
210 | $class->SUPER::activate_storage($storeid, $scfg, $cache); | |
211 | } | |
212 | ||
213 | sub deactivate_storage { | |
214 | my ($class, $storeid, $scfg, $cache) = @_; | |
215 | ||
5402cea5 | 216 | $cache->{mountdata} //= PVE::ProcFSTools::parse_proc_mounts(); |
e34ce144 AA |
217 | |
218 | my $path = $scfg->{path}; | |
219 | ||
220 | if (cephfs_is_mounted($scfg, $storeid, $cache->{mountdata})) { | |
5402cea5 | 221 | run_command(['/bin/umount', $path], errmsg => 'umount error'); |
e34ce144 AA |
222 | } |
223 | } | |
224 | ||
2bce96c5 DW |
225 | sub get_volume_notes { |
226 | my $class = shift; | |
227 | PVE::Storage::DirPlugin::get_volume_notes($class, @_); | |
228 | } | |
229 | ||
230 | sub update_volume_notes { | |
231 | my $class = shift; | |
232 | PVE::Storage::DirPlugin::update_volume_notes($class, @_); | |
233 | } | |
234 | ||
e34ce144 | 235 | 1; |