]>
git.proxmox.com Git - pve-storage.git/blob - src/PVE/Storage/GlusterfsPlugin.pm
1 package PVE
::Storage
::GlusterfsPlugin
;
7 use PVE
::Tools
qw(run_command);
10 use PVE
::Storage
::Plugin
;
11 use PVE
::JSONSchema
qw(get_standard_option);
13 use base
qw(PVE::Storage::Plugin);
15 # Glusterfs helper functions
17 my $server_test_results = {};
19 my $get_active_server = sub {
20 my ($scfg, $return_default_if_offline) = @_;
22 my $defaultserver = $scfg->{server
} ?
$scfg->{server
} : 'localhost';
24 if ($return_default_if_offline && !defined($scfg->{server2
})) {
25 # avoid delays (there is no backup server anyways)
26 return $defaultserver;
29 my $serverlist = [ $defaultserver ];
30 push @$serverlist, $scfg->{server2
} if $scfg->{server2
};
33 foreach my $server (@$serverlist) {
34 my $stat = $server_test_results->{$server};
35 return $server if $stat && $stat->{active
} && (($ctime - $stat->{time}) <= 2);
38 foreach my $server (@$serverlist) {
41 if ($server && $server ne 'localhost' && $server ne '127.0.0.1' && $server ne '::1') {
42 # ping the gluster daemon default port (24007) as heuristic
43 $status = PVE
::Network
::tcp_ping
($server, 24007, 2);
50 if ($line =~ m/Status: Started$/) {
55 my $cmd = ['/usr/sbin/gluster', 'volume', 'info', $scfg->{volume
}];
57 run_command
($cmd, errmsg
=> "glusterfs error", errfunc
=> sub {}, outfunc
=> $parser);
60 $server_test_results->{$server} = { time => time(), active
=> $status };
61 return $server if $status;
64 return $defaultserver if $return_default_if_offline;
69 sub glusterfs_is_mounted
{
70 my ($volume, $mountpoint, $mountdata) = @_;
72 $mountdata = PVE
::ProcFSTools
::parse_proc_mounts
() if !$mountdata;
74 return $mountpoint if grep {
75 $_->[2] eq 'fuse.glusterfs' &&
76 $_->[0] =~ /^\S+:\Q$volume\E$/ &&
77 $_->[1] eq $mountpoint
83 my ($server, $volume, $mountpoint) = @_;
85 my $source = "$server:$volume";
87 my $cmd = ['/bin/mount', '-t', 'glusterfs', $source, $mountpoint];
89 run_command
($cmd, errmsg
=> "mount error");
100 content
=> [ { images
=> 1, vztmpl
=> 1, iso
=> 1, backup
=> 1, snippets
=> 1},
102 format
=> [ { raw
=> 1, qcow2
=> 1, vmdk
=> 1 } , 'raw' ],
109 description
=> "Glusterfs Volume.",
113 description
=> "Backup volfile server IP or DNS name.",
114 type
=> 'string', format
=> 'pve-storage-server',
115 requires
=> 'server',
118 description
=> "Gluster transport: tcp or rdma",
120 enum
=> ['tcp', 'rdma', 'unix'],
127 path
=> { fixed
=> 1 },
128 server
=> { optional
=> 1 },
129 server2
=> { optional
=> 1 },
130 volume
=> { fixed
=> 1 },
131 transport
=> { optional
=> 1 },
132 nodes
=> { optional
=> 1 },
133 disable
=> { optional
=> 1 },
134 maxfiles
=> { optional
=> 1 },
135 'prune-backups' => { optional
=> 1 },
136 'max-protected-backups' => { optional
=> 1 },
137 content
=> { optional
=> 1 },
138 format
=> { optional
=> 1 },
139 mkdir => { optional
=> 1 },
140 bwlimit
=> { optional
=> 1 },
141 preallocation
=> { optional
=> 1 },
147 my ($class, $sectionId, $config, $create, $skipSchemaCheck) = @_;
149 $config->{path
} = "/mnt/pve/$sectionId" if $create && !$config->{path
};
151 return $class->SUPER::check_config
($sectionId, $config, $create, $skipSchemaCheck);
154 # Storage implementation
159 if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk))$!) {
163 die "unable to parse volume filename '$name'\n";
167 my ($class, $scfg, $volname, $storeid, $snapname) = @_;
169 my ($vtype, $name, $vmid, undef, undef, $isBase, $format) =
170 $class->parse_volname($volname);
172 # Note: qcow2/qed has internal snapshot, so path is always
173 # the same (with or without snapshot => same file).
174 die "can't snapshot this image format\n"
175 if defined($snapname) && $format !~ m/^(qcow2|qed)$/;
178 if ($vtype eq 'images') {
180 my $server = &$get_active_server($scfg, 1);
181 my $glustervolume = $scfg->{volume
};
182 my $transport = $scfg->{transport
};
183 my $protocol = "gluster";
186 $protocol = "gluster+$transport";
189 $path = "$protocol://$server/$glustervolume/images/$vmid/$name";
192 my $dir = $class->get_subdir($scfg, $vtype);
193 $path = "$dir/$name";
196 return wantarray ?
($path, $vmid, $vtype) : $path;
200 my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
202 die "storage definition has no path\n" if !$scfg->{path
};
204 my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) =
205 $class->parse_volname($volname);
207 die "clone_image on wrong vtype '$vtype'\n" if $vtype ne 'images';
209 die "this storage type does not support clone_image on snapshot\n" if $snap;
211 die "this storage type does not support clone_image on subvolumes\n" if $format eq 'subvol';
213 die "clone_image only works on base images\n" if !$isBase;
215 my $imagedir = $class->get_subdir($scfg, 'images');
216 $imagedir .= "/$vmid";
220 my $name = $class->find_free_diskname($storeid, $scfg, $vmid, "qcow2", 1);
222 warn "clone $volname: $vtype, $name, $vmid to $name (base=../$basevmid/$basename)\n";
224 my $path = "$imagedir/$name";
226 die "disk image '$path' already exists\n" if -e
$path;
228 my $server = &$get_active_server($scfg, 1);
229 my $glustervolume = $scfg->{volume
};
230 my $volumepath = "gluster://$server/$glustervolume/images/$vmid/$name";
232 my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename",
233 '-F', $format, '-f', 'qcow2', $volumepath];
235 run_command
($cmd, errmsg
=> "unable to create image");
237 return "$basevmid/$basename/$vmid/$name";
241 my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
243 my $imagedir = $class->get_subdir($scfg, 'images');
244 $imagedir .= "/$vmid";
248 $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1) if !$name;
250 my (undef, $tmpfmt) = parse_name_dir
($name);
252 die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n"
255 my $path = "$imagedir/$name";
257 die "disk image '$path' already exists\n" if -e
$path;
259 my $server = &$get_active_server($scfg, 1);
260 my $glustervolume = $scfg->{volume
};
261 my $volumepath = "gluster://$server/$glustervolume/images/$vmid/$name";
263 my $cmd = ['/usr/bin/qemu-img', 'create'];
265 my $prealloc_opt = PVE
::Storage
::Plugin
::preallocation_cmd_option
($scfg, $fmt);
266 push @$cmd, '-o', $prealloc_opt if defined($prealloc_opt);
268 push @$cmd, '-f', $fmt, $volumepath, "${size}K";
270 eval { run_command
($cmd, errmsg
=> "unable to create image"); };
277 return "$vmid/$name";
281 my ($class, $storeid, $scfg, $cache) = @_;
283 $cache->{mountdata
} = PVE
::ProcFSTools
::parse_proc_mounts
()
284 if !$cache->{mountdata
};
286 my $path = $scfg->{path
};
288 my $volume = $scfg->{volume
};
290 return undef if !glusterfs_is_mounted
($volume, $path, $cache->{mountdata
});
292 return $class->SUPER::status
($storeid, $scfg, $cache);
295 sub activate_storage
{
296 my ($class, $storeid, $scfg, $cache) = @_;
298 $cache->{mountdata
} = PVE
::ProcFSTools
::parse_proc_mounts
()
299 if !$cache->{mountdata
};
301 my $path = $scfg->{path
};
302 my $volume = $scfg->{volume
};
304 if (!glusterfs_is_mounted
($volume, $path, $cache->{mountdata
})) {
306 mkpath
$path if !(defined($scfg->{mkdir}) && !$scfg->{mkdir});
308 die "unable to activate storage '$storeid' - " .
309 "directory '$path' does not exist\n" if ! -d
$path;
311 my $server = &$get_active_server($scfg, 1);
313 glusterfs_mount
($server, $volume, $path);
316 $class->SUPER::activate_storage
($storeid, $scfg, $cache);
319 sub deactivate_storage
{
320 my ($class, $storeid, $scfg, $cache) = @_;
322 $cache->{mountdata
} = PVE
::ProcFSTools
::parse_proc_mounts
()
323 if !$cache->{mountdata
};
325 my $path = $scfg->{path
};
326 my $volume = $scfg->{volume
};
328 if (glusterfs_is_mounted
($volume, $path, $cache->{mountdata
})) {
329 my $cmd = ['/bin/umount', $path];
330 run_command
($cmd, errmsg
=> 'umount error');
334 sub activate_volume
{
335 my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
337 # do nothing by default
340 sub deactivate_volume
{
341 my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
343 # do nothing by default
346 sub check_connection
{
347 my ($class, $storeid, $scfg, $cache) = @_;
349 my $server = &$get_active_server($scfg);
351 return defined($server) ?
1 : 0;