pve-storage/PVE/API2/Storage/Config.pm
2011-09-07 12:01:25 +02:00

332 lines
7.7 KiB
Perl
Executable File

package PVE::API2::Storage::Config;
use strict;
use warnings;
use PVE::SafeSyslog;
use PVE::Cluster qw(cfs_read_file cfs_write_file);
use PVE::Storage;
use HTTP::Status qw(:constants);
use Storable qw(dclone);
use PVE::JSONSchema qw(get_standard_option);
use Data::Dumper; # fixme: remove
use PVE::RESTHandler;
use base qw(PVE::RESTHandler);
my @ctypes = qw(images vztmpl iso backup);
my $storage_type_enum = ['dir', 'nfs', 'lvm', 'iscsi'];
my $api_storage_config = sub {
my ($cfg, $storeid) = @_;
my $scfg = dclone(PVE::Storage::storage_config ($cfg, $storeid));
$scfg->{storage} = $storeid;
delete $scfg->{priority};
$scfg->{digest} = $cfg->{digest};
$scfg->{content} = PVE::Storage::content_hash_to_string($scfg->{content});
if ($scfg->{nodes}) {
$scfg->{nodes} = join(',', keys(%{$scfg->{nodes}}));
}
return $scfg;
};
__PACKAGE__->register_method ({
name => 'index',
path => '',
method => 'GET',
description => "Storage index.",
parameters => {
additionalProperties => 0,
properties => {
type => {
description => "Only list storage of specific type",
type => 'string',
enum => $storage_type_enum,
optional => 1,
},
},
},
returns => {
type => 'array',
items => {
type => "object",
properties => { storage => { type => 'string'} },
},
links => [ { rel => 'child', href => "{storage}" } ],
},
code => sub {
my ($param) = @_;
my $cfg = cfs_read_file("storage.cfg");
my @sids = PVE::Storage::storage_ids($cfg);
my $res = [];
foreach my $storeid (@sids) {
my $scfg = &$api_storage_config($cfg, $storeid);
next if $param->{type} && $param->{type} ne $scfg->{type};
push @$res, $scfg;
}
return $res;
}});
__PACKAGE__->register_method ({
name => 'read',
path => '{storage}',
method => 'GET',
description => "Read storage configuration.",
parameters => {
additionalProperties => 0,
properties => {
storage => get_standard_option('pve-storage-id'),
},
},
returns => {},
code => sub {
my ($param) = @_;
my $cfg = cfs_read_file("storage.cfg");
return &$api_storage_config($cfg, $param->{storage});
}});
__PACKAGE__->register_method ({
name => 'create',
protected => 1,
path => '',
method => 'POST',
description => "Create a new storage.",
parameters => {
additionalProperties => 0,
properties => {
storage => get_standard_option('pve-storage-id'),
nodes => get_standard_option('pve-node-list', { optional => 1 }),
type => {
type => 'string',
enum => $storage_type_enum,
},
path => {
type => 'string', format => 'pve-storage-path',
optional => 1,
},
export => {
type => 'string', format => 'pve-storage-path',
optional => 1,
},
server => {
type => 'string', format => 'pve-storage-server',
optional => 1,
},
options => {
type => 'string', format => 'pve-storage-options',
optional => 1,
},
target => {
type => 'string',
optional => 1,
},
vgname => {
type => 'string', format => 'pve-storage-vgname',
optional => 1,
},
base => {
type => 'string', format => 'pve-volume-id',
optional => 1,
},
portal => {
type => 'string', format => 'pve-storage-portal-dns',
optional => 1,
},
content => {
type => 'string', format => 'pve-storage-content-list',
optional => 1,
},
disable => {
type => 'boolean',
optional => 1,
},
shared => {
type => 'boolean',
optional => 1,
},
'format' => {
type => 'string', format => 'pve-storage-format',
optional => 1,
},
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
my $type = $param->{type};
delete $param->{type};
my $storeid = $param->{storage};
delete $param->{storage};
if ($param->{portal}) {
$param->{portal} = PVE::Storage::resolv_portal($param->{portal});
}
my $opts = PVE::Storage::parse_options($storeid, $type, $param, 1);
PVE::Storage::lock_storage_config(
sub {
my $cfg = cfs_read_file('storage.cfg');
if (my $scfg = PVE::Storage::storage_config ($cfg, $storeid, 1)) {
die "storage ID '$storeid' already defined\n";
}
$cfg->{ids}->{$storeid} = $opts;
if ($type eq 'lvm' && $opts->{base}) {
my ($baseid, $volname) = PVE::Storage::parse_volume_id ($opts->{base});
my $basecfg = PVE::Storage::storage_config ($cfg, $baseid, 1);
die "base storage ID '$baseid' does not exist\n" if !$basecfg;
# we only support iscsi for now
if (!($basecfg->{type} eq 'iscsi')) {
die "unsupported base type '$basecfg->{type}'";
}
my $path = PVE::Storage::path ($cfg, $opts->{base});
PVE::Storage::activate_storage($cfg, $baseid);
PVE::Storage::lvm_create_volume_group ($path, $opts->{vgname}, $opts->{shared});
}
# try to activate if enabled on local node,
# we only do this to detect errors/problems sooner
if (PVE::Storage::storage_check_enabled($cfg, $storeid, undef, 1)) {
PVE::Storage::activate_storage($cfg, $storeid);
}
cfs_write_file('storage.cfg', $cfg);
}, "create storage failed");
}});
__PACKAGE__->register_method ({
name => 'update',
protected => 1,
path => '{storage}',
method => 'PUT',
description => "Update storage configuration.",
parameters => {
additionalProperties => 0,
properties => {
storage => get_standard_option('pve-storage-id'),
nodes => get_standard_option('pve-node-list', { optional => 1 }),
content => {
type => 'string', format => 'pve-storage-content-list',
optional => 1,
},
'format' => {
type => 'string', format => 'pve-storage-format',
optional => 1,
},
disable => {
type => 'boolean',
optional => 1,
},
shared => {
type => 'boolean',
optional => 1,
},
options => {
type => 'string', format => 'pve-storage-options',
optional => 1,
},
digest => {
type => 'string',
description => 'Prevent changes if current configuration file has different SHA1 digest. This can be used to prevent concurrent modifications.',
maxLength => 40,
optional => 1,
}
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
my $storeid = $param->{storage};
delete($param->{storage});
my $digest = $param->{digest};
delete($param->{digest});
PVE::Storage::lock_storage_config(
sub {
my $cfg = cfs_read_file('storage.cfg');
PVE::Storage::assert_if_modified ($cfg, $digest);
my $scfg = PVE::Storage::storage_config ($cfg, $storeid);
my $opts = PVE::Storage::parse_options($storeid, $scfg->{type}, $param);
foreach my $k (%$opts) {
$scfg->{$k} = $opts->{$k};
}
cfs_write_file('storage.cfg', $cfg);
}, "update storage failed");
return undef;
}});
__PACKAGE__->register_method ({
name => 'delete',
protected => 1,
path => '{storage}', # /storage/config/{storage}
method => 'DELETE',
description => "Delete storage configuration.",
parameters => {
additionalProperties => 0,
properties => {
storage => get_standard_option('pve-storage-id'),
},
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
my $storeid = $param->{storage};
delete($param->{storage});
PVE::Storage::lock_storage_config(
sub {
my $cfg = cfs_read_file('storage.cfg');
die "can't remove storage - storage is used as base of another storage\n"
if PVE::Storage::storage_is_used ($cfg, $storeid);
delete ($cfg->{ids}->{$storeid});
cfs_write_file('storage.cfg', $cfg);
}, "delete storage failed");
return undef;
}});
1;