860 lines
21 KiB
Perl
860 lines
21 KiB
Perl
package PVE::Storage::Plugin;
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use strict;
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use warnings;
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use File::chdir;
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use File::Path;
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use PVE::Tools qw(run_command);
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use PVE::JSONSchema qw(get_standard_option);
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use PVE::Cluster qw(cfs_register_file);
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use Data::Dumper;
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use base qw(PVE::SectionConfig);
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cfs_register_file ('storage.cfg',
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sub { __PACKAGE__->parse_config(@_); },
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sub { __PACKAGE__->write_config(@_); });
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my $defaultData = {
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propertyList => {
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type => { description => "Storage type." },
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storage => get_standard_option('pve-storage-id'),
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nodes => get_standard_option('pve-node-list', { optional => 1 }),
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content => {
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description => "Allowed content types. Note: value 'rootdir' is used for Containers, and value 'images' for KVM-Qemu VM's.\n",
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type => 'string', format => 'pve-storage-content-list',
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optional => 1,
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},
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disable => {
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description => "Flag to disable the storage.",
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type => 'boolean',
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optional => 1,
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},
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maxfiles => {
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description => "Maximal number of backup files per VM. Use '0' for unlimted.",
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type => 'integer',
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minimum => 0,
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optional => 1,
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},
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shared => {
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description => "Mark storage as shared.",
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type => 'boolean',
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optional => 1,
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},
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'format' => {
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description => "Default Image format.",
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type => 'string', format => 'pve-storage-format',
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optional => 1,
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},
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},
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};
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sub content_hash_to_string {
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my $hash = shift;
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my @cta;
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foreach my $ct (keys %$hash) {
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push @cta, $ct if $hash->{$ct};
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}
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return join(',', @cta);
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}
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sub valid_content_types {
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my ($type) = @_;
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my $def = $defaultData->{plugindata}->{$type};
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return {} if !$def;
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return $def->{content}->[0];
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}
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sub default_format {
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my ($scfg) = @_;
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my $type = $scfg->{type};
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my $def = $defaultData->{plugindata}->{$type};
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my $def_format = 'raw';
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my $valid_formats = [ $def_format ];
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if (defined($def->{format})) {
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$def_format = $scfg->{format} || $def->{format}->[1];
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$valid_formats = [ sort keys %{$def->{format}->[0]} ];
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}
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return wantarray ? ($def_format, $valid_formats) : $def_format;
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}
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PVE::JSONSchema::register_format('pve-storage-path', \&verify_path);
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sub verify_path {
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my ($path, $noerr) = @_;
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# fixme: exclude more shell meta characters?
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# we need absolute paths
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if ($path !~ m|^/[^;\(\)]+|) {
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return undef if $noerr;
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die "value does not look like a valid absolute path\n";
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}
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return $path;
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}
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PVE::JSONSchema::register_format('pve-storage-server', \&verify_server);
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sub verify_server {
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my ($server, $noerr) = @_;
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if (!(PVE::JSONSchema::pve_verify_ip($server, 1) ||
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PVE::JSONSchema::pve_verify_dns_name($server, 1)))
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{
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return undef if $noerr;
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die "value does not look like a valid server name or IP address\n";
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}
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return $server;
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}
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# fixme: do we need this
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#PVE::JSONSchema::register_format('pve-storage-portal', \&verify_portal);
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#sub verify_portal {
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# my ($portal, $noerr) = @_;
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#
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# # IP with optional port
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# if ($portal !~ m/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d+)?$/) {
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# return undef if $noerr;
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# die "value does not look like a valid portal address\n";
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# }
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# return $portal;
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#}
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PVE::JSONSchema::register_format('pve-storage-portal-dns', \&verify_portal_dns);
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sub verify_portal_dns {
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my ($portal, $noerr) = @_;
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# IP or DNS name with optional port
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if (!PVE::Tools::parse_host_and_port($portal)) {
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return undef if $noerr;
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die "value does not look like a valid portal address\n";
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}
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return $portal;
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}
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PVE::JSONSchema::register_format('pve-storage-content', \&verify_content);
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sub verify_content {
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my ($ct, $noerr) = @_;
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my $valid_content = valid_content_types('dir'); # dir includes all types
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if (!$valid_content->{$ct}) {
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return undef if $noerr;
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die "invalid content type '$ct'\n";
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}
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return $ct;
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}
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PVE::JSONSchema::register_format('pve-storage-format', \&verify_format);
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sub verify_format {
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my ($fmt, $noerr) = @_;
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if ($fmt !~ m/(raw|qcow2|vmdk|subvol)/) {
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return undef if $noerr;
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die "invalid format '$fmt'\n";
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}
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return $fmt;
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}
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PVE::JSONSchema::register_format('pve-storage-options', \&verify_options);
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sub verify_options {
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my ($value, $noerr) = @_;
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# mount options (see man fstab)
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if ($value !~ m/^\S+$/) {
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return undef if $noerr;
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die "invalid options '$value'\n";
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}
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return $value;
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}
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PVE::JSONSchema::register_format('pve-volume-id', \&parse_volume_id);
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sub parse_volume_id {
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my ($volid, $noerr) = @_;
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if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) {
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return wantarray ? ($1, $2) : $1;
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}
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return undef if $noerr;
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die "unable to parse volume ID '$volid'\n";
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}
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sub private {
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return $defaultData;
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}
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sub parse_section_header {
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my ($class, $line) = @_;
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if ($line =~ m/^(\S+):\s*(\S+)\s*$/) {
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my ($type, $storeid) = (lc($1), $2);
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my $errmsg = undef; # set if you want to skip whole section
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eval { PVE::JSONSchema::parse_storage_id($storeid); };
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$errmsg = $@ if $@;
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my $config = {}; # to return additional attributes
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return ($type, $storeid, $errmsg, $config);
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}
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return undef;
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}
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sub decode_value {
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my ($class, $type, $key, $value) = @_;
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my $def = $defaultData->{plugindata}->{$type};
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if ($key eq 'content') {
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my $valid_content = $def->{content}->[0];
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my $res = {};
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foreach my $c (PVE::Tools::split_list($value)) {
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if (!$valid_content->{$c}) {
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die "storage does not support content type '$c'\n";
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}
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$res->{$c} = 1;
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}
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if ($res->{none} && scalar (keys %$res) > 1) {
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die "unable to combine 'none' with other content types\n";
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}
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return $res;
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} elsif ($key eq 'format') {
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my $valid_formats = $def->{format}->[0];
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if (!$valid_formats->{$value}) {
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die "storage does not support format '$value'\n";
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}
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return $value;
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} elsif ($key eq 'nodes') {
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my $res = {};
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foreach my $node (PVE::Tools::split_list($value)) {
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if (PVE::JSONSchema::pve_verify_node_name($node)) {
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$res->{$node} = 1;
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}
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}
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# fixme:
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# no node restrictions for local storage
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#if ($storeid && $storeid eq 'local' && scalar(keys(%$res))) {
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# die "storage '$storeid' does not allow node restrictions\n";
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#}
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return $res;
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}
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return $value;
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}
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sub encode_value {
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my ($class, $type, $key, $value) = @_;
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if ($key eq 'nodes') {
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return join(',', keys(%$value));
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} elsif ($key eq 'content') {
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my $res = content_hash_to_string($value) || 'none';
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return $res;
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}
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return $value;
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}
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sub parse_config {
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my ($class, $filename, $raw) = @_;
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my $cfg = $class->SUPER::parse_config($filename, $raw);
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my $ids = $cfg->{ids};
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# make sure we have a reasonable 'local:' storage
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# openvz expects things to be there
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if (!$ids->{local} || $ids->{local}->{type} ne 'dir' ||
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($ids->{local}->{path} && $ids->{local}->{path} ne '/var/lib/vz')) {
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$ids->{local} = {
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type => 'dir',
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priority => 0, # force first entry
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path => '/var/lib/vz',
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maxfiles => 0,
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content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1},
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};
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}
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# we always need this for OpenVZ
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$ids->{local}->{content}->{rootdir} = 1;
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$ids->{local}->{content}->{vztmpl} = 1;
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delete ($ids->{local}->{disable});
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# make sure we have a path
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$ids->{local}->{path} = '/var/lib/vz' if !$ids->{local}->{path};
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# remove node restrictions for local storage
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delete($ids->{local}->{nodes});
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foreach my $storeid (keys %$ids) {
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my $d = $ids->{$storeid};
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my $type = $d->{type};
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my $def = $defaultData->{plugindata}->{$type};
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if ($def->{content}) {
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$d->{content} = $def->{content}->[1] if !$d->{content};
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}
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if ($type eq 'iscsi' || $type eq 'nfs' || $type eq 'rbd' || $type eq 'sheepdog' || $type eq 'iscsidirect' || $type eq 'glusterfs' || $type eq 'zfs' || $type eq 'drbd') {
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$d->{shared} = 1;
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}
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}
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return $cfg;
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}
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# Storage implementation
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sub cluster_lock_storage {
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my ($class, $storeid, $shared, $timeout, $func, @param) = @_;
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my $res;
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if (!$shared) {
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my $lockid = "pve-storage-$storeid";
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my $lockdir = "/var/lock/pve-manager";
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mkdir $lockdir;
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$res = PVE::Tools::lock_file("$lockdir/$lockid", $timeout, $func, @param);
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die $@ if $@;
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} else {
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$res = PVE::Cluster::cfs_lock_storage($storeid, $timeout, $func, @param);
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die $@ if $@;
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}
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return $res;
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}
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sub parse_name_dir {
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my $name = shift;
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if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk|subvol))$!) {
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return ($1, $3, $2); # (name, format, isBase)
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}
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die "unable to parse volume filename '$name'\n";
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}
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sub parse_volname {
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my ($class, $volname) = @_;
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if ($volname =~ m!^(\d+)/(\S+)/(\d+)/(\S+)$!) {
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my ($basedvmid, $basename) = ($1, $2);
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parse_name_dir($basename);
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my ($vmid, $name) = ($3, $4);
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my (undef, $format, $isBase) = parse_name_dir($name);
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return ('images', $name, $vmid, $basename, $basedvmid, $isBase, $format);
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} elsif ($volname =~ m!^(\d+)/(\S+)$!) {
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my ($vmid, $name) = ($1, $2);
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my (undef, $format, $isBase) = parse_name_dir($name);
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return ('images', $name, $vmid, undef, undef, $isBase, $format);
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} elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) {
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return ('iso', $1);
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} elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) {
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return ('vztmpl', $1);
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} elsif ($volname =~ m!^rootdir/(\d+)$!) {
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return ('rootdir', $1, $1);
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} elsif ($volname =~ m!^backup/([^/]+(\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo)))$!) {
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my $fn = $1;
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if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) {
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return ('backup', $fn, $2);
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}
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return ('backup', $fn);
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}
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die "unable to parse directory volume name '$volname'\n";
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}
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my $vtype_subdirs = {
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images => 'images',
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rootdir => 'private',
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iso => 'template/iso',
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vztmpl => 'template/cache',
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backup => 'dump',
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};
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sub get_subdir {
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my ($class, $scfg, $vtype) = @_;
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my $path = $scfg->{path};
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die "storage definintion has no path\n" if !$path;
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my $subdir = $vtype_subdirs->{$vtype};
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die "unknown vtype '$vtype'\n" if !defined($subdir);
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return "$path/$subdir";
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}
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sub filesystem_path {
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my ($class, $scfg, $volname, $snapname) = @_;
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my ($vtype, $name, $vmid, undef, undef, $isBase, $format) =
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$class->parse_volname($volname);
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# Note: qcow2/qed has internal snapshot, so path is always
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# the same (with or without snapshot => same file).
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die "can't snapshot this image format\n"
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if defined($snapname) && $format !~ m/^(qcow2|qed)$/;
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my $dir = $class->get_subdir($scfg, $vtype);
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$dir .= "/$vmid" if $vtype eq 'images';
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my $path = "$dir/$name";
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return wantarray ? ($path, $vmid, $vtype) : $path;
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}
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sub path {
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my ($class, $scfg, $volname, $storeid, $snapname) = @_;
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return $class->filesystem_path($scfg, $volname, $snapname);
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}
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sub create_base {
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my ($class, $storeid, $scfg, $volname) = @_;
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# this only works for file based storage types
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die "storage definintion has no path\n" if !$scfg->{path};
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my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) =
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$class->parse_volname($volname);
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die "create_base on wrong vtype '$vtype'\n" if $vtype ne 'images';
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die "create_base not possible with base image\n" if $isBase;
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my $path = $class->filesystem_path($scfg, $volname);
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my ($size, undef, $used, $parent) = file_size_info($path);
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die "file_size_info on '$volname' failed\n" if !($format && defined($size));
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die "volname '$volname' contains wrong information about parent\n"
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if $basename && (!$parent || $parent ne "../$basevmid/$basename");
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my $newname = $name;
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$newname =~ s/^vm-/base-/;
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my $newvolname = $basename ? "$basevmid/$basename/$vmid/$newname" :
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"$vmid/$newname";
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my $newpath = $class->filesystem_path($scfg, $newvolname);
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die "file '$newpath' already exists\n" if -f $newpath;
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rename($path, $newpath) ||
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die "rename '$path' to '$newpath' failed - $!\n";
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# We try to protect base volume
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chmod(0444, $newpath); # nobody should write anything
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# also try to set immutable flag
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eval { run_command(['/usr/bin/chattr', '+i', $newpath]); };
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warn $@ if $@;
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return $newvolname;
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}
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my $find_free_diskname = sub {
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my ($imgdir, $vmid, $fmt) = @_;
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my $disk_ids = {};
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PVE::Tools::dir_glob_foreach($imgdir,
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qr!(vm|base)-$vmid-disk-(\d+)\..*!,
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sub {
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my ($fn, $type, $disk) = @_;
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$disk_ids->{$disk} = 1;
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});
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for (my $i = 1; $i < 100; $i++) {
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if (!$disk_ids->{$i}) {
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return "vm-$vmid-disk-$i.$fmt";
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}
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}
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die "unable to allocate a new image name for VM $vmid in '$imgdir'\n";
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};
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sub clone_image {
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my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
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# this only works for file based storage types
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die "storage definintion has no path\n" if !$scfg->{path};
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my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) =
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$class->parse_volname($volname);
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die "clone_image on wrong vtype '$vtype'\n" if $vtype ne 'images';
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die "this storage type does not support clone_image on snapshot\n" if $snap;
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die "this storage type does not support clone_image on subvolumes\n" if $format eq 'subvol';
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die "clone_image only works on base images\n" if !$isBase;
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my $imagedir = $class->get_subdir($scfg, 'images');
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$imagedir .= "/$vmid";
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|
|
mkpath $imagedir;
|
|
|
|
my $name = &$find_free_diskname($imagedir, $vmid, "qcow2");
|
|
|
|
warn "clone $volname: $vtype, $name, $vmid to $name (base=../$basevmid/$basename)\n";
|
|
|
|
my $newvol = "$basevmid/$basename/$vmid/$name";
|
|
|
|
my $path = $class->filesystem_path($scfg, $newvol);
|
|
|
|
# Note: we use relative paths, so we need to call chdir before qemu-img
|
|
eval {
|
|
local $CWD = $imagedir;
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename",
|
|
'-f', 'qcow2', $path];
|
|
|
|
run_command($cmd);
|
|
};
|
|
my $err = $@;
|
|
|
|
die $err if $err;
|
|
|
|
return $newvol;
|
|
}
|
|
|
|
sub alloc_image {
|
|
my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
|
|
|
|
my $imagedir = $class->get_subdir($scfg, 'images');
|
|
$imagedir .= "/$vmid";
|
|
|
|
mkpath $imagedir;
|
|
|
|
$name = &$find_free_diskname($imagedir, $vmid, $fmt) if !$name;
|
|
|
|
my (undef, $tmpfmt) = parse_name_dir($name);
|
|
|
|
die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n"
|
|
if $tmpfmt ne $fmt;
|
|
|
|
my $path = "$imagedir/$name";
|
|
|
|
die "disk image '$path' already exists\n" if -e $path;
|
|
|
|
if ($fmt eq 'subvol') {
|
|
# only allow this if size = 0, so that user knows what he is doing
|
|
die "storage does not support subvol quotas\n" if $size != 0;
|
|
|
|
(mkdir $path) || die "unable to create subvol '$path' - $!\n";
|
|
} else {
|
|
my $cmd = ['/usr/bin/qemu-img', 'create'];
|
|
|
|
push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2';
|
|
|
|
push @$cmd, '-f', $fmt, $path, "${size}K";
|
|
|
|
run_command($cmd, errmsg => "unable to create image");
|
|
}
|
|
|
|
return "$vmid/$name";
|
|
}
|
|
|
|
sub free_image {
|
|
my ($class, $storeid, $scfg, $volname, $isBase, $format) = @_;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
if ($format eq 'subvol') {
|
|
File::Path::remove_tree($path);
|
|
} else {
|
|
|
|
if (! -f $path) {
|
|
warn "disk image '$path' does not exists\n";
|
|
return undef;
|
|
}
|
|
|
|
if ($isBase) {
|
|
# try to remove immutable flag
|
|
eval { run_command(['/usr/bin/chattr', '-i', $path]); };
|
|
warn $@ if $@;
|
|
}
|
|
|
|
unlink($path) || die "unlink '$path' failed - $!\n";
|
|
}
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub file_size_info {
|
|
my ($filename, $timeout) = @_;
|
|
|
|
if (-d $filename) {
|
|
return wantarray ? (0, 'subvol', 0, undef) : 1;
|
|
}
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'info', $filename];
|
|
|
|
my $format;
|
|
my $parent;
|
|
my $size = 0;
|
|
my $used = 0;
|
|
|
|
eval {
|
|
run_command($cmd, timeout => $timeout, outfunc => sub {
|
|
my $line = shift;
|
|
if ($line =~ m/^file format:\s+(\S+)\s*$/) {
|
|
$format = $1;
|
|
} elsif ($line =~ m/^backing file:\s(\S+)\s/) {
|
|
$parent = $1;
|
|
} elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) {
|
|
$size = int($1);
|
|
} elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) {
|
|
$used = $1;
|
|
my $u = $3;
|
|
|
|
$used *= 1024 if $u eq 'K';
|
|
$used *= (1024*1024) if $u eq 'M';
|
|
$used *= (1024*1024*1024) if $u eq 'G';
|
|
$used *= (1024*1024*1024*1024) if $u eq 'T';
|
|
|
|
$used = int($used);
|
|
}
|
|
});
|
|
};
|
|
|
|
return wantarray ? ($size, $format, $used, $parent) : $size;
|
|
}
|
|
|
|
sub volume_size_info {
|
|
my ($class, $scfg, $storeid, $volname, $timeout) = @_;
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
return file_size_info($path, $timeout);
|
|
|
|
}
|
|
|
|
sub volume_resize {
|
|
my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
|
|
|
|
die "can't resize this image format\n" if $volname !~ m/\.(raw|qcow2)$/;
|
|
|
|
return 1 if $running;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'resize', $path , $size];
|
|
|
|
run_command($cmd, timeout => 10);
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub volume_snapshot {
|
|
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
|
|
|
die "can't snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'snapshot','-c', $snap, $path];
|
|
|
|
run_command($cmd);
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub volume_rollback_is_possible {
|
|
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
|
|
|
return 1;
|
|
}
|
|
|
|
sub volume_snapshot_rollback {
|
|
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
|
|
|
die "can't rollback snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'snapshot','-a', $snap, $path];
|
|
|
|
run_command($cmd);
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub volume_snapshot_delete {
|
|
my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
|
|
|
|
die "can't delete snapshot for this image format\n" if $volname !~ m/\.(qcow2|qed)$/;
|
|
|
|
return 1 if $running;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
my $cmd = ['/usr/bin/qemu-img', 'snapshot','-d', $snap, $path];
|
|
|
|
run_command($cmd);
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub volume_has_feature {
|
|
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
|
|
|
|
my $features = {
|
|
snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} },
|
|
clone => { base => {qcow2 => 1, raw => 1, vmdk => 1} },
|
|
template => { current => {qcow2 => 1, raw => 1, vmdk => 1, subvol => 1} },
|
|
copy => { base => {qcow2 => 1, raw => 1, vmdk => 1},
|
|
current => {qcow2 => 1, raw => 1, vmdk => 1},
|
|
snap => {qcow2 => 1} },
|
|
};
|
|
|
|
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) =
|
|
$class->parse_volname($volname);
|
|
|
|
my $key = undef;
|
|
if($snapname){
|
|
$key = 'snap';
|
|
}else{
|
|
$key = $isBase ? 'base' : 'current';
|
|
}
|
|
|
|
return 1 if defined($features->{$feature}->{$key}->{$format});
|
|
|
|
return undef;
|
|
}
|
|
|
|
sub list_images {
|
|
my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
|
|
|
|
my $imagedir = $class->get_subdir($scfg, 'images');
|
|
|
|
my ($defFmt, $vaidFmts) = default_format($scfg);
|
|
my $fmts = join ('|', @$vaidFmts);
|
|
|
|
my $res = [];
|
|
|
|
foreach my $fn (<$imagedir/[0-9][0-9]*/*>) {
|
|
|
|
next if $fn !~ m!^(/.+/(\d+)/([^/]+\.($fmts)))$!;
|
|
$fn = $1; # untaint
|
|
|
|
my $owner = $2;
|
|
my $name = $3;
|
|
|
|
next if !$vollist && defined($vmid) && ($owner ne $vmid);
|
|
|
|
my ($size, $format, $used, $parent) = file_size_info($fn);
|
|
next if !($format && defined($size));
|
|
|
|
my $volid;
|
|
if ($parent && $parent =~ m!^../(\d+)/([^/]+\.($fmts))$!) {
|
|
my ($basevmid, $basename) = ($1, $2);
|
|
$volid = "$storeid:$basevmid/$basename/$owner/$name";
|
|
} else {
|
|
$volid = "$storeid:$owner/$name";
|
|
}
|
|
|
|
if ($vollist) {
|
|
my $found = grep { $_ eq $volid } @$vollist;
|
|
next if !$found;
|
|
}
|
|
|
|
push @$res, {
|
|
volid => $volid, format => $format,
|
|
size => $size, vmid => $owner, used => $used, parent => $parent
|
|
};
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
sub status {
|
|
my ($class, $storeid, $scfg, $cache) = @_;
|
|
|
|
my $path = $scfg->{path};
|
|
|
|
die "storage definintion has no path\n" if !$path;
|
|
|
|
my $timeout = 2;
|
|
my $res = PVE::Tools::df($path, $timeout);
|
|
|
|
return undef if !$res || !$res->{total};
|
|
|
|
return ($res->{total}, $res->{avail}, $res->{used}, 1);
|
|
}
|
|
|
|
sub activate_storage {
|
|
my ($class, $storeid, $scfg, $cache) = @_;
|
|
|
|
my $path = $scfg->{path};
|
|
|
|
die "storage definintion has no path\n" if !$path;
|
|
|
|
die "unable to activate storage '$storeid' - " .
|
|
"directory '$path' does not exist\n" if ! -d $path;
|
|
|
|
if (defined($scfg->{content})) {
|
|
foreach my $vtype (keys %$vtype_subdirs) {
|
|
# OpenVZMigrate uses backup (dump) dir
|
|
if (defined($scfg->{content}->{$vtype}) ||
|
|
($vtype eq 'backup' && defined($scfg->{content}->{'rootdir'}))) {
|
|
my $subdir = $class->get_subdir($scfg, $vtype);
|
|
mkpath $subdir if $subdir ne $path;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub deactivate_storage {
|
|
my ($class, $storeid, $scfg, $cache) = @_;
|
|
|
|
# do nothing by default
|
|
}
|
|
|
|
sub activate_volume {
|
|
my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
|
|
|
|
my $path = $class->filesystem_path($scfg, $volname);
|
|
|
|
# check is volume exists
|
|
if ($scfg->{path}) {
|
|
die "volume '$storeid:$volname' does not exist\n" if ! -e $path;
|
|
} else {
|
|
die "volume '$storeid:$volname' does not exist\n" if ! -b $path;
|
|
}
|
|
}
|
|
|
|
sub deactivate_volume {
|
|
my ($class, $storeid, $scfg, $volname, $cache) = @_;
|
|
|
|
# do nothing by default
|
|
}
|
|
|
|
sub check_connection {
|
|
my ($class, $storeid, $scfg) = @_;
|
|
# do nothing by default
|
|
return 1;
|
|
}
|
|
|
|
|
|
1;
|