api: disks: delete: add flag for wiping disks

[pve-storage.git] / PVE / API2 / Disks / ZFS.pm

diff --git a/PVE/API2/Disks/ZFS.pm b/PVE/API2/Disks/ZFS.pm
index e8927123da265b7ea72404bee1608cbd609e4e96..10b73a5cf3d78aa66a46b6be94df49feabc1f4d9 100644 (file)
--- a/PVE/API2/Disks/ZFS.pm
+++ b/PVE/API2/Disks/ZFS.pm
@@ -460,6 +460,12 @@ __PACKAGE__->register_method ({
        properties => {
            node => get_standard_option('pve-node'),
            name => get_standard_option('pve-storage-id'),
+           'cleanup-disks' => {
+               description => "Also wipe disks so they can be repurposed afterwards.",
+               type => 'boolean',
+               optional => 1,
+               default => 0,
+           },
        },
     },
     returns => { type => 'string' },
@@ -473,12 +479,47 @@ __PACKAGE__->register_method ({
 
        my $worker = sub {
            PVE::Diskmanage::locked_disk_action(sub {
+               my $to_wipe = [];
+               if ($param->{'cleanup-disks'}) {
+                   # Using -o name does not only output the name in combination with -v.
+                   run_command(['zpool', 'list', '-vHPL', $name], outfunc => sub {
+                       my ($line) = @_;
+
+                       my ($name) = PVE::Tools::split_list($line);
+                       return if $name !~ m|^/dev/.+|;
+
+                       my $dev = PVE::Diskmanage::verify_blockdev_path($name);
+                       my $wipe = $dev;
+
+                       $dev =~ s|^/dev/||;
+                       my $info = PVE::Diskmanage::get_disks($dev, 1, 1);
+                       die "unable to obtain information for disk '$dev'\n" if !$info->{$dev};
+
+                       # Wipe whole disk if usual ZFS layout with partition 9 as ZFS reserved.
+                       my $parent = $info->{$dev}->{parent};
+                       if ($parent && scalar(keys $info->%*) == 3) {
+                           $parent =~ s|^/dev/||;
+                           my $info9 = $info->{"${parent}9"};
+
+                           $wipe = $info->{$dev}->{parent} # need leading /dev/
+                               if $info9 && $info9->{used} && $info9->{used} =~ m/^ZFS reserved/;
+                       }
+
+                       push $to_wipe->@*, $wipe;
+                   });
+               }
+
                if (-e '/lib/systemd/system/zfs-import@.service') {
                    my $importunit = 'zfs-import@' . PVE::Systemd::escape_unit($name) . '.service';
                    run_command(['systemctl', 'disable', $importunit]);
                }
 
                run_command(['zpool', 'destroy', $name]);
+
+               eval { PVE::Diskmanage::wipe_blockdev($_) for $to_wipe->@*; };
+               my $err = $@;
+               PVE::Diskmanage::udevadm_trigger($to_wipe->@*);
+               die "cleanup failed - $err" if $err;
            });
        };