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api: disks: delete: add flag for wiping disks

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For ZFS and directory storages, clean up the whole disk when the
layout is as usual to avoid left-overs.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
This commit is contained in:
Fabian Ebner
2021-10-25 15:47:48 +02:00
committed by Fabian Grünbichler
parent 26082b7daf
commit f81908eb58
4 changed files with 115 additions and 0 deletions
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41
PVE/API2/Disks/ZFS.pm
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@ -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;
});
};