[pve-devel] [PATCH V2 qemu-server 5/8] add ignore-storage-errors attribute for removing VM with missing storage

[Stefan Hrdlicka]

Signed-off-by: Stefan Hrdlicka <s.hrdlicka at proxmox.com>
---
 PVE/API2/Qemu.pm  |  8 ++++++++
 PVE/QemuServer.pm | 27 ++++++++++++++++++++-------
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index d9ef201..e51f777 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -1852,6 +1852,13 @@ __PACKAGE__->register_method({
 		optional => 1,
 		default => 0,
 	    },
+	    'ignore-storage-errors' => {
+		type => 'boolean',
+		description => 'If set, this will ignore errors when trying to remove VM'
+		    . ' storage.',
+		default => 0,
+		optional => 1,
+	    },
 	},
     },
     returns => {
@@ -1908,6 +1915,7 @@ __PACKAGE__->register_method({
 		    $vmid,
 		    $skiplock, { lock => 'destroyed' },
 		    $purge_unreferenced,
+		    $param->{'ignore-storage-errors'},
 		);
 
 		PVE::AccessControl::remove_vm_access($vmid);
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index c706653..4900e15 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2295,7 +2295,12 @@ sub check_type {
 }
 
 sub destroy_vm {
-    my ($storecfg, $vmid, $skiplock, $replacement_conf, $purge_unreferenced) = @_;
+    my ($storecfg,
+	$vmid,
+	$skiplock,
+	$replacement_conf,
+	$purge_unreferenced,
+	$ignore_storage_errors) = @_;
 
     my $conf = PVE::QemuConfig->load_config($vmid);
 
@@ -2309,10 +2314,12 @@ sub destroy_vm {
 
 		my $volid = $drive->{file};
 		return if !$volid || $volid =~ m|^/|;
-
-		die "base volume '$volid' is still in use by linked cloned\n"
-		    if PVE::Storage::volume_is_base_and_used($storecfg, $volid);
-
+		my $result;
+		eval {
+		    $result = PVE::Storage::volume_is_base_and_used($storecfg, $volid)
+		};
+		die "Couldn't remove one or more disks: $@\n" if $@ && !$ignore_storage_errors;
+		die "base volume '$volid' is still in use by linked cloned\n" if $result;
 	});
     }
 
@@ -2338,7 +2345,10 @@ sub destroy_vm {
 	include_unused => 1,
 	extra_keys => ['vmstate'],
     };
-    PVE::QemuConfig->foreach_volume_full($conf, $include_opts, $remove_owned_drive);
+    eval {
+	PVE::QemuConfig->foreach_volume_full($conf, $include_opts, $remove_owned_drive);
+    };
+    die "Couldn't remove one or more disks: $@\n" if $@ && !$ignore_storage_errors;
 
     for my $snap (values %{$conf->{snapshots}}) {
 	next if !defined($snap->{vmstate});
@@ -2347,7 +2357,10 @@ sub destroy_vm {
 	$remove_owned_drive->('vmstate', $drive);
     }
 
-    PVE::QemuConfig->foreach_volume_full($conf->{pending}, $include_opts, $remove_owned_drive);
+    eval {
+	PVE::QemuConfig->foreach_volume_full($conf->{pending}, $include_opts, $remove_owned_drive);
+    };
+    die "Couldn't remove one or more disks: $@\n" if $@ && !$ignore_storage_errors;
 
     if ($purge_unreferenced) { # also remove unreferenced disk
 	my $vmdisks = PVE::Storage::vdisk_list($storecfg, undef, $vmid, undef, 'images');
-- 
2.30.2