[pve-devel] [PATCH guest-common v3 10/22] vzdump: schema: make storage for fleecing semi-optional

[Fiona Ebner <f.ebner@proxmox.com>]

so it doesn't need to be set when explicitly disabling fleecing. Needs
a custom verifier to enforce it being set when enabled.

Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
 src/PVE/VZDump/Common.pm | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/PVE/VZDump/Common.pm b/src/PVE/VZDump/Common.pm
index 30bd044..f7cdb66 100644
--- a/src/PVE/VZDump/Common.pm
+++ b/src/PVE/VZDump/Common.pm
@@ -95,8 +95,20 @@ PVE::JSONSchema::register_format('backup-fleecing', {
 	description => "Use this storage to storage fleecing images. For efficient space usage, "
 	    ."it's best to use a local storage that supports discard and either thin provisioning "
 	    ."or sparse files.",
+	optional => 1,
     }),
-});
+}, \&verify_backup_fleecing);
+
+sub verify_backup_fleecing {
+    my ($param, $noerr) = @_;
+
+    if (!$param->{storage} && $param->{enabled}) {
+	return if $noerr;
+	die "'storage' parameter is required when 'enabled' is set\n";
+    }
+
+    return $param;
+}
 
 PVE::JSONSchema::register_format('backup-performance', {
     'max-workers' => {
-- 
2.39.2