feat(setting): add allow empty disk node selector volume setting

ref: longhorn/longhorn 4826

Signed-off-by: Jack Lin <jack.lin@suse.com>

chart/questions.yaml

@@ -432,6 +432,18 @@ If disabled, Longhorn will not delete the workload pod that is managed by a cont
     group: "Longhorn Default Settings"
     type: boolean
     default: "true"
+  - variable: defaultSettings.allowEmptyNodeSelectorVolume
+    label: Allow Empty Node Selector Volume
+    description: "Allow Scheduling Empty Node Selector Volumes To Any Node"
+    group: "Longhorn Default Settings"
+    type: boolean
+    default: "true"
+  - variable: defaultSettings.allowEmptyDiskSelectorVolume
+    label: Allow Empty Disk Selector Volume
+    description: "Allow Scheduling Empty Disk Selector Volumes To Any Disk"
+    group: "Longhorn Default Settings"
+    type: boolean
+    default: "true"
   - variable: defaultSettings.nodeDownPodDeletionPolicy
     label: Pod Deletion Policy When Node is Down
     description: "Defines the Longhorn action when a Volume is stuck with a StatefulSet/Deployment Pod on a node that is down.

chart/templates/default-setting.yaml

@@ -81,3 +81,5 @@ data:
     {{ if not (kindIs "invalid" .Values.defaultSettings.restoreConcurrentLimit) }}restore-concurrent-limit: {{ .Values.defaultSettings.restoreConcurrentLimit }}{{ end }}
     {{ if not (kindIs "invalid" .Values.defaultSettings.v2DataEngine) }}v2-data-engine: {{ .Values.defaultSettings.v2DataEngine }}{{ end }}
     {{ if not (kindIs "invalid" .Values.defaultSettings.offlineReplicaRebuilding) }}offline-replica-rebuilding: {{ .Values.defaultSettings.offlineReplicaRebuilding }}{{ end }}
+    {{ if not (kindIs "invalid" .Values.defaultSettings.allowEmptyNodeSelectorVolume) }}allow-empty-node-selector-volume: {{ .Values.defaultSettings.allowEmptyNodeSelectorVolume }}{{ end }}
+    {{ if not (kindIs "invalid" .Values.defaultSettings.allowEmptyDiskSelectorVolume) }}allow-empty-disk-selector-volume: {{ .Values.defaultSettings.allowEmptyDiskSelectorVolume }}{{ end }}

chart/values.yaml

@@ -167,6 +167,8 @@ defaultSettings:
   restoreConcurrentLimit: ~
   v2DataEngine: ~
   offlineReplicaRebuilding: ~
+  allowEmptyNodeSelectorVolume: ~
+  allowEmptyDiskSelectorVolume: ~
 privateRegistry:
   createSecret: ~
   registryUrl: ~