[openvswitch] Add pdb for ovn db

Related-Prod: PRODX-50258

Change-Id: I4bafc84658c201effa86632fd46015938ca137ed

Author: jumpojoy

charts/infra/openvswitch/templates/pdb.yaml

@@ -0,0 +1,27 @@
+{{/*
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- if .Values.manifests.pdb_ovn_db }}
+{{- $envAll := . }}
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: openvswitch-ovn-db
+spec:
+  minAvailable: {{ .Values.pod.lifecycle.disruption_budget.ovn_db.min_available }}
+  selector:
+    matchLabels:
+{{ tuple $envAll "openvswitch_ovn" "db" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
+{{- end }}

charts/infra/openvswitch/values.yaml

@@ -331,6 +331,9 @@ pod:
           enabled: true
           min_ready_seconds: 0
           max_unavailable: 1
+    disruption_budget:
+      ovn_db:
+        min_available: 2
   resources:
     enabled: false
     ovs:
@@ -471,17 +474,6 @@ dependencies:
         - endpoint: internal
           service: local_image_registry
 
-manifests:
-  configmap_bin: true
-  daemonset_ovs_db: true
-  daemonset_ovs_vswitchd: true
-  statefulset_ovn_db: false
-  statefulset_ovn_northd: false
-  daemonset_ovn_controller: false
-  job_image_repo_sync: true
-  network_policy: false
-  service_discovery_ovn_db: false
-  service_master_ovn_db: false
 conf:
   openvswitch_db_server:
     ptcp_port: null
@@ -524,4 +516,16 @@ volume:
     enabled: true
     size: 1G
     class_name: default
+manifests:
+  configmap_bin: true
+  daemonset_ovs_db: true
+  daemonset_ovs_vswitchd: true
+  statefulset_ovn_db: false
+  statefulset_ovn_northd: false
+  daemonset_ovn_controller: false
+  job_image_repo_sync: true
+  network_policy: false
+  service_discovery_ovn_db: false
+  service_master_ovn_db: false
+  pdb_ovn_db: true
 ...