adding pod disruption budget (#17)

* dev: enable pod disruption budget

* dev: update values yaml

Author: harshv1995

cr.yaml

@@ -5,4 +5,4 @@ charts-dir: squadcast-helm
 sign: false
 charts_repo_url: https://squadcasthub.github.io/helm-infra
 index-path: .
-version: 0.2.6
+version: 0.2.7

squadcast-helm/Chart.yaml

@@ -3,6 +3,6 @@ name: squadcast-helm
 description: A Helm chart for Kubernetes
 type: application
 
-version: 0.2.6
+version: 0.2.7
 
 appVersion: "1.16.0"

squadcast-helm/templates/pdb.yaml

@@ -0,0 +1,16 @@
+---
+# PodDisruptionBudget for squadcast-helm
+{{- if .Values.pdb.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "squadcast-helm.fullname" . }}
+  labels:
+    {{- include "squadcast-helm.labels" . | nindent 4 }}
+  namespace: {{ .Values.namespace }}
+spec:
+  minAvailable: {{ .Values.pdb.minAvailable | default 1 }}
+  selector:
+    matchLabels:
+      {{- include "squadcast-helm.selectorLabels" . | nindent 6 }}
+{{- end }}

values.yaml

@@ -94,3 +94,8 @@ serviceMonitor:
 #     schedule: "*/1 * * * *"
 #     command: ["/bin/sh"]
 #     args: ["-c", "echo 'hello world'"]
+
+# to enable pdb
+pdb:
+  enabled: true
+  minAvailable: 1