feat(helm chart): add poddisruptionbudget

Author: reevejd

deploy/cert-manager-ibm-cis-webhook/templates/pdb.yaml

@@ -0,0 +1,16 @@
+{{- if .Values.pdb.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "cert-manager-ibm-cis-webhook.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "cert-manager-ibm-cis-webhook.name" . }}
+    chart: {{ include "cert-manager-ibm-cis-webhook.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  maxUnavailable: 10%
+  selector:
+    matchLabels:
+      release: {{ .Release.Name }}
+{{- end }}

deploy/cert-manager-ibm-cis-webhook/values.yaml

@@ -34,6 +34,9 @@ service:
   type: ClusterIP
   port: 443
 
+pdb:
+  enabled: true
+
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious
   # choice for the user. This also increases chances charts run on environments with little