podDisruptionBudget added (#23)

charts/k8s-sizing-webhook/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: k8s-sizing-webhook
-description: A Helm chart for Kubernetes
+description: Deploys a admission webhook to fix common problems
 maintainers:
   - name: bitte-ein-bit
     url: https://github.com/bitte-ein-bit
@@ -18,7 +18,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.0
+version: 0.3.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/k8s-sizing-webhook/templates/poddisruptionbudget.yaml

@@ -0,0 +1,11 @@
+{{- if .Values.podDisruptionBudget.create -}}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "k8s-sizing-webhook.fullname" . }}
+spec:
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable | default 1 }}
+  selector:
+    matchLabels:
+    {{- include "k8s-sizing-webhook.selectorLabels" . | nindent 6 }}
+{{- end -}}

charts/k8s-sizing-webhook/values.yaml

@@ -46,6 +46,10 @@ webhook:
 serviceMonitor:
   create: false
 
+podDisruptionBudget:
+  create: true
+  minAvailable: 1
+
 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