feat: allow setting mutating webhook failurepolicy

fixes #654

chart/open-feature-operator/values.yaml

@@ -18,6 +18,12 @@ labels: {}
 ## @param annotations Annotations to apply to all of the pods in the operator.
 annotations: {}
 
+## @section Mutating Webhook configuration
+mutatingWebhook:
+  ## @param mutatingWebhook.failurePolicy FailurePolicy when the webhook does not respond
+  failurePolicy: Ignore
+  ## @param mutatingWebhook.objectSelector ObjectSelector on which pods the mutatingWebhook will run
+  objectSelector: {}
 ## @section Sidecar configuration
 sidecarConfiguration:
   ## @param sidecarConfiguration.port Sets the value of the `XXX_PORT` environment variable for the injected sidecar.

config/overlays/helm/kustomization.yaml

@@ -16,6 +16,7 @@ patchesStrategicMerge:
   - manager.yaml
   - exclude-webhook-server-container-port.yaml
   - exclude-validatingwebhook.yaml
+  - mutatingwebhook.yaml
 
 configMapGenerator:
 - name: manager-config

config/overlays/helm/mutatingwebhook.yaml

@@ -0,0 +1,8 @@
+apiVersion: admissionregistration.k8s.io/v1
+kind: MutatingWebhookConfiguration
+metadata:
+  name: mutating-webhook-configuration
+webhooks:
+  - name: mutate.openfeature.dev
+    failurePolicy: "___{{ .Values.mutatingWebhook.failurePolicy }}___"
+    objectSelector: "___{{ toYaml .Values.mutatingWebhook.objectSelector | nindent 4 }}___"