Allow Helm Chart to customize admission webhook's annotations, timeou…

…tSeconds, namespaceSelector, objectSelector and cert files locations
kubernetes · Oct 8, 2020 · c8294ea · c8294ea
1 parent 524c3a5
commit c8294ea
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Showing 7 changed files with 26 additions and 6 deletions.
diff --git a/charts/ingress-nginx/Chart.yaml b/charts/ingress-nginx/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ingress-nginx
-version: 3.4.1
+version: 3.5.0
 appVersion: 0.40.2
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer

diff --git a/charts/ingress-nginx/templates/admission-webhooks/validating-webhook.yaml b/charts/ingress-nginx/templates/admission-webhooks/validating-webhook.yaml
@@ -4,6 +4,9 @@
 apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
+  {{- if .Values.controller.admissionWebhooks.annotations }}
+  annotations: {{ toYaml .Values.controller.admissionWebhooks.annotations | nindent 4 }}
+  {{- end }}
   labels:
     {{- include "ingress-nginx.labels" . | nindent 4 }}
     app.kubernetes.io/component: admission-webhook
@@ -31,4 +34,13 @@ webhooks:
         namespace: {{ .Release.Namespace }}
         name: {{ include "ingress-nginx.controller.fullname" . }}-admission
         path: /networking/v1beta1/ingresses
+    {{- if .Values.controller.admissionWebhooks.timeoutSeconds }}
+    timeoutSeconds: {{ .Values.controller.admissionWebhooks.timeoutSeconds }}
+    {{- end }}
+    {{- if .Values.controller.admissionWebhooks.namespaceSelector }}
+    namespaceSelector: {{ toYaml .Values.controller.admissionWebhooks.namespaceSelector | nindent 6 }}
+    {{- end }}
+    {{- if .Values.controller.admissionWebhooks.objectSelector }}
+    objectSelector: {{ toYaml .Values.controller.admissionWebhooks.objectSelector | nindent 6 }}
+    {{- end }}
 {{- end }}
diff --git a/charts/ingress-nginx/templates/controller-daemonset.yaml b/charts/ingress-nginx/templates/controller-daemonset.yaml
@@ -92,8 +92,8 @@ spec:
           {{- end }}
           {{- if .Values.controller.admissionWebhooks.enabled }}
             - --validating-webhook=:{{ .Values.controller.admissionWebhooks.port }}
-            - --validating-webhook-certificate=/usr/local/certificates/cert
-            - --validating-webhook-key=/usr/local/certificates/key
+            - --validating-webhook-certificate={{ .Values.controller.admissionWebhooks.certificate }}
+            - --validating-webhook-key={{ .Values.controller.admissionWebhooks.key }}
           {{- end }}
           {{- if .Values.controller.maxmindLicenseKey }}
             - --maxmind-license-key={{ .Values.controller.maxmindLicenseKey }}

diff --git a/charts/ingress-nginx/templates/controller-deployment.yaml b/charts/ingress-nginx/templates/controller-deployment.yaml
@@ -96,8 +96,8 @@ spec:
           {{- end }}
           {{- if .Values.controller.admissionWebhooks.enabled }}
             - --validating-webhook=:{{ .Values.controller.admissionWebhooks.port }}
-            - --validating-webhook-certificate=/usr/local/certificates/cert
-            - --validating-webhook-key=/usr/local/certificates/key
+            - --validating-webhook-certificate={{ .Values.controller.admissionWebhooks.certificate }}
+            - --validating-webhook-key={{ .Values.controller.admissionWebhooks.key }}
           {{- end }}
           {{- if .Values.controller.maxmindLicenseKey }}
             - --maxmind-license-key={{ .Values.controller.maxmindLicenseKey }}

diff --git a/charts/ingress-nginx/values.yaml b/charts/ingress-nginx/values.yaml
@@ -406,9 +406,15 @@ controller:
   #   command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;']
 
   admissionWebhooks:
+    annotations: {}
     enabled: true
     failurePolicy: Fail
+    # timeoutSeconds: 10
     port: 8443
+    certificate: "/usr/local/certificates/cert"
+    key: "/usr/local/certificates/key"
+    namespaceSelector: {}
+    objectSelector: {}
 
     service:
       annotations: {}

diff --git a/hack/generate-deploy-scripts.sh b/hack/generate-deploy-scripts.sh
@@ -53,7 +53,7 @@ $(cat ${OUTPUT_FILE})" > ${OUTPUT_FILE}
 
 # Cloud - generic
 OUTPUT_FILE="${DIR}/deploy/static/provider/cloud/deploy.yaml"
-cat << EOF | helm template $RELEASE_NAME ${DIR}/charts/ingress-nginx --namespace $NAMESPACE --namespace $NAMESPACE --values - | $DIR/hack/add-namespace.py $NAMESPACE > ${OUTPUT_FILE}
+cat << EOF | helm template $RELEASE_NAME ${DIR}/charts/ingress-nginx --namespace $NAMESPACE --values - | $DIR/hack/add-namespace.py $NAMESPACE > ${OUTPUT_FILE}
 controller:
   service:
     type: LoadBalancer

diff --git a/test/e2e-image/namespace-overlays/admission/values.yaml b/test/e2e-image/namespace-overlays/admission/values.yaml
@@ -25,6 +25,8 @@ controller:
 
   admissionWebhooks:
     enabled: true
+    certificate: "/usr/local/certificates/cert"
+    key: "/usr/local/certificates/key"
 
 defaultBackend:
   enabled: false