WIP(ingress-nginx): patch to enable proxy cache

base/nginx/patches/ingress-nginx-cm.yaml

@@ -3,11 +3,6 @@ kind: ConfigMap
 metadata:
   name: ingress-nginx-controller
   namespace: ingress-nginx
-  labels:
-    app.kubernetes.io/component: controller
-    app.kubernetes.io/instance: ingress-nginx
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
-    app.kubernetes.io/version: 1.4.0
 data:
   allow-snippet-annotations: "true"
+  http-snippet: "proxy_cache_path /cache levels=1:2 keys_zone=nginx-cache:10m max_size=489m inactive=10m use_temp_path=off;"

base/nginx/patches/ingress-nginx-deploy.yaml

@@ -1,111 +1,17 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  labels:
-    app.kubernetes.io/component: controller
-    app.kubernetes.io/instance: ingress-nginx
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
-    app.kubernetes.io/version: 1.4.0
   name: ingress-nginx-controller
   namespace: ingress-nginx
 spec:
-  minReadySeconds: 0
-  revisionHistoryLimit: 10
-  selector:
-    matchLabels:
-      app.kubernetes.io/component: controller
-      app.kubernetes.io/instance: ingress-nginx
-      app.kubernetes.io/name: ingress-nginx
   template:
-    metadata:
-      labels:
-        app.kubernetes.io/component: controller
-        app.kubernetes.io/instance: ingress-nginx
-        app.kubernetes.io/name: ingress-nginx
     spec:
       containers:
-      - args:
-        - /nginx-ingress-controller
-        - --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller
-        - --election-id=ingress-controller-leader
-        - --controller-class=k8s.io/ingress-nginx
-        - --ingress-class=nginx
-        - --configmap=$(POD_NAMESPACE)/ingress-nginx-controller
-        - --validating-webhook=:8443
-        - --validating-webhook-certificate=/usr/local/certificates/cert
-        - --validating-webhook-key=/usr/local/certificates/key
-        env:
-        - name: POD_NAME
-          valueFrom:
-            fieldRef:
-              fieldPath: metadata.name
-        - name: POD_NAMESPACE
-          valueFrom:
-            fieldRef:
-              fieldPath: metadata.namespace
-        - name: LD_PRELOAD
-          value: /usr/local/lib/libmimalloc.so
-        image: registry.k8s.io/ingress-nginx/controller:v1.4.0@sha256:34ee929b111ffc7aa426ffd409af44da48e5a0eea1eb2207994d9e0c0882d143
-        imagePullPolicy: IfNotPresent
-        lifecycle:
-          preStop:
-            exec:
-              command:
-              - /wait-shutdown
-        livenessProbe:
-          failureThreshold: 5
-          httpGet:
-            path: /healthz
-            port: 10254
-            scheme: HTTP
-          initialDelaySeconds: 10
-          periodSeconds: 10
-          successThreshold: 1
-          timeoutSeconds: 1
-        name: controller
-        ports:
-        - containerPort: 80
-          name: http
-          protocol: TCP
-        - containerPort: 443
-          name: https
-          protocol: TCP
-        - containerPort: 8443
-          name: webhook
-          protocol: TCP
-        readinessProbe:
-          failureThreshold: 3
-          httpGet:
-            path: /healthz
-            port: 10254
-            scheme: HTTP
-          initialDelaySeconds: 10
-          periodSeconds: 10
-          successThreshold: 1
-          timeoutSeconds: 1
-        resources:
-          requests:
-            cpu: 100m
-            memory: 90Mi
-        securityContext:
-          allowPrivilegeEscalation: true
-          capabilities:
-            add:
-            - NET_BIND_SERVICE
-            drop:
-            - ALL
-          runAsUser: 101
+      - name: controller
         volumeMounts:
-        - mountPath: /usr/local/certificates/
-          name: webhook-cert
-          readOnly: true
-      dnsPolicy: ClusterFirst
-      nodeSelector:
-        kubernetes.io/os: linux
-      serviceAccountName: ingress-nginx
-      terminationGracePeriodSeconds: 300
+        - mountPath: /cache
+          name: cache
       volumes:
-      - name: webhook-cert
-        secret:
-          secretName: ingress-nginx-admission
+      - name: cache
+        emptyDir:
+          sizeLimit: 500M