Ingress integration (#688)

Ingress integration to allow the optional creation of ingress for a given route. The ingress controller needs to be set up by the user separately so that ingress path is accessible outside the cluster.

charts/fission-all/templates/deployment.yaml

@@ -167,6 +167,11 @@ spec:
         imagePullPolicy: {{ .Values.pullPolicy }}
         command: ["/fission-bundle"]
         args: ["--routerPort", "8888", "--executorUrl", "http://executor.{{ .Release.Namespace }}"]
+        env:
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
         readinessProbe:
           httpGet:
             path: "/router-healthz"

charts/fission-core/templates/deployment.yaml

@@ -163,6 +163,11 @@ spec:
         imagePullPolicy: {{ .Values.pullPolicy }}
         command: ["/fission-bundle"]
         args: ["--routerPort", "8888", "--executorUrl", "http://executor.{{ .Release.Namespace }}"]
+        env:
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
         readinessProbe:
           httpGet:
             path: "/router-healthz"