VOL-3958 support for ingress in helm charts

Change-Id: I8c53016debb11760dd8ae39e8662ba0489d705a9
diff --git a/voltha-infra/templates/ingress_etcd.yaml b/voltha-infra/templates/ingress_etcd.yaml
new file mode 100644
index 0000000..9fa1bee
--- /dev/null
+++ b/voltha-infra/templates/ingress_etcd.yaml
@@ -0,0 +1,64 @@
+# Copyright 2021-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+{{- if .Values.etcd.ingress.enabled -}}
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: "{{ .Release.Name }}-etcd"
+  namespace: {{ .Release.Namespace }}
+  {{- with .Values.etcd.labels }}
+  labels:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.etcd.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.etcd.ingress.tls }}
+  tls:
+    {{- range .Values.etcd.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ .secretName }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.etcd.ingress.hosts }}
+    {{- if $.Values.etcd.ingress.enableVirtualHosts }}
+    - host: '{{ $.Release.Name }}.local'
+      http:
+    {{- else }}
+    {{- if .host }}
+    - host: {{ .host | quote }}
+      http:
+    {{- else }}
+    - http:
+    {{- end }}
+    {{- end }}
+        paths:
+          {{- range .paths }}
+          - path: {{ . }}
+            pathType: Prefix
+            backend:
+              service:
+                name: "{{ $.Release.Name }}-etcd"
+                port:
+                  number: 2379
+          {{- end }}
+    {{- end }}
+{{- end }}