VOL-3183 - chart best practice updates

- separated each resource into its own template
- added security context for runas
- added namespace to metadata
- added release name as part of selector

Change-Id: I2a63d099f6bbc4b0615addceccfbd04cff09ef4f
diff --git a/voltha-adapter-openolt/templates/openolt-deploy.yaml b/voltha-adapter-openolt/templates/openolt-deploy.yaml
new file mode 100644
index 0000000..9173980
--- /dev/null
+++ b/voltha-adapter-openolt/templates/openolt-deploy.yaml
@@ -0,0 +1,104 @@
+# Copyright 2019-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.
+{{- $log_level := tpl .Values.adapter_open_olt.log_level . | upper }}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: adapter-open-olt
+  namespace: {{ .Release.Namespace }}
+  {{- if or (hasKey .Values "extra_deployment_labels") (hasKey .Values "openolt_deployment_labels") }}
+  labels:
+    {{- if hasKey .Values "extra_deployment_labels" }}
+    {{- range $key, $val := .Values.extra_deployment_labels }}
+    {{ $key }}: {{ $val | quote }}
+    {{- end }}
+    {{- end }}
+    {{- if hasKey .Values "openolt_deployment_labels" }}
+    {{- range $key, $val := .Values.openolt_deployment_labels }}
+    {{ $key }}: {{ $val | quote }}
+    {{- end }}
+    {{- end }}
+  {{- end }}
+spec:
+  selector:
+    matchLabels:
+      app: adapter-open-olt
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      namespace: {{ .Release.Namespace }}
+      labels:
+        app: adapter-open-olt
+        release: {{ .Release.Name }}
+        app.kubernetes.io/name: "adapter-open-olt"
+        app.kubernetes.io/version: {{ quote .Chart.AppVersion }}
+        app.kubernetes.io/component: "adapter"
+        app.kubernetes.io/part-of: "voltha"
+        app.kubernetes.io/managed-by: {{ quote .Release.Service }}
+        helm.sh/chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+        {{- if hasKey .Values "extra_pod_labels" }}
+        {{- range $key, $val := .Values.extra_pod_labels }}
+        {{ $key }}: {{ $val | quote }}
+        {{- end }}
+        {{- end }}
+        {{- if hasKey .Values "openolt_pod_labels" }}
+        {{- range $key, $val := .Values.openolt_pod_labels }}
+        {{ $key }}: {{ $val | quote }}
+        {{- end }}
+        {{- end }}
+    spec:
+      {{- if .Values.securityContext.enabled }}
+      securityContext:
+        runAsUser: {{ .Values.securityContext.runAsUser }}
+        runAsGroup: {{ .Values.securityContext.runAsGroup }}
+        fsGroup: {{ .Values.securityContext.fsGroup }}
+      {{- end }}
+      containers:
+        - name: adapter-open-olt
+          image: '{{ tpl .Values.images.adapter_open_olt.registry . }}{{ tpl .Values.images.adapter_open_olt.repository . }}:{{ tpl ( tpl .Values.images.adapter_open_olt.tag . ) . }}'
+          imagePullPolicy: {{ tpl .Values.images.adapter_open_olt.pullPolicy . }}
+          env:
+            - name: COMPONENT_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.labels['app.kubernetes.io/name']
+            - name: KV_STORE_DATAPATH_PREFIX
+              value: {{ .Values.defaults.kv_store_data_prefix }}
+          args:
+            - "/app/openolt"
+            - "--kafka_adapter_host={{ .Values.services.kafka.adapter.service }}"
+            - "--kafka_adapter_port={{ .Values.services.kafka.adapter.port }}"
+            - "--kafka_cluster_host={{ .Values.services.kafka.cluster.service }}"
+            - "--kafka_cluster_port={{ .Values.services.kafka.cluster.port }}"
+            - "--core_topic={{ .Values.defaults.topics.core_topic }}"
+            - "--adapter_topic={{ .Values.defaults.topics.adapter_open_olt_topic }}"
+            - "--kv_store_host={{ .Values.services.etcd.service }}"
+            - "--kv_store_port={{ .Values.services.etcd.port }}"
+            - "--log_level={{ $log_level }}"
+            - "--current_replica={{ .Values.replicas.current_replica }}"
+            - "--total_replica={{ .Values.replicas.total_replica }}"
+            - "--probe_port=8080"
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 8080
+            initialDelaySeconds: 10
+            periodSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /readz
+              port: 8080
+            initialDelaySeconds: 10
+            periodSeconds: 5