VOL-1797 - fix helm lint issues

Change-Id: I74ccff1f7f431e05fc3963d0707382f478a010f0
diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index a76a027..7c243a4 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha OpenOLT Adapter
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.2
+version: 2.0.3
 appVersion: 2.0.0
diff --git a/voltha-adapter-openolt/templates/adapters-openolt.yaml b/voltha-adapter-openolt/templates/adapters-openolt.yaml
index 83a352b..e4b9f1b 100644
--- a/voltha-adapter-openolt/templates/adapters-openolt.yaml
+++ b/voltha-adapter-openolt/templates/adapters-openolt.yaml
@@ -38,9 +38,17 @@
       containers:
         - name: adapter-open-olt
           {{- if .Values.use_go }}
-          image: {{ tpl .Values.images.adapter_open_olt.registry . }}{{ tpl .Values.images.adapter_open_olt.repository . }}:{{ tpl .Values.images.adapter_open_olt.tag_go . }}
+          {{- $image_tag := tpl .Values.images.adapter_open_olt.tag_go . }}
+          {{- if eq "::DEFAULT::" $image_tag }}
+          {{- $image_tag = .Values.defaults.default_go_image_tag }}
+          {{- end }}
+          image: {{ tpl .Values.images.adapter_open_olt.registry . }}{{ tpl .Values.images.adapter_open_olt.repository . }}:{{ $image_tag }}
           {{- else }}
-          image: {{ tpl .Values.images.adapter_open_olt.registry . }}{{ tpl .Values.images.adapter_open_olt.repository . }}:{{ tpl .Values.images.adapter_open_olt.tag . }}
+          {{- $image_tag := tpl .Values.images.adapter_open_olt.tag . }}
+          {{- if eq "::DEFAULT::" $image_tag }}
+          {{- $image_tag = .Values.defaults.default_py_image_tag }}
+          {{- end }}
+          image: {{ tpl .Values.images.adapter_open_olt.registry . }}{{ tpl .Values.images.adapter_open_olt.repository . }}:{{ $image_tag }}
           {{- end }}
           imagePullPolicy: {{ tpl .Values.images.adapter_open_olt.pullPolicy . }}
           args:
diff --git a/voltha-adapter-openolt/values.yaml b/voltha-adapter-openolt/values.yaml
index 7610fa4..affb839 100644
--- a/voltha-adapter-openolt/values.yaml
+++ b/voltha-adapter-openolt/values.yaml
@@ -17,10 +17,12 @@
 
 # Default overrides
 defaults:
-  image_registry:
-  image_tag:
-  image_org:
-  image_pullPolicy:
+  image_registry: ""
+  image_tag: "::DEFAULT::"
+  image_org: "voltha/"
+  image_pullPolicy: "Always"
+  default_go_image_tag: "master-go"
+  default_py_image_tag: '{{ .Chart.AppVersion }}'
 
 # Define connectivity to required services
 services:
@@ -43,8 +45,8 @@
 
 images:
   adapter_open_olt:
-    registry: '{{ .Values.defaults.image_registry | default "" }}'
-    repository: '{{ .Values.defaults.image_org | default "voltha/" }}voltha-openolt-adapter'
-    tag_go: '{{ .Values.defaults.image_tag | default "master-go" }}'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    registry: '{{ .Values.defaults.image_registry }}'
+    repository: '{{ .Values.defaults.image_org }}voltha-openolt-adapter'
+    tag_go: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy | default "Always" }}'
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index 558d5a4..d372a21 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha OpenONU Adapter
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.1
+version: 2.0.2
 appVersion: 2.0.0
diff --git a/voltha-adapter-openonu/templates/adapters-openolt.yaml b/voltha-adapter-openonu/templates/adapters-openolt.yaml
index d4afdc7..9447d90 100644
--- a/voltha-adapter-openonu/templates/adapters-openolt.yaml
+++ b/voltha-adapter-openonu/templates/adapters-openolt.yaml
@@ -37,7 +37,7 @@
     spec:
       containers:
         - name: adapter-open-onu
-          image: {{ tpl .Values.images.adapter_open_onu.registry . }}{{ tpl .Values.images.adapter_open_onu.repository . }}:{{ tpl .Values.images.adapter_open_onu.tag . }}
+          image: {{ tpl .Values.images.adapter_open_onu.registry . }}{{ tpl .Values.images.adapter_open_onu.repository . }}:{{ tpl ( tpl .Values.images.adapter_open_onu.tag . ) . }}
           imagePullPolicy: {{ tpl .Values.images.adapter_open_onu.pullPolicy . }}
           args:
             - "/voltha/adapters/brcm_openomci_onu/main.py"
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index 234f580..3070a8a 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -15,10 +15,10 @@
 ---
 # Default overrides
 defaults:
-  image_registry:
-  image_tag:
-  image_org:
-  image_pullPolicy:
+  image_registry: ""
+  image_tag: '{{ .Chart.AppVersion }}'
+  image_org: "voltha/"
+  image_pullPolicy: "Always"
 
 # Define connectivity to required services
 services:
@@ -41,7 +41,7 @@
 
 images:
   adapter_open_onu:
-    registry: '{{ .Values.defaults.image_registry | default "" }}'
-    repository: '{{ .Values.defaults.image_org | default "voltha/" }}voltha-openonu-adapter'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
-    pullPolicy: '{{ .Values.defaults.image_pullPolicy | default "Always" }}'
+    registry: '{{ .Values.defaults.image_registry }}'
+    repository: '{{ .Values.defaults.image_org }}voltha-openonu-adapter'
+    tag: '{{ .Values.defaults.image_tag }}'
+    pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
diff --git a/voltha-adapter-simulated/Chart.yaml b/voltha-adapter-simulated/Chart.yaml
index 2c20864..760d9dd 100644
--- a/voltha-adapter-simulated/Chart.yaml
+++ b/voltha-adapter-simulated/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha Simulated Adaptyer based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.2
+version: 2.0.3
 appVersion: 2.0.0
diff --git a/voltha-adapter-simulated/templates/adapters-simulated.yaml b/voltha-adapter-simulated/templates/adapters-simulated.yaml
index 2e61898..66a7922 100644
--- a/voltha-adapter-simulated/templates/adapters-simulated.yaml
+++ b/voltha-adapter-simulated/templates/adapters-simulated.yaml
@@ -38,7 +38,7 @@
     spec:
       containers:
         - name: adapter-simulated-olt
-          image: {{ tpl .Values.images.adapter_simulated_olt.registry . }}{{ tpl .Values.images.adapter_simulated_olt.repository . }}:{{ tpl .Values.images.adapter_simulated_olt.tag . }}
+          image: {{ tpl .Values.images.adapter_simulated_olt.registry . }}{{ tpl .Values.images.adapter_simulated_olt.repository . }}:{{ tpl ( tpl .Values.images.adapter_simulated_olt.tag . ) . }}
           imagePullPolicy: {{ tpl .Values.images.adapter_simulated_olt.pullPolicy . }}
           args:
             - "/app/simulated_olt"
@@ -77,7 +77,7 @@
     spec:
       containers:
         - name: adapter-simulated-onu
-          image: {{ tpl .Values.images.adapter_simulated_onu.registry . }}{{ tpl .Values.images.adapter_simulated_onu.repository . }}:{{ tpl .Values.images.adapter_simulated_onu.tag . }}
+          image: {{ tpl .Values.images.adapter_simulated_onu.registry . }}{{ tpl .Values.images.adapter_simulated_onu.repository . }}:{{ tpl ( tpl .Values.images.adapter_simulated_onu.tag . ) . }}
           imagePullPolicy: {{ tpl .Values.images.adapter_simulated_onu.pullPolicy . }}
           args:
             - "/app/simulated_onu"
diff --git a/voltha-adapter-simulated/values.yaml b/voltha-adapter-simulated/values.yaml
index cc774c7..51741c9 100644
--- a/voltha-adapter-simulated/values.yaml
+++ b/voltha-adapter-simulated/values.yaml
@@ -15,10 +15,10 @@
 ---
 # Default overrides
 defaults:
-  image_registry:
-  image_tag:
-  image_org:
-  image_pullPolicy:
+  image_registry: ""
+  image_tag: '{{ .Chart.AppVersion }}'
+  image_org: "voltha/"
+  image_pullPolicy: "Always"
 
 # Define connectivity to required services
 services:
@@ -43,13 +43,13 @@
 
 images:
   adapter_simulated_olt:
-    registry: '{{ .Values.defaults.image_registry | default "" }}'
-    repository: '{{ .Values.defaults.image_org | default "voltha/" }}voltha-adapter-simulated-olt'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
-    pullPolicy: '{{ .Values.defaults.image_pullPolicy | default "Always" }}'
+    registry: '{{ .Values.defaults.image_registry }}'
+    repository: '{{ .Values.defaults.image_org }}voltha-adapter-simulated-olt'
+    tag: '{{ .Values.defaults.image_tag }}'
+    pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   adapter_simulated_onu:
-    registry: '{{ .Values.defaults.image_registry | default "" }}'
-    repository: '{{ .Values.defaults.image_org | default "voltha/" }}voltha-adapter-simulated-onu'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
-    pullPolicy: '{{ .Values.defaults.image_pullPolicy | default "Always" }}'
+    registry: '{{ .Values.defaults.image_registry }}'
+    repository: '{{ .Values.defaults.image_org }}voltha-adapter-simulated-onu'
+    tag: '{{ .Values.defaults.image_tag }}'
+    pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 1fae3e3..530d835 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.8
+version: 2.0.9
 appVersion: 2.0.0
diff --git a/voltha/templates/api-server.yaml b/voltha/templates/api-server.yaml
index 0221e60..5b690e6 100644
--- a/voltha/templates/api-server.yaml
+++ b/voltha/templates/api-server.yaml
@@ -51,7 +51,7 @@
       serviceAccountName: {{ .Values.serviceaccount }}
       containers:
       - name: arouter
-        image: {{ tpl .Values.images.afrouter.registry . }}{{ tpl .Values.images.afrouter.repository . }}:{{ tpl .Values.images.afrouter.tag . }}
+        image: {{ tpl .Values.images.afrouter.registry . }}{{ tpl .Values.images.afrouter.repository . }}:{{ tpl ( tpl .Values.images.afrouter.tag . ) . }}
         imagePullPolicy: {{ tpl .Values.images.afrouter.pullPolicy . }}
         volumeMounts:
         - name: config-volume
@@ -71,7 +71,7 @@
           value: {{ mul .Values.replicas.rw_core 2 | quote}}
         - name: NUM_RO_PODS
           value: {{ quote .Values.replicas.ro_core }}
-        image: {{ tpl .Values.images.afrouterd.registry . }}{{ tpl .Values.images.afrouterd.repository . }}:{{ tpl .Values.images.afrouterd.tag . }}
+        image: {{ tpl .Values.images.afrouterd.registry . }}{{ tpl .Values.images.afrouterd.repository . }}:{{ tpl ( tpl .Values.images.afrouterd.tag . ) . }}
         imagePullPolicy: {{ tpl .Values.images.afrouterd.pullPolicy . }}
         command: ["/app/arouterd"]
       restartPolicy: Always
diff --git a/voltha/templates/cli.yaml b/voltha/templates/cli.yaml
index fe5afa5..e185730 100644
--- a/voltha/templates/cli.yaml
+++ b/voltha/templates/cli.yaml
@@ -54,7 +54,7 @@
       serviceAccountName: {{ .Values.serviceaccount }}
       containers:
         - name: vcli
-          image: {{ tpl .Values.images.cli.registry . }}{{ tpl .Values.images.cli.repository . }}:{{ tpl .Values.images.cli.tag . }}
+          image: {{ tpl .Values.images.cli.registry . }}{{ tpl .Values.images.cli.repository . }}:{{ tpl ( tpl .Values.images.cli.tag . ) . }}
           imagePullPolicy: {{ tpl .Values.images.cli.pullPolicy . }}
           env:
             - name: POD_IP
diff --git a/voltha/templates/ofagent.yaml b/voltha/templates/ofagent.yaml
index 81f83ec..6ff7c03 100644
--- a/voltha/templates/ofagent.yaml
+++ b/voltha/templates/ofagent.yaml
@@ -37,7 +37,7 @@
       serviceAccountName: {{ .Values.serviceaccount }}
       containers:
       - name: ofagent
-        image: {{ tpl .Values.images.ofagent.registry . }}{{ tpl .Values.images.ofagent.repository . }}:{{ tpl .Values.images.ofagent.tag . }}
+        image: {{ tpl .Values.images.ofagent.registry . }}{{ tpl .Values.images.ofagent.repository . }}:{{ tpl ( tpl .Values.images.ofagent.tag . ) . }}
         imagePullPolicy: {{ tpl .Values.images.ofagent.pullPolicy . }}
         env:
         - name: CONTROLLER_SERVICE
diff --git a/voltha/templates/ro-core.yaml b/voltha/templates/ro-core.yaml
index b7cbb42..ce4a6bd 100644
--- a/voltha/templates/ro-core.yaml
+++ b/voltha/templates/ro-core.yaml
@@ -51,7 +51,7 @@
       serviceAccountName: {{ .Values.serviceaccount }}
       containers:
         - name: voltha
-          image: {{ tpl .Values.images.ro_core.registry . }}{{ tpl .Values.images.ro_core.repository . }}:{{ tpl .Values.images.ro_core.tag . }}
+          image: {{ tpl .Values.images.ro_core.registry . }}{{ tpl .Values.images.ro_core.repository . }}:{{ tpl ( tpl .Values.images.ro_core.tag . ) . }}
           imagePullPolicy: {{ tpl .Values.images.ro_core.pullPolicy . }}
           env:
             - name: NAMESPACE
diff --git a/voltha/templates/rw-core.yaml b/voltha/templates/rw-core.yaml
index ee2ddd0..28e5f22 100644
--- a/voltha/templates/rw-core.yaml
+++ b/voltha/templates/rw-core.yaml
@@ -14,7 +14,7 @@
 
 {{- $root := . -}}
 {{- $count := mul .Values.replicas.rw_core 2 | int }}
-{{- $tag := tpl .Values.images.rw_core.tag . }}
+{{- $tag := tpl ( tpl .Values.images.rw_core.tag . ) . }}
 {{- $repository := tpl .Values.images.rw_core.repository . }}
 {{- $registry := tpl .Values.images.rw_core.registry . }}
 {{- $pullpolicy := tpl .Values.images.rw_core.pullPolicy . }}
diff --git a/voltha/values.yaml b/voltha/values.yaml
index dc7930b..6429af9 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -19,8 +19,8 @@
 
 # Default overrides
 defaults:
-  image_registry: ""
-  image_tag:
+  image_registry: ''
+  image_tag: '{{ .Chart.AppVersion }}'
   image_org: "voltha/"
   image_pullPolicy: "Always"
   rw_core:
@@ -84,36 +84,36 @@
   cli:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-cli'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   ofagent:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-ofagent'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   ro_core:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-ro-core'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   rw_core:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-rw-core'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   afrouter:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-afrouter'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   afrouterd:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-afrouterd'
-    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
+    tag: '{{ .Values.defaults.image_tag }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
     restartPolicy: 'Always'