validate k8s api version

Signed-off-by: Ashwani Singh <ashwani.singh@opstree.com>

charts/microservice/Chart.yaml

@@ -1,27 +1,10 @@
 apiVersion: v2
 name: microservice
 description: A Helm chart for a microservice in Kubernetes
-
-# A chart can be either an 'application' or a 'library' chart
-#
-# Application chart deploys a complete application, includes all necessary Kubernetes resources, 
-# used for installing and managing applications.
-#
-# Library chart provides reusable templates and components, does not deploy an application by itself, 
-# used to promote consistency and reuse across multiple charts.
 type: application
-
-# This is the chart version. This chart version should be incremented with each change to the chart 
-# or its templates, including the app version. 
-# Follow Semantic Versioning (https://semver.org/). 
 version: 0.1.2
-
-# This is the application version number, which should be incremented with each change to the application. 
-# It doesn't need to follow Semantic Versioning but should reflect the application's version. 
-# Quotes are recommended.
 appVersion: "0.1.2"
-
-# This is maintainers files. this field lists the individuals or teams responsible for maintaining the Helm chart. 
-# It typically includes their names and contact information, such as email addresses.
 maintainers:
-  - name: Opstree Solutions
+  - name: Ashwani Singh
+    email: ashwani.singh@opstree.com
+  - name: Shikha Tripathi

charts/microservice/examples/deploy-nginx.yaml

@@ -25,8 +25,9 @@ deployment:
   volumes:
     enabled: true
     configMaps:
-      - name: webapp
-        mountPath: /webapp
+      - name: index
+        mountPath: /usr/share/nginx/html
         data:
-          webapp.conf: |
-            name="opstree"
+          index.html: |
+            Hello! Opstree
+            

charts/microservice/templates/configmap.yaml

@@ -9,7 +9,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ include "microservice.fullname" $root }}-{{ $cm.name }}-cm
-  namespace: {{ $root.Values.global.namespace }}
+  namespace: {{ $root.Values.global.namespace | quote }}
 data:
   {{- if $cm.data }}
   {{- range $filename, $content := $cm.data }}

charts/microservice/templates/deployment.yaml

@@ -1,10 +1,10 @@
 {{ $root := . }}
 ---
-apiVersion: apps/v1
+apiVersion: {{ include "microservice.capabilities.deployment.apiVersion" . }}
 kind: Deployment
 metadata:
   name: {{ include "microservice.fullname" . }}-app
-  namespace: {{ .Values.global.namespace }}
+  namespace: {{ .Values.global.namespace | quote }}
   {{- if .Values.annotations }}
   annotations:
   {{- range $key, $value := .Values.annotations }}
@@ -32,6 +32,12 @@ spec:
         - name: {{ include "microservice.fullname" . }}
           image: "{{ .Values.deployment.image.name }}:{{ .Values.deployment.image.tag }}"
           imagePullPolicy: {{ .Values.deployment.image.pullPolicy }}
+          {{- if .Values.deployment.command }}
+          command: {{ .Values.deployment.command }}
+          {{- end }}
+          {{- if .Values.deployment.args }}
+          args: {{ .Values.deployment.args }}
+          {{- end }}
           ports:
             {{- range .Values.service.specs}}
             - name: {{ .name }}

charts/microservice/templates/hpa.yaml

@@ -3,7 +3,7 @@ apiVersion: {{ include "microservice.capabilities.hpa.apiVersion" ( dict "contex
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ include "microservice.fullname" . }}-hpa
-  namespace: {{ .Values.global.namespace }}
+  namespace: {{ .Values.global.namespace | quote }}
   labels:
     {{- include "microservice.labels" . | nindent 4 }}
 spec:

charts/microservice/templates/pvc.yaml

@@ -5,7 +5,7 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: {{ .Values.deployment.volumes.pvc.name }}
-  namespace: {{ .Values.global.namespace }}
+  namespace: {{ .Values.global.namespace | quote }}
 spec:
   {{- if .Values.deployment.volumes.pvc.class }}
   storageClassName: {{ .Values.deployment.volumes.pvc.class }}

charts/microservice/templates/service.yaml

@@ -4,7 +4,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "microservice.fullname" . }}-svc
-  namespace: {{ .Values.global.namespace }}
+  namespace: {{ .Values.global.namespace | quote }}
   {{- if .Values.service.annotations }}
   annotations:
   {{- range $key, $value := .Values.service.annotations }}

charts/microservice/templates/serviceaccount.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{ include "microservice.serviceAccountName" . }}-sa
+  namespace: {{ .Values.global.namespace | quote }}
   labels:
     {{- include "microservice.labels" . | nindent 4 }}
   {{- with .Values.serviceAccount.annotations }}

charts/microservice/values.yaml

@@ -46,6 +46,9 @@ deployment:
     successThreshold: 1
     failureThreshold: 5
 
+  # command: ["/bin/sh","-c"]
+  # args: ["echo 'consuming a message'; sleep 5"]
+
   environment: {}
   #   VAR1: value1
 
@@ -62,17 +65,15 @@ deployment:
   # Additional volumes on the output Deployment definition.
   volumes:
     enabled: true
-    pvc: 
+    pvc:
       enabled: false
-    # pvc:
-    #   enabled: false
-    #   existing_claim: false
-    #   name: pvc
-    #   mountPath: /pv
-    #   size: 1G
-    #   class: "default"
-    #   accessModes:
-    #     - ReadWriteOnce
+      existing_claim: false
+      name: pvc
+      mountPath: /pv
+      size: 1G
+      class: "default"
+      accessModes:
+        - ReadWriteOnce
 
     # configFileCommonHeader: |
     #   line1