Ranger-Agent: Add pod/container security context

This updates the Ranger-Agent chart to include the pod
security context on the pod template

when I set to true for rangen-agent engine it going to crashloopbackoff

Change-Id: I69f99d651a7d60f27c75f1718e894c84bcfea366

ranger-agent/templates/deployment-ranger-agent-api.yaml

@@ -42,6 +42,7 @@ spec:
         configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
         configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
     spec:
+{{ dict "envAll" $envAll "application" "ranger_agent" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       dnsPolicy: ClusterFirstWithHostNet
       hostNetwork: true
@@ -57,8 +58,7 @@ spec:
           image: {{ .Values.images.tags.ranger_agent }}
           imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple $envAll $envAll.Values.pod.resources.api | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
-          securityContext:
+{{ dict "envAll" $envAll "application" "ranger_agent" "container" "ranger_agent_api" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
-            runAsUser: {{ .Values.pod.user.ranger_agent.uid }}
           command:
             - /tmp/ranger-agent-api.sh
             - start

ranger-agent/templates/deployment-ranger-agent-engine.yaml

@@ -40,6 +40,7 @@ spec:
         configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
         configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
     spec:
+{{ dict "envAll" $envAll "application" "ranger_agent" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       dnsPolicy: ClusterFirstWithHostNet
       hostNetwork: true
@@ -55,8 +56,7 @@ spec:
           image: {{ .Values.images.tags.ranger_agent }}
           imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple $envAll $envAll.Values.pod.resources.engine | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
-          securityContext:
+{{ dict "envAll" $envAll "application" "ranger_agent" "container" "ranger_agent_engine" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
-            runAsUser: {{ .Values.pod.user.ranger_agent.uid }}
           env:
             - name: USER
               valueFrom:

ranger-agent/values.yaml

@@ -136,9 +136,17 @@ network:
       port: 30010
 
 pod:
-  user:
+  security_context:
     ranger_agent:
-      uid: 1000
+      pod:
+        runAsUser: 1000
+      container:
+        ranger_agent_api:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+        ranger_agent_engine:
+          readOnlyRootFilesystem: false
+          allowPrivilegeEscalation: false
   affinity:
     anti:
       type: