Registry: Add pod/container security context

This updates the registry chart to include the pod
security context on the pod template

This also adds the container security context

Change-Id: I36b6a2cf291dda2f991843c07ba116f3bf936d03

registry/templates/daemonset-registry-proxy.yaml

@@ -41,6 +41,7 @@ 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" "registry_proxy" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       nodeSelector:
         {{ .Values.labels.registry.node_selector_key }}: {{ .Values.labels.registry.node_selector_value | quote }}
@@ -52,6 +53,7 @@ spec:
         - name: registry-proxy
 {{ tuple $envAll "registry_proxy" | include "helm-toolkit.snippets.image" | indent 10 }}
 {{ tuple $envAll $envAll.Values.pod.resources.registry_proxy | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "registry_proxy" "container" "registry_proxy" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           command:
             - /tmp/registry-proxy.sh
           volumeMounts:

registry/templates/deployment-registry.yaml

@@ -43,6 +43,7 @@ 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" "registry" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       affinity:
 {{ tuple $envAll "docker" "registry" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
@@ -54,6 +55,7 @@ spec:
         - name: registry
 {{ tuple $envAll "registry" | include "helm-toolkit.snippets.image" | indent 10 }}
 {{ tuple $envAll $envAll.Values.pod.resources.registry | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "registry" "container" "registry" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           ports:
             - name: d-reg
               containerPort: {{ tuple "docker_registry" "internal" "registry" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}

registry/values.yaml

@@ -75,6 +75,21 @@ conf:
       addr: null
 
 pod:
+  security_context:
+    registry_proxy:
+      pod:
+        runAsUser: 65534
+      container:
+        registry_proxy:
+          runAsUser: 0
+          readOnlyRootFilesystem: false
+    registry:
+      pod:
+        runAsUser: 65534
+      container:
+        registry:
+          allowPrivilegeEscalation: false
+          readOnlyRootFilesystem: true
   affinity:
     anti:
       type: