Implement helm-toolkit snippet to deckhand pods/containers

This updates the deckhand chart to include the pod
security context on the pod template.

This also adds the container security context to set
readOnlyRootFilesystem flag to true

Change-Id: I9bfd889b163e280cf17c4e7b49974a077e889f2f

charts/deckhand/templates/job-db-init.yaml

@@ -36,6 +36,7 @@ spec:
 {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
 {{ dict "envAll" $envAll "podName" "deckhand-db-init" "containerNames" (list "init" "deckhand-db-init") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
     spec:
+{{ dict "envAll" $envAll "application" "db_init" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       restartPolicy: OnFailure
       nodeSelector:
@@ -47,6 +48,7 @@ spec:
           image: {{ .Values.images.tags.db_init | quote }}
           imagePullPolicy: {{ .Values.images.pull_policy | quote }}
 {{ tuple $envAll $envAll.Values.pod.resources.jobs.db_init | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "db_init" "container" "deckhand_db_init" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           env:
             - name: USER_DB_NAME
               valueFrom:

charts/deckhand/templates/job-db-sync.yaml

@@ -36,6 +36,7 @@ spec:
 {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
 {{ dict "envAll" $envAll "podName" "deckhand-db-sync" "containerNames" (list "init" "deckhand-db-sync") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
     spec:
+{{ dict "envAll" $envAll "application" "db_sync" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
       serviceAccountName: {{ $serviceAccountName }}
       restartPolicy: OnFailure
       nodeSelector:
@@ -47,6 +48,7 @@ spec:
           image: {{ .Values.images.tags.db_sync | quote }}
           imagePullPolicy: {{ .Values.images.pull_policy | quote }}
 {{ tuple $envAll $envAll.Values.pod.resources.jobs.db_sync | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "db_sync" "container" "deckhand_db_sync" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           env:
             - name: DECKHAND_DB_URL
               valueFrom:

charts/deckhand/templates/tests/test-deckhand-api.yaml

@@ -30,6 +30,7 @@ metadata:
   labels:
 {{ tuple $envAll "deckhand" "api-test" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
 spec:
+{{ dict "envAll" $envAll "application" "api_test" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 2 }}
   restartPolicy: Never
   nodeSelector:
     {{ .Values.labels.test.node_selector_key }}: {{ .Values.labels.test.node_selector_value }}
@@ -41,6 +42,7 @@ spec:
       image: {{ .Values.images.tags.deckhand }}
       imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple . .Values.pod.resources.test.deckhand | include "helm-toolkit.snippets.kubernetes_resources" | indent 6 }}
+{{ dict "envAll" $envAll "application" "api_test" "container" "deckhand_api_test" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 6 }}
       command: ["/bin/bash", "-c", "curl -v -X GET --fail ${DECKHAND_URL}/api/v1.0/health; exit $?"]
 ...
 {{- end }}

charts/deckhand/values.yaml

@@ -346,6 +346,27 @@ pod:
         deckhand_api:
           readOnlyRootFilesystem: true
           allowPrivilegeEscalation: false
+    db_init:
+      pod:
+        runAsUser: 65534
+      container:
+        deckhand_db_init:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    db_sync:
+      pod:
+        runAsUser: 65534
+      container:
+        deckhand_db_sync:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    api_test:
+      pod:
+        runAsUser: 65534
+      container:
+        deckhand_api_test:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
   mounts:
     deckhand_db_init:
       init_container: null