Implement helm-toolkit snippet to drydock pods/containers

This updates the drydock 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: Ibeb60d0b88f3519730b5b76996ab137c5af4f4f5

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

@@ -36,6 +36,7 @@ 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" "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.drydock_db_init | quote }}
           imagePullPolicy: {{ .Values.images.pull_policy | quote }}
 {{ tuple $envAll $envAll.Values.pod.resources.jobs.drydock_db_init | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "db_init" "container" "drydock_db_init" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           env:
             - name: USER_DB_NAME
               valueFrom:

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

@@ -36,6 +36,7 @@ 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" "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.drydock_db_sync | quote }}
           imagePullPolicy: {{ .Values.images.pull_policy | quote }}
 {{ tuple $envAll $envAll.Values.pod.resources.jobs.drydock_db_sync | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+{{ dict "envAll" $envAll "application" "db_sync" "container" "drydock_db_sync" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
           env:
             - name: DRYDOCK_DB_URL
               valueFrom:

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

@@ -29,6 +29,7 @@ metadata:
   labels:
 {{ tuple $envAll "drydock" "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 }}
@@ -40,6 +41,7 @@ spec:
       image: {{ .Values.images.tags.drydock }}
       imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple . .Values.pod.resources.test | include "helm-toolkit.snippets.kubernetes_resources" | indent 6 }}
+{{ dict "envAll" $envAll "application" "api_test" "container" "drydock_api_test" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 6 }}
       command: ["/bin/bash", "-c", "curl -v -X GET --fail ${DRYDOCK_URL}/api/v1.0/health; exit $?"]
 ...
 {{- end }}

charts/drydock/templates/tests/test-drydock-auth.yaml

@@ -30,6 +30,7 @@ metadata:
   labels:
 {{ tuple $envAll "drydock" "auth-test" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
 spec:
+{{ dict "envAll" $envAll "application" "auth_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.drydock }}
       imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple . .Values.pod.resources.test | include "helm-toolkit.snippets.kubernetes_resources" | indent 6 }}
+{{ dict "envAll" $envAll "application" "auth_test" "container" "drydock_auth_test" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 6 }}
       command: ["/bin/bash", "-c", 'curl -v -X GET --fail ${DRYDOCK_URL}/api/v1.0/tasks; exit_code=$?; if [ "$exit_code" = "22" ]; then exit 0; fi; exit 1']
 ...
 {{- end }}

charts/drydock/values.yaml

@@ -79,8 +79,36 @@ pod:
         runAsUser: 65534
       container:
         drydock_api:
-          allowPrivilegeEscalation: false
           readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    db_init:
+      pod:
+        runAsUser: 65534
+      container:
+        drydock_db_init:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    db_sync:
+      pod:
+        runAsUser: 65534
+      container:
+        drydock_db_sync:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    api_test:
+      pod:
+        runAsUser: 65534
+      container:
+        drydock_api_test:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
+    auth_test:
+      pod:
+        runAsUser: 65534
+      container:
+        drydock_auth_test:
+          readOnlyRootFilesystem: true
+          allowPrivilegeEscalation: false
   lifecycle:
     upgrades:
       deployments: