feat: add initContainer support

templates/deployment-registry.yaml

@@ -17,6 +17,10 @@ spec:
  app.kubernetes.io/component: registry
  spec:
  serviceAccountName: {{ include "apicurio-registry.name" . }}
+ {{- with .Values.registry.initContainers }}
+ initContainers:
+ {{- toYaml . | nindent 10 }}
+ {{- end }}
  containers:
  - name: registry
  image: {{ include "apicurio-registry.image" .Values.registry }}

templates/deployment-sync.yaml

@@ -17,6 +17,10 @@ spec:
  app.kubernetes.io/component: sync
  spec:
  serviceAccountName: {{ include "apicurio-registry.name" . }}
+ {{- with .Values.sync.initContainers }}
+ initContainers:
+ {{- toYaml . | nindent 10 }}
+ {{- end }}
  containers:
  - name: sync
  image: {{ .Values.sync.image.registry }}/{{ .Values.sync.image.repository }}:{{ .Values.sync.image.tag }}

test/linter/test.sh

@@ -80,6 +80,26 @@ if [ $? -ne 0 ]; then
  exit 1
 fi
 
+helm lint . --strict --set registry.initContainers[0].image=foo
+if [ $? -ne 0 ]; then
+ exit 1
+fi
+
+helm lint . --strict --set sync.initContainers[0].image=foo
+if [ $? -ne 0 ]; then
+ exit 1
+fi
+
+helm lint . --strict --set registry.initContainers.name=foo
+if [ $? -eq 0 ]; then
+ exit 1
+fi
+
+helm lint . --strict --set sync.initContainers.name=foo
+if [ $? -eq 0 ]; then
+ exit 1
+fi
+
 echo "=================================================================================="
 echo " LINT PASSED"
 echo "=================================================================================="

test/unit/initcontainer_registry_test.yaml

@@ -0,0 +1,44 @@
+---
+suite: test registry init container
+templates:
+ - deployment-registry.yaml
+tests:
+ - it: empty init container
+ asserts:
+ - notExists:
+ path: spec.template.spec.initContainers
+ - it: dummy init container
+ set:
+ registry:
+ initContainers:
+ - name: hello-world
+ image: dummy
+ command:
+ - /bin/sh
+ - -c
+ - echo "hello world"
+ volumeMounts:
+ - name: foo
+ mountPath: /bar
+ env:
+ - name: ENV_VAR
+ value: VALUE
+ asserts:
+ - equal:
+ path: spec.template.spec.initContainers[0].name
+ value: hello-world
+ - equal:
+ path: spec.template.spec.initContainers[0].command
+ value: [/bin/sh, -c, echo "hello world"]
+ - equal:
+ path: spec.template.spec.initContainers[0].volumeMounts[0].name
+ value: foo
+ - equal:
+ path: spec.template.spec.initContainers[0].volumeMounts[0].mountPath
+ value: /bar
+ - equal:
+ path: spec.template.spec.initContainers[0].env[0].name
+ value: ENV_VAR
+ - equal:
+ path: spec.template.spec.initContainers[0].env[0].value
+ value: VALUE

test/unit/initcontainer_sync_test.yaml

@@ -0,0 +1,47 @@
+---
+suite: test sync init container
+templates:
+ - deployment-sync.yaml
+tests:
+ - it: empty init container
+ asserts:
+ - notExists:
+ path: spec.template.spec.initContainers
+ - it: dummy init container
+ set:
+ sync:
+ initContainers:
+ - name: hello-world
+ image: dummy
+ command:
+ - /bin/sh
+ - -c
+ - echo "hello world"
+ volumeMounts:
+ - name: foo
+ mountPath: /bar
+ env:
+ - name: ENV_VAR
+ value: VALUE
+ asserts:
+ - equal:
+ path: spec.template.spec.initContainers[0].name
+ value: hello-world
+ - equal:
+ path: spec.template.spec.initContainers[0].image
+ value: dummy
+ - equal:
+ path: spec.template.spec.initContainers[0].command
+ value: [/bin/sh, -c, echo "hello world"]
+ - equal:
+ path: spec.template.spec.initContainers[0].volumeMounts[0].name
+ value: foo
+ - equal:
+ path: spec.template.spec.initContainers[0].volumeMounts[0].mountPath
+ value: /bar
+ - equal:
+ path: spec.template.spec.initContainers[0].env[0].name
+ value: ENV_VAR
+ - equal:
+ path: spec.template.spec.initContainers[0].env[0].value
+ value: VALUE

values.schema.json

@@ -54,6 +54,9 @@
  "value": {"type": "string"}
  }
  },
+ "initContainers": {
+ "type": "array", "default": []
+ },
  "ingress": {
  "type": "object", "title": "ingress resource for registry",
  "required": ["enabled", "host", "path"],
@@ -80,6 +83,7 @@
  "enabled": {"$ref": "#/definitions/isEnabled"},
  "image": {"$ref": "#/definitions/dockerImage"},
  "nodeSelector": {"type": "object", "title": "node selector for registry"},
+ "initContainers": {"$ref": "#/definitions/initContainers"},
  "extraEnv": {
  "type": "array", "default": [],
  "items": {"$ref": "#/definitions/keyValue"}
@@ -97,6 +101,7 @@
  "enabled": {"$ref": "#/definitions/isEnabled"},
  "image": {"$ref": "#/definitions/dockerImage"},
  "nodeSelector": {"type": "object", "title": "node selector for registry content sync"},
+ "initContainers": {"$ref": "#/definitions/initContainers"},
  "resources": {"$ref": "#/definitions/podResources"},
  "registryUrl": {"type": ["null", "string"], "default": null}
  }

values.yaml

@@ -17,6 +17,8 @@ registry:
  tag: "2.4.14.Final"
  # optional node selector
  nodeSelector: {}
+ # optional init containers
+ initContainers: []
  # list of name, value pairs of extra environment vars
  extraEnv: []
  # - name: SOME_ENV
@@ -45,6 +47,8 @@ sync:
  tag: "1.0.1"
  # optional node selector
  nodeSelector: {}
+ # optional init containers
+ initContainers: []
  # registryUrl:
  resources: {}
  # limits: