Add Helm support for the --deletion-policy CLI arg (#388)

Description of changes:
Adds a new value in `values.yaml` named `deletionPolicy` to support the controller CLI argument `--deletion-policy`. Supports values of `delete` and `retain`

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: RedbackThomson

go.mod

@@ -3,7 +3,7 @@ module github.com/aws-controllers-k8s/code-generator
 go 1.17
 
 require (
-	github.com/aws-controllers-k8s/runtime v0.21.0
+	github.com/aws-controllers-k8s/runtime v0.22.1
 	github.com/aws/aws-sdk-go v1.44.93
 	github.com/dlclark/regexp2 v1.4.0
 	// pin to v0.1.1 due to release problem with v0.1.2

go.sum

@@ -90,8 +90,8 @@ github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPd
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/aws-controllers-k8s/runtime v0.21.0 h1:e9DK88QodwXMLz+QXPXk+8XNetVj4ij+puaVwn9uEVc=
-github.com/aws-controllers-k8s/runtime v0.21.0/go.mod h1:k7z4qlf6aK1Kzd4ff49wzcyhDKHjWaUpqxrwgl4uS1o=
+github.com/aws-controllers-k8s/runtime v0.22.1 h1:V5AKMBjGmq3sblGYrVYvi+6utW4CiIVotWA60Ym9T84=
+github.com/aws-controllers-k8s/runtime v0.22.1/go.mod h1:k7z4qlf6aK1Kzd4ff49wzcyhDKHjWaUpqxrwgl4uS1o=
 github.com/aws/aws-sdk-go v1.44.93 h1:hAgd9fuaptBatSft27/5eBMdcA8+cIMqo96/tZ6rKl8=
 github.com/aws/aws-sdk-go v1.44.93/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
 github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=

templates/helm/templates/deployment.yaml

@@ -55,6 +55,8 @@ spec:
         - "$(ACK_RESOURCE_TAGS)"
         - --watch-namespace
         - "$(ACK_WATCH_NAMESPACE)"
+        - --deletion-policy
+        - "$(DELETION_POLICY)"
         image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
         imagePullPolicy: {{ .Values.image.pullPolicy }}
         name: controller
@@ -74,6 +76,8 @@ spec:
           value: {{ .Values.aws.endpoint_url | quote }}
         - name: ACK_WATCH_NAMESPACE
           value: {{ include "watch-namespace" . }}
+        - name: DELETION_POLICY
+          value: {{ .Values.deletionPolicy }}
         - name: ACK_ENABLE_DEVELOPMENT_LOGGING
           value: {{ .Values.log.enable_development_logging | quote }}
         - name: ACK_LOG_LEVEL

templates/helm/values.schema.json

@@ -203,6 +203,10 @@
         "pattern": "(^$|^.*=.*$)"
       }
     },
+    "deletionPolicy": {
+      "type": "string",
+      "enum": ["delete", "retain"]
+    },
     "serviceAccount": {
       "description": "ServiceAccount settings",
       "properties": {

templates/helm/values.yaml.tpl

@@ -78,6 +78,11 @@ resourceTags:
   - services.k8s.aws/controller-version=%CONTROLLER_SERVICE%-%CONTROLLER_VERSION%
   - services.k8s.aws/namespace=%K8S_NAMESPACE%
 
+# Set to "retain" to keep all AWS resources intact even after the K8s resources
+# have been deleted. By default, the ACK controller will delete the AWS resource
+# before the K8s resource is removed.
+deletionPolicy: delete
+
 serviceAccount:
   # Specifies whether a service account should be created
   create: true