feat(manager/helm-values): add image support in helm values manager

lib/modules/manager/helm-values/extract.ts

@@ -48,10 +48,15 @@
   Object.entries(parsedContent).forEach(([key, value]) => {
     if (matchesHelmValuesDockerHeuristic(key, value)) {
       const currentItem = value;
-
       let registry = currentItem.registry;
       registry = registry ? `${registry}/` : '';
-      const repository = String(currentItem.repository);
+      if (
+        currentItem.repository === undefined &&
+        currentItem.image === undefined
+      ) {
+        logger.debug('repository and image are both undefined');
+      }
+      const repository = `${currentItem.repository ?? currentItem.image}`;
       const tag = `${currentItem.tag ?? currentItem.version}`;
       packageDependencies.push(getHelmDep(registry, repository, tag, config));
     } else if (matchesHelmValuesInlineImage(key, value)) {

lib/modules/manager/helm-values/readme.md

@@ -7,10 +7,15 @@ image:
   tag: v1.0.0
   registry: registry.example.com # optional key, will default to "docker.io"
 
+
 image:
   repository: 'some-docker/dependency'
   version: v1.0.0
 
+image:
+  image: 'some-docker/dependency'
+  version: v1.0.0
+
 coreImage:
   registry: docker.io
   repository: bitnami/harbor-core

lib/modules/manager/helm-values/types.ts

@@ -1,6 +1,7 @@
 export interface HelmDockerImageDependencyBasic {
   registry?: string;
-  repository: string;
+  repository?: string;
+  image?: string;
 }
 
 export interface HelmDockerImageDependencyTag

lib/modules/manager/helm-values/util.ts

@@ -30,7 +30,7 @@ export function matchesHelmValuesDockerHeuristic(
     parentKeyRe.test(parentKey) &&
     data &&
     typeof data === 'object' &&
-    hasKey('repository', data) &&
+    (hasKey('repository', data) || hasKey('image', data)) &&
     (hasKey('tag', data) || hasKey('version', data))
   );
 }