refactor!: Rename action to publish-image-index-manifest

.github/workflows/smoke-build.yaml

@@ -88,7 +88,7 @@ jobs:
           persist-credentials: false
 
       - name: Publish and Sign Image Index Manifest to oci.stackable.tech
-        uses: ./publish-index-manifest
+        uses: ./publish-image-index-manifest
         with:
           image-registry-uri: oci.stackable.tech
           image-registry-username: robot$stackable+github-action-build

README.md

@@ -24,7 +24,7 @@ particular step in a workflow.
 - [build-product-image](./build-product-image/README.md)
 - [free-disk-space](./free-disk-space/README.md)
 - [publish-image](./publish-image/README.md)
-- [publish-index-manifest](./publish-index-manifest/README.md)
+- [publish-image-index-manifest](./publish-image-index-manifest/README.md)
 - [run-integration-test](./run-integration-test/README.md)
 - [run-pre-commit](./run-pre-commit/README.md)
 - [send-slack-notification](./send-slack-notification/README.md)

publish-index-manifest/README.md → publish-image-index-manifest/README.md

@@ -1,6 +1,6 @@
-# `publish-index-manifest`
+# `publish-image-index-manifest`
 
-> Manifest: [publish-index-manifest/action.yml][publish-index-manifest]
+> Manifest: [publish-image-index-manifest/action.yml][publish-image-index-manifest]
 
 This action creates an image index manifest, publishes it, and signs it. It does the following work:
 
@@ -11,7 +11,7 @@ This action creates an image index manifest, publishes it, and signs it. It does
 ## Inputs and Outputs
 
 > [!TIP]
-> For descriptions of the inputs and outputs, see the complete [publish-index-manifest] action.
+> For descriptions of the inputs and outputs, see the complete [publish-image-index-manifest] action.
 
 ### Inputs
 
@@ -24,6 +24,6 @@ This action creates an image index manifest, publishes it, and signs it. It does
 
 ### Outputs
 
-None
+- `image-index-uri`: The final image index URI, eg. `oci.stackable.tech/spd/kafka:3.4.1-stackable0.0.0-dev`.
 
-[publish-index-manifest]: ./action.yaml
+[publish-image-index-manifest]: ./action.yaml

publish-index-manifest/action.yaml → publish-image-index-manifest/action.yaml

@@ -28,6 +28,10 @@ inputs:
       ["amd64", "arm64", "riscv"]
     default: |
       ["amd64", "arm64"]
+outputs:
+  image-index-uri:
+    description: The Image Index URI.
+    value: ${{ steps.create-index.outputs.IMAGE_INDEX_URI }}
 runs:
   using: composite
   steps:
@@ -49,7 +53,8 @@ runs:
         set -euo pipefail
         echo "GITHUB_ACTION_PATH=$GITHUB_ACTION_PATH" | tee -a "$GITHUB_ENV"
 
-    - name: Create Image Index Manifest
+    - name: Create Image Index Manifest Manifest
+      id: create-index
       shell: bash
       env:
         IMAGE_INDEX_MANIFEST_TAG: ${{ inputs.image-index-manifest-tag }}
@@ -63,6 +68,7 @@ runs:
         # oci.stackable.tech/sdp/kafka:3.4.1-stackable0.0.0-dev
         IMAGE_INDEX_URI="$REGISTRY_URI/$IMAGE_REPOSITORY:$IMAGE_INDEX_MANIFEST_TAG"
         echo "IMAGE_INDEX_URI=$IMAGE_INDEX_URI" | tee -a "$GITHUB_ENV"
+        echo "IMAGE_INDEX_URI=$IMAGE_INDEX_URI" | tee -a "$GITHUB_OUTPUT"
 
         AMEND_OPTIONS=$(
           jq \