Handle mixed case names in build-image workflows (#21)

The container build workflows fail if the GitHub organization name or repository name use mixed case, since Docker only supports lower-cased image names. Updated workflows to use the docker/metadata-action tags output since that action handles the normalization, and added normalization to the Makefile.
stacklok · Oct 9, 2024 · 5dfa299 · 5dfa299
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diff --git a/.github/workflows/build-image-signed-cosign-malicious.yml b/.github/workflows/build-image-signed-cosign-malicious.yml
@@ -8,7 +8,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -20,6 +19,8 @@ jobs:
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
 
       - name: The malicious step
+        env:
+          IMAGE_NAME: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
         run: |
           make build-malicious-image
 
@@ -41,23 +42,25 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=raw,value=daily
 
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:daily
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-
       - name: Sign the published Docker image
         env:
+          TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
         run: |
           cosign version
-          echo "ghcr.io/${{ github.repository }}:daily" | xargs -I {} cosign sign --yes {}@${DIGEST}
-          echo "ghcr.io/${{ github.repository }}:latest" | xargs -I {} cosign sign --yes {}@${DIGEST}
+          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/.github/workflows/build-image-signed-cosign-static-copied.yml b/.github/workflows/build-image-signed-cosign-static-copied.yml
@@ -8,7 +8,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -37,20 +36,22 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=static
 
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:static
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
-          file : Dockerfile.static
-
+          file: Dockerfile.static
 
       - name: Sign the published Docker image
         env:
+          TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
         run: |
           cosign version
-          echo "ghcr.io/${{ github.repository }}:static" | xargs -I {} cosign sign --yes {}@${DIGEST}
+          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/.github/workflows/build-image-signed-cosign-static.yml b/.github/workflows/build-image-signed-cosign-static.yml
@@ -8,7 +8,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -37,20 +36,22 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=static
 
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:static
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
-          file : Dockerfile.static
-
+          file: Dockerfile.static
 
       - name: Sign the published Docker image
         env:
+          TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
         run: |
           cosign version
-          echo "ghcr.io/${{ github.repository }}:static" | xargs -I {} cosign sign --yes {}@${DIGEST}
+          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/.github/workflows/build-image-signed-cosign.yml b/.github/workflows/build-image-signed-cosign.yml
@@ -8,7 +8,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -37,23 +36,25 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=raw,value=daily
 
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:daily
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-
       - name: Sign the published Docker image
         env:
+          TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
         run: |
           cosign version
-          echo "ghcr.io/${{ github.repository }}:daily" | xargs -I {} cosign sign --yes {}@${DIGEST}
-          echo "ghcr.io/${{ github.repository }}:latest" | xargs -I {} cosign sign --yes {}@${DIGEST}
+          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/.github/workflows/build-image-signed-ghat-malicious.yml b/.github/workflows/build-image-signed-ghat-malicious.yml
@@ -2,6 +2,10 @@ name: image-signed-ghat(latest)-malicious
 on:
   workflow_dispatch:
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -16,6 +20,8 @@ jobs:
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
 
       - name: The malicious step
+        env:
+          IMAGE_NAME: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
         run: |
           make build-malicious-image
 
@@ -26,12 +32,20 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+
       - name: Build and push image
         id: push-step
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:latest
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
 
       - name: Attest image

diff --git a/.github/workflows/build-image-signed-ghat-static-copied.yml b/.github/workflows/build-image-signed-ghat-static-copied.yml
@@ -2,6 +2,10 @@ name: image-signed-ghat(static)-copied
 on:
   workflow_dispatch:
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -22,14 +26,22 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=static
+
       - name: Build and push image
         id: push-step
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:static
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
-          file : Dockerfile.static
+          file: Dockerfile.static
 
       - name: Attest image
         uses: actions/attest-build-provenance@v1.4.1

diff --git a/.github/workflows/build-image-signed-ghat-static.yml b/.github/workflows/build-image-signed-ghat-static.yml
@@ -2,6 +2,10 @@ name: image-signed-ghat(static)
 on:
   workflow_dispatch:
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -22,14 +26,22 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=static
+
       - name: Build and push image
         id: push-step
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:static
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
-          file : Dockerfile.static
+          file: Dockerfile.static
 
       - name: Attest image
         uses: actions/attest-build-provenance@v1.4.1

diff --git a/.github/workflows/build-image-signed-ghat.yml b/.github/workflows/build-image-signed-ghat.yml
@@ -2,6 +2,10 @@ name: image-signed-ghat(latest)
 on:
   workflow_dispatch:
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -22,12 +26,20 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+
       - name: Build and push image
         id: push-step
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           push: true
-          tags: ghcr.io/${{ github.repository }}:latest
+          tags: ${{ steps.meta.outputs.tags }}
           context: .
 
       - name: Attest image

diff --git a/.github/workflows/build-image-unsigned.yml b/.github/workflows/build-image-unsigned.yml
@@ -8,7 +8,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -19,11 +18,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
 
-#      - name: Install Cosign
-#        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
-#        with:
-#          cosign-release: 'v2.1.1'
-
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
 
@@ -39,21 +33,17 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=raw,value=daily
 
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:daily
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
-
-#      - name: Sign the published Docker image
-#        env:
-#          DIGEST: ${{ steps.build-and-push.outputs.digest }}
-#        run: |
-#          echo "ghcr.io/${{ github.repository }}:daily" | xargs -I {} cosign sign --yes {}@${DIGEST}
-#          echo "ghcr.io/${{ github.repository }}:latest" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/Makefile b/Makefile
@@ -1,6 +1,9 @@
 # Replace this with your image name, i.e. ghcr.io/<your-username>/demo-repo-js:latest
 IMAGE_NAME?=ghcr.io/stacklok/demo-repo-js:latest
 
+# Lowercase the image name to handle mixed-case GitHub org/repo names
+IMAGE_NAME := $(shell echo $(IMAGE_NAME) | tr '[:upper:]' '[:lower:]')
+
 # Replace this with your GitHub username and PAT.
 # This is used to authenticate with GitHub Container Registry (GHCR)
 # and push the image to your repository.

diff --git a/README.md b/README.md
@@ -3,12 +3,11 @@
 ## Overview
 
 The `demo-repo-js` project is a repository template primarily intended for testing and
-demonstration purposes with stacklok projects. It is a simple JS project that allows you to
+demonstration purposes with Stacklok projects. It is a simple JavaScript project that allows you to
 quickly get started with testing and demonstrating how you can use Minder and Trusty with
-your Python projects. It features continuous integration (CI) workflows that demonstrate how to
+your JavaScript projects. It features continuous integration (CI) workflows that demonstrate how to
 build, test, and sign artifacts using Sigstore and GitHub Attestations.
 
-
 ## Features
 
 - Pre-configured `package.json` with `react` and `next` dependencies
@@ -17,18 +16,21 @@ build, test, and sign artifacts using Sigstore and GitHub Attestations.
 - Dockerfile for building a container image
 
 GitHub Actions workflows for:
+
 - Producing signed and unsigned artifacts using Sigstore and GitHub attestations API
 - Producing artifacts such as container images and binaries
 - Producing container images that are reproducible (always the same digest)
 - Producing "malicious" container images for testing purposes (e.g., code content was altered while building the image)
 
 Makefile targets for simulating out-of-band signing of artifacts (both intended and not):
+
 - Generating signed container images and "malicious" images
 - Pushing container images to container registry (GHCR)
 - Generating a local key pair for signing container images
 - Sign container images using Sigstore by using a local key pair or by going through the Sigstore OIDC sign-in flow
 
 Branches:
+
 - Set of pre-created branches to use for opening PRs each demonstrating a different feature or use case with Minder and Trusty
 
 ## How to Use This Template