cke-tools: Migrate to ghcr.io

.github/workflows/release-tools.yaml

@@ -16,9 +16,20 @@ jobs:
         run: |
           cd tools
           make all
-      - name: Push cke-tools image to Quay.io
-        run: |
-          echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USER }} --password-stdin quay.io
-          TAG=quay.io/cybozu/cke-tools:${GITHUB_REF#refs/tags/tools-}
-          docker build --no-cache -t $TAG tools
-          docker push $TAG
+      - name: Extract tag
+        id: extract-tag
+        run: echo "tag=${GITHUB_REF#refs/tags/tools-}" >> $GITHUB_OUTPUT
+      - name: Log in to ghcr.io
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and Push cke-tools
+        uses: docker/build-push-action@v5
+        with:
+          context: ./tools
+          push: true
+          platforms: linux/amd64
+          tags: ghcr.io/${{ github.repository_owner }}/cke-tools:${{ steps.extract-tag.outputs.tag }}
+          labels: org.opencontainers.image.source=https://github.com/${{ github.repository }}

tools/Makefile

@@ -1,5 +1,5 @@
 CNI_PLUGIN_VERSION = 1.3.0
-TAG = quay.io/cybozu/cke-tools:dev
+TAG = ghcr.io/cybozu-go/cke-tools:dev
 GOBUILD = CGO_ENABLED=0 go build -ldflags="-w -s"
 
 .PHONY: all

tools/README.md

@@ -1,5 +1,5 @@
 This directory contains source code to build `cke-tools`, a helper container for CKE.
 
-The container image is pushed to [quay.io/cybozu/cke-tools](https://quay.io/repository/cybozu/cke-tools) by GitHub Actions.
+The container image is pushed to [ghcr.io/cybozu-go/cke-tools](https://github.com/cybozu-go/cke/pkgs/container/cke-tools) by GitHub Actions.
 
 See [RELEASE.md](RELEASE.md) for how to push a new image version.

tools/RELEASE.md

@@ -51,6 +51,6 @@ The patch version is increased with `cke-tools` update.
     $ git push origin "tools-$VERSION"
     ```
 
-GitHub Actions will build and push the new image as `quay.io/cybozu/cke-tools:X.Y.Z`.
+GitHub Actions will build and push the new image as `ghcr.io/cybozu-go/cke-tools:X.Y.Z`.
 
 [semver]: https://semver.org/spec/v2.0.0.html