Skip to content

Create and publish a Docker image of GCP PubSub emulator #340

Create and publish a Docker image of GCP PubSub emulator

Create and publish a Docker image of GCP PubSub emulator #340

name: Create and publish a Docker image of GCP PubSub emulator
on:
schedule:
- cron: '0 0 * * *'
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
TEST_TAG: ghcr.io/${{ github.repository }}:test
jobs:
check-and-compare:
name: Check and compare version of Google Cloud SDK
runs-on: ubuntu-latest
outputs:
new-version: ${{ steps.compare-versions.outputs.result }}
gcloud-skd-version: ${{ steps.get-latest-tags.outputs.google_cloud_sdk_version }}
steps:
- name: Check out repository code
id: check-out
uses: actions/checkout@v4
- name: Get latest tags
id: get-latest-tags
run: |
echo "google_cloud_sdk_version=$(skopeo list-tags docker://google/cloud-sdk \
| jq -r '.Tags[] | select(endswith("-emulators"))' | sort -V | tail -n 1 | cut -d '-' -f 1)" >> $GITHUB_OUTPUT
echo "gcp_pubsub_emulator_version=$(skopeo list-tags docker://${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} \
| jq -r '.Tags[] | select(. != "latest")' | sort -V | tail -n 1)" >> $GITHUB_OUTPUT
- name: Compare versions
id: compare-versions
uses: fabriziocacicia/[email protected]
with:
first: ${{ steps.get-latest-tags.outputs.google_cloud_sdk_version }}
second: ${{ steps.get-latest-tags.outputs.gcp_pubsub_emulator_version }}
buid-test-push:
name: Build, Test and Push Docker image
if: needs.check-and-compare.outputs.new-version == 'true'
runs-on: ubuntu-latest
needs: check-and-compare
permissions:
contents: read
packages: write
steps:
- name: Check out repository code
id: check-out
uses: actions/checkout@v4
- name: Set up Docker Buildx
id: setup-buildx
uses: docker/setup-buildx-action@v3
- name: Build container for tests
id: build-test-container
uses: docker/build-push-action@v5
with:
context: .
load: true
tags: ${{ env.TEST_TAG }}
build-args: |
GOOGLE_CLOUD_SDK_VERSION=${{ needs.check-and-compare.outputs.gcloud-skd-version }}
- name: Test container
id: test-container
env:
HOST: localhost
PORT: 8085
SUBSCRIPTION: v1/projects/myproject/subscriptions/mysubscription
CONTAINER_NAME: test-container
LOGS_FILE: output.log
run: |
docker run --rm --detach --name $CONTAINER_NAME ${{ env.TEST_TAG }}
while ! (docker exec $CONTAINER_NAME bash -c "(echo > /dev/tcp/$HOST/$PORT) >/dev/null 2>&1") ; do
echo "Waiting for $HOST:$PORT to become available..."
sleep 1
done
while [ "$(docker exec $CONTAINER_NAME curl -s -o /dev/null -w '%{http_code}' $HOST:$PORT/$SUBSCRIPTION)" -ne 200 ]; do
echo "Waiting for $SUBSCRIPTION to become created..."
sleep 1
done
docker logs $CONTAINER_NAME &> $LOGS_FILE
docker stop $CONTAINER_NAME > /dev/null
echo "Output logs: "
cat $LOGS_FILE
echo "Verifying log output..."
if grep -q "Server started, listening on 8085" $LOGS_FILE &&
grep -q "\[setup] Topic \[projects/myproject/topics/mytopic] created successfully" $LOGS_FILE &&
grep -q "\[setup] Subscription \[projects/myproject/subscriptions/mysubscription] created successfully" $LOGS_FILE; then
echo "Logs contains expected output."
exit 0
else
echo "Logs doesn't contains expected output."
exit 1
fi
- name: Login to ghcr.io
id: docker-login
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels) for Docker
id: extract-metadata
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=semver,pattern={{version}},value=${{ needs.check-and-compare.outputs.gcloud-skd-version }}
- name: Build and push Docker image
id: build-push-container
uses: docker/build-push-action@v5
with:
context: .
platforms: linux/amd64
push: true
provenance: false
build-args: |
GOOGLE_CLOUD_SDK_VERSION=${{ needs.check-and-compare.outputs.gcloud-skd-version }}
tags: ${{ steps.extract-metadata.outputs.tags }}
labels: ${{ steps.extract-metadata.outputs.labels }}