Add publishing to DockerHub

Pull Request: #8 (main)

.github/workflows/ci.yml

@@ -7,14 +7,15 @@ on:
   push:
     branches:
       - main
+    tags:
+      - "v*"
 
 jobs:
   # Tests ci-storage tool itself.
-  ci-storage-test:
+  ci-storage-tool-test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Create dummy file
         run: |
           echo "dummy" > dummy.txt
@@ -38,41 +39,36 @@ jobs:
   # Builds and boots a self-hosted runner inside GitHub's infra. Once it's
   # settled, there is a running container with one self-hosted runner waiting
   # for jobs with "ci-storage-test" tag to pick up (based on Dockerfile image).
-  self-hosted-runner-build-and-boot-docker-container:
+  build-and-boot-containers:
     runs-on: ubuntu-latest
     timeout-minutes: 5
-    permissions:
-      actions: write
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Start test Docker containers
         run: |
-          exec 2>&1; set -o xtrace
+          exec 2>&1; set -e -o xtrace
           cd docker
           # Build all containers.
           docker compose build --parallel
-          # Boot ci-storage-host container in background.
-          docker compose up ci-storage-host -d
-          # Now boot self-hosted-runner container. It will connect to
-          # ci-storage-host container and load a test (non-existent) ci-storage
-          # slot from there, then register a GitHub self-hosted runner and
-          # remain waiting for jobs.
+          # Boot "host" container in background.
+          docker compose up host -d
+          # Boot "self-hosted-runner" container. It connects to "host" container
+          # and load a test (non-existent) ci-storage slot from there, then
+          # register a GitHub self-hosted runner and remain waiting for jobs.
           docker compose up self-hosted-runner
         env:
           GH_REPOSITORY: ${{ github.repository }}
           GH_LABELS: ci-storage-test
           GH_TOKEN: ${{ secrets.CI_PAT }}
 
-  # The test job with ci-storage-test tag which is initially queued, but then is
-  # picked up by the self-hosted-runner container booted in the previous job. In
-  # the end, the test job sends SIGINT to the container entrypoint.sh PID, so
+  # Test the job with "ci-storage-test" tag which is initially queued, but then
+  # is picked up by the self-hosted-runner container booted in the previous job.
+  # In the end, the test job sends SIGINT to the container entrypoint.sh PID, so
   # the container (based on Dockerfile image) shuts down gracefully.
-  self-hosted-runner-spawn-job-test:
+  spawn-job-test:
     runs-on: ["self-hosted", "ci-storage-test"]
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Run test job inside the self-hosted runner
         run: echo "Hello, world!"
       - name: Test store using GitHub Action
@@ -81,3 +77,53 @@ jobs:
           action: "store"
       - name: Kill self-hosted runner container
         run: kill -SIGINT $(cat ~user/entrypoint.pid)
+
+  # Publishes host image to Docker Hub.
+  push-host:
+    runs-on: ubuntu-latest
+    needs:
+      - ci-storage-tool-test
+      - build-and-boot-containers
+      - spawn-job-test
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: dimikot/ci-storage-host
+      - uses: docker/login-action@v3
+        if: github.event_name != 'pull_request'
+        with:
+          username: dimikot
+          password: ${{ secrets.DOCKERHUB_PAT }}
+      - uses: docker/build-push-action@v5
+        with:
+          context: docker/host
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  # Publishes self-hosted-runner image to Docker Hub.
+  push-self-hosted-runner:
+    runs-on: ubuntu-latest
+    needs:
+      - ci-storage-tool-test
+      - build-and-boot-containers
+      - spawn-job-test
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: dimikot/ci-storage-self-hosted-runner
+      - uses: docker/login-action@v3
+        if: github.event_name != 'pull_request'
+        with:
+          username: dimikot
+          password: ${{ secrets.DOCKERHUB_PAT }}
+      - uses: docker/build-push-action@v5
+        with:
+          context: docker/self-hosted-runner
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

docker/compose.yml

@@ -1,8 +1,8 @@
 version: "3.4"
 services:
-  ci-storage-host:
+  host:
     build:
-      context: ci-storage-host
+      context: host
       dockerfile: Dockerfile
     healthcheck:
       test: ["CMD", "bash", "-c", "netstat -ltn | grep -c :22"]
@@ -18,11 +18,11 @@ services:
       context: self-hosted-runner
       dockerfile: Dockerfile
     depends_on:
-      ci-storage-host:
+      host:
         condition: service_healthy
     environment:
       - GH_REPOSITORY=${GH_REPOSITORY:-dimikot/ci-storage}
       - GH_LABELS=${GH_LABELS:-ci-storage}
       - GH_TOKEN
-      - CI_STORAGE_HOST=${CI_STORAGE_HOST:-ci-storage-host}
+      - CI_STORAGE_HOST=${CI_STORAGE_HOST:-host}
       - CI_STORAGE_HOST_PRIVATE_KEY=${CI_STORAGE_HOST_PRIVATE_KEY_TEST_ONLY?}

docker/ci-storage-host/README.md → docker/host/README.md

@@ -5,5 +5,5 @@ Build an image from this Dockerfile to launch a simple SSH server with rsync.
 - Pre-creates /home/user/ci-storage directory.
 - Copies public key in CI_STORAGE_HOST_PUBLIC_KEY to user's authorized_keys.
 
-One ci-storage-host contain may serve multiple GitHub repositories. Each of them
-will have own directory in /home/user/ci-storage (managed by ci-storage tool).
+One "host" container may serve multiple GitHub repositories. Each of them will
+have own directory in /home/user/ci-storage (managed by ci-storage tool).