Merge pull request earthobservations#172 from earthobservations/test-…

…docker

Build and publish Docker images

.github/release/full.test.yml

@@ -0,0 +1,4 @@
+sut:
+  build: full
+  # TODO: We might went to improve this. Just say "wetterdienst about system" here.
+  command: python -c 'import wradlib; print(wradlib.__version__)'

.github/release/full/Dockerfile

@@ -0,0 +1,40 @@
+# 1. Build GDAL-python
+FROM python:3.8.5-slim as build-step
+
+# TODO: This currently installs GDAL==2.4.0. For a more recent version, ...
+#
+# - Maybe use "ubuntu:focal" already?
+#   https://github.com/thinkWhere/GDAL-Docker/blob/develop/3.8-ubuntu/Dockerfile
+#
+# - See also:
+#   https://github.com/andrejreznik/docker-python-gdal
+#
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV TERM linux
+
+# Install GDAL.
+RUN apt-get update
+RUN apt-get --yes install build-essential libgdal-dev
+
+# Make sure you have numpy installed before you attempt to install the GDAL Python bindings.
+# https://gis.stackexchange.com/a/274328
+RUN pip install numpy
+RUN pip install GDAL==$(gdal-config --version)
+
+# Install wradlib.
+RUN pip install wradlib
+
+
+# 2. Main
+FROM python:3.8.5-slim
+
+# Install libgdal.
+RUN apt-get update
+RUN apt-get --yes install libgdal20
+
+# Copy build artefacts from first build step.
+COPY --from=build-step /usr/local/lib /usr/local/lib
+
+# Install Wetterdienst.
+RUN pip install wetterdienst[excel]

.github/release/standard.test.yml

@@ -0,0 +1,3 @@
+sut:
+  build: standard
+  command: wetterdienst about parameters

.github/release/standard/Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.8.5-slim
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV TERM linux
+
+RUN pip install wetterdienst[excel]

.github/workflows/README.md

@@ -2,3 +2,7 @@ Check out the guide that was used to create the CI environment including setting
 
 - https://medium.com/@cjolowicz/hypermodern-python-d44485d9d769
 - https://cjolowicz.github.io/posts/hypermodern-python-01-setup/
+
+- https://docs.github.com/en/actions/creating-actions/creating-a-docker-container-action
+- https://docs.github.com/en/actions/creating-actions/dockerfile-support-for-github-actions
+- https://docs.github.com/en/actions/guides/publishing-docker-images

.github/workflows/docker-publish-full.yml

@@ -0,0 +1,77 @@
+name: Docker Full
+
+on:
+  push:
+    # Publish `master` as Docker `latest` image.
+    branches:
+      - master
+      - test-docker
+
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
+
+  # Run tests for any PRs.
+  pull_request:
+
+env:
+  IMAGE_NAME: wetterdienst-full
+
+jobs:
+  # Run tests.
+  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+          if [[ -f .github/release/full.test.yml ]]; then
+            docker-compose --file .github/release/full.test.yml build
+            docker-compose --file .github/release/full.test.yml run sut
+          fi
+
+  # Push image to GitHub Packages.
+  # See also https://docs.docker.com/docker-hub/builds/
+  push:
+    # Ensure test job passes before pushing image.
+    needs: test
+
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build image
+        run: docker build . --file .github/release/full/Dockerfile --tag $IMAGE_NAME
+
+      - name: Log into GitHub Container Registry
+      # TODO: Create a PAT with `read:packages` and `write:packages` scopes and save it as an Actions secret `CR_PAT`
+        run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image to GitHub Container Registry
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION
+
+          echo "Published image $IMAGE_ID:$VERSION"

.github/workflows/docker-publish-standard.yml

@@ -0,0 +1,77 @@
+name: Docker Standard
+
+on:
+  push:
+    # Publish `master` as Docker `latest` image.
+    branches:
+      - master
+      - test-docker
+
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
+
+  # Run tests for any PRs.
+  pull_request:
+
+env:
+  IMAGE_NAME: wetterdienst-standard
+
+jobs:
+  # Run tests.
+  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+          if [[ -f .github/release/standard.test.yml ]]; then
+            docker-compose --file .github/release/standard.test.yml build
+            docker-compose --file .github/release/standard.test.yml run sut
+          fi
+
+  # Push image to GitHub Packages.
+  # See also https://docs.docker.com/docker-hub/builds/
+  push:
+    # Ensure test job passes before pushing image.
+    needs: test
+
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build image
+        run: docker build . --file .github/release/standard/Dockerfile --tag $IMAGE_NAME
+
+      - name: Log into GitHub Container Registry
+      # TODO: Create a PAT with `read:packages` and `write:packages` scopes and save it as an Actions secret `CR_PAT`
+        run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image to GitHub Container Registry
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION
+
+          echo "Published image $IMAGE_ID:$VERSION"