Switch to GitHub Actions

Travis CI is no longer free, so transition to using GitHub Actions to do
CI and release builds.

Note that while coverage data is being collected, it's not currently
being submitted to coveralls.io, as there doesn't appear to be good
GitHub Actions integration for Python with coveralls

.coveragerc

@@ -1,6 +1,6 @@
 [run]
 include =
-    ${TRAVIS_BUILD_DIR}/pyrex.py
+    ${GITHUB_WORKSPACE}/pyrex.py
 parallel = True
-data_file = ${TRAVIS_BUILD_DIR}/.coverage
+data_file = ${GITHUB_WORKSPACE}/.coverage
 

.github/workflows/main.yml

@@ -0,0 +1,119 @@
+name: build
+on:
+  push:
+    branches:
+      - master
+      - next
+  pull_request:
+    branches:
+      - master
+      - next
+  workflow_dispatch:
+
+jobs:
+  check:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.6
+
+      - name: Install python packages
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install \
+            black \
+            flake8
+
+      - name: Run black
+        run: |
+          black --check $(git ls-files '*.py')
+
+      - name: Run flake8
+        run: |
+          flake8 $(git ls-files '*.py')
+
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - {image: ubuntu-14.04-base,    provider: docker, sh: bash}
+          - {image: ubuntu-14.04-oe,      provider: docker, sh: bash}
+          - {image: ubuntu-16.04-base,    provider: docker, sh: bash}
+          - {image: ubuntu-16.04-oe,      provider: docker, sh: bash}
+          - {image: ubuntu-18.04-base,    provider: docker, sh: bash}
+          - {image: ubuntu-18.04-oe,      provider: docker, sh: zsh }
+          - {image: ubuntu-18.04-oetest,  provider: docker, sh: bash}
+          - {image: ubuntu-20.04-base,    provider: docker, sh: bash}
+          - {image: ubuntu-20.04-oe,      provider: docker, sh: bash}
+          - {image: ubuntu-20.04-oe,      provider: podman, sh: bash}
+          - {image: ubuntu-20.04-oetest,  provider: docker, sh: bash}
+
+    runs-on: ubuntu-20.04
+
+    env:
+      USE_HELPER: "1"
+      DOCKER_BUILDKIT: "1"
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.6
+
+      - name: Prepare build
+        run: ./ci/prepare.sh
+
+      - name: Install packages
+        run: |
+          sudo mkdir -p /etc/containers/
+          echo -e "[registries.search]\nregistries = ['docker.io']\n" | sudo tee /etc/containers/registries.conf
+          echo '{ "features": { "buildkit": true } }' | sudo tee /etc/docker/daemon.json
+          sudo apt -y install \
+            diffstat \
+            fuse-overlayfs \
+            zsh
+
+      - name: ${{ matrix.provider }} info
+        run: ${{ matrix.provider }} info
+
+      - name: Install python packages
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install coverage
+
+      - name: Build image
+        run: |
+          ./ci/build_image.py ${{ matrix.image }} --provider=${{ matrix.provider }}
+
+      - name: Test image
+        run:  |
+          export PYTHONPATH=${GITHUB_WORKSPACE}/ci/site/:$PYTHONPATH
+          export COVERAGE_PROCESS_START=${GITHUB_WORKSPACE}/.coveragerc
+          rm -f .coverage-report.*
+          ${{ matrix.sh }} -c "./ci/test.py -vb PyrexImage_${{ matrix.provider }}_$(echo ${{ matrix.image }} | sed 's/\W/_/g')"
+
+      - name: Combine coverage
+        run: |
+          coverage3 combine
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+        if: ${{ ( github.ref == 'refs/heads/next' || github.ref == 'refs/heads/master' ) && github.event_name == 'push' && matrix.provider == 'docker' }}
+
+      - name: Push image
+        run: |
+          TAG="${GITHUB_REF##*/}"
+          if [ "$TAG" = "master" ]; then
+            TAG="latest"
+          fi
+          docker tag garminpyrex/${{ matrix.image }}:ci-test garminpyrex/${{ matrix.image }}:$TAG
+          docker push garminpyrex/${{ matrix.image }}:$TAG
+        if: ${{ ( github.ref == 'refs/heads/next' || github.ref == 'refs/heads/master' ) && github.event_name == 'push' && matrix.provider == 'docker' }}

.github/workflows/release.yml

@@ -0,0 +1,59 @@
+name: release
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - image: ubuntu-14.04-base
+          - image: ubuntu-14.04-oe
+          - image: ubuntu-16.04-base
+          - image: ubuntu-16.04-oe
+          - image: ubuntu-18.04-base
+          - image: ubuntu-18.04-oe
+          - image: ubuntu-18.04-oetest
+          - image: ubuntu-20.04-base
+          - image: ubuntu-20.04-oe
+          - image: ubuntu-20.04-oetest
+
+    runs-on: ubuntu-20.04
+
+    env:
+      USE_HELPER: "1"
+      DOCKER_BUILDKIT: "1"
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.6
+
+      - name: Prepare build
+        run: ./ci/prepare.sh
+
+      - name: Install packages
+        run: |
+          sudo apt install -y diffstat
+
+      - name: Install python packages
+        run: |
+          python3 -m pip install --upgrade pip
+          pip3 install requests
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Deploy image
+        run: |
+          export RELEASE_TAG="${GITHUB_REF##*/}"
+          ./ci/deploy_docker.py "${{ matrix.image }}:$RELEASE_TAG"
+

DEVELOPING.md

@@ -83,18 +83,19 @@ To make a release of Pyrex:
    intended for general consumption should always be in the form
    `MAJOR.MINOR.MICRO` without any suffix. Push this change to the master
    branch.
-2. Wait for [Travis](https://travis-ci.org/garmin/pyrex/branches) to finish the
-   CI build and verify it passes, or manually test it with
+2. Wait for the [CI build](https://github.com/garmin/pyrex/actions?query=workflow%3Abuild)
+   to finish and verify it passes, or manually test it with
     ```shell
     ./ci/test.py -vbf
     ```
 3. Create a new [GitHub Release](https://github.com/garmin/pyrex/releases). The
    release must be tagged with the version in `pyrex.py`, prefixed with `v`.
    For example, the `1.0.0` release would be tagged `v1.0.0`
-4. Tagging the repository will trigger a new Travis CI build. This build will
+4. Tagging the repository will trigger a new CI build. This build will
    automatically push the container images to
    [dockerhub](https://cloud.docker.com/u/garminpyrex/repository/list) using
-   the same tag that was created for the release. Verify that the CI build
+   the same tag that was created for the release. Verify that the
+   [Release build](https://github.com/garmin/pyrex/actions?query=workflow%3Arelease)
    passes and the container images are pushed. In the unlikely event this
    fails, delete the release, fix the issue, and try again. To manually deploy
    a release, run:

README.md

@@ -1,7 +1,7 @@
 # Pyrex
 Containerize your bitbake
 
-[![Build Status](https://travis-ci.com/garmin/pyrex.svg?branch=master)](https://travis-ci.com/garmin/pyrex)
+[![Build Status](https://github.com/garmin/pyrex/workflows/build/badge.svg?event=push&branch=master)](https://github.com/garmin/pyrex/actions?query=workflow%3Abuild+event%3Apush+branch%3Amaster)
 [![Coverage Status](https://coveralls.io/repos/github/garmin/pyrex/badge.svg?branch=master)](https://coveralls.io/github/garmin/pyrex?branch=master)
 
 ## Quickstart Guide (default layout)

ci/deploy_docker.py

@@ -174,8 +174,6 @@ def main():
         image = args.image
         if ":" in image:
             image, tag = image.split(":", 1)
-        elif "TRAVIS_TAG" in os.environ:
-            tag = os.environ["TRAVIS_TAG"] or "latest"
         else:
             tag = "latest"
 

ci/site/sitecustomize.py

@@ -0,0 +1,3 @@
+import coverage
+
+coverage.current_coverage = coverage.process_startup()

ci/test.py

@@ -549,8 +549,8 @@ def test_version(self):
 
     def test_version_tag(self):
         tag = None
-        if os.environ.get("TRAVIS_TAG"):
-            tag = os.environ["TRAVIS_TAG"]
+        if os.environ.get("RELEASE_TAG"):
+            tag = os.environ["RELEASE_TAG"]
         else:
             try:
                 tags = (