github: Add GitHub Actions workflow.

This is an initial version of GitHub Actions support.  It mostly
mimics our current Travis CI build matrix with slight differences.

Minor difference that we can not install 32-bit versions of libunbound
since it is not avaialble in repository.

.travis folder renamed to .ci to highlight that it used not only for
Travis CI.  Travis CI support will be completely removed by the next
patch.

What happened to Travis CI:
https://mail.openvswitch.org/pipermail/ovs-dev/2020-November/377773.html

Acked-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
new file mode 100644
index 000000000..85ed2efcd
--- /dev/null
+++ b/.github/workflows/build-and-test.yml
@@ -0,0 +1,143 @@
+name: Build and Test
+
+on: [push, pull_request]
+
+jobs:
+  build-linux:
+    env:
+      dependencies: |
+        automake libtool gcc bc libjemalloc1 libjemalloc-dev    \
+        libssl-dev llvm-dev libelf-dev libnuma-dev              \
+        python-sphinx selinux-policy-dev gcc-multilib
+      CC:          ${{ matrix.compiler }}
+      DPDK:        ${{ matrix.dpdk }}
+      DPDK_SHARED: ${{ matrix.dpdk_shared }}
+      KERNEL:      ${{ matrix.kernel }}
+      LIBS:        ${{ matrix.libs }}
+      BUILD_ENV:   ${{ matrix.build_env }}
+      OPTS:        ${{ matrix.opts }}
+      TESTSUITE:   ${{ matrix.testsuite }}
+
+    name: linux ${{ join(matrix.*, ' ') }}
+    runs-on: ubuntu-16.04
+    timeout-minutes: 30
+
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler:    [gcc, clang]
+        kernel:      ['4.15.18', '4.14.111', '4.9.149', '4.4.148', '3.16.57']
+        opts:        ['']
+        testsuite:   ['']
+        dpdk:        ['']
+        dpdk_shared: ['']
+        build_env:   ['']
+        include:
+          - compiler:     gcc
+            opts:         --disable-ssl
+          - compiler:     clang
+            opts:         --disable-ssl
+
+          - compiler:     gcc
+            testsuite:    test
+            kernel:       3.16.54
+          - compiler:     clang
+            testsuite:    test
+            kernel:       3.16.54
+
+          - compiler:     gcc
+            testsuite:    test
+            opts:         --enable-shared
+          - compiler:     clang
+            testsuite:    test
+            opts:         --enable-shared
+
+          - compiler:     gcc
+            testsuite:    test
+            libs:         -ljemalloc
+          - compiler:     clang
+            testsuite:    test
+            libs:         -ljemalloc
+
+          - compiler:     gcc
+            dpdk:         dpdk
+            kernel:       3.16.54
+          - compiler:     clang
+            dpdk:         dpdk
+            kernel:       3.16.54
+
+          - compiler:     gcc
+            dpdk:         dpdk
+            kernel:       3.16.54
+            opts:         --enable-shared
+          - compiler:     clang
+            dpdk:         dpdk
+            kernel:       3.16.54
+            opts:         --enable-shared
+
+          - compiler:     gcc
+            build_env:    -m32
+            opts:         --disable-ssl
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v2
+
+    - name: install common dependencies
+      run:  sudo apt install -y ${{ env.dependencies }}
+    - name: install libunbound
+      if:   matrix.build_env == ''
+      run:  sudo apt install -y libunbound-dev
+
+    - name: prepare
+      run:  ./.ci/linux-prepare.sh
+
+    - name: build
+      run:  PATH="$PATH:$HOME/bin" ./.ci/linux-build.sh ${{ env.OPTS }}
+
+    - name: copy logs on failure
+      if: failure() || cancelled()
+      run: |
+        # upload-artifact@v2 throws exceptions if it tries to upload socket
+        # files and we could have some socket files in testsuite.dir.
+        # Also, upload-artifact@v2 doesn't work well enough with wildcards.
+        # So, we're just archiving everything here to avoid any issues.
+        mkdir logs
+        cp config.log ./logs/
+        cp -r ./*/_build/sub/tests/testsuite.* ./logs/ || true
+        tar -czvf logs.tgz logs/
+
+    - name: upload logs on failure
+      if: failure() || cancelled()
+      uses: actions/upload-artifact@v2
+      with:
+        name: logs-linux-${{ join(matrix.*, '-') }}
+        path: logs.tgz
+
+  build-osx:
+    env:
+      CC:    clang
+      OPTS:  --disable-ssl
+
+    name:    osx clang --disable-ssl
+    runs-on: macos-latest
+    timeout-minutes: 30
+
+    strategy:
+      fail-fast: false
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v2
+    - name: install dependencies
+      run:  brew install automake libtool
+    - name: prepare
+      run:  ./.ci/osx-prepare.sh
+    - name: build
+      run:  PATH="$PATH:$HOME/bin" ./.ci/osx-build.sh
+    - name: upload logs on failure
+      if: failure()
+      uses: actions/upload-artifact@v2
+      with:
+        name: logs-osx-clang---disable-ssl
+        path: config.log