ci: add integration tests to github actions

This is Ubuntu 20.04 so cgroup v1 testing.

Signed-off-by: Kir Kolyshkin <[email protected]>

.github/workflows/test.yml

@@ -0,0 +1,70 @@
+name: test
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  integration:
+    strategy:
+      matrix:
+        go-version: [1.14.x, 1.15.x]
+        criu-version: [3.15]
+        systemd: ["systemd", ""]
+        rootless: ["rootless", ""]
+        exclude:
+          # rootless + systemd is only supported with cgroupv2
+          - systemd: systemd
+            rootless: rootless
+    runs-on: ubuntu-20.04
+    steps:
+    - name: checkout
+      uses: actions/checkout@v2
+    - name: install deps
+      run: |
+        sudo apt update
+        sudo apt install libseccomp-dev
+    - name: cache criu binary
+      id: cache-criu
+      uses: actions/cache@v2
+      with:
+        path: /usr/local/bin/criu
+        key: criu-bin0-${{ matrix.criu-version }}-${{ matrix.os }}
+    - name: install criu
+      if: steps.cache-criu.outputs.cache-hit != 'true'
+      run: |
+        sudo apt install libnet-dev libprotobuf-dev libprotobuf-c-dev protobuf-c-compiler protobuf-compiler python-protobuf libnl-3-dev libcap-dev
+        mkdir criu
+        curl -fsSL https://github.com/checkpoint-restore/criu/archive/v${{ matrix.criu-version }}.tar.gz | tar -C criu -xz --strip-components=1
+        pushd criu
+        echo 1 > .gitid
+        sudo make -j $(nproc) install-criu
+        popd
+        rm -rf criu
+    - name: install bats
+      uses: mig4/setup-bats@v1
+      with:
+        bats-version: 1.2.1
+    - name: install go ${{ matrix.go-version }}
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: build
+      run: sudo -E PATH="$PATH" make all
+    - name: add rootless user
+      if: matrix.rootless == 'rootless'
+      run: |
+        sudo useradd -u2000 -m -d/home/rootless -s/bin/bash rootless
+        # Allow root to execute `ssh rootless@localhost` in tests/rootless.sh
+        ssh-keygen -t ecdsa -N "" -f $HOME/rootless.key
+        sudo mkdir -m 0700 -p /home/rootless/.ssh
+        sudo cp $HOME/rootless.key.pub /home/rootless/.ssh/authorized_keys
+        sudo chown -R rootless.rootless /home/rootless
+    - name: set RUNC_USE_SYSTEMD
+      if: ${{ matrix.systemd }} == 'systemd'
+      run: echo "RUNC_USE_SYSTEMD=yes" >> $GITHUB_ENV
+    - name: test
+      run: sudo -E PATH="$PATH" make local${{ matrix.rootless }}integration