Switch from Travis CI to GitHub Actions

travis-ci.org is being shut down, so switch to GitHub Actions.

It should be mostly equivalent, but I did drop functionality in a couple
cases:

- Publishing release binaries.  I don't think providing Linux binaries
  is useful, since people build their own anyway.  So I left this out.

- Build and testing on ppc64le.  GitHub Actions only natively supports
  x86.  I tried uraimo/run-on-arch-action, which uses Docker and QEMU
  user-mode emulation, but the fscrypt tests can't be run because
  QEMU user-mode emulation doesn't support all the needed system calls.

1 files changed, 127 insertions, 0 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1a8de0b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,127 @@
+#
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+
+name: CI
+on: [pull_request, push]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        go: ['1.14', '1.13', '1.12', '1.11']
+    name: Build (Go ${{ matrix.go }})
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go }}
+    - name: Install dependencies
+      run: sudo apt-get install -y libpam0g-dev
+    - name: Build
+      run: GO111MODULE=on make
+
+  build-32bit:
+    name: Build (32-bit)
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+    - name: Install dependencies
+      run: |
+        sudo dpkg --add-architecture i386
+        sudo apt-get update
+        sudo apt-get install -y libpam0g-dev:i386 gcc-multilib
+    - name: Build
+      run: CGO_ENABLED=1 GOARCH=386 make
+
+  run-integration-tests:
+    name: Run integration tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+    - name: Install dependencies
+      run: sudo apt-get install -y libpam0g-dev e2fsprogs keyutils
+    - name: Run integration tests
+      run: |
+        make test-setup
+        keyctl link @u @s
+        make coverage.out
+        make test-teardown
+    - name: Report coverage
+      uses: shogo82148/actions-goveralls@v1
+      with:
+        path-to-profile: coverage.out
+
+  # This isn't working currently because qemu user-mode emulation doesn't
+  # support passing through the keyctl() system call and the fscrypt ioctls.
+  # Hopefully GitHub Actions will natively support other architectures soon...
+  #
+  # run-integration-tests-other-arch:
+  #   name: Run integration tests (${{ matrix.arch }})
+  #   strategy:
+  #     matrix:
+  #       arch: [armv7, aarch64, ppc64le]
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - uses: actions/checkout@v2
+  #     - uses: uraimo/run-on-arch-action@v2.0.5
+  #       with:
+  #         arch: ${{ matrix.arch }}
+  #         distro: buster
+  #         githubToken: ${{ github.token }}
+  #         # Needed for 'make test-setup' to mount the test filesystem.
+  #         dockerRunArgs: --privileged
+  #         install: |
+  #           apt-get update
+  #           apt-get install -y build-essential git sudo golang-go \
+  #                              libpam0g-dev e2fsprogs keyutils
+  #         run: |
+  #           export GO111MODULE=on
+  #           make test-setup
+  #           keyctl link @u @s
+  #           make test
+  #           make test-teardown
+
+  run-cli-tests:
+    name: Run command-line interface tests
+    # The cli tests require kernel 5.4 or later, and thus Ubuntu 20.04 or later.
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+    - name: Install dependencies
+      run: sudo apt-get install -y libpam0g-dev e2fsprogs expect keyutils
+    - name: Run command-line interface tests
+      run: make cli-test
+
+  generate-format-and-lint:
+    name: Generate, format, and lint
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+    - name: Install dependencies
+      run: |
+        sudo apt-get install -y libpam0g-dev shellcheck
+        make tools
+    - name: Generate
+      run: make gen && bin/files-changed proto
+    - name: Format
+      run: make format && bin/files-changed format
+    - name: Lint
+      run: make lint