Enable GitHub actions

.github/workflows/main.yaml

@@ -0,0 +1,24 @@
+name: Main
+on: [push, pull_request]
+jobs:
+  test-main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - run: docker build -t slirp4netns-tests -f Dockerfile.tests .
+    - run: docker run --rm --privileged slirp4netns-tests
+  test-build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - run: DOCKER_BUILDKIT=1 docker build -f Dockerfile.buildtests .
+  artifact:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - run: DOCKER_BUILDKIT=1 docker build -o /tmp/artifact --target artifact -f Dockerfile.buildtests .
+    - run: (cd /tmp/artifact; sha256sum *)
+    - uses: actions/upload-artifact@v1
+      with:
+        name: slirp4netns-x86_64
+        path: /tmp/artifact/slirp4netns

.github/workflows/release.yaml

@@ -0,0 +1,29 @@
+name: Release
+on:
+  push:
+    tags:
+    - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - run: DOCKER_BUILDKIT=1 docker build -o /tmp/artifact --target artifact -f Dockerfile.buildtests .
+    - run: (cd /tmp/artifact; sha256sum *)
+    - uses: actions/create-release@v1
+      id: create_release
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ github.ref }}
+        release_name: ${{ github.ref }}
+        draft: true
+    - uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: /tmp/artifact/slirp4netns
+        asset_name: slirp4netns-x86_64
+        asset_content_type: application/octet-stream

Dockerfile.buildtests

@@ -44,6 +44,10 @@ RUN ./autogen.sh
 FROM buildtest-opensuse151-common AS buildtest-opensuse151-dynamic
 RUN ./configure && make && cp -f slirp4netns /
 
+# artifact for GitHub actions
+FROM scratch AS artifact
+COPY --from=buildtest-alpine310-static /slirp4netns /slirp4netns
+
 FROM scratch AS buildtest-final-stage
 COPY --from=buildtest-alpine310-static /slirp4netns /buildtest-alpine310-static
 COPY --from=buildtest-ubuntu1804-dynamic /slirp4netns /buildtest-ubuntu1804-dynamic