feat: Migrate travis CI to github actions, fixes #105

This moves the CI and release process to github actions from Travis

.github/workflows/build-and-test.yml

@@ -0,0 +1,42 @@
+name: Kubectl trace build and tests
+
+on: [push, pull_request]
+
+jobs:
+  build_and_test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-16.04, ubuntu-18.04] # 16.04.4 release has 4.15 kernel
+                                         # 18.04.3 release has 5.0.0 kernel
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run tests
+      run: |
+        make test
+    - name: Build kubectl trace binary
+      run: |
+        make _output/bin/kubectl-trace
+    - name: Build CI image
+      run: |
+       ./hack/ci-build-image.sh
+    - name: Run integration tests
+      run: |
+        make integration
+    - name: Build cross binaries
+      run: |
+        curl -LO https://github.com/goreleaser/goreleaser/releases/latest/download/goreleaser_amd64.deb && sudo dpkg -i goreleaser_amd64.deb
+        make cross
+    - uses: actions/upload-artifact@v1
+      with:
+        name: ${{ matrix.os }}-kubectl-trace-dist
+        path: _output/bin/kubectl-trace
+    - uses: actions/upload-artifact@v1
+      with:
+        name: ${{ matrix.os }}-kubectl-trace-cross-dist
+        path: dist
+    - name: Upload docker image
+      if: >
+        github.ref == 'ref/head/master'
+      run: |
+        ./hack/ci-release-image.sh

.github/workflows/goreleaser.yml

@@ -0,0 +1,26 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.14
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}