Add github actions workflows for unit and it tests

.github/workflows/build.yaml

@@ -0,0 +1,68 @@
+name: Build & Unit Tests
+
+permissions: {}
+
+on:
+  # push:
+  #   branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  # check-if-duplicate-action:
+  #   continue-on-error: true
+  #   runs-on: ubuntu-latest
+  #   outputs:
+  #     should_skip: ${{ steps.skip_check.outputs.should_skip }}
+  #   steps:
+  #     - id: skip_check
+  #       uses: fkirc/skip-duplicate-actions@v5
+  #       with:
+  #         concurrent_skipping: 'never'
+  #         skip_after_successful_duplicate: 'true'
+  #         paths_ignore: '["master/docs/**"]'
+  #         paths: '["master/**.go", "master/.github"]'
+
+  build:
+    # needs: check-if-duplicate-action
+    # if: needs.check-if-duplicate-action.outputs.should_skip != 'true'
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        go: ["stable"] # could be a good idea to consider oldstable as well
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go }}
+          check-latest: true
+
+      - name: Go Format
+        run: gofmt -s -w . && git diff --exit-code
+
+      - name: Go Vet
+        continue-on-error: true # option will soon be removed
+        run: go vet ./...
+
+      - name: Go Tidy
+        run: go mod tidy && git diff --exit-code
+
+      - name: Go Mod
+        run: go mod download
+
+      - name: Go Mod Verify
+        run: go mod verify
+
+      - name: Go Build
+        run: ./build.sh
+
+      - name: Go Test
+        run: go test -count=1 ./... # should probably also add -race flag in the future
+
+      - name: Go Benchmark
+        run: go test -run=- -bench=. -benchtime=1x ./...

.github/workflows/integration_tests.yaml

@@ -0,0 +1,51 @@
+name: Integration Tests
+
+on:
+  # push:
+  #   branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  # check-if-duplicate-action:
+  #   # continue-on-error: true # Uncomment once integration is finished
+  #   runs-on: ubuntu-latest
+  #   outputs:
+  #     should_skip: ${{ steps.skip_check.outputs.should_skip }}
+  #   steps:
+  #     - id: skip_check
+  #       uses: fkirc/skip-duplicate-actions@v5
+  #       with:
+  #         concurrent_skipping: 'never'
+  #         skip_after_successful_duplicate: 'true'
+  #         paths_ignore: '["master/docs/**"]'
+  #         paths: '["master/**.go", "master/*.sh", "master/.github", "master/data/ansible/conf/samples/**", "master/data/tariffplans"]'
+
+  integration-tests:
+    # needs: check-if-duplicate-action
+    # if: needs.check-if-duplicate-action.outputs.should_skip != 'true'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+
+      - name: Install Ansible
+        run: |
+          python -m pip install --upgrade pip
+          pip install ansible
+
+      - name: Run Ansible Playbook
+        run: |
+          ansible-playbook data/ansible/integration_tests/main.yaml -i localhost, -c local -e "ansible_user=$(whoami)"
+
+      - name: Run integration tests
+        run: |
+          sudo su <<EOF
+          source /etc/profile
+          ./integration_test.sh
+          EOF