Replace Bamboo SCDF samples build w/ GitHub actions (#159)

Add GitHub actions based CI pipeline

Resolves #155

.github/actions/build-sample-app/action.yml

@@ -0,0 +1,76 @@
+name: 'Build Sample App'
+description: 'Builds a sample app and optionally publishes to Artifactory and pushes to a Docker registry'
+inputs:
+  app-dir:
+    description: 'relative path to the app directory'
+    required: true
+  mvn-build-commands:
+    description: 'commands passed to \"mvnw" to build the app'
+    required: false
+    default: '-B clean verify'
+  artifactory-publish:
+    description: 'whether or not to publish to artifactory'
+    required: false
+    default: 'false'
+  jf-artifactory-spring:
+    description: 'encoded JFrog server id configuration'
+    required: false
+  jf-mvn-build-commands:
+    description: 'commands passed to \"jfrog rt mvn\" to publish the app'
+    required: false
+    default: '-B clean install -DskipTests'
+  docker-push:
+    description: 'whether or not to push docker image to docker hub'
+    required: false
+    default: 'false'
+  docker-registry:
+    description: 'docker registry'
+    required: false
+  docker-username:
+    description: 'docker username'
+    required: false
+  docker-password:
+    description: 'docker password'
+    required: false
+  docker-images:
+    description: 'csv of docker images to push'
+    required: false
+  docker-images-override:
+    description: 'csv of docker image tags to use when pushing (parallel array to docker-images)'
+    required: false
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/checkout@v2
+
+    - uses: jvalkeal/setup-maven@v1
+      with:
+        maven-version: 3.8.4
+
+    - uses: actions/setup-java@v2
+      with:
+        distribution: adopt
+        java-version: 8
+        cache: maven
+
+    - name: Maven build
+      shell: bash
+      run: ./mvnw ${{ inputs.mvn-build-commands }}
+      working-directory: ${{ inputs.app-dir }}
+
+    - uses: ./.github/actions/build-sample-app/artifactory-publish
+      if: ${{ inputs.artifactory-publish == 'true' }}
+      with:
+        app-dir: ${{ inputs.app-dir }}
+        jf-artifactory-spring: ${{ inputs.jf-artifactory-spring }}
+        jf-mvn-build-commands: ${{ inputs.jf-mvn-build-commands }}
+
+    - uses: ./.github/actions/build-sample-app/docker-push
+      if: ${{ inputs.docker-push == 'true' }}
+      with:
+        app-dir: ${{ inputs.app-dir }}
+        docker-registry: ${{ inputs.docker-registry }}
+        docker-username: ${{ inputs.docker-username }}
+        docker-password: ${{ inputs.docker-password }}
+        docker-images: ${{ inputs.docker-images }}
+        docker-images-override: ${{ inputs.docker-images-override }}

.github/actions/build-sample-app/artifactory-publish/action.yml

@@ -0,0 +1,45 @@
+name: 'Sample App Publish'
+description: 'Publishes a sample app to Artifactory'
+inputs:
+  app-dir:
+    description: 'relative path to the app directory'
+    required: true
+  jf-artifactory-spring:
+    description: 'encoded JFrog server id configuration'
+    required: true
+  jf-mvn-build-commands:
+    description: 'commands passed to \"jfrog rt mvn\" to publish the app'
+    required: false
+    default: '-B clean install -DskipTests'
+runs:
+  using: "composite"
+  steps:
+
+    - name: Setup JFrog CLI
+      uses: jfrog/setup-jfrog-cli@v1
+      with:
+        version: 1.46.4
+      env:
+        JF_ARTIFACTORY_SPRING: ${{ inputs.jf-artifactory-spring }}
+
+    - name: Configure JFrog Cli
+      shell: bash
+      run: |
+        jfrog rt mvnc \
+        --server-id-resolve=repo.spring.io \
+        --server-id-deploy=repo.spring.io \
+        --repo-resolve-releases=libs-milestone \
+        --repo-resolve-snapshots=libs-snapshot \
+        --repo-deploy-releases=release \
+        --repo-deploy-snapshots=snapshot
+        echo JFROG_CLI_BUILD_NAME=spring-cloud-dataflow-samples >> $GITHUB_ENV
+        echo JFROG_CLI_BUILD_NUMBER=$GITHUB_RUN_NUMBER >> $GITHUB_ENV
+      working-directory: ${{ inputs.app-dir }}
+
+    - name: Publish to Artifactory
+      shell: bash
+      run: |
+        jfrog rt mvn ${{ inputs.jf-mvn-build-commands }}
+        jfrog rt build-publish
+      working-directory: ${{ inputs.app-dir }}
+

.github/actions/build-sample-app/docker-push/action.yml

@@ -0,0 +1,73 @@
+name: 'Sample App Push'
+description: 'Pushes a containerized sample app to Docker'
+inputs:
+  app-dir:
+    description: 'relative path to the app directory'
+    required: true
+  docker-registry:
+    description: 'docker registry'
+    required: false
+  docker-username:
+    description: 'docker username'
+    required: true
+  docker-password:
+    description: 'docker password'
+    required: true
+  docker-images:
+    description: 'csv of docker images to push'
+    required: true
+  docker-images-override:
+    description: 'csv of docker image tags to use when pushing (parallel array to docker-images)'
+    required: false
+runs:
+  using: "composite"
+  steps:
+
+    - name: Login Dockerhub
+      uses: docker/login-action@v1
+      with:
+        registry: ${{ inputs.docker-registry }}
+        username: ${{ inputs.docker-username }}
+        password: ${{ inputs.docker-password }}
+
+    - name: Push images to Dockerhub
+      env:
+        DOCKER_REGISTRY: ${{ inputs.docker-registry }}
+        DOCKER_IMAGES: ${{ inputs.docker-images }}
+        DOCKER_IMAGES_OVERRIDE: ${{ inputs.docker-images-override }}
+      working-directory: ${{ inputs.app-dir }}
+      shell: bash
+      run: |
+        # read the images into arrays
+        read -r -a images <<< "$DOCKER_IMAGES"
+        read -r -a imagesOverride <<< "$DOCKER_IMAGES_OVERRIDE"
+        
+        # validate lengths if override specified
+        numImages=${#images[@]}
+        numImagesOverride=${#imagesOverride[@]}
+        if [[ $numImagesOverride -gt 0 && $numImages -ne $numImagesOverride ]]; then
+          echo "when 'docker-images-override' is specified it must be the same length as 'docker-images'"
+          exit 1
+        fi
+        # determine the target images name based on registry and override
+        for idx in "${!images[@]}"
+        do
+          # use override if specified
+          if [[ $numImagesOverride -gt 0 ]]; then
+            image="${imagesOverride[idx]}"
+          else
+            image="${images[idx]}"
+          fi      
+          # pre-pend registry if specified
+          if [[ "$DOCKER_REGISTRY" != "" ]]; then
+            image="$DOCKER_REGISTRY/$image"
+          fi
+        
+          # tag the original image if it has changed (override and/or registry)
+          originalImage="${images[idx]}"
+          if [[ "$image" != "$originalImage" ]]; then
+            docker tag ${originalImage} ${image}
+          fi
+          docker push ${image}
+        
+        done