Github Action: Build docker image for cloudstack-simulator (#7122)

.github/workflows/docker-cloudstack-simulator.yml

@@ -0,0 +1,62 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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: Docker Image Build
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 4.*
+      - 5.*
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    if: github.repository == 'apache/cloudstack'
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Login to Docker Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ secrets.DOCKER_REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - uses: actions/checkout@v3
+
+      - name: Set ACS version
+        run: echo "ACS_VERSION=$(grep '<version>' pom.xml | head -2 | tail -1 | cut -d'>' -f2 |cut -d'<' -f1)" >> $GITHUB_ENV
+
+      - name: Set Docker image TAG
+        run: echo "TAG=$(if [[ "${ACS_VERSION}" =~ .*-SNAPSHOT ]];then echo ${ACS_VERSION}-$(date +'%Y%m%d-%H%M%S');else echo ${ACS_VERSION};fi)" >> $GITHUB_ENV
+
+      - name: Set Docker image FULL TAG
+        run: echo "FULL_TAG=$(if [ "${{ secrets.DOCKER_REGISTRY }}" = "" ];then echo ${{ secrets.DOCKERHUB_USER }}/cloudstack-simulator:${TAG};else echo ${{ secrets.DOCKER_REGISTRY }}/${{ secrets.DOCKERHUB_USER }}/cloudstack-simulator:${TAG};fi)" >> $GITHUB_ENV
+
+      - name: Build the Docker image for cloudstack-simulator
+        run: cd tools/docker && docker build ../.. --file Dockerfile --tag ${FULL_TAG}
+
+      - name: Push Docker image to Docker Registry
+        run: docker push ${FULL_TAG}