Native image script for quickstart testing

Signed-off-by: tvallin <thibault.vallin@oracle.com>

.github/workflows/validate.yml

@@ -162,3 +162,19 @@ jobs:
         run: etc/scripts/test-packaging-jlink.sh
       - name: Native-Image packaging
         run: etc/scripts/test-packaging-native.sh
+  native-image-example:
+    timeout-minutes: 36
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: graalvm//setup-graalvm@v1
+        with:
+          java-version: 21
+          distribution: graalvm-community
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          native-image-job-reports: true
+          cache: maven
+      - name: Build Helidon
+        run: etc/scripts/github-compile.sh
+      - name: Test native image executable
+        run: etc/scripts/test-quickstart-native-image.sh

etc/scripts/test-quickstart-native-image.sh

@@ -0,0 +1,57 @@
+#!/bin/bash -e
+#
+# Copyright (c) 2024 Oracle and/or its affiliates.
+#
+# Licensed 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.
+#
+
+# Path to this script
+[ -h "${0}" ] && readonly SCRIPT_PATH="$(readlink "${0}")" || readonly SCRIPT_PATH="${0}"
+
+# Load pipeline environment setup and define WS_DIR
+. $(dirname -- "${SCRIPT_PATH}")/includes/pipeline-env.sh "${SCRIPT_PATH}" '../..'
+
+# Setup error handling using default settings (defined in includes/error_handlers.sh)
+error_trap_setup
+
+if [ -z "${GRAALVM_HOME}" ]; then
+    echo "ERROR: GRAALVM_HOME is not set";
+    exit 1
+fi
+
+if [ ! -x "${GRAALVM_HOME}/bin/native-image" ]; then
+    echo "ERROR: ${GRAALVM_HOME}/bin/native-image does not exist or is not executable";
+    exit 1
+fi
+
+mvn ${MAVEN_ARGS} --version
+
+echo "GRAALVM_HOME=${GRAALVM_HOME}";
+${GRAALVM_HOME}/bin/native-image --version;
+
+# Build native executable, run it in the background and check the greet endpoint
+readonly quickstarts="helidon-quickstart-mp helidon-quickstart-se"
+for quickstart in ${quickstarts}; do
+    cd ${WS_DIR}/examples/quickstarts/"${quickstart}"
+    mvn ${MAVEN_ARGS} -e clean install -Pnative-image -DskipTests
+    timeout 8 ./target/"${quickstart}" -k 7 &
+    sleep 5
+    RESULT=$(curl http://localhost:8080/greet)
+    if [[ "$RESULT" =~ "Hello World" ]];
+      then
+        echo "${quickstart} Native image test passed"
+      else
+        echo "${quickstart} Native image test failed"
+        exit 1
+    fi
+done