Add nightly workflow for Micronaut.

.github/workflows/micronaut.yml

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+#
+# Copyright (c) 2024, 2024, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# The Universal Permissive License (UPL), Version 1.0
+#
+# Subject to the condition set forth below, permission is hereby granted to any
+# person obtaining a copy of this software, associated documentation and/or
+# data (collectively the "Software"), free of charge and under any and all
+# copyright rights in the Software, and any and all patent rights owned or
+# freely licensable by each licensor hereunder covering either (i) the
+# unmodified Software as contributed to or provided by such licensor, or (ii)
+# the Larger Works (as defined below), to deal in both
+#
+# (a) the Software, and
+#
+# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
+# one is included with the Software each a "Larger Work" to which the Software
+# is contributed by such licensors),
+#
+# without restriction, including without limitation the rights to copy, create
+# derivative works of, display, perform, and distribute the Software and make,
+# use, sell, offer for sale, import, export, have made, and have sold the
+# Software and the Larger Work(s), and to sublicense the foregoing rights on
+# either these or other terms.
+#
+# This license is subject to the following condition:
+#
+# The above copyright notice and either this complete permission notice or at a
+# minimum a reference to the UPL must be included in all copies or substantial
+# portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+name: Nightly Micronaut Tests
+
+on:
+  push:
+    paths:
+      - '.github/workflows/micronaut.yml'
+  pull_request:
+    paths:
+      - '.github/workflows/micronaut.yml'
+  schedule:
+  - cron: '0 2 * * *'
+  workflow_dispatch:
+
+env:
+  GRAALVM_HOME: ${{ github.workspace }}/graalvm
+  JAVA_HOME: ${{ github.workspace }}/labsjdk
+  LANG: en_US.UTF-8
+  MICRONAUT_CORE_PATH: ${{ github.workspace }}/micronaut-core
+  MICRONAUT_JDK_VERSION: 21
+  MX_GIT_CACHE: refcache
+  MX_PATH: ${{ github.workspace }}/mx
+  MX_PYTHON: python3.8
+  # Enforce experimental option checking in CI (GR-47922)
+  NATIVE_IMAGE_EXPERIMENTAL_OPTIONS_ARE_FATAL: "true"
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  build-graalvm-and-micronaut:
+    name: Native Tests
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout oracle/graal
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+    - name: Determine mx version
+      run: echo "MX_VERSION=$(jq -r '.mx_version' common.json)" >> ${GITHUB_ENV}
+    - name: Checkout graalvm/mx
+      uses: actions/checkout@v4
+      with:
+        repository: graalvm/mx
+        fetch-depth: 1
+        ref: ${{ env.MX_VERSION }}
+        path: ${{ env.MX_PATH }}
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.8'
+    - name: Update mx cache
+      uses: actions/cache@v3
+      with:
+        path: ~/.mx
+        key: ${{ runner.os }}-mx-${{ hashFiles('**/suite.py') }}
+        restore-keys: ${{ runner.os }}-mx-
+    - name: Fetch LabsJDK
+      run: |
+        mkdir jdk-dl
+        ${MX_PATH}/mx --java-home= fetch-jdk --jdk-id labsjdk-ce-latest --to jdk-dl --alias ${JAVA_HOME}
+    - name: Build GraalVM JDK
+      run: |
+        cd substratevm
+        ${MX_PATH}/mx --native=native-image --components="Native Image" build
+        mv $(${MX_PATH}/mx --native=native-image --components="Native Image" graalvm-home) ${GRAALVM_HOME}
+        ${GRAALVM_HOME}/bin/native-image --version
+    - name: Reconfigure JAVA_HOME for Micronaut
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'oracle'
+        java-version: '${{ env.MICRONAUT_JDK_VERSION }}'
+    - name: Run nativeTest in Micronaut launch project
+      run: |
+        curl --fail --silent --location --retry 3 --max-time 10 --output demo.zip --request GET 'https://launch.micronaut.io/create/default/com.example.demo?lang=JAVA&build=GRADLE&test=JUNIT&javaVersion=JDK_${{ env.MICRONAUT_JDK_VERSION }}'
+        unzip demo.zip
+        cd demo
+        ./gradlew nativeTest
+    - name: Checkout micronaut-projects/micronaut-core
+      uses: actions/checkout@v4
+      with:
+        repository: micronaut-projects/micronaut-core
+        fetch-depth: 1
+        path: ${{ env.MICRONAUT_CORE_PATH }}
+    - name: Run nativeTest in micronaut-core
+      run: |
+        cd ${{ env.MICRONAUT_CORE_PATH }}
+        ./gradlew nativeTest