From cb08260a9313e015f3802b8589308f3ee0f7d525 Mon Sep 17 00:00:00 2001
From: Wei Zhou <weizhou@apache.org>
Date: Thu, 3 Jul 2025 14:28:16 +0200
Subject: [PATCH] packaging: add pre-check.sh

---
 packaging/systemd/cloudstack-agent.service    |  1 +
 .../systemd/cloudstack-management.service     |  1 +
 packaging/systemd/cloudstack-usage.service    |  1 +
 scripts/installer/pre-check.sh                | 38 +++++++++++++++++++
 4 files changed, 41 insertions(+)
 create mode 100755 scripts/installer/pre-check.sh

diff --git a/packaging/systemd/cloudstack-agent.service b/packaging/systemd/cloudstack-agent.service
index 5e2e5db0b210..5b1c7cce8c7c 100644
--- a/packaging/systemd/cloudstack-agent.service
+++ b/packaging/systemd/cloudstack-agent.service
@@ -28,6 +28,7 @@ After=libvirtd.service
 [Service]
 Type=simple
 EnvironmentFile=/etc/default/cloudstack-agent
+ExecStartPre=/usr/share/cloudstack-common/scripts/installer/pre-check.sh
 ExecStart=/usr/bin/java $JAVA_OPTS $JAVA_DEBUG -cp $CLASSPATH $JAVA_CLASS
 Restart=always
 RestartSec=10s
diff --git a/packaging/systemd/cloudstack-management.service b/packaging/systemd/cloudstack-management.service
index 55780af7a5c6..ef8b608c0988 100644
--- a/packaging/systemd/cloudstack-management.service
+++ b/packaging/systemd/cloudstack-management.service
@@ -34,6 +34,7 @@ User=cloud
 EnvironmentFile=/etc/default/cloudstack-management
 WorkingDirectory=/var/log/cloudstack/management
 PIDFile=/var/run/cloudstack-management.pid
+ExecStartPre=/usr/share/cloudstack-common/scripts/installer/pre-check.sh
 ExecStart=/usr/bin/java $JAVA_DEBUG $JAVA_OPTS -cp $CLASSPATH $BOOTSTRAP_CLASS
 StandardOutput=append:/var/log/cloudstack/management/management-server.out
 StandardError=append:/var/log/cloudstack/management/management-server.err
diff --git a/packaging/systemd/cloudstack-usage.service b/packaging/systemd/cloudstack-usage.service
index bf5bd2a189b9..76af47c746e7 100644
--- a/packaging/systemd/cloudstack-usage.service
+++ b/packaging/systemd/cloudstack-usage.service
@@ -32,6 +32,7 @@ After=network.target network-online.target mariadb.service mysqld.service mysql.
 Type=simple
 EnvironmentFile=/etc/default/cloudstack-usage
 Environment=JAVA_PID=$$
+ExecStartPre=/usr/share/cloudstack-common/scripts/installer/pre-check.sh
 ExecStart=/bin/sh -ec '/usr/bin/java -Dpid=${JAVA_PID} $JAVA_OPTS $JAVA_DEBUG -cp $CLASSPATH $JAVA_CLASS'
 Restart=always
 RestartSec=10s
diff --git a/scripts/installer/pre-check.sh b/scripts/installer/pre-check.sh
new file mode 100755
index 000000000000..ce8772ed6062
--- /dev/null
+++ b/scripts/installer/pre-check.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+if [ ! -f "/usr/bin/java" ];then
+    echo "ERROR: /usr/bin/java does not exist"
+    exit 1
+fi
+
+JAVA_MAJOR_VERSION=$(/usr/bin/java --version | grep -oE '[0-9]+\.[0-9]+(\.[0-9]+)?' | head -n 1 |cut -d "." -f1)
+
+if [ -z $JAVA_MAJOR_VERSION ];then
+    echo "WARNING: Cannot determine the JAVA version"
+    exit 0
+fi
+
+if [ "$JAVA_MAJOR_VERSION" != "17" ] && [ "$JAVA_MAJOR_VERSION" != "11" ];then
+    echo "ERROR: JAVA $JAVA_MAJOR_VERSION is not supported. Currently only JAVA 17 and JAVA 11 are supported."
+    exit 1
+fi
+
+if [ "$JAVA_MAJOR_VERSION" != "17" ];then
+    echo "WARNING: JAVA version is $JAVA_MAJOR_VERSION. JAVA 17 is recommended."
+fi