5 #check Java version install if any
7 [ -n "$JAVA_HOME" ] && JAVA_CMD="$JAVA_HOME/bin/java"
8 JAVA_VER=$("$JAVA_CMD" -version 2>&1 | sed -n ';s/.* version "\(.*\)\.\(.*\)\..*".*$/\1/p;')
11 [ -n "$JAVA_HOME" ] && JAVAC_CMD="$JAVA_HOME/bin/javac"
12 JAVAC_VER=$("$JAVAC_CMD" -version 2>&1 | sed -n ';s/javac \(.*\)\.\(.*\)\..*.*$/\1/p;')
14 if [ "$JAVA_VER" -ge 17 -a "$JAVAC_VER" -ge 17 ];then
15 echo "ok, java is 17 or newer"
17 #java installation for CentOS (releng OS image target)
18 echo "install java 17"
19 sudo yum install -y java-17-openjdk java-17-openjdk-devel
20 last_installed_jdk17=$(ls -tr1 /usr/lib/jvm/ | grep java-17-openjdk-17 | tail -1)
21 if [ -n "$last_installed_jdk17" ];then
22 sudo alternatives --set java /usr/lib/jvm/$last_installed_jdk17/bin/java
23 sudo alternatives --set javac /usr/lib/jvm/$last_installed_jdk17/bin/javac
25 echo "No java17 available"
30 #download maven image 3.8.8 and install it
31 wget -nv https://dlcdn.apache.org/maven/maven-3/3.8.8/binaries/apache-maven-3.8.8-bin.tar.gz -P /tmp
33 sudo tar xf /tmp/apache-maven-3.8.8-bin.tar.gz -C /opt
34 sudo ln -s /opt/apache-maven-3.8.8 /opt/maven
35 sudo ln -s /opt/maven/bin/mvn /usr/bin/mvn