AWS user-data for JDK installation

aws-user-data-jdk

#!/bin/bash

# You can use this script as AWS user-data like
# $ aws ec2 run-instances [<other_params>] --user-data https://gist.githubusercontent.com/tsuyo/a6fe43549599b622c8f2331a14f795da/raw/aws-user-data-jdk

JDK_URL=http://download.oracle.com/otn-pub/java/jdk/8u102-b14/jdk-8u102-linux-x64.tar.gz
JDK_VER=jdk1.8.0_102
CUR_USER=${SUDO_USER:-$(tail -1 /etc/passwd | cut -d: -f1)}

installJDK() {
  yum -y install wget
  wget --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie" ${JDK_URL} -O /tmp/`basename ${JDK_URL}`
  mkdir -p /usr/java
  (cd /usr/java && tar zxvf /tmp/jdk-*.tar.gz && rm /tmp/jdk-*.tar.gz)
  chown -R ${CUR_USER} /usr/java
  alternatives --install /usr/bin/java java /usr/java/${JDK_VER}/bin/java 1
  alternatives --install /usr/bin/jar jar /usr/java/${JDK_VER}/bin/jar 1
  alternatives --install /usr/bin/javac javac /usr/java/${JDK_VER}/bin/javac 1
  alternatives --install /usr/bin/jps jps /usr/java/${JDK_VER}/bin/jps 1
  echo JAVA_HOME=/usr/java/${JDK_VER} >> /etc/environment
}

installJDK