#!/bin/bash THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )" DOWNLOAD_DIR=/tmp/occlum_java_toolchain INSTALL_DIR=/opt/occlum/toolchains/jvm JDK=java-11-alibaba-dragonwell # Exit if any command fails set -e # Clean previous download and installation if any rm -rf ${DOWNLOAD_DIR} rm -rf ${INSTALL_DIR}/${JDK} # Create the download directory mkdir -p ${DOWNLOAD_DIR} cd ${DOWNLOAD_DIR} # Download and install Dragonwell JDK wget https://github.com/alibaba/dragonwell11/releases/download/dragonwell-standard-11.0.16.12_jdk-11.0.16-ga/Alibaba_Dragonwell_Standard_11.0.16.12.8_x64_alpine-linux.tar.gz tar zxf Alibaba_Dragonwell_Standard_11.0.16.12.8_x64_alpine-linux.tar.gz mkdir -p ${INSTALL_DIR} mv ${DOWNLOAD_DIR}/dragonwell-11.0.16.12+8-GA ${INSTALL_DIR}/${JDK} ln -sf . ${INSTALL_DIR}/${JDK}/jre # Clean the download directory rm -rf ${DOWNLOAD_DIR} # Generate the wrappers for executables mkdir -p ${INSTALL_DIR}/bin cat > ${INSTALL_DIR}/bin/occlum-java < ${INSTALL_DIR}/bin/occlum-javac <