#!/bin/bash

while [ $# -gt 0 ]; do
  case "$1" in
  --username=*)
    username="${1#*=}"
    ;;
  *)
    echo "Invalid argument: $1"
    exit 1
    ;;
  esac
  shift
done

# 目标机器列表,JAVA我都跑过了，ip故意改错了，免得有人错误运行
targets=(
        "X10.10.241.203"
        "X10.10.241.204"
        "X10.10.241.205"
        "X10.10.241.206"
        "X10.10.241.207"
        "X10.10.241.209"
        "X10.10.241.211"
        "X10.10.241.212"
        "X10.10.241.213"
        "X10.10.241.214"
        "X10.10.241.215"
        "X10.10.241.217"
        "X10.10.241.218"
        "X10.10.241.220"
        "X10.10.241.221"
        "X10.10.241.222"
)
#这里展示的离线安装，如果在线安装，只需要step 2的执行命令
# 本地文件路径
local_file="jdk.tar.gz"
# 解压后的实际目录名称
fact_name="jdk1.8.0_271"

# 所有机器建好了临时目录/home/sptcc/temp/ 和 安装目录/opt/module
# 远程临时目录
remote_temp_path="/home/sptcc/temp/"
# 远程安装目录
remote_module_path="/opt/module/"
remote_install_path="java"
# 远程安装包的位置
remote_file="${remote_temp_path}${local_file}"
# 安装后的环境变量（如果配置错误了，记得把/etc/environment中错误内容删除，避免影响）
# 如果软件相同，但不同机器环境变量有区别，可IF条件动态处理
remote_env_path="${remote_module_path}${remote_install_path}/${fact_name}"

# Set default values for missing parameters
if [ -z "$username" ]; then
  username="root"
fi

# step 1.拷贝命令
scp_command="$local_file $username@$target:$remote_temp_path"

# step 2.执行命令
command=$(cat <<EOF
     cd $remote_module_path && \
     mkdir -p $remote_install_path && \
     tar -xzf $remote_file -C ./$remote_install_path && \
     rm -rf $remote_file && \
     sudo echo "JAVA_HOME=$remote_env_path" >> /etc/environment && \
     sudo echo "PATH=\"$remote_env_path/bin:$PATH\"" >> /etc/environment && \
     source /etc/environment && \
     java -version
EOF
)

# 循环遍历目标机器列表
for target in "${targets[@]}"
do
    echo "Copying $jdk_file to $target..."
    # 拷贝JDK文件到目标机器并安装
    echo "step 1.scp_command >> $scp_command"
    echo "step 2.command >> $command"
    scp $scp_command && \
    ssh $username@$target "$command"
    echo "installed on $target"
done

echo "installation completed on all machines"