Hadoop服务脚本

#!/bin/bash
process=("NameNode" "SecondaryNameNode" "DataNode" "NodeManager" "ResourceManager")
JAVA_HOME="/opt/software/jdk1.8.0_371"
HADOOP_HOME="/opt/software/hadoop-3.3.6"# 定义颜色的ANSI转义序列
red='\033[31m'
green='\033[32m'
yellow='\033[33m'
reset='\033[0m'function checkProcess {# 拿到进程号processID=`${JAVA_HOME}/bin/jps | grep -w ${1} | grep -v grep | awk '{print $1}'`if [[ -z $processID  ]]; thenecho -e "${red}${1} 运行异常${reset}"elseecho -e "${green}${1} 正在运行，进程 ${processID}${reset}"fi
}case $1 instart )echo "正在启动 HDFS..."`$HADOOP_HOME/sbin/start-dfs.sh > /dev/null 2>&1`echo "正在启动 YARN..."`$HADOOP_HOME/sbin/start-yarn.sh > /dev/null 2>&1`;;stop )echo "正在停止 HDFS..."`$HADOOP_HOME/sbin/stop-dfs.sh > /dev/null 2>&1`echo "正在停止 YARN..."`$HADOOP_HOME/sbin/stop-yarn.sh > /dev/null 2>&1`;;status )for i in ${process[@]}; do#statementscheckProcess ${i}done;;* )echo "参数不正确 hadoop-service.sh start|stop|status";;
esac