48 lines
1.1 KiB
Django/Jinja
48 lines
1.1 KiB
Django/Jinja
#!/bin/bash
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source /etc/profile
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BASE_DIR={{ deploy_dir }}
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VERSION={{ hadoop_version }}
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function set_log(){
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RES_SUM_FILE=$BASE_DIR/$VERSION/logs
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if [ ! -f "$RES_SUM_FILE/" ]
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then
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mkdir -p $RES_SUM_FILE
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fi
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if [ ! -d "$RES_SUM_FILE/$1" ];then
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echo "0" > $RES_SUM_FILE/$1
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fi
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OLD_NUM=`cat $RES_SUM_FILE/$1`
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RESTART_NUM=`expr $OLD_NUM + 1`
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echo $RESTART_NUM > $RES_SUM_FILE/$1
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if [ $OLD_NUM -eq "0" ];then
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echo "`date "+%Y-%m-%d %H:%M:%S"` - Hadoop $2服务初次启动" >> $BASE_DIR/$VERSION/logs/restart.log
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else
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echo "`date +%Y-%m-%d` `date +%H:%M:%S` - Hadoop $2服务异常 - 重启次数 -> $RESTART_NUM." >> $BASE_DIR/$VERSION/logs/restart.log
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fi
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}
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while true ; do
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HAS_DN=`ps -ef | grep DataNode | grep -v grep | wc -l`
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#HAS_NM=`ps -ef | grep NodeManager | grep -v grep | wc -l`
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if [ $HAS_DN -eq "0" ];then
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yes | $BASE_DIR/$VERSION/sbin/hadoop-daemon.sh start datanode > /dev/null
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set_log dnRes_sum DataNode
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fi
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#if [ $HAS_NM -eq "0" ];then
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# $BASE_DIR/$VERSION/sbin/yarn-daemon.sh start nodemanager > /dev/null
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# set_log nmRes_sum NodeManager
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#fi
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sleep 60
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done
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