diff --git a/install.sh b/install.sh index 9023af86be..e0c1878c37 100644 --- a/install.sh +++ b/install.sh @@ -98,6 +98,9 @@ xlsFilePath="/tmp/xls" # 不启动设置为false,如果为false,以下配置不需要修改 hdfsStartupSate="false" +#是否启动监控自启动脚本 +monitorServerState="false" + # namenode地址,支持HA,需要将core-site.xml和hdfs-site.xml放到conf目录下 namenodeFs="hdfs://mycluster:8020" @@ -364,3 +367,30 @@ fi # 6,启动 echo "6,启动" sh ${workDir}/script/start_all.sh + +# 7启动监控自启动脚本 +monitor_pid=${workDir}/monitor_server.pid +if [ "true" = $monitorServerState ];then + if [ -f $monitor_pid ]; then + TARGET_PID=`cat $monitor_pid` + if kill -0 $TARGET_PID > /dev/null 2>&1; then + echo "monitor server running as process ${TARGET_PID}.Stopping" + kill $TARGET_PID + sleep 5 + if kill -0 $TARGET_PID > /dev/null 2>&1; then + echo "monitor server did not stop gracefully after 5 seconds: killing with kill -9" + kill -9 $TARGET_PID + fi + else + echo "no monitor server to stop" + fi + echo "monitor server running as process ${TARGET_PID}.Stopped success" + rm -f $monitor_pid + fi + nohup python -u ${workDir}/script/monitor_server.py $installPath $zkQuorum $zkMasters $zkWorkers > ${workDir}/monitor_server +.log 2>&1 & + echo $! > $monitor_pid + echo "start monitor server success as process `cat $monitor_pid`" + +fi + diff --git a/script/monitor_server.py b/script/monitor_server.py index a0d1066661..5f236cac7e 100644 --- a/script/monitor_server.py +++ b/script/monitor_server.py @@ -9,10 +9,15 @@ yum -y install python-pip pip install kazoo 安装 conda install -c conda-forge kazoo 安装 -运行脚本： -nohup python -u monitor_server.py > nohup.out 2>&1 & +运行脚本及参数说明： +nohup python -u monitor_server.py /data1_1T/escheduler 192.168.xx.xx:2181,192.168.xx.xx:2181,192.168.xx.xx:2181 /escheduler/masters /escheduler/workers> monitor_server.log 2>&1 & +参数说明如下: +/data1_1T/escheduler的值来自install.sh中的installPath +192.168.xx.xx:2181,192.168.xx.xx:2181,192.168.xx.xx:2181的值来自install.sh中的zkQuorum +/escheduler/masters的值来自install.sh中的zkMasters +/escheduler/workers的值来自install.sh中的zkWorkers ''' - +import sys import socket import os import sched @@ -20,14 +25,13 @@ import time from datetime import datetime from kazoo.client import KazooClient - schedule = sched.scheduler(time.time, time.sleep) class ZkClient: def __init__(self): # hosts配置zk地址集群 - self.zk = KazooClient(hosts='ark0:2181,ark1:2181,ark2:2181') - self.zk.start() + self.zk = KazooClient(hosts=zookeepers) + self.zk.start() # 读取配置文件，组装成字典 def read_file(self,path): @@ -45,35 +49,37 @@ class ZkClient: # 重启服务 def restart_server(self,inc): - config_dict = self.read_file('/data1_1T/escheduler/conf/config/run_config.conf') + config_dict = self.read_file(install_path + '/conf/config/run_config.conf') master_list = config_dict.get('masters').split(',') + print master_list master_list = list(map(lambda item : self.get_ip_by_hostname(item),master_list)) worker_list = config_dict.get('workers').split(',') + print worker_list worker_list = list(map(lambda item: self.get_ip_by_hostname(item), worker_list)) - if (self.zk.exists('/escheduler/masters')): + if (self.zk.exists(masters_zk_path)): zk_master_list = [] - zk_master_nodes = self.zk.get_children('/escheduler/masters') + zk_master_nodes = self.zk.get_children(masters_zk_path) for zk_master_node in zk_master_nodes: zk_master_list.append(zk_master_node.split('_')[0]) restart_master_list = list(set(master_list) - set(zk_master_list)) if (len(restart_master_list) != 0): for master in restart_master_list: print("master " + self.get_ip_by_hostname(master) + " 服务已经掉了") - os.system('ssh ' + self.get_ip_by_hostname(master) + ' sh /data1_1T/escheduler/bin/escheduler-daemon.sh start master-server') + os.system('ssh ' + self.get_ip_by_hostname(master) + ' sh ' + install_path + '/bin/escheduler-daemon.sh start master-server') - if (self.zk.exists('/escheduler/workers')): + if (self.zk.exists(workers_zk_path)): zk_worker_list = [] - zk_worker_nodes = self.zk.get_children('/escheduler/workers') + zk_worker_nodes = self.zk.get_children(workers_zk_path) for zk_worker_node in zk_worker_nodes: zk_worker_list.append(zk_worker_node.split('_')[0]) restart_worker_list = list(set(worker_list) - set(zk_worker_list)) if (len(restart_worker_list) != 0): for worker in restart_worker_list: print("worker " + self.get_ip_by_hostname(worker) + " 服务已经掉了") - os.system('ssh ' + self.get_ip_by_hostname(worker) + ' sh /data1_1T/escheduler/bin/escheduler-daemon.sh start worker-server') + os.system('ssh ' + self.get_ip_by_hostname(worker) + ' sh ' + install_path + '/bin/escheduler-daemon.sh start worker-server') print(datetime.now().strftime("%Y-%m-%d %H:%M:%S")) schedule.enter(inc, 0, self.restart_server, (inc,)) @@ -84,5 +90,11 @@ class ZkClient: schedule.enter(0, 0, self.restart_server, (inc,)) schedule.run() if __name__ == '__main__': + if (len(sys.argv) < 4): + print('please input install_path,zookeepers,masters_zk_path and worker_zk_path') + install_path = sys.argv[1] + zookeepers = sys.argv[2] + masters_zk_path = sys.argv[3] + workers_zk_path = sys.argv[4] zkClient = ZkClient() - zkClient.main(300) \ No newline at end of file + zkClient.main(300)