提交各组件部署Ansible剧本初版

Apache Hadoop/2.7.1/hdfs/role/templates/daemonscript/keephdfsslave.j2

@@ -0,0 +1,42 @@
+#!/bin/bash
+# 
+# netconsole    This loads the netconsole module with the configured parameters.
+#
+# chkconfig:123456 40 60
+# description: keephdfsslave
+source /etc/profile
+PRO_NAME=keephdfsslave
+
+INS_DIR={{ deploy_dir }}
+#版本
+VERSION={{ hadoop_version }}
+
+case $1 in
+start)
+slave=`ps -ef | grep dae-hdfsslave.sh | grep -v grep | wc -l`
+if [ $slave -lt 1 ];then
+nohup $INS_DIR/$VERSION/sbin/dae-hdfsslave.sh > /dev/null 2>&1 &
+fi
+;;
+
+stop)
+HAS_KEEP_SHELL=`ps -ef | grep dae-hdfsslave.sh | grep -v grep | awk '{print $2}'`
+if [ $HAS_KEEP_SHELL ];then
+echo "守护进程PID：$HAS_KEEP_SHELL"
+kill -9 $HAS_KEEP_SHELL
+fi
+
+sh $INS_DIR/$VERSION/sbin/hadoop-daemon.sh stop namenode > /dev/null
+sh $INS_DIR/$VERSION/sbin/hadoop-daemon.sh stop zkfc > /dev/null
+;;
+
+status)
+hdfs haadmin -getServiceState nn2
+hdfs dfsadmin -report
+;;
+
+* )
+echo "use keephdfsslave [start|stop|status]"
+;;
+esac
+