13518219792
去年监控MongoDB设置的模板，包括mongodb连接数，内存，复制延迟，是否Master的监控，下面是一些监控图形示例
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我们还有一些触发器，比如mongodb实例是否可用，mongodb副本集的角色是否切换。
附件中是mongodb的模板文件，后台的脚本改日再行上传。
后台运行脚本：
#!/bin/bash
#########################################################
# mongod_stats.sh #
# written by yanglixue #
# 2015/07/08 #
#########################################################
command_line="/opt/mongodb-linux-x86_64-3.0.7/bin/mongo"
username_m="admin"
password_m="password"
username_c="admin"
password_c="password"
function get_mongo_conn() {
if [ $1 == "Primary" ];then
username=${username_m}
password=${password_m}
elif [ $1 == "Secondary" ];then
username=${username_m}
password=${password_m}
elif [ $1 == "Config" ];then
username=${username_c}
password=${password_c}
elif [ $1 == "Mongos" ];then
username=${username_c}
password=${password_c}
fi
command_line="${command_line} localhost:$port/admin -u$username -p$password"
}
case $# in
3)
port=$3
get_mongo_conn $1
if [ $2 == "Repl_lag" ];then
output=$(/bin/echo "db.printSlaveReplicationInfo()" |$command_line|grep "behind the primary" |awk '{print $1}'|sed 's/-//')
elif [ $2 == "IsMaster" ];then
o1=$(/bin/echo "db.isMaster().ismaster" |$command_line|sed -n '3p')
if [ $o1 == "true" ];then
output=1
elif [ $o1 == "false" ];then
output=0
else
output=-1
fi
else
output=$(/bin/echo "db.serverStatus().$2" |$command_line|sed -n '3p')
fi
;;
4)
port=$4
get_mongo_conn $1
output=$(/bin/echo "db.serverStatus().$2.$3" |$command_line|sed -n '3p')
;;
5)
port=$5
get_mongo_conn $1
output=$(/bin/echo "db.serverStatus().$2.$3.$4" |$command_line|sed -n '3p')
;;
esac
#check if the output contains "NumberLong"
if [[ "$output" =~ "NumberLong" ]];then
echo $output|sed -n 's/NumberLong(//p'|sed -n 's/)//p'
else
echo $output
fi 
