For monitoring Elasticsearch health status scripts in Nagios

A script for monitoring the Elasticsearch index was found in the Nagios community, and then modified to use the listening IP that is normally used for incoming elasticsearch for using a script that monitors the Elasticsearch health state in Nagios

#!/bin/bash#check_elasticsearch_health.sh#memo for nagios outputsstate_ok=0state_warning=1state _critical=2state_unknown=3#position parameter judgmentif [ $# -lt 1 ];then     echo  "Please enter host address"     echo  "Ex> $0 host_address"     exit  $STATE _unknownfiif [ $# -gt  1 ]; then        echo  "The input host  address are too much "    echo " Ex> $0 localhost "     exit  $STATE _unknownfitype curl >/dev/null 2>&1 | |  { echo >&2  "This plugin require curl but it ' S not  installed. ";  exit  $STATE _unknown; } #检查是否有安装curlHOST =$1status=$ (curl -s  $HOST: 9200/_cluster/health ? pretty | grep status | awk  ' {print $3} '  | cut -d\ " -f2) # Single-node health detection, usually can monitor the content according to need to modify the API to get the corresponding value if [[  $STATUS  &&  "$STATUS"  !=  "green"  ]]; thenecho  "critical - status is  $STATUS" exit  $STATE _criticalfiif  [[  "$STATUS"  ==  "green"  ]]; thenecho  "ok - status is $ STATUS "exit  $STATE _okfiecho " unknow - no data were returned by  elastisearch on host  $HOST "exit  $STATE _unknown

This article from "Jim's Technical Essay" blog, declined to reprint!

For monitoring Elasticsearch health status scripts in Nagios