75 lines
2.0 KiB
Bash
Executable File
75 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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##################################
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# Zabbix monitoring script
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#
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# nginx:
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# - anything available via nginx stub-status module
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#
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##################################
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# Contact:
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# vincent.viallet@gmail.com
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##################################
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# ChangeLog:
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# 20100922 VV initial creation
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##################################
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# Zabbix requested parameter
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ZBX_REQ_DATA="$1"
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ZBX_REQ_DATA_URL="$2"
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# Nginx defaults
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NGINX_STATUS_DEFAULT_URL="http://localhost:80/nginx_status"
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WGET_BIN="/usr/bin/wget"
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CURL_BIN="/usr/bin/curl"
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if [ ! -f $WGET_BIN ];
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then
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USE_CURL=true
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fi
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#
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# Error handling:
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# - need to be displayable in Zabbix (avoid NOT_SUPPORTED)
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# - items need to be of type "float" (allow negative + float)
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#
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ERROR_NO_ACCESS_FILE="-0.9900"
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ERROR_NO_ACCESS="-0.9901"
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ERROR_WRONG_PARAM="-0.9902"
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ERROR_DATA="-0.9903" # either can not connect / bad host / bad port
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# Handle host and port if non-default
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if [ ! -z "$ZBX_REQ_DATA_URL" ]; then
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URL="$ZBX_REQ_DATA_URL"
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else
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URL="$NGINX_STATUS_DEFAULT_URL"
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fi
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# save the nginx stats in a variable for future parsing
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if [ ! $USE_CURL = true ]; then
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NGINX_STATS=$($WGET_BIN -q $URL -O - 2> /dev/null)
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else
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NGINX_STATS=$($CURL_BIN -S -s $URL)
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fi
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# error during retrieve
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if [ $? -ne 0 -o -z "$NGINX_STATS" ]; then
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echo $ERROR_DATA
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exit 1
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fi
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#
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# Extract data from nginx stats
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#
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case $ZBX_REQ_DATA in
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active_connections) echo "$NGINX_STATS" | head -1 | cut -f3 -d' ';;
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accepted_connections) echo "$NGINX_STATS" | grep -Ev '[a-zA-Z]' | cut -f2 -d' ';;
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handled_connections) echo "$NGINX_STATS" | grep -Ev '[a-zA-Z]' | cut -f3 -d' ';;
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handled_requests) echo "$NGINX_STATS" | grep -Ev '[a-zA-Z]' | cut -f4 -d' ';;
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reading) echo "$NGINX_STATS" | tail -1 | cut -f2 -d' ';;
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writing) echo "$NGINX_STATS" | tail -1 | cut -f4 -d' ';;
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waiting) echo "$NGINX_STATS" | tail -1 | cut -f6 -d' ';;
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*) echo $ERROR_WRONG_PARAM; exit 1;;
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esac
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exit 0
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