Simple script to check web services/pages with request each 'SLEEP_TIME' seconds.

simple_web_service.sh

#!/bin/bash
 
# Very simple script to check web services/pages with request each 'SLEEP_TIME' seconds.
# It is useful for health checks of OGC services.
#
# IMPORTANT: You must configure the RESPONSE_CHARS_NUM_EXPECTED used to compare with the real response.
#
# It has a infinite loop.
# Recomended redirect output to a file.
#
# Author: Nacho Varela
# License: GPL3+
 
 
##################### PARAMS ##########################
 
# Time between requests
SLEEP_TIME=90
 
# Service to request
URL='http://arcgispre/arcgis/services/Viticola/Viticola_SIXPAC13_WFS_PRE/MapServer/WFSServer/'
 
# Parameters of the request
PARAMS='SERVICE=WFS&VERSION=1.1.0&REQUEST=GetFeature&&FILTER=<ogc:Filter><ogc:BBOX><ogc:PropertyName>Shape</ogc:PropertyName><gml:Box%20srsName="urn:x-ogc:def:crs:EPSG:25829"><gml:coordinates>602269,4703983%20604269,4705983</gml:coordinates></gml:Box></ogc:BBOX></ogc:Filter>&TypeName=Viticola_Viticola_SIXPAC13_WFS_PRE:Recintos_2013'
 
# Number of chars exoected on the request (you must calculate it previusly)
RESPONSE_CHARS_NUM_EXPECTED=12048370
 
##################### END PARAMS ##########################
 
while [ 1 ] ; do
    RESPONSE_CHARS_NUM_RECEIVED=$(curl --silent --show-error $URL'?'$PARAMS | grep $URL | wc -c)
    datetime=$(date +%Y%m%d-%H:%M:%S)
    if [ $RESPONSE_CHARS_NUM_EXPECTED -eq $RESPONSE_CHARS_NUM_RECEIVED ]; then
        echo $datetime': Correct! '$URL
    else
        echo $datetime': Fails!   '$URL
    fi
    sleep $SLEEP_TIME
done