mirror of https://github.com/zulip/zulip.git
nagios: Replace check_website_response with standard check_http plugin.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
Alex Vandiver
parent
eb8283c089
commit
93f62b999e
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@ -33,10 +33,6 @@ Copyright: 2005 Francesc Guasch
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License: GPL-2.0
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Comment: Not linked.
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Files: puppet/zulip/files/nagios_plugins/zulip_nagios_server/check_website_response.sh
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Copyright: 2011 Chris Freeman
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License: GPL-2.0
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Files: puppet/zulip_ops/files/zulip-ec2-configure-interfaces
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Copyright: 2013-2017, Dropbox, Inc., Kandra Labs, Inc., and contributors
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License: Expat
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@ -260,7 +260,6 @@ Database monitoring:
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Standard server monitoring:
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* `check_website_response.sh`: Basic HTTP check.
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* `check_debian_packages`: Checks whether the system is behind on `apt
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upgrade`.
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@ -1,199 +0,0 @@
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#!/bin/sh
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#
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# Nagios script to check website is up and responding in a timely manner
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# Written by Chris Freeman (cfree6223@gmail.com)
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# Version 1.1
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# (c) GPLv2 2011
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#
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# Special thanks to dkwiebe and Konstantine Vinogradov for suggestions and feedback
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#
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### Environment paths
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NETCAT=/bin/nc
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DATE=/bin/date
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WGET=/usr/bin/wget
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ECHO=/bin/echo
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AWK=/usr/bin/awk
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CKSUM=/usr/bin/cksum
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TR=/usr/bin/tr
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# Temp file
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WGETOUT=/tmp/wgetoutput
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### Functions
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# Check dependencies and paths
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checkpaths(){
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for PATH in $NETCAT $DATE $WGET $ECHO $AWK $CKSUM $TR; do
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if [ ! -f "$PATH" ]; then
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STATUS=UNKNOWN
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OUTMSG="ERROR: $PATH does does not exist"
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output
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fi
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done
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}
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# Check inputs and formats
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checkinputs(){
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if [ ! -n "$WARN" ]; then
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ERROR="Warning not set"
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usage
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fi
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case $WARN in
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*[!0-9]*)
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ERROR="Warning must be an integer in milliseconds"
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usage
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esac
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if [ ! -n "$CRIT" ]; then
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ERROR="Critical not set"
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usage
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fi
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case $CRIT in
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*[!0-9]*)
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ERROR="Critical must be an integer in milliseconds"
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usage
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esac
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if [ "$CRIT" -lt "$WARN" ]; then
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ERROR="Critical must be greater than Warning"
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usage
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fi
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if [ ! -n "$URL" ]; then
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ERROR="URL not set"
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usage
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fi
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}
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# Make temp file unique for URL
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mktmpfile(){
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WGETOUTCKSUM=$WGETOUT`$ECHO $URL |$CKSUM |$AWK '{print $1}'`
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}
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# Print usage statement
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usage(){
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$ECHO "RESPONSE: UNKNOWN - Error: $ERROR"
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$ECHO "Usage: check_website_response.sh -w <warning milliseconds> -c <critical milliseconds> -u <url> [ -nocert ]"
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exit 3
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}
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# Check if URL resolves, port is open and webpage contains data
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checkopen(){
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# Determine PORT from scheme
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SCHEME=`$ECHO $URL |$AWK -F: '{print $1}'| $TR [:upper:] [:lower:]`
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# Strip scheme out of URL
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case $URL in
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*://*)
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SHORTURL=`$ECHO $URL |$AWK -F"://" '{print $2}'`;;
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*)
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SHORTURL=$URL;;
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esac
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# Strip path out of URL
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case $SHORTURL in
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*/*)
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SHORTURL=`$ECHO $SHORTURL |$AWK -F/ '{print $1}'`;;
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esac
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# if no scheme check for ports in SHORTURL or else default to 80
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case $SHORTURL in
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*:*@*:*)
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if [ ! -n "$PORT" ]; then
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PORT=`$ECHO $SHORTURL |$AWK -F: '{print $3}'`
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fi
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SHORTURL=`$ECHO $SHORTURL |$AWK -F@ '{print $2}'`
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SHORTURL=`$ECHO $SHORTURL |$AWK -F: '{print $1}'`;;
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*:*@*)
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if [ ! -n "$PORT" ]; then
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PORT=80
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fi
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SHORTURL=`$ECHO $SHORTURL |$AWK -F@ '{print $2}'`;;
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*:*)
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if [ ! -n "$PORT" ]; then
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PORT=`$ECHO $SHORTURL |$AWK -F: '{print $2}'`
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fi
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SHORTURL=`$ECHO $SHORTURL |$AWK -F: '{print $1}'`;;
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*)
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if [ "$SCHEME" = "https" ]; then
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PORT=443
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fi
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if [ ! -n "$PORT" ]; then
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PORT=80
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fi;;
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esac
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# Check if URL resolves and port is open
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if ! $NETCAT -z $SHORTURL $PORT > /dev/null 2>&1; then
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OUTMSG="URL $SHORTURL can't resolve or port $PORT not open"
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STATUS=CRITICAL
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output
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fi
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# Check if page can be loaded and contains data
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if [ -n "$NOCERT" ]; then
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$WGET --no-check-certificate -q -O $WGETOUTCKSUM $URL
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else
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$WGET -q -O $WGETOUTCKSUM $URL
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fi
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if [ ! -s "$WGETOUTCKSUM" ]; then
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OUTMSG="$URL does not contain any data"
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STATUS=CRITICAL
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output
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fi
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}
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# Check page response time
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pageload(){
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if [ -n "$NOCERT" ]; then
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STARTTIME=$($DATE +%s%N)
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$WGET --no-check-certificate -q $URL
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ENDTIME=$($DATE +%s%N)
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else
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STARTTIME=$($DATE +%s%N)
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$WGET -q $URL
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ENDTIME=$($DATE +%s%N)
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fi
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TIMEDIFF=$((($ENDTIME-$STARTTIME)/1000000))
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if [ "$TIMEDIFF" -lt "$WARN" ]; then
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STATUS=OK
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elif [ "$TIMEDIFF" -ge "$WARN" ] && [ "$TIMEDIFF" -lt "$CRIT" ]; then
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STATUS=WARNING
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elif [ "$TIMEDIFF" -ge "$CRIT" ]; then
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STATUS=CRITICAL
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fi
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OUTMSG="$TIMEDIFF ms"
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}
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# Output statement and exit
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output(){
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$ECHO "RESPONSE: $STATUS - $OUTMSG""|Response="$TIMEDIFF"ms;"$WARN";"$CRIT";0"
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if [ "$STATUS" = "OK" ]; then
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exit 0
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elif [ "$STATUS" = "WARNING" ]; then
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exit 1
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elif [ "$STATUS" = "CRITICAL" ]; then
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exit 2
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fi
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exit 3
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}
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### Main
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# Input variables
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while getopts w:c:u:n: option
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do case "$option" in
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w) WARN=$OPTARG;;
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c) CRIT=$OPTARG;;
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u) URL=$OPTARG;;
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n) NOCERT=$OPTARG;;
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*) ERROR="Illegal option used"
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usage;;
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esac
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done
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checkpaths
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checkinputs
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mktmpfile
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checkopen
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pageload
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output
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@ -39,10 +39,7 @@ class zulip::profile::base {
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'python3-yaml',
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'puppet',
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'git',
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# Used for most downloads
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'curl',
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# Used in check_website_response.sh
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'wget',
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'jq',
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'procps',
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# Used to read /etc/zulip/zulip.conf for `zulipconf` Puppet function
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@ -67,7 +64,6 @@ class zulip::profile::base {
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'puppet',
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'git',
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'curl',
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'wget',
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'jq',
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'crudini',
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'ntp',
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@ -176,11 +176,6 @@ define command {
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command_line /usr/lib/nagios/plugins/check_by_ssh -l nagios -t 30 -i /var/lib/nagios/.ssh/id_ed25519 -H $HOSTADDRESS$ -C '/usr/lib/nagios/plugins/zulip_app_frontend/check_email_deliverer_backlog'
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}
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define command{
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command_name check_website_response
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command_line /usr/lib/nagios/plugins/zulip_nagios_server/check_website_response.sh -u $ARG1$ -w $ARG2$ -c $ARG3$
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}
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define command{
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command_name check_worker_memory
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command_line /usr/lib/nagios/plugins/check_by_ssh -l nagios -t 30 -i /var/lib/nagios/.ssh/id_ed25519 -H $HOSTADDRESS$ -C '/usr/lib/nagios/plugins/zulip_app_frontend/check_worker_memory'
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@ -205,3 +200,8 @@ define command{
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command_name check_apt_repo_status
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command_line /usr/lib/nagios/plugins/check_http --sni --ssl -H '$ARG1$' -u 'https://$ARG1$$ARG2$/dists/stable/Release' --expect=200 -s Contents-amd64
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}
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define command{
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command_name check_camo
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command_line /usr/lib/nagios/plugins/check_http --sni --ssl -H '$ARG1$' -u '$ARG2$' -k 'Accept-Encoding: identity' -w '$ARG3$' -c '$ARG4$'
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}
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@ -16,7 +16,10 @@ class zulip_ops::profile::nagios {
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$nagios_mail_domain = zulipconf('nagios', 'mail_domain', undef)
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$nagios_mail_host = zulipconf('nagios', 'mail_host', undef)
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$nagios_mail_password = zulipsecret('secrets', 'nagios_mail_password', '')
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$nagios_camo_check_url = zulipconf('nagios', 'camo_check_url', undef)
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if zulipconf('nagios', 'camo_check_url', undef) =~ /^https:\/\/([^\/]*)(\/.*)$/ {
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$nagios_camo_check_host = $1
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$nagios_camo_check_path = $2
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}
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$default_host_domain = zulipconf('nagios', 'default_host_domain', undef)
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$hosts_zmirror = split(zulipconf('nagios', 'hosts_zmirror', undef), ',')
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@ -38,5 +38,5 @@ define service{
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use generic-service
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host_name nagios
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service_description Check Camo is operational
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check_command check_website_response!<%= @nagios_camo_check_url %>!6000!12000!
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check_command check_camo!<%= @nagios_camo_check_host %>!<%= @nagios_camo_check_path %>!6!12
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}
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@ -1,7 +1,6 @@
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# Exclude some directories and files from lint checking
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EXCLUDED_FILES = [
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# Third-party code that doesn't match our style
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"puppet/zulip/files/nagios_plugins/zulip_nagios_server/check_website_response.sh",
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"static/third",
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# Transifex syncs translation.json files without trailing
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# newlines; there's nothing other than trailing newlines we'd be
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