#!/bin/sh # notify-html-email.sh v1.6 # by mgothard # www.NagiosExchange.org VERSION="1.6" # Requires the following shell commands/programs (in reference order): # sendmail - or other command-line mail tool; called to actually handle sending of message # printf - interpret escape characters before passing to mail system # date - used to generate unique Content-ID and MIME boundary; also to convert Nagios Unix epoch timestamps to human readable # hostname - used to generate unique Content-ID and MIME boundary # uuencode - generates Base64 encodes of Nagios graphics # head - used to cleanup uuencode output # tail - used to cleanup uuencode output # python - manipulate strings # ChangeLog # --------- # 1.6 - Fixed MIME boundary problem # - Fixed capitalization problems with "text-transform" on some browsers # - Fixed compatibility issues with Microsoft Outlook 2007 (with a loss of HTML 4.01 Strict compliance) # 1.5 - New format looks and acts more like Nagios itself # - HTML 4.01 Strict compliant; all tags in lower case and all parameters quoted in prep for XHTML 1.0 # - Multipart MIME added with embedded graphics and alternate text # - Single HTML form modified with variables for ease in editing # - Lots of code changes/cleanup # - Corrected some timezone related bugs # - Added tons of comments # 1.0 - Original HTML message generation; text/html MIME type only # - CSS 2.0 compliant # Known Bugs # --------- # 1. May be some bash specific syntax in here. Please report this if you find it. # **************************************** # Modify the following variables as needed # **************************************** # Full path to your mail program MAILER=/usr/sbin/sendmail # Any options necessary to read the FROM: and TO: fields, etc. from the input MAILOPTS="-t" # Full path to printf PRINTF=/usr/bin/printf # Full path to Nagios images directory. Do NOT include a trailing backslash character! ('/') IMAGES=/usr/local/nagios/share/images # Text name for your reply-to address. E-mail address is gleaned from Nagios config REPLYNAME="Nagios_Alerts" REPLYADDRESS="$REPLYNAME <$NAGIOS_ADMINEMAIL>" # Full URL to Nagios front-end. Do NOT include a trailing backslash character! ('/') URLPATH="http://$HOSTNAME/nagios" # Full URL to Nagios cgi-bin directory. Do NOT include a trailing backslash character! ('/') URLCGIBIN="$URLPATH/cgi-bin" # Date command formating parameters used in HTML message. Can be null, or include options, or both # ex: "--rfc-3389=seconds", "+%x %X" DATEFORMAT="+%m/%d/%Y %l:%M:%S%P %Z" # Generate unique MIME Content-ID base for multipart message CONTENTIDBASE="`date +%s`@`hostname --fqdn`" # MIME boundary string MIMEBOUNDARY1="=_NextPart_`date +%s`_`hostname`_1" MIMEBOUNDARY2="=_NextPart_`date +%s`_`hostname`_2" # *************END MODIFY***************** # Check for proper usage [ $1 ] || { echo -e "notify-html-email.sh $VERISON\n\nHTML 4.0 notification for Nagios 2.x\n\nUsage: notify-html-email \n\nOptions:" echo -e " notification_type\n Must be 'host' or 'service' indicating the type of notification\n" echo -e "This script should be called by a Nagios e-mail notification command\nfrom /usr/local/nagios/etc/misccommands.cfg" echo -e "It uses the NAGIOS_* environmental variables to generate and send an HTML\nmessage to the recipient. The format of the e-mail is customizable by\nediting the script.\n" exit -1 } # Be sure minimum necessary variables are present [ $NAGIOS_HOSTNAME ] || { echo "Hostname not found. Not called from Nagios?" exit -1 } [ $NAGIOS_CONTACTEMAIL ] || { echo "E-mail address not found. Not called from Nagios?" exit -1 } [ $NAGIOS_ADMINEMAIL ] || { echo "Reply-To e-mail address not found. Not called from Nagios?" exit -1 } # For future functionaliy #[ $NAGIOS_MAINCONFIGFILE ] || { # echo "Unable to locate the main Nagios config file. Not called from Nagios?" # exit -1 #} # Generate Base64 encodings for inline graphics UUIMGSTATUS3=`uuencode --base64 $IMAGES/status3.gif status3.gif | tail --lines=+2 | head --lines=-1` UUIMGDISABLED=`uuencode --base64 $IMAGES/disabled.gif disabled.gif | tail --lines=+2 | head --lines=-1` UUIMGDELAY=`uuencode --base64 $IMAGES/delay.gif delay.gif | tail --lines=+2 | head --lines=-1` UUIMGACK=`uuencode --base64 $IMAGES/ack.gif ack.gif | tail --lines=+2 | head --lines=-1` UUIMGDOWNTIME=`uuencode --base64 $IMAGES/downtime.gif downtime.gif | tail --lines=+2 | head --lines=-1` UUIMGENABLED=`uuencode --base64 $IMAGES/enabled.gif enabled.gif | tail --lines=+2 | head --lines=-1` UUIMGCOMMENT=`uuencode --base64 $IMAGES/comment.gif comment.gif | tail --lines=+2 | head --lines=-1` # Graphics that may not be used (depends on notification type) MIMEGRAPHICACK="--$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/ack.gif Content-Disposition: inline $UUIMGACK" MIMEGRAPHIC1="--$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/status3.gif Content-Disposition: inline $UUIMGSTATUS3" MIMEGRAPHIC2="--$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/enabled.gif Content-Disposition: inline $UUIMGENABLED" # Initialize variables FLAPPING="NO" FLAPPINGCLASS="notflapping" case $NAGIOS_NOTIFICATIONTYPE in PROBLEM) BKCLR="F83838" ; case $NAGIOS_SERVICESTATE in WARNING) BKCLR="FFFF00" ;; UNKNOWN) BKCLR="FF9900" ;; esac ;; RECOVERY) BKCLR="33FF00" ; MIMEGRAPHICACK="" ;; ACKNOWLEDGEMENT) BKCLR="0099FF" ; R_SUBJECT="has been acknowledged by" ; STATUSACK="(Has been acknowledged)" ; MIMEGRAPHICACK="" ;; FLAPPINGSTART) BKCLR="F83838" ; R_SUBJECT="has started flapping" ; FLAPPING="YES" ; FLAPPINGCLASS="flapping" ;; FLAPPINGSTOP) BKCLR="33FF00" ; R_SUBJECT="is no longer flapping" ; MIMEGRAPHICACK="" ;; TEST) BKCLR="FF66FF" ; MIMEGRAPHICACK="" ;; *) BKCLR="FF66FF" ;; esac # Host message prep if [[ $1 == 'host' ]] ; then { # ---Section only used for alterative text message--- LASTHOSTDOWNTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTHOSTDOWN seconds"` LASTHOSTUPTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTHOSTUP seconds"` LASTHOSTUNREACHABLETIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTHOSTUNREACHABLE seconds"` if [[ $LASTHOSTDOWNTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTHOSTDOWNTIME="never" ; fi if [[ $LASTHOSTUPTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTHOSTUPTIME="never" ; fi if [[ $LASTHOSTUNREACHABLETIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTHOSTUNREACHABLETIME="never" ; fi case $NAGIOS_HOSTSTATE in UP) R_TIMES="Last time this host was down: $LASTHOSTDOWNTIME Last time this host was unreachable: $LASTHOSTUNREACHABLETIME" ;; DOWN | UNREACHABLE) R_TIMES="Last time this host was up: $LASTHOSTUPTIME" ;; *) R_TIMES="Error: Unknown host state" ;; esac # ---END SECTION--- if [[ $R_SUBJECT == "" ]] ; then { R_SUBJECT="is $NAGIOS_HOSTSTATE ($NAGIOS_NOTIFICATIONNUMBER)" }; fi if [[ $NAGIOS_NOTIFICATIONTYPE == "ACKNOWLEDGEMENT" ]] ; then { R_SUBJECT="$R_SUBJECT $NAGIOS_HOSTACKAUTHOR" R_ACKADD=" $NAGIOS_HOSTACKAUTHOR $NAGIOS_HOSTACKCOMMENT " }; elif [[ $NAGIOS_NOTIFICATIONTYPE == "PROBLEM" || $NAGIOS_NOTIFICATIONTYPE == "FLAPPINGSTART" ]] ; then { R_ACKCOMMAND=" Acknowledge Acknowledge this host problem " }; fi R_SUBJECT="Nagios Host Alert - $NAGIOS_HOSTNAME $R_SUBJECT" R_DESCRIPTION=$NAGIOS_HOSTALIAS R_NOTES=$NAGIOS_HOSTNOTES R_STATE=$NAGIOS_HOSTSTATE R_OUTPUT=$NAGIOS_HOSTOUTPUT R_ATTEMPT=$NAGIOS_HOSTATTEMPT R_PERFDATA=$NAGIOS_HOSTPERFDATA R_DURATION=$NAGIOS_HOSTDURATION R_LATENCY=$NAGIOS_HOSTLATENCY R_EXECUTION=$NAGIOS_HOSTEXECUTIONTIME R_PERCENT=$NAGIOS_HOSTPERCENTCHANGE R_LASTCHECK=`date --date="1970-01-01 UTC $NAGIOS_LASTHOSTCHECK seconds" "$DATEFORMAT"` R_LASTSTATECHANGE=`date --date="1970-01-01 UTC $NAGIOS_LASTHOSTSTATECHANGE seconds" "$DATEFORMAT"` R_COMMANDTAIL="&host=$NAGIOS_HOSTNAME" R_COMMANDADD1=" map Locate host on map " R_COMMANDADD2="48" R_COMMANDADD3="96" R_COMMANDADD4="25" R_COMMANDADD5="10" R_COMMANDADD6="55" R_COMMANDADD7=" enabled Enable notifications for all services on this host delay Schedule a check of all services on this host disabled Disable checks of all services on this host enabled Enable checks of all services on this host " R_COMMANDADD8="58" R_COMMANDADD9="1" }; # Service message prep elif [[ $1 == 'service' ]] ; then { # ---Section only used for alterative text message--- LASTSERVICECRITICALTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTSERVICECRITICAL seconds"` LASTSERVICEWARNINGTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTSERVICEWARNING seconds"` LASTSERVICEOKTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTSERVICEOK seconds"` LASTSERVICEUNKNOWNTIME=`date --universal --date="1970-01-01 UTC $NAGIOS_LASTSERVICEUNKNOWN seconds"` if [[ $LASTSERVICECRITICALTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTSERVICECRITICALTIME="never" ; fi if [[ $LASTSERVICEWARNINGTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTSERVICEWARNINGTIME="never" ; fi if [[ $LASTSERVICEOKTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTSERVICEOKTIME="never" ; fi if [[ $LASTSERVICEUNKNOWNTIME == "Thu Jan 1 00:00:00 UTC 1970" ]] ; then LASTSERVICEUNKNOWNTIME="never" ; fi case $NAGIOS_SERVICESTATE in OK) R_TIMES="Last time this service was critical: $LASTSERVICECRITICALTIME Last time this service was warning: $LASTSERVICEWARNINGTIME Last time this service was unknown: $LASTSERVICEUNKNOWNTIME" ;; WARNING | UNKNOWN | CRITICAL) R_TIMES="Last time this service was ok: $LASTSERVICEOKTIME" ;; *) R_TIMES="Error: Unknown service state" ;; esac # ---END SECTION--- if [[ $R_SUBJECT == "" ]] ; then { R_SUBJECT="is $NAGIOS_SERVICESTATE ($NAGIOS_NOTIFICATIONNUMBER)" }; fi if [[ $NAGIOS_NOTIFICATIONTYPE == "ACKNOWLEDGEMENT" ]] ; then { R_SUBJECT="$R_SUBJECT $NAGIOS_SERVICEACKAUTHOR" R_ACKADD=" $NAGIOS_SERVICEACKAUTHOR $NAGIOS_SERVICEACKCOMMENT " }; elif [[ $NAGIOS_NOTIFICATIONTYPE == "PROBLEM" || $NAGIOS_NOTIFICATIONTYPE == "FLAPPINGSTART" ]] ; then { R_ACKCOMMAND=" acknowledge Acknowledge this service problem " }; fi R_SUBJECT="Nagios Service Alert - $NAGIOS_SERVICEDESC on $NAGIOS_HOSTNAME $R_SUBJECT" R_DESCRIPTION=$NAGIOS_SERVICEDESC R_STATE=$NAGIOS_SERVICESTATE R_OUTPUT=$NAGIOS_SERVICEOUTPUT R_ATTEMPT=$NAGIOS_SERVICEATTEMPT R_LINKBOX_ADD="View Information For This Host
" R_LINKBOXLINK_ADD="&service=$NAGIOS_SERVICEDESC" R_TITLE_ADD="
On Host
$NAGIOS_HOSTALIAS
" R_NOTES=$NAGIOS_SERVICENOTES R_PERFDATA=$NAGIOS_SERVICEPERFDATA R_DURATION=$NAGIOS_SERVICEDURATION R_LATENCY=$NAGIOS_SERVICELATENCY R_EXECUTION=$NAGIOS_SERVICEEXECUTIONTIME R_PERCENT=$NAGIOS_SERVICEPERCENTCHANGE R_LASTCHECK=`date --date="1970-01-01 UTC $NAGIOS_LASTSERVICECHECK seconds" "$DATEFORMAT"` R_LASTSTATECHANGE=`date --date="1970-01-01 UTC $NAGIOS_LASTSERVICESTATECHANGE seconds" "$DATEFORMAT"` R_COMMANDTAIL="&host=$NAGIOS_HOSTNAME&service=$NAGIOS_SERVICEDESC" R_COMMANDADD2="6" R_COMMANDADD3="7" R_COMMANDADD4="23" R_COMMANDADD5="9" R_COMMANDADD6="56" R_COMMANDADD8="60" R_COMMANDADD9="3" MIMEGRAPHIC1="" MIMEGRAPHIC2="" }; # Catch for bad argument else { echo "Invalid argument. Must be 'host' or 'service'" exit -1 }; fi # Included for browser compatability problems with CSS text-transform: capitalize NAGIOS_NOTIFICATIONTYPE=`echo $NAGIOS_NOTIFICATIONTYPE | python -c "print raw_input().capitalize()"` set -- `echo $1 | python -c "print raw_input().capitalize()"` # Message generation # NOTE: All of the "R_" variables change when either 'host' or 'service' is selected MSG=`echo "From: $REPLYADDRESS Reply-To: $REPLYADDRESS To: $NAGIOS_CONTACTALIAS <$NAGIOS_CONTACTEMAIL> Subject: $R_SUBJECT MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=$MIMEBOUNDARY1 --$MIMEBOUNDARY1 Content-Type: text/plain; charset=us-ascii $R_DESCRIPTION ($NAGIOS_HOSTNAME @ $NAGIOS_HOSTADDRESS) is $R_STATE, Nagios reports: $R_OUTPUT, This $1 has been $R_STATE for $R_ATTEMPT consecutive attempts, $R_TIMES --$MIMEBOUNDARY1 Content-Type: multipart/related; boundary=$MIMEBOUNDARY2; type=text/html --$MIMEBOUNDARY2 Content-Type: text/html; charset=us-ascii Content-Description: HTML message Content-ID: Nagios Notification
 

Nagios $NAGIOS_NOTIFICATIONTYPE Notification
 
$R_LINKBOX_ADD View Status Detail For This Host
View Alert History For This $1
View Trends For This $1
View Alert Histogram For This $1
View Availability Report For This $1
View Notifications This $1
$1
$R_DESCRIPTION
$R_TITLE_ADD
($NAGIOS_HOSTNAME)

$NAGIOS_HOSTADDRESS

$R_NOTES
$1 State Information
Current Status:
  $R_STATE  $STATUSACK  
Status Information: $R_OUTPUT
Check attempts: $R_ATTEMPT
Last Check Time: $R_LASTCHECK
Latency (off schedule): $R_LATENCY seconds
Check Duration: $R_EXECUTION seconds
Last State Change: $R_LASTSTATECHANGE
Current State Duration: $R_DURATION
Current Notification Number:   $NAGIOS_NOTIFICATIONNUMBER  
Is This $1 Flapping?
  $FLAPPING  
Percent State Change: $R_PERCENT%
$1 Commands
$R_COMMANDADD1 $R_ACKCOMMAND $R_COMMANDADD7
disabled Disable active checks of this $1
delay Re-schedule the next check of this $1
disabled Disable notifications for this $1
delay Delay next $1 notification
downtime Schedule downtime for this $1
disabled Disable flap detection for this $1
$1 Comments
comment Add a new comment
$R_ACKADD
Author Comment

All information is the property of $REPLYNAME
and should be treated as confidential

--$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/disabled.gif Content-Disposition: inline $UUIMGDISABLED --$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/delay.gif Content-Disposition: inline $UUIMGDELAY --$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/downtime.gif Content-Disposition: inline $UUIMGDOWNTIME --$MIMEBOUNDARY2 Content-Type: image/gif Content-Transfer-Encoding: base64 Content-Description: Inline graphic Content-ID: Content-Location: $URLPATH/images/comment.gif Content-Disposition: inline $UUIMGCOMMENT $MIMEGRAPHIC1 $MIMEGRAPHIC2 $MIMEGRAPHICACK --$MIMEBOUNDARY2-- --$MIMEBOUNDARY1--"` [ "$MSG" ] || { echo "Error generating e-mail message." exit -1 } # Send the damn e-mail already! $PRINTF "%b" "$MSG" | $MAILER $MAILOPTS exit