#!/bin/bash # E-mail notification script for Nagios # Ben Winslow , Dec 2002 # Configuration: # From: email address FROM_ADDRESS="Nagios Notification " # msg_text() - Generates the plaintext part of the message function msg_text() { cat << _E_O_M_ --$MIME_SEP Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ******************* `printf "%-15s" $NOTIFICATIONTYPE` Notification ******************* Service: $SERVICEDESC Host: $HOSTALIAS ($HOSTADDRESS) State: $SERVICESTATE *********************** Detailed Information *********************** $OUTPUT ********************* Notification Information ********************* Alerts Sent: $NOTIFICATIONNUMBER Timestamp: $DATETIME *********************** Monitor Information ************************ Last checked: `duration $((DATE_TIMET - LASTCHECK))` ago Last change: `duration $((DATE_TIMET - LASTSTATECHANGE))` ago Execution time: `duration $EXECUTIONTIME` _E_O_M_ } # msg_html() - Generates the HTML part of the message function msg_html() { cat << _E_O_M_ --$MIME_SEP Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Problem Report
$NOTIFICATIONTYPE Notification
Service:$SERVICEDESC
Host:$HOSTALIAS ($HOSTADDRESS)
State:$SERVICESTATE
Detailed Information
$OUTPUT
Notification Information
Alerts Sent:$NOTIFICATIONNUMBER
Timestamp:$DATETIME
Monitor Information
Last checked:`duration $((DATE_TIMET - LASTCHECK))` ago
Last change:`duration $((DATE_TIMET - LASTSTATECHANGE))` ago
Execution time:`duration $EXECUTIONTIME`
_E_O_M_ } # msg_header() - Generates the message headers function msg_header() { if [ "$SERVICEDESC" = "N/A" ]; then SUBJECT="$NOTIFICATIONTYPE: $HOSTALIAS is $SERVICESTATE" else SUBJECT="$NOTIFICATIONTYPE: $HOSTALIAS/$SERVICEDESC is $SERVICESTATE" fi cat << _E_O_M_ From: $FROM_ADDRESS To: $CONTACTALIAS <$CONTACTEMAIL> Subject: $SUBJECT Date: $DATE_RFC822 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="$MIME_SEP" User-Agent: html-email (sh) nagios This is a multipart message as defined by RFC2049 (MIME). _E_O_M_ } # msg_footer - finalize the message function msg_footer() { echo "--$MIME_SEP--" } # collect_args - put the parameters into variables function collect_args() { CONTACTNAME="$1" CONTACTALIAS="$2" CONTACTEMAIL="$3" CONTACTPAGER="$4" shift 4 HOSTNAME="$1" HOSTALIAS="$2" HOSTADDRESS="$3" HOSTSTATE="$4" shift 4 SERVICEDESC="$1" SERVICESTATE="$2" OUTPUT="$3" PERFDATA="$4" EXECUTIONTIME="$5" LATENCY="$6" shift 6 NOTIFICATIONTYPE="$1" NOTIFICATIONNUMBER="$2" shift 2 DATETIME="$1" SHORTTIME="$2" DATE="$3" TIME="$4" TIMET="$5" LASTCHECK="$6" LASTSTATECHANGE="$7" shift 7 ADMINEMAIL="$1" ADMINPAGER="$2" } # duration - convert seconds into a readable time function duration() { TEXT="" DURATION="$1" # weeks NUM_WEEKS=$((DURATION / 604800)) # days NUM_DAYS=$(((DURATION / 86400) % 7)) # hours NUM_HOURS=$(((DURATION / 3600) % 60)) # minutes NUM_MINUTES=$(((DURATION / 60) % 60)) # seconds NUM_SECONDS=$((DURATION % 60)) if [ "$2" != "short" ]; then TEXT_WEEKS=" weeks, " TEXT_DAYS=" days, " TEXT_HOURS=" hours, " TEXT_MINUTES=" minutes, " TEXT_SECONDS=" seconds" else TEXT_WEEKS="w" TEXT_DAYS="d" TEXT_HOURS="h" TEXT_MINUTES="m" TEXT_SECONDS="s" fi if [ $NUM_WEEKS -ne 0 ]; then TEXT="$TEXT$NUM_WEEKS$TEXT_WEEKS" fi if [ $NUM_DAYS -ne 0 ]; then TEXT="$TEXT$NUM_DAYS$TEXT_DAYS" fi if [ $NUM_HOURS -ne 0 ]; then TEXT="$TEXT$NUM_HOURS$TEXT_HOURS" fi if [ $NUM_MINUTES -ne 0 ]; then TEXT="$TEXT$NUM_MINUTES$TEXT_MINUTES" fi TEXT="$TEXT$NUM_SECONDS$TEXT_SECONDS" echo "$TEXT" } # script_init - initialize some internal variables function script_init() { MIME_SEP="----=MIME.`mcookie`" DATE_RFC822="`date -R`" # FIXME: not portable DATE_TIMET="`date +%s`" if [ -z "$SERVICEDESC" ]; then SERVICEDESC="N/A" SERVICESTATE="$HOSTSTATE" fi } # run it collect_args "$@" script_init msg_header msg_text msg_html msg_footer