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200 lines
6.2 KiB
200 lines
6.2 KiB
#!/bin/bash
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#
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# $Id: getWxAlert 85 2012-07-21 23:13:23Z $
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#
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# Change the method of updating alerts. Check if summary is different instead
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# of the entire url download. This should help prevent updating alert beacons
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# that are unnecessary.
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#
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# Added a check to see if the download failed, if so abort and log. Also
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# changed the wget options for retry=10.
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#
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# Spool Directory should contain the alert.info, pre/post converted files,
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# no_alert, and alert summary
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#
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DEBUG="0" # debug levels 0 = no debug
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# level 1 = save alerts
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# level 2 = detailed info
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# Load config file
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if [ -f ${CUSTOM}/wx_scripts.conf ] ; then
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source ${CUSTOM}/wx_scripts.conf
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else
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echo "Missing ${CUSTOM}/wx_scripts.conf file, aborting..."
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exit 1
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fi
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# Check Arguments...
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# has only one argument, county info
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if [ "$#" = "1" ] ; then
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COUNTY=$1
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COUNTY_NAME=""
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fi
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# has two arguments, county info and county name
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if [ "$#" = "2" ] ; then
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COUNTY=$1
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COUNTY_NAME=$2
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fi
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# if no arguments, then use what is defined in configure file.
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if [ "$1" = "" ] ; then
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# extract County Information and County Name
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COUNTY_NAME=`echo $COUNTY | awk 'BEGIN { FS="," } { print $2} '`
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COUNTY=`echo $COUNTY | awk 'BEGIN { FS="," } { print $1} '`
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# if name is empty, then use COUNTY
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if [ "$COUNTY_NAME" = "" ] ; then
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COUNTY_NAME=$COUNTY
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fi
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fi
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if [ "$COUNTY" = "NOTSET" ] || [ "$COUNTY" = "" ] ; then
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echo "ERROR - The COUNTY variable in ${CUSTOM}/wx_scripts.conf is not set"
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echo "or missing, aborting..."
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exit 1
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fi
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if [ "$COUNTY" = "help" ] ; then # If no arguments
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echo "Usage getWxAlert <county>"
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echo " where <county>=State County, for example: WIC002"
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echo " See http://alerts.weather.gov/ for more informaton"
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echo
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echo " Or you can edit the wx_scripts.conf file to include the COUNTY variable."
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echo
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exit 1
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fi
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if [ -z $TEXT2SPEECH ] ; then
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echo "TEXT2SPEECH value not defined. Please edit wx_scripts_conf file."
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exit 1
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fi
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if [ ! -d /tmp/wx/$COUNTY ] ; then
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mkdir -p /tmp/wx/$COUNTY
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fi
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####### Functions ######
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# Send message to LOGFILE
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function debug2 () {
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MESSAGE="${0##*/} DEBUG: $@"
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echo "$MESSAGE"
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if [ -n "$LOGFILE" ]; then
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echo "`date '+%b %d %Y %T %z'` $MESSAGE" >> $LOGFILE
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fi
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}
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function send_email () {
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for EADDR in `echo $EMAIL | sed 's/,/ /g'` ; do
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# summary version
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# $MAIL -s "Weather Alert for $COUNTY_NAME" $EADDR < /tmp/wx/$COUNTY/pre_conv_alert_summary.txt
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# full alert info
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cp /tmp/wx/$COUNTY/pre_alert.txt /tmp/wx/$COUNTY/email_alert.txt
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# append the alert to the header
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cat /tmp/wx/$COUNTY/pre_full_alert_info.txt >> /tmp/wx/$COUNTY/email_alert.txt
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# mail it
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$MAIL -s "Weather Alert for $COUNTY_NAME" $EADDR < /tmp/wx/$COUNTY/email_alert.txt
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done
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}
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# Convert URL to file
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#function geturldata () {
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# # supply URL
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# # Alternative method of getting url information:
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# ##/usr/bin/lynx -dump $URL$COUNTY > /tmp/wx/$COUNTY/alert.info
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#
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# $WGET -t 10 -w 10 --cache=off --random-wait -q $URL$COUNTY -O - > /tmp/wx/$COUNTY/alert.info
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# # -t 10 retries, -w 10 sec between
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# # turn cache off at server
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#}
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###### End of Functions ######
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PLIST="$CUSTOM/wx_alert_product.txt" # Product list file and directory
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# URL="http://www.weather.gov/alerts-beta/wwaatmget.php?x=" # URL to RSS data
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URL="http://alerts.weather.gov/cap/wwaatmget.php?x=" # URL to RSS data
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DATE=`date +%Y.%m.%d.\%H\%M`
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NO_WXALERT_MSG=$LOCAL/no_wxalert_msg
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MAILDIR="/tmp/wx/$COUNTY" # Mail log file
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MAILLOG="$MAILDIR/spotter_mail.log" # Mail log file
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#MAIL=/bin/mail # mail binary
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MAIL="$CUSTOM/SendMail/SendMail.pl" # Perl SendMail script
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CRIT_TYPES=`cat $CUSTOM/wx_critical_alerts.txt`
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NORM_TYPES=`cat $CUSTOM/wx_normal_alerts.txt`
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#----------------------------- Main program ----------------------
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if [ ! -d $WXALERT_SPOOLDIR/$COUNTY ] ; then
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mkdir -p $WXALERT_SPOOLDIR/$COUNTY
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fi
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if [ ! -d /tmp/wx/$COUNTY ] ; then
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mkdir -p /tmp/wx/$COUNTY
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fi
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cd $WXALERT_SPOOLDIR/$COUNTY
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ALERT_DL=""
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CHKCNT=0
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# loop until get proper response, if after 5 attempts notify
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while [ -z "$ALERT_DL" ] ; do
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if [ $CHKCNT -gt 5 ] ; then
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log "ERROR: $URL is not responding for getWxAlert - ${COUNTY}"
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log " Possible issue with nws.gov server or internet connection"
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ls -l /tmp/wx/$COUNTY/alert.info
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exit 1
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fi
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# Alternative method of getting url information:
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##/usr/bin/lynx -dump $URL$COUNTY > /tmp/wx/$COUNTY/alert.info
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$WGET -t 10 -w 10 --cache=off --random-wait -q $URL$COUNTY -O - > /tmp/wx/$COUNTY/alert.info
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# -t 10 retries, -w 10 sec between
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# turn cache off at server
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# place data in variable to see if contains data
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ALERT_DL="`head -1 /tmp/wx/$COUNTY/alert.info`"
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let CHKCNT=$CHKCNT+1
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# delay before retrying
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sleep 4
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done
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# process the downloaded information
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cat /tmp/wx/$COUNTY/alert.info | \
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grep "title>" |sed '/<title>/,/<\/title/!d' | \
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sed 's/<title>//' | sed 's/<\/title>//' | \
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egrep -v "Current Watches" > wx_new.txt
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# get full summary URL Link
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FULL_SUMMARY_URL=`cat /tmp/wx/$COUNTY/alert.info | egrep "<id>|</id>" | sed 's/<id>//' | sed 's/<\/id>//'`
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# Extract Alert from url information:
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ALERT=`cat /tmp/wx/$COUNTY/alert.info | egrep "<title>|</title>" | sed 's/<title>//' | sed 's/<\/title>//'| sed 's/\(by NWS*\).*/\1/' | sed 's/by NWS//'`
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# Extract Summary from url information:
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SUMMARY=`cat /tmp/wx/$COUNTY/alert.info | egrep "<summary>|</summary>" | sed 's/<summary>//' | sed 's/<\/summary>//'`
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# Debug stuff, print values for $ALERT and SUMMARY
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if [ "$DEBUG" = "2" ] ; then
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echo
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debug2 "************START**************************"
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debug2 "NWS_URL=$URL"
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debug2 "FULL_SUMMARY_URL=$FULL_SUMMARY_URL"
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debug2 "CHKCNT=$CHKCNT"
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debug2 "ALERT=$ALERT"
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debug2 "SUMMARY=$SUMMARY"
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debug2 "COUNTY=$COUNTY"
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debug2 "COUNTY_NAME=$COUNTY_NAME"
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fi
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# Full_alert
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echo "$ALERT ... $SUMMARY" > alert_summary.txt
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#if the download failed, alert_summary.txt has only " ... ", then log and exit.
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