yumnotifier
10:26 PM#!/bin/sh ## Program: E-mail available yum updates <yumnotifier>## Author: latheef < latheefctx at gmail dot com >## Current Version: 1.2## Revision History:## Version 1.2# - Removed ! from if statement - John Beaman# - Changed comments to reference "yumnotifier", not# "yumupdate" -- John Beaman## Version 1.1# - Switched test statement to use "-s" - Luca Rozza## Version 1.0# Initial Release## Last Updated: 10-24-2007## Purpose:# yumnotifier checks for updated software package, and E-mails the# address defined in the ${ADMIN} variable if updates are available.## License:# This program is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.## Installation:# Copy the shell script to a suitable location## Usage:# To check for new updates each day at midnight, a cron job similar to the# following can be used:## $ crontab -l | grep yumnotifier# 0 0 * * * /etc/scripts/yumnotifier## Sample output# An E-mail similar to the following is sent if updates are available:## From root@localhost.localdomain Sat Jul 15 19:24:59 2006# Date: Sat, 15 Jul 2006 19:24:59 -0400# From: root <root@localhost.localdomain># To: matty@localhost.localdomain# Subject: Updates available for biscuit# # ==== The following updates are available for biscuit ===# # comps.i386 2:4.3CENTOS-0.20060314 base # gtk2.i386 2.4.13-18 base # kernel.i686 2.6.9-34.0.2.EL update # libtiff.i386 3.6.1-10 update # mysql.i386 4.1.20-1.RHEL4.1 update # mysql-devel.i386 4.1.20-1.RHEL4.1 update # newt.i386 0.51.6-7.rhel4 base # php.i386 4.3.9-3.15 update # php-ldap.i386 4.3.9-3.15 update # php-pear.i386 4.3.9-3.15 update # postgresql-libs.i386 7.4.13-2.RHEL4.1 update # rpmdb-CentOS.i386 2:4.3-0.20060314 base # sendmail.i386 8.13.1-3.RHEL4.5 update # sendmail-cf.i386 8.13.1-3.RHEL4.5 update # spamassassin.i386 3.0.6-1.el4 update # vixie-cron.i386 4:4.1-44.EL4 update # xorg-x11-Mesa-libGL.i386 6.8.2-1.EL.13.25.1 update # xorg-x11-font-utils.i386 6.8.2-1.EL.13.25.1 update # xorg-x11-libs.i386 6.8.2-1.EL.13.25.1 update # xorg-x11-xauth.i386 6.8.2-1.EL.13.25.1 update # xorg-x11-xfs.i386 6.8.2-1.EL.13.25.1 update PATH=/bin:/usr/bin:/sbin:/usr/sbinexport PATH# Locations of binariesGREP="/bin/grep"HOST=`hostname`MAIL="/bin/mail"MKTEMP="/bin/mktemp"YUM="/usr/bin/yum"# Who to E-mail with new updatesADMIN="matty"if [ ! -f ${YUM} ]then echo "Cannot find ${YUM}" exit 1fiif [ ! -f ${MKTEMP} ]then echo "Cannot find ${MKTEMP}" exit 1fiif [ ! -f ${MAIL} ]then echo "Cannot find ${MAIL}" exit 1fiif [ ! -f ${GREP} ]then echo "Cannot find ${GREP}" exit 1fi# Dump the yum results to a safe working fileWORK=`${MKTEMP} /tmp/yum.results.XXXXXX`${YUM} -e0 -d0 check-update > ${WORK}# If there are updates available, E-mail themif [ -s ${WORK} ]then REPORT=`${MKTEMP} /tmp/yum.report.XXXXXX` echo "==== The following updates are available for ${HOST} ===" > ${REPORT} cat ${WORK} >> ${REPORT} cat ${REPORT} | ${MAIL} -s "Updates available for ${HOST}" ${ADMIN}fi# Cleanup temporary filesrm ${REPORT} ${WORK}
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