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Princeton/failover/restore_xi.sh

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#!/bin/bash
#
# Restores a Full Backup of Nagios XI
# Copyright (c) 2008-2018 Nagios Enterprises, LLC. All rights reserved.
#
# Change this password if your root password is different than "nagiosxi"
# MySQL root password
themysqlpass="nagiosxi"
# Make sure we have the backup file
if [ $# != 1 ]; then
echo "Usage: $0 <backupfile>"
echo "This script restores your XI system using a previously made Nagios XI backup file."
exit 1
fi
backupfile=$1
BASEDIR=/usr/local/nagiosxi/scripts
SPECIAL_BACKUP=0
# Import Nagios XI and xi-sys.cfg config vars
. $BASEDIR/../var/xi-sys.cfg
eval $(php $BASEDIR/import_xiconfig.php)
# Must be root
me=`whoami`
if [ $me != "root" ]; then
echo "You must be root to run this script."
exit 1
fi
rootdir=/store/backups/nagiosxi
##############################
# MAKE SURE BACKUP FILE EXIST
##############################
if [ ! -f $backupfile ]; then
echo "Unable to find backup file $backupfile!"
exit 1
fi
# Restore just needs to restore the MySQL stuff. Everything else was shipped over via rsync
## Look inside the (nested) tarball to see what architecture the nagios
## executable is
#if [ $backupfile == "/store/backups/nagiosxi-demo.tar.gz" ];then
#backuparch="x86_64"
#else
#backuparch=$(eval $(echo $(tar -xzOf $backupfile $(basename $backupfile .tar.gz)/nagiosxi.tar.gz | tar -xzOf - usr/local/nagiosxi/var/xi-sys.cfg |cat|grep ^arch\=));echo $arch)
#
#fi
#arch=$(uname -m)
#case $arch in
# i*86 ) arch="i686" ;;
# x86_64 ) arch="x86_64" ;;
# * ) echo "Error detecting architecture."; exit 1
#esac
#
#if [ "$arch" != "$backuparch" ]; then
# echo "WARNING: you are trying to restore a $backuparch backup on a $arch system"
# echo " Compiled plugins and other binaries will NOT be restored."
# echo
# read -r -p "Are you sure you want to continue? [y/N] " ok
#
# case "$ok" in
# Y | y ) : ;;
# * ) exit 1
# esac
#fi
#
#backupdist=$(eval $(echo $(tar -xzOf $backupfile $(basename $backupfile .tar.gz)/nagiosxi.tar.gz | tar -xzOf - usr/local/nagiosxi/var/xi-sys.cfg |cat|grep ^dist\=));echo $dist)
#
#if [ "$dist" != "$backupdist" ]; then
# SPECIAL_BACKUP=1
#
# echo "WARNING: you are trying to restore a $backupdist backup on a $dist system"
# echo " Compiled plugins and other binaries as well as httpd configurations"
# echo " will NOT be restored."
# echo ""
# echo " You will need to re-download the Nagios XI tarball, and re-install"
# echo " the subcomponents for this system. More info here:"
# echo " https://assets.nagios.com/downloads/nagiosxi/docs/Backing-Up-And-Restoring-Nagios-XI.pdf"
# echo ""
# read -r -p "Are you sure you want to continue? [y/N] " ok
#
# case "$ok" in
# Y | y ) : ;;
# * ) exit 1
# esac
#fi
##############################
# MAKE TEMP RESTORE DIRECTORY
##############################
#ts=`echo $backupfile | cut -d . -f 1`
ts=`date +%s`
echo "TS=$ts"
mydir=${rootdir}/${ts}-restore
mkdir -p $mydir
if [ ! -d $mydir ]; then
echo "Unable to create restore directory $mydir!"
exit 1
fi
##############################
# UNZIP BACKUP
##############################
echo "Extracting backup to $mydir..."
cd $mydir
tar xzfps $backupfile
# Change to subdirectory
cd `ls`
# Make sure we have some directories here...
backupdir=`pwd`
echo "In $backupdir..."
#if [ ! -f nagiosxi.tar.gz ]; then
# echo "Unable to find files to restore in $backupdir"
# exit 1
#fi
echo "Backup files look okay. Preparing to restore..."
##############################
# SHUTDOWN SERVICES
##############################
echo "Shutting down services..."
$BASEDIR/manage_services.sh stop nagios
$BASEDIR/manage_services.sh stop ndo2db
$BASEDIR/manage_services.sh stop npcd
##############################
# RESTORE DIRS
##############################
rootdir=/
#echo "Restoring directories to ${rootdir}..."
#
## Nagios Core
#echo "Restoring Nagios Core..."
#if [ "$arch" == "$backuparch" ] && [ $SPECIAL_BACKUP -eq 0 ]; then
# rm -rf /usr/local/nagios
# cd $rootdir && tar xzf $backupdir/nagios.tar.gz
#else
# rm -rf /usr/local/nagios/etc /usr/local/nagios/share /usr/local/nagios/var
# cd $rootdir && tar --exclude="usr/local/nagios/bin" --exclude="usr/local/nagios/sbin" --exclude="usr/local/nagios/libexec" -xzf $backupdir/nagios.tar.gz
# cd $rootdir && tar --wildcards 'usr/local/nagios/libexec/*.*' -xzf $backupdir/nagios.tar.gz
#fi
#
## Restore ramdisk if it exists
#if [ -f "$backupdir/ramdisk.nagios" ]; then
# echo "Updating ramdisk configuration..."
# cp $backupdir/ramdisk.nagios /etc/sysconfig/nagios
#fi
#
## Nagios XI
#echo "Restoring Nagios XI..."
#if [ "$arch" == "$backuparch" ] && [ $SPECIAL_BACKUP -eq 0 ]; then
# rm -rf /usr/local/nagiosxi
# cd $rootdir && tar xzfps $backupdir/nagiosxi.tar.gz
#else
# mv $BASEDIR/../var/xi-sys.cfg /tmp/xi-sys.cfg
# mv $BASEDIR/../var/certs /tmp/certs
# mv $BASEDIR/../var/keys /tmp/keys
#
# rm -rf /usr/local/nagiosxi
# cd $rootdir && tar xzfps $backupdir/nagiosxi.tar.gz
#
# cp -r /tmp/xi-sys.cfg $BASEDIR/../var/xi-sys.cfg
# rm -f /tmp/xi-sys.cfg
#
# # Check for certs
# mkdir -p $BASEDIR/../var/certs
# cp -r /tmp/certs $BASEDIR/../var/
#
# rm -rf /tmp/certs
#
# # Check for keys
# mkdir -p $BASEDIR/../var/keys
# cp -r /tmp/keys $BASEDIR/../var/
#
# rm -rf /tmp/keys
#fi
#
## NagiosQL
#if [ -d "/var/www/html/nagiosql" ]; then
#
# echo "Restoring NagiosQL..."
# rm -rf /var/www/html/nagiosql
# cd $rootdir && tar xzfps $backupdir/nagiosql.tar.gz
#
# # NagiosQL etc
# echo "Restoring NagiosQL backups..."
# rm -rf /etc/nagiosql
# cd $rootdir && tar xzfps $backupdir/nagiosql-etc.tar.gz
#
#fi
#
## NRDP
#echo "Restoring NRDP backups..."
#rm -rf /usr/local/nrdp
#cd $rootdir && tar xzfps $backupdir/nrdp.tar.gz
#
## MRTG
#if [ -f $backupdir/mrtg.tar.gz ]; then
# echo "Restoring MRTG..."
# rm -rf /var/lib/mrtg
# cd $rootdir && tar xzfps $backupdir/mrtg.tar.gz
# cp -rp $backupdir/conf.d /etc/mrtg/
# cp -p $backupdir/mrtg.cfg /etc/mrtg/
# chown $apacheuser:$nagiosgroup /etc/mrtg/conf.d /etc/mrtg/mrtg.cfg
#fi
#cd $backupdir
#
## SNMP configs and MIBS
#if [ -f $backupdir/etc-snmp.tar.gz ]; then
# echo "Restoring SNMP configuration files..."
# cd $rootdir && tar xzfps $backupdir/etc-snmp.tar.gz
#fi
#if [ -f $backupdir/usr-share-snmp.tar.gz ]; then
# echo "Restoring SNMP MIBs..."
# cd $rootdir && tar xzfps $backupdir/usr-share-snmp.tar.gz
#fi
#
# Nagvis
#if [ -f $backupdir/nagvis.tar.gz ]; then
# echo "Restoring Nagvis backups..."
# rm -rf /usr/local/nagvis
# cd $rootdir && tar xzfps $backupdir/nagvis.tar.gz
# chown -R $apacheuser:$nagiosgroup /usr/local/nagvis
#fi
#
## nagios user home
#if [ -f $backupdir/home-nagios.tar.gz ]; then
# echo "Restoring nagios home dir..."
# cd $rootdir && tar xzfps $backupdir/home-nagios.tar.gz
#fi
# RE-IMPORT ALL XI CFG VARS
. $BASEDIR/../var/xi-sys.cfg
php $BASEDIR/import_xiconfig.php > $BASEDIR/config.dat
. $BASEDIR/config.dat
rm -rf $BASEDIR/config.dat
# Overwrite the mysqlpass with the hardcoded one at the top
mysqlpass="$themysqlpass"
##############################
# RESTORE DATABASES
##############################
echo "Restoring MySQL databases..."
if [[ "$cfg__db_info__ndoutils__dbserver" == *":"* ]]; then
ndoutils_dbport=`echo "$cfg__db_info__ndoutils__dbserver" | cut -f2 -d":"`
ndoutils_dbserver=`echo "$cfg__db_info__ndoutils__dbserver" | cut -f1 -d":"`
else
ndoutils_dbport='3306'
ndoutils_dbserver="$cfg__db_info__ndoutils__dbserver"
fi
mysql -h "$ndoutils_dbserver" --port="$ndoutils_dbport" -u root --password=$mysqlpass < $backupdir/mysql/nagios.sql
res=$?
if [ $res != 0 ]; then
echo "Error restoring MySQL database 'nagios' - check the password in this script!"
exit;
fi
if [[ "$cfg__db_info__nagiosql__dbserver" == *":"* ]]; then
nagiosql_dbport=`echo "$cfg__db_info__nagiosql__dbserver" | cut -f2 -d":"`
nagiosql_dbserver=`echo "$cfg__db_info__nagiosql__dbserver" | cut -f1 -d":"`
else
nagiosql_dbport='3306'
nagiosql_dbserver="$cfg__db_info__nagiosql__dbserver"
fi
mysql -h "$nagiosql_dbserver" --port="$nagiosql_dbport" -u root --password=$mysqlpass < $backupdir/mysql/nagiosql.sql
res=$?
if [ $res != 0 ]; then
echo "Error restoring MySQL database 'nagiosql' - check the password in this script!"
exit;
fi
# Only restore PostgresQL if we are still using it
if [ "$cfg__db_info__nagiosxi__dbtype" == "pgsql" ]; then
service postgresql initdb &>/dev/null || true
echo "Restoring Nagios XI PostgresQL database..."
if [ -f /var/lib/pgsql/data/pg_hba.conf ]; then
pghba="/var/lib/pgsql/data/pg_hba.conf"
cp -pr $pghba $pghba.old
else
#Ubuntu/Debian
pghba=$(find /etc/postgresql -name "*pg_hba.conf")
cp -pr $pghba $pghba.old
fi
echo "local all all trust
host all all 127.0.0.1/32 trust
host all all ::1/128 trust" > $pghba
$BASEDIR/manage_services.sh start postgresql
sudo -u postgres psql -c "create user nagiosxi with password 'n@gweb';"
sudo -u postgres psql -c "create database nagiosxi owner nagiosxi;"
$BASEDIR/manage_services.sh restart postgresql
# Sleep a bit (required so Postgres finishes startup before we connect again)
echo "Sleeping for a few seconds (please wait)..."
sleep 7
psql -U nagiosxi nagiosxi < $backupdir/pgsql/nagiosxi.sql
res=$?
if [ $res != 0 ]; then
echo "Error restoring PostgresQL database 'nagiosxi' !"
exit;
fi
$BASEDIR/manage_services.sh restart postgresql
if [ "$dist" == "el7" ] || [ "$dist" == "el8" ]; then
systemctl enable postgresql.service
elif [[ "$distro" == "Ubuntu" ]] || [[ "$distro" == "Debian" ]]; then
update-rc.d postgresql enable
else
chkconfig postgresql on
fi
# Remove nagiosxi db from mysql if postgres is used instead
if [[ "$cfg__db_info__nagiosql__dbserver" == *":"* ]]; then
nagiosql_dbport=`echo "$cfg__db_info__nagiosql__dbserver" | cut -f2 -d":"`
nagiosql_dbserver=`echo "$cfg__db_info__nagiosql__dbserver" | cut -f1 -d":"`
else
nagiosql_dbport='3306'
nagiosql_dbserver="$cfg__db_info__nagiosql__dbserver"
fi
mysql -h "$nagiosql_dbserver" --port="$nagiosql_dbport" -u root --password=$mysqlpass < "DROP TABLE IF EXISTS nagiosxi;"
else
echo "Restoring Nagios XI MySQL database..."
if [[ "$cfg__db_info__nagiosxi__dbserver" == *":"* ]]; then
nagiosxi_dbport=`echo "$cfg__db_info__nagiosxi__dbserver" | cut -f2 -d":"`
nagiosxi_dbserver=`echo "$cfg__db_info__nagiosxi__dbserver" | cut -f1 -d":"`
else
nagiosxi_dbport='3306'
if [ "x$cfg__db_info__nagiosxi__dbserver" == "x" ]; then
nagiosxi_dbserver="localhost"
else
nagiosxi_dbserver="$cfg__db_info__nagiosxi__dbserver"
fi
fi
mysql -h "$nagiosxi_dbserver" --port="$nagiosxi_dbport" -u root --password=$mysqlpass < $backupdir/mysql/nagiosxi.sql
res=$?
if [ $res != 0 ]; then
echo "Error restoring MySQL database 'nagiosxi' !"
exit;
fi
fi
echo "Restarting database servers..."
$BASEDIR/manage_services.sh restart mysqld
###############################
## RESTORE CRONJOB ENTRIES
###############################
#echo "Restoring Apache cronjobs..."
#if [[ "$distro" == "Ubuntu" ]] || [[ "$distro" == "Debian" ]]; then
# cp $backupdir/cron/apache /var/spool/cron/crontabs/$apacheuser
#else
# cp $backupdir/cron/apache /var/spool/cron/apache
#fi
##############################
# RESTORE SUDOERS
##############################
# Not necessary
###############################
## RESTORE LOGROTATE
###############################
#echo "Restoring logrotate config files..."
#cp -rp $backupdir/logrotate/nagiosxi /etc/logrotate.d
###############################
## RESTORE APACHE CONFIG FILES
###############################
#if [ $SPECIAL_BACKUP -eq 0 ]; then
# echo "Restoring Apache config files..."
# cp -rp $backupdir/httpd/nagios.conf $httpdconfdir
# cp -rp $backupdir/httpd/nagiosxi.conf $httpdconfdir
# cp -rp $backupdir/httpd/nagiosmobile.conf $httpdconfdir
# cp -rp $backupdir/httpd/nagvis.conf $httpdconfdir
# cp -rp $backupdir/httpd/nrdp.conf $httpdconfdir
# if [ -d "/etc/apache2/sites-available" ]; then
# cp -rp $backupdir/httpd/default-ssl.conf /etc/apache2/sites-available
# else
# cp -rp $backupdir/httpd/ssl.conf $httpdconfdir
# fi
#else
# echo "Skipping Apache config files restoration"
#fi
##############################
# RESTART SERVICES
##############################
$BASEDIR/manage_services.sh restart httpd
$BASEDIR/manage_services.sh start npcd
$BASEDIR/manage_services.sh start ndo2db
$BASEDIR/manage_services.sh start nagios
##############################
# DELETE TEMP RESTORE DIRECTORY
##############################
rm -rf $mydir
##############################
# DELETE forceinstall FILE
##############################
rm -f /tmp/nagiosxi.forceinstall
echo " "
echo "==============="
echo "RESTORE COMPLETE"
echo "==============="
exit 0