Linux Training

#!/bin/ksh
#$Id: plbkup,v 1.126 2014/12/03 19:11:50 fulford Exp $
# $Source: /src/merlin/usr/local/etc/RCS/plbkup,v $
# $Revision: 1.126 $
# Author C W Fulford.
# Copyright 2013 (c) C W Fulford. 
# Licensed for public use under the LGPL.
# For assistance contact fulford@fulford.net 0709 229 5385
##########################################################
cmd=`basename $0`
syntax="$cmd  [-c <config_file>] [-d] [-e <email_rcpt>] [-l] [-n] [-p <psa_config>] [-t <type>] [-T(est)]  [-v] <hostid>"
while [ $# -gt 0 ];do
	case $1 in
		-c)conf= $2;shift 2;;
		-d)set -x;debug=:;shift;;
		-e)rcpt=$2;shift 2;;
		-l)log=:;shift;;
		-n) encrypt=$2;shift 2;;
		-p)rpsaconf=$2;shift 2;;
		-T)testmode=:;shift;;
		-t)type=$2;shift 2;;
		-v)verbose=:;shift;;
		*)hostid=$1;shift;;
	esac
done
[ -z "$hostid" ]&&{ echo "syntax: $syntax">&2;exit 1;}

conf=${conf:-/usr/local/etc/plbkup.cf}
[ -r $conf ]||{ echo "$cmd: can't read $conf." >&2;exit 1 ;}

eval `sed $conf -ne '/^'$hostid':/,/^$/{
	/^[ 	][^#]/p
	}'
`
[ -z "$ftpusr" ]&&{
	echo "$cmd: FTP user name not found in $conf">&2
	exit 1
}
[ -z "$ftpsrvr" ]&&{
	echo "$cmd: FTP server not found in $conf">&2
	exit 1
}
[ -z "$ftppass" ]&&{
	echo "$cmd: FTP passwd not found in $conf">&2
	exit 1
}
if [ "$encrypt" = "gpg"   ];then
	[ -z "$gpass" ] &&{
       		echo "$cmd: Can't find gpg passphrase in $conf">&2
		exit 1
	}
	gpfile=${gpfile:-".gpg"}
fi


debug=${debug:-""}
verbose=${verbose:-""}
[ -z "$hostid" ]&& { echo "$syntax" >&2;exit 1;}
rpsaconf=${rpsaconf:-"/etc/psa/psa.conf"}
lpsaconf=/tmp/psaconf.$$

# fetch remote psa config file
[ $verbose ] && echo "$cmd: fetching remote psa configuration"
ssh $hostid "cat $rpsaconf" > $lpsaconf

DUMP_D=`awk <$lpsaconf '/^DUMP_D/{print $2}'`
PRODUCT_ROOT_D=`awk <$lpsaconf '/^PRODUCT_ROOT_D/{print $2}'` #plesk root
pleskbackup=${PRODUCT_ROOT_D}/bin/pleskbackup
td=`date +%y%m%d`
arc=${cmd}${td}.tar
arcz=${arc}.gz
[ "$encrypt" = "gpg" ] && arcg=${arcz}.gpg
log=${log:-""}
oldarc=${cmd}`date +%y%m%d -d "3 days ago"`.tar.gz
[ -n "$encrypt" ] && oldarc=$oldarc.$encrypt #make a resonable guess that
					     # old archives were encrypted too.
oldest=/tmp/oldest$$
rcpt=${rcpt:-"fulford@citylinux.com"}
tag="$cmd-$hostid"
[ $testmode ] && rem="#"
type=${type:-"server"}

_end () {
	e_val=$1
	read msg
	[ $log ] && logger -t $tag "$msg"
	mailx -s "$cmd on $hostid - $msg" $rcpt </dev/null
	exit $e_val
}

msg="backup started"
[ $verbose ] && echo "$cmd: $msg"
[ $log ]&& logger -t "$tag" "$msg"

# Clear out existing. pleskbackup retains large date stamped 
# intermediate backups.

if [ `ssh $hostid "cd $DUMP_D &&{
	sudo rm -r archives backup_* clients domains migration.log mysql.daily*  2>/dev/null;ls |sed -e '/'$ignore'/d'|wc -l
	}" ` -eq 0 ]
then
	[ $verbose ] && echo "$cmd: $hostid repository cleared"
	if [ $testmode ];then
		ar=0
		ssh $hostid "cd $DUMP_D;sudo cp /etc/group $arc"
	else
		stime=`date "+%H:%M"`
		ssh $hostid "cd $DUMP_D &&{
		    [ $verbose ]&& echo \"$cmd: pleskbackup started $stime\" 
		    [ $verbose ]&& option=\"-v\"
		    sudo $pleskbackup $type $option --output-file=$arc
		    ar=$?
		   }
		"
	fi
else
	msg="Unexpected items in bagging area"
	[ $verbose ]&& echo "$cmd: $msg" >&2
	echo "failed. $msg"|_end 
fi

if [ "$ar" -gt 0 ];then
	msg="failed to create $arc"
        [ $verbose ] && echo "$cmd: $msg" >&2
	echo "$msg"| _end 1
else
	ssh $hostid "cd $DUMP_D; sudo gzip $arc"
	if ssh $hostid "[ -f $DUMP_D/$arcz ]";then
	       	msg="creation of $arcz completed"
		if [ "$encrypt" = "gpg" ];then
		   echo $gpass |
		   ssh $hostid "cd $DUMP_D;sudo dd of=.gpg 2>/dev/null
		     sudo $encrypt -c --batch --passphrase-file .gpg $arcz 2>/dev/null &&
			sudo rm $arcz  .gpg
		   "
		fi
	else
		msg="creation of $arcz failed">&2
		echo "$msg"| _end 1
	fi
	# create lftp bookpoints file
	bookpoints="/root/.lftp/bookmarks"
	echo "plbkup ftp://kab222793:icnoway24sit@backupserver.info"|(ssh $hostid "sudo dd of=$bookpoints") 2>/dev/null
	[ $testmode ] && msg="test creation of $arcz completed"
	[ $verbose ] && echo "$cmd: $msg"
	[ $debug ] && ftpdebug="debug"
	ssh $hostid "cd $DUMP_D && 
		# "plbkup" is the lftp bookmark
		sudo lftp <<- .
		$ftpdebug 
		set ftp:ssl-allow true
		open plbkup
		${rem}put -E ${arcg:=$arcz}
		bye
	.
	"
	#lftp put -E removes source file if transfer successful
	if ssh $hostid "[ -f $DUMP_D/${arcg:=$arcz} ]";then
		msg="transfer of $arc\ failed."
		echo $msg|_end 1
	else
		msg="transfer of $arcz completed"
		[ $verbose ] && echo "$cmd: $msg"
		# so remove old archive
		ssh $hostid "cd $DUMP_D &&
				sudo lftp <<- .
					$ftpdebug
					open plbkup
					ls
					bye
				.
		"|awk 'NR == 1{print $9}'>$oldest
		oldarc=$(<$oldest)
		ssh $hostid "
			sudo lftp <<- .
				$ftpdebug
				open plbkup
				$rem rm $oldarc
				bye
			.
			sudo rm $bookpoints
		"
	fi
	rm $lpsaconf $oldest
	echo $msg|_end 0
fi
######################################################################
# This program is free software: you can redistribute it and or      #
# modify it under the terms of the Lesser GNU General Public License #
# as published by the Free Software Foundation, either version 3 of  #
# the License, or (at your option) any later version.                #
#                                                                    #
# 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.  See the      #
# GNU General Public License for more details.                       #
#                                                                    # 
# A copy of the Lesser GNU General Public License and the GNU        #
# General Public License is available at                             #
# <http://www.gnu.org/licenses/>.                                    #
######################################################################