QueryFilersIn

#!/bin/ksh
#
#
#This script is to query filers in a DC
#The variable FILERS must be initialized, if not, it will source it
#A few commands are not permitted to run...
#
#  Developer: Geri
#Last change: 06/06/2013

#color setting
BOLD="\033[1m"
NORM="\033[0m"
YELLOW_F="\033[33m"
RED_F="\033[31m"
MAGENTA_F="\033[35m"
CYAN_F="\033[36m"
BLUE_F="\033[34m"

MYNAME=QueryFilersIn
VERSION="1.0"

Usage ()
{
	echo   "${BOLD}Synopsis:$NORM"
	printf "   This script runs the given command against all the filers in a DataCenter\n"
	echo
	echo "${BOLD}Usage:"
	echo "   $MYNAME DataCenter \"query\" [\"grep string\"] [-d]$NORM"
	echo
	printf "   The DataCenter could be a regular expression, for example \"atl|mia\"\n"
	printf "   If the command you want to run has switch, put it into quotation mark: \"df -Ag\"\n"
	printf "   If you want to grep something, put it as the third parameter, it is optional\n\n"
	printf "   ${BOLD}-d$NORM Optional switch if you want a devider line between the filers\n\n"
	printf "${BOLD}Examples:${NORM}\n"
	printf "   ${BOLD}${BLUE_F}$MYNAME \"brn|gen\" \"df -Ag\" \"-v snap\" -d${NORM}\n"
	printf "\t   Queries all the filers in Bern and Geneva about the aggregate usage, exclude the snapshots\n"
	printf "   ${BOLD}${BLUE_F}$MYNAME atl \"ifconifg -a\"${NORM}\n"
	printf "\t   Runs \"ifconfig -a\" in all filers in Atlanta\n\n"
    	
}

if [[ $# -lt 2 || $1 == "-?" || $1 == "-h" ]]; then Usage; exit; fi

if [ -z $FILERS ]; then
	echo "FILERS are not initialized, running . /opt/CITCOSan/Drivers/Driver_init"
	. /opt/CITCOSan/Drivers/Driver_init
fi

DataCenter=$1
shift
Query=$1
TestQuery=`echo $Query | awk '{print $1}'`
if [[ $TestQuery == "halt" || $TestQuery == "reboot" || $Query == "cifs terminate" || $Query == "nfs off" || $Query == "snapmirror off" ]]; then
	echo "${BOD}${MAGENTA_F}Are you kidding me????${NORM}"
	echo "This commands are not allowed:"
	echo "halt"
	echo "reboot"
	echo "cifs terminate"
	echo "nfs off"
	echo "snapmirror off"
	exit 1
fi
shift
while [ ! -z $1 ]; do
	case $1 in
		-d)	Devider=yes;;
		*)	GrepString=$1
#			GrepStTest=`echo GrepStringTmp | sed 's/\(.\)\(..*\)/\1/'`
#			if [[ $GrepStTest == "-" ]]; then
#				GrepStrin=`echo GrepStringTmp | awk '{print $1}'`
#				GrepSwitch=`echo GrepStringTmp | sed 's/\(..* \)\(..*\)/\2/'`
#			fi
		
		;;
	esac
	shift
done


echo DC=$DataCenter Query_to_run=$Query Devider=$Devider Grep=$GrepString
echo

if [[ ! -z $Devider ]]; then
	Devider="\n*************************************************************\n\n"
else
	Devider="\n\n"
fi

QueryFilers=`for j in $FILERS; do echo $j; done|egrep "$DataCenter"`
if [ -z $QueryFilers ]; then
	echo "Wrong site name: $DataCenter"
else
	for filer in $QueryFilers; do 
		if [ -z $filer ]; then
			echo "Wrong site name: $DataCenter"
		else
			echo $filer
		fi
		if [ -z $GrepString ]; then
			ssh $filer $Query
		else
			ssh $filer $Query | egrep $GrepSwitch "$GrepString"
		fi	
		printf "$Devider"
	done
fi