#!/bin/bash

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# Copyright (c) 2015, Intel Corporation

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# [ICS VERSION STRING: unknown]

# Analyze Embedded SMs for errors and/or changes relative to baseline

# optional override of defaults

if [ -f /etc/opa/opafastfabric.conf ]

then

	. /etc/opa/opafastfabric.conf

fi

. /usr/lib/opa/tools/opafastfabric.conf.def

. /usr/lib/opa/tools/ff_funcs

trap "exit 1" SIGHUP SIGTERM SIGINT

Usage_full()

{

	echo "Usage: opaesmanalysis [-b|-e] [-s] [-d dir] [-G esmchassisfile]" >&2

	echo "                         [-E 'esmchassis']" >&2

	echo "              or" >&2

	echo "       opaesmanalysis --help" >&2

	echo "   --help - produce full help text" >&2

	echo "   -b - baseline mode, default is compare/check mode" >&2

	echo "   -e - evaluate health only, default is compare/check mode" >&2

	echo "   -s - save history of failures (errors/differences)" >&2

	echo "   -d dir - top level directory for saving baseline and history of failed checks" >&2

	echo "           default is /var/usr/lib/opa/analysis" >&2

	echo "   -G esmchassisfile - file with SM chassis in cluster" >&2

	echo "           default is $CONFIG_DIR/opa/esm_chassis" >&2

	echo "   -E esmchassis - list of SM chassis to analyze" >&2

	echo " Environment:" >&2

	echo "   ESM_CHASSIS - list of SM chassis, used if -G and -E not supplied" >&2

	echo "   ESM_CHASSIS_FILE - file containing list of SM chassis, used if -G and -E not" >&2

	echo "           supplied" >&2

	echo "   FF_ANALYSIS_DIR - top level directory for baselines and failed health checks" >&2

	echo "for example:" >&2

	echo "   opaesmanalysis" >&2

	exit 0

}

Usage()

{

	echo "Usage: opaesmanalysis [-b|-e] [-s] [-G esmchassisfile]" >&2

	echo "              or" >&2

	echo "       opaesmanalysis --help" >&2

	echo "   --help - produce full help text" >&2

	echo "   -b - baseline mode, default is compare/check mode" >&2

	echo "   -e - evaluate health only, default is compare/check mode" >&2

	echo "   -s - save history of failures (errors/differences)" >&2

	echo "   -G esmchassisfile - file with SM chassis in cluster" >&2

	echo "           default is $CONFIG_DIR/opa/esm_chassis" >&2

	echo "for example:" >&2

	echo "   opaesmanalysis" >&2

	exit 2

}

if [ x"$1" = "x--help" ]

then

	Usage_full

fi

getbaseline=n

healthonly=n

savehistory=n

status=ok

while getopts besd:E:G: param

do

	case $param in

	b)	getbaseline=y;;

	e)	healthonly=y;;

	s)	savehistory=y;;

	d)	export FF_ANALYSIS_DIR="$OPTARG";;

	E)	export ESM_CHASSIS="$OPTARG";;

	G)	export ESM_CHASSIS_FILE="$OPTARG";;

	?)	Usage;;

	esac

done

shift $((OPTIND -1))

if [ $# -ge 1 ]

then

	Usage

fi

if [ "$getbaseline" = y -a "$healthonly" = y ]

then

	Usage

fi

check_esm_chassis_args opaesmanalysis

#-----------------------------------------------------------------

# Set up file paths

#-----------------------------------------------------------------

baseline_dir="$FF_ANALYSIS_DIR/baseline"

latest_dir="$FF_ANALYSIS_DIR/latest"

export FF_CURTIME="${FF_CURTIME:-`date +%Y-%m-%d-%H:%M:%S`}"

failures_dir="$FF_ANALYSIS_DIR/$FF_CURTIME"

#-----------------------------------------------------------------

save_failures()

{

	if [ "$savehistory" = y ]

	then

		mkdir -p $failures_dir

		cp $* $failures_dir

		echo "opaesmanalysis: Failure information saved to: $failures_dir/" >&2

	fi

}

baseline=$baseline_dir/esm

latest=$latest_dir/esm

# fake loop so we can use break/continue to skip to end of script

for loop in 1

do

	if [[ $getbaseline == n  && $healthonly == n ]]

	then

		for cmd in $FF_ESM_CMDS

		do

			if [ ! -f $baseline.$cmd ]

			then

				echo "opaesmanalysis: Error: Previous baseline run required" >&2

				status=bad

				break

			fi

		done

		for chassis in $ESM_CHASSIS

		do

			chassis=`strip_chassis_slots "$chassis"`

			if [ ! -f $baseline.$chassis.smConfig ]

			then

				echo "opaesmanalysis: Error: Previous baseline run required" >&2

				status=bad

				break

			fi

		done

		if [ "$status" != "ok" ]

		then

			continue

		fi

	fi

	if [[ $healthonly == n ]]

	then

		# get a new snapshot

		mkdir -p $latest_dir

		# cleanup old snapshot

		rm -rf $latest.* test.log test.res test_tmp* save_tmp temp

		for cmd in $FF_ESM_CMDS

		do

			if [ "$cmd" == "smConfig" ]

			then

				/usr/sbin/opacmdall -C -H "$ESM_CHASSIS" "smConfig query" > $latest.$cmd 2>&1

			else

				/usr/sbin/opacmdall -C -H "$ESM_CHASSIS" $cmd > $latest.$cmd 2>&1

			fi

			if [ $? != 0 ]

			then

				echo "opaesmanalysis: Error: Unable to issue chassis command. See $latest.$cmd" >&2

				status=bad

				break

			elif grep FAILED < $latest.$cmd > /dev/null

			then

				echo "opaesmanalysis: Warning: $cmd command failed for 1 or more chassis. See $latest.$cmd" >&2

				continue

			fi

		done

		for chassis in $ESM_CHASSIS

		do

			chassis=`strip_chassis_slots "$chassis"`

			/usr/sbin/opacmdall -C -H "$chassis" "showCapability -key smConfig" > $latest.$chassis.smConfig 2>&1

			if [ $? != 0 ]

			then

				echo "opaesmanalysis: Error: Unable to issue chassis command. See $latest.$chassis.smConfig" >&2

				status=bad

			elif ! egrep 'FAILED|unavailable' < $latest.$chassis.smConfig >/dev/null

			then

				# supports XML config for esm

				(

				cd $latest_dir

				mkdir temp

				rm -rf test.log test.res test_tmp* save_tmp

				export FF_RESULT_DIR=.

				/usr/sbin/opachassisadmin -H "$chassis" -d $latest_dir/temp fmgetconfig > $latest.$chassis.fmgetconfig 2>&1

				if [ $? != 0 ] || grep FAILED < test.res >/dev/null

				then

					cat test.log >> $latest.$chassis.fmgetconfig 2>/dev/null

					echo "opaesmanalysis: Error: Unable to get FM config file. See $latest.$chassis.fmgetconfig"

					status=bad

				else

					mv $latest_dir/temp/$chassis/opafm.xml $latest.$chassis.opafm.xml

				fi

				rm -rf test.log test.res test_tmp* save_tmp temp

				)

			fi

		done

		if [ "$status" != "ok" ]

		then

			continue

		fi

		if [[ $getbaseline == y ]]

		then

			mkdir -p $baseline_dir

			rm -rf $baseline.*

			for cmd in $FF_ESM_CMDS

			do

				cp $latest.$cmd $baseline_dir

			done

			for chassis in $ESM_CHASSIS

			do

				chassis=`strip_chassis_slots "$chassis"`

				cp $latest.$chassis.smConfig $baseline_dir

				[ -e $latest.$chassis.fmgetconfig ] && cp $latest.$chassis.fmgetconfig $baseline_dir

				[ -e $latest.$chassis.opafm.xml ] && cp $latest.$chassis.opafm.xml $baseline_dir

			done

		fi

	fi

	if [[ $getbaseline == n ]]

	then

		# check SM health/running

		mkdir -p $latest_dir

		/usr/sbin/opacmdall -C -H "$ESM_CHASSIS" 'smControl status' > $latest.smstatus 2>&1

		if [ $? != 0 ]

		then

			echo "opaesmanalysis: Error: Unable to issue chassis command. See $latest.smstatus" >&2

			status=bad

			save_failures $latest.smstatus

		elif grep stopped < $latest.smstatus > /dev/null

		then

			echo "opaesmanalysis: Error: SM(s) not running. See $latest.smstatus" >&2

			status=bad

			save_failures $latest.smstatus

		fi

	fi

	if [[ $getbaseline == n  && $healthonly == n ]]

	then

		# compare to baseline

		for cmd in $FF_ESM_CMDS

		do

			$FF_DIFF_CMD $baseline.$cmd $latest.$cmd > $latest.$cmd.diff 2>&1

			if [ -s $latest.$cmd.diff ]

			then

				echo "opaesmanalysis: SM configuration changed.  See $latest.$cmd.diff" >&2

				status=bad

				save_failures $latest.$cmd $latest.$cmd.diff

			else

				rm -f $latest.$cmd.diff

			fi

		done

		for chassis in $ESM_CHASSIS

		do

			chassis=`strip_chassis_slots "$chassis"`

			if [ -f $latest.$chassis.opafm.xml -o -f $baseline.$chassis.opafm.xml ]

			then

				$FF_DIFF_CMD $baseline.$chassis.opafm.xml $latest.$chassis.opafm.xml > $latest.$chassis.opafm.xml.diff 2>&1

				if [ -s $latest.$chassis.opafm.xml.diff ]

				then

					echo "opaesmanalysis: SM configuration changed.  See $latest.$chassis.opafm.xml.diff" >&2

					status=bad

					save_failures $latest.$chassis.opafm.xml $latest.$chassis.opafm.xml.diff

				else

					rm -f $latest.$chassis.opafm.xml.diff

				fi

			fi

		done

	fi

done

if [ "$status" != "ok" ]

then

	if [[ $healthonly == n ]]

	then

		echo "opaesmanalysis: Possible SM errors or changes found" >&2

	else

		echo "opaesmanalysis: Possible SM errors found" >&2

	fi

	exit 1

else

	if [[ $getbaseline == n  ]]

	then

		echo "opaesmanalysis: SM(s) OK"

	else

		echo "opaesmanalysis: Baselined"

	fi

	exit 0

fi