#!/bin/bash

# BEGIN_ICS_COPYRIGHT8 ****************************************

# 

# Copyright (c) 2015, Intel Corporation

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# 

#     * Redistributions of source code must retain the above copyright notice,

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# END_ICS_COPYRIGHT8   ****************************************

# [ICS VERSION STRING: unknown]

# Analyze chassis 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: opachassisanalysis [-b|-e] [-s] [-d dir] [-F chassisfile] [-H 'chassis']" >&2

	echo "              or" >&2

	echo "       opachassisanalysis --help" >&2

	echo "Check configuration and health for the Intel Omni-Path Fabric Chassis" >&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 "   -F chassisfile - file with chassis in cluster" >&2

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

	echo "   -H chassis - list of chassis to analyze" >&2

	echo " Environment:" >&2

	echo "   CHASSIS - list of chassis, used if -F and -H options not supplied" >&2

	echo "   CHASSIS_FILE - file containing list of chassis, used if -F and -H options">&2

	echo "                   not supplied" >&2

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

	echo "   FF_CHASSIS_CMDS - list of commands to issue during analysis," >&2

	echo "                      unused if -e option supplied" >&2

	echo "   FF_CHASSIS_HEALTH - single command to issue to check overall health during">&2

	echo "                        analysis, unused if -b option supplied" >&2

	echo "for example:" >&2

	echo "   opachassisanalysis" >&2

	exit 0

}

Usage()

{

	echo "Usage: opachassisanalysis [-b|-e] [-s] [-F chassisfile]" >&2

	echo "              or" >&2

	echo "       opachassisanalysis --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 "   -F chassisfile - file with chassis in cluster" >&2

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

	echo "for example:" >&2

	echo "   opachassisanalysis" >&2

	exit 2

}

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

then

	Usage_full

fi

getbaseline=n

healthonly=n

savehistory=n

status=ok

while getopts besd:H:F: param

do

	case $param in

	b)	getbaseline=y;;

	e)	healthonly=y;;

	s)	savehistory=y;;

	d)	export FF_ANALYSIS_DIR="$OPTARG";;

	H)	export CHASSIS="$OPTARG";;

	F)	export 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_chassis_args opachassisanalysis

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

# 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 "opachassisanalysis: Failure information saved to: $failures_dir/" >&2

	fi

}

baseline=$baseline_dir/chassis

latest=$latest_dir/chassis

# 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_CHASSIS_CMDS

		do

			if [ ! -f $baseline.$cmd ]

			then

				echo "opachassisanalysis: 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

		rm -rf $latest.*

		for cmd in $FF_CHASSIS_CMDS

		do

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

			if [ $? != 0 ]

			then

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

				status=bad

				break

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

			then

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

				continue

			fi

		done

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

		then

			continue

		fi

		if [[ $getbaseline == y ]]

		then

			mkdir -p $baseline_dir

			rm -rf $baseline.*

			for cmd in $FF_CHASSIS_CMDS

			do

				cp $latest.$cmd $baseline_dir

			done

		fi

	fi

	if [[ $getbaseline == n ]]

	then

		# check chassis health/running

		mkdir -p $latest_dir

		/usr/sbin/opacmdall -C "$FF_CHASSIS_HEALTH" > $latest.$FF_CHASSIS_HEALTH 2>&1

		if [ $? != 0 ]

		then

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

			status=bad

			save_failures $latest.$FF_CHASSIS_HEALTH

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

		then

			echo "opachassisanalysis: Error: Chassis error. See $latest.$FF_CHASSIS_HEALTH" >&2

			status=bad

			save_failures $latest.$FF_CHASSIS_HEALTH

		fi

	fi

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

	then

		# compare to baseline

		for cmd in $FF_CHASSIS_CMDS

		do

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

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

			then

				echo "opachassisanalysis: Chassis configuration changed.  See $latest.$cmd.diff" >&2

				status=bad

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

			else

				rm -f $latest.$cmd.diff

			fi

		done

	fi

done

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

then

	if [[ $healthonly == n ]]

	then

		echo "opachassisanalysis: Possible Chassis errors or changes found" >&2

	else

		echo "opachassisanalysis: Possible Chassis errors found" >&2

	fi

	exit 1

else

	if [[ $getbaseline == n  ]]

	then

		echo "opachassisanalysis: Chassis OK"

	else

		echo "opachassisanalysis: Baselined"

	fi

	exit 0

fi