#!/bin/bash

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# Copyright (c) 2015-2018, Intel Corporation

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# [ICS VERSION STRING: unknown]

# Usage: opacablehealthcron

# At regular intervals executes cablehealth and saves the data in a file

Usage_full()

{

	echo "Usage: opacablehealthcron" >&2

	echo "       opacablehealthcron --help" >&2

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

	echo "This script will at regular intervals execute opareport -o cablehealth" >&2

	echo "The output of the program is stored in an already specified location" >&2

	echo "It is defined in FF_CABLE_HEALTH_REPORT_DIR of opafastfabric.conf" >&2

}

Usage()

{

	Usage_full

	exit 2

}

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

then

	Usage_full

	exit 0

fi

if [ -f /usr/lib/opa/tools/ff_funcs ]

then

	. /usr/lib/opa/tools/ff_funcs

	ff_available=y

else

	ff_available=n

fi

if [ $ff_available = "y" ]

then

	if [ -f $CONFIG_DIR/opa/opafastfabric.conf  ]

	then

		. $CONFIG_DIR/opa/opafastfabric.conf

	fi

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

fi

# Check if is the master FM

# For nodes with FM running as master, BaseLID and SMLId will be same

# In Multi-rail the SM could be linked to any one of the HFI, PORT combinations

# In Multi-plane master SM for each fabric could be linked to any of the HFI, PORT combinations

if [ "$ff_available" = y ]

then

    check_ports_args opacablehealthcron

else

	PORTS='0:0'

fi

for hfi_port in $PORTS

do

	hfi=$(expr $hfi_port : '\([0-9]*\):[0-9]*')

	port=$(expr $hfi_port : '[0-9]*:\([0-9]*\)')

	if [ "$hfi" = "" -o "$port" = "" ]

	then

		echo "opacablehealthcron: Error: Invalid port specification: $hfi_port" >&2

		continue

	fi

	## fixup name so winzip won't complain

	hfi_port_dir=${hfi}_${port}

	# For nodes with FM running as master, LID and MasterSMLID will be same

	baseLid=`/usr/sbin/opasmaquery -h $hfi -p $port -o portinfo -g 2>/dev/null| sed -ne '/\bLID\b/ s/.*: *//p'`

	smLid=`/usr/sbin/opasmaquery -h $hfi -p $port -o portinfo -g 2>/dev/null| sed -ne '/\bMasterSMLID\b/ s/.*: *//p'`

	#Store HFI of device connected to SM

	if [ "$baseLid" != "$smLid" ]

	then

		continue;

	fi

	echo "Periodic generation of Cable Health Report"

	# create cable health report directory and generate report

	if [ $ff_available = "y" ] && [ -n "${FF_CABLE_HEALTH_REPORT_DIR}" ]

	then

		echo "Gathering Cable Health Report ..."

		# Directory name with HFI and PORT

		FF_CABLE_HEALTH_REPORT_DIR_WITH_HFI_PORT="${FF_CABLE_HEALTH_REPORT_DIR}/${hfi_port_dir}/"

		mkdir -p ${FF_CABLE_HEALTH_REPORT_DIR_WITH_HFI_PORT}

		# Maintain the number of cable health report files at FF_CABLE_HEALTH_MAX_FILES

		if [ -n "${FF_CABLE_HEALTH_MAX_FILES}" ]

		then

			files_in_dir=`ls ${FF_CABLE_HEALTH_REPORT_DIR_WITH_HFI_PORT} | wc -l `

			files_to_delete=`expr $files_in_dir - ${FF_CABLE_HEALTH_MAX_FILES}`

			if [ $files_to_delete -gt 0 ]

			then

				find ${FF_CABLE_HEALTH_REPORT_DIR_WITH_HFI_PORT} -name "cablehealth*" -maxdepth 1 -type f 2>/dev/null | xargs -r ls -1tr | head -n $files_to_delete | xargs -r rm

			fi

		fi

		/usr/sbin/opareport -h $hfi -p $port -o cablehealth 2>/dev/null >${FF_CABLE_HEALTH_REPORT_DIR_WITH_HFI_PORT}/cablehealth$(date "+%Y%m%d%H%M%S").csv

	fi

done

echo "Done."

exit 0