#!/usr/bin/ksh93
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
# 61haes_r720 src/43haes/usr/sbin/cluster/sa/printServer/sbin/cl_print_server_systemv_monitor.sh 1.4 
#  
# Licensed Materials - Property of IBM 
#  
# COPYRIGHT International Business Machines Corp. 2010 
# All Rights Reserved 
#  
# US Government Users Restricted Rights - Use, duplication or 
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
#  
# IBM_PROLOG_END_TAG 
# @(#)19	1.4  src/43haes/usr/sbin/cluster/sa/printServer/sbin/cl_print_server_systemv_monitor.sh, hacmp, 61haes_r720, 1522B_hacmp720 5/25/15 19:24:04
###########################################################
#
# Name:         cleanup
#
# Description:  Cleaning up required resources created.
#
# Arguments:    none
#
# Returns:	N/A
#
###########################################################
cleanup()
{
	if [[ $VERBOSE_LOGGING == 'high' ]]
	then
	    PS4_FUNC=cleanup
	    set -x
	fi

	#
        : Cleanup activity
        :       removing print queue
        :       removing the temporary file
        #
        KLIB_SA_logmsg INFO 5 1 print_server_sa.cat "Cleanup activity\n"
        KLIB_SA_logmsg INFO 5 2 print_server_sa.cat "Removing print queue\n"

	sleep 5

        /usr/sbin/lpadmin -x $PRINT_QUEUE >> $LOG_FILE 2>&1
        (( $? != 0 )) && {
                /usr/bin/rm -R /etc/lp/printers/$PRINT_QUEUE
                /usr/bin/rm /etc/lp/interfaces/$PRINT_QUEUE
        }

	KLIB_SA_logmsg INFO 5 3 print_server_sa.cat "Removing temporary file created \
for printing to a file using print queue\n"
	/usr/bin/rm -rf /dev/$TEMP_FILE >> $LOG_FILE 2>&1
}

###########################################################
#
# Name:		systemv_monitor
#
# Description:	Verify the health of SystemV print subsystem
#
# Arguments:	none
#
# Returns:
#		0 on SUCCESS
#		1 on FAILURE
#
###########################################################
systemv_monitor()
{
	if [[ $VERBOSE_LOGGING == 'high' ]]
	then
	    PS4_FUNC=systemv_monitor
	    set -x
	fi

	KLIB_SA_logmsg INFO 5 4 print_server_sa.cat "%1\$s \
print subsystem Health check initiated\n" "System V"
	#
	: printing to a temporary file using SystemV print subsystem
	: for SystemV print subsystem Health check
	#
	KLIB_SA_logmsg INFO 5 5 print_server_sa.cat "Creating a temporary file in /dev directory \
for printing to a file using %1\$s print subsystem\n" "System V"
	touch /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
		#
		: We are unable to create a new file in /dev, this could be because of
		: problems with system but print subsystem might function properly.
		: So just logging a message with returning the value of SUCCESS.
		#
		KLIB_SA_logmsg WARN 5 6 print_server_sa.cat "The file creation failed \
for printing to a file using %1\$s print subsystem\n" "System V"
		KLIB_SA_logmsg WARN 5 7 print_server_sa.cat "The test print to a file \
using print subsystem can't be initiated\n" "System V"
		return 0
	}

	#
	: Provide require permissions to file
	#
	KLIB_SA_logmsg INFO 5 8 print_server_sa.cat "Providing \
required permission to temporary file created\n"
	/usr/bin/chmod 600 /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
		#
		: We are unable to provide required permissions to the file, this
		: could be because of problems with system but print subsystem
		: might function properly.
		: So just logging a message with returning the value of SUCCESS.
		#
                KLIB_SA_logmsg WARN 5 9 print_server_sa.cat "The required permission modification \
to the temporary file failed.\n"
		KLIB_SA_logmsg WARN 5 7 print_server_sa.cat "The test print to a file \
using %1\$s subsystem can't be initiated\n" "System V"

		#
		: Removing the file created for printing
		#
		/usr/bin/rm -rf /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
                return 0
        }

	#
	: Provide required user ownership to file
	#
	KLIB_SA_logmsg INFO 5 16 print_server_sa.cat "Providing \
required user ownership to temporary file created\n"
	/usr/bin/chown lp:lp /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
                #
                : We are unable to modify required ownership to the file, this
                : could be because of problems with system but print subsystem
                : might function properly.
                : So just logging a message with returning the value of SUCCESS.
                #
                KLIB_SA_logmsg WARN 5 17 print_server_sa.cat "The required ownership modification \
to the file failed.\n"
                KLIB_SA_logmsg WARN 5 7 print_server_sa.cat "The test print to a file \
using %1\$s subsystem can't be initiated\n" "System V"

		#
                : Removing the file created for printing
                #
                /usr/bin/rm -rf /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
                return 0
        }
	
	#
	: Create a printer to a file
	#
	KLIB_SA_logmsg INFO 5 10 print_server_sa.cat "Creating \
a %1$s print queue printing to a file\n" "System V"
	/usr/sbin/lpadmin -m standard -T hplaserjet \
-I simple -p $PRINT_QUEUE -v /dev/$TEMP_FILE >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
                #
                : We are unable to create a print queue.
                #
                KLIB_SA_logmsg ERROR 5 11 print_server_sa.cat "The creation of print queue %1\$s \
for %2\$s subsystem failed.\n" "$PRINT_QUEUE" "System V"

		#
                : Removing the file created for printing
                #
                /usr/bin/rm -rf /dev/${TEMP_FILE} >> $LOG_FILE 2>&1
                return 1
        }

	#
	: Accepting print queue
	#
	KLIB_SA_logmsg INFO 5 18 print_server_sa.cat "Accepting print queue %1\$s\n" $PRINT_QUEUE
	/usr/sbin/accept $PRINT_QUEUE >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
		#
		: We are unable to accept print queue
		#
		KLIB_SA_logmsg ERROR 5 19 print_server_sa.cat "The print queue %1\$s accept \
failed\n" $PRINT_QUEUE

		#
		: Cleanup
		#
		cleanup
		return 1
	}

	#
	: Enable print queue
	#
	KLIB_SA_logmsg INFO 5 20 print_server_sa.cat "Enabling print queue %1\$s\n" $PRINT_QUEUE
	/usr/sysv/bin/enable $PRINT_QUEUE >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
		#
		: We are unable to enable the print queue
		#
		KLIB_SA_logmsg ERROR 5 21 print_server_sa.cat "The print queue %1\$s couldn't \
enabled\n" $PRINT_QUEUE

		#
                : Cleanup
                #
                cleanup
		return 1
	}

	#
	: Test print using System V subsystem
	#
	KLIB_SA_logmsg INFO 5 12 print_server_sa.cat "Test print to \
the file using %1\$s print subsystem\n" "System V"
	/usr/sbin/lptest 5 5 | /usr/bin/lp -d $PRINT_QUEUE -L C >> $LOG_FILE 2>&1
	(( $? != 0 )) && {
		#
		: We are unable to initate print using System V subsystem
		#
		KLIB_SA_logmsg ERROR 5 13 print_server_sa.cat "The print request using %1\$s print \
subsystem failed\n" "System V"

		#
                : Cleanup
                #
                cleanup
                return 1
        }
		

	#
	: sleeping here for sometime for the print queue to become empty
	#
	sleep 5

	#
	: Verify the printing is done or not after counting
	: the number of lines in the file
	#
	KLIB_SA_logmsg INFO 5 14 print_server_sa.cat "The number of lines in the temporary file \
should be greater than 0 after print\n"
	NUM_LINES=$(/usr/bin/cat /dev/$TEMP_FILE | LC_ALL=C /usr/bin/wc -l 2>/dev/null)
	NUM_LINES=${NUM_LINES// /}

	#
	: if NUM_LINES is greater than 0
	:	print subsystem is active
	: else
	:	print subsystem is not active
	#
	(( $NUM_LINES > 0 )) && {
		KLIB_SA_logmsg INFO 3 1 print_server_sa.cat "%1\$s \
print subsystem is active\n" "System V"

		#
		: Cleaning up
		#
		cleanup
		return 0
	}

	#
	: If we are here then System V print subsystem is not active
	#
	KLIB_SA_logmsg ERROR 3 2 print_server_sa.cat "%1\$s \
print subsystem is not active\n" "System V"

	#
	: Cleaning up
	#
	cleanup

	return 1
}

###############################################################################
# Main program procedure.
###############################################################################
PROGNAME=$(basename ${0})
PATH="$($(dirname ${0})/../../../utilities/cl_get_path all)"
PATH=$PATH:/usr/bin:/etc:/usr/sbin:/usr/ucb:/sbin
FPATH_BASE=/usr/es/lib/ksh93
FPATH=$FPATH_BASE/hacmp:$FPATH_BASE/sa:$FPATH_BASE/aix:$FPATH_BASE/aix/odm
export PATH FPATH

# We need to set this so that we can gather enough details in
# /var/hacmp/log/clappmond.<INSTANCE_OWNER>.monitor.log for debugging.
export VERBOSE_LOGGING=${VERBOSE_LOGGING:-"high"}

eval export $(cllsparam -n $(clodmget -f nodename HACMPcluster))

if [[ $VERBOSE_LOGGING == 'high' ]]
then
    PS4_TIMER=true
    set -x
    version='1.4'
fi

#
: Load the common variables
#
. /usr/es/sbin/cluster/sa/printServer/sbin/cl_print_server_common_variables

LOG_FILE=$(clodmget -q name=$KLIB_HACMPLOG_ENTRY -f value -d "=" HACMPlogs)
LOG_FILE=${LOG_FILE//\"/}
LOG_FILE="$LOG_FILE/$KLIB_HACMPLOG_ENTRY"

#
: temporary file name and required print queue name
#
TEMP_FILE="temp_systemv_$$"
PRINT_QUEUE="temp_queue_$$"

[[ "$VERBOSE_LOGGING" == "high" ]] && set -x

BASENAME=$(basename $0)

echo "######################################################" >> $LOG_FILE
dspmsg -s 5 print_server_sa.cat 22 "# SYSTEM V PRINT SUBSYSTEM HEALTH MONITOR" >> $LOG_FILE
echo "\n######################################################" >> $LOG_FILE

#
: System V print subsystem health monitoring
#
systemv_monitor

exit $?