#!/bin/sh
#
#-*- mode: Fundamental; tab-width: 4; -*-
# ex:ts=4
#  check_oracle_cluster  -- Nagios Plugins for Oracle Cluster
#  Copyright (c) 2008 UNIFESP - Ricardo Alves dos Reis <ricardo.areis@gmail.com>
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
#  THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
#  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
#  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
#  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
#  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#  SUCH DAMAGE.

PROGNAME=$(basename $0)
PROGPATH=$(echo $0 | /bin/sed -e 's,[\\/][^\\/][^\\/]*$,,')
CRSSTAT_PATH="/usr/bin/sudo /app/crs/oracle/product/10.2.0/crs/bin/crsstat"
EGREP_PATH=`which egrep`
CUT_PATH=`which cut`
TR_PATH=`which tr`

EXIT_ERROR="1"
EXIT_OK="0"
EXIT_USAGE="64"
LOCAL_VERSION="0.80"


. $PROGPATH/utils.sh
exitstatus=$STATE_WARNING #default

help()
{
cat<<EOF
`basename $0` Version $LOCAL_VERSION
	
usage: `basename $0` -n [options]

Global Options:
 -n -- node

Options:
 -a	--	ASM
 -l	--	LISTENER	
 -g	--	GSD
 -o	--	ONS
 -v	--	VIP

Ex.

`basename $0` -n dbunifesp1 -a

EOF
exit $EXIT_USAGE
}

command()
{
TYPE_OF_STATUS="$1";shift
SERVICE="$1";shift
NODE="$1"
if    [ $TYPE_OF_STATUS = "s" ];then
    SERVICE_STATUS=$( $CRSSTAT_PATH 2>&1 |awk '$0 ~ /'${SERVICE}'/ && $5 ~ /'${NODE}'/ { print $2 }' )
elif  [ $TYPE_OF_STATUS = "i" ];then       
    INSTANCE_STATUS=$( $CRSSTAT_PATH 2>&1 |awk '$0 ~ /'${SERVICE}'/ && $5 ~ /'${NODE}'/ { print $3 }' )
else  
    echo "UNKNOW TYPE"    
fi    
}

check()
{
SERVICE="$1";shift
SERVICE_STATUS="$1";shift        
INSTANCE_STATUS="$1"

if [ "$SERVICE_STATUS" = "ONLINE" -a "$INSTANCE_STATUS" = "ONLINE" ];then
	echo "ORACLE_CLUSTER_${SERVICE} OK: 0 problem(s)"
	exit $STATE_OK
elif [ "$SERVICE_STATUS" = "ONLINE" -a "$INSTANCE_STATUS" = "OFFLINE" ];then
	echo "ORACLE_CLUSTER_${SERVICE} CRITICAL: Instance FAILED"
	exit $STATE_CRITICAL
elif [ "$SERVICE_STATUS" = "OFFLINE" ];then
	echo "ORACLE_CLUSTER_${SERVICE} CRITICAL: Service FAILED"
	exit $STATE_CRITICAL
else
	echo "ORACLE_CLUSTER_${SERVICE} WARNING: UNKNOW problem(s)"
	exit $STATE_WARNING
fi
}

init()
{
NODE="$1";shift
OPTIONS="$1"

if   [ "$OPTIONS" = "-a" ];then
    SERVICE="asm"    
    command s $SERVICE $NODE
    command i $SERVICE $NODE
    check $SERVICE $SERVICE_STATUS $INSTANCE_STATUS
elif [ "$OPTIONS" = "-l" ];then
    SERVICE="lsnr"    
    command s $SERVICE $NODE
    command i $SERVICE $NODE
    check $SERVICE $SERVICE_STATUS $INSTANCE_STATUS
elif [ "$OPTIONS" = "-g" ];then
    SERVICE="gsd"    
    command s $SERVICE $NODE
    command i $SERVICE $NODE
    check $SERVICE $SERVICE_STATUS $INSTANCE_STATUS
elif [ "$OPTIONS" = "-o" ];then
    SERVICE="ons"    
    command s $SERVICE $NODE
    command i $SERVICE $NODE
    check $SERVICE $SERVICE_STATUS $INSTANCE_STATUS
elif [ "$OPTIONS" = "-v" ];then
    SERVICE="vip"    
    command s $SERVICE $NODE
    command i $SERVICE $NODE
    check $SERVICE $SERVICE_STATUS $INSTANCE_STATUS
fi
}

if [ $# -eq 0 ];then
        help
fi

while getopts "halgovn:" OPT ;do
    if [ "$OPT" = "n" ];then
            case "$3" in
                    "-a")
                                init $OPTARG $3
                                shift;;
                    "-l")
                                init $OPTARG $3
                                shift;;
                    "-g")
                                init $OPTARG $3
                                shift;;
                    "-o")
                                init $OPTARG $3
                                shift;;
                    "-v")
                                init $OPTARG $3
                                shift;;
                    *)
                        help
                        exit 2
            esac
    fi       
done