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#!/bin/sh
#
# latigid010@yahoo.com
# 01/06/2000
#
# This Nagios plugin was created to check Oracle status
#
PROGNAME=`basename $0`
PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
REVISION=`echo '$Revision$' | sed -e 's/[^0-9.]//g'`
. $PROGPATH/utils.sh
print_usage() {
echo "Usage:"
echo " $PROGNAME --tns <Oracle Sid or Hostname/IP address>"
echo " $PROGNAME --db <ORACLE_SID>"
echo " $PROGNAME --login <ORACLE_SID>"
echo " $PROGNAME --cache <ORACLE_SID> <USER> <PASS> <CRITICAL> <WARNING>"
echo " $PROGNAME --tablespace <ORACLE_SID> <USER> <PASS> <TABLESPACE> <CRITICAL> <WARNING>"
echo " $PROGNAME --oranames <Hostname>"
echo " $PROGNAME --help"
echo " $PROGNAME --version"
}
print_help() {
print_revision $PROGNAME $REVISION
echo ""
print_usage
echo ""
echo "Check Oracle status"
echo ""
echo "--tns SID/IP Address"
echo " Check remote TNS server"
echo "--db SID"
echo " Check local database (search /bin/ps for PMON process) and check"
echo " filesystem for sgadefORACLE_SID.dbf"
echo "--login SID"
echo " Attempt a dummy login and alert if not ORA-01017: invalid username/password"
echo "--cache"
echo " Check local database for library and buffer cache hit ratios"
echo " ---> Requires Oracle user/password and SID specified."
echo " ---> Requires select on v_$sysstat and v_$librarycache"
echo "--tablespace"
echo " Check local database for tablespace capacity in ORACLE_SID"
echo " ---> Requires Oracle user/password specified."
echo " ---> Requires select on dba_data_files and dba_free_space"
echo "--oranames Hostname"
echo " Check remote Oracle Names server"
echo "--help"
echo " Print this help screen"
echo "--version"
echo " Print version and license information"
echo ""
echo "If the plugin doesn't work, check that the ORACLE_HOME environment"
echo "variable is set, that ORACLE_HOME/bin is in your PATH, and the"
echo "tnsnames.ora file is locatable and is properly configured."
echo ""
echo "When checking local database status your ORACLE_SID is case sensitive."
echo ""
echo "If you want to use a default Oracle home, add in your oratab file:"
echo "*:/opt/app/oracle/product/7.3.4:N"
echo ""
support
}
case "$1" in
1)
cmd='--tns'
;;
2)
cmd='--db'
;;
*)
cmd="$1"
;;
esac
# Information options
case "$cmd" in
--help)
print_help
exit $STATE_OK
;;
-h)
print_help
exit $STATE_OK
;;
--version)
print_revision $PLUGIN $REVISION
exit $STATE_OK
;;
-V)
print_revision $PLUGIN $REVISION
exit $STATE_OK
;;
esac
# Hunt down a reasonable ORACLE_HOME
if [ -z "$ORACLE_HOME" ] ; then
# Adjust to taste
for oratab in /var/opt/oracle/oratab /etc/oratab
do
[ ! -f $oratab ] && continue
ORACLE_HOME=`IFS=:
while read SID ORACLE_HOME junk;
do
if [ "$SID" = "$2" -o "$SID" = "*" ] ; then
echo $ORACLE_HOME;
exit;
fi;
done < $oratab`
[ -n "$ORACLE_HOME" ] && break
done
fi
# Last resort
[ -z "$ORACLE_HOME" -a -d $PROGPATH/oracle ] && ORACLE_HOME=$PROGPATH/oracle
if [ "$cmd" != "--db" ]; then
if [ -z "$ORACLE_HOME" -o ! -d "$ORACLE_HOME" ] ; then
echo "Cannot determine ORACLE_HOME for sid $2"
exit $STATE_UNKNOWN
fi
fi
PATH=$PATH:$ORACLE_HOME/bin
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib
export ORACLE_HOME PATH LD_LIBRARY_PATH
case "$cmd" in
--tns)
tnschk=` tnsping $2`
tnschk2=` echo $tnschk | grep -c OK`
if [ ${tnschk2} -eq 1 ] ; then
tnschk3=` echo $tnschk | sed -e 's/.*(//' -e 's/).*//'`
echo "OK - reply time ${tnschk3} from $2"
exit $STATE_OK
else
echo "No TNS Listener on $2"
exit $STATE_CRITICAL
fi
;;
--oranames)
namesctl status $2 | awk '
/Server has been running for:/ {
msg = "OK: Up"
for (i = 6; i <= NF; i++) {
msg = msg " " $i
}
status = '$STATE_OK'
}
/error/ {
msg = "CRITICAL: " $0
status = '$STATE_CRITICAL'
}
END {
print msg
exit status
}'
;;
--db)
pmonchk=`ps -ef | grep -v grep | grep -c "ora_pmon_${2}$"`
if [ ${pmonchk} -ge 1 ] ; then
echo "${2} OK - ${pmonchk} PMON process(es) running"
exit $STATE_OK
#if [ -f $ORACLE_HOME/dbs/sga*${2}* ] ; then
#if [ ${pmonchk} -eq 1 ] ; then
#utime=`ls -la $ORACLE_HOME/dbs/sga*$2* | cut -c 43-55`
#echo "${2} OK - running since ${utime}"
#exit $STATE_OK
#fi
else
echo "${2} Database is DOWN"
exit $STATE_CRITICAL
fi
;;
--login)
loginchk=`sqlplus dummy/user@$2 < /dev/null`
loginchk2=` echo $loginchk | grep -c ORA-01017`
if [ ${loginchk2} -eq 1 ] ; then
echo "OK - dummy login connected"
exit $STATE_OK
else
loginchk3=` echo "$loginchk" | grep "ORA-" | head -1`
echo "CRITICAL - $loginchk3"
exit $STATE_CRITICAL
fi
;;
--cache)
if [ ${5} -gt ${6} ] ; then
echo "UNKNOWN - Warning level is less then Crit"
exit $STATE_UNKNOWN
fi
result=`sqlplus -s ${3}/${4}@${2} << EOF
set pagesize 0
set numf '9999999.99'
select (1-(pr.value/(dbg.value+cg.value)))*100
from v\\$sysstat pr, v\\$sysstat dbg, v\\$sysstat cg
where pr.name='physical reads'
and dbg.name='db block gets'
and cg.name='consistent gets';
EOF`
if [ -n "`echo $result | grep ORA-`" ] ; then
error=` echo "$result" | grep "ORA-" | head -1`
echo "CRITICAL - $error"
exit $STATE_CRITICAL
fi
buf_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
buf_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
result=`sqlplus -s ${3}/${4}@${2} << EOF
set pagesize 0
set numf '9999999.99'
select sum(lc.pins)/(sum(lc.pins)+sum(lc.reloads))*100
from v\\$librarycache lc;
EOF`
if [ -n "`echo $result | grep ORA-`" ] ; then
error=` echo "$result" | grep "ORA-" | head -1`
echo "CRITICAL - $error"
exit $STATE_CRITICAL
fi
lib_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
lib_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
if [ $buf_hr -le ${5} -o $lib_hr -le ${5} ] ; then
echo "${2} CRITICAL - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
exit $STATE_CRITICAL
fi
if [ $buf_hr -le ${6} -o $lib_hr -le ${6} ] ; then
echo "${2} WARNING - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
exit $STATE_WARNING
fi
echo "${2} OK - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
exit $STATE_OK
;;
--tablespace)
if [ ${6} -lt ${7} ] ; then
echo "UNKNOWN - Warning level is more then Crit"
exit $STATE_UNKNOWN
fi
result=`sqlplus -s ${3}/${4}@${2} << EOF
set pagesize 0
set numf '9999999.99'
select NVL(b.free,0.0),a.total,100 - trunc(NVL(b.free,0.0)/a.total * 1000) / 10 prc
from (
select tablespace_name,sum(bytes)/1024/1024 total
from dba_data_files group by tablespace_name) A
LEFT OUTER JOIN
( select tablespace_name,sum(bytes)/1024/1024 free
from dba_free_space group by tablespace_name) B
ON a.tablespace_name=b.tablespace_name WHERE a.tablespace_name='${5}';
EOF`
if [ -n "`echo $result | grep ORA-`" ] ; then
error=` echo "$result" | grep "ORA-" | head -1`
echo "CRITICAL - $error"
exit $STATE_CRITICAL
fi
ts_free=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}'`
ts_total=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($2)}'`
ts_pct=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($3)}'`
ts_pctx=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print $3}'`
if [ "$ts_free" -eq 0 -a "$ts_total" -eq 0 -a "$ts_pct" -eq 0 ] ; then
echo "No data returned by Oracle - tablespace $5 not found?"
exit $STATE_UNKNOWN
fi
if [ "$ts_pct" -ge ${6} ] ; then
echo "${2} : ${5} CRITICAL - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
exit $STATE_CRITICAL
fi
if [ "$ts_pct" -ge ${7} ] ; then
echo "${2} : ${5} WARNING - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
exit $STATE_WARNING
fi
echo "${2} : ${5} OK - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
exit $STATE_OK
;;
*)
print_usage
exit $STATE_UNKNOWN
esac
|