plugins-scripts/check_oracle.sh

   1 #!/bin/sh
   2 #
   3 # latigid010@yahoo.com
   4 # 01/06/2000
   5 #
   6 #  This Nagios plugin was created to check Oracle status
   7 #
   8
   9 PROGNAME=`basename $0`
  10 PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
  11 REVISION=`echo '$Revision$' | sed -e 's/[^0-9.]//g'`
  12
  13 . $PROGPATH/utils.sh
  14
  15
  16 print_usage() {
  17   echo "Usage:"
  18   echo "  $PROGNAME --tns <Oracle Sid or Hostname/IP address>"
  19   echo "  $PROGNAME --db <ORACLE_SID>"
  20   echo "  $PROGNAME --login <ORACLE_SID>"
  21   echo "  $PROGNAME --cache <ORACLE_SID> <USER> <PASS> <CRITICAL> <WARNING>"
  22   echo "  $PROGNAME --tablespace <ORACLE_SID> <USER> <PASS> <TABLESPACE> <CRITICAL> <WARNING>"
  23   echo "  $PROGNAME --oranames <Hostname>"
  24   echo "  $PROGNAME --help"
  25   echo "  $PROGNAME --version"
  26 }
  27
  28 print_help() {
  29   print_revision $PROGNAME $REVISION
  30   echo ""
  31   print_usage
  32   echo ""
  33   echo "Check Oracle status"
  34   echo ""
  35   echo "--tns SID/IP Address"
  36   echo "   Check remote TNS server"
  37   echo "--db SID"
  38   echo "   Check local database (search /bin/ps for PMON process) and check"
  39   echo "   filesystem for sgadefORACLE_SID.dbf"
  40   echo "--login SID"
  41   echo "   Attempt a dummy login and alert if not ORA-01017: invalid username/password"
  42   echo "--cache"
  43   echo "   Check local database for library and buffer cache hit ratios"
  44   echo "       --->  Requires Oracle user/password and SID specified."
  45   echo "                --->  Requires select on v_$sysstat and v_$librarycache"
  46   echo "--tablespace"
  47   echo "   Check local database for tablespace capacity in ORACLE_SID"
  48   echo "       --->  Requires Oracle user/password specified."
  49   echo "                --->  Requires select on dba_data_files and dba_free_space"
  50   echo "--oranames Hostname"
  51   echo "   Check remote Oracle Names server"
  52   echo "--help"
  53   echo "   Print this help screen"
  54   echo "--version"
  55   echo "   Print version and license information"
  56   echo ""
  57   echo "If the plugin doesn't work, check that the ORACLE_HOME environment"
  58   echo "variable is set, that ORACLE_HOME/bin is in your PATH, and the"
  59   echo "tnsnames.ora file is locatable and is properly configured."
  60   echo ""
  61   echo "When checking local database status your ORACLE_SID is case sensitive."
  62   echo ""
  63   echo "If you want to use a default Oracle home, add in your oratab file:"
  64   echo "*:/opt/app/oracle/product/7.3.4:N"
  65   echo ""
  66   support
  67 }
  68
  69 case "$1" in
  70 1)
  71     cmd='--tns'
  72     ;;
  73 2)
  74     cmd='--db'
  75     ;;
  76 *)
  77     cmd="$1"
  78     ;;
  79 esac
  80
  81 # Information options
  82 case "$cmd" in
  83 --help)
  84                 print_help
  85     exit $STATE_OK
  86     ;;
  87 -h)
  88                 print_help
  89     exit $STATE_OK
  90     ;;
  91 --version)
  92                 print_revision $PROGNAME $REVISION
  93     exit $STATE_OK
  94     ;;
  95 -V)
  96                 print_revision $PROGNAME $REVISION
  97     exit $STATE_OK
  98     ;;
  99 esac
 100
 101 # Hunt down a reasonable ORACLE_HOME
 102 if [ -z "$ORACLE_HOME" ] ; then
 103         # Adjust to taste
 104         for oratab in /var/opt/oracle/oratab /etc/oratab
 105         do
 106         [ ! -f $oratab ] && continue
 107         ORACLE_HOME=`IFS=:
 108                 while read SID ORACLE_HOME junk;
 109                 do
 110                         if [ "$SID" = "$2" -o "$SID" = "*" ] ; then
 111                                 echo $ORACLE_HOME;
 112                                 exit;
 113                         fi;
 114                 done < $oratab`
 115         [ -n "$ORACLE_HOME" ] && break
 116         done
 117 fi
 118 # Last resort
 119 [ -z "$ORACLE_HOME" -a -d $PROGPATH/oracle ] && ORACLE_HOME=$PROGPATH/oracle
 120
 121 if [ "$cmd" != "--db" ]; then
 122         if [ -z "$ORACLE_HOME" -o ! -d "$ORACLE_HOME" ] ; then
 123                 echo "Cannot determine ORACLE_HOME for sid $2"
 124                 exit $STATE_UNKNOWN
 125         fi
 126 fi
 127 PATH=$PATH:$ORACLE_HOME/bin
 128 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib
 129 export ORACLE_HOME PATH LD_LIBRARY_PATH
 130
 131 case "$cmd" in
 132 --tns)
 133     tnschk=` tnsping $2`
 134     tnschk2=` echo  $tnschk | grep -c OK`
 135     if [ ${tnschk2} -eq 1 ] ; then
 136         tnschk3=` echo $tnschk | sed -e 's/.*(//' -e 's/).*//'`
 137         echo "OK - reply time ${tnschk3} from $2"
 138         exit $STATE_OK
 139     else
 140         echo "No TNS Listener on $2"
 141         exit $STATE_CRITICAL
 142     fi
 143     ;;
 144 --oranames)
 145     namesctl status $2 | awk '
 146     /Server has been running for:/ {
 147         msg = "OK: Up"
 148         for (i = 6; i <= NF; i++) {
 149             msg = msg " " $i
 150         }
 151         status = '$STATE_OK'
 152     }
 153     /error/ {
 154         msg = "CRITICAL: " $0
 155         status = '$STATE_CRITICAL'
 156     }
 157     END {
 158         print msg
 159         exit status
 160     }'
 161     ;;
 162 --db)
 163     pmonchk=`ps -ef | grep -v grep | grep -c "ora_pmon_${2}$"`
 164     if [ ${pmonchk} -ge 1 ] ; then
 165         echo "${2} OK - ${pmonchk} PMON process(es) running"
 166         exit $STATE_OK
 167     #if [ -f $ORACLE_HOME/dbs/sga*${2}* ] ; then
 168         #if [ ${pmonchk} -eq 1 ] ; then
 169     #utime=`ls -la $ORACLE_HOME/dbs/sga*$2* | cut -c 43-55`
 170             #echo "${2} OK - running since ${utime}"
 171             #exit $STATE_OK
 172         #fi
 173     else
 174         echo "${2} Database is DOWN"
 175         exit $STATE_CRITICAL
 176     fi
 177     ;;
 178 --login)
 179     loginchk=`sqlplus dummy/user@$2 < /dev/null`
 180     loginchk2=` echo  $loginchk | grep -c ORA-01017`
 181     if [ ${loginchk2} -eq 1 ] ; then
 182         echo "OK - dummy login connected"
 183         exit $STATE_OK
 184     else
 185         loginchk3=` echo "$loginchk" | grep "ORA-" | head -1`
 186         echo "CRITICAL - $loginchk3"
 187         exit $STATE_CRITICAL
 188     fi
 189     ;;
 190 --cache)
 191     if [ ${5} -gt ${6} ] ; then
 192         echo "UNKNOWN - Warning level is less then Crit"
 193         exit $STATE_UNKNOWN
 194     fi
 195     result=`sqlplus -s ${3}/${4}@${2} << EOF
 196 set pagesize 0
 197 set numf '9999999.99'
 198 select (1-(pr.value/(dbg.value+cg.value)))*100
 199 from v\\$sysstat pr, v\\$sysstat dbg, v\\$sysstat cg
 200 where pr.name='physical reads'
 201 and dbg.name='db block gets'
 202 and cg.name='consistent gets';
 203 EOF`
 204
 205     if [ -n "`echo $result | grep ORA-`" ] ; then
 206       error=` echo "$result" | grep "ORA-" | head -1`
 207       echo "CRITICAL - $error"
 208       exit $STATE_CRITICAL
 209     fi
 210
 211     buf_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
 212     buf_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
 213     result=`sqlplus -s ${3}/${4}@${2} << EOF
 214 set pagesize 0
 215 set numf '9999999.99'
 216 select sum(lc.pins)/(sum(lc.pins)+sum(lc.reloads))*100
 217 from v\\$librarycache lc;
 218 EOF`
 219
 220     if [ -n "`echo $result | grep ORA-`" ] ; then
 221       error=` echo "$result" | grep "ORA-" | head -1`
 222       echo "CRITICAL - $error"
 223       exit $STATE_CRITICAL
 224     fi
 225
 226     lib_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
 227     lib_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
 228
 229     if [ $buf_hr -le ${5} -o $lib_hr -le ${5} ] ; then
 230         echo "${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"
 231         exit $STATE_CRITICAL
 232     fi
 233     if [ $buf_hr -le ${6} -o $lib_hr -le ${6} ] ; then
 234         echo "${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"
 235         exit $STATE_WARNING
 236     fi
 237     echo "${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"
 238
 239     exit $STATE_OK
 240     ;;
 241 --tablespace)
 242     if [ ${6} -lt ${7} ] ; then
 243         echo "UNKNOWN - Warning level is more then Crit"
 244         exit $STATE_UNKNOWN
 245     fi
 246     result=`sqlplus -s ${3}/${4}@${2} << EOF
 247 set pagesize 0
 248 set numf '9999999.99'
 249 select NVL(b.free,0.0),a.total,100 - trunc(NVL(b.free,0.0)/a.total * 1000) / 10 prc
 250 from (
 251 select tablespace_name,sum(bytes)/1024/1024 total
 252 from dba_data_files group by tablespace_name) A
 253 LEFT OUTER JOIN
 254 ( select tablespace_name,sum(bytes)/1024/1024 free
 255 from dba_free_space group by tablespace_name) B
 256 ON a.tablespace_name=b.tablespace_name WHERE a.tablespace_name='${5}';
 257 EOF`
 258
 259     if [ -n "`echo $result | grep ORA-`" ] ; then
 260       error=` echo "$result" | grep "ORA-" | head -1`
 261       echo "CRITICAL - $error"
 262       exit $STATE_CRITICAL
 263     fi
 264
 265     ts_free=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}'`
 266     ts_total=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($2)}'`
 267     ts_pct=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($3)}'`
 268     ts_pctx=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print $3}'`
 269     if [ "$ts_free" -eq 0 -a "$ts_total" -eq 0 -a "$ts_pct" -eq 0 ] ; then
 270         echo "No data returned by Oracle - tablespace $5 not found?"
 271         exit $STATE_UNKNOWN
 272     fi
 273     if [ "$ts_pct" -ge ${6} ] ; then
 274         echo "${2} : ${5} CRITICAL - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 275         exit $STATE_CRITICAL
 276     fi
 277     if [ "$ts_pct" -ge ${7} ] ; then
 278         echo "${2} : ${5} WARNING  - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 279         exit $STATE_WARNING
 280     fi
 281     echo "${2} : ${5} OK - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 282     exit $STATE_OK
 283     ;;
 284 *)
 285     print_usage
 286                 exit $STATE_UNKNOWN
 287 esac