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="@NP_VERSION@"
  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 --connect <ORACLE_SID>"
  22   echo "  $PROGNAME --cache <ORACLE_SID> <USER> <PASS> <CRITICAL> <WARNING>"
  23   echo "  $PROGNAME --tablespace <ORACLE_SID> <USER> <PASS> <TABLESPACE> <CRITICAL> <WARNING>"
  24   echo "  $PROGNAME --oranames <Hostname>"
  25   echo "  $PROGNAME --help"
  26   echo "  $PROGNAME --version"
  27 }
  28
  29 print_help() {
  30   print_revision $PROGNAME $REVISION
  31   echo ""
  32   print_usage
  33   echo ""
  34   echo "Check Oracle status"
  35   echo ""
  36   echo "--tns SID/IP Address"
  37   echo "   Check remote TNS server"
  38   echo "--db SID"
  39   echo "   Check local database (search /bin/ps for PMON process) and check"
  40   echo "   filesystem for sgadefORACLE_SID.dbf"
  41   echo "--login SID"
  42   echo "   Attempt a dummy login and alert if not ORA-01017: invalid username/password"
  43   echo "--connect SID"
  44   echo "   Attempt a login and alert if an ORA- error is returned"
  45   echo "--cache"
  46   echo "   Check local database for library and buffer cache hit ratios"
  47   echo "       --->  Requires Oracle user/password and SID specified."
  48   echo "                --->  Requires select on v_$sysstat and v_$librarycache"
  49   echo "--tablespace"
  50   echo "   Check local database for tablespace capacity in ORACLE_SID"
  51   echo "       --->  Requires Oracle user/password specified."
  52   echo "                --->  Requires select on dba_data_files and dba_free_space"
  53   echo "--oranames Hostname"
  54   echo "   Check remote Oracle Names server"
  55   echo "--help"
  56   echo "   Print this help screen"
  57   echo "--version"
  58   echo "   Print version and license information"
  59   echo ""
  60   echo "If the plugin doesn't work, check that the ORACLE_HOME environment"
  61   echo "variable is set, that ORACLE_HOME/bin is in your PATH, and the"
  62   echo "tnsnames.ora file is locatable and is properly configured."
  63   echo ""
  64   echo "When checking local database status your ORACLE_SID is case sensitive."
  65   echo ""
  66   echo "If you want to use a default Oracle home, add in your oratab file:"
  67   echo "*:/opt/app/oracle/product/7.3.4:N"
  68   echo ""
  69   support
  70 }
  71
  72 case "$1" in
  73 1)
  74     cmd='--tns'
  75     ;;
  76 2)
  77     cmd='--db'
  78     ;;
  79 *)
  80     cmd="$1"
  81     ;;
  82 esac
  83
  84 # Information options
  85 case "$cmd" in
  86 --help)
  87                 print_help
  88     exit $STATE_OK
  89     ;;
  90 -h)
  91                 print_help
  92     exit $STATE_OK
  93     ;;
  94 --version)
  95                 print_revision $PROGNAME $REVISION
  96     exit $STATE_OK
  97     ;;
  98 -V)
  99                 print_revision $PROGNAME $REVISION
 100     exit $STATE_OK
 101     ;;
 102 esac
 103
 104 # Hunt down a reasonable ORACLE_HOME
 105 if [ -z "$ORACLE_HOME" ] ; then
 106         # Adjust to taste
 107         for oratab in /var/opt/oracle/oratab /etc/oratab
 108         do
 109         [ ! -f $oratab ] && continue
 110         ORACLE_HOME=`IFS=:
 111                 while read SID ORACLE_HOME junk;
 112                 do
 113                         if [ "$SID" = "$2" -o "$SID" = "*" ] ; then
 114                                 echo $ORACLE_HOME;
 115                                 exit;
 116                         fi;
 117                 done < $oratab`
 118         [ -n "$ORACLE_HOME" ] && break
 119         done
 120 fi
 121 # Last resort
 122 [ -z "$ORACLE_HOME" -a -d $PROGPATH/oracle ] && ORACLE_HOME=$PROGPATH/oracle
 123
 124 if [ "$cmd" != "--db" ]; then
 125         if [ -z "$ORACLE_HOME" -o ! -d "$ORACLE_HOME" ] ; then
 126                 echo "Cannot determine ORACLE_HOME for sid $2"
 127                 exit $STATE_UNKNOWN
 128         fi
 129 fi
 130 PATH=$PATH:$ORACLE_HOME/bin
 131 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib
 132 export ORACLE_HOME PATH LD_LIBRARY_PATH
 133
 134 case "$cmd" in
 135 --tns)
 136     tnschk=` tnsping $2`
 137     tnschk2=` echo  $tnschk | grep -c OK`
 138     if [ ${tnschk2} -eq 1 ] ; then
 139         tnschk3=` echo $tnschk | sed -e 's/.*(//' -e 's/).*//'`
 140         echo "OK - reply time ${tnschk3} from $2"
 141         exit $STATE_OK
 142     else
 143         echo "No TNS Listener on $2"
 144         exit $STATE_CRITICAL
 145     fi
 146     ;;
 147 --oranames)
 148     namesctl status $2 | awk '
 149     /Server has been running for:/ {
 150         msg = "OK: Up"
 151         for (i = 6; i <= NF; i++) {
 152             msg = msg " " $i
 153         }
 154         status = '$STATE_OK'
 155     }
 156     /error/ {
 157         msg = "CRITICAL: " $0
 158         status = '$STATE_CRITICAL'
 159     }
 160     END {
 161         print msg
 162         exit status
 163     }'
 164     ;;
 165 --db)
 166     pmonchk=`ps -ef | grep -v grep | grep -c "ora_pmon_${2}$"`
 167     if [ ${pmonchk} -ge 1 ] ; then
 168         echo "${2} OK - ${pmonchk} PMON process(es) running"
 169         exit $STATE_OK
 170     #if [ -f $ORACLE_HOME/dbs/sga*${2}* ] ; then
 171         #if [ ${pmonchk} -eq 1 ] ; then
 172     #utime=`ls -la $ORACLE_HOME/dbs/sga*$2* | cut -c 43-55`
 173             #echo "${2} OK - running since ${utime}"
 174             #exit $STATE_OK
 175         #fi
 176     else
 177         echo "${2} Database is DOWN"
 178         exit $STATE_CRITICAL
 179     fi
 180     ;;
 181 --login)
 182     loginchk=`sqlplus dummy/user@$2 < /dev/null`
 183     loginchk2=` echo  $loginchk | grep -c ORA-01017`
 184     if [ ${loginchk2} -eq 1 ] ; then
 185         echo "OK - dummy login connected"
 186         exit $STATE_OK
 187     else
 188         loginchk3=` echo "$loginchk" | grep "ORA-" | head -1`
 189         echo "CRITICAL - $loginchk3"
 190         exit $STATE_CRITICAL
 191     fi
 192     ;;
 193 --connect)
 194     connectchk=`sqlplus $2 < /dev/null`
 195     connectchk2=` echo  $connectchk | grep -c ORA-`
 196     if [ ${connectchk2} -eq 0 ] ; then
 197         echo "OK - login successful"
 198         exit $STATE_OK
 199     else
 200         connectchk3=` echo "$connectchk" | grep "ORA-" | head -1`
 201         echo "CRITICAL - $connectchk3"
 202         exit $STATE_CRITICAL
 203     fi
 204     ;;
 205 --cache)
 206     if [ ${5} -gt ${6} ] ; then
 207         echo "UNKNOWN - Warning level is less then Crit"
 208         exit $STATE_UNKNOWN
 209     fi
 210     result=`sqlplus -s ${3}/${4}@${2} << EOF
 211 set pagesize 0
 212 set numf '9999999.99'
 213 select (1-(pr.value/(dbg.value+cg.value)))*100
 214 from v\\$sysstat pr, v\\$sysstat dbg, v\\$sysstat cg
 215 where pr.name='physical reads'
 216 and dbg.name='db block gets'
 217 and cg.name='consistent gets';
 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 $STATE_CRITICAL
 224     fi
 225
 226     buf_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
 227     buf_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
 228     result=`sqlplus -s ${3}/${4}@${2} << EOF
 229 set pagesize 0
 230 set numf '9999999.99'
 231 select sum(lc.pins)/(sum(lc.pins)+sum(lc.reloads))*100
 232 from v\\$librarycache lc;
 233 EOF`
 234
 235     if [ -n "`echo $result | grep ORA-`" ] ; then
 236       error=` echo "$result" | grep "ORA-" | head -1`
 237       echo "CRITICAL - $error"
 238       exit $STATE_CRITICAL
 239     fi
 240
 241     lib_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
 242     lib_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
 243
 244     if [ $buf_hr -le ${5} -o $lib_hr -le ${5} ] ; then
 245         echo "${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"
 246         exit $STATE_CRITICAL
 247     fi
 248     if [ $buf_hr -le ${6} -o $lib_hr -le ${6} ] ; then
 249         echo "${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"
 250         exit $STATE_WARNING
 251     fi
 252     echo "${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"
 253
 254     exit $STATE_OK
 255     ;;
 256 --tablespace)
 257     if [ ${6} -lt ${7} ] ; then
 258         echo "UNKNOWN - Warning level is more then Crit"
 259         exit $STATE_UNKNOWN
 260     fi
 261     result=`sqlplus -s ${3}/${4}@${2} << EOF
 262 set pagesize 0
 263 set numf '9999999.99'
 264 select NVL(b.free,0.0),a.total,100 - trunc(NVL(b.free,0.0)/a.total * 1000) / 10 prc
 265 from (
 266 select tablespace_name,sum(bytes)/1024/1024 total
 267 from dba_data_files group by tablespace_name) A
 268 LEFT OUTER JOIN
 269 ( select tablespace_name,sum(bytes)/1024/1024 free
 270 from dba_free_space group by tablespace_name) B
 271 ON a.tablespace_name=b.tablespace_name WHERE a.tablespace_name='${5}';
 272 EOF`
 273
 274     if [ -n "`echo $result | grep ORA-`" ] ; then
 275       error=` echo "$result" | grep "ORA-" | head -1`
 276       echo "CRITICAL - $error"
 277       exit $STATE_CRITICAL
 278     fi
 279
 280     ts_free=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}'`
 281     ts_total=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($2)}'`
 282     ts_pct=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($3)}'`
 283     ts_pctx=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print $3}'`
 284     if [ "$ts_free" -eq 0 -a "$ts_total" -eq 0 -a "$ts_pct" -eq 0 ] ; then
 285         echo "No data returned by Oracle - tablespace $5 not found?"
 286         exit $STATE_UNKNOWN
 287     fi
 288     if [ "$ts_pct" -ge ${6} ] ; then
 289         echo "${2} : ${5} CRITICAL - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 290         exit $STATE_CRITICAL
 291     fi
 292     if [ "$ts_pct" -ge ${7} ] ; then
 293         echo "${2} : ${5} WARNING  - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 294         exit $STATE_WARNING
 295     fi
 296     echo "${2} : ${5} OK - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
 297     exit $STATE_OK
 298     ;;
 299 *)
 300     print_usage
 301                 exit $STATE_UNKNOWN
 302 esac