check_rac

# ****************************************************************************** # * # * check_rac 2016-10-28 # * # * Rony Zeitoun (rz2@rony-zeitoun.fr) # * # * Description: Nagios plug-in for Oracle rac (11g and above) # * # * This plugin is written with 2 main concerns: # * # * 1: works with Linux / Windows and regardless of the language (ENG / FR / etc.) # * 2: use exclusively the new crsctl command (11g-12c) and not the old deprecated crs_stat # * # * Precisions: # * # * Before to perform a check we have to see if HAS and clusterware are started and healthy # * because if this condition not met, all the subsequent checks will fail # * That's the reason why the check clusterstatus return only the version of the clusterware # * # * So, one advice, the minimal checks that you have to implement are : # * clusterstatus # * resstatus # * # * The checks: # * # * (implicit check allways performed) HAS + clusterware on local node -> crsctl check crs # * # * (1) clusterstatus : clusterware stack status (clusterware version) -> crsctl query crs softwareversion # * (2) votedisk : Voting disks status -> crsctl query css votedisk # * (3) resstatus : resource status (ONLINE/OFFLINE); -> crsctl stat res # * you can define exceptions with exclude option (resource list, delimiter , or ;) # * (4) instancestatus : database instance status -> crsctl stat res -w "TYPE = ora.database.type" # * # * This plug-in needs to be run as clusterware binaries owner (usually grid) under LINUX # * Configure sudo to work with nrpe-owner. # * # * Run 'check_rac --help' for full description. # * # ******************* # * Setup for LINUX # ******************* # * # * 1. disable 'requiretty' for nrpe-owner in /etc/sudoers # * Defaults:nagios !requiretty # * # * 2. enable sudo for nrpe-owner to run this script # * nagios ALL=(grid) NOPASSWD: /usr/lib64/nagios/plugins/check_rac # * # * 3. edit nrpe.cfg and insert required checks with options: # * # * command[check_rac_clusterstatus]=sudo -u grid /usr/local/nagios/libexec/check_rac.pl --grid_home=$GRID_HOME --action=clusterstatus # * command[check_rac_votedisk]=sudo -u grid /usr/local/nagios/libexec/check_rac.pl --grid_home=$GRID_HOME --action=votedisk # * command[check_rac_resstatus]=sudo -u grid /usr/local/nagios/libexec/check_rac.pl --grid_home=$GRID_HOME --action=resstatus # * command[check_rac_instancestatus]=sudo -u grid /usr/local/nagios/libexec/check_rac.pl --grid_home=$GRID_HOME --action=instancestatus # * # ******************* # * Setup for WINDOWS # ******************* # * # * 1. Install Strawberry-perl # * # * 2. Install NSclient++ (0.5) # * copy the file check_rac.pl in custom plugin folder [NSCLIENT_HOME]scriptscustom # * # * 3. edit nsclient.ini and insert required checks with options: # * # * check_rac_clusterstatus =[PERL_HOME]perlbinperl.exe scriptscustomcheck_rac.pl --grid_home=$GRID_HOME --action=clusterstatus # * check_rac_votedisk =[PERL_HOME]perlbinperl.exe scriptscustomcheck_rac.pl --grid_home=$GRID_HOME --action=votedisk # * check_rac_resstatus =[PERL_HOME]perlbinperl.exe scriptscustomcheck_rac.pl --grid_home=$GRID_HOME --action=resstatus # * check_rac_instancestatus =[PERL_HOME]perlbinperl.exe scriptscustomcheck_rac.pl --grid_home=$GRID_HOME --action=instancestatus # * # * --exclude is optional # * # *****************************************************************************

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