使用nagios监控oracle服务

配置 Nagios 监控 Oracle 服务器
环境：Oracle 10g
CentOS 5.4

一、在 Oracle 所在服务器上安装 NRPE
1.安装过程参考 Nagios NRPE 文档。

[root@ora etc]# grep -v "#" nrpe.cfg log_facility=daemon pid_file=/var/run/nrpe.pid server_port=5666 nrpe_user=nagios nrpe_group=nagios allowed_hosts=192.168.0.200 dont_blame_nrpe=0 debug=0 command_timeout=60 connection_timeout=300

2.给 oracle 用户在 ORACLE_HOME 目录下执行权限。

[oracle@ora ~]$ chmod -Rf 740 ${ORACLE_HOME}

3.修改 check_oracle 脚本。将 $ORACLE_HOME 以及 $PATH 手动加入，避免出现问题。

[oracle@ora ~]$ echo ${ORACLE_HOME} /u01/oracle/database/10.2.0/db_1 [oracle@ora ~]$ echo ${PATH} /usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/u01/oracle/bin:/u01/oracle/database/10.2.0/ db_1/bin:.

这么做是为了确保脚本可以正常执行 sqlplus 以及 tnsping 等命令

二、配置 nrpe 服务

在nrpe.conf文件末尾加入如下内容

#Check Oracle command[check_oracle_tns]=/usr/local/nagios/libexec/check_oracle --tns orcl command[check_oracle_db]=/usr/local/nagios/libexec/check_oracle --db orcl command[check_oracle_login]=/usr/local/nagios/libexec/check_oracle --login orclc command[check_oracle_tablespace]=/usr/local/nagios/libexec/check_oracle --tables pace orcl system lkjsdf tab 90 80

具体参数写法请参考 check_oracle --help

重启nrpe进程

[root@ora etc]# killall nrpe [root@ora etc]# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg –d

三、配置 Nagios 服务端

在 nagios/etc/objects 添加oracle 主机配置文件,orac.cfg。

44 #add oracle database moniter service by jadeshow 45 define service { 46                  use             generic-service 47                 host_name       database 48                 service_description     TNS Check 49                 check_command   check_nrpe!check_oracle_tns 50                 } 51 define service { 52                 use             generic-service 53                 host_name       database 54                 service_description     DB Check 55                 check_command   check_nrpe!check_oracle_db 56                 } 57 58 define service { 59                 use             generic-service 60                 host_name       database 61                 service_description     Login Check 62                 check_command   check_nrpe!check_oracle_login 63                 } 64 65 66 define service { 67                 use             generic-service 68                 host_name       database 69                 service_description     Tablespace Check 70                 check_command   check_nrpe!check_oracle_tablespace 71                 }

4．验证配置文件无误后重启 nagios 服务

[root@june objects]# nagios -v /usr/local/nagios/etc/nagios.cfg Nagios 3.1.0 Copyright (c) 1999-2009 Ethan Galstad (http://www.nagios.org) Last Modified: 01-25-2009 License: GPL Reading configuration data...    Read main config file okay... Processing object config file '/usr/local/nagios//etc/objects/commands.cfg'... Processing object config file '/usr/local/nagios//etc/objects/contacts.cfg'... Processing object config file '/usr/local/nagios//etc/objects/timeperiods.cfg'... Processing object config file '/usr/local/nagios//etc/objects/templates.cfg'... Processing object config file '/usr/local/nagios//etc/objects/test.cfg'... Processing object config file '/usr/local/nagios//etc/objects/server1.cfg'... Processing object config file '/usr/local/nagios//etc/objects/server2.cfg'... Processing object config file '/usr/local/nagios//etc/objects/orac.cfg'... Processing object config file '/usr/local/nagios//etc/objects/localhost.cfg'...    Read object config files okay... Running pre-flight check on configuration data... Checking services...         Checked 38 services. Checking hosts...         Checked 5 hosts. Checking host groups...         Checked 2 host groups. Checking service groups...         Checked 0 service groups. Checking contacts...         Checked 1 contacts. Checking contact groups...         Checked 1 contact groups. Checking service escalations...         Checked 0 service escalations. Checking service dependencies...         Checked 0 service dependencies. Checking host escalations...         Checked 0 host escalations. Checking host dependencies...         Checked 0 host dependencies. Checking commands...         Checked 25 commands. Checking time periods...         Checked 5 time periods. Checking for circular paths between hosts... Checking for circular host and service dependencies... Checking global event handlers... Checking obsessive compulsive processor commands... Checking misc settings... Total Warnings: 0 Total Errors:   0 Things look okay - No serious problems were detected during the pre-flight check [root@june objects]#

5.重新启动nagios服务

[root@june objects]# service nagios restart Running configuration check...done. Stopping nagios: done. Starting nagios: done. [root@june objects]#

四、验证nagios的oracle服务

oracle数据库监控如图

 

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望月飞鱼(珏石头)