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一.安装nagios_oracle_health插件
项目地址：https://labs.consol.de/nagios/check_mysql_health/
1.查看perl包有没有安装。
[root@DB02 ~]# rpm -qa|grep perl
perl-Test-Simple-0.92-136.el6.x86_64
perl-ExtUtils-MakeMaker-6.55-136.el6.x86_64
perl-version-0.77-136.el6.x86_64
perl-ExtUtils-ParseXS-2.2003.0-136.el6.x86_64
perl-libs-5.10.1-136.el6.x86_64
perl-5.10.1-136.el6.x86_64
perl-CGI-3.51-136.el6.x86_64
perl-devel-5.10.1-136.el6.x86_64
perl-Pod-Escapes-1.04-136.el6.x86_64
perl-Pod-Simple-3.13-136.el6.x86_64
perl-Test-Harness-3.17-136.el6.x86_64
perl-Module-Pluggable-3.90-136.el6.x86_64
[root@DB02 ~]# perl -v
This is perl,v5.10.1 (*) built for x86_64-linux-thread-multi
Copyright 1987-2009,Larry Wall
Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License,which may be found in the Perl 5 source kit.
Complete documentation for Perl,including FAQ lists,should be found on
this system using "man perl" or "perldoc perl". If you have access to the
Internet,point your browser at http://www.perl.org/,the Perl Home Page.
从执行上面的两个命令好，可以看到perl包安装正常
2.安装DBI
tar -zxvf DBI-1.636.tar.gz
cd DBI-1.636
perl Makefile.PL
make all
make install
3.安装DBD-Oracle
tar -zxvf DBD-Oracle-1.74.tar.gz
cd DBD-Oracle-1.74
perl Makefile.PL
执行命令报错如下：
[root@DB01 DBD-Oracle-1.74]# perl Makefile.PL
Multiple copies of Driver.xst found in: /usr/local/lib64/perl5/auto/DBI/ /usr/lib64/perl5/auto/DBI/ at Makefile.PL line 39
Using DBI 1.636 (for perl 5.010001 on x86_64-linux-thread-multi) installed in /usr/local/lib64/perl5/auto/DBI/
Configuring DBD::Oracle for perl 5.010001 on linux (x86_64-linux-thread-multi)
Remember to actually *READ* the README file! Especially if you have any problems.
Trying to find an ORACLE_HOME
Your LD_LIBRARY_PATH env var is set to ''
The ORACLE_HOME environment variable is not set and I couldn't guess it.
It must be set to hold the path to an Oracle installation directory
on this machine (or a machine with a compatible architecture).
See the appropriate README file for your OS for more information.
ABORTED!
解决方法：在root的bash_profile里面添加下面的代码#这里是现网的数据库的环境变量的配置
ORACLE_BASE=/u01/oracle/app
ORACLE_HOME=$ORACLE_BASE/product/11g/dbhome_1
ORACLE_SID=kdzfw
LD_LIBRARY_PATH=$ORACLE_HOME/lib
PATH=$PATH:$ORACLE_HOME/bin:$HOME/bin:$ORACLE_HOME/OPatch
export ORACLE_BASE ORACLE_HOME ORACLE_SID LD_LIBRARY_PATH PATH
source .bash_profile
重新执行命令perl Makefile.PL
make all
make install
登录数据库，建个nagios帐号，并授予一些权限。
createusernagiosidentifiedbyoradbmon;grantcreatesessiontonagios;grantselectanydictionarytonagios;grantselectonV_$SYSSTATtonagios;grantselectonV_$INSTANCEtonagios;grantselectonV_$LOGtonagios;grantselectonSYS.DBA_DATA_FILEStonagios;grantselectonSYS.DBA_FREE_SPACEtonagios;
4.安装check_oracle_health
tar -zxvf check_oracle_health-2.1.3.5.tar.gz
cd check_oracle_health-2.1.3.5
./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-mymodules-dir=/usr/local/nagios/libexec --with-mymodules-dyn-dir=/usr/local/nagios/libexec
make all
make install
5.使用oracle用户运行测试脚本：如下的输出说明插件工作正常。
./check_oracle_health --connect=orcl --username=nagios--password= oradbmon--mode=tnsping
OK - connection established to orcl.
6.把oracle下面的环境变量复制到root下的bash_profile里面，并执行source bash_profile使配置立即生效。
7.在被监控机上定义一个服务，监控表空间，在客户机的nrpe.cfg里配置监控命令。
command[check_tablespace]=/usr/local/nagios/libexec/check_oracle_health --connect kdzfw --username nagios --password oradbmon --warning 95 --critical 98 --mode tablespace-usage
注意：把nrpe.cfg配置文件里的dont_blame_nrpe=1，允许命令后可以带一些参数。
使用脚本在本地测试使用脚本监控表空间，显示正常，如下所示：
[oracle@DB01 libexec]$ /usr/local/nagios/libexec/check_oracle_health --connect kdzfw --username nagios --password oradbmon --warning 95 --critical 98 --mode tablespace-usage
OK - tbs VIPC usage is 0.00%,tbs USERS usage is 0.90%,tbs UNDOTBS1 usage is 0.05%,tbs TEMP usage is 0.01%,tbs SYSTEM usage is 2.65%,tbs SYSAUX usage is 2.65%,tbs SPTESTREADER usage is 0.00%,tbs SPTESTIM usage is 0.36%,tbs MAINTAIN usage is 0.05%,tbs INDX usage is 29.67%,tbs BTEST usage is 51.32% | 'tbs_vipc_usage_pct'=0.00%;95;98 'tbs_vipc_usage'=1MB;31129;32112;0;32767 'tbs_vipc_alloc'=1024MB;;;0;32767 'tbs_users_usage_pct'=0.90%;95;98 'tbs_users_usage'=294MB;31129;32112;0;32767 'tbs_users_alloc'=310MB;;;0;32767 'tbs_undotbs1_usage_pct'=0.05%;95;98 'tbs_undotbs1_usage'=16MB;31129;32112;0;32767 'tbs_undotbs1_alloc'=825MB;;;0;32767 'tbs_temp_usage_pct'=0.01%;95;98 'tbs_temp_usage'=2MB;31129;32112;0;32767 'tbs_temp_alloc'=1203MB;;;0;32767 'tbs_system_usage_pct'=2.65%;95;98 'tbs_system_usage'=869MB;31129;32112;0;32767 'tbs_system_alloc'=930MB;;;0;32767 'tbs_sysaux_usage_pct'=2.65%;95;98 'tbs_sysaux_usage'=867MB;31129;32112;0;32767 'tbs_sysaux_alloc'=920MB;;;0;32767 'tbs_sptestreader_usage_pct'=0.00%;95;98 'tbs_sptestreader_usage'=1MB;31129;32112;0;32767 'tbs_sptestreader_alloc'=1024MB;;;0;32767 'tbs_sptestim_usage_pct'=0.36%;95;98 'tbs_sptestim_usage'=119MB;31129;32112;0;32767 'tbs_sptestim_alloc'=1024MB;;;0;32767 'tbs_maintain_usage_pct'=0.05%;95;98 'tbs_maintain_usage'=1MB;1945;2007;0;2048 'tbs_maintain_alloc'=1024MB;;;0;2048 'tbs_indx_usage_pct'=29.67%;95;98 'tbs_indx_usage'=9721MB;31129;32112;0;32767 'tbs_indx_alloc'=11024MB;;;0;32767 'tbs_btest_usage_pct'=51.32%;95;98 'tbs_btest_usage'=50451MB;93388;96337;0;98303 'tbs_btest_alloc'=71680MB;;;0;98303
8.服务端使用的是nagiosql管理工具，在里面配置相应的服务。
9.nagios展示的效果：
二.安装check_linux_stats.pl脚本
1.先安装perl-UNIVERSAL-require-0.13-1.el6.rf.noarch.rpm，这里是rpm包。
[root@DB02 huaxia]# rpm -ivh perl-UNIVERSAL-require-0.13-1.el6.rf.noarch.rpm
warning: perl-UNIVERSAL-require-0.13-1.el6.rf.noarch.rpm: Header V3 DSA/SHA1 Signature,key ID 6b8d79e6: NOKEY
Preparing... ########################################### [100%]
1:perl-UNIVERSAL-require ########################################### [100%]
[root@DB02 huaxia]# rpm -qa|grep perl-UNIVERSAL-require
perl-UNIVERSAL-require-0.13-1.el6.rf.noarch
2.安装Sys-Statistics-Linux
tar -zxvf Sys-Statistics-Linux-0.66.tar.gz
cd Sys-Statistics-Linux-0.66
[root@DB02 Sys-Statistics-Linux-0.66]# perl Makefile.PL
Checking if your kit is complete...
Looks good
Warning: prerequisite Time::HiRes 0 not found.#报错！
Writing Makefile for Sys::Statistics::Linux
解决方法：yum -y install perl-Time-HiRes
重新执行：
[root@DB02 Sys-Statistics-Linux-0.66]# perl Makefile.PL
Writing Makefile for Sys::Statistics::Linux
make all
make install
3.下载check_linux_stats.pl监控脚本，并把脚本放到/usr/local/nagios/libexec的插件目录里
执行./check_linux_stats.pl，可以看到该脚本可以监控很多参数。
[oracle@DB02 libexec]$ ./check_linux_stats.pl --help
check_linux_stats v1.3.1
Usage: ./check_linux_stats.pl -C|-P|-M|-N|-D|-I|-L|-F|-S|-W|-U -p <pattern> -w <warning> -c <critical> [-s <sleep>] [-u <unit>] [-V] [-h]
-h,--help
print this help message
-C,--cpu=CPU USAGE
-P,--procs
-M,--memory=MEMORY USAGE
-N,--network=NETWORK USAGE
-D,--disk=DISK USAGE
-I,--io=DISK IO USAGE
-L,--load=LOAD AVERAGE
-F,--file=FILE STATS
-S,--socket=SOCKET STATS
-W,--paging=PAGING AND SWAPPING STATS
-U,--uptime
-p,--pattern
eth0,eth1...sda1,sda2.../usr,/tmp
-w,--warning
-c,--critical
-s,--sleep
-u,--unit
%,KB,MB or GB left on disk usage,default : MB
REQS OR BYTES on disk io statistics,default : REQS
-V,--version
version number
ex :
Memory usage : perl check_linux_stats.pl -M -w 90 -c 95
Cpu usage : perl check_linux_stats.pl -C -w 90 -c 95 -s 5
Disk usage : perl check_linux_stats.pl -D -w 95 -c 100 -u % -p /tmp,/usr,/var
Load average : perl check_linux_stats.pl -L -w 10,8,5 -c 20,18,15
Paging statistics: perl check_linux_stats.pl -W -w 10,1000 -c 20,2000 -s 3
Process statistics : perl check_linux_stats.pl -P -w 100 -c 200
I/O statistics on disk device : perl check_linux_stats.pl -I -w 10 -c 5 -p sda1,sda4,sda5,sda6
Network usage : perl check_linux_stats.pl -N -w 10000 -c 100000000 -p eth0
Processes virtual memory : perl check_linux_stats.pl -T -w 9551820 -c 9551890 -p /var/run/sendmail.pid
Uptime: perl check_linux_stats.pl -U -w 5
[oracle@DB02 libexec]$ ./check_linux_stats.pl -M -w 90 -c 95#测试了下内存，显示正常。
MEMORY CRITICAL : Mem used: 97.96%,Swap used: 0.96% |MemUsed=97.96%;90;95 SwapUsed=0.96;; MemCached=91.65 SwapCached=0.21 Active=60.85
4.在客户机的nrpe.cfg里面加入几项监控的服务。
command[check_HA_servhamachine]=/usr/local/nagios/libexec/check_procs -w $ARG1$ -c $ARG2$ -C $ARG3$
command[check_linux_stats_root]=/usr/local/nagios/libexec/check_linux_stats.pl -D -w $ARG1$ -c $ARG2$ -p $ARG3$
command[check_linux_stats_load]=/usr/local/nagios/libexec/check_linux_stats.pl -L -w $ARG1$ -c $ARG2$
command[check_linux_stats_cpu]=/usr/local/nagios/libexec/check_linux_stats.pl -C -w $ARG1$ -c $ARG2$ -s $ARG3$
command[check_linux_stats_mem]=/usr/local/nagios/libexec/check_linux_stats.pl -M -w $ARG1$ -c $ARG2$
5.服务器端用的是nagiosql,在里面把这几个监控项加一下。
6.nagios服务端的展示效果。
（编辑：李大同）
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