生产环境开源监控系统整合Nagios+Cacti+Nconf
声明:关于cacti的三篇博客,不是本人所写,因实在找不到转载选项,所以出此下计(完全复制),作者关于cacti的文章写得真心不错!这里只是自己看着方便!
原作此篇博客链接:http://foreveryan.blog.51cto.com/3508502/727866
公司要换监控系统了,以前采用的是Nagios+Centreon这两款软件的整合然后做出来的,但是Centreon的画图是在令人感觉惨不忍睹,而且统计出来的数据,也不是非常准确和人性化……所以,在研究了之后我们决定换监控系统,而最终的方案就是使用Naigos来捕获数据和报警,使用Cacti来画图,使用Nconf来配置多台主机,方便管理。
监控机采用的是R410的服务器,8G内存和16核cpu,采用CentOS 5.5 x86_64的操作系统。好的,配置好网络之后,我们开始!
注意:这里默认关闭了Selinux(生产环境也是关的,放心吧。)以及关闭了iptables。如有开启的需要,请根据网络酌情添加相关内容。
yum install -y http*
yum install -y mysql*
yum install -y php-*
yum install -y net-snmp*
yum install -y httpd gcc glibc glibc-common gd gd-devel php php-gd ntp
wget http://sourceforge.net/projects/nagios/files/nagios-3.x/nagios-3.3.1/nagios-3.3.1.tar.gz
tar zxf nagios-3.3.1.tar.gz
cd nagios
./configure --prefix=/var/www/html/nagios
make all
useradd nagios
make install && make install-init && make install-commandmode && make install-config && make install-webconf
htpasswd -c /var/www/html/nagios/etc/htpasswd.users nagiosadmin
wget http://sourceforge.net/projects/nagiosplug/files/nagiosplug/1.4.15/nagios-plugins-1.4.15.tar.gz
tar -zvxf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
./configure --prefix=/var/www/html/nagios/
make
make install
usermod -G nagios apache ##将apache用户加到nagios组。
chown nagios.nagios /var/www/html/nagios/ -R
service httpd restart
chkconfig httpd on
/etc/init.d/nagios start
在这里没有提供rrdtool的工具,需要下载可以去这里下载上述的3个软件包
rrdtool、rrdtool-devel的地址: http://packages.express.org/rrdtool/
rrdtool-php的地址: http://pkgs.org/download/rrdtool-php
注意,rrdtool的组件和附加组件版本尽量一致,而由于rrdtool-php这个包非常稀有,所以,尽量请以rrdtool-php的版本来决定rrdtool以及rrdtool-devel的版本。
还有一定要对应环境,别安装成了fedora的版本了=。=
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yum localinstall -y --nogpgcheck rrdtool-*
service mysqld start
vim /etc/snmp/snmpd.conf
# 修改3项 127.0.0.1 、 all、启用项(修改的内容详见我Cacti的安装文档,上面有非常详细的内容介绍)
service snmpd restart
wget http://www.cacti.net/downloads/cacti-0.8.7h.tar.gz
tar zxvf cacti-0.8.7h.tar.gz
mv cacti-0.8.7h /var/www/html/cacti
mysql> create database cacti;
mysql> grant all on cacti.* to 'cacti'@'localhost' identified by 'cacti';
mysql> flush privileges;
cd /var/www/html/cacti
mysql -ucacti -pcacti cacti < /var/www/html/cacti/cacti.sql
vim /var/www/html/cacti/include/config.php
vim /var/www/html/cacti/include/global.php
$database_default = "cacti"; //默认数据库名
$database_hostname = "localhost"; //主机名
$database_username = "cacti"; //登陆数据库用户名
$database_password = "cacti"; //登陆数据库密码
$database_port = "3306";
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useradd �Cr �CM cacti
chown �CR cacti /var/www/html/cacti/rra/
chown �CR cacti /var/www/html/cacti/log/
su cacti
crontab �Ce
*/5 * * * * php /var/www/html/cacti/poller.php > /dev/null 2>&1
php /var/www/html/cacti/poller.php > /dev/null 2>&1
exit
wget http://sourceforge.net/projects/nagios/files/ndoutils-1.x/ndoutils-1.4b9/ndoutils-1.4b9.tar.gz/download
tar zxvf ndoutils-1.4b9.tar.gz
cd ndoutils-1.4b9
./configure --prefix=/var/www/html/nagios --enable-mysql --disable-pgsql --with-mysql-inc=/usr/include/mysql --with-mysql-lib=/usr/lib/mysql
make
cp -v src/{ndomod-3x.o,ndo2db-3x,file2sock,log2ndo} /var/www/html/nagios/bin
cd db
./installdb -ucacti -pcacti -hlocalhost -d cacti
cd ..
cp -v config/{ndo2db.cfg-sample,ndomod.cfg-sample} /var/www/html/nagios/etc
mv /var/www/html/nagios/etc/ndo2db.cfg-sample /var/www/html/nagios/etc/ndo2db.cfg
mv /var/www/html/nagios/etc/ndomod.cfg-sample /var/www/html/nagios/etc/ndomod.cfg
chmod 644 /var/www/html/nagios/etc/ndo*
chown nagios:nagios /var/www/html/nagios/etc/*
chown nagios:nagios /var/www/html/nagios/bin/*
vim /var/www/html/nagios/etc/nagios.cfg
# 在文件中添加:
broker_module=/var/www/html/nagios/bin/ndomod-3x.o config_file=/var/www/html/nagios/etc/ndomod.cfg
# 检查
event_broker_options=-1## 为Nagios开启event broker
vim /var/www/html/nagios/etc/ndo2db.cfg
# 确保下列内容为唯一项
socket_type=tcp
db_servertype=mysql
db_host=localhost
db_port=3306
db_name=cacti
db_prefix=nagios_
db_user=cacti
db_pass=cacti
vim /var/www/html/nagios/etc/ndomod.cfg
# 确保下列项的唯一内容为
output_type=tcpsocket
output=127.0.0.1
cp ./daemon-init /etc/init.d/ndo2db
vim /etc/init.d/ndo2db
# 检查里面的路径确保不会出现“//",并将Ndo2dbBin修改成下面的值:
Ndo2dbBin=/var/www/html/nagios/bin/ndo2db-3x
chmod +x /etc/init.d/ndo2db
service ndo2db start
tail -20 /var/log/messages ## 查看其中是否有错误出现。如无报错请继续
service nagios start
wget http://www.cacti.net/downloads/pia/cacti-plugin-0.8.7h-PA-v3.0.tar.gz
tar xvf cacti-plugin-0.8.7h-PA-v3.0.tar.gz
cp -R cacti-plugin-arch/* /var/www/html/cacti/
cd /var/www/html/cacti/
mysql -ucacti -pcacti cacti < pa.sql
patch -p1 -N < cacti-plugin-0.8.7h-PA-v3.0.diff
## 为cacti配置文件打补丁的时候注意在为include/config.php打补丁的时候有可能它将 include/config.php.dist给打补丁了,我们只需要手动加入下面的内容即可。
vim include/config.php
# 修改(或新加入)为
$url_path = "/cacti/";
tar zxvf npc-2.0.4.tar.gz
mv npc /var/www/html/cacti/plugins/
vim /var/www/html/cacti/include/config.php
# 加入:
$plugins[] = 'npc';
wget http://pkgs.fedoraproject.org/repo/pkgs/php-pecl-json/json-1.2.1.tgz/d8904d2f004ceec85eeacf524cd25539/json-1.2.1.tgz
tar zxvf json-1.2.1.tgz
cd json-1.2.1
phpize ## 如果发现没有Phpize文件,则是因为php-devel包没有安装导致的
./configure
make && make install
php -i | grep php.ini ## 查看是否有导入信息
vim /etc/php.ini
# 添加
extension=json.so
vim /etc/httpd/conf/httpd.conf
# 添加一行:
AddType application/x-httpd-php .php .phtml
# 修改原DirectoryIndex内容为:
DirectoryIndex index.html index.html.var index.php
usermod -G cacti apache
service httpd restart ## 重启apache以让php生效
php -m ## 查看是否有json被加载
vim /var/www/html/nagios/etc/ndo2db.cfg
db_prefix=npc_
./mysql -ucacti -p cacti
mysql> use cacti;
mysql> alter table npc_eventhandlers add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_hostchecks add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_hoststatus add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_notifications add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_servicechecks add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_servicestatus add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_statehistory add long_output TEXT NOT NULL default '' after output;
mysql> alter table npc_systemcommands add long_output TEXT NOT NULL default '' after output;
service ndo2db restart
service nagios restart
# 进入mysql数据库
mysql> create database nconf;
# 创建nconf数据库
mysql> grant all privileges on nconf.* to nconf@localhost identified by 'nconf';
# 创建nconf用户并赋权
mysql> flush privileges;
# 刷新特权表
mysql> quit
wget http://sourceforge.net/projects/nconf/files/nconf/1.2.6-0/nconf-1.2.6-0.tgz/download
tar -zxf nconf-1.2.6-0.tgz -C /var/www/html/
cd /var/www/html/nconf
chown -R apache.apache config/ temp/ static_cfg/ output/
rm -rf INSTALL INSTALL.php UPDATE UPDATE.php
# 删除安装所需的初始化文件
ln -s /var/www/html/nagios/bin/nagios bin/nagios
chmod +x /var/www/html/nconf/bin/generate_config.pl
chown -R apache.apache bin
chmod +x /var/www/html/nagios/bin/nagios
chmod +x /var/www/html/nconf/ADD-ONS/deploy_local.sh
vim /var/www/html/nconf/ADD-ONS/deploy_local.sh
修改里面的Nagios路径为 /var/www/html/nagios/etc/
/var/www/html/nconf/ADD-ONS/deploy_local.sh
vim /var/www/html/nagios/etc/nagios.cfg
# 将其中cfg_file=*******字段全部注释 ,并加入
cfg_dir=/var/www/html/nagios/etc/Default_collector
cfg_dir=/var/www/html/nagios/etc/global
service nagios reload
# 重载nagios配置文件使之生效
ndomod: Could not open data sink! I'll keep trying, but some output may get lost...
解决办法:
检查 /nagios/etc目录的权限是否足够的大
确保/var/www/html/nagios/etc/nagios.cfg中有如下行出现,否则,请自行添加:
event_broker_options=-1
检查ndo2db.cfg中的配置,确保使用tcp连接
socket_type=tcp
检查ndomod.cfg中的配置,确保使用tcp套接字
output_type=tcpsocket
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2.在npc安装过程中进行表操作时报错
mysql> alter table npc_eventhandlers add long_output TEXT NOT NULL default '' after output; 解决办法:要先在cacti页面下正确的启用npc插件,正确的启用~一个向上的箭头和一个向右的箭头都要开启才行~ |
3.在应用nconf的时候报错
点 nconf --> Generate Nagios config --> 报错了。 Error accessing or executing Nagios / Icinga binary '/var/www/html/nconf/bin/nagios'. 解决办法: 检查你的/var/www/html/nconf/bin/nagios这个文件所链接的那个原始文件的权限,确保是777或者775 |
4....当然还没有发现错误,如果有,将会继续补充,欢迎网友在安装部署的过程中发现错误将错误积极交流,我将一一添加……
七:最后的样式