ganglia安装配置
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前言
最近在研究云监控的相关工具,感觉ganglia颇有亮点,能从一个集群整体的角度来展现数据. 但是安装过程稍过复杂,相关依赖稍多,故写此文章与大家分享下.
本文不讲解相关原理,若想了解请参考其他资料.
本文目的: 即使之前未触过ganglia,也能按照文中步骤搭建自己的ganglia监控集群.
@Author duangr
@Website http://my.oschina.net/duangr/blog/181585
1.相关环境
Host NameIPOSArchduangr-1192.168.56.10CentOS 6.4x86_64duangr-2192.168.56.11CentOS 6.4x86_64duangr-3192.168.56.12CentOS 6.4x86_64
全部主机确认:
iptables关闭
SELinux disabled
2.部署规划
项值监控服务主节点duangr-1被监控从节点
duangr-2
duangr-3
Ganglia监控服务的主节点需要安装:
ganglia
ganglia-web
php
apache
Ganglia被监控从节点需要安装:
ganglia
安装路径规划
项值ganglia安装路径/usr/local/gangliaphp安装路径/usr/local/phpapache安装路径/usr/local/apache2ganglia-web安装路径/export/home/ganglia/ganglia-web-3.5.10rrds数据路径/export/home/ganglia/rrds3.代码获取
ganglia-3.6.0.tar.gz
ganglia-web-3.5.10.tar.gz
httpd-2.2.23.tar.gz
php-5.4.10.tar.gz
4.前提依赖
4.1 主机环境检查(全部主机节点)
# rpm -q gcc glibc glibc-common rrdtool rrdtool-devel apr apr-devel expat expat-devel pcre pcre-devel dejavu-lgc-sans-mono-fonts dejavu-sans-mono-fonts
gcc
-4.4.7-3.el6.x86_64
glibc-2.14.1-6.x86_64
glibc-common-2.14.1-6.x86_64
rrdtool-1.3.8-6.el6.x86_64
rrdtool-devel-1.3.8-6.el6.x86_64
apr-1.3.9-5.el6_2.x86_64
apr-devel-1.3.9-5.el6_2.x86_64
expat-2.0.1-11.el6_2.x86_64
expat-devel-2.0.1-11.el6_2.x86_64
pcre-7.8-6.el6.x86_64
pcre-devel-7.8-6.el6.x86_64
dejavu-lgc-sans-mono-fonts-2.30-2.el6.noarch.rpm
dejavu-sans-mono-fonts-2.30-2.el6.noarch.rpm
若有缺失,请先安装. 可通过如下几个镜像网站下载相关安装包:
http://rpm.pbone.net/
http://mirrors.163.com/centos/6.4/os/x86_64/Packages/
http://mirrors.sohu.com/centos/6.4/os/x86_64/Packages/
4.2 dejavu
rpm -ivh dejavu-lgc-sans-mono-fonts-2.30-2.el6.noarch.rpm
rpm -ivh dejavu-sans-mono-fonts-2.30-2.el6.noarch.rpm
4.3 rrdtool
rpm -ivh rrdtool-1.3.8-6.el6.x86_64.rpm
rpm -ivh rrdtool-devel-1.3.8-6.el6.x86_64.rpm
4.4 apr
rpm -ivh apr-1.3.9-5.el6_2.x86_64.rpm
rpm -ivh apr-devel-1.3.9-5.el6_2.x86_64.rpm
4.5 libexpat
rpm -ivh expat-2.0.1-11.el6_2.x86_64.rpm
rpm -ivh expat-devel-2.0.1-11.el6_2.x86_64.rpm
4.6 libpcre
rpm -ivh pcre-7.8-6.el6.x86_64.rpm
rpm -ivh pcre-devel-7.8-6.el6.x86_64.rpm
4.7 confuse
confuse-2.7 http://www.nongnu.org/confuse/
tar
-zxf confuse-2.7.
tar
.gz
cd
confuse-2.7
.
/configure
CFLAGS=-fPIC --disable-nls
make
&&
make
install
4.8 python
Python-2.7.3.tar.bz2 http://www.python.org/
tar
-jxf Python-2.7.3.
tar
.bz2
.
/configure
--prefix=
/usr/local
--
enable
-shared
make
&&
make
install
配置共享库
vi
/etc/ld
.so.conf
-- 增加如下内容
/usr/local/lib
启用配置
ldconfig
检查是否生效
ldconfig -v |grep "libpython2.7.so"
5.编译安装
5.1 安装ganglia (全部节点都要安装)
# tar -zxf ganglia-3.6.0.tar.gz
# cd ganglia-3.6.0
# ./configure --prefix=/usr/local/ganglia --with-gmetad --enable-gexec --with-python=/usr/local
Welcome to..
______ ___
/ ____
/___
_____ ____ _/ (_)___ _
/ / __/ __ `/ __ \/ __ `/ / / __ `/
/
/_/
/
/_/
/ / / /
/_/
/ / /
/_/
/
\____/\__,_
/_/
/_/
\__,
/_/_/
\__,_/
/____/
Copyright (c) 2005 University of California, Berkeley
Version: 3.6.0
Library: Release 3.6.0 0:0:0
Type
"make"
to compile.
# make && make install
5.2 安装ganglia-web (主节点安装)
# tar -zxf ganglia-web-3.5.10.tar.gz -C /export/home/ganglia/
# cd /export/home/ganglia/ganglia-web-3.5.10
# cp conf_default.php conf.php
vi conf.php 调整为如下内容
$conf
[
'gweb_confdir'
] =
"/export/home/ganglia/ganglia-web-3.5.10"
;
$conf
[
'gmetad_root'
] =
"/export/home/ganglia"
;
vi header.php
<?php
session_start();
ini_set
(
'date.timezone'
,
'PRC'
); --修改时区为本地时区
if
(isset(
$_GET
[
'date_only'
])) {
$d
=
date
(
"r"
);
echo
$d
;
exit
(0);
}
配置临时目录
cd
/export/home/ganglia/ganglia-web-3
.5.10
/dwoo
mkdir
cache
chmod
777 cache
mkdir
compiled
chmod
777 compiled
5.3 安装apache (主节点安装)
tar
-zxf httpd-2.2.23.
tar
.gz
cd
httpd-2.2.23
./configure --prefix=/usr/local/apache2 --enable-dav --enable-modules=so --enable-maintainer-mode --enable-rewrite --with-apr=/usr/local/apr/bin/apr-1-config --with-apr-util=/usr/local/apr-util/bin/apu-1-config
make
&&
make
install
5.4 安装php (主节点安装)
tar
-zxf php-5.4.10.
tar
.gz
cd
php-5.4.10
./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql=/usr
make
&&
make
install
5.5 使用apache发布ganglia-web (主节点安装)
vi /usr/local/apache2/conf/httpd.conf
Listen 80
....
ServerName localhost:80
DocumentRoot "/var/www/html"
<IfModule dir_module>
DirectoryIndex index.php index.html
</IfModule>
LoadModule php5_module modules/libphp5.so
AddType application/x-httpd-php .php .php4 .php3 .phtml
AddType application/x-httpd-php-source .phps
....
# 在文件最后增加如下内容
# ganglia
Alias /ganglia "/export/home/ganglia/ganglia-web-3.5.10"
<Directory "/export/home/ganglia/ganglia-web-3.5.10">
AuthType Basic
Options None
AllowOverride None
Order allow,deny
Allow from all
</Directory>
启动httpd服务
/usr/local/apache2/bin/apachectl
restart
6.配置Ganglia
6.1 配置gmetad (主节点配置)
cd
ganglia-3.6.0
cp
.
/gmetad/gmetad
.init
/etc/init
.d
/gmetad
cp
.
/gmetad/gmetad
.conf
/usr/local/ganglia/etc/
vi /etc/init.d/gmetad --修改如下内容
GMETAD=
/usr/local/ganglia/sbin/gmetad
vi /usr/local/ganglia/etc/gmetad.conf -- 修改如下内容
data_source
"duangr-cluster"
10 ip
xml_port 8651
interactive_port 8652
rrd_rootdir
"/export/home/ganglia/rrds"
case_sensitive_hostnames 0
修改rrds数据目录所有者
chown
-R nobody:nobody
/export/home/ganglia/rrds
启动gmetad服务,并设为开机自动运行
service gmetad restart
chkconfig --add gmetad
6.2 配置gmond (全部节点配置)
cd
ganglia-3.6.0
cp
.
/gmond/gmond
.init
/etc/init
.d
/gmond
.
/gmond/gmond
-t >
/usr/local/ganglia/etc/gmond
.conf
vi /etc/init.d/gmond --修改如下内容
GMOND=
/usr/local/ganglia/sbin/gmond
vi /usr/local/ganglia/etc/gmond.conf -- 修改如下内容
cluster {
name =
"duangr-cluster"
owner =
"nobody"
latlong =
"unspecified"
url =
"unspecified"
}
复制python module到ganglia部署目录
mkdir
/usr/local/ganglia/lib64/ganglia/python_modules
cp
.
/gmond/python_modules/
*/*.py
/usr/local/ganglia/lib64/ganglia/python_modules
安装程序ganglia-3.6.0默认提供了一些python module的配置文件,只需要部署到 /usr/local/ganglia/etc/conf.d 目录下面即可生效
若对默认提供的这些监控脚本不太关心,可以跳过下面这步:
cp
.
/gmond/python_modules/conf
.d/*.pyconf
/usr/local/ganglia/etc/conf
.d
启动gmond服务,并设为开机自动运行
service gmond restart
chkconfig --add gmond
7.监控页面
http://192.168.56.10/ganglia/
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