Puppet node节点的特性(十二)
前言:
生产机器很多通常会新建nodes.pp文件和site.pp文件平级,存放于/etc/puppet/manifests/nodes.pp文件,这种方法比较常用.当然也有其他办法直接写入site.pp文件.
nodes.pp文件主机匹配,支持正则表达式和继承.
//:正则匹配
"":精确匹配
inherits:继承
实例:
先正则匹配然后在精确匹配.
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node /sh- (proxy|web)\d+/ {
case $:: hostname {
"sh-proxy2" : {
include apache
user { "test1" :
ensure => present,
}
}
"sh-web1" : {
include nginx::nginxconf
}
}
} |
比如sh-proxy不止sh-proxy2一台,有50台也可以匹配操作:
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node /sh- (proxy|web)\d+/ {
case $:: hostname {
/sh-proxy \d+/: { #正则匹配
include apache
user { "test1" :
ensure => present,
}
}
"sh-web1" : {
include nginx::nginxconf
}
}
} |
测试agent端更新:
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[[email protected] puppet] # puppet agent -t
Info: Retrieving pluginfacts Info: Retrieving plugin Info: Caching catalog for sh-proxy2.localdomain
Info: Applying configuration version '1505706252'
Notice: /Stage [main] /Apache/Package [httpd] /ensure : created
Notice: Finished catalog run in 8.69 seconds
|
node节点继承(inherits)
1、新建一个admin模块,做selinux替换关闭.
/modules/admin/manifests/init.pp文件内容:
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class admin { exec { "selinux" :
command => "sed -i '/^SELINUX=/s/=.*/=disabled/g' /etc/sysconfig/selinux" ,
path => [ "/bin/" , "/sbin/" , "/usr/bin/" , "/usr/sbin/" ],
user => root,
group => root,
}
} |
注意:尝试定义类名'base'报错,现象:svn无法提交,但却可以更新,update后获取到master主机ip地址目录等信息,不确实是否和系统内置变量冲突.
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manifests /nodes .pp文件内容.
node base {
include admin
} |
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node /sh- (proxy|web)\d+/ inherits base {
case $:: hostname {
/sh-proxy \d+/: {
include apache
user { "test1" :
ensure => present,
}
}
"sh-web1" : {
include nginx::nginxconf
}
}
} |
注意:node节点名不能和模块名冲突,尝试定义为node admin,提交无报错,但是agent端无更新无修改无提示,修改为base以后agent端内容更新.
本文转自青衫解衣 51CTO博客,原文链接:http://blog.51cto.com/215687833/1966829