Puppet之DRBD初体验
首先，写这篇文章的目的是为了记录我的学习历程，可以与更多的人分享，希望给出更好的建议，帮助我来改进。1.因为管理puppet需要dns的配置，在这里我不做过多的介绍。
2.关于puppetmaster与puppetclient之间的证书认证，在这里我不做过多的介绍了，接下来进入主题。
DRBD的配置（debian）
首先需要更改一些puppetmaster里面的配置文件。首先我们进入到puppet的目录下：/etc/puppet/fileserver.conf
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path /etc/puppet
allow *.supcorp.lan
#deny *.evil.example.com
#allow 192.168.0.0/24
allow *.supcorp.lan
#deny *.evil.example.com
#allow 192.168.0.0/24
这样我们的puppetmaster可以作为一个文件服务器进行使用。
下面是我创建的模板，在etc\puppet\modules\drbd\manifests\init.pp写入一下的内容
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创建一个drbd的类
class drbd{
确保有drbd的安装包
package {
'drbd-utils':
ensure => installed
}
确保drbd的服务开启
service { 'drbd':
ensure => running,
enable => true,
hasstatus=> false,
hasrestart => true,
require => package['drbd-utils']
}
File {
mode => '0644',
owner => 'root',
group => 'root',
require => package['drbd-utils']
}
file {
'/etc/drbd.d':
ensure => directory,
mode => '0644',
purge => true,
require => package['drbd-utils']
}
file {
'/etc/drbd.d/first-storage.res':
content => template("drbd/first-storage.res.erb"),
require => service['drbd']
}
file {
'/etc/drbd.d/second-storage.res':
content => template("drbd/second-storage.res.erb"),
require => service['drbd']
}
Exec {path => ["/usr/bin","/usr/sbin","/bin","/sbin"],}
exec {
"drbdadm create-md ${storage}":
command => "drbdadm create-md ${storage}",
refreshonly=> true,
subscribe=> file["/etc/drbd.d/${storage}.res"],
require => file["/etc/drbd.d/${storage}.res"]
}
exec {
"drbdadm up ${storage}":
command => "drbdadm up ${storage}",
refreshonly=> true,
subscribe=> exec["drbdadm create-md ${storage}"],
require => file["/etc/drbd.d/${storage}.res"]
}
exec {
'drbd_make_primary':
command => "drbdadm -- --overwrite-data-of-peer primary all",
refreshonly=> true,
subscribe=> exec["drbdadm up ${storage}"],
require => service['drbd']
}
exec {
'drbdadm secondary all':
command => "drbdadm secondary all",
refreshonly=> true,
subscribe=> service['drbd'],
before => exec['drbd_make_primary']
}
exec {
"drbdadm primary --force ${storage}":
command => "drbdadm primary --force ${storage}",
require => package['drbd-utils']
}
exec {
"mkfs.ext3 ${dev}":
command => "mkfs.ext3 ${dev}",
path => ["/usr/bin","/usr/sbin","/bin","/sbin"],
require => exec["drbdadm primary --force ${storage}"]
}
}
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