I have been doing something with puppet that is working for me 100% but I
am not sure this is the best way to be doing things and wanted to see what
the community feels about it and if anyone has any suggestions. This
problems relates to me having a common 'base' class which I put common
server configuration in to be distributed to all my servers. The example I
am using is with NTP clients and NTP server.
In my base class I have something like this:
"include ntp"
The issue with this is that the NTP clients and servers need to have
different ntp.conf files. For example, I want the NTP clients to be
configured to use the local NTP server as their NTP server, and my local
NTP server to use CentOS's NTP servers. I have been using some basic if
else logic to deal with this to give it the appropriate server or client
file. Is this the best way to do this? Are there better ways to do this
besides doing an 'include ntp::client' for every node in my nodes.pp. I
like my nodes.pp to be clean and organizes.
*class ntp inherits ntp::params* {
package { "ntp":
ensure => "installed"
}
# Black magic to automatically detect the NTP servers and set them as
servers
# This works by the params class. If that server's IP is in the
ntp_servers array,
# it will be setup as an NTP server.
if $::ipaddress in $ntp_servers {
# NTP Server Stuff
file { "/etc/ntp.conf":
owner => 'root',
group => 'root',
mode => 0444,
source => ["puppet:///modules/ntp/ntp.conf.$::hostname",
"puppet:///modules/ntp/ntp.conf.server"],
require => Package["ntp"],
}
file { "/etc/ntp/step-tickers":
owner => 'root',
group => 'root',
mode => 0444,
source => "puppet:///ntp/step-tickers.server",
require => Package["ntp"],
}
}
else{
# This is for regular NTP clients
file {"/etc/ntp.conf":
owner => 'root',
group => 'root',
mode => 0444,
require => Package["ntp"],
content => template("ntp/ntp.conf.erb"),
}
file {'/etc/ntp/step-tickers':
owner => 'root',
group => 'root',
mode => 0444,
require => Package["ntp"],
content => template("ntp/step-tickers.erb"),
}
}
service { "ntpd":
enable => true,
ensure => "running",
hasrestart => true,
hasstatus => true,
require => Package["ntp"],
}
exec { "ntpd restart":
path => ["/etc/init.d"],
subscribe => [
File["/etc/ntp/step-tickers"]
],
refreshonly => true,
}
}
*class ntp::params* {
case $::environment {
'production': { $ntp_servers = ['192.168.20.103','192.168.20.115'] }
default: { $ntp_servers =
['192.168.5.10','192.168.10.248','192.168.10.247' ] }
}
}
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