http://soimasysadmin.com/2012/02/29/puppet-inheritance-revisited/ is one
I've got bookmarked...
HTH
Gav
On 9 April 2013 10:54, ForumUser <p....@cmcmarkets.com> wrote:
> Hi Gavin,
>
> Can you suggest any URL where I could read about ::params classes (and
> examples of course ;-) ) ?
>
> On Tuesday, 9 April 2013 10:47:40 UTC+1, Gavin Williams wrote:
>>
>> Hi there,
>>
>> I think you're quickest win for making the code cleaner and easier would
>> be to create a ::params class, which sets the correct values for package,
>> file and service based on your distro.
>>
>> Can then inherit this class on your ::install, ::config and ::service
>> classes.
>>
>> I'm sure other people will chime in with some other ideas aswell :)
>>
>> HTH
>>
>> Gav
>>
>> On Tuesday, 9 April 2013 10:36:51 UTC+1, ForumUser wrote:
>>>
>>> Hello all,
>>>
>>> I am trying to write a syslog module for our small puppet installation.
>>> Since I'd like to learn how to write puppet classes/modules I would avoid
>>> modules from puppet labs forge (at least for now).
>>>
>>> This module is going to be deployed on RH 5 _and_ 6.
>>> In our infrastructure each RH line (5 or 6) is configured differently:
>>> RH 5 uses sysklogd, RH 6 uses rsyslog.
>>>
>>> I have written a class but as you can see it has a lot of redundant code.
>>> Can I use any puppet syntax to make it more elegant (and easier to
>>> maintain :-) ) ?
>>> Can you suggest anything ?
>>>
>>> class syslog::install {
>>> case $lsbmajdistrelease {
>>> '5': {
>>> ** package { "sysklogd":
>>> ** ensure => present,
>>> ** }
>>> }
>>>
>>> '6': {
>>> ** package { "rsyslog":
>>> ** ensure => present,
>>> ** }
>>> }
>>> }
>>> }
>>>
>>> class syslog::config {
>>> case $lsbmajdistrelease {
>>> '5': {
>>> ** file { "/etc/syslog.conf":
>>> ** ensure => present,
>>> ** owner => 'root',
>>> ** group => 'root',
>>> ** mode => 0644,
>>> ** source =>
>>> "puppet:///modules/syslog/**syslog.conf",
>>> ** require =>
>>> Class["syslog::install"],
>>> ** notify =>
>>> Class["syslog::service"],
>>> ** }
>>> }
>>>
>>> '6': {
>>> ** file { "/etc/rsyslog.conf":
>>> ** ensure => present,
>>> ** owner => 'root',
>>> ** group => 'root',
>>> ** mode => 0644,
>>> ** source =>
>>> "puppet:///modules/syslog/**rsyslog.conf",
>>> ** require =>
>>> Class["syslog::install"],
>>> ** notify =>
>>> Class["syslog::service"],
>>> ** }
>>> }
>>> }
>>> }
>>>
>>> class syslog::service {
>>> case $lsbmajdistrelease {
>>> '5': {
>>> ** service { "syslog":
>>> ** ensure => runing,
>>> ** enable => true,
>>> ** require =>
>>> Class["syslog::config"],
>>> ** }
>>> }
>>>
>>> '6': {
>>> ** service { "rsyslog":
>>> ** ensure => runing,
>>> ** enable => true,
>>> ** require =>
>>> Class["syslog::config"],
>>> ** }
>>> }
>>> }
>>> }
>>>
>>>
>>> class syslog {
>>> include syslog::install, syslog::config, syslog::service
>>> }
>>>
>>>
>>> Thanks in advance :-)
>>> Przemek
>>>
>>> --
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