Puppet users - Feb 2012 - Puppet apache config for vhost

Hi there puppeters :),

I hope you can help me with a situation. Namely, I will use puppet to
deploy many (I mean really many) nodes with Apache installed. The
problem I have is that for now the only way to create a vhost with a
specified ServerName is to issue the server name in the main
puppetmaster file (site.pp). It looks something like this:

        case $::hostname {
                hostname1: {vhost_default {
''hostname1.domain'': }}
                hostname2: {vhost_default {
''hostname2.domain'': }}

Is there a way of creating a vhost file without having to issue the
name. Meaning, that the puppetmaster reads the hostname and writes it
by itself into the template. The template looks as follows (only the
important part):

<VirtualHost *:80>
    ServerName <%= fqdn %>
    ServerAlias www.<%= fqdn %>

And the init.pp for apache with the template portion:
define vhost_default() {

	file { "/etc/apache2/sites-available/domain.conf":
		owner 	=> ''root'',
		group 	=> ''root'',
		mode  	=> 644,
		content => template( ''apache/default_vhost.erb'' ),
		require => [ Package[ ''apache2'' ] ]

Thanks in advance.

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On Tue, Feb 28, 2012 at 5:06 AM, Danijel Krmar <krmard@gmail.com> wrote:
> Hi there puppeters :),
>
> I hope you can help me with a situation. Namely, I will use puppet to
> deploy many (I mean really many) nodes with Apache installed. The
> problem I have is that for now the only way to create a vhost with a
> specified ServerName is to issue the server name in the main
> puppetmaster file (site.pp). It looks something like this:
>
>        case $::hostname {
>                hostname1: {vhost_default {
''hostname1.domain'': }}
>                hostname2: {vhost_default {
''hostname2.domain'': }}
>
> Is there a way of creating a vhost file without having to issue the
> name. Meaning, that the puppetmaster reads the hostname and writes it
> by itself into the template. The template looks as follows (only the
> important part):
>
> <VirtualHost *:80>
>    ServerName <%= fqdn %>
>    ServerAlias www.<%= fqdn %>
>
> And the init.pp for apache with the template portion:
> define vhost_default() {
>
>        file { "/etc/apache2/sites-available/domain.conf":
>                owner   => ''root'',
>                group   => ''root'',
>                mode    => 644,
>                content => template(
''apache/default_vhost.erb'' ),
>                require => [ Package[ ''apache2'' ] ]
>
> Thanks in advance.
>
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>
>
You might want to use a parametrized class instead of the define, there is
a discussion in removing or not from future puppet releases[1]

so instead of the:
define vhost_default() {

you will have:
class vhost($name) {

And you will make reference to it as
class { "vhost": name => $fqdn }

You can put this into another more generic class and just include in your
node reference.
class vhost_default {
  class { "vhost": name => $fqdn }
}

node foo {
  include vhost_default
}

[1]
http://groups.google.com/group/puppet-users/browse_thread/thread/627731283dcc4a6b/f37ab68fa1797e6b

-- 
Tony
http://blog.tonyskapunk.net

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On 02/28/2012 06:45 AM, Tony G. wrote:
> 
> You might want to use a parametrized class instead of the define, there
> is a discussion in removing or not from future puppet releases[1]
No, you''ve misunderstood.  The ''defined()'' function
is/was under
consideration for removal.  That''s not the same as a
''define'' resource,
nor is a paramaterized class a replacement for a define.

As much as I hate telling people to RTFM, this explains the differences
much better than I can:
http://docs.puppetlabs.com/guides/language_guide.html#resource-collections

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