On Fri, Oct 15, 2010 at 5:05 AM, Felix Frank
<felix.fr...@alumni.tu-berlin.de> wrote:
> On 10/14/2010 05:06 AM, Nigel Kersten wrote:
>> On Wed, Oct 13, 2010 at 10:56 AM, EAMiller <thn...@gmail.com> wrote:
>>> Hi all - new to puppet - and have gotten as far as configuring a
>>> staging server with two of our web apps through puppet.
>>>
>>> Now we plan to have developer workstations get dev environments
>>> through puppet. We have ~8 developers and ~5 web apps we develop. Not
>>> every developer works on every project.
>>>
>>> From my limited experience with puppet I plan to:
>>> 1. Ask each developer what their workstation is called, and which
>>> apps they work on
>>> 2. Create a stanza in node.pp along the lines of:
>>>
>>> node "devstation-bob" inherits "default" {
>>> include appB;
>>> include abbE;
>>> }
>>>
>>> This is fine for my purposes - but I wonder if there's a better way -
>>> I can't imagine scaling the up too far.
>>
>> Write a custom fact that reads a simple data source like a text file
>> that the developers can write to like:
>>
>> (tested briefly, may have bugs)
>>
>> webapps_conf = "/etc/webapps.conf"
>>
>> if File.readable?(webapps_conf)
>> f = File.open(webapps_conf, 'r')
>> f.readlines.each do |line|
>> webapp = line.chomp
>> Facter.add("webapp_#{webapp}_enabled") do
>> setcode do
>> "true"
>> end
>> end
>> end
>> f.close
>> end
>>
>> and then you'll have a data source the developers can control that
>> specifies what apps they work on, and you can do conditional work in
>> your manifests based upon these values.
>>
>> if $webapp_bar_enabled == "true" {
>> include webapps::bar
>> }
>
> Hi,
>
> custom facts sure are elegant, but isn't this problem exactly what
> extlookup has been conceived for?
>
> This is an actual question I'm asking since i've not yet managed to
> properly acquaint myself with the concept.
Not necessarily. This is about providing local controls so machine
owners can manipulate behavior, rather than a central authoritative
store.
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