On Fri, Jan 21, 2011 at 11:13 AM, Dick Davies
<rasput...@hellooperator.net>wrote:
> Thanks for point 2, much appreciated. Is the 'global' validate
> option documented anywhere?
>
ummm.. maybe.
> on point 1, using the 'ensurable' magic means I don't have anywhere
> to stick the defaultto keyword (I tried
>
> ensurable do
> defaultto 'present'
> end
>
>
> but didn't seem to do the trick (blows up with a
> "change from present to present failed: The rabbitmq_user provider can not
> handle attribute ensure" . Am I out of luck without an
> explicit newparam{} block to work in?
>
> On Fri, Jan 21, 2011 at 4:40 PM, Dan Bode <d...@puppetlabs.com> wrote:
>
>>
>>
>> On Fri, Jan 21, 2011 at 8:31 AM, Dick Davies <rasput...@hellooperator.net
>> > wrote:
>>
>>> I've almost finished a pretty simple type/provider to manage
>>> RabbitMQ users and virtual hosts.
>>> I'm using the 'ensurable' keyword in my type to save a bit of
>>> boilerplate.
>>>
>>> Type is below (the provider is just a wrapper around the 'rabbitmqctl'
>>> command.
>>>
>>> Have a feeling there's a developer guide somewhere I haven't found
>>> (been working from the puppetlabs site and @kartars blog).
>>> Couple of basic questions:
>>>
>>> 1. how can I set the type to default to 'ensure => present, isadmin =>
>>> false' ?
>>> Not sure if the ensurable mechanism is causing the first to be hard,
>>> but I can't see a way to set defaults in general
>>>
>>
>> you can call the defaultto method in the param/property.
>>
>>
>>> 2. is there a way to mark attributes as required?
>>>
>>
>> unfortunately not in the param/property blocks, there is supposed to be a
>> method called isrequired,but it does not work. You can do this with the
>> validate method on the type
>>
>>
>>
>>> I've provided a validation for the initial_password parameter, but it
>>> only seems to fire if the parameter is there;
>>> it doesn't get checked if the parameter is absent.
>>>
>>>
>>>
>>
>>> =======================================================
>>> # cat lib/puppet/type/rabbitmq_user.rb
>>> Puppet::Type.newtype(:rabbitmq_user) do
>>> @doc = "Manage RabbitMQ users"
>>>
>>> ensurable
>>>
>>> newparam(:name) do
>>> desc "The name of the user"
>>>
>>> validate do |n|
>>> raise ArgumentError, "cannot be empty" if n.empty?
>>> raise ArgumentError, "can't contain spaces" if ( n =~ %r(\s+) )
>>> resource[:provider] = :rabbitmq_user
>>> end
>>>
>>> isnamevar
>>> end
>>>
>>> newparam(:initial_password) do
>>> desc "the password for the user - only set on creation time"
>>>
>>> defaultto 'foo'
>>
>>
>>> validate do |n|
>>> raise ArgumentError, "cannot be empty" if (n.empty? or n.nil?)
>>> resource[:provider] = :rabbitmq_user
>>> end
>>> end
>>>
>>
>> validate do
>> raise ArgumentError "initial_password is a required param" unless
>> self[:initial_password]
>> end
>>
>>> end
>>>
>>> ===================================================
>>>
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