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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