[Puppet Users] My first type/provider - does nothing...

[Daniel Kerwin]

Hi list,

i tried to write my first type and provider that should create logical
volumes. Seems like i'm missing something as i get nothing when i use
it: No errors and no logical volume :-(

type/logicalvolume.rb:
=================

Puppet::Type.newtype(:logicalvolume) do
    @doc = "Manage logical volumes"

    ensurable

    newparam(:lvname) do
        desc "The logcal volume's name"

        validate do |value|
            unless value =~ /^[a-z0-9]+/
                raise ArgumentError , "%s is not a valid lv name" %
value
            end
        end

        isnamevar

    end

    newparam(:size) do
        desc "The size in M or G"

        validate do |value|
            unless value =~ /^[0-9]+[MG]/
                raise ArgumentError , "%s is not a valid lv size" %
value
            end
        end
    end

    newparam(:vg) do
        desc "The volumevg to create the volume in"

        validate do |value|
            unless value =~ /^[a-z0-9]+/
                raise ArgumentError , "%s is not a valid lv name" %
value
            end
        end
    end
end

provider/logicalvolume/logicalvolume.rb
===============================

Puppet::Type.type(:logicalvolume).provide(:logicalvolume) do
    desc "LogicalVolume management"

    commands :lvcreate => "lvcreate"

    def create
        lvcreate "-L", resource[:size], "-n", resource[:name],
resource[:vg]
    end

    def destroy
        return true
    end

    def exists?
        return nil
    end
end

Test class Bozo
=============

class bozo {

    logicalvolume { "test01lv":
        size => "100M",
        vg   => "datavg",
        #provider => "logicalvolume",
    }

    file { "/tmp/lvtest":
        content => "aaa",
    }
}

The file is created and no notice about the volume. I checken my type
and provider and it seems to be ok:

ruby -rpuppet type/logicalvolume.rb
ruby -rpuppet provider/logicalvolume/logicalvolume.rb

It's my first try and it may be obvious to you but i just don't get
it.

Thanks,

Daniel

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