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Puppet::Type.type(:vnic).provide(:vnic) do

    desc "Provider for creating VNICs in the Solaris OS"

    confine :operatingsystem => [:solaris]

    defaultfor :osfamily => :solaris, :kernelrelease => ['5.11', '5.12']

    commands :dladm => '/usr/sbin/dladm'

    def self.instances

        dladm("show-vnic", "-p", "-o", "link,over,macaddress").split(

              "\n").collect do |line|

            link, over, mac = line.split(":", 3)

        end

    end

    def self.prefetch(resources)

        # pull the instances on the system

        vnics = instances

        # set the provider for the resource to set the property_hash

        resources.keys.each do |name|

            if provider = vnics.find{ |vnic| vnic.name == name}

                resources[name].provider = provider

            end

        end

    end

    def lower_link

        @property_hash[:lower_link]

    end

    def lower_link=(value)

        dladm("modify-vnic", "-l", value, @resource[:name])

    end

    def mac_address

        @property_hash[:mac_address]

    end

    def mac_address=(value)

        dladm("modify-vnic", "-m", value, @resource[:name])

    end

    def add_options

       options = []

       if @resource[:temporary] == :true

         options << "-t"

       end

       if @resource[:mac_address]

           options << "-m" << @resource[:mac_address]

       end

       options

    end

    def exists?

        @property_hash[:ensure] == :present

    end

    def create

        dladm('create-vnic', '-l', @resource[:lower_link], add_options,

              @resource[:name])

    end

    def destroy

        dladm('delete-vnic', @resource[:name])

    end

end