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

    desc "Provider for management of IPMP interfaces for Oracle Solaris"

    confine :operatingsystem => [:solaris]

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

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

    def self.instances

        ifaces = []

            name, linkclass, over = line.strip().split(":", 3)

            next if linkclass != "ipmp"

            ifaces << new(:name => name.strip(),

                          :ensure => :present,

                          :interfaces => over)

        end

        ifaces

    end

    def self.prefetch(resources)

        # pull the instances on the system

        ifaces = instances

        # set the provider for the resource to set the property_hash

        resources.keys.each do |name|

            if provider = ifaces.find{ |iface| iface.name == name}

                resources[name].provider = provider

            end

        end

    end

    def interfaces

        @property_hash[:interfaces]

    end

    def interfaces=(value)

        current = self.interfaces.split()

        remove_list = []

        for entry in current - value

            remove_list << "-i" << entry

        end

        add_list = []

        for entry in value - current

            add_list << "-i" << entry

        end

        if not add_list.empty?

            ipadm("add-ipmp", add_list, @resource[:name])

        end

        if not remove_list.empty?

            ipadm("remove-ipmp", remove_list, @resource[:name])

        end

    end

    def add_options

        options = []

        if @resource[:temporary] == :true

            options << "-t"

        end

        for iface in @resource[:interfaces] do

            options << "-i" << iface

        end

        options

    end

    def exists?

        @property_hash[:ensure] == :present

    end

    def create

        ipadm('create-ipmp', add_options, @resource[:name])

    end

    def destroy

            ipadm("remove-ipmp", "-i", iface, @resource[:name])

        end

        ipadm('delete-ipmp', @resource[:name])

    end

end