#

# CDDL HEADER START

#

# The contents of this file are subject to the terms of the

# Common Development and Distribution License (the "License").

# You may not use this file except in compliance with the License.

#

# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

# or http://www.opensolaris.org/os/licensing.

# See the License for the specific language governing permissions

# and limitations under the License.

#

# When distributing Covered Code, include this CDDL HEADER in each

# file and include the License file at usr/src/OPENSOLARIS.LICENSE.

# If applicable, add the following below this CDDL HEADER, with the

# fields enclosed by brackets "[]" replaced with your own identifying

# information: Portions Copyright [yyyy] [name of copyright owner]

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# Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

#

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

    desc "Provider for managing Oracle Solaris link properties"

    confine :operatingsystem => [:solaris]

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

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

    def initialize(value={})

        super(value)

        @linkprops = {}

    end

    def self.instances

        dladm("show-link", "-p", "-o", "link").

        split("\n").collect do |link|

            props = {}

            dladm("show-linkprop", "-c", "-o", "property,value",

                  link.strip()).split("\n").collect do |line|

                next if line.strip.end_with? ":"

                data = line.split(":", 2)

                name, value = data

                props[name] = value.delete("\\")  # remove the escape character

            end

            new(:name => link.strip(),

                :ensure => :present,

                :properties => props)

        end

    end

    def self.prefetch(resources)

        instances.each do |prov|

            if resource = resources[prov.name]

                resource.provider = prov

            end

        end

    end

    def properties

        @property_hash[:properties]

    end

    def properties=(value)

        dladm("set-linkprop", add_properties(value), @resource[:name])

    end

    def add_properties(props)

        a = []

        props.each do |key, value|

            a << "#{key}=#{value}"

        end

        properties = Array["-p", a.join(",")]

    end

    def exists?

        if @resource[:properties] == nil

            return :false

        end

        @resource[:properties].each do |key, value|

            p = exec_cmd(command(:dladm), "show-linkprop", @resource[:link],

                         "-c", "-p", key, "-o", "value")

            if p[:exit] == 1

                Puppet.warning "Property '#{key}' not found for link " \

                               "#{@resource[:link]}"

                next

            end

            if p[:out].strip != value

                @linkprops[key] = value

            end

        end

        return @linkprops.empty?

    end

    def create

        if @linkprops

            dladm("set-linkprop", add_properties(@linkprops), @resource[:link])

        end

    end

    def exec_cmd(*cmd)

        output = Puppet::Util::Execution.execute(cmd, :failonfail => false)

        {:out => output, :exit => $CHILD_STATUS.exitstatus}

    end

end