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#
# Author:: Jason K. Jackson (jasonjackson@gmail.com)
# Copyright:: Copyright (c) 2009 Jason K. Jackson
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/log'
require 'chef/mixin/command'
require 'chef/provider'
require 'chef/exceptions'
require 'erb'
# Recipe example:
#
# int = {Hash with your network settings...}
#
# ifconfig int['ip'] do
# ignore_failure true
# device int['dev']
# mask int['mask']
# gateway int['gateway']
# mtu int['mtu']
# end
class Chef
class Provider
class Ifconfig < Chef::Provider
include Chef::Mixin::Command
def whyrun_supported?
true
end
def load_current_resource
@current_resource = Chef::Resource::Ifconfig.new(@new_resource.name)
@ifconfig_success = true
@interfaces = {}
@status = popen4("ifconfig") do |pid, stdin, stdout, stderr|
stdout.each do |line|
if !line[0..9].strip.empty?
@int_name = line[0..9].strip
@interfaces[@int_name] = {"hwaddr" => (line =~ /(HWaddr)/ ? ($') : "nil").strip.chomp }
else
@interfaces[@int_name]["inet_addr"] = (line =~ /inet addr:(\S+)/ ? ($1) : "nil") if line =~ /inet addr:/
@interfaces[@int_name]["bcast"] = (line =~ /Bcast:(\S+)/ ? ($1) : "nil") if line =~ /Bcast:/
@interfaces[@int_name]["mask"] = (line =~ /Mask:(\S+)/ ? ($1) : "nil") if line =~ /Mask:/
@interfaces[@int_name]["mtu"] = (line =~ /MTU:(\S+)/ ? ($1) : "nil") if line =~ /MTU:/
@interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? ($1) : "nil") if line =~ /Metric:/
end
if @interfaces.has_key?(@new_resource.device)
@interface = @interfaces.fetch(@new_resource.device)
@current_resource.target(@new_resource.target)
@current_resource.device(@int_name)
@current_resource.inet_addr(@interface["inet_addr"])
@current_resource.hwaddr(@interface["hwaddr"])
@current_resource.bcast(@interface["bcast"])
@current_resource.mask(@interface["mask"])
@current_resource.mtu(@interface["mtu"])
@current_resource.metric(@interface["metric"])
end
end
end
@current_resource
end
def define_resource_requirements
requirements.assert(:all_actions) do |a|
a.assertion { @status.exitstatus == 0 }
a.failure_message Chef::Exceptions::Ifconfig, "ifconfig failed - #{@status.inspect}!"
# no whyrun - if the base ifconfig used in load_current_resource fails
# there's no reasonable action that could have been taken in the course of
# a chef run to fix it.
end
end
def action_add
# check to see if load_current_resource found interface in ifconfig
unless @current_resource.inet_addr
unless @new_resource.device == "lo"
command = "ifconfig #{@new_resource.device} #{@new_resource.name}"
command << " netmask #{@new_resource.mask}" if @new_resource.mask
command << " metric #{@new_resource.metric}" if @new_resource.metric
command << " mtu #{@new_resource.mtu}" if @new_resource.mtu
end
converge_by ("run #{command} to add #{@new_resource}") do
run_command(
:command => command
)
Chef::Log.info("#{@new_resource} added")
end
end
# Write out the config files
generate_config
end
def action_enable
# check to see if load_current_resource found ifconfig
# enables, but does not manage config files
unless @current_resource.inet_addr
unless @new_resource.device == "lo"
command = "ifconfig #{@new_resource.device} #{@new_resource.name}"
command << " netmask #{@new_resource.mask}" if @new_resource.mask
command << " metric #{@new_resource.metric}" if @new_resource.metric
command << " mtu #{@new_resource.mtu}" if @new_resource.mtu
end
converge_by ("run #{command} to enable #{@new_resource}") do
run_command(
:command => command
)
Chef::Log.info("#{@new_resource} enabled")
end
end
end
def action_delete
# check to see if load_current_resource found the interface
if @current_resource.device
command = "ifconfig #{@new_resource.device} down"
converge_by ("run #{command} to delete #{@new_resource}") do
run_command(
:command => command
)
delete_config
Chef::Log.info("#{@new_resource} deleted")
end
else
Chef::Log.debug("#{@new_resource} does not exist - nothing to do")
end
end
def action_disable
# check to see if load_current_resource found the interface
# disables, but leaves config files in place.
if @current_resource.device
command = "ifconfig #{@new_resource.device} down"
converge_by ("run #{command} to disable #{@new_resource}") do
run_command(
:command => command
)
Chef::Log.info("#{@new_resource} disabled")
end
else
Chef::Log.debug("#{@new_resource} does not exist - nothing to do")
end
end
def generate_config
b = binding
case node[:platform]
when "centos","redhat","fedora"
content = %{
<% if @new_resource.device %>DEVICE=<%= @new_resource.device %><% end %>
<% if @new_resource.onboot %>ONBOOT=<%= @new_resource.onboot %><% end %>
<% if @new_resource.bootproto %>BOOTPROTO=<%= @new_resource.bootproto %><% end %>
<% if @new_resource.target %>IPADDR=<%= @new_resource.target %><% end %>
<% if @new_resource.mask %>NETMASK=<%= @new_resource.mask %><% end %>
<% if @new_resource.network %>NETWORK=<%= @new_resource.network %><% end %>
<% if @new_resource.bcast %>BROADCAST=<%= @new_resource.bcast %><% end %>
<% if @new_resource.onparent %>ONPARENT=<%= @new_resource.onparent %><% end %>
}
template = ::ERB.new(content)
network_file_name = "/etc/sysconfig/network-scripts/ifcfg-#{@new_resource.device}"
converge_by ("generate configuration file : #{network_file_name}") do
network_file = ::File.new(network_file_name, "w")
network_file.puts(template.result(b))
network_file.close
end
Chef::Log.info("#{@new_resource} created configuration file")
when "debian","ubuntu"
# template
when "slackware"
# template
end
end
def delete_config
require 'fileutils'
case node[:platform]
when "centos","redhat","fedora"
ifcfg_file = "/etc/sysconfig/network-scripts/ifcfg-#{@new_resource.device}"
if ::File.exist?(ifcfg_file)
converge_by ("delete the #{ifcfg_file}") do
FileUtils.rm_f(ifcfg_file, :verbose => false)
end
end
when "debian","ubuntu"
# delete configs
when "slackware"
# delete configs
end
end
end
end
end
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