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Diffstat (limited to 'lib/chef/provider/ifconfig.rb')
| -rw-r--r-- | lib/chef/provider/ifconfig.rb | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/lib/chef/provider/ifconfig.rb b/lib/chef/provider/ifconfig.rb new file mode 100644 index 0000000000..86680b2229 --- /dev/null +++ b/lib/chef/provider/ifconfig.rb @@ -0,0 +1,214 @@ +# +# 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 |