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93 lines
2.9 KiB
Ruby
93 lines
2.9 KiB
Ruby
#
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# Author:: Seth Chisamore <schisamo@opscode.com>
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# Cookbook Name:: chef_handler
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# Provider:: default
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#
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# Copyright:: 2011-2013, Opscode, Inc <legal@opscode.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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def whyrun_supported?
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true
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end
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action :enable do
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# use load instead of require to ensure the handler file
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# is reloaded into memory each chef run. fixes COOK-620
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handler = nil
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converge_by("load #{@new_resource.source}") do
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begin
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Object.send(:remove_const, klass)
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GC.start
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rescue
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Chef::Log.debug("#{@new_resource.class_name} has not been loaded.")
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end
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file_name = @new_resource.source
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file_name << ".rb" unless file_name =~ /.*\.rb$/
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load file_name
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handler = klass.send(:new, *collect_args(@new_resource.arguments))
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end
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@new_resource.supports.each do |type, enable|
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if enable
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# we have to re-enable the handler every chef run
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# to ensure daemonized Chef always has the latest
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# handler code. TODO: add a :reload action
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converge_by("enable #{@new_resource} as a #{type} handler") do
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Chef::Log.info("Enabling #{@new_resource} as a #{type} handler")
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Chef::Config.send("#{type}_handlers").delete_if { |v| v.class.to_s.include? @new_resource.class_name.split('::', 3).last }
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Chef::Config.send("#{type}_handlers") << handler
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end
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end
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end
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end
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action :disable do
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@new_resource.supports.each_key do |type|
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if enabled?(type)
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converge_by("disable #{@new_resource} as a #{type} handler") do
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Chef::Log.info("Disabling #{@new_resource} as a #{type} handler")
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Chef::Config.send("#{type}_handlers").delete_if { |v| v.class.to_s.include? @new_resource.class_name.split('::', 3).last }
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end
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end
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end
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end
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def load_current_resource
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@current_resource = Chef::Resource::ChefHandler.new(@new_resource.name)
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@current_resource.class_name(@new_resource.class_name)
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@current_resource.source(@new_resource.source)
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@current_resource
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end
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private
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def enabled?(type)
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Chef::Config.send("#{type}_handlers").select do |handler|
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handler.class.to_s.include? @new_resource.class_name
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end.size >= 1
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end
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def collect_args(resource_args = [])
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if resource_args.is_a? Array
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resource_args
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else
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[resource_args]
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end
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end
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def klass
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@klass ||= begin
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@new_resource.class_name.split('::').inject(Kernel) { |scope, const_name| scope.const_get(const_name) }
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end
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end
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