+#
+# Cookbook Name:: munin
+# Provider:: munin_plugin
+#
+# Copyright 2013, OpenStreetMap Foundation
+#
+# 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.
+#
+
+def whyrun_supported?
+ true
+end
+
+action :create do
+ link_action = case target_path
+ when nil then :delete
+ else :create
+ end
+
+ l = link plugin_path do
+ action link_action
+ to target_path
+ notifies :restart, "service[munin-node]"
+ end
+
+ updated = l.updated_by_last_action?
+
+ if new_resource.conf
+ c = munin_plugin_conf new_resource.name do
+ cookbook new_resource.conf_cookbook
+ template new_resource.conf
+ variables new_resource.conf_variables
+ end
+
+ updated = updated || c.updated_by_last_action?
+ end
+
+ new_resource.updated_by_last_action(updated)
+end
+
+action :delete do
+ l = link plugin_path do
+ action :delete
+ notifies :restart, "service[munin-node]"
+ end
+
+ updated = l.updated_by_last_action?
+
+ if new_resource.conf
+ c = munin_plugin_conf new_resource.name do
+ action :delete
+ end
+
+ updated = updated || c.updated_by_last_action?
+ end
+
+ new_resource.updated_by_last_action(updated)
+end
+
+def plugin_path
+ "/etc/munin/plugins/#{new_resource.name}"
+end
+
+def target_path
+ case
+ when ::File.exists?(target)
+ target
+ when ::File.exists?("/usr/local/share/munin/plugins/#{target}")
+ "/usr/local/share/munin/plugins/#{target}"
+ when ::File.exists?("/usr/share/munin/plugins/#{target}")
+ "/usr/share/munin/plugins/#{target}"
+ else
+ nil
+ end
+end
+
+def target
+ new_resource.target || new_resource.name
+end