From 09e5083a36632d53e388446d0517a5c2bccd2b24 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Sun, 24 Nov 2013 17:35:34 +0000
Subject: [PATCH] Convert apache_module to an LWRP

---
 cookbooks/apache/definitions/apache_module.rb |  70 ------------
 cookbooks/apache/providers/module.rb          | 103 ++++++++++++++++++
 cookbooks/apache/resources/module.rb          |  26 +++++
 3 files changed, 129 insertions(+), 70 deletions(-)
 delete mode 100644 cookbooks/apache/definitions/apache_module.rb
 create mode 100644 cookbooks/apache/providers/module.rb
 create mode 100644 cookbooks/apache/resources/module.rb

diff --git a/cookbooks/apache/definitions/apache_module.rb b/cookbooks/apache/definitions/apache_module.rb
deleted file mode 100644
index beb43b2ef..000000000
--- a/cookbooks/apache/definitions/apache_module.rb
+++ /dev/null
@@ -1,70 +0,0 @@
-#
-# Cookbook Name:: apache
-# Definition:: apache_module
-#
-# Copyright 2010, 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.
-#
-
-define :apache_module, :action => [ :install, :enable ], :variables => {} do
-  name = params[:name]
-  module_action = params[:action]
-
-  if params[:package].nil? or params[:package].empty?
-    package_name = "libapache2-mod-#{name}"
-  else
-    package_name = params[:package]
-  end
-
-  if module_action.include?(:install)
-    package package_name do
-      action :install
-      not_if { File.exists?("/etc/apache2/mods-available/#{name}.load") }
-    end
-
-    if params[:conf]
-      template "/etc/apache2/mods-available/#{name}.conf" do
-        source params[:conf]
-        owner "root"
-        group "root"
-        mode 0644
-        variables params[:variables]
-        if File.exists?("/etc/apache2/mods-enabled/#{name}.load")
-          notifies :reload, "service[apache2]"
-        end
-      end
-    end
-  end
-
-  if module_action.include?(:enable)
-    execute "a2enmod-#{name}" do
-      command "/usr/sbin/a2enmod #{name}"
-      notifies :restart, "service[apache2]"
-      not_if { File.exists?("/etc/apache2/mods-enabled/#{name}.load") }
-    end
-  elsif module_action.include?(:disable) or module_action.include?(:remove)
-    execute "a2dismod-#{name}" do
-      command "/usr/sbin/a2dismod #{name}"
-      notifies :restart, "service[apache2]"
-      only_if { File.exists?("/etc/apache2/mods-enabled/#{name}.load") }
-    end
-  end
-
-  if module_action.include?(:remove)
-    package package_name do
-      action :remove
-      only_if { File.exists?("/etc/apache2/mods-available/#{name}.load") }
-    end
-  end
-end
diff --git a/cookbooks/apache/providers/module.rb b/cookbooks/apache/providers/module.rb
new file mode 100644
index 000000000..29ef1621c
--- /dev/null
+++ b/cookbooks/apache/providers/module.rb
@@ -0,0 +1,103 @@
+#
+# Cookbook Name:: apache
+# Provider:: apache_module
+#
+# 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 :install do
+  p = package package_name do
+    action :install
+    not_if { ::File.exists?(available_name("load")) }
+  end
+
+  updated = p.updated_by_last_action?
+
+  if new_resource.conf
+    t = template available_name("conf") do
+      source new_resource.conf
+      owner "root"
+      group "root"
+      mode 0644
+      variables new_resource.variables
+      notifies :reload, "service[apache2]" if enabled?
+    end
+
+    updated = updated || t.updated_by_last_action?
+  end
+
+  new_resource.updated_by_last_action(updated)
+end
+
+action :enable do
+  l = link enabled_name("load") do
+    to available_name("load")
+    owner "root"
+    group "root"
+    notifies :restart, "service[apache2]"
+  end
+
+  c = link enabled_name("conf") do
+    to available_name("conf")
+    owner "root"
+    group "root"
+    notifies :reload, "service[apache2]"
+    only_if { ::File.exists?(available_name("conf")) }
+  end
+
+  new_resource.updated_by_last_action(l.updated_by_last_action? || c.updated_by_last_action?)
+end
+
+action :disable do
+  l = link enabled_name("load") do
+    action :delete
+    notifies :restart, "service[apache2]"
+  end
+
+  c = link enabled_name("conf") do
+    action :delete
+    notifies :reload, "service[apache2]"
+  end
+
+  new_resource.updated_by_last_action(l.updated_by_last_action? || c.updated_by_last_action?)
+end
+
+action :delete do
+  p = package package_name do
+    action :remove
+  end
+
+  new_resource.updated_by_last_action(p.updated_by_last_action?)
+end
+
+def package_name
+  new_resource.package || "libapache2-mod-#{new_resource.name}"
+end
+
+def available_name(extension)
+  "/etc/apache2/mods-available/#{new_resource.name}.#{extension}"
+end
+
+def enabled_name(extension)
+  "/etc/apache2/mods-enabled/#{new_resource.name}.#{extension}"
+end
+
+def enabled?
+  ::File.exists?(enabled_name("load"))
+end
diff --git a/cookbooks/apache/resources/module.rb b/cookbooks/apache/resources/module.rb
new file mode 100644
index 000000000..f2d95551e
--- /dev/null
+++ b/cookbooks/apache/resources/module.rb
@@ -0,0 +1,26 @@
+#
+# Cookbook Name:: apache
+# Resource:: apache_module
+#
+# 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.
+#
+
+actions :install, :enable, :disable, :remove
+default_action [:install, :enable]
+
+attribute :name, :kind_of => String, :name_attribute => true
+attribute :package, :kind_of => String
+attribute :conf, :kind_of => String
+attribute :variables, :kind_of => Hash, :default => {}
-- 
2.39.5