New experimental recipe gem_package which patches gem_package resource.

README.md

@@ -32,6 +32,18 @@ default vagrant user to the RVM unix group and installs a `chef-solo`
 wrapper script so Chef doesn't need to be re-installed in the default
 RVM Ruby.
 
+## gem_package
+
+An experimental recipe that patches the
+[gem_package resource](http://wiki.opscode.com/display/chef/Resources#Resources-Package)
+to use the `Chef::Provider::Package::RVMRubygems` provider. An attribute
+`rvm/gem_package/rvm_string` will determine which RVM ruby is used for
+install/remove/upgrade/purge actions. This may help when using a third
+party or upstream cookbook that assumes a non-RVM managed system ruby.
+
+**Warning:** Here be dragons! This is either brilliant or the dumbest idea
+ever, so feedback is appreciated.
+
 # USAGE
 
 # ATTRIBUTES
@@ -157,6 +169,12 @@ is an empty list.
 If using the `vagrant` recipe, this sets the path to the package-installed
 `chef-solo` binary. The default is `/usr/bin/chef-solo`.
 
+## `gem_package/rvm_string`
+
+If using the `gem_package` recipe, this determines which ruby will be used by the
+`gem_package` resource in other cookbooks. The default is the value of the
+`default_ruby` attribute.
+
 # RESOURCES AND PROVIDERS
 
 ## rvm_ruby

attributes/gem_package.rb

@@ -0,0 +1,23 @@
+#
+# Cookbook Name:: rvm
+# Attributes:: gem_package
+#
+# Author:: Fletcher Nichol <fnichol@nichol.ca>
+#
+# Copyright 2010, 2011, Fletcher Nichol
+#
+# 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.
+#
+
+# rvm ruby that will be used for gem_package resources
+default[:rvm][:gem_package][:rvm_string] = node[:rvm][:default_ruby]

libraries/gem_package_monkeypatch.rb

@@ -0,0 +1,34 @@
+#
+# Cookbook Name:: rvm
+# Library: gem_package resource monkey patch
+#
+# Author:: Fletcher Nichol <fnichol@nichol.ca>
+#
+# Copyright 2011, Fletcher Nichol
+#
+# 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.
+#
+
+##
+# Patch Chef::Reousrce::GemPackage resource to use the RVMRubygems provider.
+# This has potentially dangerous side effects and should be considered
+# experimental. You have been warned.
+def patch_gem_package
+  ::Chef::Resource::GemPackage.class_eval do
+    def initialize(name, run_context=nil)
+      super
+      @resource_name = :gem_package
+      @provider = Chef::Provider::Package::RVMRubygems
+    end
+  end
+end

libraries/rvm_rubygems_package.rb

@@ -54,24 +54,31 @@ def gem_platforms
 
         def initialize(new_resource, run_context=nil)
           super
-          @gem_env = RVMGemEnvironment.new(
-            gem_binary_path, new_resource.ruby_string)
+          @gem_env = RVMGemEnvironment.new(gem_binary_path, ruby_string)
+        end
+
+        def ruby_string
+          @ruby_string ||= if new_resource.respond_to?("ruby_string")
+            new_resource.ruby_string
+          else
+            node[:rvm][:gem_package][:rvm_string]
+          end
         end
 
         def install_package(name, version)
-          ruby_string = normalize_ruby_string(new_resource.ruby_string)
+          ruby_string_normalized = normalize_ruby_string(ruby_string)
 
           # ensure ruby is installed and gemset exists
-          e = rvm_environment ruby_string do
+          e = rvm_environment ruby_string_normalized do
             action :nothing
           end
           e.run_action(:create)
 
-          install_via_gem_command(name, version, new_resource.ruby_string)
+          install_via_gem_command(name, version)
           true
         end
 
-        def install_via_gem_command(name, version, ruby_string)
+        def install_via_gem_command(name, version)
           src = @new_resource.source &&
             "  --source=#{@new_resource.source} --source=http://rubygems.org"
 
@@ -82,10 +89,10 @@ def install_via_gem_command(name, version, ruby_string)
         end
 
         def remove_package(name, version)
-          uninstall_via_gem_command(name, version, new_resource.ruby_string)
+          uninstall_via_gem_command(name, version)
         end
 
-        def uninstall_via_gem_command(name, version, ruby_string)
+        def uninstall_via_gem_command(name, version)
           cmd = %{rvm #{ruby_string} #{gem_binary_path}}
           cmd << %{ uninstall #{name} -q -x -I}
           if version

recipes/gem_package.rb

@@ -0,0 +1,23 @@
+#
+# Cookbook Name:: rvm
+# Recipe:: gem_package
+#
+# Copyright 2011, Fletcher Nichol
+#
+# 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.
+#
+
+patch_gem_package
+::Chef::Log.info "gem_package resource has been patched to use provider " <<
+  "Chef::Provider::Package::RVMRubygems and will install gems to " <<
+  "the #{node[:rvm][:gem_package][:rvm_string]} RVM Ruby."