1 files changed, 68 insertions, 0 deletions
diff --git a/lib/chef/provider/group/usermod.rb b/lib/chef/provider/group/usermod.rb
new file mode 100644
index 0000000000..f0a9282831
--- /dev/null
+++ b/lib/chef/provider/group/usermod.rb
@@ -0,0 +1,68 @@
+#
+# Author:: AJ Christensen (<aj@opscode.com>)
+# Copyright:: Copyright (c) 2008 OpsCode, Inc.
+# 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/provider/group/groupadd'
+
+class Chef
+  class Provider
+    class Group
+      class Usermod < Chef::Provider::Group::Groupadd
+        
+        def load_current_resource
+          super
+        end
+
+        def define_resource_requirements
+          super
+
+          requirements.assert(:all_actions) do |a| 
+            a.assertion { ::File.exists?("/usr/sbin/usermod") } 
+            a.failure_message Chef::Exceptions::Group, "Could not find binary /usr/sbin/usermod for #{@new_resource}"
+            # No whyrun alternative: this component should be available in the base install of any given system that uses it
+          end
+
+          requirements.assert(:modify, :create) do |a|
+            a.assertion { @new_resource.members.empty? || @new_resource.append } 
+            a.failure_message Chef::Exceptions::Group, "setting group members directly is not supported by #{self.to_s}, must set append true in group"
+            # No whyrun alternative - this action is simply not supported.
+          end
+        end
+        
+        def modify_group_members
+          case node[:platform]
+          when "openbsd", "netbsd", "aix", "solaris2"
+            append_flags = "-G"
+          when "solaris"
+            append_flags = "-a -G"
+          end
+
+          unless @new_resource.members.empty?
+            if(@new_resource.append)
+              @new_resource.members.each do |member|
+                Chef::Log.debug("#{@new_resource} appending member #{member} to group #{@new_resource.group_name}")
+                run_command(:command => "usermod #{append_flags} #{@new_resource.group_name} #{member}" )
+              end
+            end
+          else
+            Chef::Log.debug("#{@new_resource} not changing group members, the group has no members")
+          end
+        end
+      end
+    end
+  end
+end