Don't fail when removing non-existing group member

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/chef/provider/group.rb b/lib/chef/provider/group.rb
index fcae24f8f9..8936bd2031 100644
--- a/lib/chef/provider/group.rb
+++ b/lib/chef/provider/group.rb
@@ -94,6 +94,7 @@ class Chef
           missing_members = []
           @new_resource.members.each do |member|
             next if has_current_group_member?(member)
+            validate_member!(member)
             missing_members << member
           end
           if missing_members.length > 0
@@ -122,6 +123,12 @@ class Chef
         @current_resource.members.include?(member)
       end
 
+      def validate_member!(member)
+        # Sub-classes can do any validation if needed
+        # and raise an error if validation fails
+        true
+      end
+
       def action_create
         case @group_exists
         when false