Initial implementation for custom_arguments passed to Fog.

lib/chef/knife/cloud/fog/options.rb

@@ -20,9 +20,9 @@ def self.included(includer)
               :long => "--api-endpoint ENDPOINT",
               :description => "Your API endpoint. Eg, for Eucalyptus it can be 'http://ecc.eucalyptus.com:8773/services/Eucalyptus'",
               :proc => Proc.new { |endpoint| Chef::Config[:knife][:api_endpoint] = endpoint }
+
           end
         end
-
       end
     end
   end

lib/chef/knife/cloud/fog/service.rb

@@ -1,5 +1,6 @@
 #
 # Author:: Kaustubh Deorukhkar (<[email protected]>)
+# Author:: Prabhu Das (<[email protected]>)
 # Copyright:: Copyright (c) 2013 Opscode, Inc.
 #
 
@@ -46,6 +47,7 @@ def connection
         # cloud server specific implementation methods for commands.
         def create_server(options = {})
           begin
+            add_custom_attributes(options[:server_def])
             server = connection.servers.create(options[:server_def])
           rescue Excon::Errors::BadRequest => e
             response = Chef::JSONCompat.from_json(e.response.body)
@@ -121,6 +123,7 @@ def delete_server_on_failure(server = nil)
         def add_api_endpoint
           raise Chef::Exceptions::Override, "You must override add_api_endpoint in #{self.to_s} to add endpoint in auth_params for connection"
         end
+
       end
     end
   end

lib/chef/knife/cloud/server/options.rb

@@ -26,6 +26,11 @@ def self.included(includer)
               :short => "-N NAME",
               :long => "--node-name NAME",
               :description => "The name of the node and client to delete, if it differs from the server name. Only has meaning when used with the '--purge' option."
+
+            option :custom_attributes,
+              :long => "--custom-attributes CUSTOM_ATTRIBUTES",
+              :description => "Custom attributes to be passed to Fog.",
+              :proc => Proc.new {|args| Chef::Config[:knife][:custom_attributes] =  args.split(';').map{|keys| keys.split('=')}.map{|j| Hash[*j.map{|k| k.strip}]}}  
           end
         end
       end

lib/chef/knife/cloud/service.rb

@@ -68,6 +68,10 @@ def list_images(image_filters)
           raise Chef::Exceptions::Override, "You must override list_images in #{self.to_s}"
         end
 
+        def add_custom_attributes(server_def)
+          Chef::Config[:knife][:custom_attributes].map{|args| args.map{|k,v| server_def.merge!(k.to_sym => v)}} unless Chef::Config[:knife][:custom_attributes].nil?
+        end
+
       end # class service
     end
   end

spec/unit/fog_service_spec.rb

@@ -2,7 +2,6 @@
 # Copyright:: Copyright (c) 2013 Opscode, Inc.
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 require 'chef/knife/cloud/fog/service'
-
 require 'support/shared_examples_for_service'
 
 describe Chef::Knife::Cloud::FogService do
@@ -23,4 +22,20 @@
     end
 
   end
+
+  context "add_custom_attributes" do
+    before(:each) do
+      Chef::Config[:knife][:custom_attributes] = [{"state"=>"Inactive"}]
+      @server_def = {:name=>"vm-1", :image_ref=>"123",:flavor_ref=>"2", :key_name=>"key"}
+      instance.add_custom_attributes(@server_def)
+    end
+
+    it "adds the custom attributes provided to server_def" do
+      expect(@server_def.include?(:state)).to be true
+    end
+
+    it "sets the provided attributes with supplied values" do
+      expect(@server_def[:state] == "Inactive").to be true
+    end 
+  end
 end