fix user_enabled/tenant_enabled boolean TypeError

ERROR: Unable to create tenant 'service'
ERROR: Error was: can't convert true into String

Fixes bug 1184614

Change-Id: I28b751b30f9b2c90e7151b282ae62253383dca52

providers/register.rb

@@ -35,10 +35,8 @@ end
 private
 def identity_command resource, cmd, args={}
   keystonecmd = ['keystone'] << cmd
-  args.each { |key,val|
-    if val
-      keystonecmd << "--#{key}" << val
-    end
+  args.each { |key, val|
+    keystonecmd << "--#{key}" << val.to_s
   }
   Chef::Log.debug("Running identity command: #{keystonecmd}")
   rc = shell_out(keystonecmd, :env => generate_creds(resource))

spec/register_spec.rb

@@ -184,4 +184,22 @@ describe Chef::Provider::Execute do
     provider.run_action(:create_ec2_credentials)
     @ec2_resource.should_not be_updated
   end
+
+  describe "#identity_command" do
+    it "should handle false values and long descriptions" do
+      provider = Chef::Provider::OpenstackIdentityRegister.new(
+        @user_resource, @run_context)
+
+      provider.stub!(:shell_out).with(
+        ["keystone", "user-create", "--enabled", "false",
+          "--description", "more than one word"],
+        {:env => {"OS_SERVICE_ENDPOINT" => nil, "OS_SERVICE_TOKEN" => nil}}
+        ).and_return double("shell_out", :exitstatus => 0, :stdout => "good")
+
+      provider.send(
+        :identity_command, @user_resource, "user-create",
+        {"enabled" => false, "description" => "more than one word"}
+        ).should eq "good"
+    end
+  end
 end