'Generate an alarm on the resource.
:param ctxt: RPC context.
:param stack_identity: Name of the stack.
:param resource_name: the Resource.
:param details: the details of the signal.'

def resource_signal(self, ctxt, stack_identity, resource_name, details, sync_call=False):

    return self.call(ctxt, self.make_msg('resource_signal', stack_identity=stack_identity, resource_name=resource_name, details=details, sync_call=sync_call), version='1.3')
