gistfile1.py

# on the injector API
@route("/v1.0/creation", ["POST"])
def inject_create_error(self, request):
    """
    
    """
    params = loads(request.content)
    nova_tenant = self.session.data_for_api(self._nova_api)
    criteria = params['criteria']
    installed_behavior_id = nova_tenant.set_behavior_for_new_servers(
        criteria,
        load_behavior(params['behavior']))
    return {"id": installed_behavior_id}

# tenant (i.e. S_Cache)
def set_behavior_for_new_servers(self, criteria, behavior):
    """
    
    """
    b_id = self.generate_behavior_id()
    self.creation_behaviors.append((b_id, criteria, behavior))
    return b_id


def select_creation_behavior(self, creation_params):
    """
    
    """
    for b_id, criteria, behavior in self.creation_behaviors:
        if Criteria.from_json_structure(criteria).matches(creation_params):
            return behavior
    else:
        return default_server_creation_behavior

def default_server_creation_behavior(nova_tenant, creation_params):
    """
    successfully create a nova server

    *actually* a global function
    """
    server_object = Server.from_creation_params(creation_params)
    nova_tenant.add_server(server_object)
    return server_object.creation_info()

def create_server(self, request):
    """
    
    """
    creation_params = parse_nova_creation_parameters(request)
    behavior = self.select_creation_behavior(creation_params)
    return behavior(self, creation_params)