class InstancesHandler(tornado.web.RequestHandler):
def initialize(self, logger):
self.instances = Instances()
self.logger = logger
def get(self, parameter=None):
self.logger.info("instances GET " + parameter)
if parameter:
pattern = re.compile(UUID_REGULAR_EXPRESION)
if pattern.match(parameter):
result = self.instances.get_instance_by_uuid(parameter)
else:
result = self.instances.get_instance(parameter)
if result['status'] == 'ok':
response = result['document']
else:
response = {'error': result['reason']}
else:
result = self.instances.get_all_instances()
if result['status'] == 'ok':
instances = result['documents']
response = {'instances': instances}
else:
response = {'error': result['reason']}
return self.write(json.dumps(response))
def post(self, name=None):
self.logger.info("instances POST " + name)
instance = tornado.escape.json_decode(self.request.body)
result = self.instances.create_instance(instance)
if result['status'] == 'ok':
response = {"create": "success"}
else:
response = {"create": "error"}
return self.write(json.dumps(response))
def put(self, name=None):
self.logger.info("instances PUT " + name)
if name:
instance = tornado.escape.json_decode(self.request.body)
result = self.instances.update_instance(name, instance)
if result['status'] == 'ok':
response = {"update": "success"}
else:
response = {"update": "error", "reason": result['reason']}
else:
response = {"update": "error", "reason": "missing name parameter"}
return self.write(json.dumps(response))
def delete(self, name=None):
self.logger.info("instances DELETE " + name)
if name:
result = self.instances.delete_instance(name)
if result['status'] == 'ok':
response = {"delete": "success"}
else:
response = {"delete": "error", "reason": result['reason']}
else:
response = {"delete": "error", "reason": "missing name parameter"}
return self.write(json.dumps(response))
def initialize(self, logger):
self.instances = Instances()
self.logger = logger
