我正在打电话给ecs.create_service
如下:
createServiceResponse = ecs.create_service(
clientToken='abc123',
cluster=options.cluster,
serviceName=options.service,
desiredCount=1,
taskDefinition='relay:' + str(revision),
role='ecsServiceRole',
loadBalancers=[
{
'loadBalancerName': options.elb,
'containerName': 'relay',
'containerPort': 8080
}
]
)
注意,clientToken中的值目前是abc123
,但是我已经尝试了各种不同的字符串。这个文档说我需要提供它来确保等幂性(http://boto3.readthedocs.org/en/latest/reference/services/ecs.html),但是我一直得到这个错误:
Traceback (most recent call last):
File "./deploy.py", line 103, in <module>
'containerPort': 8080
File "/usr/local/lib/python2.7/site-packages/botocore/client.py", line 301, in _api_call
return self._make_api_call(operation_name, kwargs)
File "/usr/local/lib/python2.7/site-packages/botocore/client.py", line 386, in _make_api_call
raise ClientError(parsed_response, operation_name)
botocore.exceptions.ClientError: An error occurred (InvalidParameterException) when calling the CreateService operation: Creation of service was not idempotent.
为什么?
我想出来了。
这是因为我正在对现有服务调用
create_service
。我应该按如下方式给update_service
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