[openstack-dev] [nova] How to fix the wrong usage of 'format' jsonschema keyword in server create API
Alex Xu
soulxu at gmail.com
Tue Mar 8 13:58:58 UTC 2016
2016-03-07 21:10 GMT+08:00 Jay Pipes <jaypipes at gmail.com>:
> On 03/07/2016 08:05 AM, Alex Xu wrote:
>
>> 2016-03-07 19:23 GMT+08:00 Sean Dague <sean at dague.net
>> <mailto:sean at dague.net>>:
>>
>> On 03/07/2016 01:18 AM, Alex Xu wrote:
>> > Hi,
>> >
>> > Due to this regression bughttps://launchpad.net/bugs/1552888,
>> found we
>>
>> > are using 'formart' jsonschema keyword in wrong way. The 'format'
>> is not
>> > only for string instance, but all the types.
>>
>> Can you given an example of the kinds of things that are currently
>> being
>> rejected? And if we think those REST API calls are valid? I'd like to
>> know what we started blocking in Option 3 that no one noticed until
>> now.
>>
>>
>> In the legacy v2 API, we create server with network like this:
>> "networks": [{"uuid": "f4001fde-7bb8-4a73-b1a9-03b444d1f6f8", "port":
>> null}]'
>> The port can be null.
>>
>> With v2.1 API, you will get 400:
>>
>> curl -g -i -X POST
>> http://192.168.2.176:8774/v2.1/b90b53ed87d74e19806da34dbaa056c9/servers
>> -H "User-Agent: python-novaclient" -H "Content-Type: application/json"
>> -H "Accept: application/json" -H "X-Auth-Token:
>> e740965218754560a98d9ac188271253" -d '{"server": {"name": "vm4",
>> "imageRef": "33a713dc-7efe-488c-bf12-d902ff5e6118", "flavorRef": "1",
>> "max_count": 1, "min_count": 1, "networks": [{"uuid":
>> "f4001fde-7bb8-4a73-b1a9-03b444d1f6f8", "port": null}]}}'
>> HTTP/1.1 400 Bad Request
>> X-Openstack-Nova-Api-Version: 2.1
>> Vary: X-OpenStack-Nova-API-Version
>> Content-Type: application/json; charset=UTF-8
>> Content-Length: 117
>> X-Compute-Request-Id: req-c5ab91ca-dc24-42ea-8272-7f35571b15da
>> Date: Mon, 07 Mar 2016 13:01:58 GMT
>>
>> {"badRequest": {"message": "Invalid input for field/attribute port.
>> Value: None. None is not a 'uuid'", "code": 400}}
>>
>> This is due to we write json-schema like this:
>> 'port': {
>> 'type': ['string', 'null'],
>> format': 'uuid'
>> },
>>
>>
>> We assume 'type' will enable 'null' value and 'format' only against on
>> string type. Actually 'null' will be passed to format check also, then
>> the format check return fault.
>>
>
> So, 'null' should be removed from there and the required set of attributes
> should have 'uuid' removed. Is that correct?
If so, I think it should be fine to correct it without a microversion.
>
Do you mean the option3? For option3, just need remove the 'null' from type.
For option 2, it looks like this https://review.openstack.org/#/c/288268/2
>
> Best,
> -jay
>
>
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