docker-cli

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Sebastiaan van Stijn 1c29e89e9b Return 400 status instead of 500 for empty volume create body

The `POST /volumes/create` expects a request body to be provided.
If no body was provided, a 500 status was returned. A 500 status
is incorrect, because the request is invalid (it's not a server
error).

Before this change:

    $ curl --unix-socket /var/run/docker.sock -v -X POST http://localhost/volumes/create

    *   Trying /var/run/docker.sock...
    * Connected to localhost (/Users/sebastiaan/Library/Containers/com.dock) port 80 (#0)
    > POST /volumes/create HTTP/1.1
    > Host: localhost
    > User-Agent: curl/7.51.0
    > Accept: */*
    >
    < HTTP/1.1 500 Internal Server Error
    < Api-Version: 1.30
    < Content-Length: 18
    < Content-Type: application/json
    < Date: Wed, 19 Jul 2017 11:29:26 GMT
    < Docker-Experimental: true
    < Ostype: linux
    < Server: Docker/17.06.0-ce (linux)
    <
    {"message":"EOF"}
    * Curl_http_done: called premature == 0
    * Connection #0 to host localhost left intact

After this change:

    $ curl --unix-socket /var/run/docker.sock -v -X POST http://localhost/volumes/create

    *   Trying /var/run/docker.sock...
    * Connected to localhost (/var/run/docker.sock) port 80 (#0)
    > POST /volumes/create HTTP/1.1
    > Host: localhost
    > User-Agent: curl/7.52.1
    > Accept: */*
    >
    < HTTP/1.1 400 Bad Request
    < Api-Version: 1.36
    < Content-Type: application/json
    < Docker-Experimental: false
    < Ostype: linux
    < Server: Docker/dev (linux)
    < Date: Tue, 09 Jan 2018 15:00:13 GMT
    < Content-Length: 42
    <
    {"message":"no body provided in request"}
    * Curl_http_done: called premature == 0
    * Connection #0 to host localhost left intact

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 5ad1e4be6bd2fd1033bc2adb5be2fe821787b59c
Component: engine

2018-01-16 20:42:44 +01:00