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From "Antoine R. Dumont (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LIBCLOUD-851) Azure blob storage - Unable to list blobs of a container
Date Fri, 09 Sep 2016 11:51:20 GMT

     [ https://issues.apache.org/jira/browse/LIBCLOUD-851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Antoine R. Dumont updated LIBCLOUD-851:
---------------------------------------
    Labels: blobstore storage_drivers  (was: )

> Azure blob storage - Unable to list blobs of a container
> --------------------------------------------------------
>
>                 Key: LIBCLOUD-851
>                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-851
>             Project: Libcloud
>          Issue Type: Bug
>          Components: Storage
>         Environment: Debian GNU/Linux
>            Reporter: Antoine R. Dumont
>              Labels: blobstore, storage_drivers
>
> Hello,
> Trying to list the blobs of a container in an azure blob storage, the instanciation step
of a container systematically breaks with a 400 bad request.
> I have not enough details in the error message:
> ```
> Traceback (most recent call last):
>   File "./bin/basic-scenario", line 20, in <module>
>     container = driver.get_container(container_name=container_name)
>   File "/usr/lib/python3/dist-packages/libcloud/storage/drivers/azure_blobs.py", line
441, in get_container
>     (response.status), driver=self)
> libcloud.common.types.LibcloudError: <LibcloudError in <libcloud.storage.drivers.azure_blobs.AzureBlobsStorageDriver
object at 0x7f674c6b67f0> 'Unexpected status code: 400'
> ```
> Here is the code of ./bin/basic-scenario:
> ```
> #!/usr/bin/env python3
> from libcloud.storage.types import Provider
> from libcloud.storage.providers import get_driver
> if __name__ == '__main__':
>    # setup
>    account_name = 'account-name'
>    key = 'secret-key'
>    container_name = 'container-name'
>    # libcloud setup
>    cls = get_driver(Provider.AZURE_BLOBS)
>    # this instanciates ok
>    driver = cls(key=account_name, secret=key)
>    # this explodes
>    container = driver.get_container(container_name=container_name)
>    for c in driver.iterate_container_objects(container):
>        print(c)
> ```
> Trying to dig in the error, using LIBCLOUD_DEBUG:
> ```
> LIBCLOUD_DEBUG=error-output ./bin/basic-scenario
> ```
> I have some more input, here is the content of error-output file:
> ```
> # -------- begin 140359483662744 request ----------
> curl -i --head -H 'Authorization: SharedKey account-name:blabla/blabla/blabla=' -H 'x-ms-version:
2012-02-12' -H 'User-Agent: libcloud/0.20.0 (Microsoft Azure (blobs)) ' -H 'Accept-Encoding:
gzip,deflate' -H 'x-ms-date: Fri, 09 Sep 2016 10:19:36 GMT' -H 'X-LC-Request-ID: 140340383662744'
--compress 'https://account-name.blob.core.windows.net:443/container-name?restype=container'
> # -------- begin 140359483662744:140359483745056 response ----------
> HTTP/1.1 400 The value for one of the HTTP headers is not in the correct format.
> Transfer-Encoding: chunked
> Server: Microsoft-HTTPAPI/2.0
> X-Ms-Request-Id: ad3456f8-0002-0076-2f83-0ab6c2888888
> Date: Fri, 09 Sep 2016 10:19:36 GMT
> 0
> 0
> # -------- end 140359483662744:140359483745056 response ----------
> ```
> As my package is a debian one with what seems an old version (0.20.0, seen in CHANGES.rst
and not in jira), I tried with the current git repository (1.1.0).
> Procedure: 
> 1. purged python3-libcloud
> 2. `python3 setup.py install` from git repository.
> I have a similar output:
> ```
> # -------- begin 139921458559016 request ----------
> curl -i --head -H 'x-ms-version: 2012-02-12' -H 'Authorization: SharedKey account-name:blabloblu='
-H 'X-LC-Request-ID: 139921458559432' -H 'User-Agent: libcloud/1.1.0 (Microsoft Azure (blobs))
' -H 'Accept-Encoding: gzip,deflate' -H 'x-ms-date: Fri, 09 Sep 2016 10:51:53 GMT' --compress
'https://account-name.blob.core.windows.net:443/container-name?restype=container'
> # -------- begin 139921458559016:139921458672360 response ----------
> HTTP/1.1 400 The value for one of the HTTP headers is not in the correct format.
> Transfer-Encoding: chunked
> Server: Microsoft-HTTPAPI/2.0
> X-Ms-Request-Id: 10947125-0001-005e-7788-0ac27a888888
> Date: Fri, 09 Sep 2016 10:51:52 GMT
> 0
> 0
> # -------- end 139921458559016:139921458672360 response ----------
> ```
> I'm stuck there since i don't see anything wrong with the headers.
> Do you please have some hint?
> Thanks for your time
> Note: 
> - I'm confident in the azure blob storage setup and credentials since i got it working
with another library (azure-storage via pip3)



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