Public bug reported:

As of now for downloading the image it iterates through all the
locations and if data (image) is not present at any of the location in
the end it Logs the error message as "Glance tried all active locations
to get data for image <image-id> but all have failed." Further it fails
with 500 error.

This issue can occur either if image is not available in any of the
location or any error occured during the download process.

NOTE:
To reproduce this issue I have manually added 'continue' statement at [1] to 
assume that image is not available at any of the location.
[1] https://github.com/openstack/glance/blob/master/glance/location.py#L470

Steps to reproduce:
1. Modify glance/location.py as mentioned in NOTE
2. Restart glance-api service
3. Download image using:
   $ glance image-download <image-id> --file downloaded_image 

Expected Result:
Image data should be downloaded and saved in 'downloaded_image' file

Actual Result:
glance image-download 780ffe26-b95a-4b6f-b2c0-c38803bed73a --file abcdUnable to 
download image '780ffe26-b95a-4b6f-b2c0-c38803bed73a'. (502 Proxy Error: Proxy 
Error: The proxy server received an invalid: response from an upstream server.: 
The proxy server could not handle the request 
GET&nbsp;/image/v2/images/780ffe26-b95a-4b6f-b2c0-c38803bed73a/file.: Reason: 
Error reading from remote server: Apache/2.4.18 (Ubuntu) Server at 192.168.0.6 
Port 80 (HTTP 502))


Glance API logs:
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance.location 
[None req-cfca70d4-d9a7-495f-9762-0fb2a8eee769 admin admin] Glance tried all 
active locations to get data for image 780ffe26-b95a-4b6f-b2c0-c38803bed73a but 
all have failed.
Apr 19 06:37:58 signature devstack@g-api.service[5419]: CRITICAL glance [None 
req-cfca70d4-d9a7-495f-9762-0fb2a8eee769 admin admin] Unhandled error: 
TypeError: 'ImageProxy' object is not callable
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance Traceback 
(most recent call last):
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/osprofiler/web.py", line 119, in 
__call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
request.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py",
 line 337, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self._app)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp = 
self.call_func(req, *args, **self.kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
self.func(req, *args, **kwargs)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 216, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
app(environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
resp(environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/routes/middleware.py", line 141, in 
__call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = self.app(environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
resp(environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     return 
resp(environ, start_response)
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance TypeError: 
'ImageProxy' object is not callable
Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance

** Affects: glance
     Importance: Undecided
     Assignee: Abhishek Kekane (abhishek-kekane)
         Status: New

** Changed in: glance
     Assignee: (unassigned) => Abhishek Kekane (abhishek-kekane)

-- 
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https://bugs.launchpad.net/bugs/1765309

Title:
  500 error on image-download if image is not present at any location

Status in Glance:
  New

Bug description:
  As of now for downloading the image it iterates through all the
  locations and if data (image) is not present at any of the location in
  the end it Logs the error message as "Glance tried all active
  locations to get data for image <image-id> but all have failed."
  Further it fails with 500 error.

  This issue can occur either if image is not available in any of the
  location or any error occured during the download process.

  NOTE:
  To reproduce this issue I have manually added 'continue' statement at [1] to 
assume that image is not available at any of the location.
  [1] https://github.com/openstack/glance/blob/master/glance/location.py#L470

  Steps to reproduce:
  1. Modify glance/location.py as mentioned in NOTE
  2. Restart glance-api service
  3. Download image using:
     $ glance image-download <image-id> --file downloaded_image 

  Expected Result:
  Image data should be downloaded and saved in 'downloaded_image' file

  Actual Result:
  glance image-download 780ffe26-b95a-4b6f-b2c0-c38803bed73a --file abcdUnable 
to download image '780ffe26-b95a-4b6f-b2c0-c38803bed73a'. (502 Proxy Error: 
Proxy Error: The proxy server received an invalid: response from an upstream 
server.: The proxy server could not handle the request 
GET&nbsp;/image/v2/images/780ffe26-b95a-4b6f-b2c0-c38803bed73a/file.: Reason: 
Error reading from remote server: Apache/2.4.18 (Ubuntu) Server at 192.168.0.6 
Port 80 (HTTP 502))

  
  Glance API logs:
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance.location 
[None req-cfca70d4-d9a7-495f-9762-0fb2a8eee769 admin admin] Glance tried all 
active locations to get data for image 780ffe26-b95a-4b6f-b2c0-c38803bed73a but 
all have failed.
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: CRITICAL glance [None 
req-cfca70d4-d9a7-495f-9762-0fb2a8eee769 admin admin] Unhandled error: 
TypeError: 'ImageProxy' object is not callable
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance 
Traceback (most recent call last):
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in 
__call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/osprofiler/web.py", line 119, in 
__call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return request.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py",
 line 337, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self._app)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     resp 
= self.call_func(req, *args, **self.kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return self.func(req, *args, **kwargs)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/opt/stack/glance/glance/common/wsgi.py", line 809, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = req.get_response(self.application)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1327, in send
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
application, catch_exc_info=False)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1291, in 
call_application
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
app_iter = application(self.environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 216, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return app(environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return resp(environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/routes/middleware.py", line 141, in 
__call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
response = self.app(environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return resp(environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance   File 
"/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance     
return resp(environ, start_response)
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance 
TypeError: 'ImageProxy' object is not callable
  Apr 19 06:37:58 signature devstack@g-api.service[5419]: ERROR glance

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