So if you look at the code there that you modified to introduce this
bug, you are bypassing the try..catch block that will set the exception
that would be raised at the failure causing it trying to raise None
which obviously will fail.
** Changed in: glance
Status: New => Invalid
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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:
Invalid
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 /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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