** Changed in: nova/mitaka
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1557584
Title:
Broken retry mechanism for 'nova image-list'
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) liberty series:
Fix Released
Status in OpenStack Compute (nova) mitaka series:
Fix Released
Bug description:
You can configure a list of glance API servers in nova.conf like so:
[glance]
api_servers=http://192.168.122.30:9292/v1,http://192.168.122.31:9292/v1
num_retries = 5
When a call to one of the glance api servers fails, nova typically
retries the call on one of the others. This is not the case for 'nova
image-list'.
The retry mechanism is here:
https://github.com/openstack/nova/blob/83261f3106a8bdde38d258a74da777add4956290/nova/image/glance.py#L249
In the case of 'nova image-list', glanceclient returns a python
generator rather than an actual list of images. Because a generator is
returned, an exception will never be raised there, so the retry
mechanism is never executed.
https://github.com/openstack/python-
glanceclient/blob/d59e341a4cd99a8488d5cf41052d9b218379ac87/glanceclient/v1/images.py#L268
This bug was originally reported downstream:
https://bugzilla.redhat.com/show_bug.cgi?id=1313254
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