Public bug reported:
If deployer specifies invalid backend for glance using
'enabled_backends' in glance-api.conf file then glance stores-info
command fails with HTTP 500 error with below stacktrace;
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
[None req-71e90940-8b19-4711-b2fa-910c145c1960 admin admin] Caught error: no
such option foo in group [DEFAULT]: oslo_config.cfg.NoSuchOptError: no such
option foo in group [DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
Traceback (most recent call last):
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py",
line 2219, in __getattr__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
return self._get(name)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py",
line 2653, in _get
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
value, loc = self._do_get(name, group, namespace)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py",
line 2671, in _do_get
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
info = self._get_opt_info(name, group)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py",
line 2876, in _get_opt_info
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
raise NoSuchOptError(opt_name, group)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
oslo_config.cfg.NoSuchOptError: no such option foo in group [DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
During handling of the above exception, another exception occurred:
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
Traceback (most recent call last):
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/glance/glance/common/wsgi.py", line 1297, in __call__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
action_result = self.dispatch(self.controller, action,
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/glance/glance/common/wsgi.py", line 1340, in dispatch
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
return method(*args, **kwargs)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/glance/glance/api/v2/discovery.py", line 68, in get_stores
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
description = getattr(CONF, backend).store_description
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
File "/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py",
line 2223, in __getattr__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
raise NoSuchOptError(name)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
oslo_config.cfg.NoSuchOptError: no such option foo in group [DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: INFO eventlet.wsgi.server
[None req-71e90940-8b19-4711-b2fa-910c145c1960 admin admin]
10.0.109.128,10.0.109.128 - - [24/Jan/2024 14:25:08] "GET /v2/info/stores
HTTP/1.1" 500 454 0.075514
How to reproduce:
1. Define enabled_backends as shown below in glance-api.conf
[DEFAULT]
enabled_backends = fast:file,foo:bar
[glance_store]
default_backend = fast
[fast]
filesystem_store_datadir = /opt/stack/data/glance/images/
[foo]
foo = bar
2. Restart g-api service
3. Run glance stores-info command
** Affects: glance
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2051126
Title:
stores-info fails if unrecognised backend specified
Status in Glance:
New
Bug description:
If deployer specifies invalid backend for glance using
'enabled_backends' in glance-api.conf file then glance stores-info
command fails with HTTP 500 error with below stacktrace;
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi [None req-71e90940-8b19-4711-b2fa-910c145c1960 admin admin]
Caught error: no such option foo in group [DEFAULT]:
oslo_config.cfg.NoSuchOptError: no such option foo in group [DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi Traceback (most recent call last):
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File
"/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py", line
2219, in __getattr__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi return self._get(name)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File
"/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py", line
2653, in _get
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi value, loc = self._do_get(name, group, namespace)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File
"/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py", line
2671, in _do_get
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi info = self._get_opt_info(name, group)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File
"/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py", line
2876, in _get_opt_info
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi raise NoSuchOptError(opt_name, group)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi oslo_config.cfg.NoSuchOptError: no such option foo in group
[DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi During handling of the above exception, another exception
occurred:
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi Traceback (most recent call last):
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File "/opt/stack/glance/glance/common/wsgi.py", line 1297,
in __call__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi action_result = self.dispatch(self.controller, action,
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File "/opt/stack/glance/glance/common/wsgi.py", line 1340,
in dispatch
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi return method(*args, **kwargs)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File "/opt/stack/glance/glance/api/v2/discovery.py", line
68, in get_stores
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi description = getattr(CONF, backend).store_description
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi File
"/opt/stack/data/venv/lib/python3.10/site-packages/oslo_config/cfg.py", line
2223, in __getattr__
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi raise NoSuchOptError(name)
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi oslo_config.cfg.NoSuchOptError: no such option foo in group
[DEFAULT]
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: ERROR
glance.common.wsgi
Jan 24 14:25:08 devstack-caracal glance-api[1906424]: INFO
eventlet.wsgi.server [None req-71e90940-8b19-4711-b2fa-910c145c1960 admin
admin] 10.0.109.128,10.0.109.128 - - [24/Jan/2024 14:25:08] "GET
/v2/info/stores HTTP/1.1" 500 454 0.075514
How to reproduce:
1. Define enabled_backends as shown below in glance-api.conf
[DEFAULT]
enabled_backends = fast:file,foo:bar
[glance_store]
default_backend = fast
[fast]
filesystem_store_datadir = /opt/stack/data/glance/images/
[foo]
foo = bar
2. Restart g-api service
3. Run glance stores-info command
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