*** This bug is a duplicate of bug 1820892 ***
https://bugs.launchpad.net/bugs/1820892
This is likely a duplicate of bug 1820892.
** This bug has been marked a duplicate of bug 1820892
Intermittent "Error starting thread.: ModuleNotFoundError: No module named
'etcd3gw'" in grenade-py3 jobs since March 14
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https://bugs.launchpad.net/bugs/1822251
Title:
grenade job fail due to missing memcache module
Status in devstack:
New
Status in OpenStack Identity (keystone):
Invalid
Bug description:
We saw it quite often recently that grenade jobs are failing due to
missing memcache module while keystone is starting.
Error message:
2019-03-29 00:22:39.361 | + lib/keystone:bootstrap_keystone:564 :
/usr/local/bin/keystone-manage bootstrap --bootstrap-username admin
--bootstrap-password secretadmin --bootstrap-project-name admin
--bootstrap-role-name admin --bootstrap-service-name keystone
--bootstrap-region-id RegionOne --bootstrap-admin-url
http://10.209.34.128/identity --bootstrap-public-url
http://10.209.34.128/identity
2019-03-29 00:22:41.201 | [01;31mCRITICAL keystone [[00;36m-[01;31m]
[01;35m[01;31mUnhandled error[00m: ModuleNotFoundError: No module named
'memcache'
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00mTraceback (most recent
call last):
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/usr/local/bin/keystone-manage", line 10, in <module>
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m sys.exit(main())
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/cmd/manage.py", line 41, in main
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m
cli.main(argv=sys.argv, developer_config_file=developer_config)
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/cmd/cli.py", line 1216, in main
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m
CONF.command.cmd_class.main()
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/cmd/cli.py", line 177, in main
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m klass = cls()
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/cmd/cli.py", line 66, in __init__
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m self.bootstrapper =
bootstrap.Bootstrapper()
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/cmd/bootstrap.py", line 31, in __init__
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m
backends.load_backends()
2019-03-29 00:22:41.201 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/server/backends.py", line 41, in load_backends
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m
cache.configure_cache()
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/opt/stack/old/keystone/keystone/common/cache/core.py", line 124, in
configure_cache
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m
cache.configure_cache_region(CONF, region)
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/oslo_cache/core.py", line 235, in
configure_cache_region
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m '%s.' %
conf.cache.config_prefix)
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/region.py", line 591, in
configure_from_config
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m
"%sreplace_existing_backend" % prefix, False),
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/region.py", line 423, in
configure
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m _config_prefix
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/api.py", line 89, in
from_config_dict
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m for key in
config_dict
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/backends/memcached.py",
line 208, in __init__
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m super(MemcacheArgs,
self).__init__(arguments)
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/backends/memcached.py",
line 108, in __init__
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m self._imports()
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m File
"/usr/local/lib/python3.6/dist-packages/dogpile/cache/backends/memcached.py",
line 287, in _imports
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00m import memcache #
noqa
2019-03-29 00:22:41.202 | ERROR keystone [01;35m[00mModuleNotFoundError: No
module named 'memcache'
Logstash query which I used to find similar examples:
http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22ModuleNotFoundError%3A%20No%20module%20named%20'memcache'%5C%22
Looks that it happens at least for 10 runs in last 7 days.
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