*** This bug is a duplicate of bug 1440493 ***
https://bugs.launchpad.net/bugs/1440493
Public bug reported:
keystone.conf:
[cache]
backend=keystone.cache.memcache_pool
memcache_servers=db0.stack:11211
with this settings, keystone makes below error when request token
2015-08-13 00:11:44.489 689 DEBUG keystone.common.cache._memcache_pool [-]
Memcached pool 139851635173456, thread 139851778242368: Acquiring connection
_debug_logger
/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py:91
2015-08-13 00:11:44.490 689 ERROR keystone.common.wsgi [-] super(type, obj):
obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi Traceback (most recent
call last):
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/wsgi.py", line 223, in __call__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi result =
method(context, **params)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 100, in
authenticate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi context, auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 301, in
_authenticate_local
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_id =
self._get_project_id_from_auth(auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 371, in
_get_project_id_from_auth
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_name,
CONF.identity.default_domain_id)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line
1040, in decorate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi should_cache_fn)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 651,
in get_or_create
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi async_creator) as
value:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 158,
in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return self._enter()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 91,
in _enter
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value = value_fn()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 604,
in get_value
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.backend.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/backends/memcached.py",
line 149, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.client.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/backends/memcache_pool.py",
line 35, in _run_method
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi with
self.client_pool.acquire() as client:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/pyenv/versions/2.7.9/lib/python2.7/contextlib.py", line 17, in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self.gen.next()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line 97,
in acquire
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self.get(timeout=self._connection_get_timeout)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/eventlet/eventlet/queue.py", line 287, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return self._get()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
155, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
ConnectionPool._get(self)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
120, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self._create_connection()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
149, in _create_connection
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
_MemcacheClient(self.urls, **self._arguments)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/memcache.py", line 228, in __init__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi super(Client,
self).__init__()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi TypeError: super(type,
obj): obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi
when I change with
--- a/keystone/common/cache/_memcache_pool.py
+++ b/keystone/common/cache/_memcache_pool.py
-_MemcacheClient = type('_MemcacheClient', (object,),
+memcache.Client = type('memcache.Client', (object,),
dict(memcache.Client.__dict__))
_PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])
@@ -146,7 +146,7 @@ class MemcacheClientPool(ConnectionPool):
self._hosts_deaduntil = [0] * len(urls)
def _create_connection(self):
- return _MemcacheClient(self.urls, **self._arguments)
+ return memcache.Client(self.urls, **self._arguments)
def _destroy_connection(self, conn):
conn.disconnect_all()
It works well
** Affects: keystone
Importance: Undecided
Status: Invalid
** Description changed:
keystone.conf:
- [cache]
- backend=keystone.cache.memcache_pool
- memcache_servers=db0.stack:11211
+ [cache]
+ backend=keystone.cache.memcache_pool
+ memcache_servers=db0.stack:11211
with this settings, keystone makes below error when request token
2015-08-13 00:11:44.489 689 DEBUG keystone.common.cache._memcache_pool [-]
Memcached pool 139851635173456, thread 139851778242368: Acquiring connection
_debug_logger
/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py:91
2015-08-13 00:11:44.490 689 ERROR keystone.common.wsgi [-] super(type, obj):
obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi Traceback (most recent
call last):
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/wsgi.py", line 223, in __call__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi result =
method(context, **params)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 100, in
authenticate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi context, auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 301, in
_authenticate_local
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_id =
self._get_project_id_from_auth(auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 371, in
_get_project_id_from_auth
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_name,
CONF.identity.default_domain_id)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line
1040, in decorate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi should_cache_fn)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 651,
in get_or_create
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi async_creator) as
value:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 158,
in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self._enter()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 91,
in _enter
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value = value_fn()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 604,
in get_value
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.backend.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/backends/memcached.py",
line 149, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.client.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/backends/memcache_pool.py",
line 35, in _run_method
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi with
self.client_pool.acquire() as client:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/pyenv/versions/2.7.9/lib/python2.7/contextlib.py", line 17, in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self.gen.next()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line 97,
in acquire
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self.get(timeout=self._connection_get_timeout)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/eventlet/eventlet/queue.py", line 287, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return self._get()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
155, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
ConnectionPool._get(self)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
120, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self._create_connection()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
149, in _create_connection
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
_MemcacheClient(self.urls, **self._arguments)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/memcache.py", line 228, in __init__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi super(Client,
self).__init__()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi TypeError: super(type,
obj): obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi
-
- when I chane with
+ when I change with
-_MemcacheClient = type('_MemcacheClient', (object,),
+memcache.Client = type('memcache.Client', (object,),
- dict(memcache.Client.__dict__))
+ dict(memcache.Client.__dict__))
- _PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])
+ _PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])
@@ -146,7 +146,7 @@ class MemcacheClientPool(ConnectionPool):
- self._hosts_deaduntil = [0] * len(urls)
+ self._hosts_deaduntil = [0] * len(urls)
- def _create_connection(self):
+ def _create_connection(self):
- return _MemcacheClient(self.urls, **self._arguments)
+ return memcache.Client(self.urls, **self._arguments)
- def _destroy_connection(self, conn):
- conn.disconnect_all()
-
+ def _destroy_connection(self, conn):
+ conn.disconnect_all()
It works well
** Description changed:
keystone.conf:
[cache]
backend=keystone.cache.memcache_pool
memcache_servers=db0.stack:11211
with this settings, keystone makes below error when request token
2015-08-13 00:11:44.489 689 DEBUG keystone.common.cache._memcache_pool [-]
Memcached pool 139851635173456, thread 139851778242368: Acquiring connection
_debug_logger
/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py:91
2015-08-13 00:11:44.490 689 ERROR keystone.common.wsgi [-] super(type, obj):
obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi Traceback (most recent
call last):
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/wsgi.py", line 223, in __call__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi result =
method(context, **params)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 100, in
authenticate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi context, auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 301, in
_authenticate_local
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_id =
self._get_project_id_from_auth(auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 371, in
_get_project_id_from_auth
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_name,
CONF.identity.default_domain_id)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line
1040, in decorate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi should_cache_fn)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 651,
in get_or_create
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi async_creator) as
value:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 158,
in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self._enter()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 91,
in _enter
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value = value_fn()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 604,
in get_value
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.backend.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/backends/memcached.py",
line 149, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.client.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/backends/memcache_pool.py",
line 35, in _run_method
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi with
self.client_pool.acquire() as client:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/pyenv/versions/2.7.9/lib/python2.7/contextlib.py", line 17, in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self.gen.next()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line 97,
in acquire
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self.get(timeout=self._connection_get_timeout)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/eventlet/eventlet/queue.py", line 287, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return self._get()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
155, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
ConnectionPool._get(self)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
120, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self._create_connection()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
149, in _create_connection
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
_MemcacheClient(self.urls, **self._arguments)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/memcache.py", line 228, in __init__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi super(Client,
self).__init__()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi TypeError: super(type,
obj): obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi
when I change with
+ --- a/keystone/common/cache/_memcache_pool.py
+ +++ b/keystone/common/cache/_memcache_pool.py
-_MemcacheClient = type('_MemcacheClient', (object,),
+memcache.Client = type('memcache.Client', (object,),
dict(memcache.Client.__dict__))
_PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])
@@ -146,7 +146,7 @@ class MemcacheClientPool(ConnectionPool):
self._hosts_deaduntil = [0] * len(urls)
def _create_connection(self):
- return _MemcacheClient(self.urls, **self._arguments)
+ return memcache.Client(self.urls, **self._arguments)
def _destroy_connection(self, conn):
conn.disconnect_all()
It works well
** Changed in: keystone
Status: New => Invalid
** This bug has been marked a duplicate of bug 1440493
Crash with python-memcached==1.5.4
--
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https://bugs.launchpad.net/bugs/1484163
Title:
cache.backend = keystone.cache.memcache_pool cause error
Status in Keystone:
Invalid
Bug description:
keystone.conf:
[cache]
backend=keystone.cache.memcache_pool
memcache_servers=db0.stack:11211
with this settings, keystone makes below error when request token
2015-08-13 00:11:44.489 689 DEBUG keystone.common.cache._memcache_pool [-]
Memcached pool 139851635173456, thread 139851778242368: Acquiring connection
_debug_logger
/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py:91
2015-08-13 00:11:44.490 689 ERROR keystone.common.wsgi [-] super(type, obj):
obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi Traceback (most recent
call last):
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/wsgi.py", line 223, in __call__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi result =
method(context, **params)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 100, in
authenticate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi context, auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 301, in
_authenticate_local
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_id =
self._get_project_id_from_auth(auth)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/token/controllers.py", line 371, in
_get_project_id_from_auth
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi tenant_name,
CONF.identity.default_domain_id)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line
1040, in decorate
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi should_cache_fn)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 651,
in get_or_create
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi async_creator) as
value:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 158,
in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self._enter()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/core/dogpile.py", line 91,
in _enter
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value = value_fn()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/region.py", line 604,
in get_value
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.backend.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/dogpile/cache/backends/memcached.py",
line 149, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi value =
self.client.get(key)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/backends/memcache_pool.py",
line 35, in _run_method
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi with
self.client_pool.acquire() as client:
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/pyenv/versions/2.7.9/lib/python2.7/contextlib.py", line 17, in __enter__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
self.gen.next()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line 97,
in acquire
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self.get(timeout=self._connection_get_timeout)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/eventlet/eventlet/queue.py", line 287, in get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return self._get()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
155, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
ConnectionPool._get(self)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
120, in _get
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi conn =
self._create_connection()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/src/keystone/keystone/common/cache/_memcache_pool.py", line
149, in _create_connection
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi return
_MemcacheClient(self.urls, **self._arguments)
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi File
"/opt/openstack/lib/python2.7/site-packages/memcache.py", line 228, in __init__
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi super(Client,
self).__init__()
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi TypeError: super(type,
obj): obj must be an instance or subtype of type
2015-08-13 00:11:44.490 689 TRACE keystone.common.wsgi
when I change with
--- a/keystone/common/cache/_memcache_pool.py
+++ b/keystone/common/cache/_memcache_pool.py
-_MemcacheClient = type('_MemcacheClient', (object,),
+memcache.Client = type('memcache.Client', (object,),
dict(memcache.Client.__dict__))
_PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])
@@ -146,7 +146,7 @@ class MemcacheClientPool(ConnectionPool):
self._hosts_deaduntil = [0] * len(urls)
def _create_connection(self):
- return _MemcacheClient(self.urls, **self._arguments)
+ return memcache.Client(self.urls, **self._arguments)
def _destroy_connection(self, conn):
conn.disconnect_all()
It works well
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