Hi guys.
I'm trying to deploy with "packstack --allinone" and it always
(tried ~5 times) fails with:
...
ERROR : Error appeared during Puppet run:A.B.C.D_compute.pp
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
pymysql.err.OperationalError: (1040, 'Too many connections')
You will find full trace in log
/var/tmp/packstack/20201018-183415-ik3ijyw7/manifests/172.24.154.202_compute.pp.log
Please check log file
/var/tmp/packstack/20201018-183415-ik3ijyw7/openstack-setup.log
for more information
If some expert might be interested then in
/var/tmp/packstack/20201018-183415-ik3ijyw7/manifests/172.24.154.202_compute.pp.log
....
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[DEFAULT/compute_driver]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[vnc/server_listen]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[libvirt/virt_type]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[libvirt/cpu_mode]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[libvirt/inject_password]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[libvirt/inject_key]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt/Nova_config[libvirt/inject_partition]/ensure:
created
Notice:
/Stage[main]/Nova::Migration::Libvirt/Nova_config[libvirt/live_migration_uri]/ensure:
created
Notice:
/Stage[main]/Nova::Compute::Libvirt::Services/Service[libvirt]/ensure:
ensure changed 'stopped' to 'running'
Notice:
/Stage[main]/Neutron::Deps/Anchor[neutron::service::begin]:
Triggered 'refresh' from 2 events
Notice: /Stage[main]/Nova::Deps/Anchor[nova::config::end]:
Triggered 'refresh' from 22 events
Notice: /Stage[main]/Nova::Deps/Anchor[nova::service::begin]:
Triggered 'refresh' from 1 event
Notice:
/Stage[main]/Nova::Compute/Nova::Generic_service[compute]/Service[nova-compute]/ensure:
ensure changed 'stopped' to 'running'
Notice: /Stage[main]/Nova::Deps/Anchor[nova::service::end]:
Triggered 'refresh' from 1 event
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
An error has occurred:
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
Traceback (most recent call last):
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 2262, in _wrap_pool_connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return fn()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 294, in unique_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return _ConnectionFairy._checkout(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 751, in _checkout
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
fairy = _ConnectionRecord.checkout(pool)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 483, in checkout
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
rec = pool._do_get()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/impl.py",
line 138, in _do_get
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self._dec_overflow()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/langhelpers.py",
line 68, in __exit__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
compat.reraise(exc_type, exc_value, exc_tb)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py",
line 129, in reraise
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
raise value
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/impl.py",
line 135, in _do_get
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return self._create_connection()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 299, in _create_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return _ConnectionRecord(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 428, in __init__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self.__connect(first_connect_check=True)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 630, in __connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
connection = pool._invoke_creator(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/strategies.py",
line 114, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return dialect.connect(*cargs, **cparams)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/default.py",
line 453, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return self.dbapi.connect(*cargs, **cparams)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/__init__.py",
line 94, in Connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return Connection(*args, **kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 325, in __init__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self.connect()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 599, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self._request_authentication()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 861, in _request_authentication
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
auth_packet = self._read_packet()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 684, in _read_packet
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
packet.check_error()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/protocol.py",
line 220, in check_error
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
err.raise_mysql_exception(self._data)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/err.py", line
109, in raise_mysql_exception
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
raise errorclass(errno, errval)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
pymysql.err.OperationalError: (1040, 'Too many connections')
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
The above exception was the direct cause of the following
exception:
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
Traceback (most recent call last):
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/nova/cmd/manage.py", line
2777, in main
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
ret = fn(*fn_args, **fn_kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/nova/cmd/manage.py", line
1144, in discover_hosts
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
by_service)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/nova/objects/host_mapping.py",
line 256, in discover_hosts
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
cell_mappings = objects.CellMappingList.get_all(ctxt)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_versionedobjects/base.py",
line 184, in wrapper
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
result = fn(cls, context, *args, **kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/nova/objects/cell_mapping.py",
line 256, in get_all
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
db_mappings = cls._get_all_from_db(context)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 1013, in wrapper
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
with self._transaction_scope(context):
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib64/python3.6/contextlib.py", line 81, in __enter__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return next(self.gen)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 1063, in _transaction_scope
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
context=context) as resource:
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib64/python3.6/contextlib.py", line 81, in __enter__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return next(self.gen)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 658, in _session
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
bind=self.connection, mode=self.mode)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 418, in _create_session
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self._start()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 510, in _start
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
engine_args, maker_args)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/enginefacade.py",
line 534, in _setup_for_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
sql_connection=sql_connection, **engine_kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/debtcollector/renames.py",
line 43, in decorator
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return wrapped(*args, **kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/engines.py",
line 201, in create_engine
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
test_conn = _test_connection(engine, max_retries,
retry_interval)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib/python3.6/site-packages/oslo_db/sqlalchemy/engines.py",
line 376, in _test_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return engine.connect()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 2193, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return self._connection_cls(self, **kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 103, in __init__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
else engine.raw_connection()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 2293, in raw_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self.pool.unique_connection, _connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 2266, in _wrap_pool_connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
e, dialect, self
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 1534, in _handle_dbapi_exception_noconnection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
util.raise_from_cause(newraise, exc_info)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py",
line 383, in raise_from_cause
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
reraise(type(exception), exception, tb=exc_tb, cause=cause)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py",
line 128, in reraise
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
raise value.with_traceback(tb)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/base.py",
line 2262, in _wrap_pool_connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return fn()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 294, in unique_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return _ConnectionFairy._checkout(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 751, in _checkout
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
fairy = _ConnectionRecord.checkout(pool)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 483, in checkout
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
rec = pool._do_get()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/impl.py",
line 138, in _do_get
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self._dec_overflow()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/langhelpers.py",
line 68, in __exit__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
compat.reraise(exc_type, exc_value, exc_tb)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/util/compat.py",
line 129, in reraise
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
raise value
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/impl.py",
line 135, in _do_get
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return self._create_connection()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 299, in _create_connection
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return _ConnectionRecord(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 428, in __init__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self.__connect(first_connect_check=True)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/pool/base.py",
line 630, in __connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
connection = pool._invoke_creator(self)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/strategies.py",
line 114, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return dialect.connect(*cargs, **cparams)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File
"/usr/lib64/python3.6/site-packages/sqlalchemy/engine/default.py",
line 453, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return self.dbapi.connect(*cargs, **cparams)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/__init__.py",
line 94, in Connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
return Connection(*args, **kwargs)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 325, in __init__
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self.connect()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 599, in connect
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
self._request_authentication()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 861, in _request_authentication
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
auth_packet = self._read_packet()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/connections.py",
line 684, in _read_packet
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
packet.check_error()
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/protocol.py",
line 220, in check_error
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
err.raise_mysql_exception(self._data)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
File "/usr/lib/python3.6/site-packages/pymysql/err.py", line
109, in raise_mysql_exception
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
raise errorclass(errno, errval)
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError)
(1040, 'Too many connections')
Notice:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]/returns:
(Background on this error at: http://sqlalche.me/e/e3q8)
Error:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]:
Failed to call refresh: 'nova-manage cell_v2 discover_hosts'
returned 255 instead of one of [0]
Error:
/Stage[main]/Nova::Cell_v2::Discover_hosts/Exec[nova-cell_v2-discover_hosts]:
'nova-manage cell_v2 discover_hosts' returned 255 instead of
one of [0]
Bit discouraging to fail at start but I trust you can share some
good advice.
I'm on Centos8 with ussuri.
Many thanks, L.