gnocchi/metricd.log ToozConnectionError: Error 111 connecting to controller:637

admin

The above exception was the direct cause of the following exception:
2 }7 \; h; ]- ~9 m8 d0 V* STraceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
    result = fn(*args, **kwargs)
' b$ u- n9 Z) H  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
0 x/ @! H4 R8 s, q% B9 D( _    coord.start(start_heart=True)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
: {) F: c+ S  F- g3 u' G    super(CoordinationDriverWithExecutor, self).start(start_heart)
  P0 I& F& l+ P9 B9 \  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
    self._start()
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
9 u0 C' O& B5 `. Y, c. o    cause=e)
: u9 _+ U/ ^  [3 t! C+ H# }' ^' c9 L4 _  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
. C) M2 X8 f4 E! P7 D2 }5 s    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 142, in raise_with_cause
    raise exc_cls(message, *args, **kwargs) from kwargs.get('cause')
5 C8 ?3 R8 g! N2 P; g) s6 S% m; }tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
  |- q$ T( L& v- J/ @2022-05-28 22:42:17,458 [71505] ERROR    gnocchi.utils: Unable to initialize coordination driver
! z2 I8 D: b& n; g) jTraceback (most recent call last):
+ W5 b4 C. G/ D5 t8 R% D  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 559, in connect
    sock = self._connect()
3 N: b1 e0 P# N+ J% x3 w  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 615, in _connect
    raise err
* R. ~' D; _$ R  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 603, in _connect
    sock.connect(socket_address)
# H5 E% }9 ]+ K. b6 R, t8 mConnectionRefusedError: [Errno 111] Connection refused
2 O- \8 e9 `2 T/ P, GDuring handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 58, in wrapper
. {1 g7 j$ L7 \, h    return func(*args, **kwargs)
0 ^8 ]* ~, X8 C2 p7 p  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
    self._server_info = self._client.info()
8 [  R  Y! q! R6 k$ m# u  File "/usr/lib/python3.6/site-packages/redis/client.py", line 1304, in info
" F! g5 J# u0 J2 a$ k$ m    return self.execute_command('INFO')
. @" s  r* L- m" t4 u  File "/usr/lib/python3.6/site-packages/redis/client.py", line 898, in execute_command
' Y* v1 J! i+ C- ?+ m    conn = self.connection or pool.get_connection(command_name, **options)
8 i& J$ j& r+ S- y: g7 }1 j! `0 S  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 1192, in get_connection
    connection.connect()
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 563, in connect
    raise ConnectionError(self._error_message(e))
redis.exceptions.ConnectionError: Error 111 connecting to controller:6379. Connection refused.
) W- W9 V" w; `, @- XThe above exception was the direct cause of the following exception:
- b3 ]( r" K3 t8 k+ RTraceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
' z' ^; H5 w" R$ H! a' }3 \/ S    result = fn(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
8 U4 {  {% `6 a# O& p" Y    coord.start(start_heart=True)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
    super(CoordinationDriverWithExecutor, self).start(start_heart)
2 j$ K: k7 ?9 |2 A% J4 t8 l3 ^  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
    self._start()
9 B1 o/ N- o3 e  j( j" d: m: w  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
& @. J3 [2 |7 ~5 ]8 U    cause=e)
  S. Z- n8 m: {+ ?" B' ?7 ^7 C  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
7 Z/ n9 P- N, \+ V0 j3 y    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 142, in raise_with_cause
7 d# R/ |; T; w" Z! w    raise exc_cls(message, *args, **kwargs) from kwargs.get('cause')
tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
% k. n& V& f, [

3 `( n. Q* Q5 S8 B0 C解决办法：
6 G7 Z5 p$ B. _' }5 R2 V: H( R1 S检查redis服务。
redis可以正常连接，就能解决问题。