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

admin

The above exception was the direct cause of the following exception:
Traceback (most recent call last):
, u0 _( n' f- G  b. s  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
    result = fn(*args, **kwargs)
8 K( v0 J" F- ?$ h, I- _  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
    coord.start(start_heart=True)
/ C% O/ `7 }( h+ E+ Z8 C  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
$ D; C1 S+ f) D; W& s: _& Q. n. p    super(CoordinationDriverWithExecutor, self).start(start_heart)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
    self._start()
  N) s: P) t1 d: |" p( s& U  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
7 T) M, d" S1 \3 M    cause=e)
' E4 U0 L& V0 M: V! h  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
6 q6 T" }# d$ s# E4 m) C. K; }6 V  File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 142, in raise_with_cause
* o: V9 H' Q' t1 d/ v    raise exc_cls(message, *args, **kwargs) from kwargs.get('cause')
tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
2 ]4 i* M& k* N" G2022-05-28 22:42:17,458 [71505] ERROR    gnocchi.utils: Unable to initialize coordination driver
1 ]& J" T  S* ~" k, d4 N' GTraceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 559, in connect
    sock = self._connect()
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 615, in _connect
0 L* M# t4 r% k, C) M    raise err
, ~- U- z/ W) y7 o  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 603, in _connect
  Q0 u' e9 I6 X6 a    sock.connect(socket_address)
& Z. v9 u% M' Q  MConnectionRefusedError: [Errno 111] Connection refused
4 F. J) V1 G* l; bDuring handling of the above exception, another exception occurred:
  ]6 b/ B, j; \Traceback (most recent call last):
2 o& x9 ~  K& a  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 58, in wrapper
( G$ V% l; J3 ~; m4 f+ k7 d! c0 I    return func(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
; E3 c% ^( b1 t    self._server_info = self._client.info()
4 m( |$ e. i" H# c2 T8 _4 a' i  File "/usr/lib/python3.6/site-packages/redis/client.py", line 1304, in info
: C% r7 h% @0 E& d0 r# T( M' i" E. X% {, L    return self.execute_command('INFO')
  File "/usr/lib/python3.6/site-packages/redis/client.py", line 898, in execute_command
    conn = self.connection or pool.get_connection(command_name, **options)
  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
, F/ V' {% B' s* \' s& a    raise ConnectionError(self._error_message(e))
3 P; _+ G* |& [3 g  S2 Q# Q, g2 Xredis.exceptions.ConnectionError: Error 111 connecting to controller:6379. Connection refused.
5 a( h- r4 q1 D* CThe above exception was the direct cause of the following exception:
Traceback (most recent call last):
  C6 L, I- w) P; m  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
    result = fn(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
    coord.start(start_heart=True)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
; Q1 ~! m+ d+ ?! Y( d    super(CoordinationDriverWithExecutor, self).start(start_heart)
" M- U! ~+ [! S* D' A& n  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
) P5 _" x, _) U+ d8 W    self._start()
- N, _4 ]# ?( W% V  k7 J: H: R) p  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
    cause=e)
  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
  ~, J% O6 M& c. k2 J  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')
tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.


& X4 a4 T( P0 @/ D/ {: X3 S解决办法：
3 ]. ]  L, Y2 T6 ^检查redis服务。
% S  {" m" M* Y# S1 p3 Uredis可以正常连接，就能解决问题。