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):
9 D, m5 E0 }, d- c' b& v  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
    result = fn(*args, **kwargs)
9 Q* l7 b; M! R% q; c3 `  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
& u3 n( z9 A3 R2 B) C) n    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)
3 r3 N4 H/ X1 [  o% ]% _  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
# J3 z0 _# |$ `    self._start()
3 Z0 u& R# b. Z" m5 r  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
- Q) j6 S+ B; j    cause=e)
1 ?5 A& M1 i# o  A  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
2 V& U) i, O, H5 d0 Q: d( A    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')
tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
, k/ {. ?8 P0 P' D' L8 X! ]2022-05-28 22:42:17,458 [71505] ERROR    gnocchi.utils: Unable to initialize coordination driver
: `2 W- v! e) \' W6 g. z# JTraceback (most recent call last):
+ F, b+ L  \- d* k5 D  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 559, in connect
8 \% q* N; ^8 z) I( Q* ?! x! W    sock = self._connect()
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 615, in _connect
    raise err
% @8 H$ U% ~/ f3 K6 k9 g/ n! a  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 603, in _connect
    sock.connect(socket_address)
! M. u0 @; l! W" D: j+ O" fConnectionRefusedError: [Errno 111] Connection refused
During handling of the above exception, another exception occurred:
& m' F& a$ @1 c* k. m$ W# lTraceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 58, in wrapper
    return func(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
# P2 L7 y( m+ e3 q9 I! W    self._server_info = self._client.info()
* g/ `- P) c) B0 Z! u5 A& |  File "/usr/lib/python3.6/site-packages/redis/client.py", line 1304, in info
    return self.execute_command('INFO')
  File "/usr/lib/python3.6/site-packages/redis/client.py", line 898, in execute_command
* M7 M  |4 ^, O& ]8 O6 \7 b* a    conn = self.connection or pool.get_connection(command_name, **options)
8 W0 o" X  o2 K  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 1192, in get_connection
! s5 h! M0 ~: e/ H/ ?6 `* u# ~. g1 ~  J    connection.connect()
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 563, in connect
    raise ConnectionError(self._error_message(e))
, N4 Y- S( d- e* z9 a5 C7 G: `. Lredis.exceptions.ConnectionError: Error 111 connecting to controller:6379. Connection refused.
% Z" b- P) a! wThe above exception was the direct cause of the following exception:
, I7 R( f6 w! |- |Traceback (most recent call last):
( f$ Y# w* Q/ A9 l5 _1 p  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
1 \! k; ^5 m2 j) A8 `5 R    result = fn(*args, **kwargs)
) c9 P/ b8 K3 B  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
    coord.start(start_heart=True)
6 c  K4 L) R! w! b! w  a  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
$ ^9 W0 Y" p9 }' j% A- T4 I: G    super(CoordinationDriverWithExecutor, self).start(start_heart)
  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
    cause=e)
, e1 |! X( D# @" `" B$ e' a; ]  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
% M: u5 Z$ B8 v0 ?9 \/ M    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
" K6 Q0 {4 k8 y, z; \* d# W, K  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')
" S- ~0 X) A9 F2 e3 d5 u6 {7 Ptooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
$ H0 T! s! U0 X$ X2 J# a8 I

  |- E# l, e' ~5 T" C- a6 ~解决办法：
' F. a4 r- H2 s检查redis服务。
# T. M* ?6 B7 {- B8 m! Eredis可以正常连接，就能解决问题。