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):
; ^* D  s! `: z& s' d: V! C7 M  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
, J$ |4 {& y1 u* F    result = fn(*args, **kwargs)
; H) H+ \- f/ B  H4 F2 c  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
: T& z( p7 Z, O  Q$ v    coord.start(start_heart=True)
* P' [$ S* [2 b5 ~. F6 V* {  [, K2 H  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
" T8 d& t! }; b' ?) N( a    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
8 D+ n: b% F: Q: W    cause=e)
  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
% @6 ~+ I6 H1 y: N' {# }' \% U$ j    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
& G1 D- A3 j  I( }" r& |4 Z2 z    raise exc_cls(message, *args, **kwargs) from kwargs.get('cause')
tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
2022-05-28 22:42:17,458 [71505] ERROR    gnocchi.utils: Unable to initialize coordination driver
( E7 e3 b7 i- kTraceback (most recent call last):
# h+ H7 T+ c  F7 d; `7 m. B2 N  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 559, in connect
8 }  r! Z8 c3 J4 D* ^. r    sock = self._connect()
. \* W9 k  G+ \3 z5 t  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 615, in _connect
    raise err
  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 603, in _connect
6 ?+ b9 ]) d7 h# [; P: r    sock.connect(socket_address)
ConnectionRefusedError: [Errno 111] Connection refused
( `. i- W9 w, S# B: V4 pDuring 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
    return func(*args, **kwargs)
) v% G% e9 I6 a9 y7 ~1 C  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
, N% j& V8 E7 P: {  ^    self._server_info = self._client.info()
  File "/usr/lib/python3.6/site-packages/redis/client.py", line 1304, in info
8 }" q0 V3 D! x1 F; F    return self.execute_command('INFO')
  File "/usr/lib/python3.6/site-packages/redis/client.py", line 898, in execute_command
7 p0 L8 s+ j% J3 P: S  ^$ a    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
4 l5 B+ v# l% H1 \0 l    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.
' v9 D3 v' M* h" a" yThe above exception was the direct cause of the following exception:
, Z( G5 {# @( d+ mTraceback (most recent call last):
! c7 s" y7 t6 \) ^0 N  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
    result = fn(*args, **kwargs)
& L5 f7 a7 z% U/ G  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
    coord.start(start_heart=True)
' Q* b  Y* _( g5 Q! a) g$ e+ S  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
- ?  C+ X8 R8 o  C/ @% J2 i" [    super(CoordinationDriverWithExecutor, self).start(start_heart)
3 [; v" z6 R7 f4 P9 }  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
1 X' U+ ^. {/ V9 R    self._start()
  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
3 }# v( O4 U8 Y2 d$ t9 m    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')
$ q* Y& a# H" D" a& h' Ltooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
  {5 S- a# j. B( g, Q
2 ?! r* H* Z1 c2 b4 Y
解决办法：
检查redis服务。
redis可以正常连接，就能解决问题。
8 E. Z* M' U$ o( Y3 j