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):
  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
) _6 f" F; E' N% S; K# @! m+ }    result = fn(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
: z; ~; C& i! h+ o2 Q    coord.start(start_heart=True)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
5 l. U4 M9 z: a8 E3 }& A4 F  U    super(CoordinationDriverWithExecutor, self).start(start_heart)
" [5 v$ @1 f/ [% ~. Y7 p  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
4 g9 ?$ U2 [) M+ [7 Z$ H    self._start()
3 `) U- X: \5 _" X. K  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
& R; T4 ]; v3 o6 P; R    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)
% C! G1 y/ v+ U6 N  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')
( V  G; o& \$ d) A2 W0 Stooz.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
3 ^6 R; ^# _- S, e% q- u! mTraceback (most recent call last):
4 o5 }2 j8 N  Z+ n' [$ f  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 559, in connect
  v' z& f& E( G  T& }% y9 u    sock = self._connect()
  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
7 }; w$ d2 [# O8 y$ a    sock.connect(socket_address)
/ k: z' p. d: \, L# U6 nConnectionRefusedError: [Errno 111] Connection refused
" A! D' b0 `$ W) eDuring handling of the above exception, another exception occurred:
  P# Z5 q" d& U! x7 S7 uTraceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 58, in wrapper
1 I7 M/ J0 e4 k+ M5 b8 U( p" H    return func(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
4 A9 ~+ o* x" _: t    self._server_info = self._client.info()
  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
- q- j4 z/ _" r    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()
8 ?1 @8 \7 c( R; |& B  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 563, in connect
  ?/ J2 i; T# j3 {$ ~    raise ConnectionError(self._error_message(e))
* W; v/ J+ h( H# [% E# N3 O# lredis.exceptions.ConnectionError: Error 111 connecting to controller:6379. Connection refused.
! F& |" s. T+ |8 j8 ^) S5 j! vThe above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
+ o) y+ K5 @  z! e% X3 L    result = fn(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
4 }' g  a, H; O8 D    coord.start(start_heart=True)
  D& g$ b  J# X; {  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 689, in start
. d" o8 ]% v$ f* \% [& k+ p  W* Z    super(CoordinationDriverWithExecutor, self).start(start_heart)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
$ x4 z# s& M- t, K    self._start()
! U, g2 T+ E$ t3 y4 N, |  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
& a+ M- {) Z) m) T! s    cause=e)
; J+ O2 G3 T: W+ ~, `  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
1 g! @/ y" V  c) i% Z3 v    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.

+ ]& r5 s* G) E( h
解决办法：
检查redis服务。
redis可以正常连接，就能解决问题。