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
- O# e. I, x& R: U    result = fn(*args, **kwargs)
- V- k5 K2 S& a% {  File "/usr/lib/python3.6/site-packages/gnocchi/cli/metricd.py", line 45, in get_coordinator_and_start
# v8 u- `4 E' b% b    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)
  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
0 [& B' o* x( Z# ~. L& `" y    self._start()
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
- w, j1 X- B; B" C    cause=e)
  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
( [/ v1 W' L. z$ M3 k2 Y' a9 o    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
' `+ R* _7 F, v7 c: k  File "/usr/lib/python3.6/site-packages/oslo_utils/excutils.py", line 142, in raise_with_cause
0 q' q3 I+ u; n0 Y2 L$ a    raise exc_cls(message, *args, **kwargs) from kwargs.get('cause')
$ I/ d- p( i  b  C$ T& Z) @3 `tooz.coordination.ToozConnectionError: Error 111 connecting to controller:6379. Connection refused.
9 F6 S/ J. Z7 Q) Y3 ^, i& V2022-05-28 22:42:17,458 [71505] ERROR    gnocchi.utils: Unable to initialize coordination driver
! h4 e: I$ i0 ^6 m! D, tTraceback (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
2 U* t* O3 |+ ~# S. w. f    raise err
5 s! x0 G/ \. z3 u- S  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 603, in _connect
    sock.connect(socket_address)
ConnectionRefusedError: [Errno 111] Connection refused
/ ]' B# @1 c7 o! U) J' x! p/ KDuring 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 M8 J7 \5 }/ |, z, j    return func(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 476, in _start
    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
    conn = self.connection or pool.get_connection(command_name, **options)
+ m* t: ~2 B1 U9 E; V  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 1192, in get_connection
    connection.connect()
# W% d* ^4 ~/ K9 W  File "/usr/lib/python3.6/site-packages/redis/connection.py", line 563, in connect
1 g6 c5 |8 Z* F0 b% t8 H    raise ConnectionError(self._error_message(e))
redis.exceptions.ConnectionError: Error 111 connecting to controller:6379. Connection refused.
2 I  V9 s/ r- m  FThe above exception was the direct cause of the following exception:
/ Y! v$ Y+ j  o, F5 b$ u* }Traceback (most recent call last):
8 x- ~& @8 Y8 l  File "/usr/lib/python3.6/site-packages/tenacity/__init__.py", line 412, in call
5 o, u& z4 H& [2 X    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
    super(CoordinationDriverWithExecutor, self).start(start_heart)
0 ]3 m4 o$ e3 `6 j" |) t  File "/usr/lib/python3.6/site-packages/tooz/coordination.py", line 426, in start
* k4 L9 m, f: s2 X* `# X    self._start()
: w6 j8 a' z1 G1 Z$ L  File "/usr/lib/python3.6/site-packages/tooz/drivers/redis.py", line 65, in wrapper
% R1 l/ a9 \7 ?, t9 [7 j, @    cause=e)
* y  g% ~- U& d- k# f  File "/usr/lib/python3.6/site-packages/tooz/utils.py", line 224, in raise_with_cause
1 g7 p* U. p2 u1 Z6 x+ |    excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
# Q- j( C) C% O: o% G6 `: K, r  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.


解决办法：
检查redis服务。
' U+ g/ A. W: @% credis可以正常连接，就能解决问题。