`KeyError: 'status'` when running redisboard within Kubernetes Django

[abhinavsingh]

Hi, our integration with django-redisboard went well in DEV. But as we pushed this to our non-DEV environments, we are observing weird KeyError: 'status' issues. Here is what I tried:

1) Added a redis server with url as redis://cloud-redis-gcp-memstore. cloud-redis-gcp-memstore is the same entry that we use for Django's REDIS_HOST variable. But this failed. Looks like redisboard wasn't able to reach this host, while Django could.

2) Next, we added FQDN for cloud-redis-gcp-memstore.namespace.svc.cluster.local and it started working, but this time running into KeyError: 'status'. We also tried changing url to 10.244.20.116, internal IP over which redis is accessible, but we continue to get KeyError: 'status'.

It specifically errors out during

args | ["SLOWLOG GET",10]
-- | --
instance | ClosableStrictRedis<ConnectionPool<Connection<host=cloud-redis-gcp-memstore.namespace.svc.cluster.local,port=6379,db=0>>>

I am not sure if this issue is specific to Kubernetes environment in any ways. This worked out of box in DEV environment where redis url was simply redis://127.0.0.1

[ionelmc]

Do you have a traceback? What is the redis server version?

[abhinavsingh]

• Redis Version 6.x
• Stacktrace

  KeyError: 'status'
  File "django/db/models/options.py", line 681, in get_field
  return self.fields_map[field_name]
  FieldDoesNotExist: RedisServer has no field named 'status'
  File "django/contrib/admin/utils.py", line 272, in lookup_field
  f = _get_non_gfk_field(opts, name)
  File "django/contrib/admin/utils.py", line 303, in _get_non_gfk_field
  field = opts.get_field(name)
  File "django/db/models/options.py", line 683, in get_field
  raise FieldDoesNotExist(
  TypeError: sequence item 0: expected str instance, int found
  File "django/core/handlers/exception.py", line 55, in inner
  response = get_response(request)
  File "django/core/handlers/base.py", line 220, in _get_response
  response = response.render()
  File "django/template/response.py", line 114, in render
  self.content = self.rendered_content
  File "django/template/response.py", line 92, in rendered_content
  return template.render(context, self._request)
  File "django/template/backends/django.py", line 61, in render
  return self.template.render(context)
  File "elasticapm/instrumentation/packages/base.py", line 213, in call_if_sampling
  return self.call(module, method, wrapped, instance, args, kwargs)
  File "elasticapm/instrumentation/packages/django/template.py", line 46, in call
  return wrapped(*args, **kwargs)
  File "django/template/base.py", line 175, in render
  return self._render(context)
  File "django/template/base.py", line 167, in _render
  return self.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 157, in render
  return compiled_parent._render(context)
  File "django/template/base.py", line 167, in _render
  return self.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 157, in render
  return compiled_parent._render(context)
  File "django/template/base.py", line 167, in _render
  return self.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 157, in render
  return compiled_parent._render(context)
  File "django/template/base.py", line 167, in _render
  return self.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 63, in render
  result = block.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 63, in render
  result = block.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/template/loader_tags.py", line 63, in render
  result = block.nodelist.render(context)
  File "django/template/base.py", line 1005, in render
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 1005, in <listcomp>
  return SafeString("".join([node.render_annotated(context) for node in self]))
  File "django/template/base.py", line 966, in render_annotated
  return self.render(context)
  File "django/contrib/admin/templatetags/base.py", line 45, in render
  return super().render(context)
  File "django/template/library.py", line 258, in render
  _dict = self.func(*resolved_args, **resolved_kwargs)
  File "django/contrib/admin/templatetags/admin_list.py", line 336, in result_list
  "results": list(results(cl)),
  File "django/contrib/admin/templatetags/admin_list.py", line 312, in results
  yield ResultList(None, items_for_result(cl, res, None))
  File "django/contrib/admin/templatetags/admin_list.py", line 303, in __init__
  super().__init__(*items)
  File "django/contrib/admin/templatetags/admin_list.py", line 213, in items_for_result
  f, attr, value = lookup_field(field_name, result, cl.model_admin)
  File "django/contrib/admin/utils.py", line 281, in lookup_field
  value = attr(obj)
  File "redisboard/admin.py", line 76, in status
  return obj.stats.status
  File "functools.py", line 1001, in __get__
  val = self.func(instance)
  File "redisboard/models.py", line 173, in stats
  slowlog = conn.slowlog_get(num=REDISBOARD_SLOWLOG_NUM)
  File "redis/commands/core.py", line 1320, in slowlog_get
  return self.execute_command(*args, **kwargs)
  File "elasticapm/instrumentation/packages/base.py", line 213, in call_if_sampling
  return self.call(module, method, wrapped, instance, args, kwargs)
  File "elasticapm/instrumentation/packages/redis.py", line 66, in call
  return wrapped(*args, **kwargs)