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IndexError: pop from an empty deque running makemigrations
Running MongoDB on a remote AWS EC2 machine.
Running the makemigrations goal throws the following error:
pymongo.errors.OperationFailure: Authentication failed., full error: {'ok': 0.0, 'errmsg': 'Authentication failed.', 'code': 18, 'codeName': 'AuthenticationFailed'}
However, right at the top, the trace says:
Traceback (most recent call last):
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 1394, in _get_socket
sock_info = self.sockets.popleft()
IndexError: pop from an empty deque
Tried solutions in #528 , but I guess they work when databases are local.
String connection is mongodb://<user>:<pass>@<aws_ec_2_hostname>:27017/denunciapaot?authSource=denunciapaot
Database denunciapaot does have this user, and the user has the proper permissions.
Snippet of my settings.py file:
import os
DATABASES = {
'default': {
'ENGINE': 'djongo',
'NAME': 'denunciapaot',
'ENFORCE_SCHEMA': False,
'USER': os.getenv('MONGO_USR'),
'PASSWORD': os.getenv('MONGO_PASSWD'),
'CLIENT': {
'host': 'mongodb://' +
os.getenv('MONGO_USR') +
':' +
os.getenv('MONGO_PASSWD') +
'@' +
os.getenv('MONGO_HOST') +
':' +
os.getenv('MONGO_PORT') +
'/' +
os.getenv('MONGO_DATABASE') +
'?authSource=denunciapaot'
}
}
}
Python version is 3.6.9
My requirements.txt:
asgiref==3.2.3
Django==3.0.3
djangorestframework==3.11.0
djongo==1.3.6
django-cors-headers==3.10.1
pytz==2019.3
sqlparse==0.2.4
gunicorn==20.0.4
pymongo==3.12.1
Traceback
Traceback (most recent call last):
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 1394, in _get_socket
sock_info = self.sockets.popleft()
IndexError: pop from an empty deque
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 22, in <module>
main()
File "manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
utility.execute()
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/base.py", line 328, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/base.py", line 369, in execute
output = self.handle(*args, **options)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/base.py", line 83, in wrapped
res = handle_func(*args, **kwargs)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 86, in handle
executor = MigrationExecutor(connection, self.migration_progress_callback)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/migrations/executor.py", line 18, in __init__
self.loader = MigrationLoader(self.connection)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 49, in __init__
self.build_graph()
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 212, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/migrations/recorder.py", line 76, in applied_migrations
if self.has_table():
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/migrations/recorder.py", line 56, in has_table
return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor())
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/backends/base/introspection.py", line 48, in table_names
return get_names(cursor)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/django/db/backends/base/introspection.py", line 43, in get_names
return sorted(ti.name for ti in self.get_table_list(cursor)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/djongo/introspection.py", line 47, in get_table_list
for c in cursor.db_conn.list_collection_names()
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/database.py", line 886, in list_collection_names
for result in self.list_collections(session=session, **kwargs)]
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/database.py", line 849, in list_collections
_cmd, read_pref, session)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1519, in _retryable_read
read_pref, server, session) as (
File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
return next(self.gen)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1371, in _secondaryok_for_server
with self._get_socket(server, session) as sock_info:
File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
return next(self.gen)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/mongo_client.py", line 1309, in _get_socket
self.__all_credentials, handler=err_handler) as sock_info:
File "/usr/lib/python3.6/contextlib.py", line 81, in __enter__
return next(self.gen)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 1331, in get_socket
sock_info = self._get_socket(all_credentials)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 1397, in _get_socket
sock_info = self.connect(all_credentials)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 1297, in connect
sock_info.check_auth(all_credentials)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 820, in check_auth
self.authenticate(credentials)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 837, in authenticate
auth.authenticate(credentials, self)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/auth.py", line 672, in authenticate
auth_func(credentials, sock_info)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/auth.py", line 592, in _authenticate_default
return _authenticate_scram(credentials, sock_info, 'SCRAM-SHA-1')
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/auth.py", line 333, in _authenticate_scram
res = sock_info.command(source, cmd)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/pool.py", line 721, in command
exhaust_allowed=exhaust_allowed)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/network.py", line 163, in command
parse_write_concern_error=parse_write_concern_error)
File "/home/ubuntu/.virtualenvs/denunciapaot-env/lib/python3.6/site-packages/pymongo/helpers.py", line 167, in _check_command_response
raise OperationFailure(errmsg, code, response, max_wire_version)
pymongo.errors.OperationFailure: Authentication failed., full error: {'ok': 0.0, 'errmsg': 'Authentication failed.', 'code': 18, 'codeName': 'AuthenticationFailed'}
Work for me when you put the config like this :
'mongodb': {
'ENGINE': 'djongo',
'ENFORCE_SCHEMA': False,
'NAME': env('MONGO_DB_DATABASE'),
'CLIENT': {
'host': 'mongodb://{0}:{1}@{2}'.format(
env('MONGO_DB_USERNAME'), env('MONGO_DB_PASSWORD'), env('MONGO_DB_HOST')
),
},
}