Function cannot access KairosDB Database

2019-09-30 10:01:04,286 INFO [<frozen run>]: ---PREDICTION BEGIN---
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 157, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py", line 61, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "/usr/local/lib/python3.6/socket.py", line 745, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -3] Temporary failure in name resolution

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 672, in urlopen
    chunked=chunked,
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 387, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/local/lib/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/local/lib/python3.6/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/local/lib/python3.6/http/client.py", line 964, in send
    self.connect()
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 184, in connect
    conn = self._new_conn()
  File "/usr/local/lib/python3.6/site-packages/urllib3/connection.py", line 169, in _new_conn
    self, "Failed to establish a new connection: %s" % e
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f3bf784b940>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 720, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/usr/local/lib/python3.6/site-packages/urllib3/util/retry.py", line 436, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='aluminium', port=8080): Max retries exceeded with url: /api/v1/version (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f3bf784b940>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/pm", line 10, in <module>
    sys.exit(main())
  File "<frozen cli>", line 1060, in main
  File "<frozen cli>", line 1056, in call
  File "<frozen run>", line 138, in pred_eval_save
  File "<frozen read>", line 113, in readinputfromkairosdb
  File "/usr/local/lib/python3.6/site-packages/pykairos/client.py", line 783, in __init__
    self.version = self.__get_server_version__()
  File "/usr/local/lib/python3.6/site-packages/pykairos/client.py", line 877, in __get_server_version__
    status_code, response = self.__get__("version")
  File "/usr/local/lib/python3.6/site-packages/pykairos/client.py", line 864, in __get__
    return self.__send_request__(rqst, return_json=return_json, return_key=return_key)
  File "/usr/local/lib/python3.6/site-packages/pykairos/client.py", line 842, in __send_request__
    response = self.__session__.send(request)
  File "/usr/local/lib/python3.6/site-packages/requests/sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/requests/adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='aluminium', port=8080): Max retries exceeded with url: /api/v1/version (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f3bf784b940>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',))