Driver accepts two and one part hostnames in SRV URIs

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Minor - P4
    • 3.9
    • Affects Version/s: 3.7.2
    • Component/s: None
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      Initial seed list discovery spec requires that a DNS name given with SRV URI has a minimum of 3 parts total. However the Python driver accepts and queries two (and one) part names:

      >>> pymongo.MongoClient('mongodb+srv://google.com')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pymongo/mongo_client.py", line 514, in __init__
    res = uri_parser.parse_uri(entity, port, warn=True)
  File "pymongo/uri_parser.py", line 399, in parse_uri
    nodes = _get_dns_srv_hosts(fqdn)
  File "pymongo/uri_parser.py", line 289, in _get_dns_srv_hosts
    raise ConfigurationError(str(exc))
pymongo.errors.ConfigurationError: None of DNS query names exist: _mongodb._tcp.google.com., _mongodb._tcp.google.com.nyc.mongodb.network.
>>> pymongo.MongoClient('mongodb+srv://com')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pymongo/mongo_client.py", line 514, in __init__
    res = uri_parser.parse_uri(entity, port, warn=True)
  File "pymongo/uri_parser.py", line 399, in parse_uri
    nodes = _get_dns_srv_hosts(fqdn)
  File "pymongo/uri_parser.py", line 289, in _get_dns_srv_hosts
    raise ConfigurationError(str(exc))
pymongo.errors.ConfigurationError: None of DNS query names exist: _mongodb._tcp.com., _mongodb._tcp.com.nyc.mongodb.network.

      https://github.com/mongodb/specifications/blob/master/source/initial-dns-seedlist-discovery/initial-dns-seedlist-discovery.rst#seedlist-discovery

            Assignee:
            Bernie Hackett
            Reporter:
            Oleg Pudeyev (Inactive)
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              Created:
              Updated:
              Resolved: