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Cloudflare export to BIND zone format - missing priority attribute #1428

gh-jamesmontgomery opened this issue Feb 17, 2020 · 1 comment


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@gh-jamesmontgomery gh-jamesmontgomery commented Feb 17, 2020


I have used 2.8.x and the trunk version - in both versions, I cannot access the priority value for a record, or export the zone to bind format without a key error.

Detailed Information

The following traceback is generated from zone.export_to_bind_format():

Traceback (most recent call last):
  File "", line 1, in
  File "/dns-copy/venv/lib/python3.7/site-packages/libcloud/dns/", line 78, in export_to_bind_format
    return self.driver.export_zone_to_bind_format(zone=self)
  File "/dns-copy/venv/lib/python3.7/site-packages/libcloud/dns/", line 418, in export_zone_to_bind_format
    line = self._get_bind_record_line(record=record)
  File "/dns-copy/venv/lib/python3.7/site-packages/libcloud/dns/", line 478, in _get_bind_record_line
    priority = str(record.extra['priority'])
KeyError: 'priority'

I was able to resolve the error by adding priority to 'libcloud/libcloud/dns/drivers/':


I can export to BIND format and retrieve MX record priorities with this change.


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@Kami Kami commented Feb 17, 2020

Thanks for reporting this.

I was able to reproduce the issue and also confirmed the fix. I pushed a fix in #1429.

Next time, please feel free to open a PR (and ideally also with tests) yourself :)

@Kami Kami closed this in fde71d2 Feb 17, 2020
Kami added a commit to Kami/libcloud that referenced this issue Feb 29, 2020
to the record.extra dictionary.

Without it, export_to_bind_format() method doesn't work.

Resolves apache#1428
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