[Merge] lp:~smoser/software-properties/trunk.lp-1779302-retry-recv-keys into lp:software-properties

[Scott Moser]

Scott Moser has proposed merging lp:~smoser/software-properties/trunk.lp-1779302-retry-recv-keys into lp:software-properties.

Commit message:
Retry on failed lookups of gpg keys.

Recent events have made keyserver.ubuntu.com (both hkp and https
interfaces) less reliable than they previously were.

The change here retries on failure to read from key server other than
a 404 error.


Requested reviews:
  Ubuntu Core Development Team (ubuntu-core-dev)
Related bugs:
  Bug #1779302 in software-properties (Ubuntu): "should retry reading key from keyserver (in _recv_key)"
  https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1779302

For more details, see:
https://code.launchpad.net/~smoser/software-properties/trunk.lp-1779302-retry-recv-keys/+merge/349213
-- 
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~smoser/software-properties/trunk.lp-1779302-retry-recv-keys into lp:software-properties.
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