BIND 10 trac2020, created. 27ab58d1ad4771ec5e71d41e43fb836310bd4d4b [2020] catch failure of add_remote_xxx and leave a log message about it.

[BIND 10 source code commits]

The branch, trac2020 has been created
        at  27ab58d1ad4771ec5e71d41e43fb836310bd4d4b (commit)

- Log -----------------------------------------------------------------
commit 27ab58d1ad4771ec5e71d41e43fb836310bd4d4b
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 16:58:10 2012 -0700

    [2020] catch failure of add_remote_xxx and leave a log message about it.

commit 926983df95ba480878a289f34a95449bb8ebde21
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 16:27:00 2012 -0700

    [2020] define the default ZoneConfig ACL outside of the class.
    
    this will make the construction of ZoneConfig a bit more efficient.

commit eddd2459c8298b1693e3b38c0d6ebebdb237102f
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 16:20:35 2012 -0700

    [2020] make sure datasrc client is created only when auth DB is updated.
    
    b10-ddns now maintains the created datasrc until next config update,
    and keeps using it for update requests.  this will make the update process
    a bit more efficient.
    
    get_datasrc_client() is now effectively a private subroutine within ddns.py,
    so the test cases were updated so they will be tested indirectly.

commit 57c8937e293f8849ac962c419027347b3b1afdb3
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 13:34:12 2012 -0700

    [2020] cleanup: use module name to get remote config for auth instead of fname.
    
    using module name is more generic, and we can avoid differentiating various
    setups whether it's for unit test or running from source or as an installed
    system.  previously I thought it was more fragile in terms of start up
    timing, but on looking it further I realized it's not different from the
    case we use the module file.

commit 202bac3be117c0c93029b7cca008d3d2c6b854a7
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 13:26:05 2012 -0700

    [2020] updated ZoneConfig ctor so the 2ndary zones are a set, not a list.
    
    this will simplify the constructor, and would make more sense because the
    caller should be able to build the set beforehand anyway.  b10-ddns is
    updated accordingly.

commit 3a21a6c5b9f01618ad2b8d16ecaad8e2cbe880ce
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Tue Jun 12 11:17:53 2012 -0700

    [2020] get/maintain 2ndary zones from zonemgr and use it for update sessions.

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