BIND 10 #2739: when adding a master zone from a zone file, bindctl does not report errors if the zone cannot be loaded

[BIND 10 Development]

#2739: when adding a master zone from a zone file, bindctl does not report errors
if the zone cannot be loaded
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            Reporter:  cas           |                        Owner:
                Type:  defect        |                       Status:  new
            Priority:  high          |                    Milestone:  New
           Component:  Unclassified  |  Tasks
            Keywords:                |                   Resolution:
           Sensitive:  0             |                 CVSS Scoring:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by cas):

 Ideas:

 1)
 provide a version of the "loadzone" command that is synchronous (blocks)
 and one that works asynchronous.

 The synchronous would be the default (for the more clueless part-time DNS
 admins), the asynchronous would be for the expert users that have large
 zone files and know where to look for error messages

 BIND 9 now reports back most of loading errors, the exception is "rndc
 refresh" for slave zones

 BIND 9 "rndc" not reporting back on errors is most often complained about
 in the BIND 9 trainings. It really gives users a hard time. What use is a
 _remote_ control tool if you need to be logged into the server system
 anyway to inspect the log messages?

 2)
 have a log message buffer in cmdctrl that stores the last X log messages
 and a command in bindctl (and other interfaces) to list the last error
 messages from the buffer. A way to filter on the log messages in bindctl
 would be useful

 3)
 have bindctl "poll" (in some intelligent way) the progress and report back
 to the user once the zone is loaded. This could also report back progress
 for large zones (zone "example.com" loaded 24% - 23.876 RR to go)

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Ticket URL: <http://bind10.isc.org/ticket/2739#comment:2>
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