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oslo.messaging/oslo_messaging
Hervé Beraud 391ce7fc69 Correctly handle missing RabbitMQ queues
Currently, setting the '[oslo_messaging] direct_mandatory_flag' config
option to 'True' (the default) will result in a 'MessageUndeliverable'
exception being raised when sending a reply if a RabbitMQ queue is
missing [1]. It was the responsibility of the application to handle
this exception, however, many applications are not doing so. This has
resulted in a number of bug reports.

Start handling this error condition, using a retry loop to attempt to
resend the message and work around any temporary glitches. Since
attempting to send a reply will will no longer raise an exception,
there is little benefit in retaining the '[oslo_messaging]
direct_mandatory_flag' config option: users setting this to False will
simply not benefit from the retry logic and improved logging added
here. This option is already deprecated though and will be fully
removed in a future release.

[1] https://www.rabbitmq.com/channels.html

Change-Id: Id5cddbefbe24ef100f1cc522f44430df77d217cb
Closes-Bug: #1905965
(cherry picked from commit 4937949dff)
2 years ago
..
_drivers Correctly handle missing RabbitMQ queues 2 years ago
hacking Remove six usage 3 years ago
notify Remove six usage 3 years ago
rpc Add a ping endpoint to RPC dispatcher 3 years ago
tests add min of 1 to rpc_conn_pool_size 3 years ago
__init__.py Remove deprecated localcontext 7 years ago
_utils.py Remove the deprecated blocking executor 3 years ago
conffixture.py Add a ping endpoint to RPC dispatcher 3 years ago
dispatcher.py Remove six usage 3 years ago
exceptions.py Remove six usage 3 years ago
opts.py Add a ping endpoint to RPC dispatcher 3 years ago
serializer.py Remove six usage 3 years ago
server.py Remove six usage 3 years ago
target.py Fixups to the inline documentation 7 years ago
transport.py Remove six usage 3 years ago
version.py pbr.version.VersionInfo needs package name (oslo.xyz and not oslo_xyz) 6 years ago