swift middleware should not block swift request when rpc is not avialable

[Mehdi Abaakouk]

Hi,

Actually when rpc is down, all swift requests is stalled until rpc is reconnected

Cheers

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swift middleware should not block swift request when rpc is not avialable"
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[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/35604

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/35604
Committed: http://github.com/openstack/ceilometer/commit/3f044dd1ace2da3dba65fdb9017b878ce902a554
Submitter: Jenkins
Branch: master

commit 3f044dd1ace2da3dba65fdb9017b878ce902a554
Author: Mehdi Abaakouk <email address hidden>
Date: Thu Jul 4 09:30:43 2013 +0200

    publisher.rpc: queing policies

    This change allow to configure the behavior of rpc publisher
    when rabbitmq is down.

    3 policies are available:
    - default: wait until it comes back if rabbit_max_retries <= 0
               raise a exception if rabbit_max_retries > 0
    - drop: don't publish the samples
    - queue: create a local queue of 'max_queue_length' samples

    Configuration of the policy is done via the publisher url
    example: rpc://?policy=queue&max_queue_length=100

    Change-Id: I41c9be9e1c760db1155711325434a1877e6dd7b2
    Fixes: bug#1192918 bug#1189488