Reviewed: https://review.opendev.org/c/openstack/neutron/+/942916
Committed:
https://opendev.org/openstack/neutron/commit/bc0741e689672eadc397e93858b15d21bca53759
Submitter: "Zuul (22348)"
Branch: master
commit bc0741e689672eadc397e93858b15d21bca53759
Author: Rodolfo Alonso Hernandez <ralon...@redhat.com>
Date: Thu Feb 27 15:41:50 2025 +0000
[eventlet-removal] Remove eventlet in the Metadata Agent
This patch removes the usage of eventlet in the Metadata Agent. The new
metadata proxy is based on the implementation done in [1]. This new
new implementation mimics the implementation of the
``UnixDomainWSGIServer`` class. The server listens to a file socket
that is populated by the HAProxy instance running inside the
network metadata namespace. The HAProxy writes the requests of the
virtual machines on the Unix file socket and the metadata proxy
sends the requests to the Nova metadata server.
This implementation doesn't use ``oslo.services`` to spawn the
processes or the local threads depending on the ``metadata_workers``
configuration variable. Right now only the embedded form (local thread)
is implemented (metadata_workers=0, the default value). Future
implementations will enable again this configuration variable.
[1]https://review.opendev.org/c/openstack/neutron/+/937545
Closes-Bug: #2099896
Change-Id: Ifadef192ef766a4f291643868686a98b591ddb40
** Changed in: neutron
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/2099896
Title:
[eventlet-removal] Remove the usage of eventlet in the Metadata agent
Status in neutron:
Fix Released
Bug description:
References:
* https://etherpad.opendev.org/p/oct2024-ptg-neutron
* https://etherpad.opendev.org/p/neutron-eventlet-deprecation
Remove the import and usage of the eventlet library in the Metadata
agent.
============================================================
The effort of implementing a metadata proxy server without eventlet
has been done in [1]. Following this patch as reference, the Metadata
agent should remove the usage of eventlet from its code base.
[1]https://review.opendev.org/c/openstack/neutron/+/937545
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