openstack/mistral
Code Issues Proposed changes

Deprecate mistral coordination

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Mistral uses tooz coordination only for /v2/services endpoint, which is
giving the list of mistral services running per workers.
This is not enabled by default and need a backend_url to be set in
config for this feature to be enabled.

During the eventlet removal, we identified that some drivers in tooz
rely on the fact eventlet monkeypatching is enabled.

Since we want to get rid of eventlet, and because we think this services
endpoint is not widely used, let's deprecate that feature so we can move
forward with eventlet removal.

All coordination code may be deleted during the next cycle.

Related-bug: #2099954
Change-Id: Ia1a27d196b03297e25388b22181cc37f74837fa8
Signed-off-by: Arnaud M <arnaud.morin@gmail.com>
This commit is contained in:
Arnaud M 2025-02-25 01:01:56 +01:00
parent 2e3d2d7e58
commit c095c3715d
2 changed files with 15 additions and 0 deletions
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2
mistral/config.py
View File

@ -594,6 +594,8 @@ coordination_opts = [
cfg.StrOpt(
'backend_url',
secret=True,
deprecated_for_removal=True,
deprecated_reason='Coordination will be removed from mistral code',
help=_('The backend URL to be used for coordination')
),
cfg.FloatOpt(

13
releasenotes/notes/deprecate-coordination-cf5f28b30a8d407f.yaml Normal file
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@ -0,0 +1,13 @@
---
deprecations:
- |
The coordination service inside mistral has been used only to list the
mistral services list behind the endpoint ``v2/services``.
This feature is not enabled by default and needs a specific ``coordinator``
``backend_url`` configuration to be set for mistral to answer the services
list correctly.
Coordination rely on the ``tooz`` project and, depending on the driver in
use, may need eventlet monkeypatching.
Because we want to get rid of all eventlet code inside mistral, the
``v2/services`` endpoint is now deprecated and all coordination code
will be dropped in the next cycle.