Open Stack

I wanted to make sure this got out to as much of the community as soon as possible.  This "new base service" will be part of Pike.  This means that etcd will be a requirement for Pike installations and beyond.

Most of you won't need to take any immediate actions, but knowing the plans for your future is always a good thing.  I'm trying to limit surprises here.

--Rocky

-----Original Message-----
From: Davanum Srinivas [mailto:davanum at gmail.com] 
Sent: Wednesday, June 07, 2017 3:48 AM
To: OpenStack Development Mailing List (not for usage questions) <openstack-dev at lists.openstack.org>
Subject: [openstack-dev] [all] etcd3 as base service - update

Team,

Here's the update to the base services resolution from the TC:
https://governance.openstack.org/tc/reference/base-services.html

First request is to Distros, Packagers, Deployers, anyone who installs/configures OpenStack:
Please make sure you have latest etcd 3.x available in your environment for Services to use, Fedora already does, we need help in making sure all distros and architectures are covered.

Any project who want to use etcd v3 API via grpc, please use:
https://pypi.python.org/pypi/etcd3 (works only for non-eventlet services)

Those that depend on eventlet, please use the etcd3 v3alpha HTTP API using:
https://pypi.python.org/pypi/etcd3gw

If you use tooz, there are 2 driver choices for you:
https://github.com/openstack/tooz/blob/master/setup.cfg#L29
https://github.com/openstack/tooz/blob/master/setup.cfg#L30

If you use oslo.cache, there is a driver for you:
https://github.com/openstack/oslo.cache/blob/master/setup.cfg#L33

Devstack installs etcd3 by default and points cinder to it:
http://git.openstack.org/cgit/openstack-dev/devstack/tree/lib/etcd3
http://git.openstack.org/cgit/openstack-dev/devstack/tree/lib/cinder#n356

Review in progress for keystone to use etcd3 for caching:
https://review.openstack.org/#/c/469621/

Doug is working on proposal(s) for oslo.config to store some configuration in etcd3:
https://review.openstack.org/#/c/454897/

So, feel free to turn on / test with etcd3 and report issues.

Thanks,
Dims

--
Davanum Srinivas :: https://twitter.com/dims

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