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Federation API server is failing to process requests. #39594
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Yes @madhusudancs, the upgrade in etcd is causing the issues. |
Why alpha image? |
This is the image used in base kubernetes for etcd. Not sure why it is alpha |
This is the image we use in Kubernetes clusters. I believe this image's release cycle is tied to Kubernetes release cycle, which is also in alpha. Also note, etcd 3.0.14 is stable. I believe this is our modified version of the image that ships with necessary migration bits. @kubernetes/sig-scalability-misc, is this correct? |
it's not alpha, that was just a tag applied by folks adding the image to gcrio. Yes 3.0.14 is the correct version. |
Automatic merge from submit-queue (batch tested with PRs 39714, 39646) use etcd2 as storage-backend for federation until federation features are completely tested with etcd3 **What this PR does / why we need it**: move federation etcd to etcd3 **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #39594 **Special notes for your reviewer**: here is the [link](kubernetes/enhancements#44 (comment)) to announcement making etcd3 as default **Release note**: ```release-note ```
It looks like an
etcd3
compatibility issue from the initial debugging, but I haven't had a chance to do a thorough analysis.Federation control plane creates an
etcd
container with anetcd2
image and recent changes announced here https://groups.google.com/forum/#!topic/kubernetes-dev/WMPK5fyOorE might be the reason for the failures.Were there any changes to generic API server to make this change happen?
@nikhiljindal @shashidharatd, could one of you please take a look?
cc @kubernetes/sig-federation-misc @nikhiljindal @shashidharatd @csbell @timothysc
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