leader election changes - Githubissues

cisco-open / cluster-registry-controller

An operator that automatically synchronizes Kubernetes resources across multiple clusters

Apache License 2.0

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leader election changes #61

Closed waynz0r closed 1 year ago

waynz0r commented 1 year ago

Q	A
Bug fix?	yes
New feature?	yes
API breaks?	no
Deprecations?	no
Related tickets	fixes #36
License	Apache 2.0

What's in this PR?

Contains various changes around leader election and readiness handling

by default it release the leader role on exit
sets the webhooks' failure policy to Ignore on exit
speed up leader election by using shorter lease time by default
use simple ping readyz check to avoid indefinite pending at upgrade

Why?

The previous implementation has issues as it was discussed in #36. This PR aims to implement some changes to overcome those issues.

Checklist

[x] Implementation tested