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[Cherry pick #1973] Only use endpoint slices to generate network endpoints #1997

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gauravkghildiyal
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@gauravkghildiyal gauravkghildiyal commented Mar 10, 2023

Cherry pick of #1973

/assign @swetharepakula

swetharepakula and others added 3 commits March 9, 2023 17:35
 * remove Endpoints code path and only use EndpointSlices for endpoint
   decisions
 * removes --enable-endpoints-slices flag and makes that code path
   default and only option
The neg syncer was doing some wrong assumptions:

1. Endpoints that are not Ready can have Pods with deletionTimestamp
not nil.
The Endpoint and EndpointSlice controller will remove the Pod from
the corresponding object once it gets deleted (DeletionTimestamp != nil)

2. Any pod with deletionTimestamp == nil is valid, this is the most
dangerous assumption, since a pod can be Unready and be used.
 * terminating pods are already removed from the endpoints from the EPS,
   so this check is no longer needed.

 * this check was a remanent of using endpoints as the source of truth
   since endpoints did not have a terminating field
@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Mar 10, 2023
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Hi @gauravkghildiyal. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@k8s-ci-robot k8s-ci-robot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Mar 10, 2023
@k8s-ci-robot k8s-ci-robot requested review from aojea and thockin March 10, 2023 01:49
@k8s-ci-robot k8s-ci-robot added the size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. label Mar 10, 2023
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aojea commented Mar 10, 2023

/ok-to-test

@k8s-ci-robot k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Mar 10, 2023
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/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 14, 2023
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gauravkghildiyal, swetharepakula

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Mar 14, 2023
@k8s-ci-robot k8s-ci-robot merged commit e1bfeba into kubernetes:release-1.22 Mar 14, 2023
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4 participants