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Network policy fails when completed pods and running pods have the same IP #6507

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jsalatiel opened this issue Jul 5, 2024 · 0 comments · Fixed by #6508
Closed

Network policy fails when completed pods and running pods have the same IP #6507

jsalatiel opened this issue Jul 5, 2024 · 0 comments · Fixed by #6508
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@tnqn
Labels
area/network-policy Issues or PRs related to network policies. kind/bug Categorizes issue or PR as related to a bug. reported-by/end-user Issues reported by end users.
Milestone
Antrea v2.1 release

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@jsalatiel
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Describe the bug

When I have a running pod recycling an IP from a previous completed POD, several times the network policy matches the completed pod , but not the running pod. That leads to communication failure.

To Reproduce
When a cronjob pod completed and another pod created later recycles the IP

Expected
Network policy should work just fine.

Actual behavior
Inconsistent behaviour

Versions:

  • Antrea version (Docker image tag): antrea-ubuntu:v1.7.0

slack thread
@jsalatiel jsalatiel added the kind/bug Categorizes issue or PR as related to a bug. label Jul 5, 2024
@tnqn tnqn added this to the Antrea v2.1 release milestone Jul 5, 2024
@tnqn tnqn added the area/network-policy Issues or PRs related to network policies. label Jul 5, 2024
@tnqn tnqn self-assigned this Jul 5, 2024
@tnqn tnqn mentioned this issue Jul 5, 2024
Merged
@tnqn tnqn added the reported-by/end-user Issues reported by end users. label Jul 5, 2024
@tnqn tnqn closed this as completed in #6508 Jul 9, 2024
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@tnqn tnqn

Labels
area/network-policy Issues or PRs related to network policies. kind/bug Categorizes issue or PR as related to a bug. reported-by/end-user Issues reported by end users.
Projects
None yet
Milestone
Antrea v2.1 release
Development

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Exclude terminated Pods from group members tnqn/antrea
2 participants
@tnqn @jsalatiel