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Ran 07 Apr 2022 12:03PM UTC

Files 919

Run time 2min

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Committed 07 Apr 2022 11:24AM UTC coverage: 34.085% (+0.03%) from 34.059%

Job # 40211.1

Build Type

push

travis-ci-com

Committed by

borkmann

Commit Message

cilium, lbmap: Use silent delete in deleteBackendLocked for now

This should hopefully relieve the large amount of CI flakes we've been seeing
recently, given the NAT46/64 work attempts to delete backends from both maps:

  [...]
  controller bpf-map-sync-cilium_lb6_backends_v2 failure '6 map sync errors'
  controller bpf-map-sync-cilium_lb4_backends_v2 failure '2 map sync errors'
  controller bpf-map-sync-cilium_lb6_backends_v2 failure '5 map sync errors'
  controller bpf-map-sync-cilium_lb4_backends_v2 failure '2 map sync errors'
  [...]

Use silent delete for now given we ignore these errors, so there is also zero
point in attempting to retry a delete if it failed previously anyway given the
element was not present.

Later, we'll refactor the deletion handling, so that we only delete in both
maps when we know NAT46/64 was involved. The patch here doesn't make things
better or worse, it just tells the controller to uselessly retry on missing
element.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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