Add bidirectional packet capture #6882
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@hangyan please let me know what you think about this |
antoninbas
reviewed
Dec 23, 2024
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Hey @hangyan @antoninbas, I made the changes in the bpf code according to the one generated by tcpdump. When I try to test the bidirectional packet capture, it fails with this log Could you please take a look and help me identify what might be going wrong? Also, golangci-lint is giving me this error even though I have changed the |
this error was reported by golangci on windows, we have a |
hangyan
reviewed
Jan 2, 2025
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I’ve added the Please let me know if any adjustments are needed or if there's anything else I should update or add. Captured packetsICMP (SourceToDestination) ICMP (DestinationToSource) ICMP (Both) TCP (SourceToDestination) TCP (DestinationToSource) TCP (Both) |
hangyan
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Jan 8, 2025
antoninbas
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Jan 8, 2025
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@antoninbas @hangyan I have refactored the |
antoninbas
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Jan 21, 2025
antoninbas
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Jan 28, 2025
antoninbas
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Feb 3, 2025
hangyan
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Feb 5, 2025
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@antoninbas @hangyan Changed the function and param name, and added some comments. Please let me know if there’s anything else I should take care of. |
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Hi @AryanBakliwal please re-base to the latest main branch and squash all your changes into one commit. Thanks. |
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antoninbas
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Mar 6, 2025
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LGTM, thanks for this great contribution and for your patience during the review process
@hangyan do you want to take another look?
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@AryanBakliwal I just started the Github workflows, let's see if there is any test or linting failure |
sure. will do it now and give my feedback soon |
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LGTM. Thanks @AryanBakliwal |
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Thank you @antoninbas and @hangyan for guiding me through this. Your support made it much easier :) |
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/test-all |
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@AryanBakliwal One if your new e2e tests has failed in CI. I'm copying the logs below for convenience. PTAL. Logs for failed test |
I'll look into it. |
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/test-all |
Signed-off-by: Aryan Bakliwal <[email protected]>
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/test-e2e |
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@antoninbas the e2e test is passing now |
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/test-all |
antoninbas
approved these changes
Mar 10, 2025
| if pc.Spec.Direction == crdv1alpha1.CaptureDirectionBoth { | ||
| assert.Contains(t, []string{srcIP.String(), dstIP.String()}, ip.SrcIP.String()) | ||
| assert.Contains(t, []string{srcIP.String(), dstIP.String()}, ip.DstIP.String()) | ||
| } else { |
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this code would be wrong for the DestinationToSource direction. Could you add a single e2e test case for the DestinationToSource direction as a follow-up PR, and update this verification function accordingly?
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Sure, will add it
| if ports.SrcPort != nil { | ||
| assert.Contains(t, []int32{int32(tcp.SrcPort), int32(tcp.DstPort)}, *ports.SrcPort) | ||
| } | ||
| } else { |
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fixes: #6862
A new
directionfield is added to the PacketCapture CRD.Packets can now be captured from source to destination (default),
destination to source, or in both directions.
Screenshot of the
.pcapngoutput file (both directions).