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ctmap: dump CT entry's BackendID #32563

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ctmap: dump CT entry's BackendID #32563

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@julianwiedmann julianwiedmann commented May 16, 2024 •
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Service connections store their selected backend ID in the SVC-type CT entry. Dump this field on cilium-dbg bpf ct list global.

This then looks like:
TCP SVC 10.244.0.62:55394 -> 10.96.0.1:443 expires=158116 ... BackendID=1

@julianwiedmann julianwiedmann added sig/datapath Impacts bpf/ or low-level forwarding details, including map management and monitor messages. area/bugtool Impacts gathering of data for debugging purposes. release-note/misc This PR makes changes that have no direct user impact. feature/conntrack area/loadbalancing Impacts load-balancing and Kubernetes service implementations labels May 16, 2024
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/test

@julianwiedmann julianwiedmann marked this pull request as ready for review May 16, 2024 07:24
@julianwiedmann julianwiedmann requested a review from a team as a code owner May 16, 2024 07:24
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ctmap: dump CT entry's BackendID
74115aa 
Service connections store their selected backend ID in the SVC-type CT
entry. Dump this field on `cilium-dbg bpf ct list global`.

This then looks like:
TCP SVC 10.244.0.62:55394 -> 10.96.0.1:443 expires=158116 ... BackendID=1

Signed-off-by: Julian Wiedmann <jwi@isovalent.com>
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Moved the BackendID to the end of the formatted string, to avoid breaking code that parses the output (eg. the IPv4 Fragmentation tests).

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/test

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area/bugtool Impacts gathering of data for debugging purposes. area/loadbalancing Impacts load-balancing and Kubernetes service implementations feature/conntrack release-note/misc This PR makes changes that have no direct user impact. sig/datapath Impacts bpf/ or low-level forwarding details, including map management and monitor messages.
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