KEP-2831: Instrumenting Kubelet for OpenTelemetry Tracing #2832

sallyom · 2021-07-21T03:32:00Z

One-line PR description: Instrument kubelet to generate and export OpenTelemetry trace data.

Issue link: Kubelet OpenTelemetry Tracing #2831

keps/sig-instrumentation/2831-kubelet-tracing/README.md

dashpole · 2021-08-10T16:36:11Z

@sallyom let me know when comments are addressed and you are ready for another round of review

ehashman · 2021-09-08T17:51:58Z

/sig node

ehashman

Did a quick pass, I don't think this will make it in time for 1.23.

keps/sig-instrumentation/2831-kubelet-tracing/kep.yaml

keps/sig-instrumentation/2831-kubelet-tracing/README.md

keps/sig-instrumentation/2831-kubelet-tracing/kep.yaml

keps/sig-instrumentation/2831-kubelet-tracing/README.md

sallyom · 2021-09-09T15:47:22Z

@ehashman @dashpole thanks for your reviews. bummer, this won't make 1.23 but i'll keep on this to push for merge and kubelet changes with 1.24

dashpole

First pass

keps/sig-instrumentation/2831-kubelet-tracing/README.md

sallyom · 2021-10-10T01:16:20Z

@dashpole @ehashman ptal, thanks

sallyom · 2022-01-20T15:30:10Z

@ehashman ptal at the prod-readiness review for 1.24 freeze, thanks again :)

ehashman

PRR is nearly done, just a couple of small questions. Need node and @dashpole review as well :)

keps/sig-instrumentation/2831-kubelet-tracing/README.md

ehashman

/approve

for PRR. Leaving final LGTM to @dashpole

ehashman · 2022-01-26T19:35:26Z

keps/sig-instrumentation/2831-kubelet-tracing/kep.yaml

+owning-sig: sig-instrumentation
+participating-sigs:
+  - sig-architecture
+  - sig-node


SIG Node acked the KEP at the 2022-01-25 meeting.

dashpole · 2022-01-26T20:12:09Z

Once the comment about passthrough for trace context above is resolved, i'll lgtm

ddebroy

Will be great if we can call out support for tracing volume attach+mount related operations between Kubelet and the in-tree volume plugins + CSI node plugins.

Would also love to know if tracing from the perspective of individual PVs/Volumes across Kubelet/Attach-Detach controller and PV controller exists or is called out somewhere.

keps/sig-instrumentation/2831-kubelet-tracing/README.md

derekwaynecarr

the kep generally lgtm for sig-node.

defer to @dashpole for final review who has good understanding of kubelet as well.

keps/sig-instrumentation/2831-kubelet-tracing/README.md

k8s-ci-robot · 2022-02-02T22:21:47Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dashpole, derekwaynecarr, ehashman, sallyom

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

~~keps/prod-readiness/OWNERS~~ [ehashman]
~~keps/sig-instrumentation/OWNERS~~ [dashpole,derekwaynecarr,ehashman]

Approvers can indicate their approval by writing /approve in a comment
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Signed-off-by: Sally O'Malley <somalley@redhat.com> Co-authored-by: husky-parul <parsingh@redhat.com>

keps/sig-instrumentation/2831-kubelet-tracing/README.md

Co-authored-by: David Ashpole <dashpole@google.com>

dashpole · 2022-02-03T17:32:27Z

/lgtm

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Kubelet OpenTelemetry Tracing #2831

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kubelet tracing

34e9f59

Signed-off-by: Sally O'Malley <somalley@redhat.com> Co-authored-by: husky-parul <parsingh@redhat.com>

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Co-authored-by: David Ashpole <dashpole@google.com>

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k8s-ci-robot merged commit 7e55759 into kubernetes:master Feb 3, 2022

k8s-ci-robot added this to the v1.24 milestone Feb 3, 2022

sallyom mentioned this pull request Jul 18, 2022

Add docs for KubeletTracing feature gate 1.25 kubernetes/website#35137

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swagatbora90 mentioned this pull request Sep 23, 2022

Support otel tracing in cri remote image service kubernetes/kubernetes#112709

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KEP-2831: Instrumenting Kubelet for OpenTelemetry Tracing #2832

KEP-2831: Instrumenting Kubelet for OpenTelemetry Tracing #2832

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KEP-2831: Instrumenting Kubelet for OpenTelemetry Tracing #2832

KEP-2831: Instrumenting Kubelet for OpenTelemetry Tracing #2832

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