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Adding Status and ID as attributes

Makes nerdctl events --format=json output more docker compatible by adding some missing attributes in nerdctl

Example docker events --format json output:

{"status":"start","id":"196016a57679bf42424484918746a9474cd905dd993c4d0f42..

(src: docker events doc)

Example nerdctl events --format json output after change:

{"Timestamp":"2024-07-18T19:10:40.489404968Z","ID":"ea3b75d7c5cf7e81b13f151dc7b4875e13c4f19776ca4c74f213866f0b016971","Namespace":"finch","Topic":"/tasks/start","Status":"START","Event":"{\"container_id\":\"ea3b75d7c5cf7e81b13f151dc7b4875e13c4f19776ca4c74f213866f0b016971\",\"pid\":39443}"}

(includes both status and id in output)

@CodeChanning CodeChanning marked this pull request as ready for review July 18, 2024 23:04
log.G(ctx).WithError(err).Warn("cannot marshal Any into JSON")
}

id := "unknown"
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should we initialize as "" which is default for golang

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because i think the clients might expect something like null to verify if the ID exist or not

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Got it. Changed the default value to be "".

@CodeChanning
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@AkihiroSuda PTAL when you get the chance

}

id := ""
_, ok := data["container_id"]
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This should be skipped when json.Unmarshal returned an error?

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Yes, it should. I added an else statement, so now this will only run if json.Unmarshal doesn't return an error.

@CodeChanning CodeChanning force-pushed the events_attr branch 2 times, most recently from 265bfbd to 7456760 Compare July 23, 2024 21:52
@AkihiroSuda AkihiroSuda added this to the v2.0.0 milestone Jul 24, 2024
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Thanks

@AkihiroSuda AkihiroSuda merged commit bec95c4 into containerd:main Jul 24, 2024
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3 participants