Split pdata package by telemetry signal type #5087

dmitryax · 2022-03-25T07:24:02Z

This is an alternative to #4918 with the following package structure:

/model
  /pcommon (aliases to common API in /internal/pdata: Resource, Map, Value etc)
  /ptrace (aliases to traces API of internal/pdata)
  /plog (aliases to logs API of internal/pdata)
  /pmetric (aliases to metrics API of internal/pdata)

codecov · 2022-03-25T07:27:39Z

Codecov Report

Merging #5087 (f28481b) into main (caa4f27) will decrease coverage by 0.19%.
The diff coverage is 100.00%.

❗ Current head f28481b differs from pull request most recent head 762e945. Consider uploading reports for the commit 762e945 to get more accurate results

@@            Coverage Diff             @@
##             main    #5087      +/-   ##
==========================================
- Coverage   90.34%   90.14%   -0.20%     
==========================================
  Files         182      183       +1     
  Lines       11031    11022       -9     
==========================================
- Hits         9966     9936      -30     
- Misses        840      864      +24     
+ Partials      225      222       -3

Impacted Files	Coverage Δ
model/internal/pdata/generated_plog.go	`96.65% <ø> (ø)`
model/internal/pdata/generated_pmetric.go	`97.00% <ø> (ø)`
model/internal/pdata/generated_ptrace.go	`96.89% <ø> (ø)`
consumer/internal/consumer.go	`100.00% <100.00%> (ø)`
model/otlpgrpc/metrics.go	`43.54% <0.00%> (-20.39%)`	⬇️
model/otlpgrpc/logs.go	`43.54% <0.00%> (-16.46%)`	⬇️
model/otlpgrpc/traces.go	`43.54% <0.00%> (-16.46%)`	⬇️
model/otlp/json_unmarshaler.go	`76.92% <0.00%> (-2.39%)`	⬇️
config/mapprovider/filemapprovider/mapprovider.go	`82.35% <0.00%> (-1.86%)`	⬇️
config/configgrpc/configgrpc.go	`92.68% <0.00%> (-0.25%)`	⬇️
... and 14 more

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bogdandrutu

I like this, except the split of consumer which is out of scope for the pdata split.

dmitryax · 2022-03-28T04:24:42Z

Removed the split of consumer

dmitryax · 2022-03-30T18:15:09Z

Based on the results of the poll (7:2), #4918 is closed in favor of this PR

bogdandrutu · 2022-04-01T14:58:09Z

@open-telemetry/collector-maintainers please review

codeboten

Overall this looks good, just a couple of comments

CHANGELOG.md

exporter/exporterhelper/internal/persistent_queue_test.go

tigrannajaryan

LGTM.

I think in our discussions we can continue referring to the internal data collectively as pdata even when it is totally eliminated from the codebase. It is a convenient and catchy name.

dmitryax · 2022-04-04T17:51:24Z

I think in our discussions we can continue referring to the internal data collectively as pdata even when it is totally eliminated from the codebase. It is a convenient and catchy name.

I agree on using pdata name as reference to the all pipeline data structures. We agreed on using p<signal> as module names, but we still can to move them under an extra pdata directory and have the following structure if we want to:

/model
  /pdata
    /pcommon (aliases to common API in /internal/pdata: Resource, Map, Value etc)
    /ptrace (aliases to traces API of internal/pdata)
    /plog (aliases to logs API of internal/pdata)
    /pmetric (aliases to metrics API of internal/pdata)
  /semconv
  ...

@open-telemetry/collector-approvers please share you feedback if you think it'll be better.

tigrannajaryan · 2022-04-04T18:07:04Z

We agreed on using p<signal> as module names, but we still can to move them under an extra pdata directory

This approach works for me too. No strong opinion one way or another.

bogdandrutu · 2022-04-04T18:12:32Z

@dmitryax @tigrannajaryan what about a model -> pdata than semconv is it's own thing outside pdata module.

dmitryax · 2022-04-04T18:16:23Z

what about a model -> pdata than semconv is it's own thing outside pdata module.

I was also thinking about it. It means that we need to move model/otlp and model/otlpgrpc to pdata/p<signal>, right? I can submit a followup PR to see how it looks.

tigrannajaryan · 2022-04-04T18:16:43Z

@dmitryax @tigrannajaryan what about a model -> pdata than semconv is it's own thing outside pdata module.

We have other packages in model which strictly speaking are not pdata unless we stretch the term (which I would prefer not to). pdata in my mind is in-memory representation of Collector pipeline data.

bogdandrutu · 2022-04-04T18:19:03Z

I was also thinking about it. It means that we need to move model/otlp and model/otlpgrpc to pdata/p, right? I can submit a followup PR to see how it looks.

See #5027

We have other packages in model which strictly speaking are not pdata unless we stretch the term (which I would prefer not to). pdata in my mind is in-memory representation of Collector pipeline data.

Besides semconv nothing after we fix #5027

Aneurysm9 · 2022-04-04T19:03:47Z

We have other packages in model which strictly speaking are not pdata unless we stretch the term (which I would prefer not to). pdata in my mind is in-memory representation of Collector pipeline data.

This is how I think of it as well. It seems sufficiently different from OTLP, even if it is presently implemented as an API for managing an OTLP representation, that I think we should be careful about intermixing the concepts too much.

dmitryax · 2022-04-06T18:10:40Z

Looks like we have an agreement on how to merge otlp and otlpgrpc packages into pdata in #5027. According to that we will have the following modules instead if /model:

/pdata
  /ptrace (module)
    /ptraceotlp
  /pmetric (module)
    /pmetricotlp
  /plog (module)
    /plogotlp

/semconv (module)

If everyone is ok with this structure, I'm going to proceed with the following action items:

Move /model/internal to /internal
Update this PR to have /pdata/p<signal> instead of /model/p<signal>
Address Split otlp/otlpgrpc #5027 by introducing /model/p<signal>/p<signal>oltp packages

cc @bogdandrutu @tigrannajaryan @Aneurysm9

dmitryax · 2022-04-06T18:52:19Z

I tried a RP for (1) item #5161. It works but introduces interdependencies between go.opentelemetry.io/collector and go.opentelemetry.io/collector/model modules. So I'd rather update this PR in a different way to avoid the interdependencies but use more aliasing for the deprecated APIs.

dmitryax · 2022-04-08T00:18:33Z

It appeared to be pretty difficult to do what we agreed on by the steps that I outlined without introducing interdependencies between modules. To make it in a clean way, splitting of all the pdata related parts into a new module has to be done in one shot. I submitted another PR for that instead of reusing this one: #5168

dmitryax requested review from a team and jpkrohling March 25, 2022 07:24

dmitryax force-pushed the split-pdata-alternative branch from 58f49f9 to 9d76f9a Compare March 25, 2022 07:26

dmitryax force-pushed the split-pdata-alternative branch from 9d76f9a to 00bf3e9 Compare March 25, 2022 07:29

dmitryax marked this pull request as draft March 25, 2022 07:42

dmitryax force-pushed the split-pdata-alternative branch 2 times, most recently from 449d4b5 to c8471e8 Compare March 25, 2022 08:04

dmitryax mentioned this pull request Mar 25, 2022

Split pdata package by telemetry signal type #4918

Closed

dmitryax force-pushed the split-pdata-alternative branch from c8471e8 to f28481b Compare March 25, 2022 08:17

bogdandrutu requested changes Mar 25, 2022

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dmitryax force-pushed the split-pdata-alternative branch from f28481b to 4f48b62 Compare March 28, 2022 04:24

dmitryax mentioned this pull request Mar 28, 2022

Introduce additional consumer packages split by telemetry type #5086

Closed

dmitryax force-pushed the split-pdata-alternative branch 4 times, most recently from 9230a4f to 4b2a570 Compare March 29, 2022 20:44

dmitryax changed the title ~~Create additional pdata packages separated by signal type (alternative structure)~~ Split pdata package by telemetry signal type (alternative structure) Mar 29, 2022

dmitryax force-pushed the split-pdata-alternative branch 3 times, most recently from e153289 to 7b6470e Compare March 29, 2022 22:56

dmitryax marked this pull request as ready for review March 30, 2022 18:13

dmitryax changed the title ~~Split pdata package by telemetry signal type (alternative structure)~~ Split pdata package by telemetry signal type Mar 30, 2022

dmitryax force-pushed the split-pdata-alternative branch from 7b6470e to c8df699 Compare March 30, 2022 18:20

bogdandrutu approved these changes Apr 1, 2022

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codeboten reviewed Apr 1, 2022

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CHANGELOG.md Outdated Show resolved Hide resolved

exporter/exporterhelper/internal/persistent_queue_test.go Show resolved Hide resolved

dmitryax force-pushed the split-pdata-alternative branch from c8df699 to bfb7a9c Compare April 1, 2022 17:29

codeboten approved these changes Apr 1, 2022

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dmitryax mentioned this pull request Apr 1, 2022

[pdata] Consider removing wrapping for Span/TraceID #5137

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dmitryax force-pushed the split-pdata-alternative branch 2 times, most recently from 07f23e2 to e1f15ac Compare April 1, 2022 21:59

tigrannajaryan approved these changes Apr 4, 2022

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Split pdata package by telemetry signal type

762e945

dmitryax force-pushed the split-pdata-alternative branch from e1f15ac to 762e945 Compare April 4, 2022 23:46

dmitryax mentioned this pull request Apr 5, 2022

Split otlp/otlpgrpc #5027

Closed

dmitryax marked this pull request as draft April 6, 2022 18:10

This was referenced Apr 6, 2022

[pdata] Extract model/internal/pdata package into model/internal #5162

Merged

Make InstrumentationLibrary<signal>ToScope functions unexported #5164

Merged

Split model by signal type and move it to the new pdata module #5168

Merged

bogdandrutu closed this Apr 11, 2022

dmitryax deleted the split-pdata-alternative branch April 12, 2022 00:32

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Split pdata package by telemetry signal type #5087

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Split pdata package by telemetry signal type #5087

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