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Restrict Meters to only register and collect instruments it created #4333

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merged 8 commits into from Jul 19, 2023

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MrAlias
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@MrAlias MrAlias commented Jul 17, 2023

Do not allow the registration or collection of data for instruments from other Meters with the same scope (i.e. from different MeterProviders) (resolves #4164). Do this by comparing the instance of the meter that created an instrument with the meter the operation is being run for.

@MrAlias MrAlias added pkg:SDK Related to an SDK package area:metrics Part of OpenTelemetry Metrics labels Jul 17, 2023
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codecov bot commented Jul 17, 2023

Codecov Report

Merging #4333 (f6693b5) into main (f194fb0) will decrease coverage by 0.1%.
The diff coverage is 100.0%.

Additional details and impacted files

Impacted file tree graph

@@           Coverage Diff           @@
##            main   #4333     +/-   ##
=======================================
- Coverage   83.5%   83.4%   -0.1%     
=======================================
  Files        184     184             
  Lines      14366   14365      -1     
=======================================
- Hits       11997   11990      -7     
- Misses      2143    2149      +6     
  Partials     226     226             
Impacted Files Coverage Δ
sdk/metric/instrument.go 91.8% <100.0%> (+<0.1%) ⬆️
sdk/metric/meter.go 85.8% <100.0%> (-0.1%) ⬇️

... and 2 files with indirect coverage changes

@MrAlias MrAlias changed the title Restrict Meters to only accept and collect for instruments it created Restrict Meters to only register and collect instruments it created Jul 17, 2023
sdk/metric/meter.go Outdated Show resolved Hide resolved
@MrAlias MrAlias merged commit f2a9f2f into open-telemetry:main Jul 19, 2023
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@MrAlias MrAlias deleted the restrict-reg-inst-same-meter branch July 19, 2023 14:31
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Callbacks of instruments from other MeterProviders must not be collected
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