Combine the Push and Pull metric controllers#1378
Merged
Aneurysm9 merged 45 commits intoopen-telemetry:masterfrom Jan 13, 2021
Merged
Combine the Push and Pull metric controllers#1378Aneurysm9 merged 45 commits intoopen-telemetry:masterfrom
Aneurysm9 merged 45 commits intoopen-telemetry:masterfrom
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added 17 commits
November 27, 2020 22:52
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Reviewers, I'll try to modify this PR so that the diffs show more clearly. |
jmacd
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Dec 1, 2020
krnowak
reviewed
Dec 14, 2020
This was referenced Dec 22, 2020
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@bogdandrutu Please review. |
dashpole
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Jan 7, 2021
Aneurysm9
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Jan 12, 2021
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I propose we merge this. |
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This combines the two metric controllers due to (1) substantial overlap and (2) a real use documented in open-telemetry/opentelemetry-specification#1207 (@sagikazarmark). This adds a new example demonstrating how to export to both Prometheus (Pull) and OTLP (Push).
To combine these features, the controller's
Start()method becomes optional, since starting the controller is not needed when using manualCollect()calls (a Pull-Only) configuration.Although the diff looks quite large, this is not much more than a simple combination of the code. In
controller.gothe structure is essentially the formerpush.gowith two methods frompull.goadded (Collect()andForEach()).Support for export and collection timeouts is introduced & tested. This closes an old TODO about where the context for asynchronous instruments comes from (with tests).
Fixes #1349.
Fixes #998.