Opentelemetry fixes #4966
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Opentelemetry fixes #4966
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mnaamani
reviewed
Nov 23, 2023
| import { ClientRequest, ServerResponse } from 'http' | ||
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| /** Opentelemetry Instrumentation for Joystream Distributor Node */ | ||
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| class CustomSpanProcessor extends BatchSpanProcessor { | ||
| onStart(span: Span) { | ||
| span.setAttribute('nodeId', process.env.JOYSTREAM_DISTRIBUTOR__ID) |
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Question: I see the code in the config parser setting this env variable, but it happens in the distributor code. Do we know that onStart() is called after the config parser has done it's job?
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Good question, the instrument code is loaded & initialized first and then the config parser will do its job, i.e. exporting the env vars. Because of this reason the first few spans when the distributor node starts will have nodeId as undefined (if the config was set through config.yml file and not as env vars).
mnaamani
reviewed
Nov 23, 2023
mnaamani
approved these changes
Nov 24, 2023
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This PR
.envfile in@joystream/opentelemetrymodule. Due to this bug theOTEL_APPLICATIONwas not exported and hence DefaultInstrumentation was used for Argus, and hence argus related attributes were not exported to ES.maxQueueSize&maxExportBatchSizespan processor options configurable