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transcribe: create otel child spans for each stt result that is returned in a long-running transcribe (#368)

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This commit is contained in:
Dave Horton
2023-06-02 14:25:32 -04:00
committed by GitHub
parent bd911c88f9
commit 01260ad054
1 changed files with 48 additions and 2 deletions
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50
lib/tasks/transcribe.js
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@@ -14,6 +14,8 @@ const {
} = require('../utils/constants');
const { normalizeJambones } = require('@jambonz/verb-specifications');
const STT_LISTEN_SPAN_NAME = 'stt-listen';
class TaskTranscribe extends Task {
constructor(logger, opts, parentTask) {
super(logger, opts);
@@ -50,6 +52,8 @@ class TaskTranscribe extends Task {
/* buffer for soniox transcripts */
this._sonioxTranscripts = [];
this.childSpan = [null, null];
}
get name() { return TaskName.Transcribe; }
@@ -237,6 +241,10 @@ class TaskTranscribe extends Task {
.catch((err) => this.logger.info(err, 'Error setting channel variables'));
await this._transcribe(ep);
/* start child span for this channel */
const {span, ctx} = this.startChildSpan(`${STT_LISTEN_SPAN_NAME}:${channel}`);
this.childSpan[channel - 1] = {span, ctx};
}
async _transcribe(ep) {
@@ -286,6 +294,12 @@ class TaskTranscribe extends Task {
}
}
/* we've got a transcript, so end the otel child span for this channel */
if (this.childSpan[channel - 1] && this.childSpan[channel - 1].span) {
this.childSpan[channel - 1].span.setAttributes({'stt.resolve': 'transcript', 'stt.result': JSON.stringify(evt)});
this.childSpan[channel - 1].span.end();
}
if (this.transcriptionHook) {
const b3 = this.getTracingPropagation();
const httpHeaders = b3 && {b3};
@@ -316,16 +330,38 @@ class TaskTranscribe extends Task {
this._clearTimer();
this.notifyTaskDone();
}
else {
/* start another child span for this channel */
const {span, ctx} = this.startChildSpan(`${STT_LISTEN_SPAN_NAME}:${channel}`);
this.childSpan[channel - 1] = {span, ctx};
}
}
_onNoAudio(cs, ep, channel) {
this.logger.debug(`TaskTranscribe:_onNoAudio restarting transcription on channel ${channel}`);
if (this.childSpan[channel - 1] && this.childSpan[channel - 1].span) {
this.childSpan[channel - 1].span.setAttributes({'stt.resolve': 'timeout'});
this.childSpan[channel - 1].span.end();
}
this._transcribe(ep);
/* start new child span for this channel */
const {span, ctx} = this.startChildSpan(`${STT_LISTEN_SPAN_NAME}:${channel}`);
this.childSpan[channel - 1] = {span, ctx};
}
_onMaxDurationExceeded(cs, ep, channel) {
this.logger.debug(`TaskTranscribe:_onMaxDurationExceeded restarting transcription on channel ${channel}`);
if (this.childSpan[channel - 1] && this.childSpan[channel - 1].span) {
this.childSpan[channel - 1].span.setAttributes({'stt.resolve': 'max duration exceeded'});
this.childSpan[channel - 1].span.end();
}
this._transcribe(ep);
/* start new child span for this channel */
const {span, ctx} = this.startChildSpan(`${STT_LISTEN_SPAN_NAME}:${channel}`);
this.childSpan[channel - 1] = {span, ctx};
}
_clearTimer() {
@@ -338,7 +374,7 @@ class TaskTranscribe extends Task {
this.logger.debug('TaskTranscribe:_onDeepgramConnect');
}
_onDeepGramConnectFailure(cs, _ep, _channel, evt) {
_onDeepGramConnectFailure(cs, _ep, channel, evt) {
const {reason} = evt;
const {writeAlerts, AlertType} = cs.srf.locals;
this.logger.info({evt}, 'TaskTranscribe:_onDeepgramConnectFailure');
@@ -349,6 +385,11 @@ class TaskTranscribe extends Task {
vendor: 'deepgram',
}).catch((err) => this.logger.info({err}, 'Error generating alert for deepgram connection failure'));
this.notifyError(`Failed connecting to speech vendor deepgram: ${reason}`);
if (this.childSpan[channel - 1] && this.childSpan[channel - 1].span) {
this.childSpan[channel - 1].span.setAttributes({'stt.resolve': 'connection failure'});
this.childSpan[channel - 1].span.end();
}
this.notifyTaskDone();
}
@@ -356,7 +397,7 @@ class TaskTranscribe extends Task {
this.logger.debug('TaskTranscribe:_onIbmConnect');
}
_onIbmConnectFailure(cs, _ep, _channel, evt) {
_onIbmConnectFailure(cs, _ep, channel, evt) {
const {reason} = evt;
const {writeAlerts, AlertType} = cs.srf.locals;
this.logger.info({evt}, 'TaskTranscribe:_onIbmConnectFailure');
@@ -367,6 +408,11 @@ class TaskTranscribe extends Task {
vendor: 'ibm',
}).catch((err) => this.logger.info({err}, 'Error generating alert for IBM connection failure'));
this.notifyError(`Failed connecting to speech vendor IBM: ${reason}`);
if (this.childSpan[channel - 1] && this.childSpan[channel - 1].span) {
this.childSpan[channel - 1].span.setAttributes({'stt.resolve': 'connection failure'});
this.childSpan[channel - 1].span.end();
}
this.notifyTaskDone();
}
_onIbmError(cs, _ep, _channel, evt) {