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add support for aws language model name when transcribing (#890)

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* add support for aws language model name when transcribing

* wip - from prev branch

* wip

* support both aws grpc and ws api - detect based on transcription payload

* update to drachtio-fsmrf@4.0.0

* fix for grpc compatibility, requires JAMBONES_AWS_TRANSCRIBE_USE_GRPC env

* back out major update to drachtio-srf and fsmrf; that should come in a separate PR

* update drachtio-srf
This commit is contained in:
Dave Horton
2024-10-12 19:46:31 -04:00
committed by GitHub
parent 98b968d61f
commit f541ff1a15
5 changed files with 650 additions and 403 deletions
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3
lib/tasks/gather.js
View File

@@ -1006,10 +1006,11 @@ class TaskGather extends SttTask {
if (code === 413 && error === 'Too much speech') return this._resolve('timeout');
}
this.logger.info({evt}, 'TaskGather:_onJambonzError');
const errMessage = evt.error || evt.Message;
writeAlerts({
account_sid: cs.accountSid,
alert_type: AlertType.STT_FAILURE,
message: `Custom speech vendor ${this.vendor} error: ${evt.error}`,
message: `Custom speech vendor ${this.vendor} error: ${errMessage}`,
vendor: this.vendor,
target_sid: cs.callSid
}).catch((err) => this.logger.info({err}, 'Error generating alert for jambonz custom connection failure'));

16
lib/tasks/stt-task.js
View File

@@ -3,6 +3,7 @@ const assert = require('assert');
const crypto = require('crypto');
const { TaskPreconditions, CobaltTranscriptionEvents } = require('../utils/constants');
const { SpeechCredentialError } = require('../utils/error');
const {JAMBONES_AWS_TRANSCRIBE_USE_GRPC} = require('../config');
class SttTask extends Task {
@@ -217,14 +218,25 @@ class SttTask extends Task {
region,
roleArn
});
this.logger.debug({roleArn}, `got aws access token ${servedFromCache ? 'from cache' : ''}`);
this.logger.debug({roleArn}, `(roleArn) got aws access token ${servedFromCache ? 'from cache' : ''}`);
credentials = {...credentials, accessKeyId, secretAccessKey, sessionToken};
} else if (vendor === 'verbio' && credentials.client_id && credentials.client_secret) {
}
else if (vendor === 'verbio' && credentials.client_id && credentials.client_secret) {
const {access_token, servedFromCache} = await getVerbioAccessToken(credentials);
this.logger.debug({client_id: credentials.client_id},
`got verbio access token ${servedFromCache ? 'from cache' : ''}`);
credentials.access_token = access_token;
}
else if (vendor == 'aws' && !JAMBONES_AWS_TRANSCRIBE_USE_GRPC) {
/* get AWS access token */
const {accessKeyId, secretAccessKey, securityToken, region } = credentials;
if (!securityToken) {
const { servedFromCache, ...newCredentials} = await getAwsAuthToken({accessKeyId, secretAccessKey, region});
this.logger.debug({newCredentials}, `got aws security token ${servedFromCache ? 'from cache' : ''}`);
credentials = {...newCredentials, region};
}
}
return credentials;
}