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Feature/trace propagation (#96)

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* add b3 header for trace propagation on initial webhook

* logging

* add tracing context to all webhooks

* Add span parameter to Task.getTracingPropagation. Pass proper span to getTracingPropagation calls in Task methods to propagate the proper spanId (#91)

* some tracing cleanup

* bugfix: azure stt results need to be ordered by confidence level before processing (#92)

* fix assertion

* bugfix: vad was not enabled on config verb, restart STT on empty transcript in gather

* gather: dont send webhook if call is gone

* rest outdial: handle 302 redirect so we can later cancel request if needed (#95)

* gather: restart if we get an empty transcript (looking at you, Azure)

Co-authored-by: javibookline <98887695+javibookline@users.noreply.github.com>
This commit is contained in:
Dave Horton
2022-04-01 14:48:27 -04:00
committed by GitHub
parent ff8d7f3648
commit a950f9f738
18 changed files with 128 additions and 36 deletions
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19
lib/session/call-session.js
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@@ -230,6 +230,10 @@ class CallSession extends Emitter {
return this.backgroundGatherTask;
}
get b3() {
return this.rootSpan?.getTracingPropagation();
}
async enableBotMode(gather, autoEnable) {
try {
const t = normalizeJambones(this.logger, [gather]);
@@ -512,17 +516,20 @@ class CallSession extends Emitter {
async _lccCallHook(opts) {
const webhooks = [];
let sd, tasks, childTasks;
const b3 = this.b3;
const httpHeaders = b3 && {b3};
if (opts.call_hook || opts.child_call_hook) {
if (opts.call_hook) {
webhooks.push(this.requestor.request('session:redirect', opts.call_hook, this.callInfo.toJSON()));
webhooks.push(this.requestor.request('session:redirect', opts.call_hook, this.callInfo.toJSON(), httpHeaders));
}
if (opts.child_call_hook) {
/* child call hook only allowed from a connected Dial state */
const task = this.currentTask;
sd = task.sd;
if (task && TaskName.Dial === task.name && sd) {
webhooks.push(this.requestor.request('session:redirect', opts.child_call_hook, sd.callInfo.toJSON()));
webhooks.push(this.requestor.request(
'session:redirect', opts.child_call_hook, sd.callInfo.toJSON(), httpHeaders));
}
}
const [tasks1, tasks2] = await Promise.all(webhooks);
@@ -641,6 +648,8 @@ class CallSession extends Emitter {
async _lccWhisper(opts, callSid) {
const {whisper} = opts;
let tasks;
const b3 = this.b3;
const httpHeaders = b3 && {b3};
// this whole thing requires us to be in a Dial verb
const task = this.currentTask;
@@ -651,7 +660,7 @@ class CallSession extends Emitter {
// allow user to provide a url object, a url string, an array of tasks, or a single task
if (typeof whisper === 'string' || (typeof whisper === 'object' && whisper.url)) {
// retrieve a url
const json = await this.requestor(opts.call_hook, this.callInfo.toJSON());
const json = await this.requestor(opts.call_hook, this.callInfo.toJSON(), httpHeaders);
tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
}
else if (Array.isArray(whisper)) {
@@ -1264,7 +1273,9 @@ class CallSession extends Emitter {
const {span} = this.rootSpan.startChildSpan(`call-status:${this.callInfo.callStatus}`);
span.setAttributes(this.callInfo.toJSON());
try {
this.notifier.request('call:status', this.call_status_hook, this.callInfo.toJSON());
const b3 = this.b3;
const httpHeaders = b3 && {b3};
this.notifier.request('call:status', this.call_status_hook, this.callInfo.toJSON(), httpHeaders);
span.end();
} catch (err) {
span.end();