task(customs): Add tracing to customs server

Because:
- We want to see traces

This Commit:
- Adds tracing to the customs server

packages/fxa-customs-server/bin/customs_server.js

@@ -4,10 +4,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-const server = require('../lib/server');
 const config = require('../lib/config').getProperties();
 const log = require('../lib/log')(config.log.level, 'customs-server');
 
+// Tracing must be initialized asap
+require('fxa-shared/tracing/node-tracing').init(config.tracing, log);
+
+const server = require('../lib/server');
+
 log.info({ op: 'config', config: config });
 
 function shutdown(code) {

packages/fxa-customs-server/lib/config/config.js

@@ -2,6 +2,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+const { tracingConfig } = require('fxa-shared/tracing/config');
+
 module.exports = function (fs, path, url, convict) {
   var conf = convict({
     env: {
@@ -325,6 +327,7 @@ module.exports = function (fs, path, url, convict) {
         env: 'SENTRY_SERVER_NAME',
       },
     },
+    tracing: tracingConfig,
     userDefinedRateLimitRules: {
       totpCodeRules: {
         actions: {

packages/fxa-customs-server/pm2.config.js

@@ -19,6 +19,7 @@ module.exports = {
         PATH,
         SENTRY_ENV: 'local',
         SENTRY_DSN: process.env.SENTRY_DSN_CUSTOMS,
+        TRACING_SERVICE_NAME: 'fxa-customs-server',
       },
       filter_env: ['npm_'],
       watch: ['bin', 'lib'],