feat(api): create sentry plugin (#49731)

* feat(api): add sentry plugin

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Revert "feat(api): add sentry plugin"

This reverts commit fcde4ee03e9b83e335a6a2bccd490490e9993597.

install sentryNode

WIP: create sentry debug

WIP: find out why use errorhandler isn't typed correct

install sentry

add the deleted sentry code

create sentry plugin

* fix error found through sentry

* Polish sentry plugin

Co-authored-by: Niraj Nandish <nirajnandish@icloud.com>

* duplicate the changes made in the other plugin

* add done to seterrorHandler

* Fix a typo in sentry option

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* Stop the dns from running if a DSN wasn't provided

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* Polish the function and check the variable value

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* check the dsn dashboard in the env

* export dsn value if it isn't sentrydashboard

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* when the value is undefined init errors

* revert the if statement

* throw an error whenever an environment variable is not right

---------

Co-authored-by: Niraj Nandish <nirajnandish@icloud.com>
Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

api/package.json

@@ -10,6 +10,7 @@
     "@fastify/swagger": "^8.3.1",
     "@fastify/swagger-ui": "^1.5.0",
     "@prisma/client": "4.11.0",
+    "@sentry/node": "7.37.1",
     "connect-mongo": "4.6.0",
     "fastify": "4.15.0",
     "fastify-auth0-verify": "^1.0.0",

api/src/app.ts

@@ -14,6 +14,7 @@ import MongoStore from 'connect-mongo';
 import type { TypeBoxTypeProvider } from '@fastify/type-provider-typebox';
 import fastifySwagger from '@fastify/swagger';
 import fastifySwaggerUI from '@fastify/swagger-ui';
+import fastifySentry from './plugins/fastify-sentry';
 
 import jwtAuthz from './plugins/fastify-jwt-authz';
 import sessionAuth from './plugins/session-auth';
@@ -31,7 +32,8 @@ import {
   SESSION_SECRET,
   FCC_ENABLE_SWAGGER_UI,
   API_LOCATION,
-  FCC_ENABLE_DEV_LOGIN_MODE
+  FCC_ENABLE_DEV_LOGIN_MODE,
+  SENTRY_DSN
 } from './utils/env';
 
 export type FastifyInstanceWithTypeProvider = FastifyInstance<
@@ -52,6 +54,9 @@ export const build = async (
   });
   // NOTE: Awaited to ensure `.use` is registered on `fastify`
   await fastify.register(middie);
+  if (SENTRY_DSN) {
+    await fastify.register(fastifySentry, { dsn: SENTRY_DSN });
+  }
   await fastify.register(fastifyCookie);
   // @ts-expect-error - @fastify/session's types are not, yet, compatible with
   // express-session's types

api/src/plugins/fastify-sentry.ts

@@ -0,0 +1,19 @@
+import { init, captureException } from '@sentry/node';
+import { FastifyPluginCallback } from 'fastify';
+import fp from 'fastify-plugin';
+
+const fastifySentry: FastifyPluginCallback<{ dsn: string }> = (
+  fastify,
+  options,
+  done
+) => {
+  init(options);
+
+  fastify.setErrorHandler((error, request) => {
+    captureException(error);
+    request.log.error(error);
+  });
+  done();
+};
+
+export default fp(fastifySentry);

api/src/utils/env.ts

@@ -34,6 +34,12 @@ assert.ok(process.env.FCC_ENABLE_DEV_LOGIN_MODE);
 if (process.env.FREECODECAMP_NODE_ENV !== 'development') {
   assert.ok(process.env.PORT);
   assert.ok(process.env.MONGOHQ_URL);
+  assert.ok(process.env.SENTRY_DSN);
+  assert.notEqual(
+    process.env.SENTRY_DSN,
+    'dsn_from_sentry_dashboard',
+    `The DSN from Sentry's dashboard should be used.`
+  );
   assert.notEqual(
     process.env.SESSION_SECRET,
     'a_thirty_two_plus_character_session_secret',
@@ -58,3 +64,7 @@ export const FCC_ENABLE_SWAGGER_UI =
   process.env.FCC_ENABLE_SWAGGER_UI === 'true';
 export const FCC_ENABLE_DEV_LOGIN_MODE =
   process.env.FCC_ENABLE_DEV_LOGIN_MODE === 'true';
+export const SENTRY_DSN =
+  process.env.SENTRY_DSN === 'dsn_from_sentry_dashboard'
+    ? ''
+    : process.env.SENTRY_DSN;