test: add tracing

.github/workflows/test.yaml

@@ -234,6 +234,7 @@ jobs:
             generate-client-and-cli-install,
             generate-client-install,
             generate-client-install-on-sub-project,
+            tracing,
           ]
         clientEngine: ['library', 'binary']
         os: [ubuntu-latest] #, windows-latest, macos-latest]

core-features/tracing/README.md

@@ -0,0 +1,5 @@
+# Tracing
+
+Tests that tracing works within another traced application.
+
+Spins up a fastify web server, performs a request against that server, and then asserts that those traces and Prisma traces are nested correctly within each other.

core-features/tracing/app.js

@@ -0,0 +1,26 @@
+// enable Otel tracing in this app
+require('./tracing')
+const Fastify = require('fastify')
+const { PrismaClient } = require('@prisma/client')
+
+const app = Fastify()
+app.register(require('fastify-express'))
+
+const prisma = new PrismaClient()
+
+app.get('/users', async (_, reply) => {
+  const users = await prisma.user.findMany()
+
+  reply.send(users)
+})
+
+async function main() {
+  try {
+    await app.listen(4000)
+  } catch (error) {
+    console.log('error starting app')
+    throw error
+  }
+}
+
+main()

core-features/tracing/docker-compose.yml

@@ -0,0 +1,18 @@
+version: '3'
+services:
+  otel:
+    image: jaegertracing/all-in-one:1.35
+    environment:
+      COLLECTOR_OTLP_ENABLED: 'true'
+      COLLECTOR_ZIPKIN_HOST_PORT: ':9411'
+    ports:
+      - 6831:6831/udp
+      - 6832:6832/udp
+      - 5778:5778
+      - 16686:16686
+      - 4317:4317
+      - 4318:4318
+      - 14250:14250
+      - 14268:14268
+      - 14269:14269
+      - 9411:9411

core-features/tracing/finally.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -eux
+
+lsof -ti tcp:4000 | xargs kill