From 3a4992633ee62d5edfbb484d9c6bcb3cf158489d Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Mon, 31 Jul 2023 14:34:36 +0200
Subject: Migrate server to ESM

Sorry for the very big commit that may lead to git log issues and merge
conflicts, but it's a major step forward:

 * Server can be faster at startup because imports() are async and we can
   easily lazy import big modules
 * Angular doesn't seem to support ES import (with .js extension), so we
   had to correctly organize peertube into a monorepo:
    * Use yarn workspace feature
    * Use typescript reference projects for dependencies
    * Shared projects have been moved into "packages", each one is now a
      node module (with a dedicated package.json/tsconfig.json)
    * server/tools have been moved into apps/ and is now a dedicated app
      bundled and published on NPM so users don't have to build peertube
      cli tools manually
    * server/tests have been moved into packages/ so we don't compile
      them every time we want to run the server
 * Use isolatedModule option:
   * Had to move from const enum to const
     (https://www.typescriptlang.org/docs/handbook/enums.html#objects-vs-enums)
   * Had to explictely specify "type" imports when used in decorators
 * Prefer tsx (that uses esbuild under the hood) instead of ts-node to
   load typescript files (tests with mocha or scripts):
     * To reduce test complexity as esbuild doesn't support decorator
       metadata, we only test server files that do not import server
       models
     * We still build tests files into js files for a faster CI
 * Remove unmaintained peertube CLI import script
 * Removed some barrels to speed up execution (less imports)
---
 server/lib/opentelemetry/tracing.ts | 94 -------------------------------------
 1 file changed, 94 deletions(-)
 delete mode 100644 server/lib/opentelemetry/tracing.ts

(limited to 'server/lib/opentelemetry/tracing.ts')

diff --git a/server/lib/opentelemetry/tracing.ts b/server/lib/opentelemetry/tracing.ts
deleted file mode 100644
index 9a81680b2..000000000
--- a/server/lib/opentelemetry/tracing.ts
+++ /dev/null
@@ -1,94 +0,0 @@
-import { SequelizeInstrumentation } from 'opentelemetry-instrumentation-sequelize'
-import { context, diag, DiagLogLevel, trace } from '@opentelemetry/api'
-import { JaegerExporter } from '@opentelemetry/exporter-jaeger'
-import { registerInstrumentations } from '@opentelemetry/instrumentation'
-import { DnsInstrumentation } from '@opentelemetry/instrumentation-dns'
-import { ExpressInstrumentation } from '@opentelemetry/instrumentation-express'
-import FsInstrumentation from '@opentelemetry/instrumentation-fs'
-import { HttpInstrumentation } from '@opentelemetry/instrumentation-http'
-import { IORedisInstrumentation } from '@opentelemetry/instrumentation-ioredis'
-import { PgInstrumentation } from '@opentelemetry/instrumentation-pg'
-import { Resource } from '@opentelemetry/resources'
-import { BatchSpanProcessor } from '@opentelemetry/sdk-trace-base'
-import { NodeTracerProvider } from '@opentelemetry/sdk-trace-node'
-import { SemanticResourceAttributes } from '@opentelemetry/semantic-conventions'
-import { logger } from '@server/helpers/logger'
-import { CONFIG } from '@server/initializers/config'
-
-const tracer = trace.getTracer('peertube')
-
-function registerOpentelemetryTracing () {
-  if (CONFIG.OPEN_TELEMETRY.TRACING.ENABLED !== true) return
-
-  logger.info('Registering Open Telemetry tracing')
-
-  const customLogger = (level: string) => {
-    return (message: string, ...args: unknown[]) => {
-      let fullMessage = message
-
-      for (const arg of args) {
-        if (typeof arg === 'string') fullMessage += arg
-        else break
-      }
-
-      logger[level](fullMessage)
-    }
-  }
-
-  diag.setLogger({
-    error: customLogger('error'),
-    warn: customLogger('warn'),
-    info: customLogger('info'),
-    debug: customLogger('debug'),
-    verbose: customLogger('verbose')
-  }, DiagLogLevel.INFO)
-
-  const tracerProvider = new NodeTracerProvider({
-    resource: new Resource({
-      [SemanticResourceAttributes.SERVICE_NAME]: 'peertube'
-    })
-  })
-
-  registerInstrumentations({
-    tracerProvider,
-    instrumentations: [
-      new PgInstrumentation({
-        enhancedDatabaseReporting: true
-      }),
-      new DnsInstrumentation(),
-      new HttpInstrumentation(),
-      new ExpressInstrumentation(),
-      new IORedisInstrumentation({
-        dbStatementSerializer: function (cmdName, cmdArgs) {
-          return [ cmdName, ...cmdArgs ].join(' ')
-        }
-      }),
-      new FsInstrumentation(),
-      new SequelizeInstrumentation()
-    ]
-  })
-
-  tracerProvider.addSpanProcessor(
-    new BatchSpanProcessor(
-      new JaegerExporter({ endpoint: CONFIG.OPEN_TELEMETRY.TRACING.JAEGER_EXPORTER.ENDPOINT })
-    )
-  )
-
-  tracerProvider.register()
-}
-
-async function wrapWithSpanAndContext <T> (spanName: string, cb: () => Promise<T>) {
-  const span = tracer.startSpan(spanName)
-  const activeContext = trace.setSpan(context.active(), span)
-
-  const result = await context.with(activeContext, () => cb())
-  span.end()
-
-  return result
-}
-
-export {
-  registerOpentelemetryTracing,
-  tracer,
-  wrapWithSpanAndContext
-}
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