Fix version in trace (#30982)

Noticed the trace can't be imported because the tags are a nested as apparently the type was not restrictive of that.


## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`

packages/next/build/index.ts

@@ -133,7 +133,7 @@ export default async function build(
  runLint = true
 ): Promise<void> {
  const nextBuildSpan = trace('next-build', undefined, {
- attrs: { version: process.env.__NEXT_VERSION },
+ version: process.env.__NEXT_VERSION as string,
  })
 
  const buildResult = await nextBuildSpan.traceAsyncFn(async () => {

packages/next/server/dev/hot-reloader.ts

@@ -192,7 +192,7 @@ export default class HotReloader {
  this.previewProps = previewProps
  this.rewrites = rewrites
  this.hotReloaderSpan = trace('hot-reloader', undefined, {
- attrs: { version: process.env.__NEXT_VERSION },
+ version: process.env.__NEXT_VERSION as string,
  })
  // Ensure the hotReloaderSpan is flushed immediately as it's the parentSpan for all processing
  // of the current `next dev` invocation.

packages/next/trace/trace.ts

@@ -100,7 +100,11 @@ export class Span {
  }
 }
 
-export const trace = (name: string, parentId?: SpanId, attrs?: Object) => {
+export const trace = (
+ name: string,
+ parentId?: SpanId,
+ attrs?: { [key: string]: string }
+) => {
  return new Span({ name, parentId, attrs })
 }
 

scripts/send-trace-to-jaeger.mjs

@@ -49,11 +49,14 @@ file.pipe(eventStream.split()).pipe(
  )
  .then(async (res) => {
  if (res.status !== 202) {
- console.log({
- status: res.status,
- body: await res.text(),
- events: eventsJson,
- })
+ console.dir(
+ {
+ status: res.status,
+ body: await res.text(),
+ events: eventsJson,
+ },
+ { depth: null }
+ )
  }
  cb(null, '')
  })