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55c5b07535
adds tracing and opentelemetry exporting to the LSP.
enable it in `.vscode/settings.json` (or wherever you configure the
LSP), like
```
{
"deno.tracing": true
}
```
which will by default export opentelemetry traces to `localhost:4317`
or
```
{
"deno.tracing": {
// all fields optional
"collector": "openTelemetry" (default) | "logging" (output in lsp log window)
"collectorEndpoint": "http://localhost:4318" (for opentelemetry)
"enable": true | false,
"filter": "info" // defaults to "info", but can be any span filter
}
}
```
---
a full working setup would be
1: Run jaeger (an opentelemetry collector with a nice UI):
```
docker run --rm -p 16686:16686 -p 4317:4317 jaegertracing/jaeger
```
2. Enable in .vscode/settings.json
```
{
"deno.tracing": true
}
```
3. Restart LSP (right now it only will start the opentelemetry exporter
on LSP startup)
3. open `http://localhost:16686` in your browser
---------
Co-authored-by: Nathan Whitaker <nathan@deno.com>
94 lines
2.4 KiB
Rust
94 lines
2.4 KiB
Rust
// Copyright 2018-2025 the Deno authors. MIT license.
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use deno_core::error::AnyError;
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use deno_core::unsync::spawn;
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pub use repl::ReplCompletionItem;
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pub use repl::ReplLanguageServer;
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use tower_lsp::LspService;
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use tower_lsp::Server;
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use self::diagnostics::should_send_diagnostic_batch_index_notifications;
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use crate::lsp::language_server::LanguageServer;
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use crate::util::sync::AsyncFlag;
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mod analysis;
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mod cache;
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mod capabilities;
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mod client;
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mod code_lens;
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mod completions;
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mod config;
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mod diagnostics;
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mod documents;
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mod jsr;
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pub mod language_server;
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mod logging;
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mod lsp_custom;
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mod npm;
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mod parent_process_checker;
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mod path_to_regex;
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mod performance;
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mod refactor;
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mod registries;
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mod repl;
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mod resolver;
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mod search;
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mod semantic_tokens;
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mod testing;
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mod text;
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mod trace;
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mod tsc;
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mod urls;
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pub async fn start() -> Result<(), AnyError> {
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let stdin = tokio::io::stdin();
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let stdout = tokio::io::stdout();
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let shutdown_flag = AsyncFlag::default();
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let builder = LspService::build(|client| {
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language_server::LanguageServer::new(
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client::Client::from_tower(client),
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shutdown_flag.clone(),
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)
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})
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.custom_method(
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lsp_custom::PERFORMANCE_REQUEST,
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LanguageServer::performance_request,
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)
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.custom_method(lsp_custom::TASK_REQUEST, LanguageServer::task_definitions)
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.custom_method(testing::TEST_RUN_REQUEST, LanguageServer::test_run_request)
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.custom_method(
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testing::TEST_RUN_CANCEL_REQUEST,
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LanguageServer::test_run_cancel_request,
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)
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.custom_method(
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lsp_custom::VIRTUAL_TEXT_DOCUMENT,
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LanguageServer::virtual_text_document,
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);
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let builder = if should_send_diagnostic_batch_index_notifications() {
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builder.custom_method(
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lsp_custom::LATEST_DIAGNOSTIC_BATCH_INDEX,
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LanguageServer::latest_diagnostic_batch_index_request,
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)
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} else {
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builder
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};
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let (service, socket, pending) = builder.finish();
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// TODO(nayeemrmn): This shutdown flag is a workaround for
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// https://github.com/denoland/deno/issues/20700. Remove when
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// https://github.com/ebkalderon/tower-lsp/issues/399 is fixed.
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// Force end the server 8 seconds after receiving a shutdown request.
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tokio::select! {
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biased;
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_ = Server::new(stdin, stdout, socket, pending).concurrency_level(32).serve(service) => {}
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_ = spawn(async move {
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shutdown_flag.wait_raised().await;
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tokio::time::sleep(std::time::Duration::from_secs(8)).await;
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}) => {}
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}
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Ok(())
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}
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