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feat(qe): Capture query logs and return with response
The Query engine server can use a new capture tracer that can capture the query logs for a Prisma Operation and return them as part of the response
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| use async_trait::async_trait; | ||
| use opentelemetry::{ | ||
| global, | ||
| sdk::{self}, | ||
| sdk::{ | ||
| export::trace::{ExportResult, SpanData, SpanExporter}, | ||
| propagation::TraceContextPropagator, | ||
| }, | ||
| trace::TracerProvider, | ||
| }; | ||
| use query_core::spans_to_json; | ||
| use std::fmt::Debug; | ||
| use std::{collections::HashMap, sync::Arc}; | ||
| use tokio::sync::Mutex; | ||
|
|
||
| /// Pipeline builder | ||
| #[derive(Debug)] | ||
| pub struct PipelineBuilder { | ||
| trace_config: Option<sdk::trace::Config>, | ||
| } | ||
|
|
||
| /// Create a new stdout exporter pipeline builder. | ||
| pub fn new_pipeline() -> PipelineBuilder { | ||
| PipelineBuilder::default() | ||
| } | ||
|
|
||
| impl Default for PipelineBuilder { | ||
| /// Return the default pipeline builder. | ||
| fn default() -> Self { | ||
| Self { trace_config: None } | ||
| } | ||
| } | ||
|
|
||
| impl PipelineBuilder { | ||
| /// Assign the SDK trace configuration. | ||
| pub fn with_trace_config(mut self, config: sdk::trace::Config) -> Self { | ||
| self.trace_config = Some(config); | ||
| self | ||
| } | ||
| } | ||
|
|
||
| impl PipelineBuilder { | ||
| pub fn install_simple(mut self, exporter: CaptureExporter) -> sdk::trace::Tracer { | ||
| global::set_text_map_propagator(TraceContextPropagator::new()); | ||
|
|
||
| let mut provider_builder = sdk::trace::TracerProvider::builder().with_simple_exporter(exporter); | ||
| if let Some(config) = self.trace_config.take() { | ||
| provider_builder = provider_builder.with_config(config); | ||
| } | ||
| let provider = provider_builder.build(); | ||
| let tracer = provider.tracer("opentelemetry"); | ||
| global::set_tracer_provider(provider); | ||
|
|
||
| tracer | ||
| } | ||
| } | ||
|
|
||
| /// A [`CaptureExporter`] that sends spans to stdout. | ||
| #[derive(Debug, Clone)] | ||
| pub struct CaptureExporter { | ||
| logs: Arc<Mutex<HashMap<String, Vec<SpanData>>>>, | ||
| } | ||
|
|
||
| impl CaptureExporter { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| logs: Default::default(), | ||
| } | ||
| } | ||
|
|
||
| pub async fn capture(&self, trace_id: String) { | ||
| let mut logs = self.logs.lock().await; | ||
| logs.insert(trace_id, Vec::new()); | ||
| } | ||
|
|
||
| pub async fn get(&self, trace_id: String) -> String { | ||
| let mut logs = self.logs.lock().await; | ||
| if let Some(spans) = logs.remove(&trace_id) { | ||
| spans_to_json(&spans) | ||
| } else { | ||
| String::new() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl Default for CaptureExporter { | ||
| fn default() -> Self { | ||
| Self::new() | ||
| } | ||
| } | ||
|
|
||
| #[async_trait] | ||
| impl SpanExporter for CaptureExporter { | ||
| async fn export(&mut self, batch: Vec<SpanData>) -> ExportResult { | ||
| let batch = batch.into_iter().filter(|span| span.name == "quaint:query"); | ||
|
|
||
| let mut logs = self.logs.lock().await; | ||
| for span in batch { | ||
| let trace_id = span.span_context.trace_id().to_string(); | ||
|
|
||
| if let Some(spans) = logs.get_mut(&trace_id) { | ||
| spans.push(span) | ||
| } | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
| } |
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