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SSE: (Instrumentation) Add Tracing (#66700)

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spans are prefixed `SSE.`
This commit is contained in:
Kyle Brandt
2023-04-18 08:04:51 -04:00
committed by GitHub
parent f3fcc31277
commit 840fb32ad8
20 changed files with 98 additions and 35 deletions
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pkg/expr/dataplane.go
+10 -3
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@@ -1,6 +1,7 @@
package expr
import (
"context"
"errors"
"fmt"
@@ -11,6 +12,8 @@ import (
"github.com/grafana/grafana-plugin-sdk-go/data"
"github.com/grafana/grafana/pkg/expr/mathexp"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/infra/tracing"
"go.opentelemetry.io/otel/attribute"
)
func shouldUseDataplane(frames data.Frames, logger *log.ConcreteLogger, disable bool) (dt data.FrameType, b bool, e error) {
@@ -55,8 +58,12 @@ func shouldUseDataplane(frames data.Frames, logger *log.ConcreteLogger, disable
return dt, true, nil
}
func handleDataplaneFrames(k data.FrameTypeKind, frames data.Frames) (mathexp.Results, error) {
switch k {
func handleDataplaneFrames(ctx context.Context, tracer tracing.Tracer, t data.FrameType, frames data.Frames) (mathexp.Results, error) {
_, span := tracer.Start(ctx, "SSE.HandleDataPlaneData")
defer span.End()
span.SetAttributes("dataplane.type", t, attribute.Key("dataplane.type").String(string(t)))
switch t.Kind() {
case data.KindUnknown:
return mathexp.Results{Values: mathexp.Values{mathexp.NoData{}.New()}}, nil
case data.KindTimeSeries:
@@ -64,7 +71,7 @@ func handleDataplaneFrames(k data.FrameTypeKind, frames data.Frames) (mathexp.Re
case data.KindNumeric:
return handleDataplaneNumeric(frames)
default:
return mathexp.Results{}, fmt.Errorf("kind %s not supported by server side expressions", k)
return mathexp.Results{}, fmt.Errorf("kind %s (type %s) not supported by server side expressions", t.Kind(), t)
}
}