Plugins: Add tracing to pipeline (#115448)

pkg/plugins/manager/pipeline/termination/termination.go

@@ -3,9 +3,14 @@ package termination
 import (
 	"context"
 
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/plugins/config"
 	"github.com/grafana/grafana/pkg/plugins/log"
+	"github.com/grafana/grafana/pkg/semconv"
 )
 
 // Terminator is responsible for the Termination stage of the plugin loader pipeline.
@@ -20,6 +25,7 @@ type Terminate struct {
 	cfg            *config.PluginManagementCfg
 	terminateSteps []TerminateFunc
 	log            log.Logger
+	tracer         trace.Tracer
 }
 
 type Opts struct {
@@ -36,14 +42,20 @@ func New(cfg *config.PluginManagementCfg, opts Opts) (*Terminate, error) {
 		cfg:            cfg,
 		terminateSteps: opts.TerminateFuncs,
 		log:            log.New("plugins.termination"),
+		tracer:         otel.Tracer("github.com/grafana/grafana/pkg/plugins/manager/pipeline/termination"),
 	}, nil
 }
 
 // Terminate will execute the Terminate steps of the Termination stage.
 func (t *Terminate) Terminate(ctx context.Context, p *plugins.Plugin) (*plugins.Plugin, error) {
+	ctx, span := t.tracer.Start(ctx, "termination.Terminate", trace.WithAttributes(
+		semconv.GrafanaPluginId(p.ID),
+	))
+	defer span.End()
+
 	for _, terminate := range t.terminateSteps {
 		if err := terminate(ctx, p); err != nil {
-			return nil, err
+			return nil, tracing.Error(span, err)
 		}
 	}
 	return p, nil