[opencensus] Add NewRelic (#7)

platform/opencensus/newrelic/exporter.go

@@ -0,0 +1,43 @@
+package newrelic
+
+import (
+ "context"
+
+ "github.com/newrelic/newrelic-opencensus-exporter-go/nrcensus"
+ "github.com/newrelic/newrelic-telemetry-sdk-go/telemetry"
+ "go.opencensus.io/trace"
+)
+
+// Exporter is NewRelic trace client.
+type Exporter struct {
+ Exporter *nrcensus.Exporter
+}
+
+// NewExporter returns initialized *Exporter.
+func NewExporter(serviceName, apiKey string, options ...func(*telemetry.Config)) (*Exporter, error) {
+ exp, err := nrcensus.NewExporter(serviceName, apiKey, options...)
+ if err != nil {
+ return nil, err
+ }
+ trace.RegisterExporter(exp)
+
+ return &Exporter{
+ Exporter: exp,
+ }, nil
+}
+
+// Flush waits for exported data to be uploaded.
+func (e *Exporter) Flush() {
+ e.flush()
+}
+
+// Close closes client.
+func (e *Exporter) Close() {
+ e.flush()
+}
+
+func (e *Exporter) flush() {
+ if h, ok := e.Exporter.Harvester.(*telemetry.Harvester); ok {
+ h.HarvestNow(context.Background())
+ }
+}