feat: Add DataDog profiler

pkg/instrumentation/profiler.go

@@ -0,0 +1,38 @@
+package instrumentation
+
+import "gopkg.in/DataDog/dd-trace-go.v1/profiler"
+
+// Profiler wraps DataDog profiles exporter.
+type Profiler struct {
+	enabled bool
+	start   func(options ...profiler.Option) error
+	stop    func()
+	options []profiler.Option
+}
+
+// Start calls DD profiler with options set during Profiler construction.
+func (p *Profiler) Start() error {
+	if !p.enabled {
+		return nil
+	}
+
+	return p.start(p.options...)
+}
+
+// Stop DataDog profiles exporter.
+func (p *Profiler) Stop() {
+	p.stop()
+}
+
+// NewProfiler constructs new profiler with options.
+// You can include common options like: profiler.WithService(appName), profiler.WithVersion(version).
+func NewProfiler(config *Config, options ...profiler.Option) *Profiler {
+	options = append(options, profiler.WithEnv(config.environment))
+
+	return &Profiler{
+		enabled: config.Enabled,
+		start:   profiler.Start,
+		stop:    profiler.Stop,
+		options: options,
+	}
+}