Initial cloud-services repo - gateway service + pkg modules

pkg/health/goroutines.go

@@ -0,0 +1,18 @@
+package health
+
+import (
+	"context"
+	"runtime"
+
+	"github.com/pkg/errors"
+)
+
+func NewGoRoutinesCheck(threshold int) CheckFunc {
+	return func(ctx context.Context) error {
+		count := runtime.NumGoroutine()
+		if count > threshold {
+			return errors.Errorf("too many goroutines (%d > %d)", count, threshold)
+		}
+		return nil
+	}
+}