Initial code commit

pkg/utils/retry.go

@@ -0,0 +1,53 @@
+package utils
+
+import (
+	"fmt"
+	"time"
+)
+
+func RetryWithBackoff(maxAttempts int, initialDelay time.Duration, fn func() error) error {
+	var lastErr error
+	delay := initialDelay
+
+	for attempt := 1; attempt <= maxAttempts; attempt++ {
+		err := fn()
+		if err == nil {
+			return nil
+		}
+
+		lastErr = err
+
+		if attempt < maxAttempts {
+			time.Sleep(delay)
+			delay *= 2
+		}
+	}
+
+	return fmt.Errorf("max attempts (%d) reached, last error: %w", maxAttempts, lastErr)
+}
+
+func RetryWithExponentialBackoff(maxAttempts int, initialDelay, maxDelay time.Duration, fn func() error) error {
+	var lastErr error
+	delay := initialDelay
+
+	for attempt := 1; attempt <= maxAttempts; attempt++ {
+		err := fn()
+		if err == nil {
+			return nil
+		}
+
+		lastErr = err
+
+		if attempt < maxAttempts {
+			time.Sleep(delay)
+			if delay < maxDelay {
+				delay *= 2
+				if delay > maxDelay {
+					delay = maxDelay
+				}
+			}
+		}
+	}
+
+	return fmt.Errorf("max attempts (%d) reached, last error: %w", maxAttempts, lastErr)
+}