Add RetrySettings validation function

Signed-off-by: Bogdan Drutu <[email protected]>

.chloggen/addretrysetvalidation.yaml

@@ -0,0 +1,13 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: "enhancement"
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: "exporterhelper"
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Add RetrySettings validation function"
+
+# One or more tracking issues or pull requests related to the change
+issues: [9089]

exporter/exporterhelper/retry_sender.go

@@ -39,6 +39,25 @@ type RetrySettings struct {
 	MaxElapsedTime time.Duration `mapstructure:"max_elapsed_time"`
 }
 
+func (cfg *RetrySettings) Validate() error {
+	if !cfg.Enabled {
+		return nil
+	}
+	if cfg.InitialInterval < 0 {
+		return errors.New("initial interval must be non-negative")
+	}
+	if cfg.Multiplier <= 0 {
+		return errors.New("multiplier must be positive")
+	}
+	if cfg.MaxInterval < 0 {
+		return errors.New("max interval must be non-negative")
+	}
+	if cfg.MaxElapsedTime < 0 {
+		return errors.New("max elapsed time must be non-negative")
+	}
+	return nil
+}
+
 // NewDefaultRetrySettings returns the default settings for RetrySettings.
 func NewDefaultRetrySettings() RetrySettings {
 	return RetrySettings{