chore: fix some typos and serialization per recommendations

Signed-off-by: Matthew H. Irby <[email protected]>

Author: irby

api/v1alpha1/issuer_types.go

@@ -290,7 +290,7 @@ type HealthCheckConfig struct {
 
 	// The interval at which to health check the issuer when healthy. Defaults to 1 minute. Must not be less than "30s".
 	// +kubebuilder:validation:Optional
-	Interval *metav1.Duration `json:"interval"`
+	Interval *metav1.Duration `json:"interval,omitempty"`
 }
 
 func init() {

internal/controller/issuer_controller.go

@@ -171,7 +171,7 @@ func (r *IssuerReconciler) getHealthCheckInterval(log logr.Logger, issuer comman
 	}
 
 	if spec.HealthCheck.Interval == nil {
-		log.Info(fmt.Sprintf("health check spec value is nil, using default: %d seconds", defaultInterval))
+		log.Info(fmt.Sprintf("health check interval is nil, using default: %d seconds", defaultInterval))
 		return r.DefaultHealthCheckInterval, nil
 	}