Add functional options for the Ark config install library

Signed-off-by: Mike Arpaia <mike@arpaia.co>

pkg/install/config.go

@@ -8,6 +8,32 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+type arkConfigOption func(*arkConfig)
+
+type arkConfig struct {
+	backupSyncPeriod time.Duration
+	gcSyncPeriod     time.Duration
+	restoreOnly      bool
+}
+
+func WithBackupSyncPeriod(t time.Duration) arkConfigOption {
+	return func(c *arkConfig) {
+		c.backupSyncPeriod = t
+	}
+}
+
+func WithGCSyncPeriod(t time.Duration) arkConfigOption {
+	return func(c *arkConfig) {
+		c.gcSyncPeriod = t
+	}
+}
+
+func WithRestoreOnly() arkConfigOption {
+	return func(c *arkConfig) {
+		c.restoreOnly = true
+	}
+}
+
 func Config(
 	namespace string,
 	pvCloudProviderName string,
@@ -15,7 +41,17 @@ func Config(
 	backupCloudProviderName string,
 	backupCloudProviderConfig map[string]string,
 	bucket string,
+	opts ...arkConfigOption,
 ) *arkv1.Config {
+	c := &arkConfig{
+		backupSyncPeriod: 30 * time.Minute,
+		gcSyncPeriod:     30 * time.Minute,
+	}
+
+	for _, opt := range opts {
+		opt(c)
+	}
+
 	return &arkv1.Config{
 		ObjectMeta: objectMeta(namespace, "default"),
 		PersistentVolumeProvider: &arkv1.CloudProviderConfig{
@@ -30,14 +66,14 @@ func Config(
 			Bucket: bucket,
 		},
 		BackupSyncPeriod: metav1.Duration{
-			Duration: 30 * time.Minute,
+			Duration: c.backupSyncPeriod,
 		},
 		GCSyncPeriod: metav1.Duration{
-			Duration: 30 * time.Minute,
+			Duration: c.gcSyncPeriod,
 		},
 		ScheduleSyncPeriod: metav1.Duration{
 			Duration: time.Minute,
 		},
-		RestoreOnlyMode: false,
+		RestoreOnlyMode: c.restoreOnly,
 	}
 }

pkg/install/deployment.go

@@ -8,27 +8,27 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-type deploymentOption func(*config)
+type deploymentOption func(*deploymentConfig)
 
-type config struct {
+type deploymentConfig struct {
 	image                    string
 	withoutCredentialsVolume bool
 }
 
 func WithImage(image string) deploymentOption {
-	return func(c *config) {
+	return func(c *deploymentConfig) {
 		c.image = image
 	}
 }
 
 func WithoutCredentialsVolume() deploymentOption {
-	return func(c *config) {
+	return func(c *deploymentConfig) {
 		c.withoutCredentialsVolume = true
 	}
 }
 
 func Deployment(namespace string, opts ...deploymentOption) *appsv1beta1.Deployment {
-	c := &config{
+	c := &deploymentConfig{
 		image: "gcr.io/heptio-images/ark:latest",
 	}