feat: allow set image in simpleConfig.Registries.Create (#1056)

pkg/config/transform.go

@@ -314,10 +314,15 @@ func TransformSimpleToClusterConfig(ctx context.Context, runtime runtimes.Runtim
 			regName = simpleConfig.Registries.Create.Name
 		}
 
+		image := fmt.Sprintf("%s:%s", k3d.DefaultRegistryImageRepo, k3d.DefaultRegistryImageTag)
+		if simpleConfig.Registries.Create.Image != "" {
+			image = simpleConfig.Registries.Create.Image
+		}
+
 		clusterCreateOpts.Registries.Create = &k3d.Registry{
 			ClusterRef:   newCluster.Name,
 			Host:         regName,
-			Image:        fmt.Sprintf("%s:%s", k3d.DefaultRegistryImageRepo, k3d.DefaultRegistryImageTag),
+			Image:        image,
 			ExposureOpts: *regPort,
 		}
 	}

pkg/config/v1alpha4/schema.json

@@ -294,6 +294,13 @@
                 "2345"
               ],
               "default": "random"
+            },
+            "image": {
+              "type": "string",
+              "examples": [
+                "myregistry/registry:2"
+              ],
+              "default": "docker.io/library/registry:2"
             }
           },
           "additionalProperties": false

pkg/config/v1alpha4/types.go

@@ -85,6 +85,7 @@ type SimpleConfigRegistryCreateConfig struct {
 	Name     string `mapstructure:"name" yaml:"name,omitempty" json:"name,omitempty"`
 	Host     string `mapstructure:"host" yaml:"host,omitempty" json:"host,omitempty"`
 	HostPort string `mapstructure:"hostPort" yaml:"hostPort,omitempty" json:"hostPort,omitempty"`
+	Image    string `mapstructure:"image" yaml:"image,omitempty" json:"image,omitempty"`
 }
 
 // SimpleConfigOptionsKubeconfig describes the set of options referring to the kubeconfig during cluster creation.