add UpgradePlan to the kubeadm.output API group

Author: bart0sh

cmd/kubeadm/app/apis/output/register.go

@@ -48,6 +48,7 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 	scheme.AddKnownTypes(SchemeGroupVersion,
 		&BootstrapToken{},
 		&Images{},
+		&UpgradePlan{},
 	)
 	return nil
 }

cmd/kubeadm/app/apis/output/types.go

@@ -40,3 +40,20 @@ type Images struct {
 
 	Images []string
 }
+
+// ComponentUpgradePlan represents information about upgrade plan for one component
+type ComponentUpgradePlan struct {
+	Name           string
+	CurrentVersion string
+	NewVersion     string
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// UpgradePlan represents information about upgrade plan for the output
+// produced by 'kubeadm upgrade plan'
+type UpgradePlan struct {
+	metav1.TypeMeta
+
+	Components []ComponentUpgradePlan
+}

cmd/kubeadm/app/apis/output/v1alpha1/register.go

@@ -60,6 +60,7 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 	scheme.AddKnownTypes(SchemeGroupVersion,
 		&BootstrapToken{},
 		&Images{},
+		&UpgradePlan{},
 	)
 	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
 	return nil

cmd/kubeadm/app/apis/output/v1alpha1/types.go

@@ -40,3 +40,20 @@ type Images struct {
 
 	Images []string `json:"images"`
 }
+
+// ComponentUpgradePlan represents information about upgrade plan for one component
+type ComponentUpgradePlan struct {
+	Name           string `json:"name"`
+	CurrentVersion string `json:"currentVersion"`
+	NewVersion     string `json:"newVersion"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// UpgradePlan represents information about upgrade plan for the output
+// produced by 'kubeadm upgrade plan'
+type UpgradePlan struct {
+	metav1.TypeMeta
+
+	Components []ComponentUpgradePlan `json:"components"`
+}