Add additional printer columns

kubernetes/crds/machine.sapcloud.io_machines.yaml

@@ -16,7 +16,18 @@ spec:
     singular: machine
   scope: Namespaced
   versions:
-  - name: v1alpha1
+  - additionalPrinterColumns:
+    - description: Current status of the machine.
+      jsonPath: .status.currentStatus.phase
+      name: Status
+      type: string
+    - description: |-
+        CreationTimestamp is a timestamp representing the server time when this object was created. It is not guaranteed to be set in happens-before order across separate operations. Clients may not set this value. It is represented in RFC3339 form and is in UTC.
+        Populated by the system. Read-only. Null for lists. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+      jsonPath: .metadata.creationTimestamp
+      name: Age
+      type: date
+    name: v1alpha1
     schema:
       openAPIV3Schema:
         description: Machine is the representation of a physical or virtual machine.

pkg/apis/machine/v1alpha1/machine_types.go

@@ -31,6 +31,8 @@ import (
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 // +kubebuilder:object:root=true
 // +kubebuilder:subresource:status
+// +kubebuilder:printcolumn:name="Status",type=string,JSONPath=`.status.currentStatus.phase`,description="Current status of the machine."
+// +kubebuilder:printcolumn:name="Age",type=date,JSONPath=`.metadata.creationTimestamp`,description="CreationTimestamp is a timestamp representing the server time when this object was created. It is not guaranteed to be set in happens-before order across separate operations. Clients may not set this value. It is represented in RFC3339 form and is in UTC.\nPopulated by the system. Read-only. Null for lists. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata"
 
 // Machine is the representation of a physical or virtual machine.
 type Machine struct {