Add kubebuilder validation tags to Condition type

Author: damemi

staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto

@@ -1369,29 +1369,45 @@ type Condition struct {
 	// ---
 	// Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be
 	// useful (see .node.status.conditions), the ability to deconflict is important.
+	// The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
 	// +required
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:Pattern=`^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$`
+	// +kubebuilder:validation:MaxLength=316
 	Type string `json:"type" protobuf:"bytes,1,opt,name=type"`
 	// status of the condition, one of True, False, Unknown.
 	// +required
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:Enum=True;False;Unknown
 	Status ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status"`
 	// observedGeneration represents the .metadata.generation that the condition was set based upon.
 	// For instance, if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration is 9, the condition is out of date
 	// with respect to the current state of the instance.
 	// +optional
+	// +kubebuilder:validation:Minimum=0
 	ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,3,opt,name=observedGeneration"`
 	// lastTransitionTime is the last time the condition transitioned from one status to another.
 	// This should be when the underlying condition changed.  If that is not known, then using the time when the API field changed is acceptable.
 	// +required
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:Type=string
+	// +kubebuilder:validation:Format=date-time
 	LastTransitionTime Time `json:"lastTransitionTime" protobuf:"bytes,4,opt,name=lastTransitionTime"`
 	// reason contains a programmatic identifier indicating the reason for the condition's last transition.
 	// Producers of specific condition types may define expected values and meanings for this field,
 	// and whether the values are considered a guaranteed API.
 	// The value should be a CamelCase string.
 	// This field may not be empty.
 	// +required
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:MaxLength=1024
+	// +kubebuilder:validation:MinLength=1
+	// +kubebuilder:validation:Pattern=`^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$`
 	Reason string `json:"reason" protobuf:"bytes,5,opt,name=reason"`
 	// message is a human readable message indicating details about the transition.
 	// This may be an empty string.
 	// +required
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:MaxLength=32768
 	Message string `json:"message" protobuf:"bytes,6,opt,name=message"`
 }