Add HostIPs field and update PodIPs field

pkg/apis/core/types.go

@@ -3482,12 +3482,15 @@ type PodDNSConfigOption struct {
 	Value *string
 }
 
-// PodIP represents the IP address of a pod.
-// IP address information. Each entry includes:
-//
-//	IP: An IP address allocated to the pod. Routable at least within
-//	    the cluster.
+// PodIP represents a single IP address allocated to the pod.
 type PodIP struct {
+	// IP is the IP address assigned to the pod
+	IP string
+}
+
+// HostIP represents a single IP address allocated to the host.
+type HostIP struct {
+	// IP is the IP address assigned to the host
 	IP string
 }
 
@@ -3637,9 +3640,21 @@ type PodStatus struct {
 	// give the resources on this node to a higher priority pod that is created after preemption.
 	// +optional
 	NominatedNodeName string
+
+	// HostIP holds the IP address of the host to which the pod is assigned. Empty if the pod has not started yet.
+	// A pod can be assigned to a node that has a problem in kubelet which in turns mean that HostIP will
+	// not be updated even if there is a node is assigned to pod
 	// +optional
 	HostIP string
 
+	// HostIPs holds the IP addresses allocated to the host. If this field is specified, the first entry must
+	// match the hostIP field. This list is empty if the pod has not started yet.
+	// A pod can be assigned to a node that has a problem in kubelet which in turns means that HostIPs will
+	// not be updated even if there is a node is assigned to this pod.
+	// match the hostIP field. This list is empty if no IPs have been allocated yet.
+	// +optional
+	HostIPs []HostIP
+
 	// PodIPs holds all of the known IP addresses allocated to the pod. Pods may be assigned AT MOST
 	// one value for each of IPv4 and IPv6.
 	// +optional