Setting the default hostIP for get kubeconfig

Update pkg/cluster/internal/providers/podman/provider.go

Co-authored-by: Antonio Ojea <[email protected]>

Author: kebe7jun

pkg/cluster/internal/providers/podman/provider.go

@@ -171,6 +171,15 @@ func (p *provider) DeleteNodes(n []nodes.Node) error {
 	return deleteVolumes(nodeVolumes)
 }
 
+// getHostIPOrDefault defaults HostIP to localhost if is not set
+// xref: https://github.com/kubernetes-sigs/kind/issues/3777
+func getHostIPOrDefault(hostIP string) string {
+	if hostIP == "" {
+		return "127.0.0.1"
+	}
+	return hostIP
+}
+
 // GetAPIServerEndpoint is part of the providers.Provider interface
 func (p *provider) GetAPIServerEndpoint(cluster string) (string, error) {
 	// locate the node that hosts this
@@ -266,7 +275,7 @@ func (p *provider) GetAPIServerEndpoint(cluster string) (string, error) {
 			}
 			for _, pm := range v {
 				if containerPort == common.APIServerInternalPort && protocol == "tcp" {
-					return net.JoinHostPort(pm.HostIP, pm.HostPort), nil
+					return net.JoinHostPort(getHostIPOrDefault(pm.HostIP), pm.HostPort), nil
 				}
 			}
 		}
@@ -278,7 +287,7 @@ func (p *provider) GetAPIServerEndpoint(cluster string) (string, error) {
 	}
 	for _, pm := range portMappings19 {
 		if pm.ContainerPort == common.APIServerInternalPort && pm.Protocol == "tcp" {
-			return net.JoinHostPort(pm.HostIP, strconv.Itoa(int(pm.HostPort))), nil
+			return net.JoinHostPort(getHostIPOrDefault(pm.HostIP), strconv.Itoa(int(pm.HostPort))), nil
 		}
 	}