k3s/pkg/util/api.go

package util

import (
	"net"
	"strconv"

	v1 "k8s.io/api/core/v1"
)

func GetAddresses(endpoint *v1.Endpoints) []string {
	serverAddresses := []string{}
	if endpoint == nil {
		return serverAddresses
	}
	for _, subset := range endpoint.Subsets {
		var port string
		if len(subset.Ports) > 0 {
			port = strconv.Itoa(int(subset.Ports[0].Port))
		}
		if port == "" {
			port = "443"
		}
		for _, address := range subset.Addresses {
			serverAddresses = append(serverAddresses, net.JoinHostPort(address.IP, port))
		}
	}
	return serverAddresses
}