Adam Harrison
b533a11bee
weave-npc needs some fixes from client-go master (specifically the unversioned.LabelSelector change)
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
|
|
"k8s.io/client-go/kubernetes"
|
|
api "k8s.io/client-go/pkg/api/v1"
|
|
"k8s.io/client-go/rest"
|
|
)
|
|
|
|
func getKubePeers() ([]string, error) {
|
|
config, err := rest.InClusterConfig()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
c, err := kubernetes.NewForConfig(config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
nodeList, err := c.Nodes().List(api.ListOptions{})
|
|
if err != nil {
|
|
// Fallback for cases (e.g. from kube-up.sh) where kube-proxy is not running on master
|
|
config.Host = "http://localhost:8080"
|
|
log.Print("error contacting APIServer: ", err, "; trying with fallback: ", config.Host)
|
|
c, err = kubernetes.NewForConfig(config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
nodeList, err = c.Nodes().List(api.ListOptions{})
|
|
}
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
addresses := make([]string, 0, len(nodeList.Items))
|
|
for _, peer := range nodeList.Items {
|
|
for _, addr := range peer.Status.Addresses {
|
|
if addr.Type == "InternalIP" {
|
|
addresses = append(addresses, addr.Address)
|
|
}
|
|
}
|
|
}
|
|
return addresses, nil
|
|
}
|
|
|
|
func main() {
|
|
peers, err := getKubePeers()
|
|
if err != nil {
|
|
log.Fatalf("Could not get peers: %v", err)
|
|
}
|
|
for _, addr := range peers {
|
|
fmt.Println(addr)
|
|
}
|
|
}
|