// getPublicIP returns the public IP associated with the machine with the
// given private IP.
func getPublicIP(c client.Client, privateIP string) (string, error) {
machines, err := c.QueryMachines()
if err != nil {
return "", err
}
for _, m := range machines {
if m.PrivateIP == privateIP {
return m.PublicIP, nil
}
}
return "", fmt.Errorf("no machine with private IP %s", privateIP)
}
func (getter clientGetterImpl) LeaderClient(localClient client.Client) (
client.Client, error) {
machines, err := localClient.QueryMachines()
if err != nil {
return nil, fmt.Errorf("unable to query machines: %s", err.Error())
}
// Try to figure out the lead minion's IP by asking each of the machines
// tracked by the local daemon.
for _, m := range machines {
if m.PublicIP == "" {
continue
}
ip, err := getter.getLeaderIP(localClient, m.PublicIP)
if err == nil {
return getter.Client(api.RemoteAddress(ip))
}
log.WithError(err).Debug("Unable to get leader IP")
}
return nil, errors.New("no leader found")
}