func checkDns(env *config.Environment) error {
addrs, err := net.LookupIP("somehost.docker")
if err != nil {
return errors.New("Unable to resolve somehost.docker. Run setup to fix DNS settings.")
}
if !util.IpSliceContains(addrs, env.DockerDaemonIp) {
return errors.New("somehost.docker resolves to the wrong host. Run setup to fix DNS settings.")
}
return err
}
func dnsNeedsConfigure(envt *config.Environment) bool {
addrs, err := net.LookupIP("ping.docker")
return err != nil || !util.IpSliceContains(addrs, envt.DockerDaemonIp)
}