func NewLocalCluster() (*LocalCluster, error) {
lc := &LocalCluster{}
var err error
lc.nshandle, err = NsCreate()
if err != nil {
return nil, err
}
lc.AddCloser(&lc.nshandle)
dialer := NewNsDialer(lc.nshandle)
lc.SSHAgent, err = network.NewSSHAgent(dialer)
if err != nil {
lc.Destroy()
return nil, err
}
lc.AddCloser(lc.SSHAgent)
// dnsmasq and etcd much be launched in the new namespace
nsExit, err := NsEnter(lc.nshandle)
if err != nil {
return nil, err
}
defer nsExit()
lc.Dnsmasq, err = NewDnsmasq()
if err != nil {
lc.Destroy()
return nil, err
}
lc.AddDestructor(lc.Dnsmasq)
lc.SimpleEtcd, err = NewSimpleEtcd()
if err != nil {
lc.Destroy()
return nil, err
}
lc.AddDestructor(lc.SimpleEtcd)
lc.NTPServer, err = ntp.NewServer(":123")
if err != nil {
lc.Destroy()
return nil, err
}
lc.AddCloser(lc.NTPServer)
go lc.NTPServer.Serve()
lc.OmahaServer, err = omaha.NewServer(":34567", &omaha.UpdaterStub{})
if err != nil {
lc.Destroy()
return nil, err
}
lc.AddDestructor(lc.OmahaServer)
go lc.OmahaServer.Serve()
return lc, nil
}
func NewLocalCluster() (*LocalCluster, error) {
lc := &LocalCluster{}
var err error
lc.nshandle, err = NsCreate()
if err != nil {
return nil, err
}
dialer := NewNsDialer(lc.nshandle)
lc.SSHAgent, err = network.NewSSHAgent(dialer)
if err != nil {
lc.nshandle.Close()
return nil, err
}
// dnsmasq and etcd much be lunched in the new namespace
nsExit, err := NsEnter(lc.nshandle)
if err != nil {
return nil, err
}
defer nsExit()
lc.Dnsmasq, err = NewDnsmasq()
if err != nil {
lc.nshandle.Close()
return nil, err
}
lc.SimpleEtcd, err = NewSimpleEtcd()
if err != nil {
lc.Dnsmasq.Destroy()
lc.nshandle.Close()
return nil, err
}
lc.NTPServer, err = ntp.NewServer(":123")
if err != nil {
lc.Dnsmasq.Destroy()
lc.SimpleEtcd.Destroy()
lc.nshandle.Close()
return nil, err
}
go lc.NTPServer.Serve()
return lc, nil
}
func main() {
flag.Parse()
capnslog.SetFormatter(capnslog.NewStringFormatter(os.Stderr))
capnslog.SetGlobalLogLevel(capnslog.INFO)
var l, n time.Time
var err error
if *now != "" {
n, err = time.Parse(time.UnixDate, *now)
if err != nil {
plog.Fatalf("Parsing --now failed: %v", err)
}
}
if *leap != "" {
l, err = time.Parse(time.UnixDate, *leap)
if err != nil {
plog.Fatalf("Parsing --leap failed: %v", err)
}
if (l.Truncate(24*time.Hour) != l) || (l.UTC().Day() != 1) {
plog.Fatalf("Invalid --leap time: %s", l)
}
}
s, err := ntp.NewServer(":123")
if err != nil {
plog.Fatalf("Listen failed: %v", err)
}
if !n.IsZero() {
s.SetTime(n)
}
if !l.IsZero() {
s.SetLeapSecond(l, ntp.LEAP_ADD)
}
s.Serve()
}