func shutdown() {
log.Println("Start shutdown (ie etcd cleanup)")
option, err := ncsp.Config.GetOption("etcd.machines")
ncsp.ErrCheckFatal(err, "Configuration error")
machines := ncsp.ToEtcdMachinesList(option.([]interface{}))
c := etcd.NewClient(machines)
_, err = c.Get("/ncsp", false, false)
if err != nil {
if ncsp.EtcdErrorCode(err) != 100 {
log.Fatal(err, "Get failed")
}
} else {
_, err = c.Delete("/ncsp", true)
ncsp.ErrCheckFatal(err, "Cannot delete")
}
log.Println("Shutdown done and etcd has been cleaned up")
}
func prepare() {
// cleanup
ncsp.Config.Init("conf.json")
option, err := ncsp.Config.GetOption("etcd.machines")
ncsp.ErrCheckFatal(err, "Configuration error")
machines := ncsp.ToEtcdMachinesList(option.([]interface{}))
c := etcd.NewClient(machines)
err = c.SetConsistency(etcd.STRONG_CONSISTENCY) // TODO: is this valid for other clients as well?
ncsp.ErrCheckFatal(err, "Consistency")
_, err = c.Get("/ncsp", false, false)
if err != nil {
if ncsp.EtcdErrorCode(err) != 100 {
log.Fatal(err, "Get failed")
}
} else {
_, err = c.Delete("/ncsp", true)
ncsp.ErrCheckFatal(err, "Cannot delete")
}
_, err = c.CreateDir("/ncsp/", 0)
ncsp.ErrCheckFatal(err, "Creating root dir")
}