func withServer(api gophercloud.CloudServersProvider, f func(string)) {
id, err := createServer(api, "", "", "", "")
if err != nil {
panic(err)
}
for {
s, err := api.ServerById(id)
if err != nil {
panic(err)
}
if s.Status == "ACTIVE" {
break
}
time.Sleep(10 * time.Second)
}
f(id)
// I've learned that resizing an instance can fail if a delete request
// comes in prior to its completion. This ends up leaving the server
// in an error state, and neither the resize NOR the delete complete.
// This is a bug in OpenStack, as far as I'm concerned, but thankfully,
// there's an easy work-around -- just wait for your server to return to
// active state first!
waitForServerState(api, id, "ACTIVE")
err = api.DeleteServerById(id)
if err != nil {
panic(err)
}
}
// waitForServerState polls, every 10 seconds, for a given server to appear in the indicated state.
// This call will block forever if it never appears in the desired state, so if a timeout is required,
// make sure to call this function in a goroutine.
func waitForServerState(api gophercloud.CloudServersProvider, id, state string) error {
for {
s, err := api.ServerById(id)
if err != nil {
return err
}
if s.Status == state {
return nil
}
time.Sleep(10 * time.Second)
}
panic("Impossible")
}
func tryAllAddresses(id string, api gophercloud.CloudServersProvider) {
log("Getting the server instance")
s, err := api.ServerById(id)
if err != nil {
panic(err)
}
log("Getting the complete set of pools")
ps, err := s.AllAddressPools()
if err != nil {
panic(err)
}
log("Listing IPs for each pool")
for k, v := range ps {
log(fmt.Sprintf(" Pool %s", k))
for _, a := range v {
log(fmt.Sprintf(" IP: %s, Version: %d", a.Addr, a.Version))
}
}
}