func readMachineState(api *cloudapi.Client, id string) (string, error) {
machine, err := api.GetMachine(id)
if err != nil {
return "", err
}
return machine.State, nil
}
// waitForMachineState uses the supplied client to wait for the state of
// the machine with the given ID to reach the state described in state.
// If timeout is reached before the machine reaches the required state, an
// error is returned. If the machine reaches the target state within the
// timeout, nil is returned.
func waitForMachineState(api *cloudapi.Client, id, state string, timeout time.Duration) error {
return waitFor(
func() (bool, error) {
machine, err := api.GetMachine(id)
return machine.State == state, err
},
3*time.Second,
timeout,
)
}
// waitForMachineDeletion uses the supplied client to wait for the machine
// with the given ID to be deleted. It is expected that the API call to delete
// the machine has already been issued at this point.
func waitForMachineDeletion(api *cloudapi.Client, id string, timeout time.Duration) error {
return waitFor(
func() (bool, error) {
machine, err := api.GetMachine(id)
if machine != nil {
return false, nil
}
if err != nil {
//TODO(jen20): is there a better way here than searching strings?
if strings.Contains(err.Error(), "410") || strings.Contains(err.Error(), "404") {
return true, nil
}
}
return false, err
},
3*time.Second,
timeout,
)
}