// deleteRunningServer terminates the server and waits until it is removed.
func deleteRunningServer(scaleway *api.ScalewayAPI, server *api.ScalewayServer) error {
err := scaleway.PostServerAction(server.Identifier, "terminate")
if err != nil {
if serr, ok := err.(api.ScalewayAPIError); ok {
if serr.StatusCode == 404 {
return nil
}
}
return err
}
return resource.Retry(20*time.Minute, func() *resource.RetryError {
_, err := scaleway.GetServer(server.Identifier)
if err == nil {
return resource.RetryableError(fmt.Errorf("Waiting for server %q to be deleted", server.Identifier))
}
if serr, ok := err.(api.ScalewayAPIError); ok {
if serr.StatusCode == 404 {
return nil
}
}
return resource.RetryableError(err)
})
}
func waitForServerState(scaleway *api.ScalewayAPI, serverID, targetState string) error {
pending := []string{}
for _, state := range allStates {
if state != targetState {
pending = append(pending, state)
}
}
stateConf := &resource.StateChangeConf{
Pending: pending,
Target: []string{targetState},
Refresh: func() (interface{}, string, error) {
s, err := scaleway.GetServer(serverID)
if err == nil {
return 42, s.State, nil
}
if serr, ok := err.(api.ScalewayAPIError); ok {
if serr.StatusCode == 404 {
return 42, "stopped", nil
}
}
return 42, s.State, err
},
Timeout: 60 * time.Minute,
MinTimeout: 5 * time.Second,
Delay: 5 * time.Second,
}
_, err := stateConf.WaitForState()
return err
}
func deleteServerSafe(s *api.ScalewayAPI, serverID string) error {
server, err := s.GetServer(serverID)
if err != nil {
return err
}
if server.State != "stopped" {
if err := s.PostServerAction(serverID, "poweroff"); err != nil {
return err
}
if err := waitForServerState(s, serverID, "stopped"); err != nil {
return err
}
}
if err := s.DeleteServer(serverID); err != nil {
return err
}
if rootVolume, ok := server.Volumes["0"]; ok {
if err := s.DeleteVolume(rootVolume.Identifier); err != nil {
return err
}
}
return nil
}
func waitForServerState(scaleway *api.ScalewayAPI, serverID, targetState string) error {
return resource.Retry(20*time.Minute, func() *resource.RetryError {
s, err := scaleway.GetServer(serverID)
if err != nil {
return resource.NonRetryableError(err)
}
if s.State != targetState {
return resource.RetryableError(fmt.Errorf("Waiting for server to enter %q state", targetState))
}
return nil
})
}
func waitForServerState(s *api.ScalewayAPI, serverID string, targetState string) error {
var server *api.ScalewayServer
var err error
var currentState string
for {
server, err = s.GetServer(serverID)
if err != nil {
return err
}
if currentState != server.State {
log.Printf("[DEBUG] Server changed state to %q\n", server.State)
currentState = server.State
}
if server.State == targetState {
break
}
time.Sleep(1 * time.Second)
}
return nil
}