// DeleteServerSafe tries to delete a server using multiple ways
func (a *ScalewayAPI) DeleteServerSafe(serverID string) error {
// FIXME: also delete attached volumes and ip address
err := a.DeleteServer(serverID)
if err == nil {
logrus.Infof("Server '%s' successfuly deleted", serverID)
return nil
}
err = a.PostServerAction(serverID, "terminate")
if err == nil {
logrus.Infof("Server '%s' successfuly terminated", serverID)
return nil
}
logrus.Errorf("Failed to delete server %s", serverID)
logrus.Errorf("Try to run 'scw rm %s' later", serverID)
return err
}
// DeleteServerSafe tries to delete a server using multiple ways
func (a *ScalewayAPI) DeleteServerSafe(serverID string) error {
// FIXME: also delete attached volumes and ip address
// FIXME: call delete and stop -t in parallel to speed up process
err := a.DeleteServer(serverID)
if err == nil {
logrus.Infof("Server '%s' successfuly deleted", serverID)
return nil
}
err = a.PostServerAction(serverID, "terminate")
if err == nil {
logrus.Infof("Server '%s' successfuly terminated", serverID)
return nil
}
// FIXME: retry in a loop until timeout or Control+C
logrus.Errorf("Failed to delete server %s", serverID)
logrus.Errorf("Try to run 'scw rm -f %s' later", serverID)
return err
}
// GeneratingAnSSHKey generates an SSH key
func GeneratingAnSSHKey(cfg SpawnRedirection, path string, name string) (string, error) {
args := []string{
"-t",
"rsa",
"-b",
"4096",
"-f",
filepath.Join(path, name),
"-N",
"",
"-C",
"",
}
log.Infof("Executing commands %v", args)
spawn := exec.Command("ssh-keygen", args...)
spawn.Stdout = cfg.Stdout
spawn.Stdin = cfg.Stdin
spawn.Stderr = cfg.Stderr
return args[5], spawn.Run()
}
// WaitForServerState asks API in a loop until a server matches a wanted state
func WaitForServerState(api *ScalewayAPI, serverID string, targetState string) (*ScalewayServer, error) {
var server *ScalewayServer
var err error
var currentState string
for {
server, err = api.GetServer(serverID)
if currentState != server.State {
log.Infof("Server changed state to '%s'", server.State)
currentState = server.State
}
if err != nil {
return nil, err
}
if server.State == targetState {
break
}
time.Sleep(1 * time.Second)
}
return server, nil
}
// Run is the handler for 'scw run'
func Run(ctx CommandContext, args RunArgs) error {
if args.Gateway == "" {
args.Gateway = ctx.Getenv("SCW_GATEWAY")
}
if args.TmpSSHKey {
err := AddSSHKeyToTags(ctx, &args.Tags, args.Image)
if err != nil {
return err
}
}
env := strings.Join(args.Tags, " ")
volume := strings.Join(args.Volumes, " ")
// create IMAGE
logrus.Info("Server creation ...")
dynamicIPRequired := args.Gateway == ""
serverID, err := api.CreateServer(ctx.API, args.Image, args.Name, args.Bootscript, env, volume, dynamicIPRequired)
if err != nil {
return fmt.Errorf("failed to create server: %v", err)
}
logrus.Infof("Server created: %s", serverID)
if args.AutoRemove {
defer ctx.API.DeleteServerSafe(serverID)
}
// start SERVER
logrus.Info("Server start requested ...")
err = api.StartServer(ctx.API, serverID, false)
if err != nil {
return fmt.Errorf("failed to start server %s: %v", serverID, err)
}
logrus.Info("Server is starting, this may take up to a minute ...")
if args.Detach {
fmt.Fprintln(ctx.Stdout, serverID)
return nil
} else {
// Sync cache on disk
ctx.API.Sync()
}
if args.Attach {
// Attach to server serial
logrus.Info("Attaching to server console ...")
err = utils.AttachToSerial(serverID, ctx.API.Token, true)
if err != nil {
return fmt.Errorf("cannot attach to server serial: %v", err)
}
} else {
// Resolve gateway
gateway, err := api.ResolveGateway(ctx.API, args.Gateway)
if err != nil {
return fmt.Errorf("cannot resolve Gateway '%s': %v", args.Gateway, err)
}
// waiting for server to be ready
logrus.Debug("Waiting for server to be ready")
// We wait for 30 seconds, which is the minimal amount of time needed by a server to boot
server, err := api.WaitForServerReady(ctx.API, serverID, gateway)
if err != nil {
return fmt.Errorf("cannot get access to server %s: %v", serverID, err)
}
logrus.Debugf("SSH server is available: %s:22", server.PublicAddress.IP)
logrus.Info("Server is ready !")
// exec -w SERVER COMMAND ARGS...
if len(args.Command) < 1 {
logrus.Info("Connecting to server ...")
err = utils.SSHExec(server.PublicAddress.IP, server.PrivateIP, []string{}, false, gateway)
} else {
logrus.Infof("Executing command: %s ...", args.Command)
err = utils.SSHExec(server.PublicAddress.IP, server.PrivateIP, args.Command, false, gateway)
}
if err != nil {
return fmt.Errorf("command execution failed: %v", err)
}
logrus.Info("Command successfuly executed")
}
return nil
}