// RunAttach is the handler for 'scw attach'
func RunAttach(ctx CommandContext, args AttachArgs) error {
serverID, err := ctx.API.GetServerID(args.Server)
if err != nil {
return err
}
_, done, err := utils.AttachToSerial(serverID, ctx.API.Token)
if err != nil {
return err
}
<-done
return nil
}
func runShowBoot(ctx CommandContext, args RunArgs, serverID string, closeTimeout chan struct{}, timeoutExit chan struct{}) error {
// Attach to server serial
logrus.Info("Attaching to server console ...")
gottycli, done, err := utils.AttachToSerial(serverID, ctx.API.Token)
if err != nil {
close(closeTimeout)
return fmt.Errorf("cannot attach to server serial: %v", err)
}
utils.Quiet(true)
notif, gateway, err := waitSSHConnection(ctx, args, serverID)
if err != nil {
close(closeTimeout)
gottycli.ExitLoop()
<-done
return err
}
select {
case <-timeoutExit:
gottycli.ExitLoop()
<-done
utils.Quiet(false)
return fmt.Errorf("Operation timed out")
case sshConnection := <-notif:
close(closeTimeout)
gottycli.ExitLoop()
<-done
utils.Quiet(false)
if sshConnection.err != nil {
return sshConnection.err
}
if fingerprints := ctx.API.GetSSHFingerprintFromServer(serverID); len(fingerprints) > 0 {
for i := range fingerprints {
fmt.Fprintf(ctx.Stdout, "%s\n", fingerprints[i])
}
}
server := sshConnection.server
logrus.Info("Connecting to server ...")
if err = utils.SSHExec(server.PublicAddress.IP, server.PrivateIP, []string{}, false, gateway); err != nil {
return fmt.Errorf("Connection to server failed: %v", err)
}
}
return 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 ...")
serverID, err := api.CreateServer(ctx.API, &api.ConfigCreateServer{
ImageName: args.Image,
Name: args.Name,
Bootscript: args.Bootscript,
Env: env,
AdditionalVolumes: volume,
DynamicIPRequired: args.Gateway == "",
IP: args.IP,
})
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 ...")
if err = api.StartServer(ctx.API, serverID, false); 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.Userdata != "" {
addUserData(ctx, strings.Split(args.Userdata, " "), serverID)
}
// Sync cache on disk
ctx.API.Sync()
if args.Detach {
fmt.Fprintln(ctx.Stdout, serverID)
return nil
}
closeTimeout := make(chan struct{})
timeoutExit := make(chan struct{})
if args.Timeout > 0 {
go func() {
select {
case <-time.After(time.Duration(args.Timeout) * time.Second):
close(timeoutExit)
case <-closeTimeout:
break
}
}()
}
if args.ShowBoot {
return runShowBoot(ctx, args, serverID, closeTimeout, timeoutExit)
} else if args.Attach {
// Attach to server serial
logrus.Info("Attaching to server console ...")
gottycli, done, err := utils.AttachToSerial(serverID, ctx.API.Token)
close(closeTimeout)
if err != nil {
return fmt.Errorf("cannot attach to server serial: %v", err)
}
<-done
gottycli.Close()
} else {
notif, gateway, err := waitSSHConnection(ctx, args, serverID)
if err != nil {
close(closeTimeout)
return err
}
select {
case <-timeoutExit:
return fmt.Errorf("Operation timed out")
case sshConnection := <-notif:
close(closeTimeout)
if sshConnection.err != nil {
return sshConnection.err
}
if fingerprints := ctx.API.GetSSHFingerprintFromServer(serverID); len(fingerprints) > 0 {
for i := range fingerprints {
fmt.Fprintf(ctx.Stdout, "%s\n", fingerprints[i])
}
}
server := sshConnection.server
// exec -w SERVER COMMAND ARGS...
if len(args.Command) < 1 {
logrus.Info("Connecting to server ...")
if err = utils.SSHExec(server.PublicAddress.IP, server.PrivateIP, []string{}, false, gateway); err != nil {
return fmt.Errorf("Connection to server failed: %v", err)
}
} else {
logrus.Infof("Executing command: %s ...", args.Command)
if err = utils.SSHExec(server.PublicAddress.IP, server.PrivateIP, args.Command, false, gateway); err != nil {
return fmt.Errorf("command execution failed: %v", err)
}
logrus.Info("Command successfuly executed")
}
}
}
return nil
}
// RunAttach is the handler for 'scw attach'
func RunAttach(ctx CommandContext, args AttachArgs) error {
serverID := ctx.API.GetServerID(args.Server)
return utils.AttachToSerial(serverID, ctx.API.Token, !args.NoStdin)
}
// 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
}