func cmdCreateOuter(c CommandLine, api libmachine.API) error {
const (
flagLookupMachineName = "flag-lookup"
)
// We didn't recognize the driver name.
driverName := flagHackLookup("--driver")
if driverName == "" {
c.ShowHelp()
return nil // ?
}
// TODO: Fix hacky JSON solution
rawDriver, err := json.Marshal(&drivers.BaseDriver{
MachineName: flagLookupMachineName,
})
if err != nil {
return fmt.Errorf("Error attempting to marshal bare driver data: %s", err)
}
driver, err := api.NewPluginDriver(driverName, rawDriver)
if err != nil {
return fmt.Errorf("Error loading driver %q: %s", driverName, err)
}
if _, ok := driver.(*errdriver.Driver); ok {
return errdriver.NotLoadable{Name: driverName}
}
// TODO: So much flag manipulation and voodoo here, it seems to be
// asking for trouble.
//
// mcnFlags is the data we get back over the wire (type mcnflag.Flag)
// to indicate which parameters are available.
mcnFlags := driver.GetCreateFlags()
// This bit will actually make "create" display the correct flags based
// on the requested driver.
cliFlags, err := convertMcnFlagsToCliFlags(mcnFlags)
if err != nil {
return fmt.Errorf("Error trying to convert provided driver flags to cli flags: %s", err)
}
for i := range c.Application().Commands {
cmd := &c.Application().Commands[i]
if cmd.HasName("create") {
cmd = addDriverFlagsToCommand(cliFlags, cmd)
}
}
if serialDriver, ok := driver.(*drivers.SerialDriver); ok {
driver = serialDriver.Driver
}
return c.Application().Run(os.Args)
}
func cmdCreateInner(c CommandLine, api libmachine.API) error {
if len(c.Args()) > 1 {
return fmt.Errorf("Invalid command line. Found extra arguments %v", c.Args()[1:])
}
name := c.Args().First()
if name == "" {
c.ShowHelp()
return errNoMachineName
}
validName := host.ValidateHostName(name)
if !validName {
return fmt.Errorf("Error creating machine: %s", mcnerror.ErrInvalidHostname)
}
if err := validateSwarmDiscovery(c.String("swarm-discovery")); err != nil {
return fmt.Errorf("Error parsing swarm discovery: %s", err)
}
// TODO: Fix hacky JSON solution
rawDriver, err := json.Marshal(&drivers.BaseDriver{
MachineName: name,
StorePath: c.GlobalString("storage-path"),
})
if err != nil {
return fmt.Errorf("Error attempting to marshal bare driver data: %s", err)
}
driverName := c.String("driver")
driver, err := api.NewPluginDriver(driverName, rawDriver)
if err != nil {
return fmt.Errorf("Error loading driver %q: %s", driverName, err)
}
h, err := api.NewHost(driver)
if err != nil {
return fmt.Errorf("Error getting new host: %s", err)
}
certInfo := getCertPathInfoFromCommandLine(c)
h.HostOptions = &host.Options{
AuthOptions: &auth.Options{
CertDir: mcndirs.GetMachineCertDir(),
CaCertPath: certInfo.CaCertPath,
CaPrivateKeyPath: certInfo.CaPrivateKeyPath,
ClientCertPath: certInfo.ClientCertPath,
ClientKeyPath: certInfo.ClientKeyPath,
ServerCertPath: filepath.Join(mcndirs.GetMachineDir(), name, "server.pem"),
ServerKeyPath: filepath.Join(mcndirs.GetMachineDir(), name, "server-key.pem"),
StorePath: filepath.Join(mcndirs.GetMachineDir(), name),
ServerCertSANs: c.StringSlice("tls-san"),
},
EngineOptions: &engine.Options{
ArbitraryFlags: c.StringSlice("engine-opt"),
Env: c.StringSlice("engine-env"),
InsecureRegistry: c.StringSlice("engine-insecure-registry"),
Labels: c.StringSlice("engine-label"),
RegistryMirror: c.StringSlice("engine-registry-mirror"),
StorageDriver: c.String("engine-storage-driver"),
TLSVerify: true,
InstallURL: c.String("engine-install-url"),
},
SwarmOptions: &swarm.Options{
IsSwarm: c.Bool("swarm"),
Image: c.String("swarm-image"),
Master: c.Bool("swarm-master"),
Discovery: c.String("swarm-discovery"),
Address: c.String("swarm-addr"),
Host: c.String("swarm-host"),
Strategy: c.String("swarm-strategy"),
ArbitraryFlags: c.StringSlice("swarm-opt"),
},
}
exists, err := api.Exists(h.Name)
if err != nil {
return fmt.Errorf("Error checking if host exists: %s", err)
}
if exists {
return mcnerror.ErrHostAlreadyExists{
Name: h.Name,
}
}
// driverOpts is the actual data we send over the wire to set the
// driver parameters (an interface fulfilling drivers.DriverOptions,
// concrete type rpcdriver.RpcFlags).
mcnFlags := driver.GetCreateFlags()
driverOpts := getDriverOpts(c, mcnFlags)
if err := h.Driver.SetConfigFromFlags(driverOpts); err != nil {
return fmt.Errorf("Error setting machine configuration from flags provided: %s", err)
}
if err := api.Create(h); err != nil {
return fmt.Errorf("Error creating machine: %s", err)
}
if err := api.Save(h); err != nil {
return fmt.Errorf("Error attempting to save store: %s", err)
}
log.Infof("To see how to connect Docker to this machine, run: %s", fmt.Sprintf("%s env %s", os.Args[0], name))
return nil
}