func MigrateHost(h *Host, data []byte) (*Host, bool, error) {
var (
migrationPerformed = false
hostV1 *HostV1
)
migratedHostMetadata, err := getMigratedHostMetadata(data)
if err != nil {
return &Host{}, false, err
}
globalStorePath := filepath.Dir(filepath.Dir(migratedHostMetadata.HostOptions.AuthOptions.StorePath))
driver, err := driverfactory.NewDriver(migratedHostMetadata.DriverName, h.Name, globalStorePath)
if err != nil {
return &Host{}, false, err
}
if migratedHostMetadata.ConfigVersion == version.ConfigVersion {
h.Driver = driver
if err := json.Unmarshal(data, &h); err != nil {
return &Host{}, migrationPerformed, fmt.Errorf("Error unmarshalling most recent host version: %s", err)
}
} else {
migrationPerformed = true
for h.ConfigVersion = migratedHostMetadata.ConfigVersion; h.ConfigVersion < version.ConfigVersion; h.ConfigVersion++ {
switch h.ConfigVersion {
case 0:
hostV0 := &HostV0{
Driver: driver,
}
if err := json.Unmarshal(data, &hostV0); err != nil {
return &Host{}, migrationPerformed, fmt.Errorf("Error unmarshalling host config version 0: %s", err)
}
hostV1 = MigrateHostV0ToHostV1(hostV0)
case 1:
if hostV1 == nil {
hostV1 = &HostV1{
Driver: driver,
}
if err := json.Unmarshal(data, &hostV1); err != nil {
return &Host{}, migrationPerformed, fmt.Errorf("Error unmarshalling host config version 1: %s", err)
}
}
h = MigrateHostV1ToHostV2(hostV1)
}
}
}
return h, migrationPerformed, nil
}
func cmdCreate(c *cli.Context) {
var (
driver drivers.Driver
)
driverName := c.String("driver")
name := c.Args().First()
certInfo := getCertPathInfoFromContext(c)
storePath := c.GlobalString("storage-path")
store := &persist.Filestore{
Path: storePath,
CaCertPath: certInfo.CaCertPath,
CaPrivateKeyPath: certInfo.CaPrivateKeyPath,
}
// TODO: Not really a fan of "none" as the default driver...
if driverName != "none" {
var err error
c.App.Commands, err = trimDriverFlags(driverName, c.App.Commands)
if err != nil {
log.Fatal(err)
}
}
if name == "" {
cli.ShowCommandHelp(c, "create")
log.Fatal("You must specify a machine name")
}
if len(c.Args()) > 1 {
log.Fatalf("Invalid command line. Found extra arguments %v", c.Args()[1:])
}
validName := host.ValidateHostName(name)
if !validName {
log.Fatal("Error creating machine: ", mcnerror.ErrInvalidHostname)
}
if err := validateSwarmDiscovery(c.String("swarm-discovery")); err != nil {
log.Fatalf("Error parsing swarm discovery: %s", err)
}
hostOptions := &host.HostOptions{
AuthOptions: &auth.AuthOptions{
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),
},
EngineOptions: &engine.EngineOptions{
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.SwarmOptions{
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"),
},
}
driver, err := driverfactory.NewDriver(driverName, name, storePath)
if err != nil {
log.Fatalf("Error trying to get driver: %s", err)
}
h, err := store.NewHost(driver)
if err != nil {
log.Fatalf("Error getting new host: %s", err)
}
h.HostOptions = hostOptions
exists, err := store.Exists(h.Name)
if err != nil {
log.Fatalf("Error checking if host exists: %s", err)
}
if exists {
log.Fatal(mcnerror.ErrHostAlreadyExists{
Name: h.Name,
})
}
// TODO: This should be moved out of the driver and done in the
// commands module.
if err := h.Driver.SetConfigFromFlags(c); err != nil {
log.Fatalf("Error setting machine configuration from flags provided: %s", err)
}
if err := libmachine.Create(store, h); err != nil {
log.Fatalf("Error creating machine: %s", err)
}
info := fmt.Sprintf("%s env %s", os.Args[0], name)
log.Infof("To see how to connect Docker to this machine, run: %s", info)
}