func main() {
libmachine.SetDebug(true)
log.SetOutWriter(os.Stdout)
log.SetErrWriter(os.Stderr)
// returns the familiar store at $HOME/.docker/machine
store := libmachine.GetDefaultStore()
// over-ride this for now (don't want to muck with my default store)
store.Path = "/tmp/automatic"
hostName := "myfunhost"
// Set some options on the provider...
driver := virtualbox.NewDriver(hostName, "/tmp/automatic")
driver.CPU = 2
driver.Memory = 2048
h, err := store.NewHost(driver)
if err != nil {
log.Fatal(err)
}
h.HostOptions.EngineOptions.StorageDriver = "overlay"
if err := libmachine.Create(store, h); err != nil {
log.Fatal(err)
}
out, err := h.RunSSHCommand("df -h")
if err != nil {
log.Fatal(err)
}
fmt.Printf("Results of your disk space query:\n%s\n", out)
fmt.Println("Powering down machine now...")
if err := h.Stop(); err != nil {
log.Fatal(err)
}
}
func cmdCreateInner(c CommandLine) error {
if len(c.Args()) > 1 {
return fmt.Errorf("Invalid command line. Found extra arguments %v", c.Args()[1:])
}
name := c.Args().First()
driverName := c.String("driver")
certInfo := getCertPathInfoFromContext(c)
storePath := c.GlobalString("storage-path")
store := &persist.Filestore{
Path: storePath,
CaCertPath: certInfo.CaCertPath,
CaPrivateKeyPath: certInfo.CaPrivateKeyPath,
}
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
bareDriverData, 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)
}
driver, err := newPluginDriver(driverName, bareDriverData)
if err != nil {
return fmt.Errorf("Error loading driver %q: %s", driverName, err)
}
h, err := store.NewHost(driver)
if err != nil {
return fmt.Errorf("Error getting new host: %s", err)
}
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),
},
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 := store.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 := libmachine.Create(store, h); err != nil {
return fmt.Errorf("Error creating machine: %s", err)
}
if err := saveHost(store, 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
}
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)
}