func cmdConfig(c CommandLine, api libmachine.API) error {
// Ensure that log messages always go to stderr when this command is
// being run (it is intended to be run in a subshell)
log.SetOutWriter(os.Stderr)
if len(c.Args()) != 1 {
return ErrExpectedOneMachine
}
host, err := api.Load(c.Args().First())
if err != nil {
return err
}
dockerHost, authOptions, err := runConnectionBoilerplate(host, c)
if err != nil {
return fmt.Errorf("Error running connection boilerplate: %s", err)
}
log.Debug(dockerHost)
fmt.Printf("--tlsverify --tlscacert=%q --tlscert=%q --tlskey=%q -H=%s",
authOptions.CaCertPath, authOptions.ClientCertPath, authOptions.ClientKeyPath, dockerHost)
return nil
}
func cmdRm(c CommandLine, api libmachine.API) error {
if len(c.Args()) == 0 {
c.ShowHelp()
return errors.New("You must specify a machine name")
}
force := c.Bool("force")
for _, hostName := range c.Args() {
h, err := api.Load(hostName)
if err != nil {
return fmt.Errorf("Error removing host %q: %s", hostName, err)
}
if err := h.Driver.Remove(); err != nil {
if !force {
log.Errorf("Provider error removing machine %q: %s", hostName, err)
continue
}
}
if err := api.Remove(hostName); err != nil {
log.Errorf("Error removing machine %q from store: %s", hostName, err)
} else {
log.Infof("Successfully removed %s", hostName)
}
}
return nil
}
func cmdSSH(c CommandLine, api libmachine.API) error {
// Check for help flag -- Needed due to SkipFlagParsing
for _, arg := range c.Args() {
if arg == "-help" || arg == "--help" || arg == "-h" {
c.ShowHelp()
return nil
}
}
name := c.Args().First()
if name == "" {
return ErrExpectedOneMachine
}
host, err := api.Load(name)
if err != nil {
return err
}
currentState, err := host.Driver.GetState()
if err != nil {
return err
}
if currentState != state.Running {
return fmt.Errorf("Error: Cannot run SSH command: Host %q is not running", host.Name)
}
client, err := host.CreateSSHClient()
if err != nil {
return err
}
return client.Shell(c.Args().Tail()...)
}
func removeLocalMachine(hostName string, api libmachine.API) error {
exist, _ := api.Exists(hostName)
if !exist {
return errors.New(hostName + " does not exist.")
}
return api.Remove(hostName)
}
func cmdConfig(c CommandLine, api libmachine.API) error {
// Ensure that log messages always go to stderr when this command is
// being run (it is intended to be run in a subshell)
log.SetOutWriter(os.Stderr)
target, err := targetHost(c, api)
if err != nil {
return err
}
host, err := api.Load(target)
if err != nil {
return err
}
dockerHost, authOptions, err := check.DefaultConnChecker.Check(host, c.Bool("swarm"))
if err != nil {
return fmt.Errorf("Error running connection boilerplate: %s", err)
}
log.Debug(dockerHost)
fmt.Printf("--tlsverify\n--tlscacert=%q\n--tlscert=%q\n--tlskey=%q\n-H=%s\n",
authOptions.CaCertPath, authOptions.ClientCertPath, authOptions.ClientKeyPath, dockerHost)
return nil
}
func runAction(actionName string, c CommandLine, api libmachine.API) error {
hosts, hostsInError := persist.LoadHosts(api, c.Args())
if len(hostsInError) > 0 {
errs := []error{}
for _, err := range hostsInError {
errs = append(errs, err)
}
return consolidateErrs(errs)
}
if len(hosts) == 0 {
return ErrNoMachineSpecified
}
if errs := runActionForeachMachine(actionName, hosts); len(errs) > 0 {
return consolidateErrs(errs)
}
for _, h := range hosts {
if err := api.Save(h); err != nil {
return fmt.Errorf("Error saving host to store: %s", err)
}
}
return nil
}
func cmdSSH(c CommandLine, api libmachine.API) error {
// Check for help flag -- Needed due to SkipFlagParsing
firstArg := c.Args().First()
if firstArg == "-help" || firstArg == "--help" || firstArg == "-h" {
c.ShowHelp()
return nil
}
name := firstArg
if name == "" {
return ErrExpectedOneMachine
}
host, err := api.Load(name)
if err != nil {
return err
}
currentState, err := host.Driver.GetState()
if err != nil {
return err
}
if currentState != state.Running {
return errStateInvalidForSSH{host.Name}
}
client, err := host.CreateSSHClient()
if err != nil {
return err
}
return client.Shell(c.Args().Tail()...)
}
func removeRemoteMachine(hostName string, api libmachine.API) error {
currentHost, loaderr := api.Load(hostName)
if loaderr != nil {
return loaderr
}
return currentHost.Driver.Remove()
}
func loadOneMachine(api libmachine.API, args map[string]string) (*host.Host, error) {
name, present := args["name"]
if !present {
return nil, errRequireMachineName
}
return api.Load(name)
}
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)
}
// StopHost stops the host VM.
func StopHost(api libmachine.API) error {
host, err := api.Load(constants.MachineName)
if err != nil {
return err
}
if err := host.Stop(); err != nil {
return err
}
return nil
}
// DeleteHost deletes the host VM.
func DeleteHost(api libmachine.API) error {
host, err := api.Load(constants.MachineName)
if err != nil {
return err
}
m := multiError{}
m.Collect(host.Driver.Remove())
m.Collect(api.Remove(constants.MachineName))
return m.ToError()
}
// StopHost stops the host VM.
func StopHost(api libmachine.API) error {
host, err := api.Load(constants.MachineName)
if err != nil {
return errors.Wrapf(err, "Error loading host: %s", constants.MachineName)
}
if err := host.Stop(); err != nil {
return errors.Wrapf(err, "Error stopping host: %s", constants.MachineName)
}
return nil
}
// DeleteHost deletes the host VM.
func DeleteHost(api libmachine.API) error {
host, err := api.Load(constants.MachineName)
if err != nil {
return errors.Wrapf(err, "Error deleting host: %s", constants.MachineName)
}
m := util.MultiError{}
m.Collect(host.Driver.Remove())
m.Collect(api.Remove(constants.MachineName))
return m.ToError()
}
func cmdInspect(c CommandLine, api libmachine.API) error {
if len(c.Args()) > 1 {
c.ShowHelp()
return ErrExpectedOneMachine
}
target, err := targetHost(c, api)
if err != nil {
return err
}
host, err := api.Load(target)
if err != nil {
return err
}
tmplString := c.String("format")
if tmplString != "" {
var tmpl *template.Template
var err error
if tmpl, err = template.New("").Funcs(funcMap).Parse(tmplString); err != nil {
return fmt.Errorf("Template parsing error: %v\n", err)
}
jsonHost, err := json.Marshal(host)
if err != nil {
return err
}
obj := make(map[string]interface{})
if err := json.Unmarshal(jsonHost, &obj); err != nil {
return err
}
if err := tmpl.Execute(os.Stdout, obj); err != nil {
return err
}
os.Stdout.Write([]byte{'\n'})
} else {
prettyJSON, err := json.MarshalIndent(host, "", " ")
if err != nil {
return err
}
fmt.Println(string(prettyJSON))
}
return nil
}
func checkIfApiExistsAndLoad(api libmachine.API) (*host.Host, error) {
exists, err := api.Exists(constants.MachineName)
if err != nil {
return nil, err
}
if !exists {
return nil, fmt.Errorf("Machine does not exist for api.Exists(%s)", constants.MachineName)
}
host, err := api.Load(constants.MachineName)
if err != nil {
return nil, err
}
return host, nil
}
func checkIfApiExistsAndLoad(api libmachine.API) (*host.Host, error) {
exists, err := api.Exists(constants.MachineName)
if err != nil {
return nil, errors.Wrapf(err, "Error checking that api exists for: ", constants.MachineName)
}
if !exists {
return nil, errors.Errorf("Machine does not exist for api.Exists(%s)", constants.MachineName)
}
host, err := api.Load(constants.MachineName)
if err != nil {
return nil, errors.Wrapf(err, "Error loading api for: ", constants.MachineName)
}
return host, nil
}
// targetHost returns a specific host name if one is indicated by the first CLI
// arg, or the default host name if no host is specified.
func targetHost(c CommandLine, api libmachine.API) (string, error) {
if len(c.Args()) == 0 {
defaultExists, err := api.Exists(defaultMachineName)
if err != nil {
return "", fmt.Errorf("Error checking if host %q exists: %s", defaultMachineName, err)
}
if defaultExists {
return defaultMachineName, nil
}
return "", ErrNoDefault
}
return c.Args()[0], nil
}
func runAction(actionName string, c CommandLine, api libmachine.API) error {
var (
hostsToLoad []string
)
// If user did not specify a machine name explicitly, use the 'default'
// machine if it exists. This allows short form commands such as
// 'docker-machine stop' for convenience.
if len(c.Args()) == 0 {
target, err := targetHost(c, api)
if err != nil {
return err
}
hostsToLoad = []string{target}
} else {
hostsToLoad = c.Args()
}
hosts, hostsInError := persist.LoadHosts(api, hostsToLoad)
if len(hostsInError) > 0 {
errs := []error{}
for _, err := range hostsInError {
errs = append(errs, err)
}
return consolidateErrs(errs)
}
if len(hosts) == 0 {
return ErrHostLoad
}
if errs := runActionForeachMachine(actionName, hosts); len(errs) > 0 {
return consolidateErrs(errs)
}
for _, h := range hosts {
if err := api.Save(h); err != nil {
return fmt.Errorf("Error saving host to store: %s", err)
}
}
return nil
}
func cmdRm(c CommandLine, api libmachine.API) error {
if len(c.Args()) == 0 {
c.ShowHelp()
return ErrNoMachineSpecified
}
force := c.Bool("force")
confirm := c.Bool("y")
for _, hostName := range c.Args() {
h, loaderr := api.Load(hostName)
if loaderr != nil {
// On --force, continue to remove on-disk files/dir
if !force {
return fmt.Errorf("Error removing host %q: %s", hostName, loaderr)
}
log.Errorf("Error removing host %q: %s. Continuing on `-f`, host instance may by running", hostName, loaderr)
}
if !confirm && !force {
userinput, err := confirmInput(fmt.Sprintf("Do you really want to remove %q?", hostName))
if !userinput {
return err
}
}
if loaderr == nil {
if err := h.Driver.Remove(); err != nil {
if !force {
log.Errorf("Provider error removing machine %q: %s", hostName, err)
continue
}
}
}
if err := api.Remove(hostName); err != nil {
log.Errorf("Error removing machine %q from store: %s", hostName, err)
} else {
log.Infof("Successfully removed %s", hostName)
}
}
return nil
}
func cmdURL(c CommandLine, api libmachine.API) error {
if len(c.Args()) != 1 {
return ErrExpectedOneMachine
}
host, err := api.Load(c.Args().First())
if err != nil {
return err
}
url, err := host.URL()
if err != nil {
return err
}
fmt.Println(url)
return nil
}
func cmdStatus(c CommandLine, api libmachine.API) error {
if len(c.Args()) != 1 {
return ErrExpectedOneMachine
}
host, err := api.Load(c.Args().First())
if err != nil {
return err
}
currentState, err := host.Driver.GetState()
if err != nil {
log.Errorf("error getting state for host %s: %s", host.Name, err)
}
log.Info(currentState)
return nil
}
// GetHostStatus gets the status of the host VM.
func GetHostStatus(api libmachine.API) (string, error) {
dne := "Does Not Exist"
exists, err := api.Exists(constants.MachineName)
if err != nil {
return "", err
}
if !exists {
return dne, nil
}
host, err := api.Load(constants.MachineName)
if err != nil {
return "", err
}
s, err := host.Driver.GetState()
if s.String() == "" {
return dne, err
}
return s.String(), err
}
// Remove removes a Docker Machine
func Remove(api libmachine.API, args map[string]string, form map[string][]string) (interface{}, error) {
name, present := args["name"]
if !present {
return nil, errRequireMachineName
}
exist, _ := api.Exists(name)
if !exist {
return Success{"removed", name}, nil
}
currentHost, err := api.Load(name)
if err != nil {
return nil, err
}
if err := currentHost.Driver.Remove(); err != nil {
return nil, err
}
if err := api.Remove(name); err != nil {
return nil, err
}
return Success{"removed", name}, nil
}
// StartHost starts a host VM.
func StartHost(api libmachine.API, config MachineConfig) (*host.Host, error) {
exists, err := api.Exists(constants.MachineName)
if err != nil {
return nil, errors.Wrapf(err, "Error checking if host exists: %s", constants.MachineName)
}
if !exists {
return createHost(api, config)
}
glog.Infoln("Machine exists!")
h, err := api.Load(constants.MachineName)
if err != nil {
return nil, errors.Wrap(err, "Error loading existing host. Please try running [minikube delete], then run [minikube start] again.")
}
s, err := h.Driver.GetState()
glog.Infoln("Machine state: ", s)
if err != nil {
return nil, errors.Wrap(err, "Error getting state for host")
}
if s != state.Running {
if err := h.Driver.Start(); err != nil {
return nil, errors.Wrapf(err, "Error starting stopped host")
}
if err := api.Save(h); err != nil {
return nil, errors.Wrapf(err, "Error saving started host")
}
}
if err := h.ConfigureAuth(); err != nil {
return nil, errors.Wrap(err, "Error configuring auth on host: %s")
}
return h, nil
}
// StartHost starts a host VM.
func StartHost(api libmachine.API, config MachineConfig) (*host.Host, error) {
if exists, err := api.Exists(constants.MachineName); err != nil {
return nil, fmt.Errorf("Error checking if host exists: %s", err)
} else if exists {
glog.Infoln("Machine exists!")
h, err := api.Load(constants.MachineName)
if err != nil {
return nil, fmt.Errorf("Error loading existing host: %s", err)
}
s, err := h.Driver.GetState()
if err != nil {
return nil, fmt.Errorf("Error getting state for host: %s", err)
}
if s != state.Running {
if err := h.Driver.Start(); err != nil {
return nil, fmt.Errorf("Error starting stopped host: %s", err)
}
if err := api.Save(h); err != nil {
return nil, fmt.Errorf("Error saving started host: %s", err)
}
}
return h, nil
} else {
return createHost(api, config)
}
}
func cmdRm(c CommandLine, api libmachine.API) error {
if len(c.Args()) == 0 {
c.ShowHelp()
return ErrNoMachineSpecified
}
log.Info(fmt.Sprintf("About to remove %s", strings.Join(c.Args(), ",")))
force := c.Bool("force")
confirm := c.Bool("y")
var errorOccured string
if !userConfirm(confirm, force) {
return nil
}
for _, hostName := range c.Args() {
err := removeRemoteMachine(hostName, api)
if err != nil {
errorOccured = fmt.Sprintf("Error removing host %q: %s", hostName, err)
log.Errorf(errorOccured)
}
if err == nil || force {
removeErr := api.Remove(hostName)
if removeErr != nil {
log.Errorf("Error removing machine %q from store: %s", hostName, removeErr)
} else {
log.Infof("Successfully removed %s", hostName)
}
}
}
if errorOccured != "" {
return errors.New(errorOccured)
}
return nil
}
func cmdURL(c CommandLine, api libmachine.API) error {
if len(c.Args()) > 1 {
return ErrExpectedOneMachine
}
target, err := targetHost(c, api)
if err != nil {
return err
}
host, err := api.Load(target)
if err != nil {
return err
}
url, err := host.URL()
if err != nil {
return err
}
fmt.Println(url)
return nil
}
// GetHostStatus gets the status of the host VM.
func GetHostStatus(api libmachine.API) (string, error) {
dne := "Does Not Exist"
exists, err := api.Exists(constants.MachineName)
if err != nil {
return "", errors.Wrapf(err, "Error checking that api exists for: ", constants.MachineName)
}
if !exists {
return dne, nil
}
host, err := api.Load(constants.MachineName)
if err != nil {
return "", errors.Wrapf(err, "Error loading api for: ", constants.MachineName)
}
s, err := host.Driver.GetState()
if s.String() == "" {
return dne, nil
}
if err != nil {
return "", errors.Wrap(err, "Error getting host state")
}
return s.String(), nil
}
func printVersion(c CommandLine, api libmachine.API, out io.Writer) error {
if len(c.Args()) == 0 {
c.ShowVersion()
return nil
}
if len(c.Args()) != 1 {
return ErrExpectedOneMachine
}
host, err := api.Load(c.Args().First())
if err != nil {
return err
}
version, err := mcndockerclient.DockerVersion(host)
if err != nil {
return err
}
fmt.Fprintln(out, version)
return nil
}
