func fatalOnError(command func(commandLine CommandLine, api libmachine.API) error) func(context *cli.Context) {
return func(context *cli.Context) {
api := libmachine.NewClient(mcndirs.GetBaseDir())
if context.GlobalBool("native-ssh") {
api.SSHClientType = ssh.Native
}
api.GithubAPIToken = context.GlobalString("github-api-token")
api.Filestore.Path = context.GlobalString("storage-path")
crashreport.Configure(context.GlobalString("bugsnag-api-token"))
// TODO (nathanleclaire): These should ultimately be accessed
// through the libmachine client by the rest of the code and
// not through their respective modules. For now, however,
// they are also being set the way that they originally were
// set to preserve backwards compatibility.
mcndirs.BaseDir = api.Filestore.Path
mcnutils.GithubAPIToken = api.GithubAPIToken
ssh.SetDefaultClient(api.SSHClientType)
defer rpcdriver.CloseDrivers()
if err := command(&contextCommandLine{context}, api); err != nil {
log.Fatal(err)
}
}
}
func runStart(cmd *cobra.Command, args []string) {
fmt.Println("Starting local Kubernetes cluster...")
api := libmachine.NewClient(constants.Minipath, constants.MakeMiniPath("certs"))
defer api.Close()
config := cluster.MachineConfig{
MinikubeISO: minikubeISO,
Memory: memory,
CPUs: cpus,
DiskSize: int(*disk / units.MB),
VMDriver: vmDriver,
DockerEnv: dockerEnv,
InsecureRegistry: insecureRegistry,
}
var host *host.Host
start := func() (err error) {
host, err = cluster.StartHost(api, config)
return err
}
err := util.Retry(3, start)
if err != nil {
glog.Errorln("Error starting host: ", err)
os.Exit(1)
}
if err := cluster.UpdateCluster(host.Driver); err != nil {
glog.Errorln("Error updating cluster: ", err)
os.Exit(1)
}
if err := cluster.SetupCerts(host.Driver); err != nil {
glog.Errorln("Error configuring authentication: ", err)
os.Exit(1)
}
if err := cluster.StartCluster(host); err != nil {
glog.Errorln("Error starting cluster: ", err)
os.Exit(1)
}
kubeHost, err := host.Driver.GetURL()
if err != nil {
glog.Errorln("Error connecting to cluster: ", err)
}
kubeHost = strings.Replace(kubeHost, "tcp://", "https://", -1)
kubeHost = strings.Replace(kubeHost, ":2376", ":"+strconv.Itoa(constants.APIServerPort), -1)
fmt.Printf("Kubernetes is available at %s.\n", kubeHost)
// setup kubeconfig
name := constants.MinikubeContext
certAuth := constants.MakeMiniPath("ca.crt")
clientCert := constants.MakeMiniPath("apiserver.crt")
clientKey := constants.MakeMiniPath("apiserver.key")
if err := setupKubeconfig(name, kubeHost, certAuth, clientCert, clientKey); err != nil {
glog.Errorln("Error setting up kubeconfig: ", err)
os.Exit(1)
}
fmt.Println("Kubectl is now configured to use the cluster.")
}
func run() error {
machineName := flag.String("machine", "default", "Docker machine name")
addr := flag.String("addr", "localhost:2375", "Address of the proxy")
help := flag.Bool("help", false, "Show help")
flag.Parse()
if *help {
flag.Usage()
return nil
}
api := libmachine.NewClient(mcndirs.GetBaseDir(), mcndirs.GetMachineCertDir())
defer api.Close()
machine, err := api.Load(*machineName)
if err != nil {
return err
}
url, err := machine.URL()
if err != nil {
return err
}
return http.ListenAndServe(*addr, &proxy.DockerMachineProxy{
Machine: &mcn.DockerMachine{
Url: url,
CertPath: filepath.Join(mcndirs.GetBaseDir(), "machines", *machineName),
},
})
}
func NewHost(create bool, force bool) (*Host, error) {
// Create a Virtualbox host if an existing host doesn't already exist.
client := libmachine.NewClient(mcndirs.GetBaseDir())
existing, err := client.Load(DEFAULT_NAME)
if err != nil {
switch err.(type) {
case mcnerror.ErrHostDoesNotExist:
default:
log.Fatal(err)
}
}
if existing != nil && create && !force {
return nil, errors.New("Host already exists.")
} else if existing != nil && !create {
log.Debug("Existing host found.")
return &Host{
Host: existing,
Client: client,
}, nil
}
if create {
driver := virtualbox.NewDriver(DEFAULT_NAME, mcndirs.GetBaseDir())
driver.CPU = DEFAULT_CPU
driver.Memory = DEFAULT_MEMORY
// Disable the '/Users' mount, we handle that ourselves via
// `docker-unisync`.
driver.NoShare = true
data, err := json.Marshal(driver)
if err != nil {
log.Fatal(err)
}
pluginDriver, err := client.NewPluginDriver("virtualbox", data)
if err != nil {
log.Fatal(err)
}
h, err := client.NewHost(pluginDriver)
if err != nil {
log.Fatal(err)
}
if err := client.Create(h); err != nil {
log.Fatal(err)
}
return &Host{
Host: h,
Client: client,
}, nil
}
return nil, errors.New(fmt.Sprintf("The %v host doesn't exist and create was not specified.", DEFAULT_NAME))
}
func WithApi(handler Handler, args map[string]string, form map[string][]string) func() (interface{}, error) {
return func() (interface{}, error) {
globalMutex.Lock()
defer globalMutex.Unlock()
api := libmachine.NewClient(mcndirs.GetBaseDir(), mcndirs.GetMachineCertDir())
defer api.Close()
return handler.Handle(api, args, form)
}
}
func NewDockerMachine(config DockerMachineConfig) (DockerMachineAPI, error) {
storePath := config.StorePath
temp := false
if storePath == "" {
tempPath, err := ioutil.TempDir("", "")
if err != nil {
return nil, errors.Wrap(err, "failed to create temp dir")
}
storePath = tempPath
temp = true
}
certsPath := filepath.Join(storePath, "certs")
if _, err := os.Stat(certsPath); os.IsNotExist(err) {
err := os.MkdirAll(certsPath, 0700)
if err != nil {
return nil, errors.WithMessage(err, "failed to create certs dir")
}
}
if config.CaPath != "" {
err := mcnutils.CopyFile(filepath.Join(config.CaPath, "ca.pem"), filepath.Join(certsPath, "ca.pem"))
if err != nil {
return nil, errors.Wrap(err, "failed to copy ca file")
}
err = mcnutils.CopyFile(filepath.Join(config.CaPath, "ca-key.pem"), filepath.Join(certsPath, "ca-key.pem"))
if err != nil {
return nil, errors.Wrap(err, "failed to copy ca key file")
}
}
if config.OutWriter != nil {
log.SetOutWriter(config.OutWriter)
} else {
log.SetOutWriter(ioutil.Discard)
}
if config.ErrWriter != nil {
log.SetOutWriter(config.ErrWriter)
} else {
log.SetOutWriter(ioutil.Discard)
}
log.SetDebug(config.IsDebug)
client := libmachine.NewClient(storePath, certsPath)
client.IsDebug = config.IsDebug
if _, err := os.Stat(client.GetMachinesDir()); os.IsNotExist(err) {
err := os.MkdirAll(client.GetMachinesDir(), 0700)
if err != nil {
return nil, errors.WithMessage(err, "failed to create machines dir")
}
}
return &DockerMachine{
StorePath: storePath,
CertsPath: certsPath,
client: client,
temp: temp,
}, nil
}
func main() {
log.IsDebug = true
log.SetOutWriter(os.Stdout)
log.SetErrWriter(os.Stderr)
client := libmachine.NewClient("/tmp/automatic")
hostName := "myfunhost"
// Set some options on the provider...
driver := virtualbox.NewDriver(hostName, "/tmp/automatic")
driver.CPU = 2
driver.Memory = 2048
data, err := json.Marshal(driver)
if err != nil {
log.Fatal(err)
}
pluginDriver, err := client.NewPluginDriver("virtualbox", data)
if err != nil {
log.Fatal(err)
}
h, err := client.NewHost(pluginDriver)
if err != nil {
log.Fatal(err)
}
h.HostOptions.EngineOptions.StorageDriver = "overlay"
if err := client.Create(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 main() {
log.SetDebug(true)
client := libmachine.NewClient("/tmp/automatic", "/tmp/automatic/certs")
defer client.Close()
hostName := "myfunhost"
// Set some options on the provider...
driver := virtualbox.NewDriver(hostName, "/tmp/automatic")
driver.CPU = 2
driver.Memory = 2048
data, err := json.Marshal(driver)
if err != nil {
log.Error(err)
return
}
h, err := client.NewHost("virtualbox", data)
if err != nil {
log.Error(err)
return
}
h.HostOptions.EngineOptions.StorageDriver = "overlay"
if err := client.Create(h); err != nil {
log.Error(err)
return
}
out, err := h.RunSSHCommand("df -h")
if err != nil {
log.Error(err)
return
}
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.Error(err)
return
}
}
// findIP finds the IP address of a Docker Machine host given its name.
func findIP(name string) (net.IP, error) {
log.Println("Looking for virtualbox machine", name)
api := libmachine.NewClient(mcndirs.GetBaseDir(), mcndirs.GetMachineCertDir())
defer api.Close()
machine, err := api.Load(name)
if err != nil {
return nil, err
}
driver := machine.Driver.DriverName()
ip, err := machine.Driver.GetIP()
if err != nil {
return nil, err
}
log.Printf("Found %s(%s) with IP %s\n", name, driver, ip)
return net.ParseIP(ip), nil
}
func runCommand(command func(commandLine CommandLine, api libmachine.API) error) func(context *cli.Context) {
return func(context *cli.Context) {
api := libmachine.NewClient(mcndirs.GetBaseDir(), mcndirs.GetMachineCertDir())
defer api.Close()
if context.GlobalBool("native-ssh") {
api.SSHClientType = ssh.Native
}
api.GithubAPIToken = context.GlobalString("github-api-token")
api.Filestore.Path = context.GlobalString("storage-path")
// TODO (nathanleclaire): These should ultimately be accessed
// through the libmachine client by the rest of the code and
// not through their respective modules. For now, however,
// they are also being set the way that they originally were
// set to preserve backwards compatibility.
mcndirs.BaseDir = api.Filestore.Path
mcnutils.GithubAPIToken = api.GithubAPIToken
ssh.SetDefaultClient(api.SSHClientType)
if err := command(&contextCommandLine{context}, api); err != nil {
log.Error(err)
if crashErr, ok := err.(crashreport.CrashError); ok {
crashReporter := crashreport.NewCrashReporter(mcndirs.GetBaseDir(), context.GlobalString("bugsnag-api-token"))
crashReporter.Send(crashErr)
if _, ok := crashErr.Cause.(mcnerror.ErrDuringPreCreate); ok {
osExit(3)
return
}
}
osExit(1)
return
}
}
}
func (d *DockerMachineFsNotify) NotifyVm(event FsEvent) error {
api := libmachine.NewClient(mcndirs.GetBaseDir(), mcndirs.GetMachineCertDir())
host, err := api.Load(d.DockerMachineName)
if err != nil {
return err
}
currentState, err := host.Driver.GetState()
if err != nil {
return err
}
if currentState != state.Running {
return errors.New("Docker Machine " + host.Name + " is not running")
}
client, err := host.CreateSSHClient()
if err != nil {
return err
}
return client.Shell("touch -t " + event.ModTime.UTC().Format(touchTimeFormat) + " -m -c " + event.File)
}
func runStart(cmd *cobra.Command, args []string) {
fmt.Println("Starting local OpenShift cluster...")
api := libmachine.NewClient(constants.Minipath, constants.MakeMiniPath("certs"))
defer api.Close()
config := cluster.MachineConfig{
MinikubeISO: viper.GetString(isoURL),
Memory: viper.GetInt(memory),
CPUs: viper.GetInt(cpus),
DiskSize: calculateDiskSizeInMB(viper.GetString(humanReadableDiskSize)),
VMDriver: viper.GetString(vmDriver),
DockerEnv: dockerEnv,
InsecureRegistry: insecureRegistry,
RegistryMirror: registryMirror,
HostOnlyCIDR: viper.GetString(hostOnlyCIDR),
DeployRouter: viper.GetBool(deployRouter),
DeployRegistry: viper.GetBool(deployRegistry),
}
var host *host.Host
start := func() (err error) {
host, err = cluster.StartHost(api, config)
if err != nil {
glog.Errorf("Error starting host: %s. Retrying.\n", err)
}
return err
}
err := util.Retry(3, start)
if err != nil {
glog.Errorln("Error starting host: ", err)
os.Exit(1)
}
if err := cluster.UpdateCluster(host.Driver); err != nil {
glog.Errorln("Error updating cluster: ", err)
os.Exit(1)
}
kubeIP, err := host.Driver.GetIP()
if err != nil {
glog.Errorln("Error connecting to cluster: ", err)
os.Exit(1)
}
if err := cluster.StartCluster(host, kubeIP, config); err != nil {
glog.Errorln("Error starting cluster: ", err)
os.Exit(1)
}
kubeHost, err := host.Driver.GetURL()
if err != nil {
glog.Errorln("Error connecting to cluster: ", err)
os.Exit(1)
}
kubeHost = strings.Replace(kubeHost, "tcp://", "https://", -1)
kubeHost = strings.Replace(kubeHost, ":2376", ":"+strconv.Itoa(constants.APIServerPort), -1)
// setup kubeconfig
certAuth, err := cluster.GetCA(host)
if err != nil {
glog.Errorln("Error setting up kubeconfig: ", err)
os.Exit(1)
}
if err := setupKubeconfig(kubeHost, certAuth); err != nil {
glog.Errorln("Error setting up kubeconfig: ", err)
os.Exit(1)
}
}
// otherwise default to allcaps HTTP_PROXY
if noProxyValue == "" {
noProxyVar = "NO_PROXY"
noProxyValue = os.Getenv("NO_PROXY")
}
return noProxyVar, noProxyValue
}
// envCmd represents the docker-env command
var dockerEnvCmd = &cobra.Command{
Use: "docker-env",
Short: "sets up docker env variables; similar to '$(docker-machine env)'",
Long: `sets up docker env variables; similar to '$(docker-machine env)'`,
Run: func(cmd *cobra.Command, args []string) {
api := libmachine.NewClient(constants.Minipath, constants.MakeMiniPath("certs"))
defer api.Close()
var (
err error
shellCfg *ShellConfig
)
if unset {
shellCfg, err = shellCfgUnset(api)
if err != nil {
glog.Errorln("Error setting machine env variable(s):", err)
os.Exit(1)
}
} else {
shellCfg, err = shellCfgSet(api)
func runStart(cmd *cobra.Command, args []string) {
fmt.Println("Starting local Kubernetes cluster...")
api := libmachine.NewClient(constants.Minipath, constants.MakeMiniPath("certs"))
defer api.Close()
config := cluster.MachineConfig{
MinikubeISO: viper.GetString(isoURL),
Memory: viper.GetInt(memory),
CPUs: viper.GetInt(cpus),
DiskSize: calculateDiskSizeInMB(viper.GetString(humanReadableDiskSize)),
VMDriver: viper.GetString(vmDriver),
DockerEnv: dockerEnv,
InsecureRegistry: insecureRegistry,
RegistryMirror: registryMirror,
HostOnlyCIDR: viper.GetString(hostOnlyCIDR),
}
var host *host.Host
start := func() (err error) {
host, err = cluster.StartHost(api, config)
if err != nil {
glog.Errorf("Error starting host: %s. Retrying.\n", err)
}
return err
}
err := util.Retry(3, start)
if err != nil {
glog.Errorln("Error starting host: ", err)
util.MaybeReportErrorAndExit(err)
}
ip, err := host.Driver.GetIP()
if err != nil {
glog.Errorln("Error starting host: ", err)
util.MaybeReportErrorAndExit(err)
}
kubernetesConfig := cluster.KubernetesConfig{
KubernetesVersion: viper.GetString(kubernetesVersion),
NodeIP: ip,
ContainerRuntime: viper.GetString(containerRuntime),
NetworkPlugin: viper.GetString(networkPlugin),
}
if err := cluster.UpdateCluster(host, host.Driver, kubernetesConfig); err != nil {
glog.Errorln("Error updating cluster: ", err)
util.MaybeReportErrorAndExit(err)
}
if err := cluster.SetupCerts(host.Driver); err != nil {
glog.Errorln("Error configuring authentication: ", err)
util.MaybeReportErrorAndExit(err)
}
if err := cluster.StartCluster(host, kubernetesConfig); err != nil {
glog.Errorln("Error starting cluster: ", err)
util.MaybeReportErrorAndExit(err)
}
kubeHost, err := host.Driver.GetURL()
if err != nil {
glog.Errorln("Error connecting to cluster: ", err)
}
kubeHost = strings.Replace(kubeHost, "tcp://", "https://", -1)
kubeHost = strings.Replace(kubeHost, ":2376", ":"+strconv.Itoa(constants.APIServerPort), -1)
// setup kubeconfig
name := constants.MinikubeContext
certAuth := constants.MakeMiniPath("ca.crt")
clientCert := constants.MakeMiniPath("apiserver.crt")
clientKey := constants.MakeMiniPath("apiserver.key")
if err := setupKubeconfig(name, kubeHost, certAuth, clientCert, clientKey); err != nil {
glog.Errorln("Error setting up kubeconfig: ", err)
util.MaybeReportErrorAndExit(err)
}
fmt.Println("Kubectl is now configured to use the cluster.")
}
// Streaming the output of an SSH session in virtualbox.
func streaming() {
log.SetDebug(true)
client := libmachine.NewClient("/tmp/automatic", "/tmp/automatic/certs")
defer client.Close()
hostName := "myfunhost"
// Set some options on the provider...
driver := virtualbox.NewDriver(hostName, "/tmp/automatic")
data, err := json.Marshal(driver)
if err != nil {
log.Error(err)
return
}
h, err := client.NewHost("virtualbox", data)
if err != nil {
log.Error(err)
return
}
if err := client.Create(h); err != nil {
log.Error(err)
return
}
h.HostOptions.EngineOptions.StorageDriver = "overlay"
sshClient, err := h.CreateSSHClient()
if err != nil {
log.Error(err)
return
}
stdout, stderr, err := sshClient.Start("yes | head -n 10000")
if err != nil {
log.Error(err)
return
}
defer func() {
_ = stdout.Close()
_ = stderr.Close()
}()
scanner := bufio.NewScanner(stdout)
for scanner.Scan() {
fmt.Println(scanner.Text())
}
if err := scanner.Err(); err != nil {
log.Error(err)
}
if err := sshClient.Wait(); err != nil {
log.Error(err)
}
fmt.Println("Powering down machine now...")
if err := h.Stop(); err != nil {
log.Error(err)
return
}
}