func DumpVal(vals ...interface{}) {
for _, val := range vals {
prettyJSON, err := json.MarshalIndent(val, "", " ")
if err != nil {
log.Fatal(err)
}
log.Debug(string(prettyJSON))
}
}
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 (h *Host) Upgrade() error {
machineState, err := h.Driver.GetState()
if err != nil {
return err
}
if machineState != state.Running {
log.Fatal(errMachineMustBeRunningForUpgrade)
}
provisioner, err := provision.DetectProvisioner(h.Driver)
if err != nil {
return err
}
if err := provisioner.Package("docker", pkgaction.Upgrade); err != nil {
return err
}
if err := provisioner.Service("docker", pkgaction.Restart); err != nil {
return err
}
return nil
}
func BootstrapCertificates(authOptions *auth.AuthOptions) error {
certDir := authOptions.CertDir
caCertPath := authOptions.CaCertPath
caPrivateKeyPath := authOptions.CaPrivateKeyPath
clientCertPath := authOptions.ClientCertPath
clientKeyPath := authOptions.ClientKeyPath
// TODO: I'm not super happy about this use of "org", the user should
// have to specify it explicitly instead of implicitly basing it on
// $USER.
org := mcnutils.GetUsername()
bits := 2048
if _, err := os.Stat(certDir); err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(certDir, 0700); err != nil {
log.Fatalf("Error creating machine config dir: %s", err)
}
} else {
log.Fatal(err)
}
}
if _, err := os.Stat(caCertPath); os.IsNotExist(err) {
log.Infof("Creating CA: %s", caCertPath)
// check if the key path exists; if so, error
if _, err := os.Stat(caPrivateKeyPath); err == nil {
log.Fatalf("The CA key already exists. Please remove it or specify a different key/cert.")
}
if err := GenerateCACertificate(caCertPath, caPrivateKeyPath, org, bits); err != nil {
log.Infof("Error generating CA certificate: %s", err)
}
}
if _, err := os.Stat(clientCertPath); os.IsNotExist(err) {
log.Infof("Creating client certificate: %s", clientCertPath)
if _, err := os.Stat(certDir); err != nil {
if os.IsNotExist(err) {
if err := os.Mkdir(certDir, 0700); err != nil {
log.Fatalf("Error creating machine client cert dir: %s", err)
}
} else {
log.Fatal(err)
}
}
// check if the key path exists; if so, error
if _, err := os.Stat(clientKeyPath); err == nil {
log.Fatalf("The client key already exists. Please remove it or specify a different key/cert.")
}
if err := GenerateCert([]string{""}, clientCertPath, clientKeyPath, caCertPath, caPrivateKeyPath, org, bits); err != nil {
log.Fatalf("Error generating client certificate: %s", err)
}
}
return nil
}