// New gets a path to configuration directory
// path to temporary directory where the vHDD image supposed to be mounted
// and path to vHDD image.
// Returns a pointer to the structure and error/nil
func New(config *Disk, rootfsMp string, bins *Utils, remoteConfig *sshfs.Config) (i *image, err error) {
i = new(image)
i.needToFormat = false
var qemuImgError string
if remoteConfig == nil {
i.run = utils.RunFunc(nil)
i.slashpath = rootfsMp
i.utils = bins
qemuImgError = "please install qemu-img"
} else {
i.run = utils.RunFunc(remoteConfig.Common)
i.client, err = sshfs.NewClient(remoteConfig)
if err != nil {
err = utils.FormatError(err)
return
}
i.localmount = rootfsMp
if i.slashpath, err = i.run("mktemp -d --suffix _deployer_rootfs"); err != nil {
err = utils.FormatError(err)
return
}
if err = i.client.Attach(i.slashpath, i.localmount); err != nil {
err = utils.FormatError(err)
return
}
if err = setUtilNewPaths(i, bins); err != nil {
err = utils.FormatError(err)
return
}
qemuImgError = "please install qemu-img on remote host"
}
if config.Type != StorageTypeRAW {
if _, err = i.run("which qemu-img"); err != nil {
err = utils.FormatError(errors.New(qemuImgError))
return
}
// set temporary name
config.Path = strings.Replace(config.Path, "."+string(config.Type), "", -1)
}
i.config = config
i.config.Path = config.Path + ".raw"
if _, err = i.run("ls" + config.Path); err != nil {
if err = i.create(); err != nil {
err = utils.FormatError(err)
return
}
if config.Partitions != nil {
i.needToFormat = true
}
}
i.loopDevice = new(loopDevice)
i.loopDevice.amountOfMappers = 0
return
}
// NewCollector constructs new lshw Collector
// The output will be represented in JSON format
func NewCollector(sshconf *ssh.Config, lshwpath, hwinfoFile string) (*Collector, error) {
c := new(Collector)
c.Run = utils.RunFunc(sshconf)
c.hwinfoFile = hwinfoFile
c.prepare = prepareFunc(c, sshconf, lshwpath)
return c, nil
}
func (b *MetadataBuilder) Run() (deployer.Artifact, error) {
// in case no source template exists apparently we should use the default metadata
_, err := os.Stat(b.Source)
if err != nil {
b.Source = b.Dest
}
f, err := ioutil.ReadFile(b.Source)
if err != nil {
return nil, utils.FormatError(err)
}
data, err := utils.ProcessTemplate(string(f), b.UserData)
if err != nil {
return nil, utils.FormatError(err)
}
run := utils.RunFunc(b.SshConfig)
if _, err := run(fmt.Sprintf("echo \"%s\" > %s", data, b.Dest)); err != nil {
return nil, utils.FormatError(err)
}
return &deployer.CommonArtifact{
Name: filepath.Base(b.Dest),
Path: b.Dest,
Type: deployer.MetadataArtifact,
}, nil
}
// Destroy is responsible for removing appropriate artifact.
func (a *CommonArtifact) Destroy() error {
run := utils.RunFunc(a.SshConfig)
if _, err := run("rm " + a.Path); err != nil {
return utils.FormatError(err)
}
return nil
}
func NewCollector(config *ssh.Config) *Collector {
c := new(Collector)
c.run = utils.RunFunc(config)
return c
}
func NewDriver(config *ssh.Config) *Driver {
d := new(Driver)
d.Run = utils.RunFunc(config)
return d
}
func UiSshConfig(ui *gui.DialogUi) (*sshconf.Config, error) {
cfg := new(sshconf.Config)
cfg.Port = "22"
cfg.User = "******"
origlist := []string{"IP : ", "1", "1", "", "1", "10", "22", "0", "0",
"SSH Port: ", "2", "1", cfg.Port, "2", "10", "22", "0", "0",
"Username: "******"3", "1", cfg.User, "3", "10", "22", "0", "0"}
MainLoop:
for {
ui.HelpButton(true)
ui.SetHelpLabel("Back")
reslist, err := ui.Mixedform("Remote session configuration", false, origlist[0:]...)
if err != nil {
return nil, err
}
if len(reslist) < 3 {
continue
}
if net.ParseIP(reslist[0]) == nil {
continue
}
cfg.Host = reslist[0]
portDig, err := strconv.Atoi(reslist[1])
if err != nil {
return nil, utils.FormatError(err)
}
if portDig > 65535 {
continue
}
AuthLoop:
for {
ui.SetTitle("Authentication method")
ui.SetSize(9, 18)
ui.HelpButton(true)
ui.SetHelpLabel("Back")
val, err := ui.Menu(2, "1", "Password", "2", "Private key")
if err != nil {
switch err.Error() {
case gui.DialogMoveBack:
continue MainLoop
case gui.DialogExit:
os.Exit(1)
}
}
switch val {
case "1":
cfg.Password, err = ui.GetPasswordFromInput(cfg.Host, cfg.User, "Back", "", false)
case "2":
cfg.PrvtKeyFile, err = ui.GetPathToFileFromInput("Path to ssh private key file", "Back", "")
}
if err != nil {
switch err.Error() {
case gui.DialogMoveBack:
continue AuthLoop
case gui.DialogExit:
os.Exit(1)
}
}
break MainLoop
}
}
run := utils.RunFunc(cfg)
errCh := make(chan error)
defer close(errCh)
go func() {
// verifying that user is able execute a command by using sudo
_, err := run("uname")
errCh <- err
}()
if err := ui.Wait("Trying to establish SSH connection to remote host.\nPlease wait...", time.Second*1, time.Second*5, errCh); err != nil {
ui.Output(gui.Warning, "Unable to establish SSH connection.", "Press <OK> to return to menu.")
goto MainLoop
}
return cfg, nil
}