func mountState(cfg *config.Config) error {
var err error
if cfg.State.Dev != "" {
dev := util.ResolveDevice(cfg.State.Dev)
log.Infof("Mounting state device %s to %s", dev, STATE)
fsType := cfg.State.FsType
if fsType == "auto" {
fsType, err = util.GetFsType(dev)
}
if err == nil {
log.Debugf("FsType has been set to %s", fsType)
err = util.Mount(dev, STATE, fsType, "")
}
}
if err != nil && cfg.State.Required {
return err
}
if err != nil || cfg.State.Dev == "" {
log.Debugf("State will not be persisted")
err = util.Mount("none", STATE, "tmpfs", "")
}
return err
}
func mountState(cfg *config.Config) error {
var err error
if cfg.State.Dev != "" {
dev := util.ResolveDevice(cfg.State.Dev)
if dev == "" {
msg := fmt.Sprintf("Could not resolve device %q", cfg.State.Dev)
log.Infof(msg)
return fmt.Errorf(msg)
}
log.Infof("Mounting state device %s to %s", dev, STATE)
fsType := cfg.State.FsType
if fsType == "auto" {
fsType, err = util.GetFsType(dev)
}
if err == nil {
log.Debugf("FsType has been set to %s", fsType)
err = util.Mount(dev, STATE, fsType, "")
}
} else {
return mountStateTmpfs(cfg)
}
return err
}
func autoformat(cfg *config.Config) error {
if len(cfg.State.Autoformat) == 0 || util.ResolveDevice(cfg.State.Dev) != "" {
return nil
}
AUTOFORMAT := "AUTOFORMAT=" + strings.Join(cfg.State.Autoformat, " ")
FORMATZERO := "FORMATZERO=" + fmt.Sprint(cfg.State.FormatZero)
cfg.Autoformat["autoformat"].Environment = project.NewMaporEqualSlice([]string{AUTOFORMAT, FORMATZERO})
log.Info("Running Autoformat services")
err := docker.RunServices("autoformat", cfg, cfg.Autoformat)
return err
}
func mountState(cfg *config.CloudConfig) error {
var err error
if cfg.Rancher.State.Dev == "" {
return nil
}
dev := util.ResolveDevice(cfg.Rancher.State.Dev)
if dev == "" {
return fmt.Errorf("Could not resolve device %q", cfg.Rancher.State.Dev)
}
fsType := cfg.Rancher.State.FsType
if fsType == "auto" {
fsType, err = util.GetFsType(dev)
}
if err != nil {
return err
}
log.Debugf("FsType has been set to %s", fsType)
log.Infof("Mounting state device %s to %s", dev, STATE)
return util.Mount(dev, STATE, fsType, "")
}
func autoformat(cfg *config.Config) error {
if len(cfg.State.Autoformat) == 0 || util.ResolveDevice(cfg.State.Dev) != "" {
return nil
}
var format string
outer:
for _, dev := range cfg.State.Autoformat {
log.Infof("Checking %s to auto-format", dev)
if _, err := os.Stat(dev); os.IsNotExist(err) {
continue
}
f, err := os.Open(dev)
if err != nil {
return err
}
defer f.Close()
buffer := make([]byte, 1048576, 1048576)
c, err := f.Read(buffer)
if err != nil {
return err
}
if c != 1048576 {
log.Infof("%s not right size", dev)
continue
}
boot2docker := false
if strings.HasPrefix(string(buffer[:len(boot2dockerMagic)]), boot2dockerMagic) {
boot2docker = true
}
if boot2docker == false {
for _, b := range buffer {
if b != 0 {
log.Infof("%s not empty", dev)
continue outer
}
}
}
format = dev
break
}
if format != "" {
log.Infof("Auto formatting : %s", format)
// copy
udev := *cfg.BootstrapContainers["udev"]
udev.Links = project.NewMaporColonSlice(append(udev.Links.Slice(), "autoformat"))
udev.LogDriver = "json-file"
err := docker.RunServices("autoformat", cfg, map[string]*project.ServiceConfig{
"autoformat": {
Net: "none",
Privileged: true,
Image: "rancher/os-autoformat:" + config.VERSION,
Command: project.NewCommand(format),
Labels: project.NewSliceorMap(map[string]string{
config.DETACH: "false",
config.SCOPE: config.SYSTEM,
}),
LogDriver: "json-file",
Environment: project.NewMaporEqualSlice([]string{
"MAGIC=" + boot2dockerMagic,
}),
},
"udev": &udev,
})
return err
}
return nil
}