// parseTmpfs supports a simple tmpfs decl, similar to docker run.
//
// This should go away.
func parseTmpfs(flags *pflag.FlagSet, spec *api.ServiceSpec) error {
if flags.Changed("tmpfs") {
tmpfss, err := flags.GetStringSlice("tmpfs")
if err != nil {
return err
}
container := spec.Task.GetContainer()
// TODO(stevvooe): Nasty inline parsing code, replace with mount syntax.
for _, tmpfs := range tmpfss {
parts := strings.SplitN(tmpfs, ":", 2)
if len(parts) < 1 {
return errors.Errorf("invalid mount spec: %v", tmpfs)
}
if len(parts[0]) == 0 || !path.IsAbs(parts[0]) {
return errors.Errorf("invalid mount spec: %v", tmpfs)
}
m := api.Mount{
Type: api.MountTypeTmpfs,
Target: parts[0],
}
if len(parts) == 2 {
if strings.Contains(parts[1], ":") {
// repeated colon is illegal
return errors.Errorf("invalid mount spec: %v", tmpfs)
}
// BUG(stevvooe): Cobra stringslice actually doesn't correctly
// handle comma separated values, so multiple flags aren't
// really supported. We'll have to replace StringSlice with a
// type that doesn't use the csv parser. This is good enough
// for now.
flags := strings.Split(parts[1], ",")
var opts api.Mount_TmpfsOptions
for _, flag := range flags {
switch {
case strings.HasPrefix(flag, "size="):
meat := strings.TrimPrefix(flag, "size=")
// try to parse this into bytes
i, err := strconv.ParseInt(meat, 10, 64)
if err != nil {
// remove suffux and try again
suffix := meat[len(meat)-1]
meat = meat[:len(meat)-1]
var multiplier int64 = 1
switch suffix {
case 'g':
multiplier = 1 << 30
case 'm':
multiplier = 1 << 20
case 'k':
multiplier = 1 << 10
default:
return errors.Errorf("invalid size format: %v", flag)
}
// reparse the meat
var err error
i, err = strconv.ParseInt(meat, 10, 64)
if err != nil {
return err
}
i *= multiplier
}
opts.SizeBytes = i
case strings.HasPrefix(flag, "mode="):
meat := strings.TrimPrefix(flag, "mode=")
i, err := strconv.ParseInt(meat, 8, 32)
if err != nil {
return err
}
opts.Mode = os.FileMode(i)
case flag == "ro":
m.ReadOnly = true
case flag == "rw":
m.ReadOnly = false
default:
return errors.New("unsupported flag")
}
}
m.TmpfsOptions = &opts
}
fmt.Println("mount", m)
container.Mounts = append(container.Mounts, m)
}
}
return nil
}
func containerToGRPC(c types.ContainerSpec) (*swarmapi.ContainerSpec, error) {
containerSpec := &swarmapi.ContainerSpec{
Image: c.Image,
Labels: c.Labels,
Command: c.Command,
Args: c.Args,
Hostname: c.Hostname,
Env: c.Env,
Dir: c.Dir,
User: c.User,
Groups: c.Groups,
TTY: c.TTY,
OpenStdin: c.OpenStdin,
Hosts: c.Hosts,
Secrets: secretReferencesToGRPC(c.Secrets),
}
if c.DNSConfig != nil {
containerSpec.DNSConfig = &swarmapi.ContainerSpec_DNSConfig{
Nameservers: c.DNSConfig.Nameservers,
Search: c.DNSConfig.Search,
Options: c.DNSConfig.Options,
}
}
if c.StopGracePeriod != nil {
containerSpec.StopGracePeriod = ptypes.DurationProto(*c.StopGracePeriod)
}
// Mounts
for _, m := range c.Mounts {
mount := swarmapi.Mount{
Target: m.Target,
Source: m.Source,
ReadOnly: m.ReadOnly,
}
if mountType, ok := swarmapi.Mount_MountType_value[strings.ToUpper(string(m.Type))]; ok {
mount.Type = swarmapi.Mount_MountType(mountType)
} else if string(m.Type) != "" {
return nil, fmt.Errorf("invalid MountType: %q", m.Type)
}
if m.BindOptions != nil {
if mountPropagation, ok := swarmapi.Mount_BindOptions_MountPropagation_value[strings.ToUpper(string(m.BindOptions.Propagation))]; ok {
mount.BindOptions = &swarmapi.Mount_BindOptions{Propagation: swarmapi.Mount_BindOptions_MountPropagation(mountPropagation)}
} else if string(m.BindOptions.Propagation) != "" {
return nil, fmt.Errorf("invalid MountPropagation: %q", m.BindOptions.Propagation)
}
}
if m.VolumeOptions != nil {
mount.VolumeOptions = &swarmapi.Mount_VolumeOptions{
NoCopy: m.VolumeOptions.NoCopy,
Labels: m.VolumeOptions.Labels,
}
if m.VolumeOptions.DriverConfig != nil {
mount.VolumeOptions.DriverConfig = &swarmapi.Driver{
Name: m.VolumeOptions.DriverConfig.Name,
Options: m.VolumeOptions.DriverConfig.Options,
}
}
}
if m.TmpfsOptions != nil {
mount.TmpfsOptions = &swarmapi.Mount_TmpfsOptions{
SizeBytes: m.TmpfsOptions.SizeBytes,
Mode: m.TmpfsOptions.Mode,
}
}
containerSpec.Mounts = append(containerSpec.Mounts, mount)
}
if c.Healthcheck != nil {
containerSpec.Healthcheck = healthConfigToGRPC(c.Healthcheck)
}
return containerSpec, nil
}