func containerSpecFromGRPC(c *swarmapi.ContainerSpec) types.ContainerSpec {
containerSpec := types.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: secretReferencesFromGRPC(c.Secrets),
}
if c.DNSConfig != nil {
containerSpec.DNSConfig = &types.DNSConfig{
Nameservers: c.DNSConfig.Nameservers,
Search: c.DNSConfig.Search,
Options: c.DNSConfig.Options,
}
}
// Mounts
for _, m := range c.Mounts {
mount := mounttypes.Mount{
Target: m.Target,
Source: m.Source,
Type: mounttypes.Type(strings.ToLower(swarmapi.Mount_MountType_name[int32(m.Type)])),
ReadOnly: m.ReadOnly,
}
if m.BindOptions != nil {
mount.BindOptions = &mounttypes.BindOptions{
Propagation: mounttypes.Propagation(strings.ToLower(swarmapi.Mount_BindOptions_MountPropagation_name[int32(m.BindOptions.Propagation)])),
}
}
if m.VolumeOptions != nil {
mount.VolumeOptions = &mounttypes.VolumeOptions{
NoCopy: m.VolumeOptions.NoCopy,
Labels: m.VolumeOptions.Labels,
}
if m.VolumeOptions.DriverConfig != nil {
mount.VolumeOptions.DriverConfig = &mounttypes.Driver{
Name: m.VolumeOptions.DriverConfig.Name,
Options: m.VolumeOptions.DriverConfig.Options,
}
}
}
if m.TmpfsOptions != nil {
mount.TmpfsOptions = &mounttypes.TmpfsOptions{
SizeBytes: m.TmpfsOptions.SizeBytes,
Mode: m.TmpfsOptions.Mode,
}
}
containerSpec.Mounts = append(containerSpec.Mounts, mount)
}
if c.StopGracePeriod != nil {
grace, _ := ptypes.Duration(c.StopGracePeriod)
containerSpec.StopGracePeriod = &grace
}
if c.Healthcheck != nil {
containerSpec.Healthcheck = healthConfigFromGRPC(c.Healthcheck)
}
return containerSpec
}
func convertMount(m api.Mount) enginemount.Mount {
mount := enginemount.Mount{
Source: m.Source,
Target: m.Target,
ReadOnly: m.ReadOnly,
}
switch m.Type {
case api.MountTypeBind:
mount.Type = enginemount.TypeBind
case api.MountTypeVolume:
mount.Type = enginemount.TypeVolume
case api.MountTypeTmpfs:
mount.Type = enginemount.TypeTmpfs
}
if m.BindOptions != nil {
mount.BindOptions = &enginemount.BindOptions{}
switch m.BindOptions.Propagation {
case api.MountPropagationRPrivate:
mount.BindOptions.Propagation = enginemount.PropagationRPrivate
case api.MountPropagationPrivate:
mount.BindOptions.Propagation = enginemount.PropagationPrivate
case api.MountPropagationRSlave:
mount.BindOptions.Propagation = enginemount.PropagationRSlave
case api.MountPropagationSlave:
mount.BindOptions.Propagation = enginemount.PropagationSlave
case api.MountPropagationRShared:
mount.BindOptions.Propagation = enginemount.PropagationRShared
case api.MountPropagationShared:
mount.BindOptions.Propagation = enginemount.PropagationShared
}
}
if m.VolumeOptions != nil {
mount.VolumeOptions = &enginemount.VolumeOptions{
NoCopy: m.VolumeOptions.NoCopy,
}
if m.VolumeOptions.Labels != nil {
mount.VolumeOptions.Labels = make(map[string]string, len(m.VolumeOptions.Labels))
for k, v := range m.VolumeOptions.Labels {
mount.VolumeOptions.Labels[k] = v
}
}
if m.VolumeOptions.DriverConfig != nil {
mount.VolumeOptions.DriverConfig = &enginemount.Driver{
Name: m.VolumeOptions.DriverConfig.Name,
}
if m.VolumeOptions.DriverConfig.Options != nil {
mount.VolumeOptions.DriverConfig.Options = make(map[string]string, len(m.VolumeOptions.DriverConfig.Options))
for k, v := range m.VolumeOptions.DriverConfig.Options {
mount.VolumeOptions.DriverConfig.Options[k] = v
}
}
}
}
if m.TmpfsOptions != nil {
mount.TmpfsOptions = &enginemount.TmpfsOptions{
SizeBytes: m.TmpfsOptions.SizeBytes,
Mode: m.TmpfsOptions.Mode,
}
}
return mount
}
// Set a new mount value
func (m *MountOpt) Set(value string) error {
csvReader := csv.NewReader(strings.NewReader(value))
fields, err := csvReader.Read()
if err != nil {
return err
}
mount := mounttypes.Mount{}
volumeOptions := func() *mounttypes.VolumeOptions {
if mount.VolumeOptions == nil {
mount.VolumeOptions = &mounttypes.VolumeOptions{
Labels: make(map[string]string),
}
}
if mount.VolumeOptions.DriverConfig == nil {
mount.VolumeOptions.DriverConfig = &mounttypes.Driver{}
}
return mount.VolumeOptions
}
bindOptions := func() *mounttypes.BindOptions {
if mount.BindOptions == nil {
mount.BindOptions = new(mounttypes.BindOptions)
}
return mount.BindOptions
}
tmpfsOptions := func() *mounttypes.TmpfsOptions {
if mount.TmpfsOptions == nil {
mount.TmpfsOptions = new(mounttypes.TmpfsOptions)
}
return mount.TmpfsOptions
}
setValueOnMap := func(target map[string]string, value string) {
parts := strings.SplitN(value, "=", 2)
if len(parts) == 1 {
target[value] = ""
} else {
target[parts[0]] = parts[1]
}
}
mount.Type = mounttypes.TypeVolume // default to volume mounts
// Set writable as the default
for _, field := range fields {
parts := strings.SplitN(field, "=", 2)
key := strings.ToLower(parts[0])
if len(parts) == 1 {
switch key {
case "readonly", "ro":
mount.ReadOnly = true
continue
case "volume-nocopy":
volumeOptions().NoCopy = true
continue
}
}
if len(parts) != 2 {
return fmt.Errorf("invalid field '%s' must be a key=value pair", field)
}
value := parts[1]
switch key {
case "type":
mount.Type = mounttypes.Type(strings.ToLower(value))
case "source", "src":
mount.Source = value
case "target", "dst", "destination":
mount.Target = value
case "readonly", "ro":
mount.ReadOnly, err = strconv.ParseBool(value)
if err != nil {
return fmt.Errorf("invalid value for %s: %s", key, value)
}
case "bind-propagation":
bindOptions().Propagation = mounttypes.Propagation(strings.ToLower(value))
case "volume-nocopy":
volumeOptions().NoCopy, err = strconv.ParseBool(value)
if err != nil {
return fmt.Errorf("invalid value for populate: %s", value)
}
case "volume-label":
setValueOnMap(volumeOptions().Labels, value)
case "volume-driver":
volumeOptions().DriverConfig.Name = value
case "volume-opt":
if volumeOptions().DriverConfig.Options == nil {
volumeOptions().DriverConfig.Options = make(map[string]string)
}
setValueOnMap(volumeOptions().DriverConfig.Options, value)
case "tmpfs-size":
sizeBytes, err := units.RAMInBytes(value)
if err != nil {
return fmt.Errorf("invalid value for %s: %s", key, value)
}
tmpfsOptions().SizeBytes = sizeBytes
case "tmpfs-mode":
ui64, err := strconv.ParseUint(value, 8, 32)
if err != nil {
return fmt.Errorf("invalid value for %s: %s", key, value)
}
tmpfsOptions().Mode = os.FileMode(ui64)
default:
return fmt.Errorf("unexpected key '%s' in '%s'", key, field)
}
}
if mount.Type == "" {
return fmt.Errorf("type is required")
}
if mount.Target == "" {
return fmt.Errorf("target is required")
}
if mount.VolumeOptions != nil && mount.Type != mounttypes.TypeVolume {
return fmt.Errorf("cannot mix 'volume-*' options with mount type '%s'", mount.Type)
}
if mount.BindOptions != nil && mount.Type != mounttypes.TypeBind {
return fmt.Errorf("cannot mix 'bind-*' options with mount type '%s'", mount.Type)
}
if mount.TmpfsOptions != nil && mount.Type != mounttypes.TypeTmpfs {
return fmt.Errorf("cannot mix 'tmpfs-*' options with mount type '%s'", mount.Type)
}
m.values = append(m.values, mount)
return nil
}