mirror of https://github.com/docker/docs.git
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package libmachine
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
|
|
"github.com/docker/machine/drivers"
|
|
"github.com/docker/machine/version"
|
|
)
|
|
|
|
func getMigratedHostMetadata(data []byte) (*HostMetadata, error) {
|
|
// HostMetadata is for a "first pass" so we can then load the driver
|
|
var (
|
|
hostMetadata *HostMetadataV0
|
|
)
|
|
|
|
if err := json.Unmarshal(data, &hostMetadata); err != nil {
|
|
return &HostMetadata{}, err
|
|
}
|
|
|
|
migratedHostMetadata := MigrateHostMetadataV0ToHostMetadataV1(hostMetadata)
|
|
|
|
return migratedHostMetadata, nil
|
|
}
|
|
|
|
func MigrateHost(h *Host, data []byte) (*Host, error) {
|
|
migratedHostMetadata, err := getMigratedHostMetadata(data)
|
|
if err != nil {
|
|
return &Host{}, err
|
|
}
|
|
|
|
authOptions := migratedHostMetadata.HostOptions.AuthOptions
|
|
|
|
driver, err := drivers.NewDriver(
|
|
migratedHostMetadata.DriverName,
|
|
h.Name,
|
|
h.StorePath,
|
|
authOptions.CaCertPath,
|
|
authOptions.PrivateKeyPath,
|
|
)
|
|
if err != nil {
|
|
return &Host{}, err
|
|
}
|
|
|
|
for h.ConfigVersion = migratedHostMetadata.ConfigVersion; h.ConfigVersion < version.ConfigVersion; h.ConfigVersion++ {
|
|
switch h.ConfigVersion {
|
|
case 0:
|
|
hostV0 := &HostV0{
|
|
Driver: driver,
|
|
}
|
|
if err := json.Unmarshal(data, &hostV0); err != nil {
|
|
return &Host{}, fmt.Errorf("Error unmarshalling host config version 0: %s", err)
|
|
}
|
|
h = MigrateHostV0ToHostV1(hostV0)
|
|
default:
|
|
}
|
|
}
|
|
|
|
h.Driver = driver
|
|
if err := json.Unmarshal(data, &h); err != nil {
|
|
return &Host{}, fmt.Errorf("Error unmarshalling most recent host version: %s", err)
|
|
}
|
|
|
|
return h, nil
|
|
}
|