mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-22 01:30:43 +02:00
55 lines
932 B
Go
55 lines
932 B
Go
package shell
|
|
|
|
import (
|
|
"io"
|
|
)
|
|
|
|
func init() {
|
|
Commands = append(Commands, &commandUnlock{})
|
|
Commands = append(Commands, &commandLock{})
|
|
}
|
|
|
|
// =========== Lock ==============
|
|
type commandLock struct {
|
|
}
|
|
|
|
func (c *commandLock) Name() string {
|
|
return "lock"
|
|
}
|
|
|
|
func (c *commandLock) Help() string {
|
|
return `lock in order to exclusively manage the cluster
|
|
|
|
This is a blocking operation if there is alread another lock.
|
|
`
|
|
}
|
|
|
|
func (c *commandLock) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
|
|
|
|
commandEnv.locker.RequestLock()
|
|
|
|
return nil
|
|
}
|
|
|
|
// =========== Unlock ==============
|
|
|
|
type commandUnlock struct {
|
|
}
|
|
|
|
func (c *commandUnlock) Name() string {
|
|
return "unlock"
|
|
}
|
|
|
|
func (c *commandUnlock) Help() string {
|
|
return `unlock the cluster-wide lock
|
|
|
|
`
|
|
}
|
|
|
|
func (c *commandUnlock) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
|
|
|
|
commandEnv.locker.ReleaseLock()
|
|
|
|
return nil
|
|
}
|