open-nomad/plugins/drivers/task_handle.go

44 lines
996 B
Go

package drivers
import (
"github.com/hashicorp/nomad/plugins/base"
)
// TaskHandle is the state shared between a driver and the client.
// It is returned to the client after starting the task and used
// for recovery of tasks during a driver restart.
type TaskHandle struct {
Driver string
Config *TaskConfig
State TaskState
DriverState []byte
}
func NewTaskHandle(driver string) *TaskHandle {
return &TaskHandle{Driver: driver}
}
func (h *TaskHandle) SetDriverState(v interface{}) error {
h.DriverState = []byte{}
return base.MsgPackEncode(&h.DriverState, v)
}
func (h *TaskHandle) GetDriverState(v interface{}) error {
return base.MsgPackDecode(h.DriverState, v)
}
func (h *TaskHandle) Copy() *TaskHandle {
if h == nil {
return nil
}
handle := new(TaskHandle)
handle.Driver = h.Driver
handle.Config = h.Config.Copy()
handle.State = h.State
handle.DriverState = make([]byte, len(h.DriverState))
copy(handle.DriverState, h.DriverState)
return handle
}