67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package taskrunner
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import (
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"context"
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"time"
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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/plugins/drivers"
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)
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// NewDriverHandle returns a handle for task operations on a specific task
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func NewDriverHandle(driver drivers.DriverPlugin, taskID string, task *structs.Task, net *cstructs.DriverNetwork) *DriverHandle {
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return &DriverHandle{
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driver: driver,
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net: net,
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taskID: taskID,
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task: task,
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}
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}
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// DriverHandle encapsulates a driver plugin client and task identifier and exposes
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// an api to perform driver operations on the task
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type DriverHandle struct {
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driver drivers.DriverPlugin
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net *cstructs.DriverNetwork
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task *structs.Task
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taskID string
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}
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func (h *DriverHandle) ID() string {
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return h.taskID
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}
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func (h *DriverHandle) WaitCh(ctx context.Context) (<-chan *drivers.ExitResult, error) {
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return h.driver.WaitTask(ctx, h.taskID)
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}
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func (h *DriverHandle) Update(task *structs.Task) error {
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return nil
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}
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func (h *DriverHandle) Kill() error {
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return h.driver.StopTask(h.taskID, h.task.KillTimeout, h.task.KillSignal)
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}
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func (h *DriverHandle) Stats() (*cstructs.TaskResourceUsage, error) {
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return h.driver.TaskStats(h.taskID)
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}
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func (h *DriverHandle) Signal(s string) error {
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return h.driver.SignalTask(h.taskID, s)
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}
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func (h *DriverHandle) Exec(timeout time.Duration, cmd string, args []string) ([]byte, int, error) {
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command := append([]string{cmd}, args...)
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res, err := h.driver.ExecTask(h.taskID, command, timeout)
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if err != nil {
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return nil, 0, err
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}
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return res.Stdout, res.ExitResult.ExitCode, res.ExitResult.Err
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}
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func (h *DriverHandle) Network() *cstructs.DriverNetwork {
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return h.net
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}
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