99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
package mock
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import (
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"context"
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"sync"
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"time"
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hclog "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/nomad/client/lib/fifo"
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"github.com/hashicorp/nomad/plugins/drivers"
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)
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// taskHandle supervises a mock task
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type taskHandle struct {
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logger hclog.Logger
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pluginExitAfter time.Duration
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killAfter time.Duration
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waitCh chan interface{}
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taskConfig *drivers.TaskConfig
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command Command
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execCommand *Command
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// stateLock guards the procState field
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stateLock sync.RWMutex
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procState drivers.TaskState
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startedAt time.Time
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completedAt time.Time
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exitResult *drivers.ExitResult
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// Calling kill closes killCh if it is not already closed
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kill context.CancelFunc
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killCh <-chan struct{}
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// Recovered is set to true if the handle was created while being recovered
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Recovered bool
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}
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func (h *taskHandle) TaskStatus() *drivers.TaskStatus {
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h.stateLock.RLock()
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defer h.stateLock.RUnlock()
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return &drivers.TaskStatus{
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ID: h.taskConfig.ID,
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Name: h.taskConfig.Name,
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State: h.procState,
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StartedAt: h.startedAt,
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CompletedAt: h.completedAt,
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ExitResult: h.exitResult,
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DriverAttributes: map[string]string{},
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}
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}
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func (h *taskHandle) IsRunning() bool {
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h.stateLock.Lock()
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defer h.stateLock.Unlock()
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return h.procState == drivers.TaskStateRunning
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}
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func (h *taskHandle) run() {
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defer func() {
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h.stateLock.Lock()
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h.procState = drivers.TaskStateExited
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h.stateLock.Unlock()
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h.completedAt = time.Now()
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close(h.waitCh)
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}()
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h.stateLock.Lock()
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h.procState = drivers.TaskStateRunning
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h.stateLock.Unlock()
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var pluginExitTimer <-chan time.Time
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if h.pluginExitAfter != 0 {
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timer := time.NewTimer(h.pluginExitAfter)
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defer timer.Stop()
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pluginExitTimer = timer.C
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}
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stdout, err := fifo.OpenWriter(h.taskConfig.StdoutPath)
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if err != nil {
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h.logger.Error("failed to write to stdout", "error", err)
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h.exitResult = &drivers.ExitResult{Err: err}
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return
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}
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stderr, err := fifo.OpenWriter(h.taskConfig.StderrPath)
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if err != nil {
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h.logger.Error("failed to write to stderr", "error", err)
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h.exitResult = &drivers.ExitResult{Err: err}
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return
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}
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h.exitResult = runCommand(h.command, stdout, stderr, h.killCh, pluginExitTimer, h.logger)
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return
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}
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