59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package qemu
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import (
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"sync"
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"time"
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"github.com/hashicorp/go-hclog"
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"github.com/hashicorp/go-plugin"
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"github.com/hashicorp/nomad/client/driver/executor"
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"github.com/hashicorp/nomad/plugins/drivers"
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)
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type qemuTaskHandle struct {
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exec executor.Executor
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pid int
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pluginClient *plugin.Client
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logger hclog.Logger
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monitorPath string
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// stateLock syncs access to all fields below
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stateLock sync.RWMutex
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taskConfig *drivers.TaskConfig
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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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}
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func (h *qemuTaskHandle) IsRunning() bool {
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return h.procState == drivers.TaskStateRunning
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}
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func (h *qemuTaskHandle) run() {
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// since run is called immediately after the handle is created this
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// ensures the exitResult is initialized so we avoid a nil pointer
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// thus it does not need to be included in the lock
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if h.exitResult == nil {
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h.exitResult = &drivers.ExitResult{}
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}
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ps, err := h.exec.Wait()
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h.stateLock.Lock()
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defer h.stateLock.Unlock()
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if err != nil {
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h.exitResult.Err = err
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h.procState = drivers.TaskStateUnknown
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h.completedAt = time.Now()
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return
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}
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h.procState = drivers.TaskStateExited
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h.exitResult.ExitCode = ps.ExitCode
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h.exitResult.Signal = ps.Signal
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h.completedAt = ps.Time
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// TODO: detect if the taskConfig OOMed
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}
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