7131ac3eef
Extract command parsing and execution mocking into a separate struct. Also, allow mocking of different fs_isolation for testing.
99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
package mock
|
|
|
|
import (
|
|
"context"
|
|
"sync"
|
|
"time"
|
|
|
|
hclog "github.com/hashicorp/go-hclog"
|
|
"github.com/hashicorp/nomad/client/lib/fifo"
|
|
"github.com/hashicorp/nomad/plugins/drivers"
|
|
)
|
|
|
|
// taskHandle supervises a mock task
|
|
type taskHandle struct {
|
|
logger hclog.Logger
|
|
|
|
pluginExitAfter time.Duration
|
|
killAfter time.Duration
|
|
waitCh chan interface{}
|
|
|
|
taskConfig *drivers.TaskConfig
|
|
command Command
|
|
execCommand *Command
|
|
|
|
// stateLock guards the procState field
|
|
stateLock sync.RWMutex
|
|
procState drivers.TaskState
|
|
|
|
startedAt time.Time
|
|
completedAt time.Time
|
|
exitResult *drivers.ExitResult
|
|
|
|
// Calling kill closes killCh if it is not already closed
|
|
kill context.CancelFunc
|
|
killCh <-chan struct{}
|
|
|
|
// Recovered is set to true if the handle was created while being recovered
|
|
Recovered bool
|
|
}
|
|
|
|
func (h *taskHandle) TaskStatus() *drivers.TaskStatus {
|
|
h.stateLock.RLock()
|
|
defer h.stateLock.RUnlock()
|
|
|
|
return &drivers.TaskStatus{
|
|
ID: h.taskConfig.ID,
|
|
Name: h.taskConfig.Name,
|
|
State: h.procState,
|
|
StartedAt: h.startedAt,
|
|
CompletedAt: h.completedAt,
|
|
ExitResult: h.exitResult,
|
|
DriverAttributes: map[string]string{},
|
|
}
|
|
}
|
|
|
|
func (h *taskHandle) IsRunning() bool {
|
|
h.stateLock.Lock()
|
|
defer h.stateLock.Unlock()
|
|
return h.procState == drivers.TaskStateRunning
|
|
}
|
|
|
|
func (h *taskHandle) run() {
|
|
defer func() {
|
|
h.stateLock.Lock()
|
|
h.procState = drivers.TaskStateExited
|
|
h.stateLock.Unlock()
|
|
|
|
h.completedAt = time.Now()
|
|
close(h.waitCh)
|
|
}()
|
|
|
|
h.stateLock.Lock()
|
|
h.procState = drivers.TaskStateRunning
|
|
h.stateLock.Unlock()
|
|
|
|
var pluginExitTimer <-chan time.Time
|
|
if h.pluginExitAfter != 0 {
|
|
timer := time.NewTimer(h.pluginExitAfter)
|
|
defer timer.Stop()
|
|
pluginExitTimer = timer.C
|
|
}
|
|
|
|
stdout, err := fifo.OpenWriter(h.taskConfig.StdoutPath)
|
|
if err != nil {
|
|
h.logger.Error("failed to write to stdout", "error", err)
|
|
h.exitResult = &drivers.ExitResult{Err: err}
|
|
return
|
|
}
|
|
stderr, err := fifo.OpenWriter(h.taskConfig.StderrPath)
|
|
if err != nil {
|
|
h.logger.Error("failed to write to stderr", "error", err)
|
|
h.exitResult = &drivers.ExitResult{Err: err}
|
|
return
|
|
}
|
|
|
|
h.exitResult = runCommand(h.command, stdout, stderr, h.killCh, pluginExitTimer, h.logger)
|
|
return
|
|
}
|