executor

type BasicExecutor struct {
	// contains filtered or unexported fields
}

type ExecLinuxID struct {
	Groups  *cgroupConfig.Cgroup
	Spawn   *spawn.Spawner
	TaskDir string
}

type Executor interface {
	// Limit must be called before Start and restricts the amount of resources
	// the process can use. Note that an error may be returned ONLY IF the
	// executor implements resource limiting. Otherwise Limit is ignored.
	Limit(*structs.Resources) error

	// ConfigureTaskDir must be called before Start and ensures that the tasks
	// directory is properly configured.
	ConfigureTaskDir(taskName string, alloc *allocdir.AllocDir) error

	// Start the process. This may wrap the actual process in another command,
	// depending on the capabilities in this environment. Errors that arise from
	// Limits or Runas may bubble through Start()
	Start() error

	// Open should be called to restore a previous execution. This might be needed if
	// nomad is restarted.
	Open(string) error

	// Wait waits till the user's command is completed.
	Wait() *cstructs.WaitResult

	// Returns a handle that is executor specific for use in reopening.
	ID() (string, error)

	// Shutdown should use a graceful stop mechanism so the application can
	// perform checkpointing or cleanup, if such a mechanism is available.
	// If such a mechanism is not available, Shutdown() should call ForceStop().
	Shutdown() error

	// ForceStop will terminate the process without waiting for cleanup. Every
	// implementations must provide this.
	ForceStop() error

	// Command provides access the underlying Cmd struct in case the Executor
	// interface doesn't expose the functionality you need.
	Command() *exec.Cmd
}

type LinuxExecutor struct {
	// contains filtered or unexported fields
}