Exemplo n.º 1
0
func (s *stringsWorkerSuite) TestStop(c *gc.C) {
	err := worker.Stop(s.worker)
	c.Assert(err, gc.IsNil)
	// After stop, Wait should return right away
	err = waitShort(c, s.worker)
	c.Assert(err, gc.IsNil)
}
Exemplo n.º 2
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func (*runnerSuite) TestOneWorkerStartWhenStopping(c *C) {
	worker.RestartDelay = 3 * time.Second
	runner := worker.NewRunner(allFatal, noImportance)
	starter := newTestWorkerStarter()
	starter.stopWait = make(chan struct{})

	err := runner.StartWorker("id", testWorkerStart(starter))
	c.Assert(err, IsNil)
	starter.assertStarted(c, true)
	err = runner.StopWorker("id")
	c.Assert(err, IsNil)
	err = runner.StartWorker("id", testWorkerStart(starter))
	c.Assert(err, IsNil)

	close(starter.stopWait)
	starter.assertStarted(c, false)
	// Check that the task is restarted immediately without
	// the usual restart timeout delay.
	t0 := time.Now()
	starter.assertStarted(c, true)
	restartDuration := time.Since(t0)
	if restartDuration > 1*time.Second {
		c.Fatalf("task did not restart immediately")
	}
	c.Assert(worker.Stop(runner), IsNil)
}
Exemplo n.º 3
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func (s *MachinerSuite) TestSetDead(c *C) {
	mr := machiner.NewMachiner(s.machinerState, s.machine.Tag())
	defer worker.Stop(mr)
	c.Assert(s.machine.Destroy(), IsNil)
	s.State.StartSync()
	c.Assert(mr.Wait(), Equals, worker.ErrTerminateAgent)
	c.Assert(s.machine.Refresh(), IsNil)
	c.Assert(s.machine.Life(), Equals, state.Dead)
}
Exemplo n.º 4
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func (*runnerSuite) TestOneWorkerStart(c *C) {
	runner := worker.NewRunner(noneFatal, noImportance)
	starter := newTestWorkerStarter()
	err := runner.StartWorker("id", testWorkerStart(starter))
	c.Assert(err, IsNil)
	starter.assertStarted(c, true)

	c.Assert(worker.Stop(runner), IsNil)
	starter.assertStarted(c, false)
}
Exemplo n.º 5
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func (s *MachinerSuite) TestStartSetsStatus(c *C) {
	status, info, err := s.machine.Status()
	c.Assert(err, IsNil)
	c.Assert(status, Equals, params.StatusPending)
	c.Assert(info, Equals, "")

	mr := machiner.NewMachiner(s.machinerState, s.apiMachine.Tag())
	defer worker.Stop(mr)

	s.waitMachineStatus(c, s.machine, params.StatusStarted)
}
Exemplo n.º 6
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// During teardown we try to stop the worker, but don't hang the test suite if
// Stop never returns
func (s *stringsWorkerSuite) stopWorker(c *gc.C) {
	if s.worker == nil {
		return
	}
	done := make(chan error)
	go func() {
		done <- worker.Stop(s.worker)
	}()
	err := waitForTimeout(c, done, coretesting.LongWait)
	c.Check(err, gc.IsNil)
	s.actor = nil
	s.worker = nil
}
Exemplo n.º 7
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func (s *stringsWorkerSuite) TestChangesTriggerHandler(c *gc.C) {
	s.actor.CheckActions(c, "setup")
	s.actor.watcher.TriggerChange(c, []string{"aa", "bb"})
	waitForHandledStrings(c, s.actor.handled, []string{"aa", "bb"})
	s.actor.CheckActions(c, "setup", "handler")
	s.actor.watcher.TriggerChange(c, []string{"cc", "dd"})
	waitForHandledStrings(c, s.actor.handled, []string{"cc", "dd"})
	s.actor.watcher.TriggerChange(c, []string{"ee", "ff"})
	waitForHandledStrings(c, s.actor.handled, []string{"ee", "ff"})
	s.actor.CheckActions(c, "setup", "handler", "handler", "handler")
	c.Assert(worker.Stop(s.worker), gc.IsNil)
	s.actor.CheckActions(c, "setup", "handler", "handler", "handler", "teardown")
}
Exemplo n.º 8
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func (s *notifyWorkerSuite) TestChangesTriggerHandler(c *gc.C) {
	s.actor.CheckActions(c, "setup")
	s.actor.watcher.TriggerChange(c)
	waitForHandledNotify(c, s.actor.handled)
	s.actor.CheckActions(c, "setup", "handler")
	s.actor.watcher.TriggerChange(c)
	waitForHandledNotify(c, s.actor.handled)
	s.actor.watcher.TriggerChange(c)
	waitForHandledNotify(c, s.actor.handled)
	s.actor.CheckActions(c, "setup", "handler", "handler", "handler")
	c.Assert(worker.Stop(s.worker), gc.IsNil)
	s.actor.CheckActions(c, "setup", "handler", "handler", "handler", "teardown")
}
Exemplo n.º 9
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func (s *CleanerSuite) TestCleaner(c *C) {
	cr := cleaner.NewCleaner(s.State)
	defer func() { c.Assert(worker.Stop(cr), IsNil) }()

	needed, err := s.State.NeedsCleanup()
	c.Assert(err, IsNil)
	c.Assert(needed, Equals, false)

	_, err = s.State.AddService("wordpress", s.AddTestingCharm(c, "wordpress"))
	c.Assert(err, IsNil)
	_, err = s.State.AddService("mysql", s.AddTestingCharm(c, "mysql"))
	c.Assert(err, IsNil)
	eps, err := s.State.InferEndpoints([]string{"wordpress", "mysql"})
	c.Assert(err, IsNil)
	relM, err := s.State.AddRelation(eps...)
	c.Assert(err, IsNil)

	needed, err = s.State.NeedsCleanup()
	c.Assert(err, IsNil)
	c.Assert(needed, Equals, false)

	// Observe destroying of the relation with a watcher.
	cw := s.State.WatchCleanups()
	defer func() { c.Assert(cw.Stop(), IsNil) }()

	err = relM.Destroy()
	c.Assert(err, IsNil)

	timeout := time.After(coretesting.LongWait)
	for {
		s.State.StartSync()
		select {
		case <-time.After(coretesting.ShortWait):
			continue
		case <-timeout:
			c.Fatalf("timed out waiting for cleanup")
		case <-cw.Changes():
			needed, err = s.State.NeedsCleanup()
			c.Assert(err, IsNil)
			if needed {
				continue
			}
		}
		break
	}
}
Exemplo n.º 10
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func (*runnerSuite) TestOneWorkerRestart(c *C) {
	runner := worker.NewRunner(noneFatal, noImportance)
	starter := newTestWorkerStarter()
	err := runner.StartWorker("id", testWorkerStart(starter))
	c.Assert(err, IsNil)
	starter.assertStarted(c, true)

	// Check it restarts a few times time.
	for i := 0; i < 3; i++ {
		starter.die <- fmt.Errorf("an error")
		starter.assertStarted(c, false)
		starter.assertStarted(c, true)
	}

	c.Assert(worker.Stop(runner), IsNil)
	starter.assertStarted(c, false)
}
Exemplo n.º 11
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func (s *minUnitsWorkerSuite) TestMinUnitsWorker(c *gc.C) {
	mu := minunitsworker.NewMinUnitsWorker(s.State)
	defer func() { c.Assert(worker.Stop(mu), gc.IsNil) }()

	// Set up services and units for later use.
	wordpress, err := s.State.AddService("wordpress", s.AddTestingCharm(c, "wordpress"))
	c.Assert(err, gc.IsNil)
	mysql, err := s.State.AddService("mysql", s.AddTestingCharm(c, "mysql"))
	c.Assert(err, gc.IsNil)
	unit, err := wordpress.AddUnit()
	c.Assert(err, gc.IsNil)
	_, err = wordpress.AddUnit()
	c.Assert(err, gc.IsNil)

	// Set up minimum units for services.
	err = wordpress.SetMinUnits(3)
	c.Assert(err, gc.IsNil)
	err = mysql.SetMinUnits(2)
	c.Assert(err, gc.IsNil)

	// Remove a unit for a service.
	err = unit.Destroy()
	c.Assert(err, gc.IsNil)

	timeout := time.After(coretesting.LongWait)
	for {
		s.State.StartSync()
		select {
		case <-time.After(coretesting.ShortWait):
			wordpressUnits, err := wordpress.AllUnits()
			c.Assert(err, gc.IsNil)
			mysqlUnits, err := mysql.AllUnits()
			c.Assert(err, gc.IsNil)
			wordpressCount := len(wordpressUnits)
			mysqlCount := len(mysqlUnits)
			if wordpressCount == 3 && mysqlCount == 2 {
				return
			}
			logger.Infof("wordpress units: %d; mysql units: %d", wordpressCount, mysqlCount)
		case <-timeout:
			c.Fatalf("timed out waiting for minunits events")
		}
	}
}
Exemplo n.º 12
0
func (s *MachinerSuite) TestRunStop(c *C) {
	mr := machiner.NewMachiner(s.machinerState, s.apiMachine.Tag())
	c.Assert(worker.Stop(mr), IsNil)
	c.Assert(s.apiMachine.Refresh(), IsNil)
	c.Assert(s.apiMachine.Life(), Equals, params.Alive)
}
Exemplo n.º 13
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func (s *MachinerSuite) TestSetsStatusWhenDying(c *C) {
	mr := machiner.NewMachiner(s.machinerState, s.apiMachine.Tag())
	defer worker.Stop(mr)
	c.Assert(s.machine.Destroy(), IsNil)
	s.waitMachineStatus(c, s.machine, params.StatusStopped)
}
Exemplo n.º 14
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func (*runnerSuite) TestStopWorkerWhenDead(c *C) {
	runner := worker.NewRunner(allFatal, noImportance)
	c.Assert(worker.Stop(runner), IsNil)
	c.Assert(runner.StopWorker("foo"), Equals, worker.ErrDead)
}