Example #1
0
func (ovs *overlordSuite) TestEnsureLoopMediatedEnsureBeforeInEnsure(c *C) {
	restoreIntv := overlord.MockEnsureInterval(10 * time.Minute)
	defer restoreIntv()
	o, err := overlord.New()
	c.Assert(err, IsNil)

	ensure := func(s *state.State) error {
		s.EnsureBefore(0)
		return nil
	}

	witness := &witnessManager{
		state:          o.State(),
		expectedEnsure: 2,
		ensureCalled:   make(chan struct{}),
		ensureCallack:  ensure,
	}
	se := o.Engine()
	se.AddManager(witness)

	o.Loop()
	defer o.Stop()

	se.State().EnsureBefore(0)

	select {
	case <-witness.ensureCalled:
	case <-time.After(2 * time.Second):
		c.Fatal("Ensure calls not happening")
	}
}
Example #2
0
func (ovs *overlordSuite) TestTrivialSettle(c *C) {
	restoreIntv := overlord.MockEnsureInterval(1 * time.Minute)
	defer restoreIntv()
	o, err := overlord.New()
	c.Assert(err, IsNil)

	se := o.Engine()
	s := se.State()
	rm1 := newRunnerManager(s)
	se.AddManager(rm1)

	defer o.Engine().Stop()

	s.Lock()
	defer s.Unlock()

	chg := s.NewChange("chg", "...")
	t1 := s.NewTask("runMgr1", "1...")
	chg.AddTask(t1)

	s.Unlock()

	o.Settle()

	s.Lock()
	c.Check(t1.Status(), Equals, state.DoneStatus)

	var v int
	err = s.Get("runMgr1Mark", &v)
	c.Check(err, IsNil)
}
Example #3
0
func (ovs *overlordSuite) TestEnsureLoopRunAndStop(c *C) {
	restoreIntv := overlord.MockEnsureInterval(10 * time.Millisecond)
	defer restoreIntv()
	o, err := overlord.New()
	c.Assert(err, IsNil)

	witness := &witnessManager{
		state:          o.State(),
		expectedEnsure: 2,
		ensureCalled:   make(chan struct{}),
	}
	o.Engine().AddManager(witness)

	o.Loop()
	defer o.Stop()

	t0 := time.Now()
	select {
	case <-witness.ensureCalled:
	case <-time.After(2 * time.Second):
		c.Fatal("Ensure calls not happening")
	}
	c.Check(time.Since(t0) >= 20*time.Millisecond, Equals, true)

	err = o.Stop()
	c.Assert(err, IsNil)
}
Example #4
0
func (ovs *overlordSuite) TestSettleExplicitEnsureBefore(c *C) {
	restoreIntv := overlord.MockEnsureInterval(1 * time.Minute)
	defer restoreIntv()
	o, err := overlord.New()
	c.Assert(err, IsNil)

	se := o.Engine()
	s := se.State()
	rm1 := newRunnerManager(s)
	rm1.ensureCallback = func() {
		s.Lock()
		defer s.Unlock()
		v := 0
		s.Get("ensureCount", &v)
		s.Set("ensureCount", v+1)
	}

	se.AddManager(rm1)

	defer o.Engine().Stop()

	s.Lock()
	defer s.Unlock()

	chg := s.NewChange("chg", "...")
	t := s.NewTask("runMgrEnsureBefore", "...")
	chg.AddTask(t)
	s.Unlock()

	o.Settle()

	s.Lock()
	c.Check(t.Status(), Equals, state.DoneStatus)

	var v int
	err = s.Get("ensureCount", &v)
	c.Check(err, IsNil)
	c.Check(v, Equals, 2)
}