func (*RestartWorkersSuite) TestSingularManagerRestart(c *gc.C) {
fix := BasicFixture()
fix.SW_errors = []error{errors.New("oof"), nil}
fix.RunRestart(c, func(ctx Context, rw *workers.RestartWorkers) {
origw := rw.SingularManager()
w := NextWorker(c, ctx.SWs())
c.Assert(w, gc.NotNil)
AssertWorker(c, rw.SingularManager(), w)
w.Kill()
clock := ctx.Clock()
WaitAlarms(c, clock, 1)
clock.Advance(fiveSeconds)
w2 := NextWorker(c, ctx.SWs())
c.Assert(w, gc.NotNil)
WaitWorker(c, SM_getter(rw), w2)
// The new worker should underlie the originally
// acquired singular manager, so that restarts
// do not require callers to acquire a new manager
AssertWorker(c, origw, w2)
workertest.CleanKill(c, rw)
})
}
func (s *machineSuite) TestNoPollWhenNotProvisioned(c *gc.C) {
s.PatchValue(&ShortPoll, 1*time.Millisecond)
s.PatchValue(&LongPoll, coretesting.LongWait)
polled := make(chan struct{}, 1)
getInstanceInfo := func(id instance.Id) (instanceInfo, error) {
select {
case polled <- struct{}{}:
default:
}
return instanceInfo{testAddrs, instance.InstanceStatus{Status: status.Unknown, Message: "pending"}}, nil
}
context := &testMachineContext{
getInstanceInfo: getInstanceInfo,
dyingc: make(chan struct{}),
}
m := &testMachine{
tag: names.NewMachineTag("99"),
instanceId: instance.Id(""),
refresh: func() error { return nil },
addresses: testAddrs,
life: params.Alive,
status: "pending",
}
died := make(chan machine)
clock := gitjujutesting.NewClock(time.Time{})
changed := make(chan struct{})
go runMachine(context, m, changed, died, clock)
expectPoll := func() {
// worker should be waiting for ShortPoll
select {
case <-clock.Alarms():
case <-time.After(coretesting.LongWait):
c.Fatalf("expected time-based polling")
}
clock.Advance(ShortPoll)
}
expectPoll()
expectPoll()
select {
case <-polled:
c.Fatalf("unexpected instance poll")
case <-time.After(coretesting.ShortWait):
}
m.setInstanceId("inst-ance")
expectPoll()
select {
case <-polled:
case <-time.After(coretesting.LongWait):
c.Fatalf("expected instance poll")
}
killMachineLoop(c, m, context.dyingc, died)
c.Assert(context.killErr, gc.Equals, nil)
}
func (*RestartWorkersSuite) TestLeadershipManagerDelay(c *gc.C) {
fix := BasicFixture()
fix.LW_errors = []error{errors.New("oof")}
fix.RunRestart(c, func(ctx Context, rw *workers.RestartWorkers) {
w := NextWorker(c, ctx.LWs())
c.Assert(w, gc.NotNil)
AssertWorker(c, rw.LeadershipManager(), w)
w.Kill()
clock := ctx.Clock()
WaitAlarms(c, clock, 1)
clock.Advance(almostFiveSeconds)
AssertWorker(c, rw.LeadershipManager(), w)
err := workertest.CheckKill(c, rw)
c.Check(err, gc.ErrorMatches, "error stopping leadership lease manager: oof")
})
}
func (*RestartWorkersSuite) TestPresenceWatcherRestart(c *gc.C) {
fix := BasicFixture()
fix.PW_errors = []error{errors.New("oof"), nil}
fix.RunRestart(c, func(ctx Context, rw *workers.RestartWorkers) {
w := NextWorker(c, ctx.PWs())
c.Assert(w, gc.NotNil)
AssertWorker(c, rw.PresenceWatcher(), w)
w.Kill()
clock := ctx.Clock()
WaitAlarms(c, clock, 1)
clock.Advance(fiveSeconds)
w2 := NextWorker(c, ctx.PWs())
c.Assert(w, gc.NotNil)
WaitWorker(c, PW_getter(rw), w2)
workertest.CleanKill(c, rw)
})
}