Exemplo n.º 1
0
func (s *DeployerSuite) assertRolledBack(t *c.C, deployment *ct.Deployment, processes map[string]int) {
	client := s.controllerClient(t)

	// check that we're running the old release
	release, err := client.GetAppRelease(deployment.AppID)
	t.Assert(err, c.IsNil)
	t.Assert(release.ID, c.Equals, deployment.OldReleaseID)

	// check that the old formation is the same and there's no new formation
	formation, err := client.GetFormation(deployment.AppID, deployment.OldReleaseID)
	t.Assert(err, c.IsNil)
	t.Assert(formation.Processes, c.DeepEquals, processes)
	_, err = client.GetFormation(deployment.AppID, deployment.NewReleaseID)
	t.Assert(err, c.NotNil)
}
Exemplo n.º 2
0
func (s *SchedulerSuite) TestDeployController(t *c.C) {
	// get the current controller release
	client := s.controllerClient(t)
	app, err := client.GetApp("controller")
	t.Assert(err, c.IsNil)
	release, err := client.GetAppRelease(app.ID)
	t.Assert(err, c.IsNil)

	// get the current controller formation
	formation, err := client.GetFormation(app.ID, release.ID)
	t.Assert(err, c.IsNil)

	// create a controller deployment
	release.ID = ""
	t.Assert(client.CreateRelease(release), c.IsNil)
	deployment, err := client.CreateDeployment(app.ID, release.ID)
	t.Assert(err, c.IsNil)

	events := make(chan *ct.DeploymentEvent)
	eventStream, err := client.StreamDeployment(deployment, events)
	t.Assert(err, c.IsNil)
	defer eventStream.Close()

	// wait for the deploy to complete (this doesn't wait for specific events
	// due to the fact that when the deployer deploys itself, some events will
	// not get sent)
loop:
	for {
		select {
		case e, ok := <-events:
			if !ok {
				t.Fatal("unexpected close of deployment event stream")
			}
			debugf(t, "got deployment event: %s %s", e.JobType, e.JobState)
			switch e.Status {
			case "complete":
				break loop
			case "failed":
				t.Fatal("the deployment failed")
			}
		case <-time.After(time.Duration(app.DeployTimeout) * time.Second):
			t.Fatal("timed out waiting for the deploy to complete")
		}
	}

	// check the correct controller jobs are running
	hosts, err := s.clusterClient(t).Hosts()
	t.Assert(err, c.IsNil)
	t.Assert(hosts, c.Not(c.HasLen), 0)
	actual := make(map[string]map[string]int)
	for _, h := range hosts {
		jobs, err := h.ListJobs()
		t.Assert(err, c.IsNil)
		for _, job := range jobs {
			if job.Status != host.StatusRunning {
				continue
			}
			appID := job.Job.Metadata["flynn-controller.app"]
			if appID != app.ID {
				continue
			}
			releaseID := job.Job.Metadata["flynn-controller.release"]
			if _, ok := actual[releaseID]; !ok {
				actual[releaseID] = make(map[string]int)
			}
			typ := job.Job.Metadata["flynn-controller.type"]
			actual[releaseID][typ]++
		}
	}
	expected := map[string]map[string]int{release.ID: {
		"web":       formation.Processes["web"],
		"worker":    formation.Processes["worker"],
		"scheduler": len(hosts),
	}}
	t.Assert(actual, c.DeepEquals, expected)
}
Exemplo n.º 3
0
func (s *SchedulerSuite) TestRollbackController(t *c.C) {
	// get the current controller release
	client := s.controllerClient(t)
	app, err := client.GetApp("controller")
	t.Assert(err, c.IsNil)
	release, err := client.GetAppRelease(app.ID)
	t.Assert(err, c.IsNil)

	watcher, err := s.controllerClient(t).WatchJobEvents(app.ID, release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()

	// get the current controller formation
	formation, err := client.GetFormation(app.ID, release.ID)
	t.Assert(err, c.IsNil)

	currentReleaseID := release.ID

	// create a controller deployment that will fail
	release.ID = ""
	worker := release.Processes["worker"]
	worker.Entrypoint = []string{"/i/dont/exist"}
	release.Processes["worker"] = worker
	t.Assert(client.CreateRelease(release), c.IsNil)
	deployment, err := client.CreateDeployment(app.ID, release.ID)
	t.Assert(err, c.IsNil)

	events := make(chan *ct.DeploymentEvent)
	eventStream, err := client.StreamDeployment(deployment, events)
	t.Assert(err, c.IsNil)
	defer eventStream.Close()

	// wait for the deploy to fail
loop:
	for {
		select {
		case e, ok := <-events:
			if !ok {
				t.Fatal("unexpected close of deployment event stream")
			}
			debugf(t, "got deployment event: %s %s", e.JobType, e.JobState)
			switch e.Status {
			case "complete":
				t.Fatal("the deployment succeeded when it should have failed")
			case "failed":
				break loop
			}
		case <-time.After(2 * time.Minute):
			t.Fatal("timed out waiting for the deploy to fail")
		}
	}

	// wait for jobs to come back up
	hosts, err := s.clusterClient(t).Hosts()
	expected := map[string]map[ct.JobState]int{
		"web":       {ct.JobStateUp: formation.Processes["web"]},
		"scheduler": {ct.JobStateUp: len(hosts)},
	}
	t.Assert(watcher.WaitFor(expected, scaleTimeout, nil), c.IsNil)

	// check the correct controller jobs are running
	t.Assert(err, c.IsNil)
	t.Assert(hosts, c.Not(c.HasLen), 0)
	actual := make(map[string]map[string]int)
	for _, h := range hosts {
		jobs, err := h.ListJobs()
		t.Assert(err, c.IsNil)
		for _, job := range jobs {
			if job.Status != host.StatusRunning {
				continue
			}
			appID := job.Job.Metadata["flynn-controller.app"]
			if appID != app.ID {
				continue
			}
			releaseID := job.Job.Metadata["flynn-controller.release"]
			if releaseID != currentReleaseID {
				continue
			}
			if _, ok := actual[releaseID]; !ok {
				actual[releaseID] = make(map[string]int)
			}
			typ := job.Job.Metadata["flynn-controller.type"]
			actual[releaseID][typ]++
		}
	}
	t.Assert(actual, c.DeepEquals, map[string]map[string]int{
		currentReleaseID: {
			"web":       formation.Processes["web"],
			"scheduler": formation.Processes["scheduler"] * len(hosts),
			"worker":    formation.Processes["worker"],
		},
	})
}