// Describe returns the description of a build
func (d *BuildDescriber) Describe(namespace, name string) (string, error) {
	c := d.osClient.Builds(namespace)
	build, err := c.Get(name)
	if err != nil {
		return "", err
	}
	events, _ := d.kubeClient.Events(namespace).Search(build)
	if events == nil {
		events = &kapi.EventList{}
	}
	// get also pod events and merge it all into one list for describe
	if pod, err := d.kubeClient.Pods(namespace).Get(buildutil.GetBuildPodName(build)); err == nil {
		if podEvents, _ := d.kubeClient.Events(namespace).Search(pod); podEvents != nil {
			events.Items = append(events.Items, podEvents.Items...)
		}
	}
	return tabbedString(func(out *tabwriter.Writer) error {
		formatMeta(out, build.ObjectMeta)

		fmt.Fprintln(out, "")

		status := bold(build.Status.Phase)
		if build.Status.Message != "" {
			status += " (" + build.Status.Message + ")"
		}
		formatString(out, "Status", status)

		if build.Status.StartTimestamp != nil && !build.Status.StartTimestamp.IsZero() {
			formatString(out, "Started", build.Status.StartTimestamp.Time.Format(time.RFC1123))
		}

		// Create the time object with second-level precision so we don't get
		// output like "duration: 1.2724395728934s"
		formatString(out, "Duration", describeBuildDuration(build))

		if build.Status.Config != nil {
			formatString(out, "Build Config", build.Status.Config.Name)
		}
		formatString(out, "Build Pod", buildutil.GetBuildPodName(build))

		describeBuildSpec(build.Spec, out)

		fmt.Fprintln(out, "")
		kctl.DescribeEvents(events, out)

		return nil
	})
}

// SelectableFields returns a label set that represents the object
func SelectableFields(build *api.Build) fields.Set {
	return fields.Set{
		"metadata.name": build.Name,
		"status":        string(build.Status.Phase),
		"podName":       buildutil.GetBuildPodName(build),
	}
}

// Get returns a streamer resource with the contents of the build log
func (r *REST) Get(ctx kapi.Context, name string, opts runtime.Object) (runtime.Object, error) {
	buildLogOpts, ok := opts.(*api.BuildLogOptions)
	if !ok {
		return nil, errors.NewBadRequest("did not get an expected options.")
	}
	obj, err := r.Getter.Get(ctx, name)
	if err != nil {
		return nil, err
	}
	build := obj.(*api.Build)
	switch build.Status.Phase {
	// Build has not launched, wait til it runs
	case api.BuildPhaseNew, api.BuildPhasePending:
		if buildLogOpts.NoWait {
			glog.V(4).Infof("Build %s/%s is in %s state. No logs to retrieve yet.", build.Namespace, name, build.Status.Phase)
			// return empty content if not waiting for build
			return &genericrest.LocationStreamer{}, nil
		}
		glog.V(4).Infof("Build %s/%s is in %s state, waiting for Build to start", build.Namespace, name, build.Status.Phase)
		latest, ok, err := registry.WaitForRunningBuild(r.Watcher, ctx, build, r.Timeout)
		if err != nil {
			return nil, errors.NewBadRequest(fmt.Sprintf("unable to wait for build %s to run: %v", name, err))
		}
		switch latest.Status.Phase {
		case api.BuildPhaseError:
			return nil, errors.NewBadRequest(fmt.Sprintf("build %s encountered an error: %s", name, buildutil.NoBuildLogsMessage))
		case api.BuildPhaseCancelled:
			return nil, errors.NewBadRequest(fmt.Sprintf("build %s was cancelled: %s", name, buildutil.NoBuildLogsMessage))
		}
		if !ok {
			return nil, errors.NewTimeoutError(fmt.Sprintf("timed out waiting for build %s to start after %s", build.Name, r.Timeout), 1)
		}

	// The build was cancelled
	case api.BuildPhaseCancelled:
		return nil, errors.NewBadRequest(fmt.Sprintf("build %s was cancelled. %s", name, buildutil.NoBuildLogsMessage))

	// An error occurred launching the build, return an error
	case api.BuildPhaseError:
		return nil, errors.NewBadRequest(fmt.Sprintf("build %s is in an error state. %s", name, buildutil.NoBuildLogsMessage))
	}
	// The container should be the default build container, so setting it to blank
	buildPodName := buildutil.GetBuildPodName(build)
	logOpts := &kapi.PodLogOptions{
		Follow: buildLogOpts.Follow,
	}
	location, transport, err := pod.LogLocation(r.PodGetter, r.ConnectionInfo, ctx, buildPodName, logOpts)
	if err != nil {
		if errors.IsNotFound(err) {
			return nil, errors.NewNotFound("pod", buildPodName)
		}
		return nil, errors.NewBadRequest(err.Error())
	}
	return &genericrest.LocationStreamer{
		Location:    location,
		Transport:   transport,
		ContentType: "text/plain",
		Flush:       buildLogOpts.Follow,
	}, nil
}

func (bs *SourceBuildStrategy) canRunAsRoot(build *buildapi.Build) bool {
	var rootUser int64
	rootUser = 0
	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name:      buildutil.GetBuildPodName(build),
			Namespace: build.Namespace,
		},
		Spec: kapi.PodSpec{
			ServiceAccountName: build.Spec.ServiceAccount,
			Containers: []kapi.Container{
				{
					Name:  "sti-build",
					Image: bs.Image,
					SecurityContext: &kapi.SecurityContext{
						RunAsUser: &rootUser,
					},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	userInfo := serviceaccount.UserInfo(build.Namespace, build.Spec.ServiceAccount, "")
	attrs := admission.NewAttributesRecord(pod, "Pod", pod.Namespace, pod.Name, "pods", "", admission.Create, userInfo)
	err := bs.AdmissionControl.Admit(attrs)
	if err != nil {
		glog.V(2).Infof("Admit for root user returned error: %v", err)
	}
	return err == nil
}

func TestSetupBuildEnvFails(t *testing.T) {
	build := mockCustomBuild()
	containerEnv := []kapi.EnvVar{
		{Name: "BUILD", Value: ""},
		{Name: "SOURCE_REPOSITORY", Value: build.Parameters.Source.Git.URI},
	}
	privileged := true
	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name: buildutil.GetBuildPodName(build),
		},
		Spec: kapi.PodSpec{
			Containers: []kapi.Container{
				{
					Name:  "custom-build",
					Image: build.Parameters.Strategy.CustomStrategy.From.Name,
					Env:   containerEnv,
					// TODO: run unprivileged https://github.com/openshift/origin/issues/662
					SecurityContext: &kapi.SecurityContext{
						Privileged: &privileged,
					},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	if err := setupBuildEnv(build, pod); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	build.Parameters.Output.DockerImageReference = ""
	if err := setupBuildEnv(build, pod); err == nil {
		t.Errorf("unexpected non-error: %v", err)
	}
}

// CancelBuild updates a build status to Cancelled, after its associated pod is deleted.
func (bc *BuildController) CancelBuild(build *buildapi.Build) error {
	if !isBuildCancellable(build) {
		glog.V(4).Infof("Build %s/%s can be cancelled only if it has pending/running status, not %s.", build.Namespace, build.Name, build.Status.Phase)
		return nil
	}

	glog.V(4).Infof("Cancelling Build %s/%s.", build.Namespace, build.Name)

	pod, err := bc.PodManager.GetPod(build.Namespace, buildutil.GetBuildPodName(build))
	if err != nil {
		if !errors.IsNotFound(err) {
			return fmt.Errorf("Failed to get Pod for build %s/%s: %v", build.Namespace, build.Name, err)
		}
	} else {
		err := bc.PodManager.DeletePod(build.Namespace, pod)
		if err != nil && !errors.IsNotFound(err) {
			return fmt.Errorf("Couldn't delete Build Pod %s/%s: %v", build.Namespace, pod.Name, err)
		}
	}

	build.Status.Phase = buildapi.BuildPhaseCancelled
	now := util.Now()
	build.Status.CompletionTimestamp = &now
	if err := bc.BuildUpdater.Update(build.Namespace, build); err != nil {
		return fmt.Errorf("Failed to update Build %s/%s: %v", build.Namespace, build.Name, err)
	}

	glog.V(4).Infof("Build %s/%s was successfully cancelled.", build.Namespace, build.Name)
	return nil
}

// CreateBuildPod creates the pod to be used for the Docker build
// TODO: Make the Pod definition configurable
func (bs *DockerBuildStrategy) CreateBuildPod(build *buildapi.Build) (*kapi.Pod, error) {
	data, err := bs.Codec.Encode(build)
	if err != nil {
		return nil, fmt.Errorf("failed to encode the build: %v", err)
	}

	privileged := true
	strategy := build.Spec.Strategy.DockerStrategy

	containerEnv := []kapi.EnvVar{
		{Name: "BUILD", Value: string(data)},
		{Name: "BUILD_LOGLEVEL", Value: fmt.Sprintf("%d", cmdutil.GetLogLevel())},
	}

	addSourceEnvVars(build.Spec.Source, &containerEnv)

	if len(strategy.Env) > 0 {
		mergeTrustedEnvWithoutDuplicates(strategy.Env, &containerEnv)
	}

	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name:      buildutil.GetBuildPodName(build),
			Namespace: build.Namespace,
			Labels:    getPodLabels(build),
		},
		Spec: kapi.PodSpec{
			ServiceAccountName: build.Spec.ServiceAccount,
			Containers: []kapi.Container{
				{
					Name:  "docker-build",
					Image: bs.Image,
					Env:   containerEnv,
					Args:  []string{"--loglevel=" + getContainerVerbosity(containerEnv)},
					// TODO: run unprivileged https://github.com/openshift/origin/issues/662
					SecurityContext: &kapi.SecurityContext{
						Privileged: &privileged,
					},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	pod.Spec.Containers[0].ImagePullPolicy = kapi.PullIfNotPresent
	pod.Spec.Containers[0].Resources = build.Spec.Resources

	if build.Spec.CompletionDeadlineSeconds != nil {
		pod.Spec.ActiveDeadlineSeconds = build.Spec.CompletionDeadlineSeconds
	}
	if build.Spec.Source.Binary != nil {
		pod.Spec.Containers[0].Stdin = true
		pod.Spec.Containers[0].StdinOnce = true
	}

	setupDockerSocket(pod)
	setupDockerSecrets(pod, build.Spec.Output.PushSecret, strategy.PullSecret)
	setupSourceSecrets(pod, build.Spec.Source.SourceSecret)
	return pod, nil
}

// List lists all Pods associated with a Build.
func (lw *buildPodDeleteLW) List() (runtime.Object, error) {
	glog.V(5).Info("Checking for deleted build pods")
	buildList, err := lw.Client.Builds(kapi.NamespaceAll).List(labels.Everything(), fields.Everything())
	if err != nil {
		glog.V(4).Infof("Failed to find any builds due to error %v", err)
		return nil, err
	}
	for _, build := range buildList.Items {
		glog.V(5).Infof("Found build %s/%s", build.Namespace, build.Name)
		if buildutil.IsBuildComplete(&build) {
			glog.V(5).Infof("Ignoring build %s/%s because it is complete", build.Namespace, build.Name)
			continue
		}
		pod, err := lw.KubeClient.Pods(build.Namespace).Get(buildutil.GetBuildPodName(&build))
		if err != nil {
			if !kerrors.IsNotFound(err) {
				glog.V(4).Infof("Error getting pod for build %s/%s: %v", build.Namespace, build.Name, err)
				return nil, err
			} else {
				pod = nil
			}
		} else {
			if buildName, _ := buildutil.GetBuildLabel(pod); buildName != build.Name {
				pod = nil
			}
		}
		if pod == nil {
			deletedPod := &kapi.Pod{
				ObjectMeta: kapi.ObjectMeta{
					Name:      buildutil.GetBuildPodName(&build),
					Namespace: build.Namespace,
				},
			}
			glog.V(4).Infof("No build pod found for build %s/%s, sending delete event for build pod", build.Namespace, build.Name)
			err := lw.store.Delete(deletedPod)
			if err != nil {
				glog.V(4).Infof("Error queuing delete event: %v", err)
			}
		} else {
			glog.V(5).Infof("Found build pod %s/%s for build %s", pod.Namespace, pod.Name, build.Name)
		}
	}
	return &kapi.PodList{}, nil
}

// CreateBuildPod creates a pod that will execute the STI build
// TODO: Make the Pod definition configurable
func (bs *SourceBuildStrategy) CreateBuildPod(build *buildapi.Build) (*kapi.Pod, error) {
	data, err := bs.Codec.Encode(build)
	if err != nil {
		return nil, fmt.Errorf("failed to encode the Build %s/%s: %v", build.Namespace, build.Name, err)
	}

	containerEnv := []kapi.EnvVar{
		{Name: "BUILD", Value: string(data)},
		{Name: "BUILD_LOGLEVEL", Value: fmt.Sprintf("%d", cmdutil.GetLogLevel())},
	}

	addSourceEnvVars(build.Spec.Source, &containerEnv)

	strategy := build.Spec.Strategy.SourceStrategy
	if len(strategy.Env) > 0 {
		mergeTrustedEnvWithoutDuplicates(strategy.Env, &containerEnv)
	}

	// check if can run container as root
	if !bs.canRunAsRoot(build) {
		containerEnv = append(containerEnv, kapi.EnvVar{Name: "ALLOWED_UIDS", Value: "1-"})
	}

	privileged := true
	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name:      buildutil.GetBuildPodName(build),
			Namespace: build.Namespace,
			Labels:    getPodLabels(build),
		},
		Spec: kapi.PodSpec{
			ServiceAccountName: build.Spec.ServiceAccount,
			Containers: []kapi.Container{
				{
					Name:  "sti-build",
					Image: bs.Image,
					Env:   containerEnv,
					// TODO: run unprivileged https://github.com/openshift/origin/issues/662
					SecurityContext: &kapi.SecurityContext{
						Privileged: &privileged,
					},
					Args: []string{"--loglevel=" + getContainerVerbosity(containerEnv)},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	pod.Spec.Containers[0].ImagePullPolicy = kapi.PullIfNotPresent
	pod.Spec.Containers[0].Resources = build.Spec.Resources

	setupDockerSocket(pod)
	setupDockerSecrets(pod, build.Spec.Output.PushSecret, strategy.PullSecret)
	setupSourceSecrets(pod, build.Spec.Source.SourceSecret)
	return pod, nil
}

func runBuildRunningPodDeleteTest(t *testing.T, clusterAdminClient *client.Client, clusterAdminKubeClient *kclient.Client) {

	buildWatch, err := clusterAdminClient.Builds(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Couldn't subscribe to Builds %v", err)
	}
	defer buildWatch.Stop()

	created, err := clusterAdminClient.Builds(testutil.Namespace()).Create(mockBuild())
	if err != nil {
		t.Fatalf("Couldn't create Build: %v", err)
	}

	podWatch, err := clusterAdminKubeClient.Pods(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), created.ResourceVersion)
	if err != nil {
		t.Fatalf("Couldn't subscribe to Pods %v", err)
	}
	defer podWatch.Stop()

	// wait for initial build event from the creation of the imagerepo with tag latest
	event := waitForWatch(t, "initial build added", buildWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild := event.Object.(*buildapi.Build)

	// initial pod creation for build
	event = waitForWatch(t, "build pod created", podWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	event = waitForWatch(t, "build updated to pending", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status.Phase != buildapi.BuildPhasePending {
		t.Fatalf("expected build status to be marked pending, but was marked %s", newBuild.Status.Phase)
	}

	clusterAdminKubeClient.Pods(testutil.Namespace()).Delete(buildutil.GetBuildPodName(newBuild), kapi.NewDeleteOptions(0))
	event = waitForWatch(t, "build updated to error", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status.Phase != buildapi.BuildPhaseError {
		t.Fatalf("expected build status to be marked error, but was marked %s", newBuild.Status.Phase)
	}
}

func runBuildPodAdmissionTest(t *testing.T, client *client.Client, kclient *kclient.Client, build *buildapi.Build) (*buildapi.Build, *kapi.Pod) {

	ns := testutil.Namespace()
	_, err := client.Builds(ns).Create(build)
	if err != nil {
		t.Fatalf("%v", err)
	}

	watchOpt := kapi.ListOptions{
		FieldSelector: fields.OneTermEqualSelector(
			"metadata.name",
			buildutil.GetBuildPodName(build),
		),
	}
	podWatch, err := kclient.Pods(ns).Watch(watchOpt)
	if err != nil {
		t.Fatalf("%v", err)
	}
	type resultObjs struct {
		build *buildapi.Build
		pod   *kapi.Pod
	}
	result := make(chan resultObjs)
	defer podWatch.Stop()
	go func() {
		for e := range podWatch.ResultChan() {
			if e.Type == watchapi.Added {
				pod, ok := e.Object.(*kapi.Pod)
				if !ok {
					t.Fatalf("unexpected object: %v", e.Object)
				}
				build := (*buildtestutil.TestPod)(pod).GetBuild(t)
				result <- resultObjs{build: build, pod: pod}
			}
		}
	}()

	select {
	case <-time.After(buildPodAdmissionTestTimeout):
		t.Fatalf("timed out after %v", buildPodAdmissionTestTimeout)
	case objs := <-result:
		return objs.build, objs.pod
	}
	return nil, nil
}

func runBuildDeleteTest(t *testing.T, clusterAdminClient *client.Client, clusterAdminKubeClient *kclient.Client) {

	buildWatch, err := clusterAdminClient.Builds(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Couldn't subscribe to Builds %v", err)
	}
	defer buildWatch.Stop()

	created, err := clusterAdminClient.Builds(testutil.Namespace()).Create(mockBuild())
	if err != nil {
		t.Fatalf("Couldn't create Build: %v", err)
	}

	podWatch, err := clusterAdminKubeClient.Pods(testutil.Namespace()).Watch(labels.Everything(), fields.Everything(), created.ResourceVersion)
	if err != nil {
		t.Fatalf("Couldn't subscribe to Pods %v", err)
	}
	defer podWatch.Stop()

	// wait for initial build event from the creation of the imagerepo with tag latest
	event := waitForWatch(t, "initial build added", buildWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild := event.Object.(*buildapi.Build)

	// initial pod creation for build
	event = waitForWatch(t, "build pod created", podWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	clusterAdminClient.Builds(testutil.Namespace()).Delete(newBuild.Name)

	event = waitForWatchType(t, "pod deleted due to build deleted", podWatch, watchapi.Deleted)
	if e, a := watchapi.Deleted, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	pod := event.Object.(*kapi.Pod)
	if expected := buildutil.GetBuildPodName(newBuild); pod.Name != expected {
		t.Fatalf("Expected pod %s to be deleted, but pod %s was deleted", expected, pod.Name)
	}

}

// CreateBuildPod creates the pod to be used for the Docker build
// TODO: Make the Pod definition configurable
func (bs *DockerBuildStrategy) CreateBuildPod(build *buildapi.Build) (*kapi.Pod, error) {
	data, err := bs.Codec.Encode(build)
	if err != nil {
		return nil, fmt.Errorf("failed to encode the build: %v", err)
	}

	privileged := true
	strategy := build.Parameters.Strategy.DockerStrategy

	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name:      buildutil.GetBuildPodName(build),
			Namespace: build.Namespace,
			Labels:    getPodLabels(build),
		},
		Spec: kapi.PodSpec{
			ServiceAccount: build.Parameters.ServiceAccount,
			Containers: []kapi.Container{
				{
					Name:  "docker-build",
					Image: bs.Image,
					Env: []kapi.EnvVar{
						{Name: "BUILD", Value: string(data)},
					},
					Args: []string{"--loglevel=" + fmt.Sprintf("%d", cmdutil.GetLogLevel())},
					// TODO: run unprivileged https://github.com/openshift/origin/issues/662
					SecurityContext: &kapi.SecurityContext{
						Privileged: &privileged,
					},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	pod.Spec.Containers[0].ImagePullPolicy = kapi.PullIfNotPresent
	pod.Spec.Containers[0].Resources = build.Parameters.Resources

	setupDockerSocket(pod)
	setupDockerSecrets(pod, build.Parameters.Output.PushSecret, strategy.PullSecret)
	setupSourceSecrets(pod, build.Parameters.Source.SourceSecret)
	return pod, nil
}

// WatchBuilds begins watching for new, changed, or deleted Builds.
func (r *Etcd) WatchBuilds(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	version, err := tools.ParseWatchResourceVersion(resourceVersion, "build")
	if err != nil {
		return nil, err
	}

	return r.WatchList(makeBuildListKey(ctx), version, func(obj runtime.Object) bool {
		build, ok := obj.(*api.Build)
		setDuration(build)
		if !ok {
			glog.Errorf("Unexpected object during build watch: %#v", obj)
			return false
		}
		fields := labels.Set{
			"metadata.name": build.Name,
			"status":        string(build.Status),
			"podName":       buildutil.GetBuildPodName(build),
		}
		return label.Matches(labels.Set(build.Labels)) && field.Matches(fields)
	})
}

// HandleBuildDeletion deletes a build pod if the corresponding build has been deleted
func (bc *BuildDeleteController) HandleBuildDeletion(build *buildapi.Build) error {
	glog.V(4).Infof("Handling deletion of build %s", build.Name)
	podName := buildutil.GetBuildPodName(build)
	pod, err := bc.PodManager.GetPod(build.Namespace, podName)
	if err != nil && !errors.IsNotFound(err) {
		glog.V(2).Infof("Failed to find pod with name %s for Build %s in namespace %s due to error: %v", podName, build.Name, build.Namespace, err)
		return err
	}
	if pod == nil {
		glog.V(2).Infof("Did not find pod with name %s for Build %s in namespace %s", podName, build.Name, build.Namespace)
		return nil
	}
	if buildName, _ := buildutil.GetBuildLabel(pod); buildName != build.Name {
		glog.V(2).Infof("Not deleting pod %s/%s because the build label %s does not match the build name %s", pod.Namespace, podName, buildName, build.Name)
		return nil
	}
	err = bc.PodManager.DeletePod(build.Namespace, pod)
	if err != nil && !errors.IsNotFound(err) {
		glog.V(2).Infof("Failed to delete pod %s/%s for Build %s due to error: %v", build.Namespace, podName, build.Name, err)
		return err
	}
	return nil
}

func TestSTICreateBuildPod(t *testing.T) {
	strategy := &SourceBuildStrategy{
		Image:                "sti-test-image",
		TempDirectoryCreator: &FakeTempDirCreator{},
		Codec:                latest.Codec,
	}

	expected := mockSTIBuild()
	actual, err := strategy.CreateBuildPod(expected)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	if expected, actual := buildutil.GetBuildPodName(expected), actual.ObjectMeta.Name; expected != actual {
		t.Errorf("Expected %s, but got %s!", expected, actual)
	}
	expectedLabels := make(map[string]string)
	for k, v := range expected.Labels {
		expectedLabels[k] = v
	}
	expectedLabels[buildapi.BuildLabel] = expected.Name
	if !reflect.DeepEqual(expectedLabels, actual.Labels) {
		t.Errorf("Pod Labels does not match Build Labels!")
	}
	container := actual.Spec.Containers[0]
	if container.Name != "sti-build" {
		t.Errorf("Expected sti-build, but got %s!", container.Name)
	}
	if container.Image != strategy.Image {
		t.Errorf("Expected %s image, got %s!", container.Image, strategy.Image)
	}
	if container.ImagePullPolicy != kapi.PullIfNotPresent {
		t.Errorf("Expected %v, got %v", kapi.PullIfNotPresent, container.ImagePullPolicy)
	}
	if actual.Spec.RestartPolicy != kapi.RestartPolicyNever {
		t.Errorf("Expected never, got %#v", actual.Spec.RestartPolicy)
	}
	// strategy ENV is whitelisted into the container environment, and not all
	// the values are allowed, so only expect 6 not 7 values.
	if len(container.Env) != 6 {
		t.Fatalf("Expected 6 elements in Env table, got %d: %+v", len(container.Env), container.Env)
	}
	if len(container.VolumeMounts) != 4 {
		t.Fatalf("Expected 4 volumes in container, got %d", len(container.VolumeMounts))
	}
	for i, expected := range []string{dockerSocketPath, DockerPushSecretMountPath, DockerPullSecretMountPath, sourceSecretMountPath} {
		if container.VolumeMounts[i].MountPath != expected {
			t.Fatalf("Expected %s in VolumeMount[%d], got %s", expected, i, container.VolumeMounts[i].MountPath)
		}
	}
	if len(actual.Spec.Volumes) != 4 {
		t.Fatalf("Expected 4 volumes in Build pod, got %d", len(actual.Spec.Volumes))
	}
	if !kapi.Semantic.DeepEqual(container.Resources, expected.Spec.Resources) {
		t.Fatalf("Expected actual=expected, %v != %v", container.Resources, expected.Spec.Resources)
	}
	found := false
	foundIllegal := false
	for _, v := range container.Env {
		if v.Name == "BUILD_LOGLEVEL" && v.Value == "bar" {
			found = true
		}
		if v.Name == "ILLEGAL" {
			foundIllegal = true
		}
	}
	if !found {
		t.Fatalf("Expected variable BUILD_LOGLEVEL be defined for the container")
	}
	if foundIllegal {
		t.Fatalf("Found illegal environment variable 'ILLEGAL' defined on container")
	}
	buildJSON, _ := latest.Codec.Encode(expected)
	errorCases := map[int][]string{
		0: {"BUILD", string(buildJSON)},
	}
	for index, exp := range errorCases {
		if e := container.Env[index]; e.Name != exp[0] || e.Value != exp[1] {
			t.Errorf("Expected %s:%s, got %s:%s!\n", exp[0], exp[1], e.Name, e.Value)
		}
	}
}

func testSTICreateBuildPod(t *testing.T, rootAllowed bool) {
	strategy := &SourceBuildStrategy{
		Image:                "sti-test-image",
		TempDirectoryCreator: &FakeTempDirCreator{},
		Codec:                kapi.Codecs.LegacyCodec(buildapi.SchemeGroupVersion),
		AdmissionControl:     &FakeAdmissionControl{admit: rootAllowed},
	}

	expected := mockSTIBuild()
	actual, err := strategy.CreateBuildPod(expected)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	if expected, actual := buildutil.GetBuildPodName(expected), actual.ObjectMeta.Name; expected != actual {
		t.Errorf("Expected %s, but got %s!", expected, actual)
	}
	if !reflect.DeepEqual(map[string]string{buildapi.BuildLabel: expected.Name}, actual.Labels) {
		t.Errorf("Pod Labels does not match Build Labels!")
	}
	container := actual.Spec.Containers[0]
	if container.Name != "sti-build" {
		t.Errorf("Expected sti-build, but got %s!", container.Name)
	}
	if container.Image != strategy.Image {
		t.Errorf("Expected %s image, got %s!", container.Image, strategy.Image)
	}
	if container.ImagePullPolicy != kapi.PullIfNotPresent {
		t.Errorf("Expected %v, got %v", kapi.PullIfNotPresent, container.ImagePullPolicy)
	}
	if actual.Spec.RestartPolicy != kapi.RestartPolicyNever {
		t.Errorf("Expected never, got %#v", actual.Spec.RestartPolicy)
	}
	// strategy ENV is whitelisted into the container environment, and not all
	// the values are allowed, so only expect 9 not 10 values.
	expectedEnvCount := 9
	if !rootAllowed {
		expectedEnvCount = 10
	}
	if len(container.Env) != expectedEnvCount {
		t.Fatalf("Expected 10 elements in Env table, got %d: %+v", len(container.Env), container.Env)
	}
	if len(container.VolumeMounts) != 4 {
		t.Fatalf("Expected 4 volumes in container, got %d", len(container.VolumeMounts))
	}
	for i, expected := range []string{dockerSocketPath, DockerPushSecretMountPath, DockerPullSecretMountPath, sourceSecretMountPath} {
		if container.VolumeMounts[i].MountPath != expected {
			t.Fatalf("Expected %s in VolumeMount[%d], got %s", expected, i, container.VolumeMounts[i].MountPath)
		}
	}
	if len(actual.Spec.Volumes) != 4 {
		t.Fatalf("Expected 4 volumes in Build pod, got %d", len(actual.Spec.Volumes))
	}
	if *actual.Spec.ActiveDeadlineSeconds != 60 {
		t.Errorf("Expected ActiveDeadlineSeconds 60, got %d", *actual.Spec.ActiveDeadlineSeconds)
	}
	if !kapi.Semantic.DeepEqual(container.Resources, expected.Spec.Resources) {
		t.Fatalf("Expected actual=expected, %v != %v", container.Resources, expected.Spec.Resources)
	}
	found := false
	foundIllegal := false
	foundAllowedUIDs := false
	for _, v := range container.Env {
		if v.Name == "BUILD_LOGLEVEL" && v.Value == "bar" {
			found = true
		}
		if v.Name == "ILLEGAL" {
			foundIllegal = true
		}
		if v.Name == "ALLOWED_UIDS" && v.Value == "1-" {
			foundAllowedUIDs = true
		}
	}
	if !found {
		t.Fatalf("Expected variable BUILD_LOGLEVEL be defined for the container")
	}
	if foundIllegal {
		t.Fatalf("Found illegal environment variable 'ILLEGAL' defined on container")
	}
	if foundAllowedUIDs && rootAllowed {
		t.Fatalf("Did not expect ALLOWED_UIDS when root is allowed")
	}
	if !foundAllowedUIDs && !rootAllowed {
		t.Fatalf("Expected ALLLOWED_UIDS when root is not allowed")
	}
	buildJSON, _ := runtime.Encode(kapi.Codecs.LegacyCodec(buildapi.SchemeGroupVersion), expected)
	errorCases := map[int][]string{
		0: {"BUILD", string(buildJSON)},
	}
	for index, exp := range errorCases {
		if e := container.Env[index]; e.Name != exp[0] || e.Value != exp[1] {
			t.Errorf("Expected %s:%s, got %s:%s!\n", exp[0], exp[1], e.Name, e.Value)
		}
	}
}

// CreateBuildPod creates a pod that will execute the STI build
// TODO: Make the Pod definition configurable
func (bs *SourceBuildStrategy) CreateBuildPod(build *buildapi.Build) (*kapi.Pod, error) {
	data, err := runtime.Encode(bs.Codec, build)
	if err != nil {
		return nil, fmt.Errorf("failed to encode the Build %s/%s: %v", build.Namespace, build.Name, err)
	}

	containerEnv := []kapi.EnvVar{
		{Name: "BUILD", Value: string(data)},
		{Name: "BUILD_LOGLEVEL", Value: fmt.Sprintf("%d", cmdutil.GetLogLevel())},
	}

	addSourceEnvVars(build.Spec.Source, &containerEnv)
	addOriginVersionVar(&containerEnv)

	strategy := build.Spec.Strategy.SourceStrategy
	if len(strategy.Env) > 0 {
		mergeTrustedEnvWithoutDuplicates(strategy.Env, &containerEnv)
	}

	// check if can run container as root
	if !bs.canRunAsRoot(build) {
		// TODO: both AllowedUIDs and DropCapabilities should
		// be controlled via the SCC that's in effect for the build service account
		// For now, both are hard-coded based on whether the build service account can
		// run as root.
		containerEnv = append(containerEnv, kapi.EnvVar{Name: buildapi.AllowedUIDs, Value: "1-"})
		containerEnv = append(containerEnv, kapi.EnvVar{Name: buildapi.DropCapabilities, Value: strings.Join(DefaultDropCaps, ",")})
	}

	privileged := true
	pod := &kapi.Pod{
		ObjectMeta: kapi.ObjectMeta{
			Name:      buildutil.GetBuildPodName(build),
			Namespace: build.Namespace,
			Labels:    getPodLabels(build),
		},
		Spec: kapi.PodSpec{
			ServiceAccountName: build.Spec.ServiceAccount,
			Containers: []kapi.Container{
				{
					Name:  "sti-build",
					Image: bs.Image,
					Env:   containerEnv,
					// TODO: run unprivileged https://github.com/openshift/origin/issues/662
					SecurityContext: &kapi.SecurityContext{
						Privileged: &privileged,
					},
					Args: []string{"--loglevel=" + getContainerVerbosity(containerEnv)},
				},
			},
			RestartPolicy: kapi.RestartPolicyNever,
		},
	}
	pod.Spec.Containers[0].ImagePullPolicy = kapi.PullIfNotPresent
	pod.Spec.Containers[0].Resources = build.Spec.Resources

	if build.Spec.CompletionDeadlineSeconds != nil {
		pod.Spec.ActiveDeadlineSeconds = build.Spec.CompletionDeadlineSeconds
	}
	if build.Spec.Source.Binary != nil {
		pod.Spec.Containers[0].Stdin = true
		pod.Spec.Containers[0].StdinOnce = true
	}

	setupDockerSocket(pod)
	setupDockerSecrets(pod, build.Spec.Output.PushSecret, strategy.PullSecret, build.Spec.Source.Images)
	setupSourceSecrets(pod, build.Spec.Source.SourceSecret)
	setupSecrets(pod, build.Spec.Source.Secrets)
	return pod, nil
}

func runBuildRunningPodDeleteTest(t *testing.T, clusterAdminClient *client.Client, clusterAdminKubeClient *kclient.Client) {

	buildWatch, err := clusterAdminClient.Builds(testutil.Namespace()).Watch(kapi.ListOptions{})
	if err != nil {
		t.Fatalf("Couldn't subscribe to Builds %v", err)
	}
	defer buildWatch.Stop()

	created, err := clusterAdminClient.Builds(testutil.Namespace()).Create(mockBuild())
	if err != nil {
		t.Fatalf("Couldn't create Build: %v", err)
	}

	podWatch, err := clusterAdminKubeClient.Pods(testutil.Namespace()).Watch(kapi.ListOptions{ResourceVersion: created.ResourceVersion})
	if err != nil {
		t.Fatalf("Couldn't subscribe to Pods %v", err)
	}
	defer podWatch.Stop()

	// wait for initial build event from the creation of the imagerepo with tag latest
	event := waitForWatch(t, "initial build added", buildWatch)
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild := event.Object.(*buildapi.Build)
	buildName := newBuild.Name
	podName := newBuild.Name + "-build"

	// initial pod creation for build
	for {
		event = waitForWatch(t, "build pod created", podWatch)
		newPod := event.Object.(*kapi.Pod)
		if newPod.Name == podName {
			break
		}
	}
	if e, a := watchapi.Added, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}

	// throw away events from other builds, we only care about the new build
	// we just triggered
	for {
		event = waitForWatch(t, "build updated to pending", buildWatch)
		newBuild = event.Object.(*buildapi.Build)
		if newBuild.Name == buildName {
			break
		}
	}
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	if newBuild.Status.Phase != buildapi.BuildPhasePending {
		t.Fatalf("expected build status to be marked pending, but was marked %s", newBuild.Status.Phase)
	}

	clusterAdminKubeClient.Pods(testutil.Namespace()).Delete(buildutil.GetBuildPodName(newBuild), kapi.NewDeleteOptions(0))
	event = waitForWatch(t, "build updated to error", buildWatch)
	if e, a := watchapi.Modified, event.Type; e != a {
		t.Fatalf("expected watch event type %s, got %s", e, a)
	}
	newBuild = event.Object.(*buildapi.Build)
	if newBuild.Status.Phase != buildapi.BuildPhaseError {
		t.Fatalf("expected build status to be marked error, but was marked %s", newBuild.Status.Phase)
	}
}

func printBuild(build *buildapi.Build, w io.Writer, withNamespace, wide bool, columnLabels []string) error {
	_, err := fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", build.Name, describeStrategy(build.Spec.Strategy.Type), build.Status.Phase, buildutil.GetBuildPodName(build))
	return err
}