func createConfig(s *options.SchedulerServer, kubecli *clientset.Clientset) (*scheduler.Config, error) {
configFactory := factory.NewConfigFactory(kubecli, s.SchedulerName, s.HardPodAffinitySymmetricWeight, s.FailureDomains)
if _, err := os.Stat(s.PolicyConfigFile); err == nil {
var (
policy schedulerapi.Policy
configData []byte
)
configData, err := ioutil.ReadFile(s.PolicyConfigFile)
if err != nil {
return nil, fmt.Errorf("unable to read policy config: %v", err)
}
if err := runtime.DecodeInto(latestschedulerapi.Codec, configData, &policy); err != nil {
return nil, fmt.Errorf("invalid configuration: %v", err)
}
return configFactory.CreateFromConfig(policy)
}
// if the config file isn't provided, use the specified (or default) provider
config, err := configFactory.CreateFromProvider(s.AlgorithmProvider)
if err != nil {
return nil, err
}
eventBroadcaster := record.NewBroadcaster()
config.Recorder = eventBroadcaster.NewRecorder(v1.EventSource{Component: s.SchedulerName})
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: kubecli.Core().Events("")})
return config, nil
}
func waitForQuota(t *testing.T, quota *v1.ResourceQuota, clientset *clientset.Clientset) {
w, err := clientset.Core().ResourceQuotas(quota.Namespace).Watch(v1.SingleObject(v1.ObjectMeta{Name: quota.Name}))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if _, err := clientset.Core().ResourceQuotas(quota.Namespace).Create(quota); err != nil {
t.Fatalf("unexpected error: %v", err)
}
_, err = watch.Until(1*time.Minute, w, func(event watch.Event) (bool, error) {
switch event.Type {
case watch.Modified:
default:
return false, nil
}
switch cast := event.Object.(type) {
case *v1.ResourceQuota:
if len(cast.Status.Hard) > 0 {
return true, nil
}
}
return false, nil
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
}
func scale(t *testing.T, namespace string, clientset *clientset.Clientset) {
target := int32(100)
rc := &v1.ReplicationController{
ObjectMeta: v1.ObjectMeta{
Name: "foo",
Namespace: namespace,
},
Spec: v1.ReplicationControllerSpec{
Replicas: &target,
Selector: map[string]string{"foo": "bar"},
Template: &v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "container",
Image: "busybox",
},
},
},
},
},
}
w, err := clientset.Core().ReplicationControllers(namespace).Watch(v1.SingleObject(v1.ObjectMeta{Name: rc.Name}))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if _, err := clientset.Core().ReplicationControllers(namespace).Create(rc); err != nil {
t.Fatalf("unexpected error: %v", err)
}
_, err = watch.Until(3*time.Minute, w, func(event watch.Event) (bool, error) {
switch event.Type {
case watch.Modified:
default:
return false, nil
}
switch cast := event.Object.(type) {
case *v1.ReplicationController:
fmt.Printf("Found %v of %v replicas\n", int(cast.Status.Replicas), target)
if cast.Status.Replicas == target {
return true, nil
}
}
return false, nil
})
if err != nil {
pods, _ := clientset.Core().Pods(namespace).List(v1.ListOptions{LabelSelector: labels.Everything().String(), FieldSelector: fields.Everything().String()})
t.Fatalf("unexpected error: %v, ended with %v pods", err, len(pods.Items))
}
}
func getReferencedServiceAccountToken(c *clientset.Clientset, ns string, name string, shouldWait bool) (string, string, error) {
tokenName := ""
token := ""
findToken := func() (bool, error) {
user, err := c.Core().ServiceAccounts(ns).Get(name, metav1.GetOptions{})
if errors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
for _, ref := range user.Secrets {
secret, err := c.Core().Secrets(ns).Get(ref.Name, metav1.GetOptions{})
if errors.IsNotFound(err) {
continue
}
if err != nil {
return false, err
}
if secret.Type != v1.SecretTypeServiceAccountToken {
continue
}
name := secret.Annotations[v1.ServiceAccountNameKey]
uid := secret.Annotations[v1.ServiceAccountUIDKey]
tokenData := secret.Data[v1.ServiceAccountTokenKey]
if name == user.Name && uid == string(user.UID) && len(tokenData) > 0 {
tokenName = secret.Name
token = string(tokenData)
return true, nil
}
}
return false, nil
}
if shouldWait {
err := wait.Poll(time.Second, 10*time.Second, findToken)
if err != nil {
return "", "", err
}
} else {
ok, err := findToken()
if err != nil {
return "", "", err
}
if !ok {
return "", "", fmt.Errorf("No token found for %s/%s", ns, name)
}
}
return tokenName, token, nil
}
func doServiceAccountAPIRequests(t *testing.T, c *clientset.Clientset, ns string, authenticated bool, canRead bool, canWrite bool) {
testSecret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{Name: "testSecret"},
Data: map[string][]byte{"test": []byte("data")},
}
readOps := []testOperation{
func() error {
_, err := c.Core().Secrets(ns).List(v1.ListOptions{})
return err
},
func() error {
_, err := c.Core().Pods(ns).List(v1.ListOptions{})
return err
},
}
writeOps := []testOperation{
func() error { _, err := c.Core().Secrets(ns).Create(testSecret); return err },
func() error { return c.Core().Secrets(ns).Delete(testSecret.Name, nil) },
}
for _, op := range readOps {
err := op()
unauthorizedError := errors.IsUnauthorized(err)
forbiddenError := errors.IsForbidden(err)
switch {
case !authenticated && !unauthorizedError:
t.Fatalf("expected unauthorized error, got %v", err)
case authenticated && unauthorizedError:
t.Fatalf("unexpected unauthorized error: %v", err)
case authenticated && canRead && forbiddenError:
t.Fatalf("unexpected forbidden error: %v", err)
case authenticated && !canRead && !forbiddenError:
t.Fatalf("expected forbidden error, got: %v", err)
}
}
for _, op := range writeOps {
err := op()
unauthorizedError := errors.IsUnauthorized(err)
forbiddenError := errors.IsForbidden(err)
switch {
case !authenticated && !unauthorizedError:
t.Fatalf("expected unauthorized error, got %v", err)
case authenticated && unauthorizedError:
t.Fatalf("unexpected unauthorized error: %v", err)
case authenticated && canWrite && forbiddenError:
t.Fatalf("unexpected forbidden error: %v", err)
case authenticated && !canWrite && !forbiddenError:
t.Fatalf("expected forbidden error, got: %v", err)
}
}
}
func getServiceAccount(c *clientset.Clientset, ns string, name string, shouldWait bool) (*v1.ServiceAccount, error) {
if !shouldWait {
return c.Core().ServiceAccounts(ns).Get(name, metav1.GetOptions{})
}
var user *v1.ServiceAccount
var err error
err = wait.Poll(time.Second, 10*time.Second, func() (bool, error) {
user, err = c.Core().ServiceAccounts(ns).Get(name, metav1.GetOptions{})
if errors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
return true, nil
})
return user, err
}
func waitForSecretUpdateOrFail(clientset *kubeclientset.Clientset, nsName string, secret *v1.Secret, timeout time.Duration) {
By(fmt.Sprintf("Fetching a federated secret shard of secret %q in namespace %q from cluster", secret.Name, nsName))
err := wait.PollImmediate(framework.Poll, timeout, func() (bool, error) {
clusterSecret, err := clientset.Core().Secrets(nsName).Get(secret.Name, metav1.GetOptions{})
if err == nil { // We want it present, and the Get succeeded, so we're all good.
if util.SecretEquivalent(*clusterSecret, *secret) {
By(fmt.Sprintf("Success: shard of federated secret %q in namespace %q in cluster is updated", secret.Name, nsName))
return true, nil
} else {
By(fmt.Sprintf("Expected equal secrets. expected: %+v\nactual: %+v", *secret, *clusterSecret))
}
By(fmt.Sprintf("Secret %q in namespace %q in cluster, waiting for secret being updated, trying again in %s (err=%v)", secret.Name, nsName, framework.Poll, err))
return false, nil
}
By(fmt.Sprintf("Secret %q in namespace %q in cluster, waiting for being updated, trying again in %s (err=%v)", secret.Name, nsName, framework.Poll, err))
return false, nil
})
framework.ExpectNoError(err, "Failed to verify secret %q in namespace %q in cluster", secret.Name, nsName)
}
func waitForPersistentVolumeClaimPhase(client *clientset.Clientset, claimName, namespace string, w watch.Interface, phase v1.PersistentVolumeClaimPhase) {
// Check if the claim is already in requested phase
claim, err := client.Core().PersistentVolumeClaims(namespace).Get(claimName, metav1.GetOptions{})
if err == nil && claim.Status.Phase == phase {
return
}
// Wait for the phase
for {
event := <-w.ResultChan()
claim, ok := event.Object.(*v1.PersistentVolumeClaim)
if !ok {
continue
}
if claim.Status.Phase == phase && claim.Name == claimName {
glog.V(2).Infof("claim %q is %s", claim.Name, phase)
break
}
}
}
func waitForPersistentVolumePhase(client *clientset.Clientset, pvName string, w watch.Interface, phase v1.PersistentVolumePhase) {
// Check if the volume is already in requested phase
volume, err := client.Core().PersistentVolumes().Get(pvName, metav1.GetOptions{})
if err == nil && volume.Status.Phase == phase {
return
}
// Wait for the phase
for {
event := <-w.ResultChan()
volume, ok := event.Object.(*v1.PersistentVolume)
if !ok {
continue
}
if volume.Status.Phase == phase && volume.Name == pvName {
glog.V(2).Infof("volume %q is %s", volume.Name, phase)
break
}
}
}
func waitForSecretOrFail(clientset *kubeclientset.Clientset, nsName string, secret *v1.Secret, present bool, timeout time.Duration) {
By(fmt.Sprintf("Fetching a federated secret shard of secret %q in namespace %q from cluster", secret.Name, nsName))
var clusterSecret *v1.Secret
err := wait.PollImmediate(framework.Poll, timeout, func() (bool, error) {
clusterSecret, err := clientset.Core().Secrets(nsName).Get(secret.Name, metav1.GetOptions{})
if (!present) && errors.IsNotFound(err) { // We want it gone, and it's gone.
By(fmt.Sprintf("Success: shard of federated secret %q in namespace %q in cluster is absent", secret.Name, nsName))
return true, nil // Success
}
if present && err == nil { // We want it present, and the Get succeeded, so we're all good.
By(fmt.Sprintf("Success: shard of federated secret %q in namespace %q in cluster is present", secret.Name, nsName))
return true, nil // Success
}
By(fmt.Sprintf("Secret %q in namespace %q in cluster. Found: %v, waiting for Found: %v, trying again in %s (err=%v)", secret.Name, nsName, clusterSecret != nil && err == nil, present, framework.Poll, err))
return false, nil
})
framework.ExpectNoError(err, "Failed to verify secret %q in namespace %q in cluster: Present=%v", secret.Name, nsName, present)
if present && clusterSecret != nil {
Expect(util.SecretEquivalent(*clusterSecret, *secret))
}
}
// NewSourceApiserver creates a config source that watches and pulls from the apiserver.
func NewSourceApiserver(c *clientset.Clientset, nodeName types.NodeName, updates chan<- interface{}) {
lw := cache.NewListWatchFromClient(c.Core().RESTClient(), "pods", v1.NamespaceAll, fields.OneTermEqualSelector(api.PodHostField, string(nodeName)))
newSourceApiserverFromLW(lw, updates)
}
func (s *ServiceController) ensureClusterService(cachedService *cachedService, clusterName string, service *v1.Service, client *kubeclientset.Clientset) error {
var err error
var needUpdate bool
for i := 0; i < clientRetryCount; i++ {
svc, err := client.Core().Services(service.Namespace).Get(service.Name, metav1.GetOptions{})
if err == nil {
// service exists
glog.V(5).Infof("Found service %s/%s from cluster %s", service.Namespace, service.Name, clusterName)
//reserve immutable fields
service.Spec.ClusterIP = svc.Spec.ClusterIP
//reserve auto assigned field
for i, oldPort := range svc.Spec.Ports {
for _, port := range service.Spec.Ports {
if port.NodePort == 0 {
if !portEqualExcludeNodePort(&oldPort, &port) {
svc.Spec.Ports[i] = port
needUpdate = true
}
} else {
if !portEqualForLB(&oldPort, &port) {
svc.Spec.Ports[i] = port
needUpdate = true
}
}
}
}
if needUpdate {
// we only apply spec update
svc.Spec = service.Spec
_, err = client.Core().Services(svc.Namespace).Update(svc)
if err == nil {
glog.V(5).Infof("Service %s/%s successfully updated to cluster %s", svc.Namespace, svc.Name, clusterName)
return nil
} else {
glog.V(4).Infof("Failed to update %+v", err)
}
} else {
glog.V(5).Infof("Service %s/%s is not updated to cluster %s as the spec are identical", svc.Namespace, svc.Name, clusterName)
return nil
}
} else if errors.IsNotFound(err) {
// Create service if it is not found
glog.Infof("Service '%s/%s' is not found in cluster %s, trying to create new",
service.Namespace, service.Name, clusterName)
service.ResourceVersion = ""
_, err = client.Core().Services(service.Namespace).Create(service)
if err == nil {
glog.V(5).Infof("Service %s/%s successfully created to cluster %s", service.Namespace, service.Name, clusterName)
return nil
}
glog.V(4).Infof("Failed to create %+v", err)
if errors.IsAlreadyExists(err) {
glog.V(5).Infof("service %s/%s already exists in cluster %s", service.Namespace, service.Name, clusterName)
return nil
}
}
if errors.IsConflict(err) {
glog.V(4).Infof("Not persisting update to service '%s/%s' that has been changed since we received it: %v",
service.Namespace, service.Name, err)
}
// should we reuse same retry delay for all clusters?
time.Sleep(cachedService.nextRetryDelay())
}
return err
}
