// TODO(floreks): This should be transactional to make sure that DS will not be deleted without pods
// Deletes daemon set with given name in given namespace and related pods.
// Also deletes services related to daemon set if deleteServices is true.
func DeleteDaemonSet(client k8sClient.Interface, namespace, name string,
deleteServices bool) error {
log.Printf("Deleting %s daemon set from %s namespace", name, namespace)
if deleteServices {
if err := DeleteDaemonSetServices(client, namespace, name); err != nil {
return err
}
}
pods, err := getRawDaemonSetPods(client, namespace, name)
if err != nil {
return err
}
if err := client.Extensions().DaemonSets(namespace).Delete(name); err != nil {
return err
}
for _, pod := range pods.Items {
if err := client.Pods(namespace).Delete(pod.Name, &api.DeleteOptions{}); err != nil {
return err
}
}
log.Printf("Successfully deleted %s daemon set from %s namespace", name, namespace)
return nil
}
func StatusViewerFor(kind unversioned.GroupKind, c client.Interface) (StatusViewer, error) {
switch kind {
case extensions.Kind("Deployment"):
return &DeploymentStatusViewer{c.Extensions()}, nil
}
return nil, fmt.Errorf("no status viewer has been implemented for %v", kind)
}
// GetDeploymentDetail returns model object of deployment and error, if any.
func GetDeploymentDetail(client client.Interface, namespace string,
name string) (*DeploymentDetail, error) {
log.Printf("Getting details of %s deployment in %s namespace", name, namespace)
deployment, err := client.Extensions().Deployments(namespace).Get(name)
if err != nil {
return nil, err
}
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return nil, err
}
options := api.ListOptions{LabelSelector: selector}
channels := &common.ResourceChannels{
ReplicaSetList: common.GetReplicaSetListChannelWithOptions(client.Extensions(),
common.NewSameNamespaceQuery(namespace), options, 1),
PodList: common.GetPodListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
EventList: common.GetEventListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
}
rsList := <-channels.ReplicaSetList.List
if err := <-channels.ReplicaSetList.Error; err != nil {
return nil, err
}
podList := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
eventList := <-channels.EventList.List
if err := <-channels.EventList.Error; err != nil {
return nil, err
}
oldReplicaSets, _, err := deploymentutil.FindOldReplicaSets(deployment, rsList.Items, podList)
if err != nil {
return nil, err
}
newReplicaSet, err := deploymentutil.FindNewReplicaSet(deployment, rsList.Items)
if err != nil {
return nil, err
}
events, err := GetDeploymentEvents(eventList.Items, namespace, name)
if err != nil {
return nil, err
}
return getDeploymentDetail(deployment, oldReplicaSets, newReplicaSet,
podList.Items, events, eventList.Items), nil
}
func ScalerFor(kind string, c client.Interface) (Scaler, error) {
switch kind {
case "ReplicationController":
return &ReplicationControllerScaler{c}, nil
case "Job":
return &JobScaler{c.Extensions()}, nil
case "Deployment":
return &DeploymentScaler{c.Extensions()}, nil
}
return nil, fmt.Errorf("no scaler has been implemented for %q", kind)
}
func ScalerFor(kind unversioned.GroupKind, c client.Interface) (Scaler, error) {
switch kind {
case api.Kind("ReplicationController"):
return &ReplicationControllerScaler{c}, nil
case extensions.Kind("Job"):
return &JobScaler{c.Extensions()}, nil
case extensions.Kind("Deployment"):
return &DeploymentScaler{c.Extensions()}, nil
}
return nil, fmt.Errorf("no scaler has been implemented for %q", kind)
}
// GetDeploymentEvents returns model events for a deployment with the given name in the given
// namespace
func GetDeploymentOldReplicaSets(client client.Interface, dsQuery *dataselect.DataSelectQuery,
namespace string, deploymentName string) (*replicasetlist.ReplicaSetList, error) {
deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
if err != nil {
return nil, err
}
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return nil, err
}
options := api.ListOptions{LabelSelector: selector}
channels := &common.ResourceChannels{
ReplicaSetList: common.GetReplicaSetListChannelWithOptions(client.Extensions(),
common.NewSameNamespaceQuery(namespace), options, 1),
PodList: common.GetPodListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
EventList: common.GetEventListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
}
rawRs := <-channels.ReplicaSetList.List
if err := <-channels.ReplicaSetList.Error; err != nil {
return nil, err
}
rawPods := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
rawEvents := <-channels.EventList.List
if err := <-channels.EventList.Error; err != nil {
return nil, err
}
rawRepSets := make([]*extensions.ReplicaSet, 0)
for i := range rawRs.Items {
rawRepSets = append(rawRepSets, &rawRs.Items[i])
}
oldRs, _, err := deploymentutil.FindOldReplicaSets(deployment, rawRepSets, rawPods)
if err != nil {
return nil, err
}
oldReplicaSets := make([]extensions.ReplicaSet, len(oldRs))
for i, replicaSet := range oldRs {
oldReplicaSets[i] = *replicaSet
}
oldReplicaSetList := replicasetlist.CreateReplicaSetList(oldReplicaSets, rawPods.Items, rawEvents.Items,
dsQuery, nil)
return oldReplicaSetList, nil
}
func ScalerFor(kind unversioned.GroupKind, c client.Interface) (Scaler, error) {
switch kind {
case api.Kind("ReplicationController"):
return &ReplicationControllerScaler{c}, nil
case extensions.Kind("ReplicaSet"):
return &ReplicaSetScaler{c.Extensions()}, nil
case extensions.Kind("Job"):
return &JobScaler{c.Extensions()}, nil
// TODO(madhusudancs): Fix this when Scale group issues are resolved (see issue #18528).
// case extensions.Kind("Deployment"):
// return &DeploymentScaler{c.Extensions()}, nil
}
return nil, fmt.Errorf("no scaler has been implemented for %q", kind)
}
func ScalerFor(kind unversioned.GroupKind, c client.Interface) (Scaler, error) {
switch kind {
case api.Kind("ReplicationController"):
return &ReplicationControllerScaler{c}, nil
case extensions.Kind("ReplicaSet"):
return &ReplicaSetScaler{c.Extensions()}, nil
case extensions.Kind("Job"), batch.Kind("Job"):
return &JobScaler{c.Batch()}, nil // Either kind of job can be scaled with Batch interface.
case apps.Kind("PetSet"):
return &PetSetScaler{c.Apps()}, nil
case extensions.Kind("Deployment"):
return &DeploymentScaler{c.Extensions()}, nil
}
return nil, fmt.Errorf("no scaler has been implemented for %q", kind)
}
// testPodNodeConstraintsObjectCreationWithPodTemplate attemps to create different object types that contain pod templates
// using the passed in nodeName and nodeSelector. It will use the expectError flag to determine if an error should be returned or not
func testPodNodeConstraintsObjectCreationWithPodTemplate(t *testing.T, name string, kclient kclient.Interface, client client.Interface, nodeName string, nodeSelector map[string]string, expectError bool) {
checkForbiddenErr := func(objType string, err error) {
if err == nil && expectError {
t.Errorf("%s (%s): expected forbidden error but did not receive one", name, objType)
return
}
if err != nil && !expectError {
t.Errorf("%s (%s): got error but did not expect one: %v", name, objType, err)
return
}
if err != nil && expectError && !kapierrors.IsForbidden(err) {
t.Errorf("%s (%s): did not get an expected forbidden error: %v", name, objType, err)
return
}
}
// Pod
pod := testPodNodeConstraintsPod(nodeName, nodeSelector)
_, err := kclient.Pods(testutil.Namespace()).Create(pod)
checkForbiddenErr("pod", err)
// ReplicationController
rc := testPodNodeConstraintsReplicationController(nodeName, nodeSelector)
_, err = kclient.ReplicationControllers(testutil.Namespace()).Create(rc)
checkForbiddenErr("rc", err)
// TODO: Enable when the deployments endpoint is supported in Origin
// Deployment
// d := testPodNodeConstraintsDeployment(nodeName, nodeSelector)
// _, err = kclient.Extensions().Deployments(testutil.Namespace()).Create(d)
// checkForbiddenErr("deployment", err)
// ReplicaSet
rs := testPodNodeConstraintsReplicaSet(nodeName, nodeSelector)
_, err = kclient.Extensions().ReplicaSets(testutil.Namespace()).Create(rs)
checkForbiddenErr("replicaset", err)
// Job
job := testPodNodeConstraintsJob(nodeName, nodeSelector)
_, err = kclient.Extensions().Jobs(testutil.Namespace()).Create(job)
checkForbiddenErr("job", err)
// DeploymentConfig
dc := testPodNodeConstraintsDeploymentConfig(nodeName, nodeSelector)
_, err = client.DeploymentConfigs(testutil.Namespace()).Create(dc)
checkForbiddenErr("dc", err)
}
// DeleteDaemonSetServices deletes services related to daemon set with given name in given namespace.
func DeleteDaemonSetServices(client k8sClient.Interface, namespace, name string) error {
log.Printf("Deleting services related to %s daemon set from %s namespace", name,
namespace)
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(name)
if err != nil {
return err
}
labelSelector, err := unversioned.LabelSelectorAsSelector(daemonSet.Spec.Selector)
if err != nil {
return err
}
services, err := getServicesForDSDeletion(client, labelSelector, namespace)
if err != nil {
return err
}
for _, service := range services {
if err := client.Services(namespace).Delete(service.Name); err != nil {
return err
}
}
log.Printf("Successfully deleted services related to %s daemon set from %s namespace",
name, namespace)
return nil
}
// GetReplicaSetDetail gets replica set details.
func GetReplicaSetDetail(client k8sClient.Interface, heapsterClient client.HeapsterClient,
namespace, name string) (*ReplicaSetDetail, error) {
log.Printf("Getting details of %s service in %s namespace", name, namespace)
// TODO(floreks): Use channels.
replicaSetData, err := client.Extensions().ReplicaSets(namespace).Get(name)
if err != nil {
return nil, err
}
eventList, err := GetReplicaSetEvents(client, dataselect.DefaultDataSelect, replicaSetData.Namespace, replicaSetData.Name)
if err != nil {
return nil, err
}
podList, err := GetReplicaSetPods(client, heapsterClient, dataselect.DefaultDataSelectWithMetrics, name, namespace)
if err != nil {
return nil, err
}
podInfo, err := getReplicaSetPodInfo(client, replicaSetData)
if err != nil {
return nil, err
}
serviceList, err := GetReplicaSetServices(client, dataselect.DefaultDataSelect, namespace, name)
if err != nil {
return nil, err
}
replicaSet := ToReplicaSetDetail(replicaSetData, *eventList, *podList, *podInfo, *serviceList)
return &replicaSet, nil
}
// getJobPods returns list of pods targeting deployment.
func GetDeploymentPods(client client.Interface, heapsterClient heapster.HeapsterClient,
dsQuery *dataselect.DataSelectQuery, namespace string, deploymentName string) (*pod.PodList, error) {
deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
if err != nil {
return nil, err
}
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return nil, err
}
options := api.ListOptions{LabelSelector: selector}
channels := &common.ResourceChannels{
PodList: common.GetPodListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
}
rawPods := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
pods := common.FilterNamespacedPodsBySelector(rawPods.Items, deployment.ObjectMeta.Namespace,
deployment.Spec.Selector.MatchLabels)
podList := pod.CreatePodList(pods, dsQuery, heapsterClient)
return &podList, nil
}
// Returns structure containing DaemonSet and Pods for the given daemon set.
func getRawDaemonSetWithPods(client client.Interface, namespace, name string) (
*DaemonSetWithPods, error) {
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(name)
if err != nil {
return nil, err
}
labelSelector, err := unversioned.LabelSelectorAsSelector(daemonSet.Spec.Selector)
if err != nil {
return nil, err
}
pods, err := client.Pods(namespace).List(
api.ListOptions{
LabelSelector: labelSelector,
FieldSelector: fields.Everything(),
})
if err != nil {
return nil, err
}
daemonSetAndPods := &DaemonSetWithPods{
DaemonSet: daemonSet,
Pods: pods,
}
return daemonSetAndPods, nil
}
// GetJobDetail gets job details.
func GetJobDetail(client k8sClient.Interface, heapsterClient client.HeapsterClient,
namespace, name string) (*JobDetail, error) {
log.Printf("Getting details of %s service in %s namespace", name, namespace)
// TODO(floreks): Use channels.
jobData, err := client.Extensions().Jobs(namespace).Get(name)
if err != nil {
return nil, err
}
channels := &common.ResourceChannels{
PodList: common.GetPodListChannel(client, common.NewSameNamespaceQuery(namespace), 1),
}
pods := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
events, err := GetJobEvents(client, jobData.Namespace, jobData.Name)
if err != nil {
return nil, err
}
job := getJobDetail(jobData, heapsterClient, events, pods.Items)
return &job, nil
}
// GetJobDetail gets job details.
func GetJobDetail(client k8sClient.Interface, heapsterClient client.HeapsterClient,
namespace, name string) (*JobDetail, error) {
// TODO(floreks): Use channels.
jobData, err := client.Extensions().Jobs(namespace).Get(name)
if err != nil {
return nil, err
}
podList, err := GetJobPods(client, heapsterClient, dataselect.DefaultDataSelectWithMetrics, namespace, name)
if err != nil {
return nil, err
}
podInfo, err := getJobPodInfo(client, jobData)
if err != nil {
return nil, err
}
eventList, err := GetJobEvents(client, dataselect.DefaultDataSelect, jobData.Namespace, jobData.Name)
if err != nil {
return nil, err
}
job := getJobDetail(jobData, heapsterClient, *eventList, *podList, *podInfo)
return &job, nil
}
// Based on given selector returns list of services that are candidates for deletion.
// Services are matched by daemon sets' label selector. They are deleted if given
// label selector is targeting only 1 daemon set.
func getServicesForDSDeletion(client client.Interface, labelSelector labels.Selector,
namespace string) ([]api.Service, error) {
daemonSet, err := client.Extensions().DaemonSets(namespace).List(api.ListOptions{
LabelSelector: labelSelector,
FieldSelector: fields.Everything(),
})
if err != nil {
return nil, err
}
// if label selector is targeting only 1 daemon set
// then we can delete services targeted by this label selector,
// otherwise we can not delete any services so just return empty list
if len(daemonSet.Items) != 1 {
return []api.Service{}, nil
}
services, err := client.Services(namespace).List(api.ListOptions{
LabelSelector: labelSelector,
FieldSelector: fields.Everything(),
})
if err != nil {
return nil, err
}
return services.Items, nil
}
// GetDeploymentEvents returns model events for a deployment with the given name in the given
// namespace
func GetDeploymentEvents(client client.Interface, dsQuery *dataselect.DataSelectQuery, namespace string, deploymentName string) (
*common.EventList, error) {
deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
if err != nil {
return nil, err
}
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return nil, err
}
options := api.ListOptions{LabelSelector: selector}
channels := &common.ResourceChannels{
EventList: common.GetEventListChannelWithOptions(client,
common.NewSameNamespaceQuery(namespace), options, 1),
}
eventRaw := <-channels.EventList.List
if err := <-channels.EventList.Error; err != nil {
return nil, err
}
dpEvents := eventRaw.Items
if !event.IsTypeFilled(dpEvents) {
dpEvents = event.FillEventsType(dpEvents)
}
eventList := event.CreateEventList(dpEvents, dsQuery)
return &eventList, nil
}
// GetIngressList - return all ingresses in the given namespace.
func GetIngressList(client client.Interface, namespace *common.NamespaceQuery,
dsQuery *dataselect.DataSelectQuery) (*IngressList, error) {
ingressList, err := client.Extensions().Ingress(namespace.ToRequestParam()).List(api.ListOptions{
LabelSelector: labels.Everything(),
FieldSelector: fields.Everything(),
})
if err != nil {
return nil, err
}
return NewIngressList(ingressList.Items, dsQuery), err
}
// GetIngressDetail returns returns detailed information about a ingress
func GetIngressDetail(client client.Interface, namespace, name string) (*IngressDetail, error) {
log.Printf("Getting details of %s ingress in %s namespace", name, namespace)
rawIngress, err := client.Extensions().Ingress(namespace).Get(name)
if err != nil {
return nil, err
}
return getIngressDetail(rawIngress), nil
}
func New(client client.Interface) *DeploymentController {
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(client.Events(""))
return &DeploymentController{
client: client,
expClient: client.Extensions(),
eventRecorder: eventBroadcaster.NewRecorder(api.EventSource{Component: "deployment-controller"}),
}
}
// GetJobList returns a list of all Jobs in the cluster.
func GetJobList(client client.Interface, nsQuery *common.NamespaceQuery) (*JobList, error) {
log.Printf("Getting list of all jobs in the cluster")
channels := &common.ResourceChannels{
JobList: common.GetJobListChannel(client.Extensions(), nsQuery, 1),
PodList: common.GetPodListChannel(client, nsQuery, 1),
EventList: common.GetEventListChannel(client, nsQuery, 1),
}
return GetJobListFromChannels(channels)
}
func toJobPodController(client k8sClient.Interface, reference api.ObjectReference, pods []api.Pod, events []api.Event, heapsterClient client.HeapsterClient) (*Controller, error) {
job, err := client.Extensions().Jobs(reference.Namespace).Get(reference.Name)
if err != nil {
return nil, err
}
jobs := []batch.Job{*job}
jobList := joblist.CreateJobList(jobs, pods, events, dataselect.StdMetricsDataSelect, &heapsterClient)
return &Controller{
Kind: "Job",
JobList: jobList,
}, nil
}
func toReplicaSetPodController(client k8sClient.Interface, reference api.ObjectReference, pods []api.Pod, events []api.Event, heapsterClient client.HeapsterClient) (*Controller, error) {
rs, err := client.Extensions().ReplicaSets(reference.Namespace).Get(reference.Name)
if err != nil {
return nil, err
}
replicaSets := []extensions.ReplicaSet{*rs}
replicaSetList := replicasetlist.CreateReplicaSetList(replicaSets, pods, events, dataselect.StdMetricsDataSelect, &heapsterClient)
return &Controller{
Kind: "ReplicaSet",
ReplicaSetList: replicaSetList,
}, nil
}
// GetReplicaSetList returns a list of all Replica Sets in the cluster.
func GetReplicaSetList(client client.Interface, nsQuery *common.NamespaceQuery,
dsQuery *dataselect.DataSelectQuery, heapsterClient *heapster.HeapsterClient) (*ReplicaSetList, error) {
log.Printf("Getting list of all replica sets in the cluster")
channels := &common.ResourceChannels{
ReplicaSetList: common.GetReplicaSetListChannel(client.Extensions(), nsQuery, 1),
PodList: common.GetPodListChannel(client, nsQuery, 1),
EventList: common.GetEventListChannel(client, nsQuery, 1),
}
return GetReplicaSetListFromChannels(channels, dsQuery, heapsterClient)
}
func toDaemonSetPodController(client k8sClient.Interface, reference api.ObjectReference, pods []api.Pod, events []api.Event, heapsterClient client.HeapsterClient) (*Controller, error) {
daemonset, err := client.Extensions().DaemonSets(reference.Namespace).Get(reference.Name)
if err != nil {
return nil, err
}
daemonsets := []extensions.DaemonSet{*daemonset}
daemonSetList := daemonsetlist.CreateDaemonSetList(daemonsets, pods, events, dataselect.StdMetricsDataSelect, &heapsterClient)
return &Controller{
Kind: "DaemonSet",
DaemonSetList: daemonSetList,
}, nil
}
// GetDaemonSetPodsEvents gets events associated to pods in daemon set.
func GetDaemonSetPodsEvents(client client.Interface, namespace, daemonSetName string) (
[]api.Event, error) {
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(daemonSetName)
if err != nil {
return nil, err
}
podEvents, err := event.GetPodsEvents(client, namespace, daemonSet.Spec.Selector.MatchLabels)
if err != nil {
return nil, err
}
return podEvents, nil
}
// Returns detailed information about the given daemon set in the given namespace.
func GetDaemonSetDetail(client k8sClient.Interface, heapsterClient client.HeapsterClient,
namespace, name string) (*DaemonSetDetail, error) {
log.Printf("Getting details of %s daemon set in %s namespace", name, namespace)
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(name)
if err != nil {
return nil, err
}
podList, err := GetDaemonSetPods(client, heapsterClient, dataselect.DefaultDataSelectWithMetrics, name, namespace)
if err != nil {
return nil, err
}
podInfo, err := getDaemonSetPodInfo(client, daemonSet)
if err != nil {
return nil, err
}
serviceList, err := GetDaemonSetServices(client, dataselect.DefaultDataSelect, namespace, name)
if err != nil {
return nil, err
}
eventList, err := GetDaemonSetEvents(client, dataselect.DefaultDataSelect, daemonSet.Namespace, daemonSet.Name)
if err != nil {
return nil, err
}
daemonSetDetail := &DaemonSetDetail{
ObjectMeta: common.NewObjectMeta(daemonSet.ObjectMeta),
TypeMeta: common.NewTypeMeta(common.ResourceKindDaemonSet),
LabelSelector: daemonSet.Spec.Selector,
PodInfo: *podInfo,
PodList: *podList,
ServiceList: *serviceList,
EventList: *eventList,
}
for _, container := range daemonSet.Spec.Template.Spec.Containers {
daemonSetDetail.ContainerImages = append(daemonSetDetail.ContainerImages,
container.Image)
}
return daemonSetDetail, nil
}
// GetJobPodsEvents gets events associated to pods in job.
func GetJobPodsEvents(client client.Interface, namespace, jobName string) (
[]api.Event, error) {
job, err := client.Extensions().Jobs(namespace).Get(jobName)
if err != nil {
return nil, err
}
podEvents, err := event.GetPodsEvents(client, namespace, job.Spec.Selector.MatchLabels)
if err != nil {
return nil, err
}
return podEvents, nil
}
// Returns array of api pods targeting daemon set with given name.
func getRawDaemonSetPods(client k8sClient.Interface, daemonSetName, namespace string) (
[]api.Pod, error) {
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(daemonSetName)
if err != nil {
return nil, err
}
channels := &common.ResourceChannels{
PodList: common.GetPodListChannel(client, common.NewSameNamespaceQuery(namespace), 1),
}
podList := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
matchingPods := common.FilterNamespacedPodsByLabelSelector(podList.Items,
daemonSet.ObjectMeta.Namespace, daemonSet.Spec.Selector)
return matchingPods, nil
}
// GetDaemonSetServices returns list of services that are related to daemon set targeted by given
// name.
func GetDaemonSetServices(client client.Interface, dsQuery *dataselect.DataSelectQuery,
namespace, name string) (*service.ServiceList, error) {
daemonSet, err := client.Extensions().DaemonSets(namespace).Get(name)
if err != nil {
return nil, err
}
channels := &common.ResourceChannels{
ServiceList: common.GetServiceListChannel(client, common.NewSameNamespaceQuery(namespace),
1),
}
services := <-channels.ServiceList.List
if err := <-channels.ServiceList.Error; err != nil {
return nil, err
}
matchingServices := common.FilterNamespacedServicesBySelector(services.Items, namespace,
daemonSet.Spec.Selector.MatchLabels)
return service.CreateServiceList(matchingServices, dsQuery), nil
}