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daemonset.go
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daemonset.go
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package daemonset
import (
"github.com/Qihoo360/wayne/src/backend/client"
"github.com/Qihoo360/wayne/src/backend/resources/common"
"github.com/Qihoo360/wayne/src/backend/resources/event"
"github.com/Qihoo360/wayne/src/backend/resources/pod"
"github.com/Qihoo360/wayne/src/backend/util/maps"
"k8s.io/api/extensions/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/kubernetes"
)
type DaemonSet struct {
ObjectMeta common.ObjectMeta `json:"objectMeta"`
Pods common.PodInfo `json:"pods"`
}
func CreateOrUpdateDaemonSet(cli *kubernetes.Clientset, daemonSet *v1beta1.DaemonSet) (*v1beta1.DaemonSet, error) {
old, err := cli.ExtensionsV1beta1().DaemonSets(daemonSet.Namespace).Get(daemonSet.Name, metaV1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
return cli.ExtensionsV1beta1().DaemonSets(daemonSet.Namespace).Create(daemonSet)
}
return nil, err
}
old.Labels = maps.MergeLabels(old.Labels, daemonSet.Labels)
oldTemplateLabels := old.Spec.Template.Labels
old.Spec = daemonSet.Spec
old.Spec.Template.Labels = maps.MergeLabels(oldTemplateLabels, daemonSet.Spec.Template.Labels)
return cli.ExtensionsV1beta1().DaemonSets(daemonSet.Namespace).Update(old)
}
func GetDaemonSetDetail(cli *kubernetes.Clientset, indexer *client.CacheIndexer, name, namespace string) (*DaemonSet, error) {
daemonSet, err := cli.ExtensionsV1beta1().DaemonSets(namespace).Get(name, metaV1.GetOptions{})
if err != nil {
return nil, err
}
result := &DaemonSet{
ObjectMeta: common.NewObjectMeta(daemonSet.ObjectMeta),
}
podInfo := common.PodInfo{}
podInfo.Current = daemonSet.Status.NumberAvailable
podInfo.Desired = daemonSet.Status.DesiredNumberScheduled
podSelector := labels.SelectorFromSet(daemonSet.Spec.Template.Labels).String()
pods, err := pod.GetPodsBySelector(cli, namespace, podSelector)
if err != nil {
return nil, err
}
podInfo.Warnings = event.GetPodsWarningEvents(indexer, pods)
result.Pods = podInfo
return result, nil
}
func DeleteDaemonSet(cli *kubernetes.Clientset, name, namespace string) error {
deletionPropagation := metaV1.DeletePropagationBackground
return cli.ExtensionsV1beta1().
DaemonSets(namespace).
Delete(name, &metaV1.DeleteOptions{PropagationPolicy: &deletionPropagation})
}