forked from Qihoo360/wayne
/
statefulset.go
84 lines (70 loc) · 2.73 KB
/
statefulset.go
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package statefulset
import (
"k8s.io/api/apps/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"github.com/Qihoo360/wayne/src/backend/client"
"github.com/Qihoo360/wayne/src/backend/client/api"
"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"
)
type Statefulset struct {
ObjectMeta common.ObjectMeta `json:"objectMeta"`
Pods common.PodInfo `json:"pods"`
}
// GetStatefulsetResource get StatefulSet resource statistics
func GetStatefulsetResource(cli client.ResourceHandler, statefulSet *v1beta1.StatefulSet) (*common.ResourceList, error) {
obj, err := cli.Get(api.ResourceNameStatefulSet, statefulSet.Namespace, statefulSet.Name)
if err != nil {
if errors.IsNotFound(err) {
return common.StatefulsetResourceList(statefulSet), nil
}
return nil, err
}
old := obj.(*v1beta1.StatefulSet)
oldResourceList := common.StatefulsetResourceList(old)
newResourceList := common.StatefulsetResourceList(statefulSet)
return &common.ResourceList{
Cpu: newResourceList.Cpu - oldResourceList.Cpu,
Memory: newResourceList.Memory - oldResourceList.Memory,
}, nil
}
func CreateOrUpdateStatefulset(cli *kubernetes.Clientset, statefulSet *v1beta1.StatefulSet) (*v1beta1.StatefulSet, error) {
old, err := cli.AppsV1beta1().StatefulSets(statefulSet.Namespace).Get(statefulSet.Name, metaV1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
return cli.AppsV1beta1().StatefulSets(statefulSet.Namespace).Create(statefulSet)
}
return nil, err
}
old.Labels = maps.MergeLabels(old.Labels, statefulSet.Labels)
oldTemplateLabels := old.Spec.Template.Labels
old.Spec = statefulSet.Spec
old.Spec.Template.Labels = maps.MergeLabels(oldTemplateLabels, statefulSet.Spec.Template.Labels)
return cli.AppsV1beta1().StatefulSets(statefulSet.Namespace).Update(old)
}
func GetStatefulsetDetail(cli *kubernetes.Clientset, indexer *client.CacheFactory, name, namespace string) (*Statefulset, error) {
statefulSet, err := cli.AppsV1beta1().StatefulSets(namespace).Get(name, metaV1.GetOptions{})
if err != nil {
return nil, err
}
result := &Statefulset{
ObjectMeta: common.NewObjectMeta(statefulSet.ObjectMeta),
}
podInfo := common.PodInfo{}
podInfo.Current = statefulSet.Status.ReadyReplicas
podInfo.Desired = *statefulSet.Spec.Replicas
pods, err := pod.ListKubePod(indexer, namespace, statefulSet.Spec.Template.Labels)
if err != nil {
return nil, err
}
podInfo.Warnings, err = event.GetPodsWarningEvents(indexer, pods)
if err != nil {
return nil, err
}
result.Pods = podInfo
return result, nil
}