/
generic.go
213 lines (178 loc) · 5.69 KB
/
generic.go
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package client
/*import (
"fmt"
"io"
"strings"
appsv1 "k8s.io/api/apps/v1"
appsv1beta1 "k8s.io/api/apps/v1beta1"
appsv1beta2 "k8s.io/api/apps/v1beta2"
batch "k8s.io/api/batch/v1"
"k8s.io/api/core/v1"
extv1beta1 "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/api/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/cli-runtime/pkg/resource"
"k8s.io/client-go/kubernetes/scheme"
//"k8s.io/helm/pkg/kube"
"yunion.io/x/log"
"yunion.io/x/kubecomps/pkg/kubeserver/types/api"
)
type GenericClient struct {
*kube.Client
}
func NewGetter(kubeconfig string) (*GenericConfig, error) {
return NewGenericConfig(kubeconfig)
}
func NewGeneric(kubeconfig string) (*GenericClient, error) {
getter, err := NewGetter(kubeconfig)
if err != nil {
return nil, err
}
cli := &GenericClient{
Client: kube.New(getter),
}
return cli, nil
}
func (c *GenericClient) Get(namespace string, reader io.Reader) (map[string][]runtime.Object, error) {
// Since we don't know what order the objects come in, let's group them by the types, so
// that when we print them, they come out looking good (headers apply to subgroups, etc.).
objs := make(map[string][]runtime.Object)
infos, err := c.BuildUnstructured(namespace, reader)
if err != nil {
return nil, err
}
var objPods = make(map[string][]v1.Pod)
missing := []string{}
err = processResource(infos, func(info *resource.Info) error {
log.Debugf("Doing get for %s: %q", info.Mapping.GroupVersionKind.Kind, info.Name)
if err := info.Get(); err != nil {
log.Warningf("Failed get for resource %q: %s", info.Name, err)
missing = append(missing, fmt.Sprintf("%v\t\t%s", info.Mapping.Resource, info.Name))
return nil
}
// Use APIVersion/Kind as grouping mechanism. I'm not sure if you can have multiple
// versions per cluster, but this certainly won't hurt anything, so let's be safe
gvk := info.ResourceMapping().GroupVersionKind
//vk := gvk.Version + "/" + gvk.Kind
//objs[vk] = append(objs[vk], asVersioned(info))
kind := strings.ToLower(gvk.Kind)
objs[kind] = append(objs[kind], asVersioned(info))
//Get the relation pods
objPods, err = c.getSelectRelationPod(info, objPods)
if err != nil {
log.Warningf("get the relation pod is failed, err: %v", err)
}
return nil
})
if err != nil {
return nil, err
}
//here, we will add the objPods to the objs
for key, podItems := range objPods {
for i := range podItems {
objs[key] = append(objs[key], &podItems[i])
}
}
return objs, nil
}
func processResource(infos kube.Result, fn kube.ResourceActorFunc) error {
if len(infos) == 0 {
return kube.ErrNoObjectsVisited
}
for _, info := range infos {
if err := fn(info); err != nil {
return err
}
}
return nil
}
func asVersioned(info *resource.Info) runtime.Object {
converter := runtime.ObjectConvertor(scheme.Scheme)
groupVersioner := runtime.GroupVersioner(schema.GroupVersions(scheme.Scheme.PrioritizedVersionsAllGroups()))
if info.Mapping != nil {
groupVersioner = info.Mapping.GroupVersionKind.GroupVersion()
}
if obj, err := converter.ConvertToVersion(info.Object, groupVersioner); err == nil {
return obj
}
return info.Object
}
//get a kubernetes resources' relation pods
// kubernetes resource used select labels to relate pods
func (c *GenericClient) getSelectRelationPod(info *resource.Info, objPods map[string][]v1.Pod) (map[string][]v1.Pod, error) {
if info == nil {
return objPods, nil
}
log.Debugf("get relation pod of object: %s/%s/%s", info.Namespace, info.Mapping.GroupVersionKind.Kind, info.Name)
versioned := asVersioned(info)
selector, ok := getSelectorFromObject(versioned)
if !ok {
return objPods, nil
}
client, _ := c.KubernetesClientSet()
pods, err := client.CoreV1().Pods(info.Namespace).List(metav1.ListOptions{
FieldSelector: fields.Everything().String(),
LabelSelector: labels.Set(selector).AsSelector().String(),
})
if err != nil {
return objPods, err
}
for _, pod := range pods.Items {
if pod.APIVersion == "" {
pod.APIVersion = "v1"
}
if pod.Kind == "" {
pod.Kind = api.ResourceKindPod
}
//vk := pod.GroupVersionKind().Version + "/" + pod.GroupVersionKind().Kind
if !isFoundPod(objPods[pod.Kind], pod) {
objPods[pod.Kind] = append(objPods[pod.Kind], pod)
}
}
return objPods, nil
}
func getSelectorFromObject(obj runtime.Object) (map[string]string, bool) {
switch typed := obj.(type) {
case *v1.ReplicationController:
return typed.Spec.Selector, true
case *extv1beta1.ReplicaSet:
return typed.Spec.Selector.MatchLabels, true
case *appsv1.ReplicaSet:
return typed.Spec.Selector.MatchLabels, true
case *extv1beta1.Deployment:
return typed.Spec.Selector.MatchLabels, true
case *appsv1beta1.Deployment:
return typed.Spec.Selector.MatchLabels, true
case *appsv1beta2.Deployment:
return typed.Spec.Selector.MatchLabels, true
case *appsv1.Deployment:
return typed.Spec.Selector.MatchLabels, true
case *extv1beta1.DaemonSet:
return typed.Spec.Selector.MatchLabels, true
case *appsv1beta2.DaemonSet:
return typed.Spec.Selector.MatchLabels, true
case *appsv1.DaemonSet:
return typed.Spec.Selector.MatchLabels, true
case *batch.Job:
return typed.Spec.Selector.MatchLabels, true
case *appsv1beta1.StatefulSet:
return typed.Spec.Selector.MatchLabels, true
case *appsv1beta2.StatefulSet:
return typed.Spec.Selector.MatchLabels, true
case *appsv1.StatefulSet:
return typed.Spec.Selector.MatchLabels, true
default:
return nil, false
}
}
func isFoundPod(podItem []v1.Pod, pod v1.Pod) bool {
for _, value := range podItem {
if (value.Namespace == pod.Namespace) && (value.Name == pod.Name) {
return true
}
}
return false
}*/