152 lines
4.0 KiB
Go
152 lines
4.0 KiB
Go
/*
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Copyright 2019 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubectl
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import (
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"fmt"
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"kubesphere.io/kubesphere/pkg/models"
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"kubesphere.io/kubesphere/pkg/simple/client/k8s"
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"math/rand"
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"github.com/golang/glog"
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"k8s.io/api/apps/v1beta2"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/api/errors"
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"kubesphere.io/kubesphere/pkg/constants"
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)
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const (
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namespace = constants.KubeSphereControlNamespace
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)
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func GetKubectlPod(username string) (models.PodInfo, error) {
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k8sClient := k8s.Client()
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deploy, err := k8sClient.AppsV1beta2().Deployments(namespace).Get(username, metav1.GetOptions{})
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if err != nil {
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glog.Errorln(err)
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return models.PodInfo{}, err
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}
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selectors := deploy.Spec.Selector.MatchLabels
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labelSelector := labels.Set(selectors).AsSelector().String()
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podList, err := k8sClient.CoreV1().Pods(namespace).List(metav1.ListOptions{LabelSelector: labelSelector})
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if err != nil {
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glog.Errorln(err)
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return models.PodInfo{}, err
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}
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pod, err := selectCorrectPod(namespace, podList.Items)
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if err != nil {
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glog.Errorln(err)
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return models.PodInfo{}, err
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}
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info := models.PodInfo{Namespace: pod.Namespace, Pod: pod.Name, Container: pod.Status.ContainerStatuses[0].Name}
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return info, nil
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}
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func selectCorrectPod(namespace string, pods []v1.Pod) (kubectlPod v1.Pod, err error) {
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var kubectlPodList []v1.Pod
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for _, pod := range pods {
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for _, condition := range pod.Status.Conditions {
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if condition.Type == "Ready" && condition.Status == "True" {
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kubectlPodList = append(kubectlPodList, pod)
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}
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}
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}
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if len(kubectlPodList) < 1 {
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err = fmt.Errorf("cannot find valid kubectl pod in namespace:%s", namespace)
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return v1.Pod{}, err
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}
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random := rand.Intn(len(kubectlPodList))
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return kubectlPodList[random], nil
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}
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func CreateKubectlDeploy(user string) error {
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k8sClient := k8s.Client()
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_, err := k8sClient.AppsV1().Deployments(namespace).Get(user, metav1.GetOptions{})
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if err == nil {
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return nil
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}
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replica := int32(1)
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selector := metav1.LabelSelector{MatchLabels: map[string]string{"user": user}}
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config := v1.ConfigMapVolumeSource{Items: []v1.KeyToPath{{Key: "config", Path: "config"}}, LocalObjectReference: v1.LocalObjectReference{Name: user}}
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deployment := v1beta2.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: user,
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},
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Spec: v1beta2.DeploymentSpec{
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Replicas: &replica,
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Selector: &selector,
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"user": user,
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{Name: "kubectl",
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Image: "",
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VolumeMounts: []v1.VolumeMount{{Name: "kubeconfig", MountPath: "/root/.kube"}},
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},
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},
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Volumes: []v1.Volume{{Name: "kubeconfig", VolumeSource: v1.VolumeSource{ConfigMap: &config}}},
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},
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},
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},
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}
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_, err = k8sClient.AppsV1beta2().Deployments(namespace).Create(&deployment)
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return err
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}
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func DelKubectlDeploy(user string) error {
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k8sClient := k8s.Client()
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_, err := k8sClient.AppsV1beta2().Deployments(namespace).Get(user, metav1.GetOptions{})
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if errors.IsNotFound(err) {
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return nil
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}
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if err != nil {
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err := fmt.Errorf("delete user %s failed, reason:%v", user, err)
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return err
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}
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deletePolicy := metav1.DeletePropagationBackground
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err = k8sClient.AppsV1beta2().Deployments(namespace).Delete(user, &metav1.DeleteOptions{PropagationPolicy: &deletePolicy})
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if err != nil {
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err := fmt.Errorf("delete user %s failed, reason:%v", user, err)
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return err
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}
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return nil
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}
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