mirror of
https://github.com/labring/sealos.git
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125 lines
3.5 KiB
Go
125 lines
3.5 KiB
Go
// Copyright © 2021 cuisongliu@qq.com.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package checker
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// nosemgrep: go.lang.security.audit.xss.import-text-template.import-text-template
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import (
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"context"
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"errors"
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"os"
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"time"
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v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/labring/sealos/pkg/client-go/kubernetes"
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"github.com/labring/sealos/pkg/constants"
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"github.com/labring/sealos/pkg/template"
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v2 "github.com/labring/sealos/pkg/types/v1beta1"
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"github.com/labring/sealos/pkg/utils/logger"
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)
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type ClusterChecker struct {
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}
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type ClusterStatus struct {
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IP string
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Node string
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KubeAPIServer string
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KubeControllerManager string
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KubeScheduler string
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KubeletErr string
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}
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func (n *ClusterChecker) Check(cluster *v2.Cluster, phase string) error {
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if phase != PhasePost {
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return nil
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}
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// checker if all the node is ready
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data := constants.NewData(cluster.Name)
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c, err := kubernetes.NewKubernetesClient(data.AdminFile(), "")
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if err != nil {
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return err
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}
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ke := kubernetes.NewKubeExpansion(c.Kubernetes())
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nodes, err := c.Kubernetes().CoreV1().Nodes().List(context.Background(), v1.ListOptions{})
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if err != nil {
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return err
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}
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healthyClient := kubernetes.NewKubeHealthy(c.Kubernetes(), 30*time.Second)
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var NodeList []ClusterStatus
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ctx := context.Background()
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for _, node := range nodes.Items {
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ip, _ := getNodeStatus(node)
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cStatus := ClusterStatus{
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IP: ip,
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Node: node.Name,
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}
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apiPod, err := ke.FetchStaticPod(ctx, node.Name, kubernetes.KubeAPIServer)
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if err != nil {
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return err
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}
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cStatus.KubeAPIServer = healthyClient.ForHealthyPod(apiPod)
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controllerPod, err := ke.FetchStaticPod(ctx, node.Name, kubernetes.KubeControllerManager)
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if err != nil {
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return err
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}
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cStatus.KubeControllerManager = healthyClient.ForHealthyPod(controllerPod)
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schedulerPod, err := ke.FetchStaticPod(ctx, node.Name, kubernetes.KubeScheduler)
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if err != nil {
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return err
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}
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cStatus.KubeScheduler = healthyClient.ForHealthyPod(schedulerPod)
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if err = healthyClient.ForHealthyKubelet(5*time.Second, ip); err != nil {
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cStatus.KubeletErr = err.Error()
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} else {
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cStatus.KubeletErr = Nil
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}
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NodeList = append(NodeList, cStatus)
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}
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return n.Output(NodeList)
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}
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func (n *ClusterChecker) Output(clusterStatus []ClusterStatus) error {
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tpl, isOk, err := template.TryParse(`
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Cluster Status
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Node List:
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{{- range .ClusterStatusList }}
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NodeName: {{ .Node }}
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NodeIP: {{ .IP }}
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KubeAPIServer: {{ .KubeAPIServer }}
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KubeControllerManager: {{ .KubeControllerManager }}
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KubeScheduler: {{ .KubeScheduler }}
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KubeletErr: {{.KubeletErr}}
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{{- end }}
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`)
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if err != nil || !isOk {
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if err != nil {
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logger.Error("failed to render cluster checkers template. error: %s", err.Error())
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return err
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}
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return errors.New("convert cluster template failed")
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}
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return tpl.Execute(os.Stdout, map[string][]ClusterStatus{"ClusterStatusList": clusterStatus})
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}
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func NewClusterChecker() Interface {
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return &ClusterChecker{}
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}
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