mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-11 07:39:38 +08:00
346 lines
9.7 KiB
Go
346 lines
9.7 KiB
Go
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// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2017 Goodrain Co., Ltd.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package status
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import (
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"github.com/goodrain/rainbond/cmd/worker/option"
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"github.com/goodrain/rainbond/pkg/db"
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"github.com/goodrain/rainbond/pkg/db/model"
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"context"
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"strings"
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"sync"
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"time"
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"github.com/jinzhu/gorm"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/clientcmd"
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"github.com/Sirupsen/logrus"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// These are the available operation types.
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const (
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RUNNING string = "running"
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CLOSED = "closed"
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STARTING = "starting"
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STOPPING = "stopping"
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CHECKING = "checking"
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//运行异常
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ABNORMAL = "abnormal"
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//升级中
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UPGRADE = "upgrade"
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UNDEPLOY = "undeploy"
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)
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//ServiceStatusManager 应用运行状态控制器
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type ServiceStatusManager interface {
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SetStatus(serviceID, status string) error
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GetStatus(serviceID string) (string, error)
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CheckStatus(serviceID string)
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Start() error
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Stop() error
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SyncStatus()
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IgnoreDelete(name string)
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RmIgnoreDelete(name string)
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}
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type statusManager struct {
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c option.Config
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stopChan chan struct{}
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Ctx context.Context
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Cancel context.CancelFunc
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ClientSet *kubernetes.Clientset
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StatefulSetUpdateChan chan StatefulSetUpdate
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RCUpdateChan chan RCUpdate
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DeploymentUpdateChan chan DeploymentUpdate
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checkChan chan string
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ignoreDelete map[string]string
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ignoreLock sync.Mutex
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}
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//NewManager 创建一个应用运行状态控制器
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func NewManager(conf option.Config) ServiceStatusManager {
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ctx, cancel := context.WithCancel(context.Background())
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kubeconfig := conf.KubeConfig
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config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
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if err != nil {
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logrus.Error(err)
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}
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clientset, err := kubernetes.NewForConfig(config)
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if err != nil {
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logrus.Error(err)
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}
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logrus.Info("Kube client api create success.")
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return &statusManager{
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c: conf,
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Ctx: ctx,
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stopChan: make(chan struct{}),
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Cancel: cancel,
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ClientSet: clientset,
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RCUpdateChan: make(chan RCUpdate, 10),
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DeploymentUpdateChan: make(chan DeploymentUpdate, 10),
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StatefulSetUpdateChan: make(chan StatefulSetUpdate, 10),
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checkChan: make(chan string, 20),
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ignoreDelete: make(map[string]string),
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}
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}
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func (s *statusManager) SetStatus(serviceID, status string) error {
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if err := db.GetManager().TenantServiceStatusDao().SetTenantServiceStatus(serviceID, status); err != nil {
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logrus.Error("set application status error.", err.Error())
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return err
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}
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if err := db.GetManager().TenantServiceDao().SetTenantServiceStatus(serviceID, status); err != nil {
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logrus.Error("set application service status error.", err.Error())
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return err
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}
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return nil
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}
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func (s *statusManager) GetStatus(serviceID string) (string, error) {
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status, err := db.GetManager().TenantServiceStatusDao().GetTenantServiceStatus(serviceID)
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if err != nil {
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return "", err
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}
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if status != nil {
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return status.Status, nil
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}
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//历史数据兼容
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service, err := db.GetManager().TenantServiceDao().GetServiceByID(serviceID)
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if err != nil {
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return "", err
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}
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return service.CurStatus, nil
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}
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func (s *statusManager) Start() error {
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logrus.Info("status manager starting...")
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go s.checkStatus()
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go s.handleUpdate()
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NewSourceAPI(s.ClientSet.Core().RESTClient(),
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s.ClientSet.AppsV1beta1().RESTClient(),
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15*time.Minute,
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s.RCUpdateChan,
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s.DeploymentUpdateChan,
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s.StatefulSetUpdateChan,
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s.stopChan,
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)
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logrus.Info("status manager started")
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return nil
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}
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func (s *statusManager) handleUpdate() {
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for {
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select {
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case <-s.Ctx.Done():
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return
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case update := <-s.RCUpdateChan:
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s.handleRCUpdate(update)
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case update := <-s.DeploymentUpdateChan:
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s.handleDeploymentUpdate(update)
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case update := <-s.StatefulSetUpdateChan:
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s.handleStatefulUpdate(update)
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}
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}
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}
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func (s *statusManager) checkStatus() {
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for {
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select {
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case <-s.Ctx.Done():
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return
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case serviceID := <-s.checkChan:
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deployInfo, err := db.GetManager().K8sDeployReplicationDao().GetK8sDeployReplicationByService(serviceID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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s.SetStatus(serviceID, CLOSED)
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continue
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}
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logrus.Error("get deploy info error where check application status.", err.Error())
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continue
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}
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if deployInfo == nil || len(deployInfo) == 0 {
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logrus.Info("deployInfo is nil or length is 0.")
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s.SetStatus(serviceID, CLOSED)
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continue
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}
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switch deployInfo[0].ReplicationType {
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case model.TypeDeployment:
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for i := 0; i < 3; i++ {
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d, err := s.ClientSet.AppsV1beta1().Deployments(deployInfo[0].TenantID).Get(deployInfo[0].ReplicationID, metav1.GetOptions{})
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if err != nil {
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if strings.HasSuffix(err.Error(), "not found") {
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s.SetStatus(serviceID, CLOSED)
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break
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} else {
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logrus.Error("get Deployment info from k8s error when check app status.", err.Error())
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time.Sleep(time.Second * 2)
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continue
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}
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} else {
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if d.Status.ReadyReplicas >= d.Status.Replicas {
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s.SetStatus(serviceID, RUNNING)
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break
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} else {
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s.SetStatus(serviceID, ABNORMAL)
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break
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}
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}
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}
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case model.TypeReplicationController:
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for i := 0; i < 3; i++ {
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d, err := s.ClientSet.Core().ReplicationControllers(deployInfo[0].TenantID).Get(deployInfo[0].ReplicationID, metav1.GetOptions{})
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if err != nil {
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if strings.HasSuffix(err.Error(), "not found") {
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s.SetStatus(serviceID, CLOSED)
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break
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} else {
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logrus.Error("get ReplicationControllers info from k8s error when check app status.", err.Error())
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time.Sleep(time.Second * 2)
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continue
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}
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} else {
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if d.Status.ReadyReplicas >= d.Status.Replicas {
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s.SetStatus(serviceID, RUNNING)
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break
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} else {
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s.SetStatus(serviceID, ABNORMAL)
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break
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}
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}
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}
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case model.TypeStatefulSet:
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for i := 0; i < 3; i++ {
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d, err := s.ClientSet.AppsV1beta1().StatefulSets(deployInfo[0].TenantID).Get(deployInfo[0].ReplicationID, metav1.GetOptions{})
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if err != nil {
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if strings.HasSuffix(err.Error(), "not found") {
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s.SetStatus(serviceID, CLOSED)
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break
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} else {
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logrus.Error("get StatefulSets info from k8s error when check app status.", err.Error())
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time.Sleep(time.Second * 2)
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continue
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}
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} else {
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readycount := s.getReadyCount(d.Namespace,
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d.Labels["name"], d.Labels["version"])
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if readycount >= d.Status.Replicas {
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s.SetStatus(serviceID, RUNNING)
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break
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} else {
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s.SetStatus(serviceID, ABNORMAL)
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}
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}
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break
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}
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default:
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for i := 0; i < 3; i++ {
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d, err := s.ClientSet.Core().ReplicationControllers(deployInfo[0].TenantID).Get(deployInfo[0].ReplicationID, metav1.GetOptions{})
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if err != nil {
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if strings.HasSuffix(err.Error(), "not found") {
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s.SetStatus(serviceID, CLOSED)
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break
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} else {
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logrus.Error("get ReplicationControllers info from k8s error when check app status.", err.Error())
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time.Sleep(time.Second * 2)
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continue
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}
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} else {
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if d.Status.ReadyReplicas >= d.Status.Replicas {
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s.SetStatus(serviceID, RUNNING)
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break
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}
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}
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break
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}
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}
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}
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}
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}
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func (s *statusManager) CheckStatus(serviceID string) {
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select {
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case s.checkChan <- serviceID:
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default:
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}
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}
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//Stop 停止
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func (s *statusManager) Stop() error {
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logrus.Info("Source manager is stoping.")
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close(s.stopChan)
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s.Cancel()
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return nil
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}
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func (s *statusManager) SaveDeployInfo(serviceID, tenantID, deployVersion, replicationID, replicationType string) (*model.K8sDeployReplication, error) {
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deploy := &model.K8sDeployReplication{
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TenantID: tenantID,
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ServiceID: serviceID,
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ReplicationID: replicationID,
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ReplicationType: replicationType,
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DeployVersion: deployVersion,
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}
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err := db.GetManager().K8sDeployReplicationDao().AddModel(deploy)
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if err != nil {
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logrus.Error("Try to save deploy information failed.", err.Error())
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return nil, err
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}
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return deploy, nil
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}
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func (s *statusManager) SyncStatus() {
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all, err := db.GetManager().TenantServiceStatusDao().GetRunningService()
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if err != nil {
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logrus.Error("get all running and starting service error")
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return
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}
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if len(all) > 0 {
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for _, sta := range all {
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s.CheckStatus(sta.ServiceID)
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}
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}
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}
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func (s *statusManager) IgnoreDelete(name string) {
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s.ignoreLock.Lock()
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defer s.ignoreLock.Unlock()
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s.ignoreDelete[name] = name
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}
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func (s *statusManager) isIgnoreDelete(name string) bool {
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s.ignoreLock.Lock()
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defer s.ignoreLock.Unlock()
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if _, ok := s.ignoreDelete[name]; ok {
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return true
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}
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return false
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}
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func (s *statusManager) RmIgnoreDelete(name string) {
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s.ignoreLock.Lock()
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defer s.ignoreLock.Unlock()
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if _, ok := s.ignoreDelete[name]; ok {
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delete(s.ignoreDelete, name)
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}
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}
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