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cronjob.go
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cronjob.go
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package container
import (
"context"
"github.com/bytedance/Elkeid/server/manager/infra"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"time"
)
// 生成k8s数据
const KubeClusterSyncLock = "KubeClusterSyncLock"
func SetKubeData(setType string) {
c := context.Background()
kubeConfCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubeClusterConfig)
kubeClusterCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubeClusterInfo)
kubeNodeCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubeNodeInfo)
kubeWorkerCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubeWorkerInfo)
kubePodCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubePodInfo)
kubeContainerCol := infra.MongoClient.Database(infra.MongoDatabase).Collection(infra.KubeContainerInfo)
setData := func() {
writeOption := &options.BulkWriteOptions{}
writeOption.SetOrdered(false)
var kubeClusterWrites []mongo.WriteModel
var kubeNodeWrites []mongo.WriteModel
var kubeWorkerWrites []mongo.WriteModel
var kubePodWrites []mongo.WriteModel
var kubeContainerWrites []mongo.WriteModel
clusterConfigCur, _ := kubeConfCol.Find(c, bson.M{})
updateTime := time.Now().Unix()
for clusterConfigCur.Next(c) {
// 获取k8s句柄
var clusterConfig ClusterConfig
err := clusterConfigCur.Decode(&clusterConfig)
clusterId := clusterConfig.ClusterId
clientset, err := GetKubeClientSet(clusterConfig.KubeConfig)
if err != nil {
kubeConfBson := bson.M{}
if clusterConfig.ClusterStatus == ClusterStatusRunning {
kubeConfBson["cluster_status"] = ClusterStatusError
_, err = kubeClusterCol.UpdateOne(c, bson.M{"cluster_id": clusterConfig.ClusterId}, bson.M{"$set": bson.M{"cluster_status": ClusterStatusError}})
}
kubeConfBson["err_reason"] = err.Error()
_, err = kubeConfCol.UpdateOne(c, bson.M{"cluster_id": clusterConfig.ClusterId}, bson.M{"$set": kubeConfBson})
continue
} else {
if clusterConfig.ClusterStatus == ClusterStatusError {
_, err = kubeConfCol.UpdateOne(c, bson.M{"cluster_id": clusterConfig.ClusterId}, bson.M{"$set": bson.M{"cluster_status": ClusterStatusRunning}})
_, err = kubeClusterCol.UpdateOne(c, bson.M{"cluster_id": clusterConfig.ClusterId}, bson.M{"$set": bson.M{"cluster_status": ClusterStatusRunning}})
clusterConfig.ErrReason = ""
}
}
// 容器集群数据生成
var clusterInfo ClusterInfo
clusterInfo, err = getClusterInfo(c, clientset, clusterId)
clusterInfo.ClusterId = clusterId
clusterInfo.ClusterName = clusterConfig.ClusterName
clusterInfo.ClusterRegion = clusterConfig.ClusterRegion
clusterInfo.CreateTime = clusterConfig.CreateTime
clusterInfo.UpdateTime = updateTime
// 节点信息生成
nodeList, _ := getNodeListInfo(c, clientset)
clusterInfo.NodeNum = int64(len(nodeList))
for _, nodeInfo := range nodeList {
nodeInfo.ClusterId = clusterId
nodeInfo.ClusterName = clusterInfo.ClusterName
nodeInfo.ClusterRegion = clusterInfo.ClusterRegion
nodeInfo.UpdateTime = updateTime
model := mongo.NewUpdateOneModel().
SetFilter(bson.M{"node_id": nodeInfo.NodeId}).
SetUpdate(bson.M{"$set": nodeInfo}).SetUpsert(true)
kubeNodeWrites = append(kubeNodeWrites, model)
}
// 工作负载信息生成
workerList, _ := getWorkerListInfo(c, clientset)
clusterInfo.WorkerNum = int64(len(workerList))
for _, workerInfo := range workerList {
workerInfo.ClusterId = clusterId
workerInfo.UpdateTime = updateTime
model := mongo.NewUpdateOneModel().
SetFilter(bson.M{"worker_id": workerInfo.WorkerId}).
SetUpdate(bson.M{"$set": workerInfo}).SetUpsert(true)
kubeWorkerWrites = append(kubeWorkerWrites, model)
}
// pod,容器信息生成
podList, containerList, _ := getPodListInfo(c, clientset)
clusterInfo.PodNum = int64(len(podList))
for _, podInfo := range podList {
podInfo.ClusterId = clusterId
podInfo.UpdateTime = updateTime
model := mongo.NewUpdateOneModel().
SetFilter(bson.M{"pod_id": podInfo.PodId}).
SetUpdate(bson.M{"$set": podInfo}).SetUpsert(true)
kubePodWrites = append(kubePodWrites, model)
}
for _, containerInfo := range containerList {
containerInfo.ClusterId = clusterId
containerInfo.UpdateTime = updateTime
model := mongo.NewUpdateOneModel().
SetFilter(bson.M{"container_id": containerInfo.ContainerId}).
SetUpdate(bson.M{"$set": containerInfo}).SetUpsert(true)
kubeContainerWrites = append(kubeContainerWrites, model)
}
// 存储容器集群数据
model := mongo.NewUpdateOneModel().
SetFilter(bson.M{"cluster_id": clusterInfo.ClusterId}).
SetUpdate(bson.M{"$set": clusterInfo}).SetUpsert(true)
kubeClusterWrites = append(kubeClusterWrites, model)
}
// 插入新数据
_, err := kubeClusterCol.BulkWrite(c, kubeClusterWrites, writeOption)
_, err = kubeNodeCol.BulkWrite(c, kubeNodeWrites, writeOption)
_, err = kubeWorkerCol.BulkWrite(c, kubeWorkerWrites, writeOption)
_, err = kubePodCol.BulkWrite(c, kubePodWrites, writeOption)
_, err = kubeContainerCol.BulkWrite(c, kubeContainerWrites, writeOption)
// 清空历史数据
_, err = kubeClusterCol.DeleteMany(c, bson.M{"update_time": bson.M{"$ne": updateTime}})
_, err = kubeNodeCol.DeleteMany(c, bson.M{"update_time": bson.M{"$ne": updateTime}})
_, err = kubeWorkerCol.DeleteMany(c, bson.M{"update_time": bson.M{"$ne": updateTime}})
_, err = kubePodCol.DeleteMany(c, bson.M{"update_time": bson.M{"$ne": updateTime}})
_, err = kubeContainerCol.DeleteMany(c, bson.M{"update_time": bson.M{"$ne": updateTime}})
if err != nil {
return
}
}
switch setType {
case "crontab":
timer := time.NewTicker(time.Minute * time.Duration(5))
for {
select {
case <-timer.C:
lockSuccess, err := infra.Grds.SetNX(context.Background(), KubeClusterSyncLock, 1, time.Minute*time.Duration(5)).Result()
if err != nil || !lockSuccess {
return
} else {
setData()
_, err := infra.Grds.Del(context.Background(), KubeClusterSyncLock).Result()
if err != nil {
return
}
}
}
}
case "once":
lockSuccess, err := infra.Grds.SetNX(context.Background(), KubeClusterSyncLock, 1, time.Minute*time.Duration(5)).Result()
if err != nil || !lockSuccess {
return
} else {
setData()
_, err := infra.Grds.Del(context.Background(), KubeClusterSyncLock).Result()
if err != nil {
return
}
}
}
}