382 lines
9.8 KiB
Go
382 lines
9.8 KiB
Go
/* Copyright © INFINI LTD. All rights reserved.
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* Web: https://infinilabs.com
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* Email: hello#infini.ltd */
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package api
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import (
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"context"
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"fmt"
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log "github.com/cihub/seelog"
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httprouter "infini.sh/framework/core/api/router"
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"infini.sh/framework/core/elastic"
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"infini.sh/framework/core/model"
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"infini.sh/framework/core/orm"
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"infini.sh/framework/core/util"
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"net/http"
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"time"
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)
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func refreshNodesInfo(inst *model.Instance) (*elastic.DiscoveryResult, error) {
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enrolledNodesByAgent, err := getEnrolledNodesByAgent(inst)
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if err != nil {
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return nil, fmt.Errorf("error on get binding nodes info: %w", err)
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}
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ctxTimeout, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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nodesInfo, err := GetElasticsearchNodesViaAgent(ctxTimeout, inst)
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if err != nil {
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//TODO return already biding nodes info ??
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return nil, fmt.Errorf("error on get nodes info from agent: %w", err)
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}
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for nodeID, node := range nodesInfo.Nodes {
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v, ok := enrolledNodesByAgent[nodeID]
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if ok {
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node.ClusterID = v.ClusterID
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node.Enrolled = true
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}
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}
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////not recognized by agent, need auth?
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//for _, node := range nodesInfo.UnknownProcess{
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// for _, v := range node.ListenAddresses {
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// //ask user to manual enroll this node
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// //check local credentials, if it works, get node info
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// }
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//}
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// {
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// //node was not recognized by agent, need auth?
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// if node.HttpPort != "" {
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// for _, v := range enrolledNodesByAgent {
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// if v.PublishAddress != "" {
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// if util.UnifyLocalAddress(v.PublishAddress) == util.UnifyLocalAddress(node.PublishAddress) {
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// node.ClusterID = v.ClusterID
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// node.ClusterName = v.ClusterName
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// node.NodeUUID = v.NodeUUID
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// node.ClusterUuid = v.ClusterUUID
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// node.NodeName = v.NodeName
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// node.Path.Home = v.PathHome
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// node.Path.Logs = v.PathLogs
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// node.AgentID = inst.ID
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// //TODO verify node info if the node id really match, need to fetch the credentials for agent
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// //or let manager sync configs to this agent, verify the node info after receiving the configs
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// //report any error along with this agent and node info
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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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//}
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return nodesInfo, nil
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}
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//get nodes info via agent
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func GetElasticsearchNodesViaAgent(ctx context.Context, instance *model.Instance) (*elastic.DiscoveryResult, error) {
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req := &util.Request{
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Method: http.MethodGet,
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Path: "/elasticsearch/nodes/_discovery",
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Context: ctx,
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}
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obj := elastic.DiscoveryResult{}
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err := doRequest(instance, req, &obj)
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if err != nil {
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return nil, err
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}
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return &obj, nil
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}
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func AuthESNode(ctx context.Context, agentBaseURL string, cfg elastic.ElasticsearchConfig) (*model.ESNodeInfo, error) {
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reqBody, err := util.ToJSONBytes(cfg)
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if err != nil {
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return nil, err
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}
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req := &util.Request{
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Method: http.MethodPost,
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Path: "/elasticsearch/_auth",
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Context: ctx,
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Body: reqBody,
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}
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resBody := &model.ESNodeInfo{}
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err = DoRequest(req, resBody)
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if err != nil {
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return nil, err
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}
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return resBody, nil
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}
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func getNodeByPidOrUUID(nodes map[int]*model.ESNodeInfo, pid int, uuid string, port string) *model.ESNodeInfo {
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if nodes[pid] != nil {
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return nodes[pid]
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}
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for _, node := range nodes {
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if node.NodeUUID != "" && node.NodeUUID == uuid {
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return node
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}
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}
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return nil
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}
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type BindingItem struct {
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ClusterName string `json:"cluster_name"`
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ClusterUUID string `json:"cluster_uuid"`
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NodeUUID string `json:"node_uuid"`
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PublishAddress string `json:"publish_address"`
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NodeName string `json:"node_name"`
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PathLogs string `json:"path_logs"`
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PathHome string `json:"path_home"`
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//infini system assigned id
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ClusterID string `json:"cluster_id"`
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}
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//node -> binding item
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func getEnrolledNodesByAgent(instance *model.Instance) (map[string]BindingItem, error) {
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//get nodes settings where agent id = instance id
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q := orm.Query{
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Size: 1000,
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Conds: orm.And(orm.Eq("metadata.category", "node_settings"),
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orm.Eq("metadata.name", "agent"),
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orm.Eq("metadata.labels.agent_id", instance.ID),
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),
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}
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err, result := orm.Search(model.Setting{}, &q)
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if err != nil {
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return nil, err
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}
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ids := map[string]BindingItem{}
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for _, row := range result.Result {
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v, ok := row.(map[string]interface{})
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if ok {
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x, ok := v["payload"]
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if ok {
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f, ok := x.(map[string]interface{})
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if ok {
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nodeID, ok := f["node_uuid"].(string)
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if ok {
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item := BindingItem{}
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item.ClusterID = util.ToString(f["cluster_id"])
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item.ClusterName = util.ToString(f["cluster_name"])
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item.ClusterUUID = util.ToString(f["cluster_uuid"])
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item.PublishAddress = util.ToString(f["publish_address"])
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item.NodeName = util.ToString(f["node_name"])
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item.PathHome = util.ToString(f["path_home"])
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item.PathLogs = util.ToString(f["path_logs"])
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item.NodeUUID = nodeID
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ids[item.NodeUUID] = item
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}
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}
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}
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}
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}
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return ids, nil
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}
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func getUnAssociateNodes() (map[string][]model.ESNodeInfo, error) {
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query := util.MapStr{
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"size": 3000,
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"query": util.MapStr{
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"bool": util.MapStr{
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"must_not": []util.MapStr{
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{
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"exists": util.MapStr{
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"field": "cluster_id",
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},
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},
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},
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},
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},
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}
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q := orm.Query{
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RawQuery: util.MustToJSONBytes(query),
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}
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err, result := orm.Search(model.ESNodeInfo{}, &q)
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if err != nil {
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return nil, err
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}
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nodesInfo := map[string][]model.ESNodeInfo{}
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for _, row := range result.Result {
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node := model.ESNodeInfo{}
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buf := util.MustToJSONBytes(row)
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util.MustFromJSONBytes(buf, &node)
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nodesInfo[node.AgentID] = append(nodesInfo[node.AgentID], node)
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}
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return nodesInfo, nil
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}
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func GetElasticLogFiles(ctx context.Context, instance *model.Instance, logsPath string) (interface{}, error) {
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reqBody := util.MustToJSONBytes(util.MapStr{
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"logs_path": logsPath,
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})
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req := &util.Request{
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Method: http.MethodPost,
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Path: "/elasticsearch/logs/_list",
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Context: ctx,
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Body: reqBody,
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}
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resBody := map[string]interface{}{}
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err := doRequest(instance, req, &resBody)
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if err != nil {
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return nil, err
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}
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if resBody["success"] != true {
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return nil, fmt.Errorf("get elasticsearch log files error: %v", resBody)
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}
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return resBody["result"], nil
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}
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func GetElasticLogFileContent(ctx context.Context, instance *model.Instance, body interface{}) (interface{}, error) {
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req := &util.Request{
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Method: http.MethodPost,
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Path: "/elasticsearch/logs/_read",
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Context: ctx,
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Body: util.MustToJSONBytes(body),
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}
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resBody := map[string]interface{}{}
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err := doRequest(instance, req, &resBody)
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if err != nil {
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return nil, err
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}
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if resBody["success"] != true {
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return nil, fmt.Errorf("get elasticsearch log files error: %v", resBody["error"])
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}
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var hasMore bool
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if v, ok := resBody["EOF"].(bool); ok && !v {
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hasMore = true
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}
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return map[string]interface{}{
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"lines": resBody["result"],
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"has_more": hasMore,
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}, nil
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}
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func (h *APIHandler) getLogFilesByNode(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
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nodeID := ps.MustGetParameter("node_id")
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inst, pathLogs, err := getAgentByNodeID(nodeID)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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log.Error(err)
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return
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}
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if inst == nil {
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log.Error(fmt.Sprintf("can not find agent by node [%s]", nodeID))
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h.WriteJSON(w, util.MapStr{
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"success": false,
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"reason": "AGENT_NOT_FOUND",
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}, http.StatusOK)
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return
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}
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logFiles, err := GetElasticLogFiles(nil, inst, pathLogs)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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log.Error(err)
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return
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}
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h.WriteJSON(w, util.MapStr{
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"success": true,
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"log_files": logFiles,
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}, http.StatusOK)
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}
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func (h *APIHandler) getLogFileContent(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
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nodeID := ps.MustGetParameter("node_id")
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inst, pathLogs, err := getAgentByNodeID(nodeID)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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log.Error(err)
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return
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}
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if inst == nil {
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h.WriteError(w, fmt.Sprintf("can not find agent by node [%s]", nodeID), http.StatusInternalServerError)
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return
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}
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reqBody := struct {
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FileName string `json:"file_name"`
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LogsPath string `json:"logs_path"`
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Offset int `json:"offset"`
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Lines int `json:"lines"`
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StartLineNumber int64 `json:"start_line_number"`
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}{}
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err = h.DecodeJSON(req, &reqBody)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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log.Error(err)
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return
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}
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reqBody.LogsPath = pathLogs
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res, err := GetElasticLogFileContent(nil, inst, reqBody)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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log.Error(err)
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return
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}
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h.WriteJSON(w, res, http.StatusOK)
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}
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//instance, pathLogs
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func getAgentByNodeID(nodeID string) (*model.Instance, string, error) {
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q := orm.Query{
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Size: 1000,
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Conds: orm.And(orm.Eq("metadata.category", "node_settings"),
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orm.Eq("metadata.name", "agent"),
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orm.Eq("payload.node_uuid", nodeID),
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),
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}
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err, result := orm.Search(model.Setting{}, &q)
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if err != nil {
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return nil, "", err
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}
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for _, row := range result.Result {
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v, ok := row.(map[string]interface{})
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if ok {
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pathLogs := ""
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payload, ok := v["payload"]
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if ok {
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payloadMap, ok := payload.(map[string]interface{})
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if ok {
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pathLogs = util.ToString(payloadMap["path_logs"])
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}
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}
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x, ok := v["metadata"]
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if ok {
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f, ok := x.(map[string]interface{})
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if ok {
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labels, ok := f["labels"].(map[string]interface{})
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if ok {
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id, ok := labels["agent_id"]
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if ok {
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inst := &model.Instance{}
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inst.ID = util.ToString(id)
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_, err = orm.Get(inst)
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if err != nil {
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return nil, pathLogs, err
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}
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if inst.Name == "" {
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return nil, pathLogs, nil
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}
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return inst, pathLogs, nil
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}
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}
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}
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}
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}
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}
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return nil, "", nil
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}
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