585 lines
15 KiB
Go
585 lines
15 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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"bytes"
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"context"
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"errors"
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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/global"
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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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common2 "infini.sh/framework/modules/elastic/common"
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"infini.sh/framework/plugins/managed/common"
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"infini.sh/framework/plugins/managed/server"
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"net/http"
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"net/url"
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"sync"
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"time"
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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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t, ok := v["updated"]
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if ok {
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layout := "2006-01-02T15:04:05.999999-07:00"
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t1, err := time.Parse(layout, util.ToString(t))
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if err == nil {
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item.Updated = t1.Unix()
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}
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}
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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 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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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/node/_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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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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Updated int64 `json:"updated"`
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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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type ClusterInfo struct {
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ClusterIDs []string `json:"cluster_id"`
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}
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func (h *APIHandler) discoveryESNodesInfo(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
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id := ps.MustGetParameter("instance_id")
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instance := model.Instance{}
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instance.ID = id
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exists, err := orm.Get(&instance)
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if !exists || err != nil {
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h.WriteJSON(w, util.MapStr{
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"_id": id,
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"found": false,
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}, http.StatusNotFound)
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return
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}
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nodes, err := refreshNodesInfo(&instance)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if len(nodes.UnknownProcess) > 0 {
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var discoveredPIDs map[int]*elastic.LocalNodeInfo = make(map[int]*elastic.LocalNodeInfo)
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if req.Method == "POST" {
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bytes, err := h.GetRawBody(req)
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if err != nil {
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panic(err)
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}
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if len(bytes) > 0 {
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clusterInfo := ClusterInfo{}
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util.FromJSONBytes(bytes, &clusterInfo)
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if len(clusterInfo.ClusterIDs) > 0 {
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//try connect this node to cluster by using this cluster's agent credential
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for _, clusterID := range clusterInfo.ClusterIDs {
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meta := elastic.GetMetadata(clusterID)
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if meta != nil {
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if meta.Config.AgentCredentialID != "" {
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auth, err := common2.GetAgentBasicAuth(meta.Config)
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if err != nil {
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panic(err)
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}
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if auth != nil {
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//try connect
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for _, node := range nodes.UnknownProcess {
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for _, v := range node.ListenAddresses {
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ip := v.IP
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if util.ContainStr(v.IP, "::") {
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ip = fmt.Sprintf("[%s]", v.IP)
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}
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nodeHost := fmt.Sprintf("%s:%d", ip, v.Port)
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success, tryAgain, nodeInfo := h.getESNodeInfoViaProxy(nodeHost, "http", auth, instance)
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if !success && tryAgain {
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//try https again
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success, tryAgain, nodeInfo = h.getESNodeInfoViaProxy(nodeHost, "https", auth, instance)
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}
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if success {
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log.Error("connect to es node success:", nodeHost)
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discoveredPIDs[node.PID] = nodeInfo
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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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}
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}
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}
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}
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newUnknownProcess := []model.ProcessInfo{}
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if len(discoveredPIDs) > 0 {
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for _, node := range nodes.UnknownProcess {
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if item, ok := discoveredPIDs[node.PID]; !ok {
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newUnknownProcess = append(newUnknownProcess, node)
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} else {
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nodes.Nodes[item.NodeUUID] = item
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}
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}
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nodes.UnknownProcess = newUnknownProcess
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}
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}
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h.WriteJSON(w, nodes, http.StatusOK)
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}
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func (h *APIHandler) getESNodeInfoViaProxy(host string, schema string, auth *model.BasicAuth, instance model.Instance) (success, tryAgain bool, info *elastic.LocalNodeInfo) {
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esConfig := elastic.ElasticsearchConfig{Host: host, Schema: schema, BasicAuth: auth}
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body := util.MustToJSONBytes(esConfig)
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res, err := server.ProxyRequestToRuntimeInstance(instance.GetEndpoint(), "POST", "/elasticsearch/node/_info",
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body, int64(len(body)), auth)
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if err != nil {
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panic(err)
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}
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if global.Env().IsDebug {
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if res != nil { // && res.StatusCode==http.StatusOK
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log.Debug(string(res.Body))
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}
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}
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if res != nil && res.StatusCode == http.StatusForbidden {
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return false, false, nil
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}
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if res != nil && res.StatusCode == http.StatusOK {
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node := elastic.LocalNodeInfo{}
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err := util.FromJSONBytes(res.Body, &node)
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if err != nil {
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panic(err)
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}
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return true, false, &node
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}
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return false, true, nil
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}
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func NewClusterSettings(clusterID string) *model.Setting {
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settings := model.Setting{
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Metadata: model.Metadata{
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Category: Cluster,
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},
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}
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settings.ID = fmt.Sprintf("%v_%v_%v", settings.Metadata.Category, settings.Metadata.Name, clusterID)
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settings.Metadata.Labels = util.MapStr{
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"cluster_id": clusterID,
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}
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return &settings
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}
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func NewNodeAgentSettings(instanceID string, item *BindingItem) *model.Setting {
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settings := model.Setting{
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Metadata: model.Metadata{
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Category: Node,
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Name: "agent",
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},
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}
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settings.ID = fmt.Sprintf("%v_%v_%v", settings.Metadata.Category, settings.Metadata.Name, item.NodeUUID)
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settings.Metadata.Labels = util.MapStr{
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"agent_id": instanceID,
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}
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settings.Payload = util.MapStr{
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"cluster_id": item.ClusterID,
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"cluster_name": item.ClusterName,
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"cluster_uuid": item.ClusterUUID,
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"node_uuid": item.NodeUUID,
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"publish_address": item.PublishAddress,
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"node_name": item.NodeName,
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"path_home": item.PathHome,
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"path_logs": item.PathLogs,
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}
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return &settings
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}
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func NewIndexSettings(clusterID, nodeID, agentID, indexName, indexID string) *model.Setting {
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settings := model.Setting{
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Metadata: model.Metadata{
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Category: Index,
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},
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}
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settings.ID = fmt.Sprintf("%v_%v_%v", settings.Metadata.Category, settings.Metadata.Name, nodeID)
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settings.Metadata.Labels = util.MapStr{
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"cluster_id": clusterID,
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"node_id": nodeID,
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"agent_id": agentID,
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"index_name": indexName,
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"index_id": indexID,
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}
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return &settings
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}
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const Cluster = "cluster_settings"
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const Node = "node_settings"
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const Index = "index_settings"
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func (h *APIHandler) revokeESNode(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
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//agent id
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instID := ps.MustGetParameter("instance_id")
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item := BindingItem{}
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err := h.DecodeJSON(req, &item)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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return
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}
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settings := NewNodeAgentSettings(instID, &item)
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err = orm.Delete(&orm.Context{
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Refresh: "wait_for",
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}, settings)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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return
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}
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h.WriteAckOKJSON(w)
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}
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func (h *APIHandler) enrollESNode(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
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|
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//agent id
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instID := ps.MustGetParameter("instance_id")
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|
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//node id and cluster id
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item := BindingItem{}
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err := h.DecodeJSON(req, &item)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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return
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}
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|
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//update node's setting
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settings := NewNodeAgentSettings(instID, &item)
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err = orm.Update(&orm.Context{
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Refresh: "wait_for",
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}, settings)
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if err != nil {
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h.WriteError(w, err.Error(), http.StatusInternalServerError)
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return
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}
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h.WriteAckOKJSON(w)
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}
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|
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var mTLSClient *http.Client //TODO get mTLSClient
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var initOnce = sync.Once{}
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|
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func doRequest(instance *model.Instance, req *util.Request, obj interface{}) error {
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|
var err error
|
|
var res *util.Result
|
|
|
|
initOnce.Do(func() {
|
|
if global.Env().SystemConfig.Configs.TLSConfig.TLSEnabled && global.Env().SystemConfig.Configs.TLSConfig.TLSCAFile != "" {
|
|
|
|
//init client
|
|
hClient, err := util.NewMTLSClient(
|
|
global.Env().SystemConfig.Configs.TLSConfig.TLSCAFile,
|
|
global.Env().SystemConfig.Configs.TLSConfig.TLSCertFile,
|
|
global.Env().SystemConfig.Configs.TLSConfig.TLSKeyFile)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
mTLSClient = hClient
|
|
}
|
|
})
|
|
|
|
req.Url, err = url.JoinPath(instance.GetEndpoint(), req.Path)
|
|
res, err = util.ExecuteRequestWithCatchFlag(mTLSClient, req, true)
|
|
if err != nil || res.StatusCode != 200 {
|
|
body := ""
|
|
if res != nil {
|
|
body = string(res.Body)
|
|
}
|
|
return errors.New(fmt.Sprintf("request error: %v, %v", err, body))
|
|
}
|
|
|
|
if res != nil {
|
|
if res.Body != nil {
|
|
return util.FromJSONBytes(res.Body, obj)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|