console/modules/agent/api/elasticsearch.go

538 lines
14 KiB
Go

/* Copyright © INFINI LTD. All rights reserved.
* Web: https://infinilabs.com
* Email: hello#infini.ltd */
package api
import (
"bytes"
"context"
"fmt"
log "github.com/cihub/seelog"
httprouter "infini.sh/framework/core/api/router"
"infini.sh/framework/core/elastic"
"infini.sh/framework/core/model"
"infini.sh/framework/core/orm"
"infini.sh/framework/core/util"
common2 "infini.sh/framework/modules/elastic/common"
"infini.sh/framework/plugins/managed/common"
"net/http"
"time"
)
//node -> binding item
func GetEnrolledNodesByAgent(instance *model.Instance) (map[string]BindingItem, error) {
//get nodes settings where agent id = instance id
q := orm.Query{
Size: 1000,
Conds: orm.And(orm.Eq("metadata.category", "node_settings"),
orm.Eq("metadata.name", "agent"),
orm.Eq("metadata.labels.agent_id", instance.ID),
),
}
err, result := orm.Search(model.Setting{}, &q)
if err != nil {
return nil, err
}
ids := map[string]BindingItem{}
for _, row := range result.Result {
v, ok := row.(map[string]interface{})
if ok {
x, ok := v["payload"]
if ok {
f, ok := x.(map[string]interface{})
if ok {
nodeID, ok := f["node_uuid"].(string)
if ok {
item := BindingItem{}
item.ClusterID = util.ToString(f["cluster_id"])
item.ClusterName = util.ToString(f["cluster_name"])
item.ClusterUUID = util.ToString(f["cluster_uuid"])
item.PublishAddress = util.ToString(f["publish_address"])
item.NodeName = util.ToString(f["node_name"])
item.PathHome = util.ToString(f["path_home"])
item.PathLogs = util.ToString(f["path_logs"])
item.NodeUUID = nodeID
t, ok := v["updated"]
if ok {
layout := "2006-01-02T15:04:05.999999-07:00"
t1, err := time.Parse(layout, util.ToString(t))
if err == nil {
item.Updated = t1.Unix()
}
}
ids[item.NodeUUID] = item
}
}
}
}
}
return ids, nil
}
func refreshNodesInfo(inst *model.Instance) (*elastic.DiscoveryResult, error) {
enrolledNodesByAgent, err := GetEnrolledNodesByAgent(inst)
if err != nil {
return nil, fmt.Errorf("error on get binding nodes info: %w", err)
}
ctxTimeout, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
nodesInfo, err := GetElasticsearchNodesViaAgent(ctxTimeout, inst)
if err != nil {
//TODO return already biding nodes info ??
return nil, fmt.Errorf("error on get nodes info from agent: %w", err)
}
for nodeID, node := range nodesInfo.Nodes {
v, ok := enrolledNodesByAgent[nodeID]
if ok {
node.ClusterID = v.ClusterID
node.Enrolled = true
}
}
////not recognized by agent, need auth?
//for _, node := range nodesInfo.UnknownProcess{
// for _, v := range node.ListenAddresses {
// //ask user to manual enroll this node
// //check local credentials, if it works, get node info
// }
//}
// {
// //node was not recognized by agent, need auth?
// if node.HttpPort != "" {
// for _, v := range enrolledNodesByAgent {
// if v.PublishAddress != "" {
// if util.UnifyLocalAddress(v.PublishAddress) == util.UnifyLocalAddress(node.PublishAddress) {
// node.ClusterID = v.ClusterID
// node.ClusterName = v.ClusterName
// node.NodeUUID = v.NodeUUID
// node.ClusterUuid = v.ClusterUUID
// node.NodeName = v.NodeName
// node.Path.Home = v.PathHome
// node.Path.Logs = v.PathLogs
// node.AgentID = inst.ID
// //TODO verify node info if the node id really match, need to fetch the credentials for agent
// //or let manager sync configs to this agent, verify the node info after receiving the configs
// //report any error along with this agent and node info
// break
// }
// }
// }
// }
//
//}
return nodesInfo, nil
}
type RemoteConfig struct {
orm.ORMObjectBase
Metadata model.Metadata `json:"metadata" elastic_mapping:"metadata: { type: object }"`
Payload common.ConfigFile `json:"payload" elastic_mapping:"payload: { type: object}"`
}
func remoteConfigProvider(instance model.Instance) []*common.ConfigFile {
//fetch configs from remote db
//fetch configs assigned to (instance=_all OR instance=$instance_id ) AND application.name=$application.name
q := orm.Query{
Size: 1000,
Conds: orm.And(orm.Eq("metadata.category", "app_settings"),
orm.Eq("metadata.name", instance.Application.Name),
orm.Eq("metadata.labels.instance", "_all"),
),
}
err, searchResult := orm.Search(RemoteConfig{}, &q)
if err != nil {
panic(err)
}
result := []*common.ConfigFile{}
for _, row := range searchResult.Result {
v, ok := row.(map[string]interface{})
if ok {
x, ok := v["payload"]
if ok {
f, ok := x.(map[string]interface{})
if ok {
name, ok := f["name"].(string)
if ok {
item := common.ConfigFile{}
item.Name = util.ToString(name)
item.Location = util.ToString(f["location"])
item.Content = util.ToString(f["content"])
item.Version,_ = util.ToInt64(util.ToString(f["version"]))
item.Size = int64(len(item.Content))
item.Managed = true
t, ok := v["updated"]
if ok {
layout := "2006-01-02T15:04:05.999999-07:00"
t1, err := time.Parse(layout, util.ToString(t))
if err == nil {
item.Updated = t1.Unix()
}
}
result=append(result,&item)
}
}
}
}
}
return result
}
func dynamicAgentConfigProvider(instance model.Instance) []*common.ConfigFile {
//get config files from remote db
//get settings with this agent id
result := []*common.ConfigFile{}
ids, err := GetEnrolledNodesByAgent(&instance)
if err != nil {
panic(err)
}
var latestTimestamp int64
for _, v := range ids {
if v.Updated > latestTimestamp {
latestTimestamp = v.Updated
}
}
if len(ids) > 0 {
cfg := common.ConfigFile{}
cfg.Name = "generated_metrics_tasks.yml"
cfg.Location = "generated_metrics_tasks.yml"
cfg.Content = getConfigs(ids)
cfg.Size = int64(len(cfg.Content))
cfg.Version = latestTimestamp
cfg.Managed = true
cfg.Updated = latestTimestamp
result = append(result, &cfg)
}
return result
}
func getConfigs(items map[string]BindingItem) string {
buffer := bytes.NewBuffer([]byte("configs.template:\n "))
for _, v := range items {
if v.ClusterID == "" {
panic("cluster id is empty")
}
metadata := elastic.GetMetadata(v.ClusterID)
var clusterLevelEnabled = false
var nodeLevelEnabled = true
var clusterEndPoint = metadata.Config.GetAnyEndpoint()
credential, err := common2.GetCredential(metadata.Config.CredentialID)
if err != nil {
panic(err)
}
var dv interface{}
dv, err = credential.Decode()
if err != nil {
panic(err)
}
var username = ""
var password = ""
if auth, ok := dv.(model.BasicAuth); ok {
username = auth.Username
password = auth.Password
}
buffer.Write([]byte(fmt.Sprintf("- name: \"%v\"\n path: ./config/task_config.tpl\n "+
"variable:\n "+
"CLUSTER_ID: %v\n "+
"CLUSTER_ENDPOINT: [\"%v\"]\n "+
"CLUSTER_USERNAME: \"%v\"\n "+
"CLUSTER_PASSWORD: \"%v\"\n "+
"CLUSTER_LEVEL_TASKS_ENABLED: %v\n "+
"NODE_LEVEL_TASKS_ENABLED: %v\n "+
"NODE_LOGS_PATH: \"%v\"\n\n\n"+
"#MANAGED_CONFIG_VERSION: %v\n"+
"#MANAGED: true",
v.NodeUUID, v.ClusterID, clusterEndPoint, username, password, clusterLevelEnabled, nodeLevelEnabled, v.PathLogs, v.Updated)))
}
//password: $[[keystore.$[[CLUSTER_ID]]_password]]
return buffer.String()
}
//get nodes info via agent
func GetElasticsearchNodesViaAgent(ctx context.Context, instance *model.Instance) (*elastic.DiscoveryResult, error) {
req := &util.Request{
Method: http.MethodGet,
Path: "/elasticsearch/nodes/_discovery",
Context: ctx,
}
obj := elastic.DiscoveryResult{}
err := doRequest(instance, req, &obj)
if err != nil {
return nil, err
}
return &obj, nil
}
func AuthESNode(ctx context.Context, agentBaseURL string, cfg elastic.ElasticsearchConfig) (*model.ESNodeInfo, error) {
reqBody, err := util.ToJSONBytes(cfg)
if err != nil {
return nil, err
}
req := &util.Request{
Method: http.MethodPost,
Path: "/elasticsearch/_auth",
Context: ctx,
Body: reqBody,
}
resBody := &model.ESNodeInfo{}
err = DoRequest(req, resBody)
if err != nil {
return nil, err
}
return resBody, nil
}
func getNodeByPidOrUUID(nodes map[int]*model.ESNodeInfo, pid int, uuid string, port string) *model.ESNodeInfo {
if nodes[pid] != nil {
return nodes[pid]
}
for _, node := range nodes {
if node.NodeUUID != "" && node.NodeUUID == uuid {
return node
}
}
return nil
}
type BindingItem struct {
ClusterName string `json:"cluster_name"`
ClusterUUID string `json:"cluster_uuid"`
NodeUUID string `json:"node_uuid"`
PublishAddress string `json:"publish_address"`
NodeName string `json:"node_name"`
PathLogs string `json:"path_logs"`
PathHome string `json:"path_home"`
//infini system assigned id
ClusterID string `json:"cluster_id"`
Updated int64 `json:"updated"`
}
func getUnAssociateNodes() (map[string][]model.ESNodeInfo, error) {
query := util.MapStr{
"size": 3000,
"query": util.MapStr{
"bool": util.MapStr{
"must_not": []util.MapStr{
{
"exists": util.MapStr{
"field": "cluster_id",
},
},
},
},
},
}
q := orm.Query{
RawQuery: util.MustToJSONBytes(query),
}
err, result := orm.Search(model.ESNodeInfo{}, &q)
if err != nil {
return nil, err
}
nodesInfo := map[string][]model.ESNodeInfo{}
for _, row := range result.Result {
node := model.ESNodeInfo{}
buf := util.MustToJSONBytes(row)
util.MustFromJSONBytes(buf, &node)
nodesInfo[node.AgentID] = append(nodesInfo[node.AgentID], node)
}
return nodesInfo, nil
}
func GetElasticLogFiles(ctx context.Context, instance *model.Instance, logsPath string) (interface{}, error) {
reqBody := util.MustToJSONBytes(util.MapStr{
"logs_path": logsPath,
})
req := &util.Request{
Method: http.MethodPost,
Path: "/elasticsearch/logs/_list",
Context: ctx,
Body: reqBody,
}
resBody := map[string]interface{}{}
err := doRequest(instance, req, &resBody)
if err != nil {
return nil, err
}
if resBody["success"] != true {
return nil, fmt.Errorf("get elasticsearch log files error: %v", resBody)
}
return resBody["result"], nil
}
func GetElasticLogFileContent(ctx context.Context, instance *model.Instance, body interface{}) (interface{}, error) {
req := &util.Request{
Method: http.MethodPost,
Path: "/elasticsearch/logs/_read",
Context: ctx,
Body: util.MustToJSONBytes(body),
}
resBody := map[string]interface{}{}
err := doRequest(instance, req, &resBody)
if err != nil {
return nil, err
}
if resBody["success"] != true {
return nil, fmt.Errorf("get elasticsearch log files error: %v", resBody["error"])
}
var hasMore bool
if v, ok := resBody["EOF"].(bool); ok && !v {
hasMore = true
}
return map[string]interface{}{
"lines": resBody["result"],
"has_more": hasMore,
}, nil
}
func (h *APIHandler) getLogFilesByNode(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
nodeID := ps.MustGetParameter("node_id")
inst, pathLogs, err := getAgentByNodeID(nodeID)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
if inst == nil {
log.Error(fmt.Sprintf("can not find agent by node [%s]", nodeID))
h.WriteJSON(w, util.MapStr{
"success": false,
"reason": "AGENT_NOT_FOUND",
}, http.StatusOK)
return
}
logFiles, err := GetElasticLogFiles(nil, inst, pathLogs)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
h.WriteJSON(w, util.MapStr{
"success": true,
"log_files": logFiles,
}, http.StatusOK)
}
func (h *APIHandler) getLogFileContent(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
nodeID := ps.MustGetParameter("node_id")
inst, pathLogs, err := getAgentByNodeID(nodeID)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
if inst == nil {
h.WriteError(w, fmt.Sprintf("can not find agent by node [%s]", nodeID), http.StatusInternalServerError)
return
}
reqBody := struct {
FileName string `json:"file_name"`
LogsPath string `json:"logs_path"`
Offset int `json:"offset"`
Lines int `json:"lines"`
StartLineNumber int64 `json:"start_line_number"`
}{}
err = h.DecodeJSON(req, &reqBody)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
reqBody.LogsPath = pathLogs
res, err := GetElasticLogFileContent(nil, inst, reqBody)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
log.Error(err)
return
}
h.WriteJSON(w, res, http.StatusOK)
}
//instance, pathLogs
func getAgentByNodeID(nodeID string) (*model.Instance, string, error) {
q := orm.Query{
Size: 1000,
Conds: orm.And(orm.Eq("metadata.category", "node_settings"),
orm.Eq("metadata.name", "agent"),
orm.Eq("payload.node_uuid", nodeID),
),
}
err, result := orm.Search(model.Setting{}, &q)
if err != nil {
return nil, "", err
}
for _, row := range result.Result {
v, ok := row.(map[string]interface{})
if ok {
pathLogs := ""
payload, ok := v["payload"]
if ok {
payloadMap, ok := payload.(map[string]interface{})
if ok {
pathLogs = util.ToString(payloadMap["path_logs"])
}
}
x, ok := v["metadata"]
if ok {
f, ok := x.(map[string]interface{})
if ok {
labels, ok := f["labels"].(map[string]interface{})
if ok {
id, ok := labels["agent_id"]
if ok {
inst := &model.Instance{}
inst.ID = util.ToString(id)
_, err = orm.Get(inst)
if err != nil {
return nil, pathLogs, err
}
if inst.Name == "" {
return nil, pathLogs, nil
}
return inst, pathLogs, nil
}
}
}
}
}
}
return nil, "", nil
}