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manage.go
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// Copyright (C) INFINI Labs & INFINI LIMITED.
//
// The INFINI Console is offered under the GNU Affero General Public License v3.0
// and as commercial software.
//
// For commercial licensing, contact us at:
// - Website: infinilabs.com
// - Email: [email protected]
//
// Open Source licensed under AGPL V3:
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package api
import (
"context"
"encoding/json"
"fmt"
"infini.sh/framework/core/queue"
"math"
"net/http"
"strconv"
"strings"
"sync"
"time"
log "github.com/cihub/seelog"
"infini.sh/console/core"
v1 "infini.sh/console/modules/elastic/api/v1"
httprouter "infini.sh/framework/core/api/router"
"infini.sh/framework/core/credential"
"infini.sh/framework/core/elastic"
"infini.sh/framework/core/event"
"infini.sh/framework/core/global"
"infini.sh/framework/core/model"
"infini.sh/framework/core/orm"
"infini.sh/framework/core/util"
"infini.sh/framework/modules/elastic/common"
)
type APIHandler struct {
core.Handler
v1.APIHandler
}
func (h *APIHandler) Client() elastic.API {
return elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID))
}
func (h *APIHandler) HandleCreateClusterAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
var conf = &elastic.ElasticsearchConfig{}
err := h.DecodeJSON(req, conf)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
conf.Enabled = true
if len(conf.Hosts) > 0 && conf.Host == "" {
conf.Host = conf.Hosts[0]
}
conf.Host = strings.TrimSpace(conf.Host)
if conf.Host == "" {
h.WriteError(w, "host is required", http.StatusBadRequest)
return
}
if conf.Schema == "" {
conf.Schema = "http"
}
conf.Endpoint = fmt.Sprintf("%s://%s", conf.Schema, conf.Host)
conf.ID = util.GetUUID()
ctx := &orm.Context{
Refresh: "wait_for",
}
if conf.CredentialID == "" && conf.BasicAuth != nil && conf.BasicAuth.Username != "" {
credentialID, err := saveBasicAuthToCredential(conf.Name+"_platform("+conf.ID+")", conf.BasicAuth)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
conf.CredentialID = credentialID
}
conf.BasicAuth = nil
if conf.AgentCredentialID == "" && conf.AgentBasicAuth != nil && conf.AgentBasicAuth.Username != "" {
credentialID, err := saveBasicAuthToCredential(conf.Name+"_agent("+conf.ID+")", conf.AgentBasicAuth)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
conf.AgentCredentialID = credentialID
}
conf.AgentBasicAuth = nil
if conf.Distribution == "" {
conf.Distribution = elastic.Elasticsearch
}
if conf.MetricCollectionMode == "" {
conf.MetricCollectionMode = elastic.ModeAgentless
}
err = orm.Create(ctx, conf)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
basicAuth, err := common.GetBasicAuth(conf)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
conf.BasicAuth = basicAuth
conf.Source = elastic.ElasticsearchConfigSourceElasticsearch
_, err = common.InitElasticInstance(*conf)
if err != nil {
log.Warn("error on init elasticsearch:", err)
}
h.WriteCreatedOKJSON(w, conf.ID)
}
func saveBasicAuthToCredential(name string, auth *model.BasicAuth) (string, error) {
cred := credential.Credential{
Name: name,
Type: credential.BasicAuth,
Tags: []string{"ES"},
Payload: map[string]interface{}{
"basic_auth": map[string]interface{}{
"username": auth.Username,
"password": auth.Password.Get(),
},
},
}
cred.ID = util.GetUUID()
err := cred.Encode()
if err != nil {
return "", err
}
err = orm.Create(nil, &cred)
if err != nil {
return "", err
}
return cred.ID, nil
}
func (h *APIHandler) HandleGetClusterAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
id := ps.MustGetParameter("id")
clusterConf := elastic.ElasticsearchConfig{}
clusterConf.ID = id
exists, err := orm.Get(&clusterConf)
if err != nil || !exists {
log.Error(err)
h.Error404(w)
return
}
h.WriteGetOKJSON(w, id, clusterConf)
}
func (h *APIHandler) HandleUpdateClusterAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
var conf = map[string]interface{}{}
err := h.DecodeJSON(req, &conf)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
id := ps.MustGetParameter("id")
originConf := elastic.ElasticsearchConfig{}
originConf.ID = id
exists, err := orm.Get(&originConf)
if err != nil || !exists {
log.Error(err)
h.Error404(w)
return
}
var oldCollectionMode = originConf.MetricCollectionMode
buf := util.MustToJSONBytes(originConf)
source := map[string]interface{}{}
util.MustFromJSONBytes(buf, &source)
for k, v := range conf {
if k == "id" {
continue
}
if k == "basic_auth" {
if authMap, ok := v.(map[string]interface{}); ok {
if pwd, ok := authMap["password"]; !ok || (ok && pwd == "") {
if sourceM, ok := source[k].(map[string]interface{}); ok {
authMap["password"] = sourceM["password"]
}
}
}
}
source[k] = v
}
if host, ok := conf["host"].(string); ok {
host = strings.TrimSpace(host)
if schema, ok := conf["schema"].(string); ok {
source["endpoint"] = fmt.Sprintf("%s://%s", schema, host)
source["host"] = host
}
}
conf["updated"] = time.Now()
ctx := &orm.Context{
Refresh: "wait_for",
}
confBytes, _ := json.Marshal(source)
newConf := &elastic.ElasticsearchConfig{}
json.Unmarshal(confBytes, newConf)
newConf.ID = id
if conf["credential_id"] == nil {
if newConf.BasicAuth != nil && newConf.BasicAuth.Username != "" {
credentialID, err := saveBasicAuthToCredential(newConf.Name+"_platform("+newConf.ID+")", newConf.BasicAuth)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
newConf.CredentialID = credentialID
newConf.BasicAuth = nil
} else {
newConf.CredentialID = ""
}
}
if conf["agent_credential_id"] == nil {
if newConf.AgentBasicAuth != nil && newConf.AgentBasicAuth.Username != "" {
credentialID, err := saveBasicAuthToCredential(newConf.Name+"_agent("+newConf.ID+")", newConf.AgentBasicAuth)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
newConf.AgentCredentialID = credentialID
newConf.AgentBasicAuth = nil
} else {
newConf.AgentCredentialID = ""
}
}
err = orm.Update(ctx, newConf)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
// record cluster metric collection mode change activity
if oldCollectionMode != newConf.MetricCollectionMode {
recordCollectionModeChangeActivity(newConf.ID, newConf.Name, oldCollectionMode, newConf.MetricCollectionMode)
}
basicAuth, err := common.GetBasicAuth(newConf)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
newConf.BasicAuth = basicAuth
//update config in heap
newConf.Source = elastic.ElasticsearchConfigSourceElasticsearch
_, err = common.InitElasticInstance(*newConf)
if err != nil {
log.Warn("error on init elasticsearch:", err)
}
h.WriteUpdatedOKJSON(w, id)
}
func recordCollectionModeChangeActivity(clusterID, clusterName, oldMode, newMode string) {
activityInfo := &event.Activity{
ID: util.GetUUID(),
Timestamp: time.Now(),
Metadata: event.ActivityMetadata{
Category: "elasticsearch",
Group: "platform",
Name: "metric_collection_mode_change",
Type: "update",
Labels: util.MapStr{
"cluster_id": clusterID,
"cluster_name": clusterName,
"from": oldMode,
"to": newMode,
},
},
}
queueConfig := queue.GetOrInitConfig("platform##activities")
if queueConfig.Labels == nil {
queueConfig.ReplaceLabels(util.MapStr{
"type": "platform",
"name": "activity",
"category": "elasticsearch",
"activity": true,
})
}
err := queue.Push(queueConfig, util.MustToJSONBytes(event.Event{
Timestamp: time.Now(),
Metadata: event.EventMetadata{
Category: "elasticsearch",
Name: "activity",
},
Fields: util.MapStr{
"activity": activityInfo,
}}))
if err != nil {
log.Error(err)
}
}
func (h *APIHandler) HandleDeleteClusterAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.MustGetParameter("id")
esConfig := elastic.ElasticsearchConfig{}
esConfig.ID = id
ok, err := orm.Get(&esConfig)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
if ok {
if esConfig.Reserved {
resBody["error"] = "this cluster is reserved"
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
}
ctx := &orm.Context{
Refresh: "wait_for",
}
err = orm.Delete(ctx, &esConfig)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
delDsl := util.MapStr{
"query": util.MapStr{
"match": util.MapStr{
"metadata.cluster_id": id,
},
},
}
err = orm.DeleteBy(elastic.NodeConfig{}, util.MustToJSONBytes(delDsl))
if err != nil {
log.Error(err)
}
err = orm.DeleteBy(elastic.IndexConfig{}, util.MustToJSONBytes(delDsl))
if err != nil {
log.Error(err)
}
elastic.RemoveInstance(id)
elastic.RemoveHostsByClusterID(id)
h.WriteDeletedOKJSON(w, id)
}
func (h *APIHandler) HandleSearchClusterAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
var (
name = h.GetParameterOrDefault(req, "name", "")
sortField = h.GetParameterOrDefault(req, "sort_field", "")
sortOrder = h.GetParameterOrDefault(req, "sort_order", "")
queryDSL = `{"query":{"bool":{"must":[%s]}}, "size": %d, "from": %d%s}`
strSize = h.GetParameterOrDefault(req, "size", "20")
strFrom = h.GetParameterOrDefault(req, "from", "0")
mustBuilder = &strings.Builder{}
)
if name != "" {
mustBuilder.WriteString(fmt.Sprintf(`{"prefix":{"name.text": "%s"}}`, name))
}
clusterFilter, hasAllPrivilege := h.GetClusterFilter(req, "_id")
if !hasAllPrivilege && clusterFilter == nil {
h.WriteJSON(w, elastic.SearchResponse{}, http.StatusOK)
return
}
if !hasAllPrivilege {
if mustBuilder.String() != "" {
mustBuilder.WriteString(",")
}
mustBuilder.Write(util.MustToJSONBytes(clusterFilter))
}
size, _ := strconv.Atoi(strSize)
if size <= 0 {
size = 20
}
from, _ := strconv.Atoi(strFrom)
if from < 0 {
from = 0
}
var sort = ""
if sortField != "" && sortOrder != "" {
sort = fmt.Sprintf(`,"sort":[{"%s":{"order":"%s"}}]`, sortField, sortOrder)
}
queryDSL = fmt.Sprintf(queryDSL, mustBuilder.String(), size, from, sort)
q := orm.Query{
RawQuery: []byte(queryDSL),
}
err, result := orm.Search(elastic.ElasticsearchConfig{}, &q)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
searchRes := elastic.SearchResponse{}
util.MustFromJSONBytes(result.Raw, &searchRes)
if len(searchRes.Hits.Hits) > 0 {
for _, hit := range searchRes.Hits.Hits {
if basicAuth, ok := hit.Source["basic_auth"]; ok {
if authMap, ok := basicAuth.(map[string]interface{}); ok {
delete(authMap, "password")
}
}
}
}
h.WriteJSON(w, searchRes, http.StatusOK)
}
func (h *APIHandler) HandleMetricsSummaryAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.MustGetParameter("id")
summary := map[string]interface{}{}
var query = util.MapStr{
"sort": util.MapStr{
"timestamp": util.MapStr{
"order": "desc",
},
},
"size": 1,
}
query["query"] = util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.labels.cluster_id": util.MapStr{
"value": id,
},
},
},
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "cluster_stats",
},
},
},
},
},
}
q := orm.Query{
RawQuery: util.MustToJSONBytes(query),
WildcardIndex: true,
}
err, result := orm.Search(event.Event{}, &q)
if err != nil {
resBody["error"] = err.Error()
log.Error("MetricsSummary search error: ", err)
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
if len(result.Result) > 0 {
if v, ok := result.Result[0].(map[string]interface{}); ok {
sourceMap := util.MapStr(v)
summary["timestamp"], _ = sourceMap.GetValue("timestamp")
status, _ := sourceMap.GetValue("payload.elasticsearch.cluster_stats")
statusMap := util.MapStr(status.(map[string]interface{}))
summary["cluster_name"], _ = statusMap.GetValue("cluster_name")
summary["status"], _ = statusMap.GetValue("status")
summary["indices_count"], _ = statusMap.GetValue("indices.count")
summary["total_shards"], _ = statusMap.GetValue("indices.shards.total")
summary["primary_shards"], _ = statusMap.GetValue("indices.shards.primaries")
summary["replication_shards"], _ = statusMap.GetValue("indices.shards.replication")
//summary["unassigned_shards"]=status.Indices["shards"].(map[string]interface{})["primaries"]
summary["document_count"], _ = statusMap.GetValue("indices.docs.count")
summary["deleted_document_count"], _ = statusMap.GetValue("indices.docs.deleted")
summary["used_store_bytes"], _ = statusMap.GetValue("indices.store.size_in_bytes")
summary["max_store_bytes"], _ = statusMap.GetValue("nodes.fs.total_in_bytes")
summary["available_store_bytes"], _ = statusMap.GetValue("nodes.fs.available_in_bytes")
summary["fielddata_bytes"], _ = statusMap.GetValue("indices.fielddata.memory_size_in_bytes")
summary["fielddata_evictions"], _ = statusMap.GetValue("indices.fielddata.evictions")
summary["query_cache_bytes"], _ = statusMap.GetValue("indices.query_cache.memory_size_in_bytes")
summary["query_cache_total_count"], _ = statusMap.GetValue("indices.query_cache.total_count")
summary["query_cache_hit_count"], _ = statusMap.GetValue("indices.query_cache.hit_count")
summary["query_cache_miss_count"], _ = statusMap.GetValue("indices.query_cache.miss_count")
summary["query_cache_evictions"], _ = statusMap.GetValue("indices.query_cache.evictions")
summary["segments_count"], _ = statusMap.GetValue("indices.segments.count")
summary["segments_memory_in_bytes"], _ = statusMap.GetValue("indices.segments.memory_in_bytes")
summary["nodes_count"], _ = statusMap.GetValue("nodes.count.total")
summary["version"], _ = statusMap.GetValue("nodes.versions")
summary["mem_total_in_bytes"], _ = statusMap.GetValue("nodes.os.mem.total_in_bytes")
summary["mem_used_in_bytes"], _ = statusMap.GetValue("nodes.os.mem.used_in_bytes")
summary["mem_used_percent"], _ = statusMap.GetValue("nodes.os.mem.used_percent")
summary["uptime"], _ = statusMap.GetValue("nodes.jvm.max_uptime_in_millis")
summary["used_jvm_bytes"], _ = statusMap.GetValue("nodes.jvm.mem.heap_used_in_bytes")
summary["max_jvm_bytes"], _ = statusMap.GetValue("nodes.jvm.mem.heap_max_in_bytes")
}
}
query["query"] = util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.labels.cluster_id": util.MapStr{
"value": id,
},
},
},
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "cluster_health",
},
},
},
},
},
}
q.RawQuery = util.MustToJSONBytes(query)
err, result = orm.Search(event.Event{}, &q)
if err != nil {
log.Error("MetricsSummary search error: ", err)
} else {
if len(result.Result) > 0 {
if v, ok := result.Result[0].(map[string]interface{}); ok {
health, _ := util.MapStr(v).GetValue("payload.elasticsearch.cluster_health")
healthMap := util.MapStr(health.(map[string]interface{}))
summary["unassigned_shards"], _ = healthMap.GetValue("unassigned_shards")
}
}
}
resBody["summary"] = summary
err = h.WriteJSON(w, resBody, http.StatusOK)
if err != nil {
log.Error(err)
}
}
// new
func (h *APIHandler) HandleClusterMetricsAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.ByName("id")
if GetMonitorState(id) == elastic.ModeAgentless {
h.APIHandler.HandleClusterMetricsAction(w, req, ps)
return
}
key := h.GetParameter(req, "key")
var metricType string
switch key {
case v1.IndexThroughputMetricKey, v1.SearchThroughputMetricKey, v1.IndexLatencyMetricKey, v1.SearchLatencyMetricKey, CircuitBreakerMetricKey, ShardStateMetricKey:
metricType = v1.MetricTypeNodeStats
case ClusterDocumentsMetricKey,
ClusterStorageMetricKey,
ClusterIndicesMetricKey,
ClusterNodeCountMetricKey:
metricType = v1.MetricTypeClusterStats
case ClusterHealthMetricKey:
metricType = v1.MetricTypeClusterStats
case ShardCountMetricKey:
metricType = v1.MetricTypeClusterHealth
default:
h.WriteError(w, "invalid metric key", http.StatusBadRequest)
return
}
bucketSize, min, max, err := h.GetMetricRangeAndBucketSize(req, id, metricType, 90)
if err != nil {
panic(err)
}
var metrics map[string]*common.MetricItem
if bucketSize <= 60 {
min = min - int64(2*bucketSize*1000)
}
timeout := h.GetParameterOrDefault(req, "timeout", "60s")
du, err := time.ParseDuration(timeout)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
ctx, cancel := context.WithTimeout(context.Background(), du)
defer cancel()
if util.StringInArray([]string{v1.IndexThroughputMetricKey, v1.SearchThroughputMetricKey, v1.IndexLatencyMetricKey, v1.SearchLatencyMetricKey}, key) {
metrics, err = h.GetClusterIndexMetrics(ctx, id, bucketSize, min, max, key)
} else if key == ShardStateMetricKey {
clusterUUID, err := h.getClusterUUID(id)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
query := util.MapStr{
"size": 0,
"query": util.MapStr{
"bool": util.MapStr{
"minimum_should_match": 1,
"should": []util.MapStr{
{
"term": util.MapStr{
"metadata.labels.cluster_id": util.MapStr{
"value": id,
},
},
},
{
"term": util.MapStr{
"metadata.labels.cluster_uuid": util.MapStr{
"value": clusterUUID,
},
},
},
},
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "shard_stats",
},
},
},
},
"filter": []util.MapStr{
{
"range": util.MapStr{
"timestamp": util.MapStr{
"gte": min,
"lte": max,
},
},
},
},
},
},
}
shardStateMetric, err := getNodeShardStateMetric(ctx, query, bucketSize)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
metrics = map[string]*common.MetricItem{
ShardStateMetricKey: shardStateMetric,
}
} else {
metrics, err = h.GetClusterMetrics(ctx, id, bucketSize, min, max, key)
}
if err != nil {
log.Error(err)
h.WriteError(w, err, http.StatusInternalServerError)
return
}
if _, ok := metrics[key]; ok {
if metrics[key].HitsTotal > 0 {
minBucketSize, err := v1.GetMetricMinBucketSize(id, metricType)
if err != nil {
log.Error(err)
} else {
metrics[key].MinBucketSize = int64(minBucketSize)
}
}
}
resBody["metrics"] = metrics
err = h.WriteJSON(w, resBody, http.StatusOK)
if err != nil {
log.Error(err)
}
}
func (h *APIHandler) HandleNodeMetricsAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.ByName("id")
bucketSize, min, max, err := h.GetMetricRangeAndBucketSize(req, id, v1.MetricTypeNodeStats, 90)
if err != nil {
log.Error(err)
resBody["error"] = err
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
nodeName := h.Get(req, "node_name", "")
top := h.GetIntOrDefault(req, "top", 5)
if bucketSize <= 60 {
min = min - int64(2*bucketSize*1000)
}
key := h.GetParameter(req, "key")
timeout := h.GetParameterOrDefault(req, "timeout", "60s")
du, err := time.ParseDuration(timeout)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
ctx, cancel := context.WithTimeout(context.Background(), du)
defer cancel()
metrics, err := h.getNodeMetrics(ctx, id, bucketSize, min, max, nodeName, top, key)
if err != nil {
log.Error(err)
h.WriteError(w, err, http.StatusInternalServerError)
return
}
if _, ok := metrics[key]; ok {
if metrics[key].HitsTotal > 0 {
minBucketSize, err := v1.GetMetricMinBucketSize(id, v1.MetricTypeNodeStats)
if err != nil {
log.Error(err)
} else {
metrics[key].MinBucketSize = int64(minBucketSize)
}
}
}
resBody["metrics"] = metrics
ver := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).GetVersion()
if ver.Distribution == "" {
cr, err := util.VersionCompare(ver.Number, "6.1")
if err != nil {
log.Error(err)
}
if cr < 0 {
resBody["tips"] = "The system cluster version is lower than 6.1, the top node may be inaccurate"
}
}
err = h.WriteJSON(w, resBody, http.StatusOK)
if err != nil {
log.Error(err)
}
}
func (h *APIHandler) HandleIndexMetricsAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.ByName("id")
if GetMonitorState(id) == elastic.ModeAgentless {
h.APIHandler.HandleIndexMetricsAction(w, req, ps)
return
}
bucketSize, min, max, err := h.GetMetricRangeAndBucketSize(req, id, v1.MetricTypeNodeStats, 90)
if err != nil {
log.Error(err)
resBody["error"] = err
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
indexName := h.Get(req, "index_name", "")
top := h.GetIntOrDefault(req, "top", 5)
shardID := h.Get(req, "shard_id", "")
if bucketSize <= 60 {
min = min - int64(2*bucketSize*1000)
}
key := h.GetParameter(req, "key")
timeout := h.GetParameterOrDefault(req, "timeout", "60s")
du, err := time.ParseDuration(timeout)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
ctx, cancel := context.WithTimeout(context.Background(), du)
defer cancel()
var metrics map[string]*common.MetricItem
if key == v1.DocPercentMetricKey {
metrics, err = h.getIndexMetrics(ctx, req, id, bucketSize, min, max, indexName, top, shardID, v1.DocCountMetricKey)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
docsDeletedMetrics, err := h.getIndexMetrics(ctx, req, id, bucketSize, min, max, indexName, top, shardID, v1.DocsDeletedMetricKey)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
for k, v := range docsDeletedMetrics {
if v != nil {
metrics[k] = v
}
}
if metrics["doc_count"] != nil && metrics["docs_deleted"] != nil && len(metrics["doc_count"].Lines) > 0 && len(metrics["docs_deleted"].Lines) > 0 {
metricA := metrics["doc_count"]
metricB := metrics["docs_deleted"]
if dataA, ok := metricA.Lines[0].Data.([][]interface{}); ok {
if dataB, ok := metricB.Lines[0].Data.([][]interface{}); ok {
data := make([]map[string]interface{}, 0, len(dataA)*2)
var (
x1 float64
x2 float64
)
for i := 0; i < len(dataA); i++ {
x1 = dataA[i][1].(float64)
x2 = dataB[i][1].(float64)
if x1+x2 == 0 {
continue
}
data = append(data, map[string]interface{}{
"x": dataA[i][0],
"y": x1 / (x1 + x2) * 100,
"g": "Doc Count",
})
data = append(data, map[string]interface{}{
"x": dataA[i][0],
"y": x2 / (x1 + x2) * 100,
"g": "Doc Deleted",
})
}
metricDocPercent := &common.MetricItem{
Axis: []*common.MetricAxis{},
Key: "doc_percent",
Group: metricA.Group,
Order: 18,
Lines: []*common.MetricLine{
{
TimeRange: metricA.Lines[0].TimeRange,
Data: data,
Type: common.GraphTypeBar,
},
},
}
metrics["doc_percent"] = metricDocPercent
}
}
}
} else {
metrics, err = h.getIndexMetrics(ctx, req, id, bucketSize, min, max, indexName, top, shardID, key)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
}
if _, ok := metrics[key]; ok {
if metrics[key].HitsTotal > 0 {
minBucketSize, err := v1.GetMetricMinBucketSize(id, v1.MetricTypeNodeStats)
if err != nil {
log.Error(err)
} else {
metrics[key].MinBucketSize = int64(minBucketSize)
}
}
}
resBody["metrics"] = metrics
ver := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).GetVersion()
if ver.Distribution == "" {
cr, err := util.VersionCompare(ver.Number, "6.1")
if err != nil {
log.Error(err)
}
if cr < 0 {
resBody["tips"] = "The system cluster version is lower than 6.1, the top index may be inaccurate"
}
}
err = h.WriteJSON(w, resBody, http.StatusOK)
if err != nil {
log.Error(err)
}
}
func (h *APIHandler) HandleQueueMetricsAction(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody := map[string]interface{}{}
id := ps.ByName("id")
bucketSize, min, max, err := h.GetMetricRangeAndBucketSize(req, id, v1.MetricTypeNodeStats, 90)
if err != nil {
log.Error(err)
resBody["error"] = err
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
nodeName := h.Get(req, "node_name", "")
top := h.GetIntOrDefault(req, "top", 5)
if bucketSize <= 60 {
min = min - int64(2*bucketSize*1000)
}
key := h.GetParameter(req, "key")
timeout := h.GetParameterOrDefault(req, "timeout", "60s")
du, err := time.ParseDuration(timeout)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
ctx, cancel := context.WithTimeout(context.Background(), du)
defer cancel()
metrics, err := h.getThreadPoolMetrics(ctx, id, bucketSize, min, max, nodeName, top, key)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
if _, ok := metrics[key]; ok {
if metrics[key].HitsTotal > 0 {
minBucketSize, err := v1.GetMetricMinBucketSize(id, v1.MetricTypeNodeStats)
if err != nil {
log.Error(err)
} else {
metrics[key].MinBucketSize = int64(minBucketSize)
}
}
}
resBody["metrics"] = metrics
ver := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).GetVersion()
if ver.Distribution == "" {
cr, err := util.VersionCompare(ver.Number, "6.1")
if err != nil {
log.Error(err)
}
if cr < 0 {
resBody["tips"] = "The system cluster version is lower than 6.1, the top node may be inaccurate"
}
}
err = h.WriteJSON(w, resBody, http.StatusOK)
if err != nil {
log.Error(err)
}
}
// TODO, use expired hash
var clusters = map[string]elastic.ElasticsearchConfig{}
var clustersMutex = &sync.RWMutex{}
// TODO use prefered client
func (h *APIHandler) GetClusterClient(id string) (bool, elastic.API, error) {
clustersMutex.RLock()
config, ok := clusters[id]
clustersMutex.RUnlock()
var client elastic.API
if !ok {
client = elastic.GetClientNoPanic(id)
}
if client == nil {
indexName := orm.GetIndexName(elastic.ElasticsearchConfig{})
getResponse, err := h.Client().Get(indexName, "", id)
if err != nil {
return false, nil, err
}
bytes := util.MustToJSONBytes(getResponse.Source)
cfg := elastic.ElasticsearchConfig{}
err = util.FromJSONBytes(bytes, &cfg)
if err != nil {
return false, nil, err
}