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node_overview.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/>.
/* Copyright © INFINI Ltd. All rights reserved.
* web: https://infinilabs.com
* mail: hello#infini.ltd */
package api
import (
"context"
"fmt"
log "github.com/cihub/seelog"
httprouter "infini.sh/framework/core/api/router"
"infini.sh/framework/core/elastic"
"infini.sh/framework/core/event"
"infini.sh/framework/core/global"
"infini.sh/framework/core/orm"
"infini.sh/framework/core/radix"
"infini.sh/framework/core/util"
"infini.sh/framework/modules/elastic/adapter"
"infini.sh/framework/modules/elastic/common"
"net/http"
"time"
)
func (h *APIHandler) SearchNodeMetadata(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
resBody:=util.MapStr{}
reqBody := struct{
Keyword string `json:"keyword"`
Size int `json:"size"`
From int `json:"from"`
Aggregations []elastic.SearchAggParam `json:"aggs"`
Highlight elastic.SearchHighlightParam `json:"highlight"`
Filter elastic.SearchFilterParam `json:"filter"`
Sort []string `json:"sort"`
SearchField string `json:"search_field"`
}{}
err := h.DecodeJSON(req, &reqBody)
if err != nil {
resBody["error"] = err.Error()
h.WriteJSON(w,resBody, http.StatusInternalServerError )
return
}
aggs := elastic.BuildSearchTermAggregations(reqBody.Aggregations)
aggs["term_cluster_id"] = util.MapStr{
"terms": util.MapStr{
"field": "metadata.cluster_id",
"size": 1000,
},
"aggs": util.MapStr{
"term_cluster_name": util.MapStr{
"terms": util.MapStr{
"field": "metadata.cluster_name",
"size": 1,
},
},
},
}
var should =[]util.MapStr{}
if reqBody.SearchField != ""{
should = []util.MapStr{
{
"prefix": util.MapStr{
reqBody.SearchField: util.MapStr{
"value": reqBody.Keyword,
"boost": 20,
},
},
},
{
"match": util.MapStr{
reqBody.SearchField: util.MapStr{
"query": reqBody.Keyword,
"fuzziness": "AUTO",
"max_expansions": 10,
"prefix_length": 2,
"fuzzy_transpositions": true,
"boost": 2,
},
},
},
}
}else{
should = []util.MapStr{
{
"prefix": util.MapStr{
"metadata.node_name": util.MapStr{
"value": reqBody.Keyword,
"boost": 20,
},
},
},
{
"prefix": util.MapStr{
"metadata.host": util.MapStr{
"value": reqBody.Keyword,
"boost": 20,
},
},
},
{
"prefix": util.MapStr{
"metadata.cluster_name": util.MapStr{
"value": reqBody.Keyword,
"boost": 15,
},
},
},
{
"match": util.MapStr{
"search_text": util.MapStr{
"query": reqBody.Keyword,
"fuzziness": "AUTO",
"max_expansions": 10,
"prefix_length": 2,
"fuzzy_transpositions": true,
"boost": 2,
},
},
},
}
}
clusterFilter, hasPrivilege := h.GetClusterFilter(req, "metadata.cluster_id")
if !hasPrivilege && clusterFilter == nil {
h.WriteJSON(w, elastic.SearchResponse{
}, http.StatusOK)
return
}
must := []interface{}{
}
if !hasPrivilege && clusterFilter != nil {
must = append(must, clusterFilter)
}
query := util.MapStr{
"aggs": aggs,
"size": reqBody.Size,
"from": reqBody.From,
"highlight": elastic.BuildSearchHighlight(&reqBody.Highlight),
"query": util.MapStr{
"bool": util.MapStr{
"minimum_should_match": 1,
"filter": elastic.BuildSearchTermFilter(reqBody.Filter),
"should": should,
"must": must,
},
},
"sort": []util.MapStr{
{
"timestamp": util.MapStr{
"order": "desc",
},
},
},
}
if len(reqBody.Sort) > 1 {
query["sort"] = []util.MapStr{
{
reqBody.Sort[0]: util.MapStr{
"order": reqBody.Sort[1],
},
},
}
}
dsl := util.MustToJSONBytes(query)
response, err := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).SearchWithRawQueryDSL(orm.GetIndexName(elastic.NodeConfig{}), dsl)
if err != nil {
resBody["error"] = err.Error()
h.WriteJSON(w,resBody, http.StatusInternalServerError )
return
}
w.Write(util.MustToJSONBytes(response))
}
func (h *APIHandler) FetchNodeInfo(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
var nodeIDs = []string{}
h.DecodeJSON(req, &nodeIDs)
if len(nodeIDs) == 0 {
h.WriteJSON(w, util.MapStr{}, http.StatusOK)
return
}
q1 := orm.Query{WildcardIndex: true}
query := util.MapStr{
"sort": []util.MapStr{
{
"timestamp": util.MapStr{
"order": "desc",
},
},
},
"collapse": util.MapStr{
"field": "metadata.labels.node_id",
},
"query": util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "node_stats",
},
},
},
{
"terms": util.MapStr{
"metadata.labels.node_id": nodeIDs,
},
},
},
},
},
}
q1.RawQuery = util.MustToJSONBytes(query)
err, results := orm.Search(&event.Event{}, &q1)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
statusMap := map[string]interface{}{}
for _, v := range results.Result {
result, ok := v.(map[string]interface{})
if ok {
nodeID, ok := util.GetMapValueByKeys([]string{"metadata", "labels", "node_id"}, result)
if ok {
source := map[string]interface{}{}
//timestamp, ok := result["timestamp"].(string)
uptime, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "jvm", "uptime_in_millis"}, result)
if ok {
source["uptime"] = uptime
}
fsTotal, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "fs", "total"}, result)
if ok {
source["fs"] = util.MapStr{
"total": fsTotal,
}
}
jvmMem, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "jvm", "mem"}, result)
if ok {
source["jvm"] = util.MapStr{
"mem": jvmMem,
}
}
indices := util.MapStr{}
docs, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "indices", "docs"}, result)
if ok {
indices["docs"] = docs
}
source["indices"] = indices
shardInfo, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "shard_info"}, result)
if ok {
source["shard_info"] = shardInfo
}
if tempClusterID, ok := util.GetMapValueByKeys([]string{"metadata", "labels", "cluster_id"}, result); ok {
if clusterID, ok := tempClusterID.(string); ok {
if meta := elastic.GetMetadata(clusterID); meta != nil && meta.ClusterState != nil {
source["is_master_node"] = meta.ClusterState.MasterNode == nodeID
}
}
}
statusMap[util.ToString(nodeID)] = source
}
}
}
statusMetric, err := getNodeOnlineStatusOfRecentDay(nodeIDs)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
// 索引速率
indexMetric:=newMetricItem("indexing", 1, OperationGroupKey)
indexMetric.AddAxi("indexing rate","group1",common.PositionLeft,"num","0,0","0,0.[00]",5,true)
nodeMetricItems := []GroupMetricItem{}
nodeMetricItems=append(nodeMetricItems, GroupMetricItem{
Key: "indexing",
Field: "payload.elasticsearch.node_stats.indices.indexing.index_total",
ID: util.GetUUID(),
IsDerivative: true,
MetricItem: indexMetric,
FormatType: "num",
Units: "Indexing/s",
})
queryMetric:=newMetricItem("search", 2, OperationGroupKey)
queryMetric.AddAxi("query rate","group1",common.PositionLeft,"num","0,0","0,0.[00]",5,true)
nodeMetricItems=append(nodeMetricItems, GroupMetricItem{
Key: "search",
Field: "payload.elasticsearch.node_stats.indices.search.query_total",
ID: util.GetUUID(),
IsDerivative: true,
MetricItem: queryMetric,
FormatType: "num",
Units: "Search/s",
})
bucketSize := GetMinBucketSize()
if bucketSize < 60 {
bucketSize = 60
}
var metricLen = 15
aggs:=map[string]interface{}{}
query=map[string]interface{}{}
query["query"]=util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "node_stats",
},
},
},
{
"terms": util.MapStr{
"metadata.labels.node_id": nodeIDs,
},
},
},
"filter": []util.MapStr{
{
"range": util.MapStr{
"timestamp": util.MapStr{
"gte": fmt.Sprintf("now-%ds", metricLen * bucketSize),
},
},
},
},
},
}
for _,metricItem:=range nodeMetricItems{
aggs[metricItem.ID]=util.MapStr{
"max":util.MapStr{
"field": metricItem.Field,
},
}
if metricItem.IsDerivative{
aggs[metricItem.ID+"_deriv"]=util.MapStr{
"derivative":util.MapStr{
"buckets_path": metricItem.ID,
},
}
}
}
bucketSizeStr := fmt.Sprintf("%ds", bucketSize)
intervalField, err := getDateHistogramIntervalField(global.MustLookupString(elastic.GlobalSystemElasticsearchID), bucketSizeStr)
if err != nil {
panic(err)
}
query["size"]=0
query["aggs"]= util.MapStr{
"group_by_level": util.MapStr{
"terms": util.MapStr{
"field": "metadata.labels.node_id",
"size": 100,
},
"aggs": util.MapStr{
"dates": util.MapStr{
"date_histogram":util.MapStr{
"field": "timestamp",
intervalField: bucketSizeStr,
},
"aggs":aggs,
},
},
},
}
metrics := h.getMetrics(context.Background(), query, nodeMetricItems, bucketSize)
indexMetrics := map[string]util.MapStr{}
for key, item := range metrics {
for _, line := range item.Lines {
if _, ok := indexMetrics[line.Metric.Label]; !ok{
indexMetrics[line.Metric.Label] = util.MapStr{
}
}
indexMetrics[line.Metric.Label][key] = line.Data
}
}
result := util.MapStr{}
for _, nodeID := range nodeIDs {
source := util.MapStr{}
source["summary"] = statusMap[nodeID]
source["metrics"] = util.MapStr{
"status": util.MapStr{
"metric": util.MapStr{
"label": "Recent Node Status",
"units": "day",
},
"data": statusMetric[nodeID],
},
"indexing": util.MapStr{
"metric": util.MapStr{
"label": "Indexing",
"units": "s",
},
"data": indexMetrics[nodeID]["indexing"],
},
"search": util.MapStr{
"metric": util.MapStr{
"label": "Search",
"units": "s",
},
"data": indexMetrics[nodeID]["search"],
},
}
result[nodeID] = source
}
h.WriteJSON(w, result, http.StatusOK)
}
func (h *APIHandler) GetNodeInfo(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
clusterID := ps.MustGetParameter("id")
nodeID := ps.MustGetParameter("node_id")
q := orm.Query{
Size: 1,
}
q.AddSort("timestamp", orm.DESC)
q.Conds = orm.And(orm.Eq("metadata.node_id", nodeID), orm.Eq("metadata.cluster_id", clusterID))
err, res := orm.Search(&elastic.NodeConfig{}, &q)
if err != nil {
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
response := elastic.SearchResponse{}
util.FromJSONBytes(res.Raw, &response)
//if len(response.Hits.Hits) == 0 {
// h.WriteError(w, "", http.StatusNotFound)
// return
//}
q1 := orm.Query{
Size: 1,
WildcardIndex: true,
}
q1.Conds = orm.And(
orm.Eq("metadata.category", "elasticsearch"),
orm.Eq("metadata.name", "node_stats"),
orm.Eq("metadata.labels.node_id", nodeID),
)
q1.Collapse("metadata.labels.node_id")
q1.AddSort("timestamp", orm.DESC)
err, result := orm.Search(&event.Event{}, &q1)
kvs := util.MapStr{}
if len(result.Result) > 0 {
vresult, ok := result.Result[0].(map[string]interface{})
if ok {
transportAddress, ok := util.GetMapValueByKeys([]string{"metadata", "labels", "transport_address"}, vresult)
if ok {
kvs["transport_address"] = transportAddress
}
kvs["timestamp"] = vresult["timestamp"]
if vresult["timestamp"] != nil {
if ts, ok := vresult["timestamp"].(string); ok {
tt, _ := time.Parse(time.RFC3339, ts)
if time.Now().Sub(tt).Seconds() > 30 {
kvs["status"] = "unavailable"
}else{
kvs["status"] = "available"
}
}
}
roles, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "roles"}, vresult)
if ok {
kvs["roles"] = roles
}
fsTotal, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "fs", "total"}, vresult)
if ok {
kvs["fs"] = util.MapStr{
"total": fsTotal,
}
}
jvm, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "jvm"}, vresult)
if ok {
if jvmVal, ok := jvm.(map[string]interface{});ok {
kvs["jvm"] = util.MapStr{
"mem": jvmVal["mem"],
"uptime": jvmVal["uptime_in_millis"],
}
}
}
indices := util.MapStr{}
docs, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "indices", "docs"}, vresult)
if ok {
indices["docs"] = docs
}
store, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "indices", "store"}, vresult)
if ok {
indices["store"] = store
}
kvs["indices"] = indices
shardInfo, ok := util.GetMapValueByKeys([]string{"payload", "elasticsearch", "node_stats", "shard_info"}, vresult)
if ok {
kvs["shard_info"] = shardInfo
}
}
}
if len( response.Hits.Hits) > 0 {
hit := response.Hits.Hits[0]
innerMetaData, _ := util.GetMapValueByKeys([]string{"metadata", "labels"}, hit.Source)
if mp, ok := innerMetaData.(map[string]interface{}); ok {
kvs["transport_address"] = mp["transport_address"]
kvs["roles"] = mp["roles"]
if kvs["status"] != "available" {
kvs["status"] = mp["status"]
kvs["timestamp"] = hit.Source["timestamp"]
}
}
}
if meta := elastic.GetMetadata(clusterID); meta != nil && meta.ClusterState != nil {
kvs["is_master_node"] = meta.ClusterState.MasterNode == nodeID
}
h.WriteJSON(w, kvs, http.StatusOK)
}
const (
NodeCPUJVMMetricKey = "jvm"
NodeHealthMetricKey = "node_health"
ShardStateMetricKey = "shard_state"
)
func (h *APIHandler) GetSingleNodeMetrics(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
clusterID := ps.MustGetParameter("id")
clusterUUID, err := adapter.GetClusterUUID(clusterID)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
nodeID := ps.MustGetParameter("node_id")
var must = []util.MapStr{
{
"term":util.MapStr{
"metadata.labels.cluster_uuid":util.MapStr{
"value": clusterUUID,
},
},
},
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "node_stats",
},
},
},
{
"term": util.MapStr{
"metadata.labels.node_id": util.MapStr{
"value": nodeID,
},
},
},
}
resBody := map[string]interface{}{}
bucketSize, min, max, err := h.getMetricRangeAndBucketSize(req,10,60)
if err != nil {
log.Error(err)
resBody["error"] = err
h.WriteJSON(w, resBody, http.StatusInternalServerError)
return
}
query:=map[string]interface{}{}
query["query"]=util.MapStr{
"bool": util.MapStr{
"must": must,
"filter": []util.MapStr{
{
"range": util.MapStr{
"timestamp": util.MapStr{
"gte": min,
"lte": max,
},
},
},
},
},
}
bucketSizeStr:=fmt.Sprintf("%vs",bucketSize)
metricItems:=[]*common.MetricItem{}
metricKey := 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 := map[string]*common.MetricItem{}
if metricKey == NodeHealthMetricKey {
healthMetric, err := getNodeHealthMetric(ctx, query, bucketSize)
if err != nil {
log.Error(err)
h.WriteError(w, err.Error(), http.StatusInternalServerError)
return
}
metrics["node_health"] = healthMetric
}else if metricKey == ShardStateMetricKey {
query = util.MapStr{
"size": 0,
"query": util.MapStr{
"bool": util.MapStr{
"must": []util.MapStr{
{
"term":util.MapStr{
"metadata.labels.cluster_uuid":util.MapStr{
"value": clusterUUID,
},
},
},
{
"term": util.MapStr{
"metadata.category": util.MapStr{
"value": "elasticsearch",
},
},
},
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "shard_stats",
},
},
},
{
"term": util.MapStr{
"metadata.labels.node_id": util.MapStr{
"value": nodeID,
},
},
},
},
"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["shard_state"] = shardStateMetric
}else{
switch metricKey {
case NodeProcessCPUMetricKey:
metricItem:=newMetricItem("cpu", 1, SystemGroupKey)
metricItem.AddAxi("cpu","group1",common.PositionLeft,"ratio","0.[0]","0.[0]",5,true)
metricItem.AddLine("Process CPU","Process CPU","process cpu used percent of node.","group1","payload.elasticsearch.node_stats.process.cpu.percent","max",bucketSizeStr,"%","num","0,0.[00]","0,0.[00]",false,false)
metricItem.AddLine("OS CPU","OS CPU","process cpu used percent of node.","group1","payload.elasticsearch.node_stats.os.cpu.percent","max",bucketSizeStr,"%","num","0,0.[00]","0,0.[00]",false,false)
metricItems=append(metricItems,metricItem)
case NodeCPUJVMMetricKey:
metricItem := newMetricItem("jvm", 2, SystemGroupKey)
metricItem.AddAxi("JVM Heap","group1",common.PositionLeft,"bytes","0.[0]","0.[0]",5,true)
metricItem.AddLine("Max Heap","Max Heap","JVM max Heap of node.","group1","payload.elasticsearch.node_stats.jvm.mem.heap_max_in_bytes","max",bucketSizeStr,"","bytes","0,0.[00]","0,0.[00]",false,false)
metricItem.AddLine("Used Heap","Used Heap","JVM used Heap of node.","group1","payload.elasticsearch.node_stats.jvm.mem.heap_used_in_bytes","max",bucketSizeStr,"","bytes","0,0.[00]","0,0.[00]",false,false)
metricItems=append(metricItems,metricItem)
case IndexThroughputMetricKey:
metricItem := newMetricItem("index_throughput", 3, OperationGroupKey)
metricItem.AddAxi("indexing","group1",common.PositionLeft,"num","0,0","0,0.[00]",5,true)
metricItem.AddLine("Indexing Rate","Total Shards","Number of documents being indexed for node.","group1","payload.elasticsearch.node_stats.indices.indexing.index_total","max",bucketSizeStr,"doc/s","num","0,0.[00]","0,0.[00]",false,true)
metricItems=append(metricItems,metricItem)
case SearchThroughputMetricKey:
metricItem := newMetricItem("search_throughput", 4, OperationGroupKey)
metricItem.AddAxi("searching","group1",common.PositionLeft,"num","0,0","0,0.[00]",5,false)
metricItem.AddLine("Search Rate","Total Shards",
"Number of search requests being executed.",
"group1","payload.elasticsearch.node_stats.indices.search.query_total","max",bucketSizeStr,"query/s","num","0,0.[00]","0,0.[00]",false,true)
metricItems=append(metricItems,metricItem)
case IndexLatencyMetricKey:
metricItem := newMetricItem("index_latency", 5, LatencyGroupKey)
metricItem.AddAxi("indexing","group1",common.PositionLeft,"num","0,0","0,0.[00]",5,true)
metricItem.AddLine("Indexing","Indexing Latency","Average latency for indexing documents.","group1","payload.elasticsearch.node_stats.indices.indexing.index_time_in_millis","max",bucketSizeStr,"ms","num","0,0.[00]","0,0.[00]",false,true)
metricItem.Lines[0].Metric.Field2 = "payload.elasticsearch.node_stats.indices.indexing.index_total"
metricItem.Lines[0].Metric.Calc = func(value, value2 float64) float64 {
return value/value2
}
metricItem.AddLine("Indexing","Delete Latency","Average latency for delete documents.","group1","payload.elasticsearch.node_stats.indices.indexing.delete_time_in_millis","max",bucketSizeStr,"ms","num","0,0.[00]","0,0.[00]",false,true)
metricItem.Lines[1].Metric.Field2 = "payload.elasticsearch.node_stats.indices.indexing.delete_total"
metricItem.Lines[1].Metric.Calc = func(value, value2 float64) float64 {
return value/value2
}
metricItems=append(metricItems,metricItem)
case SearchLatencyMetricKey:
metricItem := newMetricItem("search_latency", 6, LatencyGroupKey)
metricItem.AddAxi("searching","group2",common.PositionLeft,"num","0,0","0,0.[00]",5,false)
metricItem.AddLine("Searching","Query Latency","Average latency for searching query.","group2","payload.elasticsearch.node_stats.indices.search.query_time_in_millis","max",bucketSizeStr,"ms","num","0,0.[00]","0,0.[00]",false,true)
metricItem.Lines[0].Metric.Field2 = "payload.elasticsearch.node_stats.indices.search.query_total"
metricItem.Lines[0].Metric.Calc = func(value, value2 float64) float64 {
return value/value2
}
metricItem.AddLine("Searching","Fetch Latency","Average latency for searching fetch.","group2","payload.elasticsearch.node_stats.indices.search.fetch_time_in_millis","max",bucketSizeStr,"ms","num","0,0.[00]","0,0.[00]",false,true)
metricItem.Lines[1].Metric.Field2 = "payload.elasticsearch.node_stats.indices.search.fetch_total"
metricItem.Lines[1].Metric.Calc = func(value, value2 float64) float64 {
return value/value2
}
metricItem.AddLine("Searching","Scroll Latency","Average latency for searching fetch.","group2","payload.elasticsearch.node_stats.indices.search.scroll_time_in_millis","max",bucketSizeStr,"ms","num","0,0.[00]","0,0.[00]",false,true)
metricItem.Lines[2].Metric.Field2 = "payload.elasticsearch.node_stats.indices.search.scroll_total"
metricItem.Lines[2].Metric.Calc = func(value, value2 float64) float64 {
return value/value2
}
metricItems=append(metricItems,metricItem)
case ParentBreakerMetricKey:
metricItem := newMetricItem("parent_breaker", 8, SystemGroupKey)
metricItem.AddLine("Parent Breaker Tripped","Parent Breaker Tripped","Rate of the circuit breaker has been triggered and prevented an out of memory error.","group1","payload.elasticsearch.node_stats.breakers.parent.tripped","max",bucketSizeStr,"times/s","num","0,0.[00]","0,0.[00]",false,true)
metricItems=append(metricItems,metricItem)
}
metrics = h.getSingleMetrics(ctx, metricItems,query, bucketSize)
}
resBody["metrics"] = metrics
h.WriteJSON(w, resBody, http.StatusOK)
}
func getNodeShardStateMetric(ctx context.Context, query util.MapStr, bucketSize int)(*common.MetricItem, error){
bucketSizeStr:=fmt.Sprintf("%vs",bucketSize)
intervalField, err := getDateHistogramIntervalField(global.MustLookupString(elastic.GlobalSystemElasticsearchID), bucketSizeStr)
if err != nil {
return nil, err
}
query["aggs"] = util.MapStr{
"dates": util.MapStr{
"date_histogram": util.MapStr{
"field": "timestamp",
intervalField: bucketSizeStr,
},
"aggs": util.MapStr{
"groups": util.MapStr{
"terms": util.MapStr{
"field": "payload.elasticsearch.shard_stats.routing.state",
"size": 10,
},
},
},
},
}
queryDSL := util.MustToJSONBytes(query)
response, err := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).QueryDSL(ctx, getAllMetricsIndex(), nil, queryDSL)
if err != nil {
log.Error(err)
return nil, err
}
metricItem:=newMetricItem("shard_state", 0, "")
metricItem.AddLine("Shard State","Shard State","","group1","payload.elasticsearch.shard_stats.routing.state","count",bucketSizeStr,"","ratio","0.[00]","0.[00]",false,false)
metricData := []interface{}{}
if response.StatusCode == 200 {
metricData, err = parseGroupMetricData(response.Aggregations["dates"].Buckets, false)
if err != nil {
return nil, err
}
}
metricItem.Lines[0].Data = metricData
metricItem.Lines[0].Type = common.GraphTypeBar
metricItem.Request = string(queryDSL)
return metricItem, nil
}
func getNodeHealthMetric(ctx context.Context, query util.MapStr, bucketSize int)(*common.MetricItem, error){
bucketSizeStr:=fmt.Sprintf("%vs",bucketSize)
intervalField, err := getDateHistogramIntervalField(global.MustLookupString(elastic.GlobalSystemElasticsearchID), bucketSizeStr)
if err != nil {
return nil, err
}
query["aggs"] = util.MapStr{
"dates": util.MapStr{
"date_histogram": util.MapStr{
"field": "timestamp",
intervalField: bucketSizeStr,
},
"aggs": util.MapStr{
"min_uptime": util.MapStr{
"min": util.MapStr{
"field": "payload.elasticsearch.node_stats.jvm.uptime_in_millis",
},
},
},
},
}
queryDSL := util.MustToJSONBytes(query)
response, err := elastic.GetClient(global.MustLookupString(elastic.GlobalSystemElasticsearchID)).QueryDSL(ctx, getAllMetricsIndex(), nil, queryDSL)
if err != nil {
log.Error(err)
return nil, err
}
metricItem:=newMetricItem("node_health", 0, "")
metricItem.AddLine("Node health","Node Health","","group1","payload.elasticsearch.node_stats.jvm.uptime_in_millis","min",bucketSizeStr,"%","ratio","0.[00]","0.[00]",false,false)
metricData := []interface{}{}
if response.StatusCode == 200 {
for _, bucket := range response.Aggregations["dates"].Buckets {
v, ok := bucket["key"].(float64)
if !ok {
log.Error("invalid bucket key")
return nil, fmt.Errorf("invalid bucket key")
}
dateTime := int64(v)
statusKey := "available"
if uptimeAgg, ok := bucket["min_uptime"].(map[string]interface{}); ok {
if _, ok = uptimeAgg["value"].(float64); !ok {
statusKey = "unavailable"
}
metricData = append(metricData, map[string]interface{}{
"x": dateTime,
"y": 100,
"g": statusKey,
})
}
}
}
metricItem.Request = string(queryDSL)
metricItem.Lines[0].Data = metricData
metricItem.Lines[0].Type = common.GraphTypeBar
return metricItem, nil
}
func getNodeOnlineStatusOfRecentDay(nodeIDs []string)(map[string][]interface{}, error){
q := orm.Query{
WildcardIndex: true,
}
query := util.MapStr{
"aggs": util.MapStr{
"group_by_node_id": util.MapStr{
"terms": util.MapStr{
"field": "metadata.labels.node_id",
"size": 100,
},
"aggs": util.MapStr{
"uptime_histogram": util.MapStr{
"date_range": util.MapStr{
"field": "timestamp",
"format": "yyyy-MM-dd",
"time_zone": "+08:00",
"ranges": []util.MapStr{
{
"from": "now-13d/d",
"to": "now-12d/d",
}, {
"from": "now-12d/d",
"to": "now-11d/d",
},
{
"from": "now-11d/d",
"to": "now-10d/d",
},
{
"from": "now-10d/d",
"to": "now-9d/d",
}, {
"from": "now-9d/d",
"to": "now-8d/d",
},
{
"from": "now-8d/d",
"to": "now-7d/d",
},
{
"from": "now-7d/d",
"to": "now-6d/d",
},
{
"from": "now-6d/d",
"to": "now-5d/d",
}, {
"from": "now-5d/d",
"to": "now-4d/d",
},
{
"from": "now-4d/d",
"to": "now-3d/d",
},{
"from": "now-3d/d",
"to": "now-2d/d",
}, {
"from": "now-2d/d",
"to": "now-1d/d",
}, {
"from": "now-1d/d",
"to": "now/d",
},
{
"from": "now/d",
"to": "now",
},
},
},
"aggs": util.MapStr{
"min_uptime": util.MapStr{
"min": util.MapStr{
"field": "payload.elasticsearch.node_stats.jvm.uptime_in_millis",
},
},
},
},
},
},
},
"sort": []util.MapStr{
{
"timestamp": util.MapStr{
"order": "desc",
},
},
},
"size": 0,
"query": util.MapStr{
"bool": util.MapStr{
"filter": []util.MapStr{
{
"range": util.MapStr{
"timestamp": util.MapStr{
"gte":"now-15d",
"lte": "now",
},
},
},
},
"must": []util.MapStr{
{
"term": util.MapStr{
"metadata.name": util.MapStr{
"value": "node_stats",
},
},
},
{
"terms": util.MapStr{