87 lines
2.5 KiB
Go
87 lines
2.5 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package keyspace
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import (
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"strings"
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"github.com/elastic/beats/libbeat/common"
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s "github.com/elastic/beats/libbeat/common/schema"
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c "github.com/elastic/beats/libbeat/common/schema/mapstrstr"
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"github.com/elastic/beats/metricbeat/module/redis"
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)
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// Map data to MapStr
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func eventsMapping(info map[string]string) []common.MapStr {
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events := []common.MapStr{}
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for key, space := range getKeyspaceStats(info) {
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space["id"] = key
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events = append(events, space)
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}
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return events
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}
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func getKeyspaceStats(info map[string]string) map[string]common.MapStr {
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keyspaceMap := findKeyspaceStats(info)
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return parseKeyspaceStats(keyspaceMap)
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}
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// findKeyspaceStats will grep for keyspace ("^db" keys) and return the resulting map
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func findKeyspaceStats(info map[string]string) map[string]string {
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keyspace := map[string]string{}
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for k, v := range info {
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if strings.HasPrefix(k, "db") {
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keyspace[k] = v
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}
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}
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return keyspace
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}
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var schema = s.Schema{
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"keys": c.Int("keys"),
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"expires": c.Int("expires"),
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"avg_ttl": c.Int("avg_ttl"),
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}
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// parseKeyspaceStats resolves the overloaded value string that Redis returns for keyspace
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func parseKeyspaceStats(keyspaceMap map[string]string) map[string]common.MapStr {
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keyspace := map[string]common.MapStr{}
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for k, v := range keyspaceMap {
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// Extract out the overloaded values for db keyspace
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// fmt: info[db0] = keys=795341,expires=0,avg_ttl=0
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dbInfo := redis.ParseRedisLine(v, ",")
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if len(dbInfo) == 3 {
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db := map[string]interface{}{}
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for _, dbEntry := range dbInfo {
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stats := redis.ParseRedisLine(dbEntry, "=")
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if len(stats) == 2 {
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db[stats[0]] = stats[1]
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}
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}
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data, _ := schema.Apply(db)
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keyspace[k] = data
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}
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}
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return keyspace
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}
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