youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/redis/keyspace/data.go

87 lines
2.5 KiB
Go

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