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data.go
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data.go
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package keyspace
import (
"strings"
"github.com/elastic/beats/libbeat/common"
h "github.com/elastic/beats/metricbeat/helper"
"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
}
// 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]string{}
for _, dbEntry := range dbInfo {
stats := redis.ParseRedisLine(dbEntry, "=")
if len(stats) == 2 {
db[stats[0]] = stats[1]
}
}
keyspace[k] = common.MapStr{
"keys": h.ToInt("keys", db),
"expires": h.ToInt("expires", db),
"avg_ttl": h.ToInt("avg_ttl", db),
}
}
}
return keyspace
}