VictoriaMetrics/lib/influxutils/influxutils.go
Aliaksandr Valialkin c1fa9828b3
lib/flagutil: rename Array to ArrayString
This makes the ArrayString more consistent with other Array* types.

While at it, add ArrayBytes type, which will be used for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3071
2022-10-01 18:26:36 +03:00

30 lines
1.1 KiB
Go

package influxutils
import (
"fmt"
"net/http"
"strings"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
)
var influxDatabaseNames = flagutil.NewArrayString("influx.databaseNames", "Comma-separated list of database names to return from /query and /influx/query API. "+
"This can be needed for accepting data from Telegraf plugins such as https://github.com/fangli/fluent-plugin-influxdb")
// WriteDatabaseNames writes influxDatabaseNames to w.
func WriteDatabaseNames(w http.ResponseWriter) {
// Emulate fake response for influx query.
// This is required for TSBS benchmark and some Telegraf plugins.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1124
w.Header().Set("Content-Type", "application/json")
dbNames := *influxDatabaseNames
if len(dbNames) == 0 {
dbNames = []string{"_internal"}
}
dbs := make([]string, len(dbNames))
for i := range dbNames {
dbs[i] = fmt.Sprintf(`[%q]`, dbNames[i])
}
fmt.Fprintf(w, `{"results":[{"statement_id":0,"series":[{"name":"databases","columns":["name"],"values":[%s]}]}]}`, strings.Join(dbs, ","))
}