// Copyright 2018 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library 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 Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see . package metrics import ( "time" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/log" gethmetrics "github.com/ethereum/go-ethereum/metrics" "github.com/ethereum/go-ethereum/metrics/influxdb" "gopkg.in/urfave/cli.v1" ) var ( metricsInfluxDBEndpointFlag = cli.StringFlag{ Name: "metrics.influxdb.endpoint", Usage: "Metrics InfluxDB endpoint", Value: "http://127.0.0.1:8086", } metricsInfluxDBDatabaseFlag = cli.StringFlag{ Name: "metrics.influxdb.database", Usage: "metrics InfluxDB database", Value: "metrics", } metricsInfluxDBUsernameFlag = cli.StringFlag{ Name: "metrics.influxdb.username", Usage: "metrics InfluxDB username", Value: "", } metricsInfluxDBPasswordFlag = cli.StringFlag{ Name: "metrics.influxdb.password", Usage: "metrics InfluxDB password", Value: "", } // The `host` tag is part of every measurement sent to InfluxDB. Queries on tags are faster in InfluxDB. // It is used so that we can group all nodes and average a measurement across all of them, but also so // that we can select a specific node and inspect its measurements. // https://docs.influxdata.com/influxdb/v1.4/concepts/key_concepts/#tag-key metricsInfluxDBHostTagFlag = cli.StringFlag{ Name: "metrics.influxdb.host.tag", Usage: "metrics InfluxDB `host` tag attached to all measurements", Value: "localhost", } ) // Flags holds all command-line flags required for metrics collection. var Flags = []cli.Flag{ utils.MetricsEnabledFlag, metricsInfluxDBEndpointFlag, metricsInfluxDBDatabaseFlag, metricsInfluxDBUsernameFlag, metricsInfluxDBPasswordFlag, metricsInfluxDBHostTagFlag, } func Setup(ctx *cli.Context) { if gethmetrics.Enabled { var ( endpoint = ctx.GlobalString(metricsInfluxDBEndpointFlag.Name) database = ctx.GlobalString(metricsInfluxDBDatabaseFlag.Name) username = ctx.GlobalString(metricsInfluxDBUsernameFlag.Name) password = ctx.GlobalString(metricsInfluxDBPasswordFlag.Name) hosttag = ctx.GlobalString(metricsInfluxDBHostTagFlag.Name) ) log.Info("Enabling swarm metrics collection and export") go influxdb.InfluxDBWithTags(gethmetrics.DefaultRegistry, 10*time.Second, endpoint, database, username, password, "swarm.", map[string]string{ "host": hosttag, }) } }