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92 lines
3.4 KiB
Go
92 lines
3.4 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package metrics
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import (
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"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/log"
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gethmetrics "github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/metrics/influxdb"
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"gopkg.in/urfave/cli.v1"
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)
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var (
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metricsEnableInfluxDBExportFlag = cli.BoolFlag{
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Name: "metrics.influxdb.export",
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Usage: "Enable metrics export/push to an external InfluxDB database",
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}
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metricsInfluxDBEndpointFlag = cli.StringFlag{
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Name: "metrics.influxdb.endpoint",
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Usage: "Metrics InfluxDB endpoint",
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Value: "http://127.0.0.1:8086",
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}
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metricsInfluxDBDatabaseFlag = cli.StringFlag{
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Name: "metrics.influxdb.database",
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Usage: "Metrics InfluxDB database",
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Value: "metrics",
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}
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metricsInfluxDBUsernameFlag = cli.StringFlag{
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Name: "metrics.influxdb.username",
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Usage: "Metrics InfluxDB username",
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Value: "",
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}
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metricsInfluxDBPasswordFlag = cli.StringFlag{
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Name: "metrics.influxdb.password",
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Usage: "Metrics InfluxDB password",
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Value: "",
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}
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// The `host` tag is part of every measurement sent to InfluxDB. Queries on tags are faster in InfluxDB.
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// It is used so that we can group all nodes and average a measurement across all of them, but also so
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// that we can select a specific node and inspect its measurements.
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// https://docs.influxdata.com/influxdb/v1.4/concepts/key_concepts/#tag-key
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metricsInfluxDBHostTagFlag = cli.StringFlag{
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Name: "metrics.influxdb.host.tag",
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Usage: "Metrics InfluxDB `host` tag attached to all measurements",
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Value: "localhost",
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}
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)
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// Flags holds all command-line flags required for metrics collection.
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var Flags = []cli.Flag{
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utils.MetricsEnabledFlag,
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metricsEnableInfluxDBExportFlag,
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metricsInfluxDBEndpointFlag, metricsInfluxDBDatabaseFlag, metricsInfluxDBUsernameFlag, metricsInfluxDBPasswordFlag, metricsInfluxDBHostTagFlag,
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}
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func Setup(ctx *cli.Context) {
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if gethmetrics.Enabled {
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log.Info("Enabling swarm metrics collection")
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var (
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enableExport = ctx.GlobalBool(metricsEnableInfluxDBExportFlag.Name)
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endpoint = ctx.GlobalString(metricsInfluxDBEndpointFlag.Name)
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database = ctx.GlobalString(metricsInfluxDBDatabaseFlag.Name)
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username = ctx.GlobalString(metricsInfluxDBUsernameFlag.Name)
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password = ctx.GlobalString(metricsInfluxDBPasswordFlag.Name)
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hosttag = ctx.GlobalString(metricsInfluxDBHostTagFlag.Name)
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)
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if enableExport {
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log.Info("Enabling swarm metrics export to InfluxDB")
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go influxdb.InfluxDBWithTags(gethmetrics.DefaultRegistry, 10*time.Second, endpoint, database, username, password, "swarm.", map[string]string{
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"host": hosttag,
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})
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}
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}
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}
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