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21acf0bc8d
This PR is replacing the metrics.influxdb.host.tag cmd-line flag with metrics.influxdb.tags - a comma-separated key/value tags, that are passed to the InfluxDB reporter, so that we can index measurements with multiple tags, and not just one host tag. This will be useful for Swarm, where we want to index measurements not just with the host tag, but also with bzzkey and git commit version (for long-running deployments).
109 lines
4.1 KiB
Go
109 lines
4.1 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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gethmetrics "github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/metrics/influxdb"
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"github.com/ethereum/go-ethereum/swarm/log"
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cli "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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MetricsEnableInfluxDBAccountingExportFlag = cli.BoolFlag{
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Name: "metrics.influxdb.accounting",
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Usage: "Enable accounting 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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// Tags are part of every measurement sent to InfluxDB. Queries on tags are faster in InfluxDB.
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// For example `host` tag could be used so that we can group all nodes and average a measurement
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// across all of them, but also so 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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MetricsInfluxDBTagsFlag = cli.StringFlag{
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Name: "metrics.influxdb.tags",
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Usage: "Comma-separated InfluxDB tags (key/values) attached to all measurements",
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Value: "host=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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MetricsEnableInfluxDBAccountingExportFlag,
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MetricsInfluxDBEndpointFlag,
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MetricsInfluxDBDatabaseFlag,
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MetricsInfluxDBUsernameFlag,
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MetricsInfluxDBPasswordFlag,
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MetricsInfluxDBTagsFlag,
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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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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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enableExport = ctx.GlobalBool(MetricsEnableInfluxDBExportFlag.Name)
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enableAccountingExport = ctx.GlobalBool(MetricsEnableInfluxDBAccountingExportFlag.Name)
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)
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// Start system runtime metrics collection
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go gethmetrics.CollectProcessMetrics(2 * time.Second)
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tagsMap := utils.SplitTagsFlag(ctx.GlobalString(MetricsInfluxDBTagsFlag.Name))
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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.", tagsMap)
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}
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if enableAccountingExport {
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log.Info("Exporting swarm accounting metrics to InfluxDB")
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go influxdb.InfluxDBWithTags(gethmetrics.AccountingRegistry, 10*time.Second, endpoint, database, username, password, "accounting.", tagsMap)
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}
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}
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}
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