diff --git a/cmd/geth/main.go b/cmd/geth/main.go index edf2a557a7..c46468169b 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -144,6 +144,15 @@ var ( utils.WhisperMaxMessageSizeFlag, utils.WhisperMinPOWFlag, } + + metricsFlags = []cli.Flag{ + utils.MetricsEnableInfluxDBExportFlag, + utils.MetricsInfluxDBEndpointFlag, + utils.MetricsInfluxDBDatabaseFlag, + utils.MetricsInfluxDBUsernameFlag, + utils.MetricsInfluxDBPasswordFlag, + utils.MetricsInfluxDBHostTagFlag, + } ) func init() { @@ -186,6 +195,7 @@ func init() { app.Flags = append(app.Flags, consoleFlags...) app.Flags = append(app.Flags, debug.Flags...) app.Flags = append(app.Flags, whisperFlags...) + app.Flags = append(app.Flags, metricsFlags...) app.Before = func(ctx *cli.Context) error { runtime.GOMAXPROCS(runtime.NumCPU()) @@ -208,6 +218,9 @@ func init() { log.Debug("Sanitizing Go's GC trigger", "percent", int(gogc)) godebug.SetGCPercent(int(gogc)) + // Start metrics export if enabled + utils.SetupMetrics(ctx) + // Start system runtime metrics collection go metrics.CollectProcessMetrics(3 * time.Second) diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index ef5f6a9f08..ef1594086d 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -27,6 +27,7 @@ import ( "runtime" "strconv" "strings" + "time" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/accounts/keystore" @@ -48,6 +49,7 @@ import ( "github.com/ethereum/go-ethereum/les" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/metrics" + "github.com/ethereum/go-ethereum/metrics/influxdb" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/p2p/discover" @@ -532,6 +534,41 @@ var ( Usage: "Minimum POW accepted", Value: whisper.DefaultMinimumPoW, } + + // Metrics flags + MetricsEnableInfluxDBExportFlag = cli.BoolFlag{ + Name: "metrics.influxdb.export", + Usage: "Enable metrics export/push to an external InfluxDB database", + } + MetricsInfluxDBEndpointFlag = cli.StringFlag{ + Name: "metrics.influxdb.endpoint", + Usage: "Metrics InfluxDB endpoint", + Value: "http://localhost: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: "test", + } + MetricsInfluxDBPasswordFlag = cli.StringFlag{ + Name: "metrics.influxdb.password", + Usage: "Metrics InfluxDB password", + Value: "test", + } + // 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", + } ) // MakeDataDir retrieves the currently requested data directory, terminating @@ -1181,6 +1218,27 @@ func SetupNetwork(ctx *cli.Context) { params.TargetGasLimit = ctx.GlobalUint64(TargetGasLimitFlag.Name) } +func SetupMetrics(ctx *cli.Context) { + if metrics.Enabled { + log.Info("Enabling metrics collection") + var ( + enableExport = ctx.GlobalBool(MetricsEnableInfluxDBExportFlag.Name) + 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) + ) + + if enableExport { + log.Info("Enabling metrics export to InfluxDB") + go influxdb.InfluxDBWithTags(metrics.DefaultRegistry, 10*time.Second, endpoint, database, username, password, "geth.", map[string]string{ + "host": hosttag, + }) + } + } +} + // MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails. func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database { var (