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cmd/geth: export metrics to InfluxDB (#16979)

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* cmd/geth: add flags for metrics export

* cmd/geth: update usage fields for metrics flags

* metrics/influxdb: update reporter logger to adhere to geth logging convention
This commit is contained in:
Anton Evangelatov
2018-07-02 14:51:02 +02:00
committed by Péter Szilágyi
parent 223d943481
commit 1990c9e621
4 changed files with 93 additions and 11 deletions
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66
cmd/utils/flags.go
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@ -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"
@ -360,10 +362,6 @@ var (
Name: "ethstats",
Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)",
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enable metrics collection and reporting",
}
FakePoWFlag = cli.BoolFlag{
Name: "fakepow",
Usage: "Disables proof-of-work verification",
@ -532,6 +530,45 @@ var (
Usage: "Minimum POW accepted",
Value: whisper.DefaultMinimumPoW,
}
// Metrics flags
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enable metrics collection and reporting",
}
MetricsEnableInfluxDBFlag = cli.BoolFlag{
Name: "metrics.influxdb",
Usage: "Enable metrics export/push to an external InfluxDB database",
}
MetricsInfluxDBEndpointFlag = cli.StringFlag{
Name: "metrics.influxdb.endpoint",
Usage: "InfluxDB API endpoint to report metrics to",
Value: "http://localhost:8086",
}
MetricsInfluxDBDatabaseFlag = cli.StringFlag{
Name: "metrics.influxdb.database",
Usage: "InfluxDB database name to push reported metrics to",
Value: "geth",
}
MetricsInfluxDBUsernameFlag = cli.StringFlag{
Name: "metrics.influxdb.username",
Usage: "Username to authorize access to the database",
Value: "test",
}
MetricsInfluxDBPasswordFlag = cli.StringFlag{
Name: "metrics.influxdb.password",
Usage: "Password to authorize access to the database",
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: "InfluxDB `host` tag attached to all measurements",
Value: "localhost",
}
)
// MakeDataDir retrieves the currently requested data directory, terminating
@ -1184,6 +1221,27 @@ 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(MetricsEnableInfluxDBFlag.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 (