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authorAnton Evangelatov <anton.evangelatov@gmail.com>2018-07-02 20:51:02 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-07-02 20:51:02 +0800
commit1990c9e6216fd6b25fdf6447844f36405b75c18e (patch)
treea06426641caf1e61ea788a5280d7047981e6ac67
parent223d943481d16c4874165288cfb68e7350a9104e (diff)
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cmd/geth: export metrics to InfluxDB (#16979)
* 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
-rw-r--r--cmd/geth/main.go13
-rw-r--r--cmd/geth/usage.go13
-rw-r--r--cmd/utils/flags.go66
-rw-r--r--metrics/influxdb/influxdb.go12
4 files changed, 93 insertions, 11 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index edf2a557a..f4a0ac5df 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -144,6 +144,15 @@ var (
utils.WhisperMaxMessageSizeFlag,
utils.WhisperMinPOWFlag,
}
+
+ metricsFlags = []cli.Flag{
+ utils.MetricsEnableInfluxDBFlag,
+ 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/geth/usage.go b/cmd/geth/usage.go
index d934c6b02..06db64664 100644
--- a/cmd/geth/usage.go
+++ b/cmd/geth/usage.go
@@ -206,12 +206,23 @@ var AppHelpFlagGroups = []flagGroup{
{
Name: "LOGGING AND DEBUGGING",
Flags: append([]cli.Flag{
- utils.MetricsEnabledFlag,
utils.FakePoWFlag,
utils.NoCompactionFlag,
}, debug.Flags...),
},
{
+ Name: "METRICS AND STATS",
+ Flags: []cli.Flag{
+ utils.MetricsEnabledFlag,
+ utils.MetricsEnableInfluxDBFlag,
+ utils.MetricsInfluxDBEndpointFlag,
+ utils.MetricsInfluxDBDatabaseFlag,
+ utils.MetricsInfluxDBUsernameFlag,
+ utils.MetricsInfluxDBPasswordFlag,
+ utils.MetricsInfluxDBHostTagFlag,
+ },
+ },
+ {
Name: "WHISPER (EXPERIMENTAL)",
Flags: whisperFlags,
},
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 41a1ac35f..a191e4430 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"
@@ -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 (
diff --git a/metrics/influxdb/influxdb.go b/metrics/influxdb/influxdb.go
index d5cb4da66..31a5c21b5 100644
--- a/metrics/influxdb/influxdb.go
+++ b/metrics/influxdb/influxdb.go
@@ -2,10 +2,10 @@ package influxdb
import (
"fmt"
- "log"
uurl "net/url"
"time"
+ "github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/influxdata/influxdb/client"
)
@@ -35,7 +35,7 @@ func InfluxDB(r metrics.Registry, d time.Duration, url, database, username, pass
func InfluxDBWithTags(r metrics.Registry, d time.Duration, url, database, username, password, namespace string, tags map[string]string) {
u, err := uurl.Parse(url)
if err != nil {
- log.Printf("unable to parse InfluxDB url %s. err=%v", url, err)
+ log.Warn("Unable to parse InfluxDB", "url", url, "err", err)
return
}
@@ -51,7 +51,7 @@ func InfluxDBWithTags(r metrics.Registry, d time.Duration, url, database, userna
cache: make(map[string]int64),
}
if err := rep.makeClient(); err != nil {
- log.Printf("unable to make InfluxDB client. err=%v", err)
+ log.Warn("Unable to make InfluxDB client", "err", err)
return
}
@@ -76,15 +76,15 @@ func (r *reporter) run() {
select {
case <-intervalTicker:
if err := r.send(); err != nil {
- log.Printf("unable to send to InfluxDB. err=%v", err)
+ log.Warn("Unable to send to InfluxDB", "err", err)
}
case <-pingTicker:
_, _, err := r.client.Ping()
if err != nil {
- log.Printf("got error while sending a ping to InfluxDB, trying to recreate client. err=%v", err)
+ log.Warn("Got error while sending a ping to InfluxDB, trying to recreate client", "err", err)
if err = r.makeClient(); err != nil {
- log.Printf("unable to make InfluxDB client. err=%v", err)
+ log.Warn("Unable to make InfluxDB client", "err", err)
}
}
}