storj/pkg/process/metrics.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package process
import (
"context"
"flag"
"os"
"path/filepath"
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hw "github.com/jtolds/monkit-hw"
"github.com/zeebo/admission/admproto"
"go.uber.org/zap"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
"gopkg.in/spacemonkeygo/monkit.v2/environment"
"storj.io/storj/pkg/identity"
"storj.io/storj/pkg/telemetry"
)
var (
metricInterval = flag.Duration("metrics.interval", telemetry.DefaultInterval, "how frequently to send up telemetry")
metricCollector = flag.String("metrics.addr", "collectora.storj.io:9000", "address to send telemetry to")
metricApp = flag.String("metrics.app", filepath.Base(os.Args[0]), "application name for telemetry identification")
metricAppSuffix = flag.String("metrics.app-suffix", "-dev", "application suffix")
)
// InitMetrics initializes telemetry reporting. Makes a telemetry.Client and calls
// its Run() method in a goroutine.
func InitMetrics(ctx context.Context, r *monkit.Registry, instanceID string) (
err error) {
if *metricCollector == "" || *metricInterval == 0 {
return Error.New("telemetry disabled")
}
if r == nil {
r = monkit.Default
}
if instanceID == "" {
instanceID = telemetry.DefaultInstanceID()
}
c, err := telemetry.NewClient(*metricCollector, telemetry.ClientOpts{
Interval: *metricInterval,
Application: *metricApp + *metricAppSuffix,
Instance: instanceID,
Registry: r,
FloatEncoding: admproto.Float32Encoding,
})
if err != nil {
return err
}
environment.Register(r)
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hw.Register(r)
go c.Run(ctx)
return nil
}
// InitMetricsWithCertPath initializes telemetry reporting, using the node ID
// corresponding to the given certificate as the telemetry instance ID.
func InitMetricsWithCertPath(ctx context.Context, r *monkit.Registry, certPath string) error {
var metricsID string
nodeID, err := identity.NodeIDFromCertPath(certPath)
if err != nil {
zap.S().Errorf("Could not read identity for telemetry setup: %v", err)
metricsID = "" // InitMetrics() will fill in a default value
} else {
metricsID = nodeID.String()
}
return InitMetrics(ctx, r, metricsID)
}