154ebdea69
https://storjlabs.atlassian.net/browse/SM-157 Change-Id: If91c5a41234fac5ee93b151fc6799c07e0250239
107 lines
3.3 KiB
Go
107 lines
3.3 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package process
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import (
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"context"
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"flag"
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"os"
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"path/filepath"
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"strings"
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hw "github.com/jtolds/monkit-hw/v2"
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"github.com/spacemonkeygo/monkit/v3"
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"github.com/spacemonkeygo/monkit/v3/environment"
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"github.com/zeebo/admission/v2/admproto"
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"go.uber.org/zap"
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"storj.io/common/identity"
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"storj.io/storj/pkg/cfgstruct"
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"storj.io/storj/pkg/telemetry"
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"storj.io/storj/private/version"
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)
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var (
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metricInterval = flag.Duration("metrics.interval", telemetry.DefaultInterval, "how frequently to send up telemetry")
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metricCollector = flag.String("metrics.addr", flagDefault("", "collectora.storj.io:9000"), "address to send telemetry to")
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metricApp = flag.String("metrics.app", filepath.Base(os.Args[0]), "application name for telemetry identification")
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metricAppSuffix = flag.String("metrics.app-suffix", flagDefault("-dev", "-release"), "application suffix")
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metricInstancePrefix = flag.String("metrics.instance-prefix", "", "instance id prefix")
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)
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const (
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maxInstanceLength = 52
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)
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func flagDefault(dev, release string) string {
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if cfgstruct.DefaultsType() == "release" {
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return release
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}
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return dev
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}
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// InitMetrics initializes telemetry reporting. Makes a telemetry.Client and calls
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// its Run() method in a goroutine.
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func InitMetrics(ctx context.Context, log *zap.Logger, r *monkit.Registry, instanceID string) (err error) {
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if r == nil {
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r = monkit.Default
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}
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environment.Register(r)
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hw.Register(r)
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r.ScopeNamed("env").Chain(monkit.StatSourceFunc(version.Build.Stats))
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log = log.Named("telemetry")
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if *metricCollector == "" || *metricInterval == 0 {
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log.Info("disabled")
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return nil
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}
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if instanceID == "" {
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instanceID = telemetry.DefaultInstanceID()
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}
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instanceID = *metricInstancePrefix + instanceID
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if len(instanceID) > maxInstanceLength {
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instanceID = instanceID[:maxInstanceLength]
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}
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c, err := telemetry.NewClient(log, *metricCollector, telemetry.ClientOpts{
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Interval: *metricInterval,
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Application: *metricApp + *metricAppSuffix,
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Instance: instanceID,
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Registry: r,
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FloatEncoding: admproto.Float32Encoding,
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})
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if err != nil {
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return err
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}
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go c.Run(ctx)
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return nil
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}
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// InitMetricsWithCertPath initializes telemetry reporting, using the node ID
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// corresponding to the given certificate as the telemetry instance ID.
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func InitMetricsWithCertPath(ctx context.Context, log *zap.Logger, r *monkit.Registry, certPath string) error {
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var metricsID string
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nodeID, err := identity.NodeIDFromCertPath(certPath)
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if err != nil {
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log.Sugar().Errorf("Could not read identity for telemetry setup: %v", err)
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metricsID = "" // InitMetrics() will fill in a default value
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} else {
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metricsID = nodeID.String()
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}
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return InitMetrics(ctx, log, r, metricsID)
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}
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// InitMetricsWithHostname initializes telemetry reporting, using the hostname as the telemetry instance ID.
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func InitMetricsWithHostname(ctx context.Context, log *zap.Logger, r *monkit.Registry) error {
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var metricsID string
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hostname, err := os.Hostname()
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if err != nil {
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log.Sugar().Errorf("Could not read hostname for telemetry setup: %v", err)
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metricsID = "" // InitMetrics() will fill in a default value
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} else {
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metricsID = strings.ReplaceAll(hostname, ".", "_")
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}
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return InitMetrics(ctx, log, r, metricsID)
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}
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