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Add OpenTelemetry tracing and metrics support

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Tom Moulard 2022-11-29 15:34:05 +01:00 • committed by GitHub
parent db287c4d31
commit 0d81fac3fc
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19 changed files with 2199 additions and 90 deletions
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37
pkg/types/metrics.go
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@ -10,11 +10,12 @@ import (
// Metrics provides options to expose and send Traefik metrics to different third party monitoring systems.
type Metrics struct {
Prometheus *Prometheus `description:"Prometheus metrics exporter type." json:"prometheus,omitempty" toml:"prometheus,omitempty" yaml:"prometheus,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Datadog *Datadog `description:"Datadog metrics exporter type." json:"datadog,omitempty" toml:"datadog,omitempty" yaml:"datadog,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
StatsD *Statsd `description:"StatsD metrics exporter type." json:"statsD,omitempty" toml:"statsD,omitempty" yaml:"statsD,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
InfluxDB *InfluxDB `description:"InfluxDB metrics exporter type." json:"influxDB,omitempty" toml:"influxDB,omitempty" yaml:"influxDB,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
InfluxDB2 *InfluxDB2 `description:"InfluxDB v2 metrics exporter type." json:"influxDB2,omitempty" toml:"influxDB2,omitempty" yaml:"influxDB2,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Prometheus *Prometheus `description:"Prometheus metrics exporter type." json:"prometheus,omitempty" toml:"prometheus,omitempty" yaml:"prometheus,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Datadog *Datadog `description:"Datadog metrics exporter type." json:"datadog,omitempty" toml:"datadog,omitempty" yaml:"datadog,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
StatsD *Statsd `description:"StatsD metrics exporter type." json:"statsD,omitempty" toml:"statsD,omitempty" yaml:"statsD,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
InfluxDB *InfluxDB `description:"InfluxDB metrics exporter type." json:"influxDB,omitempty" toml:"influxDB,omitempty" yaml:"influxDB,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
InfluxDB2 *InfluxDB2 `description:"InfluxDB v2 metrics exporter type." json:"influxDB2,omitempty" toml:"influxDB2,omitempty" yaml:"influxDB2,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
OpenTelemetry *OpenTelemetry `description:"OpenTelemetry metrics exporter type." json:"openTelemetry,omitempty" toml:"openTelemetry,omitempty" yaml:"openTelemetry,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
}
// Prometheus can contain specific configuration used by the Prometheus Metrics exporter.
@ -127,6 +128,32 @@ func (i *InfluxDB2) SetDefaults() {
i.AddServicesLabels = true
}
// OpenTelemetry contains specific configuration used by the OpenTelemetry Metrics exporter.
type OpenTelemetry struct {
// NOTE: as no gRPC option is implemented yet, the type is empty and is used as a boolean for upward compatibility purposes.
GRPC *struct{} `description:"gRPC specific configuration for the OpenTelemetry collector." json:"grpc,omitempty" toml:"grpc,omitempty" yaml:"grpc,omitempty" export:"true" label:"allowEmpty" file:"allowEmpty"`
Address string `description:"Address (host:port) of the collector endpoint." json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"`
AddEntryPointsLabels bool `description:"Enable metrics on entry points." json:"addEntryPointsLabels,omitempty" toml:"addEntryPointsLabels,omitempty" yaml:"addEntryPointsLabels,omitempty" export:"true"`
AddRoutersLabels bool `description:"Enable metrics on routers." json:"addRoutersLabels,omitempty" toml:"addRoutersLabels,omitempty" yaml:"addRoutersLabels,omitempty" export:"true"`
AddServicesLabels bool `description:"Enable metrics on services." json:"addServicesLabels,omitempty" toml:"addServicesLabels,omitempty" yaml:"addServicesLabels,omitempty" export:"true"`
ExplicitBoundaries []float64 `description:"Boundaries for latency metrics." json:"explicitBoundaries,omitempty" toml:"explicitBoundaries,omitempty" yaml:"explicitBoundaries,omitempty" export:"true"`
Headers map[string]string `description:"Headers sent with payload." json:"headers,omitempty" toml:"headers,omitempty" yaml:"headers,omitempty" export:"true"`
Insecure bool `description:"Disables client transport security for the exporter." json:"insecure,omitempty" toml:"insecure,omitempty" yaml:"insecure,omitempty" export:"true"`
Path string `description:"Set the URL path of the collector endpoint." json:"path,omitempty" toml:"path,omitempty" yaml:"path,omitempty" export:"true"`
PushInterval types.Duration `description:"Period between calls to collect a checkpoint." json:"pushInterval,omitempty" toml:"pushInterval,omitempty" yaml:"pushInterval,omitempty" export:"true"`
TLS *ClientTLS `description:"Enable TLS support." json:"tls,omitempty" toml:"tls,omitempty" yaml:"tls,omitempty" export:"true"`
}
// SetDefaults sets the default values.
func (o *OpenTelemetry) SetDefaults() {
o.Address = "localhost:4318"
o.AddEntryPointsLabels = true
o.AddServicesLabels = true
o.ExplicitBoundaries = []float64{.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10}
o.PushInterval = types.Duration(10 * time.Second)
}
// Statistics provides options for monitoring request and response stats.
type Statistics struct {
RecentErrors int `description:"Number of recent errors logged." json:"recentErrors,omitempty" toml:"recentErrors,omitempty" yaml:"recentErrors,omitempty" export:"true"`