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feat: provide metrics endpoint (#3902)

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* feat: provide metrics endpoint

* config

* enable otel metrics by default

Co-authored-by: Florian Forster <florian@caos.ch>
This commit is contained in:
Livio Spring
2022-07-18 10:42:32 +02:00
committed by GitHub
parent 7ef9dcbf50
commit 9b6dad18cb
9 changed files with 72 additions and 59 deletions
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57
internal/telemetry/metrics/config/config.go
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@@ -1,65 +1,30 @@
package config
import (
"encoding/json"
"github.com/zitadel/zitadel/internal/errors"
"github.com/zitadel/zitadel/internal/telemetry/metrics"
"github.com/zitadel/zitadel/internal/telemetry/metrics/otel"
)
type MetricsConfig struct {
type Config struct {
Type string
Config metrics.Config
Config map[string]interface{} `mapstructure:",remain"`
}
var meter = map[string]func() metrics.Config{
"otel": func() metrics.Config { return &otel.Config{} },
"none": func() metrics.Config { return &NoMetrics{} },
"": func() metrics.Config { return &NoMetrics{} },
var meter = map[string]func(map[string]interface{}) error{
"otel": otel.NewTracerFromConfig,
"none": NoMetrics,
"": NoMetrics,
}
func (c *MetricsConfig) UnmarshalJSON(data []byte) error {
var rc struct {
Type string
Config json.RawMessage
}
if err := json.Unmarshal(data, &rc); err != nil {
return errors.ThrowInternal(err, "METER-4M9so", "error parsing config")
}
c.Type = rc.Type
var err error
c.Config, err = newMetricsConfig(c.Type, rc.Config)
if err != nil {
return err
}
return c.Config.NewMetrics()
}
func newMetricsConfig(tracerType string, configData []byte) (metrics.Config, error) {
t, ok := meter[tracerType]
func (c *Config) NewMeter() error {
t, ok := meter[c.Type]
if !ok {
return nil, errors.ThrowInternalf(nil, "METER-3M0ps", "config type %s not supported", tracerType)
return errors.ThrowInternalf(nil, "METER-Dfqsx", "config type %s not supported", c.Type)
}
metricsConfig := t()
if len(configData) == 0 {
return metricsConfig, nil
}
if err := json.Unmarshal(configData, metricsConfig); err != nil {
return nil, errors.ThrowInternal(err, "METER-4M9sf", "Could not read config: %v")
}
return metricsConfig, nil
return t(c.Config)
}
type NoMetrics struct{}
func (_ *NoMetrics) NewMetrics() error {
func NoMetrics(_ map[string]interface{}) error {
return nil
}