83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
|
// GoToSocial
|
||
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
||
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
||
|
|
//
|
||
|
|
// This program is free software: you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU Affero General Public License as published by
|
||
|
|
// the Free Software Foundation, either version 3 of the License, or
|
||
|
|
// (at your option) any later version.
|
||
|
|
//
|
||
|
|
// This program is distributed in the hope that it will be useful,
|
||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
// GNU Affero General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU Affero General Public License
|
||
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
//go:build !nometrics
|
||
|
|
|
||
|
|
package metrics
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
|
||
|
|
"github.com/gin-gonic/gin"
|
||
|
|
"github.com/superseriousbusiness/gotosocial/internal/config"
|
||
|
|
"github.com/technologize/otel-go-contrib/otelginmetrics"
|
||
|
|
"github.com/uptrace/bun"
|
||
|
|
"github.com/uptrace/bun/extra/bunotel"
|
||
|
|
"go.opentelemetry.io/otel"
|
||
|
|
"go.opentelemetry.io/otel/exporters/prometheus"
|
||
|
|
sdk "go.opentelemetry.io/otel/sdk/metric"
|
||
|
|
"go.opentelemetry.io/otel/sdk/resource"
|
||
|
|
semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
serviceName = "GoToSocial"
|
||
|
|
)
|
||
|
|
|
||
|
|
func Initialize() error {
|
||
|
|
if !config.GetMetricsEnabled() {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
if config.GetMetricsAuthEnabled() {
|
||
|
|
if config.GetMetricsAuthPassword() == "" || config.GetMetricsAuthUsername() == "" {
|
||
|
|
return errors.New("metrics-auth-username and metrics-auth-password must be set when metrics-auth-enabled is true")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
r, _ := resource.Merge(
|
||
|
|
resource.Default(),
|
||
|
|
resource.NewWithAttributes(
|
||
|
|
semconv.SchemaURL,
|
||
|
|
semconv.ServiceName(serviceName),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
|
||
|
|
prometheusExporter, err := prometheus.New()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
meterProvider := sdk.NewMeterProvider(
|
||
|
|
sdk.WithResource(r),
|
||
|
|
sdk.WithReader(prometheusExporter),
|
||
|
|
)
|
||
|
|
otel.SetMeterProvider(meterProvider)
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func InstrumentGin() gin.HandlerFunc {
|
||
|
|
return otelginmetrics.Middleware(serviceName)
|
||
|
|
}
|
||
|
|
|
||
|
|
func InstrumentBun() bun.QueryHook {
|
||
|
|
return bunotel.NewQueryHook(
|
||
|
|
bunotel.WithMeterProvider(otel.GetMeterProvider()),
|
||
|
|
)
|
||
|
|
}
|