mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2025-06-05 21:59:39 +02:00
90a5425fe9
Daenney is a dummy and forgot to add these when he revamped the OTEL stuff. Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4137 Co-authored-by: Daenney <daenney@noreply.codeberg.org> Co-committed-by: Daenney <daenney@noreply.codeberg.org>
127 lines
3.4 KiB
Go
127 lines
3.4 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 !nootel
|
|
|
|
package observability
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"code.superseriousbusiness.org/gotosocial/internal/config"
|
|
"code.superseriousbusiness.org/gotosocial/internal/db"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/technologize/otel-go-contrib/otelginmetrics"
|
|
"go.opentelemetry.io/contrib/exporters/autoexport"
|
|
"go.opentelemetry.io/contrib/instrumentation/runtime"
|
|
"go.opentelemetry.io/otel"
|
|
"go.opentelemetry.io/otel/metric"
|
|
sdk "go.opentelemetry.io/otel/sdk/metric"
|
|
"go.opentelemetry.io/otel/sdk/metric/exemplar"
|
|
)
|
|
|
|
func InitializeMetrics(ctx context.Context, db db.DB) error {
|
|
if !config.GetMetricsEnabled() {
|
|
return nil
|
|
}
|
|
|
|
r, err := Resource()
|
|
if err != nil {
|
|
// this can happen if semconv versioning is out-of-sync
|
|
return fmt.Errorf("building tracing resource: %w", err)
|
|
}
|
|
|
|
mt, err := autoexport.NewMetricReader(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
meterProvider := sdk.NewMeterProvider(
|
|
sdk.WithExemplarFilter(exemplar.AlwaysOffFilter),
|
|
sdk.WithResource(r),
|
|
sdk.WithReader(mt),
|
|
)
|
|
|
|
otel.SetMeterProvider(meterProvider)
|
|
|
|
if err := runtime.Start(
|
|
runtime.WithMeterProvider(meterProvider),
|
|
); err != nil {
|
|
return err
|
|
}
|
|
|
|
meter := meterProvider.Meter(serviceName)
|
|
|
|
thisInstance := config.GetHost()
|
|
|
|
_, err = meter.Int64ObservableGauge(
|
|
"gotosocial.instance.total_users",
|
|
metric.WithDescription("Total number of users on this instance"),
|
|
metric.WithInt64Callback(func(c context.Context, o metric.Int64Observer) error {
|
|
userCount, err := db.CountInstanceUsers(c, thisInstance)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
o.Observe(int64(userCount))
|
|
return nil
|
|
}),
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = meter.Int64ObservableGauge(
|
|
"gotosocial.instance.total_statuses",
|
|
metric.WithDescription("Total number of statuses on this instance"),
|
|
metric.WithInt64Callback(func(c context.Context, o metric.Int64Observer) error {
|
|
statusCount, err := db.CountInstanceStatuses(c, thisInstance)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
o.Observe(int64(statusCount))
|
|
return nil
|
|
}),
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = meter.Int64ObservableGauge(
|
|
"gotosocial.instance.total_federating_instances",
|
|
metric.WithDescription("Total number of other instances this instance is federating with"),
|
|
metric.WithInt64Callback(func(c context.Context, o metric.Int64Observer) error {
|
|
federatingCount, err := db.CountInstanceDomains(c, thisInstance)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
o.Observe(int64(federatingCount))
|
|
return nil
|
|
}),
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func MetricsMiddleware() gin.HandlerFunc {
|
|
return otelginmetrics.Middleware(serviceName)
|
|
}
|