mirror of
https://github.com/superseriousbusiness/gotosocial.git
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1ba3e14b36
* feat: Initial OTEL metrics * docs: add metrics documentation * fix: metrics endpoint conditional check * feat: metrics endpoint basic auth * fix: make metrics-auth-enabled default false * fix: go fmt helpers.gen.go * fix: add metric-related env vars to envparsing.sh * fix: metrics docs * fix: metrics related stuff in envparsing.sh * fix: metrics docs * chore: metrics docs wording * fix: metrics stuff in envparsing? * bump otel versions --------- Co-authored-by: Tsuribori <user@acertaindebian> Co-authored-by: Tsuribori <none@example.org> Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//go:build !nometrics
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package metrics
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import (
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"errors"
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/technologize/otel-go-contrib/otelginmetrics"
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"github.com/uptrace/bun"
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"github.com/uptrace/bun/extra/bunotel"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/exporters/prometheus"
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sdk "go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/resource"
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semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
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)
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const (
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serviceName = "GoToSocial"
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)
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func Initialize() error {
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if !config.GetMetricsEnabled() {
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return nil
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}
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if config.GetMetricsAuthEnabled() {
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if config.GetMetricsAuthPassword() == "" || config.GetMetricsAuthUsername() == "" {
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return errors.New("metrics-auth-username and metrics-auth-password must be set when metrics-auth-enabled is true")
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}
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}
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r, _ := resource.Merge(
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resource.Default(),
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resource.NewWithAttributes(
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semconv.SchemaURL,
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semconv.ServiceName(serviceName),
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),
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)
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prometheusExporter, err := prometheus.New()
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if err != nil {
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return err
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}
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meterProvider := sdk.NewMeterProvider(
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sdk.WithResource(r),
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sdk.WithReader(prometheusExporter),
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)
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otel.SetMeterProvider(meterProvider)
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return nil
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}
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func InstrumentGin() gin.HandlerFunc {
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return otelginmetrics.Middleware(serviceName)
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}
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func InstrumentBun() bun.QueryHook {
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return bunotel.NewQueryHook(
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bunotel.WithMeterProvider(otel.GetMeterProvider()),
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)
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}
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