mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-06-18 13:10:45 +00:00
2b9cf56f56
* [chore] Move "/metrics" into separate API module * use our own gzip middleware for prom
55 lines
1.6 KiB
Go
55 lines
1.6 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/>.
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promhttp"
|
|
)
|
|
|
|
type Module struct {
|
|
handler http.Handler
|
|
}
|
|
|
|
func New() *Module {
|
|
// Use our own gzip handler.
|
|
opts := promhttp.HandlerOpts{
|
|
DisableCompression: true,
|
|
}
|
|
|
|
// Instrument handler itself.
|
|
handler := promhttp.InstrumentMetricHandler(
|
|
prometheus.DefaultRegisterer,
|
|
promhttp.HandlerFor(prometheus.DefaultGatherer, opts),
|
|
)
|
|
|
|
return &Module{
|
|
handler: handler,
|
|
}
|
|
}
|
|
|
|
func (m *Module) Route(attachHandler func(method string, path string, f ...gin.HandlerFunc) gin.IRoutes) {
|
|
attachHandler(http.MethodGet, "", func(c *gin.Context) {
|
|
// Defer all "/metrics" handling to prom.
|
|
m.handler.ServeHTTP(c.Writer, c.Request)
|
|
})
|
|
}
|