mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-25 09:40:13 +08:00
ebc278ec98
* metrics: allow disabling OpenMetrics negotiation Signed-off-by: Dave Henderson <dhenderson@gmail.com> * fixup! metrics: allow disabling OpenMetrics negotiation
56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// Copyright 2020 Matthew Holt and The Caddy Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/caddyserver/caddy/v2"
|
|
)
|
|
|
|
func init() {
|
|
caddy.RegisterModule(AdminMetrics{})
|
|
}
|
|
|
|
// AdminMetrics is a module that serves a metrics endpoint so that any gathered
|
|
// metrics can be exposed for scraping. This module is not configurable, and
|
|
// is permanently mounted to the admin API endpoint at "/metrics".
|
|
// See the Metrics module for a configurable endpoint that is usable if the
|
|
// Admin API is disabled.
|
|
type AdminMetrics struct{}
|
|
|
|
// CaddyModule returns the Caddy module information.
|
|
func (AdminMetrics) CaddyModule() caddy.ModuleInfo {
|
|
return caddy.ModuleInfo{
|
|
ID: "admin.api.metrics",
|
|
New: func() caddy.Module { return new(AdminMetrics) },
|
|
}
|
|
}
|
|
|
|
// Routes returns a route for the /metrics endpoint.
|
|
func (m *AdminMetrics) Routes() []caddy.AdminRoute {
|
|
metricsHandler := createMetricsHandler(nil, false)
|
|
h := caddy.AdminHandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
|
|
metricsHandler.ServeHTTP(w, r)
|
|
return nil
|
|
})
|
|
return []caddy.AdminRoute{{Pattern: "/metrics", Handler: h}}
|
|
}
|
|
|
|
// Interface guards
|
|
var (
|
|
_ caddy.AdminRouter = (*AdminMetrics)(nil)
|
|
)
|