blob: f6a55e8c43da122ca5c86b5362099da5e3b113f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// 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)
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)
)
|
