forked from palantir/witchcraft-go-server
-
Notifications
You must be signed in to change notification settings - Fork 0
/
routes.go
52 lines (43 loc) · 2.06 KB
/
routes.go
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
// Copyright (c) 2018 Palantir Technologies. All rights reserved.
//
// 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 routes
import (
"net/http"
"github.com/palantir/witchcraft-go-server/rest"
"github.com/palantir/witchcraft-go-server/status"
"github.com/palantir/witchcraft-go-server/witchcraft/refreshable"
"github.com/palantir/witchcraft-go-server/witchcraft/wresource"
)
func AddLivenessRoutes(resource wresource.Resource, source status.Source) error {
return resource.Get("liveness", status.LivenessEndpoint, handler(source))
}
func AddReadinessRoutes(resource wresource.Resource, source status.Source) error {
return resource.Get("readiness", status.ReadinessEndpoint, handler(source))
}
func AddHealthRoutes(resource wresource.Resource, source status.HealthCheckSource, sharedSecret refreshable.String) error {
return resource.Get("health", status.HealthEndpoint, status.NewHealthCheckHandler(source, sharedSecret))
}
// handler returns an HTTP handler that writes a response based on the provided source. The status code of the response
// is determined based on the status reported by the source and the status metadata returned by the source is written as
// JSON in the response body.
func handler(source status.Source) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
respCode, metadata := source.Status()
// if metadata is nil, create an empty json object instead of returning 'null' which http-remoting rejects.
if metadata == nil {
metadata = struct{}{}
}
rest.WriteJSONResponse(w, metadata, respCode)
})
}