istio

1
// Copyright Istio Authors
2
//
3
// Licensed under the Apache License, Version 2.0 (the "License");
4
// you may not use this file except in compliance with the License.
5
// You may obtain a copy of the License at
6
//
7
//     http://www.apache.org/licenses/LICENSE-2.0
8
//
9
// Unless required by applicable law or agreed to in writing, software
10
// distributed under the License is distributed on an "AS IS" BASIS,
11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
// See the License for the specific language governing permissions and
13
// limitations under the License.
14

15
package topics
16

17
import (
18
	"net/http"
19

20
	"istio.io/istio/pkg/ctrlz/fw"
21
	"istio.io/istio/pkg/ctrlz/topics/assets"
22
	"istio.io/istio/pkg/version"
23
)
24

25
type versionTopic struct{}
26

27
// VersionTopic returns a ControlZ topic that allows visualization of versioning info.
28
func VersionTopic() fw.Topic {
29
	return versionTopic{}
30
}
31

32
func (versionTopic) Title() string {
33
	return "Version Info"
34
}
35

36
func (versionTopic) Prefix() string {
37
	return "version"
38
}
39

40
func (versionTopic) Activate(context fw.TopicContext) {
41
	tmpl := assets.ParseTemplate(context.Layout(), "templates/version.html")
42

43
	_ = context.HTMLRouter().StrictSlash(true).NewRoute().Path("/").HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
44
		fw.RenderHTML(w, tmpl, &version.Info)
45
	})
46

47
	_ = context.JSONRouter().StrictSlash(true).NewRoute().Methods("GET").Path("/").HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
48
		fw.RenderJSON(w, http.StatusOK, &version.Info)
49
	})
50
}
51