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
	"os"
20

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

25
type argsTopic struct{}
26

27
// ArgsTopic returns a ControlZ topic that allows visualization of process command-line arguments.
28
func ArgsTopic() fw.Topic {
29
	return argsTopic{}
30
}
31

32
func (argsTopic) Title() string {
33
	return "Command-Line Arguments"
34
}
35

36
func (argsTopic) Prefix() string {
37
	return "arg"
38
}
39

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

43
	_ = context.HTMLRouter().StrictSlash(true).NewRoute().Path("/").HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
44
		fw.RenderHTML(w, tmpl, os.Args)
45
	})
46
}
47