istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/ctrlz/topics/args.go (about)

     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  }