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render.go
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render.go
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// Copyright 2021 Chaos Mesh 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 curl
import (
"fmt"
"net/http"
corev1 "k8s.io/api/core/v1"
"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
)
const image = "curlimages/curl:7.78.0"
const nameSuffix = "-rendered-http-request"
func renderCommands(request CommandFlags) (Commands, error) {
// TODO: validation of request
result := []string{"curl", "-i", "-s"}
// follow the request
if request.FollowLocation {
result = append(result, "-L")
}
if request.Method != http.MethodGet {
result = append(result, "-X", request.Method)
if len(request.Body) > 0 {
result = append(result, "-d", request.Body)
}
}
renderedHeaders := http.Header{}
for k, v := range request.Header {
renderedHeaders[k] = v
}
if request.JsonContent {
if request.Header == nil {
request.Header = Header{}
}
renderedHeaders[HeaderContentType] = []string{ApplicationJson}
}
for key, values := range renderedHeaders {
for _, value := range values {
result = append(result, "-H", fmt.Sprintf("%s: %s", key, value))
}
}
result = append(result, request.URL)
return result, nil
}
func RenderWorkflowTaskTemplate(request RequestForm) (*v1alpha1.Template, error) {
commands, err := renderCommands(request.CommandFlags)
if err != nil {
return nil, err
}
containerName := fmt.Sprintf("%s%s", request.Name, nameSuffix)
return &v1alpha1.Template{
Name: request.Name,
Type: v1alpha1.TypeTask,
Task: &v1alpha1.Task{
Container: &corev1.Container{
Name: containerName,
Image: image,
Command: commands,
},
},
ConditionalBranches: nil,
}, nil
}