| // Copyright Istio 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 request |
| |
| import ( |
| "bytes" |
| "fmt" |
| "io" |
| "net/http" |
| "strings" |
| ) |
| |
| // Command is a wrapper for making http requests to Pilot or Envoy via a CLI command. |
| type Command struct { |
| Address string |
| Client *http.Client |
| } |
| |
| // Do executes an http request using the specified arguments |
| func (c *Command) Do(method, path, body string) error { |
| bodyBuffer := bytes.NewBufferString(body) |
| path = strings.TrimPrefix(path, "/") |
| url := fmt.Sprintf("http://%v/%v", c.Address, path) |
| req, err := http.NewRequest(method, url, bodyBuffer) |
| if err != nil { |
| return err |
| } |
| resp, err := c.Client.Do(req) |
| if err != nil { |
| return err |
| } |
| defer resp.Body.Close() |
| respBody, err := io.ReadAll(resp.Body) |
| if err != nil { |
| return err |
| } |
| if resp.StatusCode > 399 && resp.StatusCode != 404 { |
| return fmt.Errorf("received unsuccessful status code %v: %v", resp.StatusCode, string(respBody)) |
| } |
| fmt.Println(string(respBody)) |
| return nil |
| } |