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March 21, 2016 16:36
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Post random text to Slack using Go
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| package main | |
| import ( | |
| "bytes" | |
| "encoding/json" | |
| "fmt" | |
| "io/ioutil" | |
| "log" | |
| "net/http" | |
| "os" | |
| "strings" | |
| ) | |
| const ( | |
| URL string = "https://example.org" | |
| CONTENT_TYPE string = "application/json" | |
| SLACK_USERNAME string = "The tiny Go bot" | |
| SLACK_EMOJI string = "https://blog.golang.org/gopher/gopher.png" | |
| ) | |
| func main() { | |
| slackRequest := map[string]string{ | |
| "text": strings.Join(os.Args[2:], " "), | |
| "username": SLACK_USERNAME, | |
| "icon_url": SLACK_EMOJI, | |
| "channel": os.Args[1], | |
| } | |
| jsonRequest, _ := json.Marshal(&slackRequest) | |
| resp, err := http.Post(URL, CONTENT_TYPE, bytes.NewReader(jsonRequest)) | |
| if err != nil { | |
| log.Fatalf("Error building request: %s", err) | |
| } | |
| if resp.StatusCode != http.StatusOK { | |
| log.Printf("Wrong status code: %s", resp.Status) | |
| } | |
| defer resp.Body.Close() | |
| body, err := ioutil.ReadAll(resp.Body) | |
| if err != nil { | |
| log.Fatalf("Error parsing response: %s", err) | |
| } | |
| fmt.Println(string(body)) | |
| } |
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Usage
First replace the
URLconstant with the URL from your configured incoming webhook#your-channelcan also be replaced by@a_username