Slack Webhook Message Code in Golang

demo.md

slack-webhook.go

func makeRequest(url string) error {

	//payload := map[string]string{
	//	"text": string(clusterJSON),
	//}
	//payload := map[string]interface{}{
	//	"blocks": []map[string]interface{}{
	//		{
	//			"type": "section",
	//			"text": map[string]string{
	//				"type": "mrkdwn",
	//				"text": "*Cluster1 is Unhealthy*\n*controller-manager:* ❌ Unhealthy\n*etcd:* ✅ Healthy",
	//			},
	//		},
	//		{
	//			"type": "context",
	//			"elements": []map[string]string{
	//				{
	//					"type": "mrkdwn",
	//					"text": "_Sent by KubeStellar Health Monitor_",
	//				},
	//			},
	//		},
	//	},
	//}

	payload := map[string]interface{}{
		"blocks": []map[string]interface{}{
			{
				"type": "section",
				"text": map[string]string{
					"type": "mrkdwn",
					"text": "*Cluster1 is Unhealthy*\n*controller-manager:* ❌ Unhealthy\n*etcd:* ✅ Healthy",
				},
			},
		},
	}
	body, err := json.Marshal(payload)
	//req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer([]byte(requestBody)))
	req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(body))
	if err != nil {
		//c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return fmt.Errorf(err.Error())
	}
	req.Header.Set("Content-Type", "application/json")
	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		//c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return fmt.Errorf(err.Error())
	}
	defer resp.Body.Close()
	return nil
}