lambda_warmstart_example.py

lambda_example.py

import json
import urllib3
import os

# 환경 변수는 다시 가져올 필요가 없음!!! 전역에 
slack_webhook_url = os.environ['SLACK_WEBHOOK_URL']

def lambda_handler(event, context):
  # 매개변수의 추출은 항상 이뤄져야 함. 
  message = json.loads(event['Records'][0]['Sns']['Message'])
  
  alarm_name = message['AlarmName']
  description = message['AlarmDescription']
  region = message['Region']
  time = message['StateChangeTime']

  
  slack_message = {
	"blocks": [
		{
			"type": "header",
			"text": {
				"type": "plain_text",
				"text": "경고: " + alarm_name
			}
		}
	]
  }

  http = urllib3.PoolManager()
  # Slack 메시지 전송
  try:
    response = http.request('POST', slack_webhook_url ,headers={'Content-Type': 'application/json'},body=slack_message) #환경변수 
  except Exception as e:
    print(e)
    raise e