AWS-Lambda Function To Trigger Notification To Slack Channel

python-aws-lambda-to-slack

# OVERVIEW
#
# AWS Lambda Function To Trigger A Notification Into Slack Channel.
#

from __future__ import print_function

import boto3
import json
import logging
import os
import datetime

from dateutil.tz import tzlocal

from urllib2 import Request, urlopen, URLError, HTTPError

HOOK_URL = "https://hooks.slack.com/services/XXXX/XXXX/XXXX"

logger = logging.getLogger()
logger.setLevel(logging.INFO)

now = datetime.datetime.now(tzlocal()) - datetime.timedelta(hours=8)

fmt1 = now.strftime('%A, %B %d, %Y - %H:%m')
logger.info('fmt1 = %s' % (fmt1))


def lambda_handler(event, context):

    slack_message = {
        'channel': "XXXX",
        'text': "Hello World @ " + fmt1
    }

    req = Request(HOOK_URL, json.dumps(slack_message))

    try:
        response = urlopen(req)
        response.read()
        logger.info("Message posted to %s", slack_message['channel'])
        
    except HTTPError as e:
        logger.error("Request failed: %d %s", e.code, e.reason)
        
    except URLError as e:
        logger.error("Server connection failed: %s", e.reason)