slack_sender.py

import slack
import os
import boto3


def get_token():
    ssm = boto3.client("ssm")

    return ssm.get_parameter(
        Name=os.environ["SLACK_TOKEN_PARAMETER"],
        WithDecryption=True
    )["Parameter"]["Value"]


def send_image(filename, slack_channel):
    filepath = os.path.join(os.path.dirname(os.path.realpath(__file__)), filename)

    slacker = slack.WebClient(token=get_token())
    slacker.files_upload(channels=slack_channel, file=filepath, title = "Cost report")