Amazon CloudWatch to Slack

Relay alerts from Amazon CloudWatch to a Slack room.

This code is 100% based on Amazon CloudWatch to Hipchat and it could not be possible without it.

Setup

Requirements:

A Heroku account.
A Slack Account.
A Slack Incoming Webhook Token configured to post messages to the room you want.
An Amazon AWS account with Amazon CloudWatch and Amazon SNS setup and enabled.

Deploy your application to to Heroku:

cd /path/to/wherever
git clone https://github.com/esanchezm/amazon-cloudwatch-to-slack.git

cd amazon-cloudwatch-to-slack
heroku apps:create
heroku config:set 'SLACK_WEBHOOK_URL=https://hooks.slack.com/services/XXXXXXXXX/XXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXX'
git push heroku master

You can optionally set a diferent slack channel, username or avatar to customize messages:

heroku config:set SLACK_CHANNEL=#yourchannel\
                  SLACK_USERNAME="AWS CloudWatch" \
                  SLACK_ICON_URL="http://www.example.com/bot_avatar.png" \
                  SLACK_ICON_EMOJI=":ghost:"

Notice that SLACK_ICON_URL and SLACK_ICON_EMOJI are mutually exclusive.

Additional configuration parameters for SES notifications:

heroku config:set SLACK_SES_CHANNEL=#otherchannel\
                  SLACK_SES_USERNAME="AWS SES" \
                  SLACK_SES_ICON_URL="http://www.example.com/bot_avatar.png" \
                  SLACK_SES_ICON_EMOJI=":ghost:"

Or just push the button:

Setup Amazon SNS:

Create a new Topic, or select an existing Topic
Add a New Subscription to the topic
Select HTTPS, and paste in your HTTPS URL to your Heroku application

Setup Amazon CloudWatch:

Create or modify an alert
Select the "Send Notification" action
Select the SNS topic you created / updated in the previous step

esanchezm / amazon-cloudwatch-to-slack

readme

Amazon CloudWatch to Slack

Setup