about

this repository contains lambda python script to get executed from codedeploy events and inform slack channel accordingly. slack channel and token (without https://) is stored as environment variables in the function and encrypted with kms. Lambda informs slack only when the deployment status is either SUCCESS or FAILURE or STOP.

tools and services used

• codedeploy
• lambda
• python
• kms
• cloudwatch
• slack

pre-requirement

you need to declare three environment variables to make the lambda function to work.

• kmsEncryptedHookUrl is the encrypted url of slack channel token without (copy the url without https://)! This value is encrypted with KMS
• slackChannel is the slack channel where we want to send notification (i.e. #devops)
• organization is the organization name that will be shown in the message footer

example

Following snippet is the JSON object used in notifying slack from Lambda function

    attachments_json = [{
      "color": "#1E90FF",
      "fields": [{
        "short": 0,
        "value": "myApplication",
        "title": "Application"
      }, {
        "short": 0,
        "value": "SUCCESS",
        "title": "State"
      }],
      "footer": u"\u00A9 Organization",        
      "title": "CodeDeploy Status Information"
    }]