mozamimy / lambda-slack-notifier

lambda-slack-notifier

About

This program sends a message to Slack when it receives like following event data published from AWS SNS topic.

Option elements can be omitted from MessageAttributes object. In that case, this function fills omitted these options with default values of incoming-webhook.

{
  "Records": [
    {
      "EventSource": "aws:sns",
      "EventVersion": "1.0",
      "EventSubscriptionArn": "arn:aws:sns:us-east-1::ExampleTopic",
      "Sns": {
        "Type": "Notification",
        "MessageId": "95df01b4-ee98-5cb9-9903-4c221d41eb5e",
        "TopicArn": "arn:aws:sns:us-east-1:123456789012:ExampleTopic",
        "Subject": "example subject",
        "Message": "example message",
        "Timestamp": "1970-01-01T00:00:00.000Z",
        "SignatureVersion": "1",
        "Signature": "EXAMPLE",
        "SigningCertUrl": "EXAMPLE",
        "UnsubscribeUrl": "EXAMPLE",
        "MessageAttributes": {
          "Channel": {
            "Type": "String",
            "Value": "#nanika-channel"
          },
          "UserName": {
            "Type": "String",
            "Value": "nanika"
          },
          "IconEmoji": {
            "Type": "String",
            "Value": ":rabbit:"
          },
          "Color": {
            "Type": "String",
            "Value": "warning"
          }
        }
      }
    }
  ]
}

Run locally with Docker

https://docs.aws.amazon.com/lambda/latest/dg/images-test.html

docker build -t lambda-slack-notifier .
docker run -p 9000:8080 -e SLACK_WEBHOOK=https://xxxxxxxx lambda-slack-notifier
# In other terminal session
curl "http://localhost:9000/2015-03-31/functions/function/invocations" [e-mail]

License

MIT