dynamodb-capacity-monitor.yaml

apiVersion: v1
summary: Monitor AWS DynamoDB provisioned capacity
description: This workflow sends a notification to Slack when DynamoDB provisioned capacity exceeds defined limits.
homepage: https://github.com/puppetlabs/relay-workflows/tree/master/dynamodb-capacity-monitor
tags:
  - incident response

parameters:
  slackChannel:
    description: the Slack channel to send notifications to
    default: "#ops"

triggers:
- name: schedule
  source:
    type: schedule
    schedule: "0 */1 * * *"

steps:
- name: monitor
  image: gcr.io/nebula-contrib/relay-aws-dynamodb-monitor
  command: java
  args:
  - -jar
  - /relay/aws-dynamodb-monitor.jar
  spec:
    aws: !Connection { type: aws, name: aws-connection }
    ignore:
    - us-gov-east-1
    - us-gov-west-1
    - us-iso-east-1
    - us-isob-east-1
    capacity:
    - regions:
        all: true
      limits:
        aggregate:
          read: 500
          write: 500
        regional:
          read: 100
          write: 100
- name: slack-notify
  image: relaysh/slack-step-message-send
  when: !Fn.notEquals [!Output [monitor, capacity], ""]
  spec:
    connection: !Connection [slack, slack-connection]
    channel: !Parameter slackChannel
    username: Relay
    message: !Fn.concat
    - "⚠️ "
    - "*Alert*"
    - " ⚠️"
    - !Output [monitor, capacity]