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So Varna is pretty simple to install, it requires a couple different lambdas, a dynamodb table and some access.

Getting Started

Prerequisites

  1. AWS Account
  2. CloudTrail

AWS Configuration

  1. Create a new DynamoDB table called varna_sent_events_v3 with the partition key named event_id and no sort key. Leave the default settings of 5 read and 5 write.
  2. Create a new Global Secondary Indexes (GSI) for this table. Navigate to Indexes tab after creating the DynamoDB table. Click create new index with the index name being account_id-event_time-index and the partition key as account_id and the sort key as event_time. Leave the default settings of 5 read and 5 write.
  3. Create a Cloudtrail trail, or use an existing one. See the below screenshots for our settings of the new trail. In addition, make a note of the bucket name.

Application Setup

  1. Copy example_settings.toml to settings.toml and configure to your environment.
  2. Copy zappa_settings.json.template to zappa_settings.json and configure to your environment.

Slack Setup

  1. Create an incoming webhook to use for Slack channel notification. Use the webhook url in the settings.toml file for slack_url.

Zappa Setup

  1. You will need to modify the zappa_settings.json file to include settings for an ssl certificate, details on this can be found in the Zappa documentation.
  2. Run zappa deploy
  3. Run zappa certify
  4. You should now be able to access Varna and be receiving alerts.

There you go, if you visit the website you setup, you should now see a working installation of Varna. Feel free to do some activity that should alert and confirm that it alerts.