lambder-create-rds-snapshots

create-rds-snapshots is an AWS Lambda function for use with Lambder.

REQUIRES:

• python-lambder

This lambda function creates an RDS snapshot from each RDS instance tagged with Key: 'LambderBackup'. The function will retain at most 3 snapshots and delete the oldest snapshot to stay under this threshold.

Installation

1. Clone this repo
2. cp example_lambder.json lambder.json
3. Edit lambder.json to set your S3 bucket
4. lambder function deploy

Configuration

Create a file config.json within lambda/create-rds-snapshots and define the following parameters as JSON:

• AWS_REGION: The region in which the lambda will be running
• ACCOUNT_ID: The AWS account id in which the lambda will be running

Usage

Schedule the function with a new event. Remember that the cron expression is based on UTC.

lambder events add \
  --name CreateRdsSnapshots \
  --function-name Lambder-create-rds-snapshots \
  --cron 'cron(0 6 ? * * *)'

TODO

• Parameterize the tag in the input event object
• Parameterize number of old snapshots to retain