We pass in the name of the service and the region for the client as seen below. Our next step is create a boto3 session and establish our secrets manager client. Make sure to use the region value where your secret is currently located. Do note that Secrets Manager is region specific. We’ll also specifyour region in the region_name variable. Make sure to replace this with your secret name from Step 1. On line 6, we store the name of our secret in a variable called secret_name. The complete code block is located at the bottom of this article.įirst, we need to import some dependencies including json, boto3, and base64. In your Lambda function, we’ll need to add the following pieces of code. You’ll need to apply the following permissions to your Lambda function. Note that your Lambda function requires permissions to access secrets manager and to decrypt the value using a KMS key. Step 2 – Accessing Our Secret From AWS Lambda With Python Boto3 Keep this value handy as we’ll need it when we implement the code for our Lambda function. Note the ARN (Amazon Resource Name) of your secret on the summary page. Proceed through the wizard and complete creating your secret. Optional when creating our secret, we can configure automatic rotation. In this demo, we will use the “Other type of secret”. However, if you’re storing a secret value in plain text, like an API key for GitHub, you’ll want to use the “Other type of secret” option. This adds an extra layer of security on top of your storage. If you’re using Amazon RDS, DocumentDB, or Redshift, I highly recommend selecting one of those options because you will also get automatic secret rotation as an added benefit. There’s nowhere in the AWS console (that I know of at least) where you can see the expiry date so you may want to write it down.Ĭlick “Store a new secret” and select the secret type that you want to store. Note that the 30 day period starts when you create your first secret on your account. This allows you to create, retrieve, and rotate secrets for 30 days without being charged a penny. However, if this is your first time using Secrets Manager on your AWS account, you are automatically eligible for the free trial of the service. Before we begin, note that there is a 40-cent cost per month for each secret you store within Secrets Manager.
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