![]() We're making an HTTP request to AWS to retrieve the credentials, but we won't want that overhead on every request. Note that the struct will look slightly different, depending on if you're using Adobe ColdFusion or Lucee.īut before we write out this code, there's another problem. The getDatabaseConfig function encapsulates the use of aws-cfml, making the request to AWS for the database credentials secret, and then using it to build a datasource struct, which it will then return. To begin with, how do we define a datasource with the credentials? To handle this, we'll set up a function in Application.cfc that abstracts away the logic of requesting the information from AWS Secrets manager: this. Storing database credentials in a remote secret manager comes with a couple of puzzles. So, how would you actually use this to populate a datasource in your Application.cfc? Application.cfc Structure The result, in this example, would be a struct containing keys for username, password, engine, host, port, and dbname. comes back as JSON string, so we need to deserializeĭb_access = deserializeJSON (db_secret_value ) GetSecretValue ( '/path/to/secret/db_access' ) ĭb_secret_value = secret_response. Here's how we'd use aws-cfml to retrieve a database credential secret named /path/to/secret/db_access: // init assumes your credentials are set as envs With our credentials provisioned and aws-cfml installed, we're ready to actually make the request to Secrets Manager for our database credentials secret. aws ( awsKey = 'YOUR_PUBLIC_KEY', awsSecretKey = 'YOUR_PRIVATE_KEY', defaultRegion = 'us-east-1' ) Secret Retrieval The project will automatically recognize and use environment variables named AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and AWS_DEFAULT_REGION.Īlternatively, you can provide the credentials at initialization: aws = new modules. My preferred method of providing aws-cfml with the AWS credentials is via environment variables. If you're not comfortable using Commandbox, you can download the project directly from Github and manually load it into your project. This will download the project and install it in the directory modules/awscfml/. You can use CommandBox to install it in your project: box install aws-cfml We'll use package aws-cfml to handle authentication with AWS and the actual secret retrieval. Once you've got a user with the correct permissions, we can move on the code. Setting up IAM users and policies is outside the scope of this post - pretty sure more than one book has been written on the topic. AWS provides documentation on the permissions that are needed: The first thing we'll need is AWS credentials - specifically, the access key ID and secret key of an IAM user with permissions to retrieve a secret. As a quick follow-up to my last post about storing database credentials in AWS Secrets Manager, I wanted to walk through retrieving them using CFML, so you can actually use them in your application.
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