Integrating with AWS Secrets Manager

Because Airplane tasks are written in standard code, you can use the AWS SDKs to read secrets from AWS Secrets Manager (and other AWS services such as AWS Parameter Store).

Authenticating with AWS
AWS SDKs support configuring credentials by setting the AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables. You can create Config variables to store these credentials and attach them as environment variables to your task. (See examples below.)
While this does require you to store AWS API keys in Airplane, this allows you to keep the secrets themselves within AWS.
If you're self-hosting on AWS, you can use IAM roles and avoid API keys entirely. See Custom IAM roles for details.

Example code
We'll need @aws-sdk/client-secrets-manager to talk to the AWS API and fetch the secret (docs).
shell
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npm install @aws-sdk/client-secrets-manager
We can define a getSecret function:
typescript
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// getSecret.ts
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import { SecretsManagerClient, GetSecretValueCommand } from "@aws-sdk/client-secrets-manager";
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const client = new SecretsManagerClient({});
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export const getSecret = async (secretName: string) => {
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  const command = new GetSecretValueCommand({ SecretId: secretName });
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  const results = await client.send(command);
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  return results.SecretString;
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};
And re-use it across tasks:
typescript
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// get_aws_secret.airplane.ts
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import { getSecret } from "./getSecret";
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export default airplane.task(
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  {
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    slug: "get_aws_secret",
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    name: "Get AWS secret",
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    envVars: {
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      // Change to your secret's region
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      AWS_DEFAULT_REGION: "us-west-2",
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      // If you're self-hosting on AWS, you can use IAM roles instead:
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      // https://docs.airplane.dev/self-hosting/aws#custom-iam-roles
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      AWS_ACCESS_KEY_ID: { config: "AWS_ACCESS_KEY_ID" },
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      AWS_SECRET_ACCESS_KEY: { config: "AWS_SECRET_ACCESS_KEY" },
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    },
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  },
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  async (params) => {
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    const secret = await getSecret("test/apiKey");
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    // Do something with secret!
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    console.log(`Secret: ${"*".repeat(secret?.length)}`);
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  }
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);
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