external-secrets/docs/provider-aws-secrets-manager.md

Secrets Manager

A SecretStore points to AWS Secrets Manager in a certain account within a defined region. You should define Roles that define fine-grained access to individual secrets and pass them to ESO using spec.provider.aws.role. This way users of the SecretStore can only access the secrets necessary.

{% include 'aws-sm-store.yaml' %}

NOTE: In case of a ClusterSecretStore, Be sure to provide namespace in accessKeyIDSecretRef and secretAccessKeySecretRef with the namespaces where the secrets reside.

IAM Policy

Create a IAM Policy to pin down access to secrets matching dev-*.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "secretsmanager:GetResourcePolicy",
        "secretsmanager:GetSecretValue",
        "secretsmanager:DescribeSecret",
        "secretsmanager:ListSecretVersionIds"
      ],
      "Resource": [
        "arn:aws:secretsmanager:us-west-2:111122223333:secret:dev-*"
      ]
    }
  ]
}

JSON Secret Values

SecretsManager supports simple key/value pairs that are stored as json. If you use the API you can store more complex JSON objects. You can access nested values or arrays using gjson syntax:

Consider the following JSON object that is stored in the SecretsManager key my-json-secret:

{
  "name": {"first": "Tom", "last": "Anderson"},
  "friends": [
    {"first": "Dale", "last": "Murphy"},
    {"first": "Roger", "last": "Craig"},
    {"first": "Jane", "last": "Murphy"}
  ]
}

This is an example on how you would look up nested keys in the above json object:

{% include 'aws-sm-external-secret.yaml' %}

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