To remediate the misconfiguration of Event Notification Subscriptions not being enabled for AWS RDS using AWS CLI, you can follow these steps:

1. List current event subscriptions: First, you need to list the current event subscriptions for your RDS instance to check if there are any existing subscriptions. You can use the following AWS CLI command:

   aws rds describe-event-subscriptions
   

2. Enable Event Notification Subscription: If there are no existing event subscriptions or the required subscriptions are not enabled, you can create a new event subscription using the following AWS CLI command:

   aws rds create-event-subscription --subscription-name <subscription-name> --sns-topic-arn <sns-topic-arn> --source-type db-instance --source-ids <rds-instance-identifier> --event-categories <event-categories>
   

   • Replace <subscription-name> with a name for your event subscription.
   • Replace <sns-topic-arn> with the ARN of the SNS topic to which you want to send the notifications.
   • Replace <rds-instance-identifier> with the identifier of your RDS instance.
   • Replace <event-categories> with the specific event categories you want to subscribe to (e.g., availability, backup, failure, notification, etc.).

3. Verify Event Subscription: After creating the event subscription, you can verify if it has been successfully created by listing the event subscriptions again using the describe-event-subscriptions command.

By following the above steps and enabling Event Notification Subscriptions for your AWS RDS instance using the AWS CLI, you can remediate the misconfiguration and ensure that you receive important notifications about events occurring in your RDS environment.

To remediate the misconfiguration of Event Notification Subscriptions not being enabled for an AWS RDS instance using Python, you can use the AWS SDK for Python (Boto3) to enable the event subscriptions. Here are the step-by-step instructions to remediate this issue:

1. Install Boto3: If you haven’t already installed the Boto3 library, you can do so using pip:

pip install boto3

2. Configure AWS Credentials: Make sure you have configured your AWS credentials either by setting environment variables or using the AWS CLI aws configure command.

3. Write a Python script to enable Event Notification Subscriptions for the RDS instance. Here is an example script:

import boto3

def enable_event_subscription(rds_instance_identifier, sns_topic_arn):
    client = boto3.client('rds')
    
    response = client.create_event_subscription(
        SubscriptionName='my-rds-event-subscription',
        SnsTopicArn=sns_topic_arn,
        SourceType='db-instance',
        SourceIds=[rds_instance_identifier],
        EventCategories=[
            'availability',
            'backup',
            'configuration change',
            'creation',
            'deletion',
            'failover',
            'failure',
            'maintenance',
            'notification',
            'recovery',
            'restoration'
        ]
    )

    print(response)

# Replace 'my-rds-instance' with your RDS instance identifier
rds_instance_identifier = 'my-rds-instance'

# Replace 'my-sns-topic-arn' with the ARN of your SNS topic
sns_topic_arn = 'my-sns-topic-arn'

enable_event_subscription(rds_instance_identifier, sns_topic_arn)

4. Replace 'my-rds-instance' with the identifier of your RDS instance and 'my-sns-topic-arn' with the ARN of the SNS topic to which you want to subscribe for RDS events.

5. Run the Python script. This will create an event subscription for the specified RDS instance that sends notifications to the specified SNS topic for the specified event categories.

By following these steps and running the Python script, you can successfully enable Event Notification Subscriptions for an AWS RDS instance using Python.