Description:
Amazon Redshift engine upgrades are periodically released to include new features, bug fixes, and security patches. Enabling automatic upgrades ensures that your Redshift clusters are always up-to-date with the latest security patches, which helps to protect your data from unauthorized access.
Rationale:
Securing your data is essential, and one way to do this is to keep your Redshift clusters up-to-date with the latest security patches. Automatic upgrades help you to do this by automatically applying new engine versions to your clusters as soon as they are released. This helps to protect your data from known security vulnerabilities and prevents attackers from exploiting them.
Impact:
Enabling automatic upgrades has a number of positive impacts, including:
- Increased security: Your Redshift clusters will be more secure, as they will be protected from known security vulnerabilities.
- Reduced maintenance overhead: You will not have to manually apply engine updates, which can save you time and effort.
- Improved performance: New engine versions often include performance improvements, which can help to improve the performance of your Redshift clusters.
Default Value:
By default, automatic upgrades are disabled for Redshift clusters. This means that you will need to manually apply engine updates to your clusters.
Pre-requisites:
To enable automatic upgrades, you will need:
- Access to the AWS Management Console or the AWS CLI.
- The ability to modify the configuration of your Redshift clusters.
Remediation Steps:
To remediate this issue, you can follow these steps:
- Log in to the AWS Management Console or the AWS CLI.
- Go to the Redshift console or the AWS CLI command line.
- Select the Redshift cluster that you want to enable automatic upgrades for.
- In the "Configuration" tab, scroll down to the "Allow Version Upgrade" section.
- Select the "Yes" radio button.
- Click the "Save" button.
Test Plan:
To test the status of automatic upgrades, you can follow these steps:
- Log in to the AWS Management Console or the AWS CLI.
- Go to the Redshift console or the AWS CLI command line.
- Select the Redshift cluster that you enabled automatic upgrades for.
- In the "Configuration" tab, scroll down to the "Allow Version Upgrade" section.
- Verify that the "Yes" radio button is selected.
Implementation Plan:
To implement this policy, you can follow these steps:
- Create a new AWS Identity and Access Management (IAM) policy that allows users to modify the configuration of Redshift clusters.
- Attach the IAM policy to the IAM users or groups that need to be able to enable automatic upgrades.
- Use the AWS Management Console or the AWS CLI to enable automatic upgrades for your Redshift clusters.
AWS CLI Process:
To enable automatic upgrades using the AWS CLI, you can use the following command:
aws redshift modify-cluster --region <region> --cluster-identifier <cluster-name> --allow-version-upgrade
Using AWS GUI:
To enable automatic upgrades using the AWS Management Console, you can follow these steps:
- Go to the AWS Management Console.
- Click on the "Redshift" service.
- Click on the "Clusters" tab.
- Select the Redshift cluster that you want to enable automatic upgrades for.
- Click on the "Configuration" tab.
- Scroll down to the "Allow Version Upgrade" section.
- Select the "Yes" radio button.
- Click on the "Save" button.
Backout Plan:
To revoke the changes that you made to enable automatic upgrades, you can follow these steps:
- Log in to the AWS Management Console or the AWS CLI.
- Go to the Redshift console or the AWS CLI command line.
- Select the Redshift cluster that you enabled automatic upgrades for.
- In the "Configuration" tab, scroll down to the "Allow Version Upgrade" section.
- Select the "No" radio button.
- Click the "Save" button.
Note:
- This policy only applies to Redshift clusters that are running the Amazon Redshift engine.
- If you have any custom configurations that depend on a specific Redshift engine version, you may need to modify those configurations after enabling automatic upgrades.
Reference:
https://docs.aws.amazon.com