To remediate the misconfiguration “Cloud CDN Global Backend Services Should Have Session Affinity” in GCP using GCP console, follow the below steps:
Open the Google Cloud Console and select the project you want to work with.
Go to the Navigation menu and select “Network Services” and then select “Cloud CDN”.
In the Cloud CDN page, select the name of the backend service that you want to remediate.
In the backend service page, click on the “Edit” button on the top of the page.
In the “Edit backend service” page, scroll down to the “Session affinity” section.
Select the “Client IP and protocol” option from the drop-down menu for “Session affinity”.
Click on the “Save” button to save the changes.
By following the above steps, you have successfully remediated the misconfiguration “Cloud CDN Global Backend Services Should Have Session Affinity” in GCP using GCP console.
This confirms that session affinity has been enabled for the backend service(s) used by your Cloud CDN.Note: Enabling session affinity may result in increased latency and decreased availability, depending on your workload. Therefore, it is important to evaluate the impact of this change before implementing it in a production environment.
Using Python
To remediate the misconfiguration “Cloud CDN Global Backend Services Should Have Session Affinity” for GCP using python, you can follow the below steps:
First, you need to authenticate with GCP using the below command:
For each global backend service, you need to check if session affinity is enabled or not using the below command:
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for service in global_backend_services['items']: service_name = service['name'] service_info = service['sessionAffinitySettings']['affinityCookieTtlSec'] if service_info == 0: print(f"Session affinity is not enabled for {service_name}")
If session affinity is not enabled for any global backend service, you can enable it using the below command:
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for service in global_backend_services['items']: service_name = service['name'] service_info = service['sessionAffinitySettings']['affinityCookieTtlSec'] if service_info == 0: print(f"Enabling session affinity for {service_name}") body = { 'sessionAffinitySettings': { 'affinityType': 'GENERATED_COOKIE', 'affinityCookieTtlSec': 3600 } } service = service.backendServices().patch( project=project, backendService=service_name, body=body ).execute()
This will enable session affinity for all the global backend services which do not have it enabled.