To remediate the PostgreSQL Log Hostname Flag Should Be On misconfiguration for GCP using GCP CLI, you can follow the below steps:

Step 1: Open the Cloud Shell in your GCP console.

Step 2: Run the below command to set the log_hostname flag to on for the PostgreSQL instance:

gcloud sql instances patch [INSTANCE_NAME] --database-flags log_hostname=on

Note: Replace [INSTANCE_NAME] with the name of your PostgreSQL instance.

Step 3: Verify the configuration change by running the below command:

gcloud sql instances describe [INSTANCE_NAME] | grep log_hostname

Note: Replace [INSTANCE_NAME] with the name of your PostgreSQL instance.

This command should return the output “log_hostname: on” which indicates that the flag has been set to on.

Step 4: Repeat the above steps for all the PostgreSQL instances in your GCP project to ensure that the misconfiguration is remediated.

By following the above steps, you can remediate the PostgreSQL Log Hostname Flag Should Be On misconfiguration for GCP using GCP CLI.

To remediate the PostgreSQL Log Hostname Flag Should Be On misconfiguration in GCP using Python, you can follow these steps:

1. Create a service account with the necessary permissions to access the PostgreSQL instance.

2. Install the google-cloud-sql library using pip.

3. Use the following Python code to update the PostgreSQL instance configuration to enable the log_hostname flag:

from google.cloud import sql_v1beta4
from google.oauth2 import service_account

# Set the project ID, instance name, and configuration name
project_id = 'your-project-id'
instance_name = 'your-instance-name'
config_name = 'your-config-name'

# Set the service account credentials
credentials = service_account.Credentials.from_service_account_file('path/to/credentials.json')

# Create the SQL Admin API client
client = sql_v1beta4.CloudSqlInstancesServiceClient(credentials=credentials)

# Get the current configuration settings
instance_path = f'projects/{project_id}/instances/{instance_name}'
instance = client.get(instance_path)
settings = instance.settings

# Update the configuration settings to enable the log_hostname flag
settings.database_flags['log_hostname'] = 'on'
settings.settings_version += 1

# Update the instance configuration
config_path = f'projects/{project_id}/configs/{config_name}'
update_mask = {'paths': ['database_flags']}
operation = client.patch(instance_path, instance, update_mask=update_mask)

# Wait for the operation to complete
operation.result()

Note: Replace your-project-id, your-instance-name, and your-config-name with your actual values. Also, replace path/to/credentials.json with the path to your service account credentials file.

This code will update the PostgreSQL instance configuration to enable the log_hostname flag.