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GCP Threats
Worker Pool Autoscaling Should Be Enabled
More Info:
Ensure worker pool autoscaling is enabled
Risk Level
Medium
Address
Performance Efficiency, Operational Excellence, Reliability, Security
Compliance Standards
CBP
Triage and Remediation
Remediation
To remediate the misconfiguration “Worker Pool Autoscaling Should Be Enabled” in GCP using GCP console, follow these steps:
-
Open the GCP console and select the appropriate project.
-
Navigate to the Kubernetes Engine by selecting Kubernetes Engine from the left-hand side menu.
-
Select the cluster that needs to be remediated.
-
Click on the Edit button at the top of the page.
-
Scroll down to the Node Pools section and click on the node pool that needs remediation.
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In the node pool settings, scroll down to the Autoscaling section.
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Toggle the button next to “Enable autoscaling” to the “On” position.
-
Set the minimum and maximum number of nodes. It is recommended to set the minimum number of nodes to 1 and the maximum number of nodes based on the workload requirements.
-
Click on the Save button to apply the changes.
With these steps, the “Worker Pool Autoscaling Should Be Enabled” misconfiguration in GCP using GCP console has been remediated.
To remediate the misconfiguration “Worker Pool Autoscaling Should Be Enabled” for GCP using GCP CLI, you can follow the below steps:
- Open the Cloud Shell in GCP Console.
- Run the command
gcloud container clusters listto list all the clusters available in your project. - Find the name of the cluster for which you want to enable the worker pool autoscaling.
- Run the command
gcloud container clusters update CLUSTER_NAME --enable-autoscaling --min-nodes=1 --max-nodes=10 --num-nodes=3to enable the worker pool autoscaling for the cluster.- Replace
CLUSTER_NAMEwith the name of your cluster. --enable-autoscalingenables the autoscaling feature.--min-nodes=1sets the minimum number of nodes to 1.--max-nodes=10sets the maximum number of nodes to 10.--num-nodes=3sets the initial number of nodes to 3.
- Replace
- Verify the autoscaling feature is enabled by running the command
gcloud container clusters describe CLUSTER_NAME. - Check the output of the above command and ensure that the
autoscalingfield is set toenabled.
These steps will enable the worker pool autoscaling for the specified cluster in GCP, and remediate the misconfiguration “Worker Pool Autoscaling Should Be Enabled”.
To remediate the misconfiguration “Worker Pool Autoscaling Should Be Enabled” for GCP using Python, you can follow the below steps:
- First, you need to create an instance group for your worker nodes. You can use the following code to create an instance group:
from googleapiclient import discovery
from oauth2client.client import GoogleCredentials
credentials = GoogleCredentials.get_application_default()
compute = discovery.build('compute', 'v1', credentials=credentials)
project = 'your-project-id'
zone = 'us-central1-a'
name = 'instance-group-name'
size = 3
image_response = compute.images().getFromFamily(
project='ubuntu-os-cloud', family='ubuntu-1804-lts').execute()
source_disk_image = image_response['selfLink']
machine_type = "n1-standard-1"
config = {
'name': name,
'instanceTemplate': f"projects/{project}/global/instanceTemplates/instance-template-name",
'targetSize': size,
'autoHealingPolicies': [
{
"healthCheck": "projects/{project}/global/healthChecks/health-check-name",
"initialDelaySec": 300,
"autoHealingPolicyMode": "RECREATE_INSTANCE"
}
]
}
request = compute.instanceGroupManagers().insert(
project=project,
zone=zone,
body=config)
response = request.execute()
- Next, you need to enable autoscaling for your instance group. You can use the following code to enable autoscaling:
autoscaler_config = {
'name': 'autoscaler-name',
'target': f"projects/{project}/zones/{zone}/instanceGroupManagers/{name}",
'autoscalingPolicy': {
'minNumReplicas': 1,
'maxNumReplicas': 10,
'coolDownPeriodSec': 60,
'cpuUtilization': {
'utilizationTarget': 0.6,
}
}
}
autoscaler_request = compute.autoscalers().insert(
project=project,
zone=zone,
body=autoscaler_config)
autoscaler_response = autoscaler_request.execute()
- Finally, you need to verify that autoscaling is enabled for your instance group. You can use the following code to check the status of your autoscaler:
autoscaler_name = 'autoscaler-name'
autoscaler_request = compute.autoscalers().get(
project=project,
zone=zone,
autoscaler=autoscaler_name)
autoscaler_response = autoscaler_request.execute()
print(autoscaler_response)
This should remediate the misconfiguration “Worker Pool Autoscaling Should Be Enabled” for GCP using Python.