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Compliance · Medium severity

GKE Cluster Alias IPs Not Enabled

The cluster uses route-based networking, which scales poorly and is no longer the supported path for new networking features.

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Google Cloudprovider
Mediumseverity
Compliancewhere it shows up
Manualfix, steps written out

Google CloudKubernetes

Found, explained, handed over.

Where the estate departs from your policies, frameworks and tagging rules.

01

Detect

ZopNight checks this automatically across Google Cloud, with read-only access to the account.

02

Explain

Every finding says exactly what to change: Recreate the GKE cluster as VPC-native.

03

Fix

The finding opens with the fix already written out, step by step, so it is one ticket, not an investigation.

Applies to
GKE Clusters on Google Cloud
The fix, by hand
  1. VPC-native mode cannot be flipped on an existing routes-based cluster. Plan a recreate.
  2. Create the replacement: gcloud container clusters create ‹new› --enable-ip-alias --cluster-secondary-range-name=‹pods-range› --services-secondary-range-name=‹svcs-range› --location=‹loc›.
  3. Pre-provision the secondary ranges on the subnet (gcloud compute networks subnets update ‹subnet› --add-secondary-ranges=‹pods›=10.4.0.0/14,‹svcs›=10.0.32.0/20).
  4. Migrate workloads via Backup for GKE or a blue/green namespace switch.
  5. Verify Pod IPs are now from the alias range (kubectl get pods -o wide) and route table no longer has per-node routes.
  6. Delete the old routes-based cluster once traffic is cut over.

These are the steps the finding carries in the product.

Category
Compliance. Configuration drift from best practice: public access, missing MFA, unencrypted storage, deprecated runtimes.
Where it appears
The Compliance tab of Recommendations, with every affected resource listed.
Rule ID
RC-1224
Full reference

GKE Cluster Alias IPs Not Enabled

Related checks

GKE Control Plane Master Authorized Networks DisabledGoogle CloudCluster Network Policy Not EnforcedAWS, Google CloudGKE Cluster Logging DisabledGoogle CloudGKE Cluster Monitoring DisabledGoogle CloudGKE Cluster Not PrivateGoogle CloudGKE Node Auto-Upgrade Not ConfiguredGoogle Cloud

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