Use VPC native GKE clusters with alias IP address ranges

Cara pemeriksaan

Metode audit: Perintah shell

v=$(gcloud container clusters describe "${GKE_CLUSTER:?set GKE_CLUSTER}" --location "${GKE_LOCATION:?set GKE_LOCATION}" ${GKE_PROJECT:+--project=$GKE_PROJECT} --format='value(ipAllocationPolicy.useIpAliases)') || exit 1
if [ "$v" = True ]; then echo compliant; else echo "noncompliant: ipAllocationPolicy.useIpAliases=$v"; fi

Output yang diharapkan

compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

VPC native networking is selected at cluster creation and cannot be enabled on an existing routes based cluster. To remediate a noncompliant cluster, create a new GKE cluster with alias IP address ranges enabled, migrate workloads to the new cluster, validate application connectivity, and decommission the routes based cluster after migration is complete. gcloud container clusters create $CLUSTER_NAME \ --location $LOCATION \ --project $PROJECT_ID \ --enable-ip-alias For production clusters, define or select appropriate subnet secondary IP address ranges for Pods and Services before cluster creation. Proper IP range planning helps avoid Pod or Service IP exhaustion as the cluster scales. • Note: VPC native networking is selected at cluster creation and cannot be enabled on an existing routes based cluster.

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tmaegis scan --target gke