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TMA-OKE-3.2.7

Ensure kubelet tlsCertFile and tlsPrivateKeyFile are configured appropriately

YüksekDüzey 1Otomatikoke

Açıklama

Setup TLS connection on the Kubelets. For OKE worker nodes, this control validates that the kubelet HTTPS serving endpoint uses an appropriate TLS certificate and private key configuration rather than relying on an unintended or unmanaged serving identity. Reads every node's effective kubelet configuration through the API server (kubectl get --raw /api/v1/nodes/<node>/proxy/configz); requires kubectl with nodes/proxy access.

Nasıl denetlenir

Denetim yöntemi: Kabuk komutu

shell
nodes=$(kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}') || exit 1
[ -n "$nodes" ] || exit 1
ok=1
for n in $nodes; do
  c=$(kubectl get --raw "/api/v1/nodes/$n/proxy/configz") || exit 1
  if ! { printf '%s' "$c" | grep -Eq '"tlsCertFile":"[^"]+"' && printf '%s' "$c" | grep -Eq '"tlsPrivateKeyFile":"[^"]+"'; }; then echo "noncompliant: $n"; ok=0; fi
done
if [ "$ok" -eq 1 ]; then echo compliant; fi
Beklenen çıktı
compliant

Nasıl düzeltilir

Düzeltme yöntemi: Kılavuz veya altyapı yaması

If the audit shows that the kubelet serving certificate and private key are not configured appropriately, first confirm the inspection reflects the effective node configuration. In OKE, remediation should be performed through the supported managed node initialization, node pool update, or node replacement workflow, not by directly editing the kubelet config file on the host. Oracle supports custom cloud-init initialization scripts for managed nodes, including kubelet extra args, and updated worker node properties are applied through new or replacement worker nodes. Remediation of new cluster When creating a new OKE cluster or node pool, ensure each worker node starts with the intended kubelet serving certificate and private key configuration. If customization is required, place the certificate, private key, and kubelet reference in the supported managed node initialization path.

Özellikler

İşletim sistemleri
Herhangi biri
Etiketler
okeworker-nodekubelet
Referans
CIS Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) Benchmark v2.0.0 - 3.2.7 Ensure kubelet tlsCertFile and tlsPrivateKeyFile are configured appropriately

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shell
tmaegis scan --target oke