iac/infrastructure/security-audit/base/networkpolicy.yaml

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# Коллектору нужны только DNS, Kafka и Vault (агент-инжектор). Входящие — только health-check kubelet'а.
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: audit-collector
spec:
podSelector: {}
policyTypes: [Ingress, Egress]
ingress:
- ports:
- {port: 13133, protocol: TCP} # health_check (liveness/readiness)
egress:
- to:
- namespaceSelector:
matchLabels: {kubernetes.io/metadata.name: kube-system}
podSelector:
matchLabels: {k8s-app: kube-dns}
- ipBlock: {cidr: 169.254.25.10/32} # nodelocaldns kubespray; TODO(verify): enable_nodelocaldns в контуре
ports:
- {port: 53, protocol: UDP}
- {port: 53, protocol: TCP}
- to:
- namespaceSelector:
matchLabels: {kubernetes.io/metadata.name: kafka}
ports:
# client-листенер SASL_SSL: bootstrap kafka-kafka-contour и advertised-адреса подов controller-headless
- {port: 9092, protocol: TCP}
- to:
- namespaceSelector:
matchLabels: {kubernetes.io/metadata.name: vault}
ports:
- {port: 8200, protocol: TCP} # vault-vault-contour.vault.svc:8200 (AGENT_INJECT_VAULT_ADDR)