Ensure administrative boundaries between resources

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Metadata

Id: e84eaf4d-2f45-47b2-abe8-e581b06deb66

Cloud Provider: k8s

Framework: Kubernetes

Severity: Info

Category: Access Control

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Description

As a best practice, ensure correct use of namespaces to administer resources. Kubernetes authorization plugins can also create policies that segregate user access to namespaces.

Non-Compliant Code Examples

apiVersion: v1
kind: Pod
metadata:
  name: frontend
  namespace: cosmic-namespace
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"
---
apiVersion: v1
kind: Pod
metadata:
  name: frontend2
  namespace: cosmic-namespace
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"