Kubernetes Audit Policy

policy.yaml

apiVersion: audit.k8s.io/v1
kind: Policy
rules:
# do not log requests to the following 
- level: None
  nonResourceURLs:
  - "/healthz*"
  - "/logs"
  - "/metrics"
  - "/swagger*"
  - "/version"

# limit level to Metadata so token is not included in the spec/status
- level: Metadata
  omitStages:
  - RequestReceived
  resources:
  - group: authentication.k8s.io
    resources:
    - tokenreviews

# extended audit of auth delegation
- level: RequestResponse
  omitStages:
  - RequestReceived
  resources:
  - group: authorization.k8s.io
    resources:
    - subjectaccessreviews

# log changes to pods at RequestResponse level
- level: RequestResponse
  omitStages:
  - RequestReceived
  resources:
  - group: "" # core API group; add third-party API services and your API services if needed
    resources: ["pods"]
    verbs: ["create", "patch", "update", "delete"]

# log everything else at Metadata level
- level: Metadata
  omitStages:
  - RequestReceived