Enforce pod duration

This validation is valuable when annotations are used to define durations, such as to ensure a Pod lifetime annotation does not exceed some site specific max threshold. Pod lifetime annotation can be no greater than 8 hours.

Policy Definition

/other/pod_lifetime_annotation/enforce_pod_duration.yaml

 1apiVersion: kyverno.io/v1
 2kind: ClusterPolicy
 3metadata:
 4  name: pod-lifetime
 5  annotations:
 6    policies.kyverno.io/title: Enforce pod duration
 7    policies.kyverno.io/category: Sample
 8    policies.kyverno.io/minversion: 1.4.2
 9    policies.kyverno.io/subject: Pod
10    policies.kyverno.io/description: >-
11      This validation is valuable when annotations are used to define durations,
12      such as to ensure a Pod lifetime annotation does not exceed some site specific max threshold.
13      Pod lifetime annotation can be no greater than 8 hours.      
14spec:
15  validationFailureAction: audit
16  background: true
17  rules:
18  - name: pods-lifetime
19    match:
20      resources:
21        kinds:
22        - Pod
23    validate:
24      message: "Pod lifetime exceeds limit of 8h"
25      deny:
26        conditions:
27          any:
28          - key: "{{ request.object.metadata.annotations.\"pod.kubernetes.io/lifetime\" }}"
29            operator: GreaterThan
30            value: "8h"
31

Create policy issue