Custom PDB Configuration

For fine-grained control over PDB settings, use availabilityClass: custom with a customPDBConfig.

Usage

apiVersion: availability.pdboperator.io/v1alpha1
kind: PDBPolicy
metadata:
  name: custom-policy
spec:
  availabilityClass: custom
  customPDBConfig:
    minAvailable: "3"
    unhealthyPodEvictionPolicy: IfHealthyBudget
  workloadSelector:
    matchLabels:
      app: my-database

Fields

Field	Type	Description
minAvailable	string	Minimum number or percentage of pods that must be available. Mutually exclusive with maxUnavailable.
maxUnavailable	string	Maximum number or percentage of pods that can be unavailable. Mutually exclusive with minAvailable.
unhealthyPodEvictionPolicy	string	Policy for evicting unhealthy pods: IfHealthyBudget or AlwaysAllow

Examples

Fixed number of available pods

customPDBConfig:
  minAvailable: "3"

Maximum unavailable pods

customPDBConfig:
  maxUnavailable: "1"

Percentage-based with unhealthy pod eviction

customPDBConfig:
  minAvailable: "80%"
  unhealthyPodEvictionPolicy: IfHealthyBudget