Spread Pods Across Nodes
Sample policy to spread pods matching a label across nodes.
apiVersion: kyverno.io/v1 kind: ClusterPolicy metadata: name: spread-pods annotations: policies.kyverno.io/title: Spread Pods Across Nodes policies.kyverno.io/category: Sample policies.kyverno.io/description: >- Sample policy to spread pods matching a label across nodes. spec: rules: - name: spread-pods-across-nodes # Matches any Deployment with the label `distributed=required` match: resources: kinds: - Deployment selector: matchLabels: distributed: required # Mutates the incoming Deployment. mutate: patchStrategicMerge: spec: template: spec: # Adds the topologySpreadConstraints field if non-existent in the request. +(topologySpreadConstraints): - maxSkew: 1 topologyKey: zone whenUnsatisfiable: DoNotSchedule labelSelector: matchLabels: distributed: required
Last modified January 2, 2021: fix title & sort and regen policies (fa7e171)