descheduler.yaml

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: descheduler-cluster-role
rules:
  - apiGroups: [""]
    resources: ["nodes"]
    verbs: ["get", "watch", "list"]
  - apiGroups: [""]
    resources: ["pods"]
    verbs: ["get", "watch", "list", "delete"]
  - apiGroups: [""]
    resources: ["pods/eviction"]
    verbs: ["create"]
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: descheduler-sa
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: descheduler-user
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: descheduler-cluster-role
subjects:
  - kind: ServiceAccount
    name: descheduler-sa
    namespace: kube-system
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: descheduler-policy-configmap
  namespace: kube-system
data:
  policy.yaml: |
    apiVersion: "descheduler/v1alpha1"
    kind: "DeschedulerPolicy"
    strategies:
      "RemoveDuplicates":
        enabled: true
      "RemovePodsViolatingInterPodAntiAffinity":
        enabled: true
      "LowNodeUtilization":
        enabled: true
        params:
          nodeResourceUtilizationThresholds:
            thresholds:
              "cpu" : 20
              "memory": 20
              "pods": 20
            targetThresholds:
              "cpu" : 50
              "memory": 50
              "pods": 50