example.yaml

# Config map for resource configuration.
# Specify 'baseCPU', 'cpuPerNode', 'baseMemory', and 'memoryPerNode' to
# overwrite the CLI resource options 'cpu', 'extra-cpu', 'memory' and 'extra-memory'
# respectively.
apiVersion: v1
kind: ConfigMap
metadata:
  name: nanny-config
  namespace: default
data:
  NannyConfiguration: |-
    apiVersion: nannyconfig/v1alpha1
    kind: NannyConfiguration
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: pod-nanny
  namespace: default
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nanny-v1
  namespace: default
  labels:
    k8s-app: nanny
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: nanny
      version: v1
  template:
    metadata:
      labels:
        k8s-app: nanny
        version: v1
        kubernetes.io/cluster-service: "true"
    spec:
      serviceAccountName: pod-nanny
      containers:
        - image: registry.k8s.io/autoscaling/addon-resizer:1.8.14
          imagePullPolicy: Always
          name: pod-nanny
          resources:
            limits:
              cpu: 300m
              memory: 200Mi
            requests:
              cpu: 300m
              memory: 200Mi
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: MY_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          volumeMounts:
          - name: nanny-config-volume
            mountPath: /etc/config
          command:
            - /pod_nanny
            - --config-dir=/etc/config
            - --cpu=300m
            - --extra-cpu=20m
            - --memory=200Mi
            - --extra-memory=10Mi
            - --threshold=5
            - --deployment=nanny-v1
      volumes:
      - name: nanny-config-volume
        configMap:
          name: nanny-config
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: default:pod-nanny
rules:
### --use-metrics=false
- apiGroups:
  - ""
  resources:
  - nodes
  verbs:
  - list
### --use-metrics=true
# - nonResourceURLs:
#   - /metrics
#   verbs:
#   - get
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: pod-nanny-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: default:pod-nanny
subjects:
- kind: ServiceAccount
  name: pod-nanny
  namespace: default
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: default:pod-nanny
  namespace: default
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - get
- apiGroups:
  - "apps"
  resources:
  - deployments
  resourceNames:
  - nanny-v1
  verbs:
  - get
  - patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: pod-nanny-binding
  namespace: default
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: default:pod-nanny
subjects:
- kind: ServiceAccount
  name: pod-nanny
---