k3s/cluster/addons/cluster-monitoring/googleinfluxdb/heapster-controller-combined.yaml

{% set metrics_memory = "200Mi" -%}
{% set eventer_memory = "200Mi" -%}
{% set metrics_memory_per_node = 4 -%}
{% set eventer_memory_per_node = 500 -%}
{% set num_nodes = pillar.get('num_nodes', -1) -%}
{% if num_nodes >= 0 -%}
  {% set metrics_memory = (200 + num_nodes * metrics_memory_per_node)|string + "Mi" -%}
  {% set eventer_memory = (200 * 1024 + num_nodes * eventer_memory_per_node)|string + "Ki" -%}
{% endif -%}

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: heapster
  namespace: kube-system
  labels:
    k8s-app: heapster
    kubernetes.io/cluster-service: "true"
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: heapster
  template:
    metadata:
      labels:
        k8s-app: heapster
        kubernetes.io/cluster-service: "true"
    spec:
      containers:
        - image: gcr.io/google_containers/heapster:v1.0.0
          name: heapster
          resources:
            # keep request = limit to keep this container in guaranteed class
            limits:
              cpu: 100m
              memory: {{ metrics_memory }}
            requests:
              cpu: 100m
              memory: {{ metrics_memory }}
          command:
            - /heapster
            - --source=kubernetes.summary_api:''
            - --sink=influxdb:http://monitoring-influxdb:8086
            - --sink=gcm:?metrics=autoscaling
            - --metric_resolution=60s
          volumeMounts:
            - name: ssl-certs
              mountPath: /etc/ssl/certs
              readOnly: true
        - image: gcr.io/google_containers/heapster:v1.0.0
          name: eventer
          resources:
            # keep request = limit to keep this container in guaranteed class
            limits:
              cpu: 100m
              memory: {{ eventer_memory }}
            requests:
              cpu: 100m
              memory: {{ eventer_memory }}
          command:
            - /eventer
            - --source=kubernetes:''
            - --sink=gcl
          volumeMounts:
            - name: ssl-certs
              mountPath: /etc/ssl/certs
              readOnly: true
        - image: gcr.io/google_containers/addon-resizer:1.0
          name: heapster-nanny
          resources:
            limits:
              cpu: 50m
              memory: 100Mi
            requests:
              cpu: 50m
              memory: 100Mi
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: MY_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          command:
            - /pod_nanny
            - --cpu=100m
            - --extra-cpu=0m
            - --memory={{ metrics_memory }}
            - --extra-memory={{ metrics_memory_per_node }}Mi
            - --threshold=5
            - --deployment=heapster
            - --container=heapster
            - --poll-period=300000
        - image: gcr.io/google_containers/addon-resizer:1.0
          name: eventer-nanny
          resources:
            limits:
              cpu: 50m
              memory: 100Mi
            requests:
              cpu: 50m
              memory: 100Mi
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: MY_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          command:
            - /pod_nanny
            - --cpu=100m
            - --extra-cpu=0m
            - --memory={{ eventer_memory }}
            - --extra-memory={{ eventer_memory_per_node }}Ki
            - --threshold=5
            - --deployment=heapster
            - --container=eventer
            - --poll-period=300000
      volumes:
        - name: ssl-certs
          hostPath:
            path: "/etc/ssl/certs"