extender.safe.congestion.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: my-scheduler-config
  namespace: kube-system
data:
  config.yaml: |
    apiVersion: kubescheduler.config.k8s.io/v1alpha1
    kind: KubeSchedulerConfiguration
    schedulerName: my-scheduler
    algorithmSource:
      policy:
        configMap:
          namespace: kube-system
          name: my-scheduler-policy
    leaderElection:
      leaderElect: true
      lockObjectName: my-scheduler
      lockObjectNamespace: kube-system
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: my-scheduler-policy
  namespace: kube-system
data:
 policy.cfg : |
  {
    "kind" : "Policy",
    "apiVersion" : "v1",
    "extenders" : [{
      "urlPrefix": "http://localhost:5401/scheduler",
      "filterVerb": "predicates/safe-overload",
      "prioritizeVerb": "priorities/safe-overload",
      "preemptVerb": "",
      "bindVerb": "",
      "weight": 1,
      "enableHttps": false,
      "nodeCacheCapable": false
    },
    {
      "urlPrefix": "http://localhost:5402/scheduler",
      "filterVerb": "",
      "prioritizeVerb": "priorities/congestion",
      "preemptVerb": "",
      "bindVerb": "",
      "weight": 1,
      "enableHttps": false,
      "nodeCacheCapable": false
    }]
  }
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-scheduler
  namespace: kube-system
  labels:
    app: my-scheduler
spec:
  replicas: 1
  selector:
    matchLabels:
      app: my-scheduler
  template:
    metadata:
      labels:
        app: my-scheduler
    spec:
      volumes:
      - name: my-scheduler-config
        configMap:
          name: my-scheduler-config
      containers:
      - name: my-scheduler-ctr
        image: gcr.io/google_containers/hyperkube:v1.13.5
        imagePullPolicy: IfNotPresent
        args:
        - kube-scheduler
        - --config=/my-scheduler/config.yaml
        - -v=4
        volumeMounts:
        - name: my-scheduler-config
          mountPath: /my-scheduler
      - name: my-extender-ctr-1
        image: kube-sched-ext-safe:0.0
        imagePullPolicy: IfNotPresent
        livenessProbe:
          httpGet:
            path: /version
            port: 5401
        readinessProbe:
          httpGet:
            path: /version
            port: 5401
        ports:
          - containerPort: 5401
        env:
          - name: SAFEUTILIZATION
            value: "90"
          - name: SAFEPERCENTILE
            value: "30"
          - name: SAFEPRINTTABLE
            value: "false"
          - name: SAFEFORECASTWEIGHT
            value: "20"
          - name: HTTP_PORT
            value: "5401"
      - name: my-extender-ctr-2
        image: kube-sched-ext-congestion:0.0
        imagePullPolicy: IfNotPresent
        livenessProbe:
          httpGet:
            path: /version
            port: 5402
        readinessProbe:
          httpGet:
            path: /version
            port: 5402
        ports:
          - containerPort: 5402
        env:
          - name: CONGESTION_FACTOR_MAX
            value: "10"
          - name: HTTP_PORT
            value: "5402"