autoscaler.yaml.j2

# Copyright 2021 Cortex Labs, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: v1
kind: ServiceAccount
metadata:
  name: autoscaler
  namespace: default

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: autoscaler-role
rules:
- apiGroups:
  - "networking.istio.io"
  resources:
  - virtualservices
  verbs:
  - get
  - list
  - watch
  - update
- apiGroups:
  - "apps"
  resources:
  - deployments
  verbs:
  - get
  - update
  - watch

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: autoscaler-rolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: autoscaler-role
subjects:
- kind: ServiceAccount
  name: autoscaler
  namespace: default

---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: autoscaler
spec:
  selector:
    matchLabels:
      app: autoscaler
  template:
    metadata:
      name: autoscaler
      labels:
        app: autoscaler
    spec:
      serviceAccountName: autoscaler
      containers:
        - name: autoscaler
          imagePullPolicy: Always
          image: {{ config['image_autoscaler'] }}
          args:
            - "--in-cluster"
            - "--port=8000"
            - "--prometheus-url=http://prometheus.prometheus:9090"
            - "--namespace=default"
            - "--cluster-config=/configs/cluster/cluster.yaml"
          ports:
            - containerPort: 8000
          livenessProbe:
            httpGet:
              port: 8000
              path: /healthz
          readinessProbe:
            httpGet:
              port: 8000
              path: /healthz
          resources:
            requests:
              cpu: 100m
              memory: 100Mi
          envFrom:
          - configMapRef:
              name: env-vars
          volumeMounts:
          - mountPath: /configs/cluster/cluster.yaml
            name: cluster-config
            subPath: cluster.yaml
      volumes:
      - configMap:
          defaultMode: 420
          name: cluster-config
        name: cluster-config

---

apiVersion: v1
kind: Service
metadata:
  name: autoscaler
spec:
  type: ClusterIP
  selector:
    app: autoscaler
  ports:
    - port: 8000