# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: custom-metrics-server-resources
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/metric-provider: custom-metrics
rules:
- apiGroups: ["custom.metrics.k8s.io"]
  resources: ["*"]
  verbs: ["*"]

---
# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: custom-metrics:system:auth-delegator
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/metric-provider: custom-metrics
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:auth-delegator
subjects:
- kind: ServiceAccount
  name: controller
  namespace: knative-serving

---
# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: hpa-controller-custom-metrics
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/metric-provider: custom-metrics
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: custom-metrics-server-resources
subjects:
- kind: ServiceAccount
  name: horizontal-pod-autoscaler
  namespace: kube-system

---
# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: custom-metrics-auth-reader
  namespace: kube-system
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/metric-provider: custom-metrics
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: extension-apiserver-authentication-reader
subjects:
- kind: ServiceAccount
  name: controller
  namespace: knative-serving

---
# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: apps/v1
kind: Deployment
metadata:
  name: autoscaler-hpa
  namespace: knative-serving
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/autoscaler-provider: hpa
spec:
  selector:
    matchLabels:
      app: autoscaler-hpa
  template:
    metadata:
      annotations:
        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
      labels:
        app: autoscaler-hpa
        serving.knative.dev/release: "v0.15.2"
    spec:
      serviceAccountName: controller
      containers:
      - name: autoscaler-hpa
        # This is the Go import path for the binary that is containerized
        # and substituted here.
        image: gcr.io/knative-releases/knative.dev/serving/cmd/autoscaler-hpa@sha256:210238a5846ee4b84782111f5cee3a592ea86ad4e36f89241799205f4e8109f9
        resources:
          requests:
            cpu: 30m
            memory: 40Mi
          limits:
            cpu: 300m
            memory: 400Mi
        env:
        - name: SYSTEM_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: CONFIG_LOGGING_NAME
          value: config-logging
        - name: CONFIG_OBSERVABILITY_NAME
          value: config-observability
        - # TODO(https://github.com/knative/pkg/pull/953): Remove stackdriver specific config
          name: METRICS_DOMAIN
          value: knative.dev/serving
        securityContext:
          allowPrivilegeEscalation: false
        ports:
        - name: metrics
          containerPort: 9090
        - name: profiling
          containerPort: 8008
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: autoscaler-hpa
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/autoscaler-provider: hpa
  name: autoscaler-hpa
  namespace: knative-serving
spec:
  ports:
  - # Define metrics and profiling for them to be accessible within service meshes.
    name: http-metrics
    port: 9090
    targetPort: 9090
  - name: http-profiling
    port: 8008
    targetPort: 8008
  selector:
    app: autoscaler-hpa

---
# Copyright 2019 The Knative Authors
#
# 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
#
#     https://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: apiregistration.k8s.io/v1beta1
kind: APIService
metadata:
  name: v1beta1.custom.metrics.k8s.io
  labels:
    serving.knative.dev/release: "v0.15.2"
    autoscaling.knative.dev/metric-provider: custom-metrics
spec:
  service:
    name: autoscaler
    namespace: knative-serving
  group: custom.metrics.k8s.io
  version: v1beta1
  insecureSkipTLSVerify: true
  groupPriorityMinimum: 100
  versionPriority: 100

---
