# Copyright 2018 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.

# Note: The schema part of the spec is auto-generated by hack/update-schemas.sh.

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: podautoscalers.autoscaling.internal.knative.dev
  labels:
    app.kubernetes.io/name: knative-serving
    app.kubernetes.io/version: devel
    serving.knative.dev/release: devel
    knative.dev/crd-install: "true"
spec:
  group: autoscaling.internal.knative.dev
  names:
    kind: PodAutoscaler
    plural: podautoscalers
    singular: podautoscaler
    categories:
      - knative-internal
      - autoscaling
    shortNames:
      - kpa
      - pa
  scope: Namespaced
  versions:
    - name: v1alpha1
      served: true
      storage: true
      subresources:
        status: {}
      additionalPrinterColumns:
        - name: DesiredScale
          type: integer
          jsonPath: ".status.desiredScale"
        - name: ActualScale
          type: integer
          jsonPath: ".status.actualScale"
        - name: Ready
          type: string
          jsonPath: ".status.conditions[?(@.type=='Ready')].status"
        - name: Reason
          type: string
          jsonPath: ".status.conditions[?(@.type=='Ready')].reason"
      schema:
        openAPIV3Schema:
          description: 'PodAutoscaler is a Knative abstraction that encapsulates the interface by which Knative components instantiate autoscalers.  This definition is an abstraction that may be backed by multiple definitions.  For more information, see the Knative Pluggability presentation: https://docs.google.com/presentation/d/10KWynvAJYuOEWy69VBa6bHJVCqIsz1TNdEKosNvcpPY/edit'
          type: object
          properties:
            apiVersion:
              description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
              type: string
            kind:
              description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
              type: string
            metadata:
              type: object
            spec:
              description: Spec holds the desired state of the PodAutoscaler (from the client).
              type: object
              required:
                - protocolType
                - scaleTargetRef
              properties:
                containerConcurrency:
                  description: ContainerConcurrency specifies the maximum allowed in-flight (concurrent) requests per container of the Revision. Defaults to `0` which means unlimited concurrency.
                  type: integer
                  format: int64
                protocolType:
                  description: The application-layer protocol. Matches `ProtocolType` inferred from the revision spec.
                  type: string
                reachability:
                  description: Reachability specifies whether or not the `ScaleTargetRef` can be reached (ie. has a route). Defaults to `ReachabilityUnknown`
                  type: string
                scaleTargetRef:
                  description: ScaleTargetRef defines the /scale-able resource that this PodAutoscaler is responsible for quickly right-sizing.
                  type: object
                  properties:
                    apiVersion:
                      description: API version of the referent.
                      type: string
                    kind:
                      description: 'Kind of the referent. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
                      type: string
                    name:
                      description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names'
                      type: string
            status:
              description: Status communicates the observed state of the PodAutoscaler (from the controller).
              type: object
              required:
                - metricsServiceName
                - serviceName
              properties:
                actualScale:
                  description: ActualScale shows the actual number of replicas for the revision.
                  type: integer
                  format: int32
                annotations:
                  description: Annotations is additional Status fields for the Resource to save some additional State as well as convey more information to the user. This is roughly akin to Annotations on any k8s resource, just the reconciler conveying richer information outwards.
                  type: object
                  additionalProperties:
                    type: string
                conditions:
                  description: Conditions the latest available observations of a resource's current state.
                  type: array
                  items:
                    description: 'Condition defines a readiness condition for a Knative resource. See: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md#typical-status-properties'
                    type: object
                    required:
                      - status
                      - type
                    properties:
                      lastTransitionTime:
                        description: LastTransitionTime is the last time the condition transitioned from one status to another. We use VolatileTime in place of metav1.Time to exclude this from creating equality.Semantic differences (all other things held constant).
                        type: string
                        format: date-time
                      message:
                        description: A human readable message indicating details about the transition.
                        type: string
                      reason:
                        description: The reason for the condition's last transition.
                        type: string
                      severity:
                        description: Severity with which to treat failures of this type of condition. When this is not specified, it defaults to Error.
                        type: string
                      status:
                        description: Status of the condition, one of True, False, Unknown.
                        type: string
                      type:
                        description: Type of condition.
                        type: string
                desiredScale:
                  description: DesiredScale shows the current desired number of replicas for the revision.
                  type: integer
                  format: int32
                metricsServiceName:
                  description: MetricsServiceName is the K8s Service name that provides revision metrics. The service is managed by the PA object.
                  type: string
                observedGeneration:
                  description: ObservedGeneration is the 'Generation' of the Service that was last processed by the controller.
                  type: integer
                  format: int64
                serviceName:
                  description: ServiceName is the K8s Service name that serves the revision, scaled by this PA. The service is created and owned by the ServerlessService object owned by this PA.
                  type: string
