# Copyright 2020 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
#
#     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: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: sequences.flows.knative.dev
  labels:
    knative.dev/release: devel
    knative.dev/crd-install: "true"
    duck.knative.dev/addressable: "true"
spec:
  group: flows.knative.dev
  versions:
  - &version
    name: v1beta1
    served: true
    storage: false
    subresources:
      status: {}
    schema:
      openAPIV3Schema: &openAPIV3Schema
        type: object
        properties:
          spec:
            description: Spec defines the desired state of the Sequence.
            type: object
            properties:
              channelTemplate:
                description: ChannelTemplate specifies which Channel CRD to use. If
                    left unspecified, it is set to the default Channel CRD for the
                    namespace (or cluster, in case there are no defaults for the namespace).
                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
                  spec:
                    description: Spec defines the Spec to use for each channel
                        created. Passed in verbatim to the Channel CRD as Spec
                        section.
                    type: object
                    x-kubernetes-preserve-unknown-fields: true
              reply:
                description: Reply is a Reference to where the result of the last
                    Subscriber gets sent to.
                type: object
                properties: &addressableProperties
                    ref:
                      description: Ref points to an Addressable.
                      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
                        namespace:
                          description: 'Namespace of the referent. More info:
                              https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
                              This is optional field, it gets defaulted to the
                              object holding it if left out.'
                          type: string
                    uri:
                      description: URI can be an absolute URL(non-empty scheme and
                          non-empty host) pointing to the target or a relative URI.
                          Relative URIs will be resolved using the base URI retrieved
                          from Ref.
                      type: string
              steps:
                description: Steps is the list of Destinations (processors / functions)
                    that will be called in the order provided. Each step has its own
                    delivery options
                type: array
                items:
                  type: object
                  properties:
                    << : *addressableProperties
                    delivery:
                      description: Delivery is the delivery specification for
                          events to the subscriber This includes things like
                          retries, DLQ, etc.
                      type: object
                      properties:
                        backoffDelay:
                          description: 'BackoffDelay is the delay before
                              retrying. More information on Duration format:
                              - https://www.iso.org/iso-8601-date-and-time-format.html
                              - https://en.wikipedia.org/wiki/ISO_8601  For
                              linear policy, backoff delay is backoffDelay*<numberOfRetries>.
                              For exponential policy, backoff delay is
                              backoffDelay*2^<numberOfRetries>.'
                          type: string
                        backoffPolicy:
                          description: BackoffPolicy is the retry backoff
                              policy (linear, exponential).
                          type: string
                        deadLetterSink:
                          description: DeadLetterSink is the sink receiving
                              event that could not be sent to a destination.
                          type: object
                          properties:
                            << : *addressableProperties
                        retry:
                          description: Retry is the minimum number of retries
                              the sender should attempt when sending an
                              event before moving it to the dead letter
                              sink.
                          type: integer
                          format: int32
          status:
            description: Status represents the current state of the Sequence. This data
                may be out of date.
            type: object
            properties:
              address:
                type: object
                properties:
                    url:
                        type: string
              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
              channelStatuses:
                description: ChannelStatuses is an array of corresponding Channel
                    statuses. Matches the Spec.Steps array in the order.
                type: array
                items:
                  type: object
                  properties:
                    channel:
                      description: Channel is the reference to the underlying
                          channel.
                      type: object
                      properties: &referentProperties
                        apiVersion:
                          description: API version of the referent.
                          type: string
                        fieldPath:
                          description: 'If referring to a piece of an object
                              instead of an entire object, this string should
                              contain a valid JSON/Go field access statement,
                              such as desiredState.manifest.containers[2].
                              For example, if the object reference is to
                              a container within a pod, this would take
                              on a value like: "spec.containers{name}" (where
                              "name" refers to the name of the container
                              that triggered the event) or if no container
                              name is specified "spec.containers[2]" (container
                              with index 2 in this pod). This syntax is
                              chosen only to have some well-defined way
                              of referencing a part of an object.'
                          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
                        namespace:
                          description: 'Namespace of the referent. More
                              info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/'
                          type: string
                        resourceVersion:
                          description: 'Specific resourceVersion to which
                              this reference is made, if any. More info:
                              https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#concurrency-control-and-consistency'
                          type: string
                        uid:
                          description: 'UID of the referent. More info:
                              https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#uids'
                          type: string
                    ready:
                      description: ReadyCondition indicates whether the Channel
                          is ready or not.
                      type: object
                      x-kubernetes-preserve-unknown-fields: true
                      properties: &readyConditionProperties
                        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
              conditions:
                description: Conditions the latest available observations of a resource's
                    current state.
                type: array
                items:
                  type: object
                  properties:
                    <<: *readyConditionProperties
              observedGeneration:
                description: ObservedGeneration is the 'Generation' of the Service
                    that was last processed by the controller.
                type: integer
                format: int64
              subscriptionStatuses:
                description: SubscriptionStatuses is an array of corresponding Subscription
                    statuses. Matches the Spec.Steps array in the order.
                type: array
                items:
                  type: object
                  properties:
                    ready:
                      description: ReadyCondition indicates whether the Subscription
                          is ready or not.
                      type: object
                      properties:
                        <<: *readyConditionProperties
                    subscription:
                      description: Subscription is the reference to the underlying
                          Subscription.
                      type: object
                      properties:
                        <<: *referentProperties
    additionalPrinterColumns:
    - name: URL
      type: string
      jsonPath: .status.address.url
    - name: Age
      type: date
      jsonPath: .metadata.creationTimestamp
    - name: Ready
      type: string
      jsonPath: ".status.conditions[?(@.type==\"Ready\")].status"
    - name: Reason
      type: string
      jsonPath: ".status.conditions[?(@.type==\"Ready\")].reason"
  - <<: *version
    name: v1
    served: true
    storage: true
    # the schema of v1 is exactly the same as v1beta1 schema
    schema:
      openAPIV3Schema:
        << : *openAPIV3Schema
  names:
    kind: Sequence
    plural: sequences
    singular: sequence
    categories:
    - all
    - knative
    - flows
  scope: Namespaced
  conversion:
    strategy: Webhook
    webhook:
      conversionReviewVersions: ["v1", "v1beta1"]
      clientConfig:
        service:
          name: webhook
          namespace: mink-system
