#==================================================================================
#  Copyright (c) 2019 AT&T Intellectual Property.
#  Copyright (c) 2019 Nokia
#
#   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.
#==================================================================================
swagger: '2.0'
info:
  description: This is a draft API for RIC appmgr
  version: 0.3.3
  title: RIC appmgr
  license:
    name: Apache 2.0
    url: 'http://www.apache.org/licenses/LICENSE-2.0.html'
host: hostname
basePath: /ric/v1
schemes:
  - http
paths:
  /health/alive :
    get :
      summary     : Health check of xApp Manager - Liveness probe
      tags        : 
        - health
      operationId : getHealthAlive
      responses   :
        '200' :
          description : Status of xApp Manager is ok
  /health/ready :
    get :
      summary     : Readiness check of xApp Manager - Readiness probe
      tags        : 
        - health
      operationId : getHealthReady
      responses   :
        '200':
          description : xApp Manager is ready for service
        '503':
          description: xApp Manager is not ready for service
  /xapps:
    post:
      summary: Deploy a xapp
      tags:
        - xapp
      operationId: deployXapp
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - name: XappDescriptor
          in: body
          description: xApp deployment info
          schema:
            $ref: '#/definitions/XappDescriptor'
      responses:
        '201':
          description: xApp successfully created
          schema:
            $ref: '#/definitions/Xapp'
        '400':
          description: Invalid input
        '500':
          description: Internal error
    get:
      summary: Returns the status of all xapps
      tags:
        - xapp
      operationId: getAllXapps
      produces:
        - application/json
      responses:
        '200':
          description: successful query of xApps
          schema:
            $ref: '#/definitions/AllDeployedXapps'
        '500':
          description: Internal error
  /xapps/list:
    get:
      summary: Returns the list of all deployable xapps
      tags:
        - xapp
      operationId: listAllXapps
      produces:
        - application/json
      responses:
        '200':
          description: successful list of deployable xApps
          schema:
            $ref: '#/definitions/AllDeployableXapps'
        '500':
          description: Internal error
  /xapps/{xAppName}:
    get:
      summary: Returns the status of a given xapp
      tags:
        - xapp
      operationId: getXappByName
      produces:
        - application/json
      parameters:
        - name: xAppName
          in: path
          description: Name of xApp
          required: true
          type: string
      responses:
        '200':
          description: successful operation
          schema:
            $ref: '#/definitions/Xapp'
        '400':
          description: Invalid ID supplied
        '404':
          description: Xapp not found
        '500':
          description: Internal error
    delete:
      summary: Undeploy an existing xapp
      tags:
        - xapp
      operationId: undeployXapp
      parameters:
        - name: xAppName
          in: path
          description: Xapp to be undeployed
          required: true
          type: string
      responses:
        '204':
          description: Successful deletion of xApp
        '400':
          description: Invalid xApp name supplied
        '500':
          description: Internal error
  /xapps/{xAppName}/instances/{xAppInstanceName}:
    get:
      summary: Returns the status of a given xapp
      tags:
        - xapp
      operationId: getXappInstanceByName
      produces:
        - application/json
      parameters:
        - name: xAppName
          in: path
          description: Name of xApp
          required: true
          type: string
        - name: xAppInstanceName
          in: path
          description: Name of xApp instance to get information
          required: true
          type: string
      responses:
        '200':
          description: successful operation
          schema:
            $ref: '#/definitions/XappInstance'
        '400':
          description: Invalid name supplied
        '404':
          description: Xapp not found
        '500':
          description: Internal error
  /config:
    put:
      summary: Modify xApp config
      tags:
        - xapp
      operationId: ModifyXappConfig
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - name: XAppConfig
          in: body
          description: xApp config
          schema:
            $ref: '#/definitions/XAppConfig'
      responses:
        '200':
          description: xApp config successfully modified
          schema:
            $ref: '#/definitions/ConfigValidationErrors'
        '400':
          description: Invalid input
        '422':
          description: Validation of configuration failed
        '500':
          description: Internal error
    get:
      summary: Returns the configuration of all xapps
      tags:
        - xapp
      operationId: getAllXappConfig
      produces:
        - application/json
      responses:
        '200':
          description: successful query of xApp config
          schema:
            $ref: '#/definitions/AllXappConfig'
        '500':
          description: Internal error
  /config/{element}:
    get:
      summary: Returns the given element of the configuration
      tags:
        - xapp
      operationId: GetConfigElement
      produces:
        - application/json
      parameters:
        - name: element
          in: path
          description: Name of configuration element
          required: true
          type: string
      responses:
        '200':
          description: successful query of config elements
          schema:
            $ref: '#/definitions/AllXappConfig'
        '500':
          description: Internal error
  /subscriptions:
    post:
      summary: Subscribe event
      tags:
        - xapp
        - subscriptions
      operationId: addSubscription
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - name: subscriptionRequest
          in: body
          description: New subscription
          required: true
          schema:
            $ref: '#/definitions/subscriptionRequest'
      responses:
        '201':
          description: Subscription successfully created
          schema:
            $ref: '#/definitions/subscriptionResponse'
        '400':
          description: Invalid input
    get:
      summary: Returns all subscriptions
      tags:
        - xapp
        - subscriptions
      operationId: getSubscriptions
      produces:
        - application/json
      responses:
        '200':
          description: successful query of subscriptions
          schema:
            $ref: '#/definitions/allSubscriptions'
  /subscriptions/{subscriptionId}:
    get:
      summary: Returns the information of subscription
      tags:
        - xapp
        - subscriptions
      operationId: getSubscriptionById
      produces:
        - application/json
      parameters:
        - name: subscriptionId
          in: path
          description: ID of subscription
          required: true
          type: string
      responses:
        '200':
          description: successful operation
          schema:
            $ref: '#/definitions/subscription'
        '400':
          description: Invalid ID supplied
        '404':
          description: Subscription not found
    put:
      summary: Modify event subscription
      tags:
        - xapp
        - subscriptions
      operationId: modifySubscription
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - name: subscriptionId
          in: path
          description: ID of subscription
          required: true
          type: string
        - in: body
          name: subscriptionRequest
          description: Modified subscription
          required: true
          schema:
            $ref: '#/definitions/subscriptionRequest'
      responses:
        '200':
          description: Subscription modification successful
          schema:
            $ref: '#/definitions/subscriptionResponse'
        '400':
          description: Invalid input
    delete:
      summary: Unsubscribe event
      tags:
        - xapp
        - subscriptions
      description: ''
      operationId: deleteSubscription
      parameters:
        - name: subscriptionId
          in: path
          description: ID of subscription
          required: true
          type: string
      responses:
        '204':
          description: Successful deletion of subscription
        '400':
          description: Invalid subscription supplied
  /register:
    post:
      summary: Register a new xApp
      tags:
        - xapp
        - registration
      operationId: registerXapp
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - name: registerRequest
          in: body
          description: New xApp registration
          required: true
          schema:
            $ref: '#/definitions/registerRequest'
      responses:
        '201':
          description: Registration successful
        '400':
          description: Invalid input
  /deregister:		  
    post:
      summary: Deregister an existing xApp
      tags:
        - xapp
        - registration
      operationId: deregisterXapp
      consumes:
        - application/json
      parameters:
        - name: deregisterRequest
          in: body
          description: Xapp to be unregistered
          required: true
          schema:
            $ref: '#/definitions/deregisterRequest'
      responses:
        '204':
          description: Successful deregistration of xApp
        '400':
          description: Invalid xApp name supplied
        '500':
          description: Internal error
definitions:
  AllDeployableXapps:
    type: array
    items:
      type: string
  AllDeployedXapps:
    type: array
    items:
      $ref: '#/definitions/Xapp'
  Xapp:
    type: object
    required:
      - name
    properties:
      name:
        type: string
      status:
        type: string
        description: xapp status in the RIC
        enum:
          - unknown
          - deployed
          - deleted
          - superseded
          - failed
          - deleting
      version:
        type: string
      instances:
        type: array
        items:
          $ref: '#/definitions/XappInstance'
  XappInstance:
    type: object
    required:
      - name
    properties:
      name:
        type: string
      status:
        type: string
        description: xapp instance status
        enum:
          - pending
          - running
          - succeeded
          - failed
          - unknown
          - completed
          - crashLoopBackOff
      ip:
        type: string
      port:
        type: integer
      txMessages:
        type: array
        items:
          type: string
      rxMessages:
        type: array
        items:
          type: string
      policies:
         type: array
         items:
           type: integer
  XappDescriptor:
    type: object
    required:
      - xappName
    properties:
      xappName:
        type: string
        description: Name of the xApp in helm chart
      helmVersion:
        type: string
        description: The exact xapp helm chart version to install
      releaseName:
        type: string
        description: Name of the xapp to be visible in Kubernetes
      namespace:
        type: string
        description: Name of the namespace to which xApp is deployed. Overrides the value given in Helm chart value file.
      overrideFile:
        type: object
        description: JSON string of override file for 'helm install' command
  XappDescriptorList:
    type: array
    items:
      $ref: '#/definitions/XappDescriptor'
  ConfigMetadata:
    type: object
    required:
      - xappName
      - namespace
    properties:
      xappName:
        type: string
        description: Name of the xApp
      namespace:
        type: string
        description: Name of the namespace
  ConfigValidationError:
    type: object
    required:
      - field
      - error
    properties:
      field:
        type: string
        description: Name of the parameter
      error:
        type: string
        description: Description of validation error
  ConfigValidationErrors:
    type: array
    items:
      $ref: '#/definitions/ConfigValidationError'
  XAppConfig:
    type: object
    required:
      - metadata
      - config
    properties:
      metadata:
        $ref: '#/definitions/ConfigMetadata'
      config:
        type: object
        description: Configuration in JSON format
  AllXappConfig:
    type: array
    items:
      $ref: '#/definitions/XAppConfig'
  EventType:
    type: string
    description: Event which is subscribed
    enum:
      - deployed
      - undeployed
      - created
      - modified
      - deleted
      - restarted
      - all
  SubscriptionData:
    type: object
    required:
      - targetUrl
      - eventType
      - maxRetries
      - retryTimer
    properties:
      targetUrl:
        type: string
        example: 'http://localhost:11111/apps/webhook/'
      eventType:
        $ref: '#/definitions/EventType'
      maxRetries:
        type: integer
        description: Maximum number of retries
      retryTimer:
        type: integer
        description: Time in seconds to wait before next retry
  subscriptionRequest:
    type: object
    required:
      - data
    properties:
      data:
        $ref: '#/definitions/SubscriptionData'
  subscriptionResponse:
    type: object
    properties:
      id:
        type: string
      version:
        type: integer
      eventType:
        $ref: '#/definitions/EventType'
  allSubscriptions:
    type: array
    items:
      $ref: '#/definitions/subscription'
  subscription:
    type: object
    properties:
      id:
        type: string
      data:
        $ref: '#/definitions/SubscriptionData'
  subscriptionNotification:
    type: object
    properties:
      id:
        type: string
      version:
        type: integer
      eventType:
        $ref: '#/definitions/EventType'
      xApps:
        $ref: '#/definitions/AllDeployedXapps'
  registerRequest:
    type: object
    required:
      - appName
      - appInstanceName
      - httpEndpoint
      - rmrEndpoint
    properties:
      appName:
        type: string
      appVersion:
        type: string
      configPath:
        type: string
      appInstanceName:
        type: string
      httpEndpoint:
        type: string
      rmrEndpoint:
        type: string
      config:
        type: string
        description: Configuration in JSON string format
  deregisterRequest:
    type: object
    required:
      - appName
      - appInstanceName
    properties:
      appName:
        type: string
      appInstanceName:
        type: string