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swagger: '2.0'

info:
  version: "4.0.0"
  title:  Dispatcher API
  description: |
    High-level API for deploying/deploying composed services using Cloudify Manager.

# Paths
paths:
  /:
    get:
      description: |
        Get API version information and links to API operations
        
      responses:

        200:
          description: Success
          schema:
            title: DispatcherInfo
            type: object
            properties:
              apiVersion:
                type: string
                description: |
                  version of API supported by this server
              serverVersion:
                  type: string
                  description: |
                    version of software running on this server
              links:
                type: object
                description: |
                  Links to API resources
                properties:
                  info:
                    type: string
                    description: |
                      path for the server information endpoint
                  events:
                    type: string
                    description: |
                      path for the events endpoint   

  /dcae-deployments:
    get:
      description: |
        List service deployments known to the orchestrator, optionally restricted to a single service type
      
      parameters:
        - name: serviceTypeId
          description: |
            Service type identifier for the type whose deployments are to be listed
          type: string
          in: query
          required: false
        
      responses:

        200:
          description: |
            Success. (Note that if no matching deployments are found, the request is still a success; the
            deployments array is empty in that case.)
          schema: 
            $ref: "#/definitions/DCAEDeploymentsListResponse"

        500:
          description: |
            Problem on the server side.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"                    
        502:
          description: |
            Error reported to the dispatcher by a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        504:
          description: |
            Error communicating with a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
      
  /dcae-deployments/{deploymentId}:
    put:
      description: |
        Request deployment of a DCAE service
        
      consumes:
        - application/json
      produces:
        - application/json
        
      parameters:
        - name: deploymentId
          description: |
            Unique deployment identifier assigned by the API client.
          in: path
          type: string
          required: true
    
        - name: body
          in: body
          schema:
              $ref: "#/definitions/DCAEDeploymentRequest"
          required: true
  
      responses:
    
        202:
          description: |
            Success:  The content that was posted is valid, the dispatcher has
              found the needed blueprint, created an instance of the topology in the orchestrator,
              and started an installation workflow.
          schema:
            $ref: "#/definitions/DCAEDeploymentResponse"
            
        400:
          description: |
            Bad request: See the message in the response for details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        409: 
          description: |
            A service with the specified deployment Id already exists.  Using PUT to update the service is not a supported operation.
          schema:
             $ref: "#/definitions/DCAEErrorResponse"
            
        415:
          description: |
            Bad request: The Content-Type header does not indicate that the content is
            'application/json'
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        500:
          description: |
            Problem on the server side.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
        
        502:
          description: |
            Error reported to the dispatcher by a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        504:
          description: |
            Error communicating with a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse" 
            
    delete:
      description: |
        Uninstall the DCAE service and remove all associated data from the orchestrator.
        
      parameters:
        - name: deploymentId
          description: |
            Deployment identifier for the service to be uninstalled.
          in: path
          type: string
          required: true
          
      responses:
    
        202:
          description: |
            Success:  The dispatcher has initiated the uninstall operation.
          schema:
            $ref: "#/definitions/DCAEDeploymentResponse"
            
        400:
          description: |
            Bad request: See the message in the response for details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        500:
          description: |
            Problem on the server side.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"            

        502:
          description: |
            Error reported to the dispatcher by a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        504:
          description: |
            Error communicating with a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
  /dcae-deployments/{deploymentId}/operation/{operationId}:
    get:
      description: |
        Get status of a deployment operation
      parameters:
        - name: deploymentId
          in: path
          type: string
          required: true
        - name: operationId
          in: path
          type: string
          required: true
        
      responses:

        200:
          description: Status information retrieved successfully
          schema: 
            $ref: "#/definitions/DCAEOperationStatusResponse"
        
        404: 
          description: The operation information does not exist (possibly because the service has been uninstalled and deleted).
          schema: 
            $ref: "#/definitions/DCAEErrorResponse"
        
        500:
          description: |
            Problem on the server side.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse" 
                    
        502:
          description: |
            Error reported to the dispatcher by a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"
            
        504:
          description: |
            Error communicating with a downstream system.  See the message
            in the response for more details.
          schema:
            $ref: "#/definitions/DCAEErrorResponse"


            
          
definitions:
         
  DCAEDeploymentRequest:
    description: |
      Request for deploying a DCAE service.
    type:
      object
    required: [serviceTypeId]
    
    properties:
    
      serviceTypeId:
        description: |
          The service type identifier (a unique ID assigned by DCAE inventory) for the service to be deployed.
        type: string
        
      inputs:
        description: |
          Object containing inputs needed by the service blueprint to create an instance of the service.
          Content of the object depends on the service being deployed.
        type: object
 
  DCAEDeploymentResponse:
    description: |
      Response body for a PUT or DELETE to /dcae-deployments/{deploymentId}
    type: object
    
    required: [requestId, links]
    
    properties:
      requestId: 
        type: string
        description: |
          Unique identifier for the request
      links:
        description: |
          Links that the API client can access.
        type: object
        properties:
          self:
            type: string
            description: |
              Link used to retrieve information about the service being deployed
          status:
            type: string
            description:
              Link used to retrieve information about the status of the installation workflow
  
  DCAEOperationStatusResponse:
    description: |
      Response body for a request for status of an installation or uninstallation operation.
    type: object
    
    required: [requestId, operationType, status]
    
    properties:
      requestId:
        type: string
        description: |
          A unique identifier assigned to the request.  Useful for tracing a request through logs.  
      operationType:
        description: |
          Type of operation being reported on. ("install" or "uninstall")
        type: string
      status:
        description: |
          Status of the installation or uninstallation operation.  Possible values are "processing",
          "succeeded", and "failed"
        type: string
      error:
        description: |
          If status is "failed", this field will be present and contain additional information about the reason the operation failed.
        type: string
      links: 
        description: |
         If the operation succeeded, links that the client can follow to take further action.  Note that a successful "uninstall" operation removes the DCAE service instance completely, so there are no possible further actions, and no links.
        type: object
        properties:
          self:
            type: string
            description: |
              Link used to retrieve information about the service.  
          uninstall:
            type: string
            description:
              Link used to trigger an "uninstall" operation for the service.  (Use the DELETE method.)        
        
  DCAEErrorResponse:
    description: |
      Object reporting an error.
    type:
      object
    required: [status]
    
    properties:
      status:
        description: HTTP status code for the response
        type: integer
        
      message:
        description: Human-readable description of the reason for the error
        type: string

  DCAEDeploymentsListResponse: 
    description: |
      Object providing a list of deployments
    type: object
    required: [requestId, deployments]
    
    properties:
      requestId:
        type: string
        description: |
          Unique identifier for the request
      deployments:
        type: array
        items:
          type: object
          properties:
            href: 
              type: string
              description: |
                  URL for the service deployment