openapi: 3.1.0
info:
  title: Service Fabric Cluster Management API
  description: >-
    The Service Fabric REST API enables cluster management, application lifecycle,
    service management, and health monitoring for Azure Service Fabric clusters.
    The API is served by the HTTP gateway running on each cluster node.
  version: "9.1"
  contact:
    name: Azure Service Fabric Documentation
    url: https://docs.microsoft.com/en-us/azure/service-fabric/
  license:
    name: MIT
    url: https://github.com/microsoft/service-fabric/blob/master/LICENSE
servers:
  - url: http://{cluster_endpoint}:19080
    description: Service Fabric HTTP Gateway
    variables:
      cluster_endpoint:
        description: Service Fabric cluster endpoint (FQDN or IP)
        default: localhost

tags:
  - name: Cluster
    description: Cluster-level operations and configuration
  - name: Nodes
    description: Cluster node management
  - name: Applications
    description: Application deployment and lifecycle
  - name: Services
    description: Service management within applications
  - name: Partitions
    description: Partition and replica management
  - name: Health
    description: Health state queries and reporting

paths:
  /$/GetClusterHealth:
    get:
      operationId: getClusterHealth
      summary: Get Cluster Health
      description: Returns the health state of the Service Fabric cluster including nodes, applications, and system services.
      tags:
        - Health
        - Cluster
      parameters:
        - name: api-version
          in: query
          required: true
          schema:
            type: string
            default: "9.1"
          description: Service Fabric API version
        - name: NodesHealthStateFilter
          in: query
          schema:
            type: integer
            default: 0
          description: "Health state filter for nodes (0=Default, 1=Ok, 2=Warning, 4=Error, 65535=All)"
        - name: ApplicationsHealthStateFilter
          in: query
          schema:
            type: integer
            default: 0
          description: "Health state filter for applications"
      responses:
        '200':
          description: Cluster health state
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClusterHealth'
        '400':
          description: Invalid parameters
        '500':
          description: Internal cluster error

  /Nodes:
    get:
      operationId: getNodeInfoList
      summary: Get Node Info List
      description: Returns the list of nodes in the Service Fabric cluster.
      tags:
        - Nodes
      parameters:
        - name: api-version
          in: query
          required: true
          schema:
            type: string
            default: "9.1"
        - name: ContinuationToken
          in: query
          schema:
            type: string
          description: Continuation token for pagination
        - name: NodeStatusFilter
          in: query
          schema:
            type: string
            enum: [default, all, up, down, enabling, disabling, disabled, unknown, removed]
          description: Filter nodes by node status
        - name: MaxResults
          in: query
          schema:
            type: integer
          description: Maximum results to return
      responses:
        '200':
          description: List of cluster nodes
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PagedNodeInfoList'
        '400':
          description: Invalid parameters

  /Nodes/{nodeName}:
    get:
      operationId: getNodeInfo
      summary: Get Node Info
      description: Returns information about a specific node in the Service Fabric cluster.
      tags:
        - Nodes
      parameters:
        - $ref: '#/components/parameters/NodeName'
        - $ref: '#/components/parameters/ApiVersion'
      responses:
        '200':
          description: Node information
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NodeInfo'
        '404':
          description: Node not found

  /Applications:
    get:
      operationId: getApplicationInfoList
      summary: Get Application Info List
      description: Returns the list of applications created in the Service Fabric cluster.
      tags:
        - Applications
      parameters:
        - $ref: '#/components/parameters/ApiVersion'
        - name: ApplicationTypeName
          in: query
          schema:
            type: string
          description: Filter by application type name
        - name: ContinuationToken
          in: query
          schema:
            type: string
        - name: MaxResults
          in: query
          schema:
            type: integer
      responses:
        '200':
          description: List of applications
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PagedApplicationInfoList'

  /Applications/{applicationId}:
    get:
      operationId: getApplicationInfo
      summary: Get Application Info
      description: Returns information about a specific Service Fabric application.
      tags:
        - Applications
      parameters:
        - $ref: '#/components/parameters/ApplicationId'
        - $ref: '#/components/parameters/ApiVersion'
      responses:
        '200':
          description: Application information
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApplicationInfo'
        '404':
          description: Application not found

  /Applications/$/Create:
    post:
      operationId: createApplication
      summary: Create Application
      description: Creates a Service Fabric application using the specified application description.
      tags:
        - Applications
      parameters:
        - $ref: '#/components/parameters/ApiVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ApplicationDescription'
      responses:
        '201':
          description: Application created
        '400':
          description: Invalid application description
        '409':
          description: Application already exists

  /Applications/{applicationId}/$/Delete:
    post:
      operationId: deleteApplication
      summary: Delete Application
      description: Deletes an existing Service Fabric application. An application must be created before it can be deleted.
      tags:
        - Applications
      parameters:
        - $ref: '#/components/parameters/ApplicationId'
        - $ref: '#/components/parameters/ApiVersion'
        - name: ForceRemove
          in: query
          schema:
            type: boolean
          description: Force remove the application without graceful shutdown
      responses:
        '200':
          description: Application deletion initiated
        '404':
          description: Application not found

  /Applications/{applicationId}/$/GetHealth:
    get:
      operationId: getApplicationHealth
      summary: Get Application Health
      description: Returns the health of the specified Service Fabric application.
      tags:
        - Health
        - Applications
      parameters:
        - $ref: '#/components/parameters/ApplicationId'
        - $ref: '#/components/parameters/ApiVersion'
        - name: ServicesHealthStateFilter
          in: query
          schema:
            type: integer
            default: 0
      responses:
        '200':
          description: Application health state
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApplicationHealth'
        '404':
          description: Application not found

  /Applications/{applicationId}/$/GetServices:
    get:
      operationId: getServiceInfoList
      summary: Get Service Info List
      description: Returns services in the specified Service Fabric application.
      tags:
        - Services
      parameters:
        - $ref: '#/components/parameters/ApplicationId'
        - $ref: '#/components/parameters/ApiVersion'
        - name: ServiceTypeName
          in: query
          schema:
            type: string
          description: Filter by service type name
        - name: ContinuationToken
          in: query
          schema:
            type: string
      responses:
        '200':
          description: List of services
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PagedServiceInfoList'
        '404':
          description: Application not found

components:
  parameters:
    ApiVersion:
      name: api-version
      in: query
      required: true
      schema:
        type: string
        default: "9.1"
      description: Service Fabric API version
    NodeName:
      name: nodeName
      in: path
      required: true
      schema:
        type: string
      description: Service Fabric node name
    ApplicationId:
      name: applicationId
      in: path
      required: true
      schema:
        type: string
      description: Application ID (e.g., fabric:/MyApp)

  schemas:
    ClusterHealth:
      type: object
      properties:
        AggregatedHealthState:
          $ref: '#/components/schemas/HealthState'
        NodeHealthStates:
          type: array
          items:
            $ref: '#/components/schemas/NodeHealthState'
        ApplicationHealthStates:
          type: array
          items:
            $ref: '#/components/schemas/ApplicationHealthState'
        HealthEvents:
          type: array
          items:
            $ref: '#/components/schemas/HealthEvent'

    HealthState:
      type: string
      enum: [Invalid, Ok, Warning, Error, Unknown]
      description: Service Fabric health state

    NodeHealthState:
      type: object
      properties:
        Name:
          type: string
          description: Node name
        AggregatedHealthState:
          $ref: '#/components/schemas/HealthState'

    ApplicationHealthState:
      type: object
      properties:
        Name:
          type: string
          description: Application URI (e.g., fabric:/MyApp)
        AggregatedHealthState:
          $ref: '#/components/schemas/HealthState'

    HealthEvent:
      type: object
      properties:
        SourceId:
          type: string
          description: Source reporting the health event
        Property:
          type: string
          description: Property being reported on
        HealthState:
          $ref: '#/components/schemas/HealthState'
        Description:
          type: string
        TimeToLiveInMilliSeconds:
          type: string
          description: Duration in ISO 8601 format
        SequenceNumber:
          type: string
        IsExpired:
          type: boolean
        SourceUtcTimestamp:
          type: string
          format: date-time
        LastModifiedUtcTimestamp:
          type: string
          format: date-time

    NodeInfo:
      type: object
      properties:
        Name:
          type: string
          description: Node name
        IpAddressOrFQDN:
          type: string
          description: IP address or FQDN of the node
        Type:
          type: string
          description: Node type name
        NodeStatus:
          type: string
          enum: [Invalid, Up, Down, Enabling, Disabling, Disabled, Unknown, Removed]
        HealthState:
          $ref: '#/components/schemas/HealthState'
        IsSeedNode:
          type: boolean
          description: Whether this is a seed node
        UpgradeProgressDetails:
          type: object
        NodeUpTimeInSeconds:
          type: string
        StartedTimestamp:
          type: string
          format: date-time

    PagedNodeInfoList:
      type: object
      properties:
        ContinuationToken:
          type: string
          nullable: true
          description: Token for fetching the next page of results
        Items:
          type: array
          items:
            $ref: '#/components/schemas/NodeInfo'

    ApplicationInfo:
      type: object
      properties:
        Id:
          type: string
          description: Application ID
        Name:
          type: string
          description: Application URI (e.g., fabric:/MyApp)
        TypeName:
          type: string
          description: Application type name
        TypeVersion:
          type: string
          description: Application type version
        Status:
          type: string
          enum: [Invalid, Ready, Upgrading, Creating, Deleting, Failed]
        HealthState:
          $ref: '#/components/schemas/HealthState'

    PagedApplicationInfoList:
      type: object
      properties:
        ContinuationToken:
          type: string
          nullable: true
        Items:
          type: array
          items:
            $ref: '#/components/schemas/ApplicationInfo'

    ApplicationDescription:
      type: object
      required:
        - Name
        - TypeName
        - TypeVersion
      properties:
        Name:
          type: string
          description: Application URI (e.g., fabric:/MyApp)
        TypeName:
          type: string
          description: Registered application type name
        TypeVersion:
          type: string
          description: Application type version
        ParameterList:
          type: array
          items:
            type: object
            properties:
              Key:
                type: string
              Value:
                type: string
          description: Override parameters for the application manifest

    ApplicationHealth:
      type: object
      properties:
        Name:
          type: string
        AggregatedHealthState:
          $ref: '#/components/schemas/HealthState'
        ServiceHealthStates:
          type: array
          items:
            type: object
            properties:
              ServiceName:
                type: string
              AggregatedHealthState:
                $ref: '#/components/schemas/HealthState'
        HealthEvents:
          type: array
          items:
            $ref: '#/components/schemas/HealthEvent'

    ServiceInfo:
      type: object
      properties:
        Id:
          type: string
        ServiceKind:
          type: string
          enum: [Invalid, Stateless, Stateful]
        Name:
          type: string
        TypeName:
          type: string
        ManifestVersion:
          type: string
        HealthState:
          $ref: '#/components/schemas/HealthState'
        ServiceStatus:
          type: string
          enum: [Unknown, Active, Upgrading, Deleting, Creating, Failed]
        IsServiceGroup:
          type: boolean

    PagedServiceInfoList:
      type: object
      properties:
        ContinuationToken:
          type: string
          nullable: true
        Items:
          type: array
          items:
            $ref: '#/components/schemas/ServiceInfo'