openapi: 3.1.0
info:
  title: Kuma Dataplane HostnameGenerator API
  description: Kuma API
  version: v1alpha1
  x-ref-schema-name: DataplaneOverview
security:
- BasicAuth: []
- BearerAuth: []
- {}
tags:
- name: HostnameGenerator
paths:
  /hostnamegenerators/{name}:
    get:
      operationId: getHostnameGenerator
      summary: Returns HostnameGenerator entity
      tags:
      - HostnameGenerator
      parameters:
      - in: path
        name: name
        schema:
          type: string
        required: true
        description: name of the HostnameGenerator
      responses:
        '200':
          $ref: '#/components/responses/HostnameGeneratorItem'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: putHostnameGenerator
      summary: Creates or Updates HostnameGenerator entity
      tags:
      - HostnameGenerator
      parameters:
      - in: path
        name: name
        schema:
          type: string
        required: true
        description: name of the HostnameGenerator
      requestBody:
        description: Put request
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/HostnameGeneratorItem'
      responses:
        '200':
          $ref: '#/components/responses/HostnameGeneratorCreateOrUpdateSuccessResponse'
        '201':
          $ref: '#/components/responses/HostnameGeneratorCreateOrUpdateSuccessResponse'
    delete:
      operationId: deleteHostnameGenerator
      summary: Deletes HostnameGenerator entity
      tags:
      - HostnameGenerator
      parameters:
      - in: path
        name: name
        schema:
          type: string
        required: true
        description: name of the HostnameGenerator
      responses:
        '200':
          $ref: '#/components/responses/HostnameGeneratorDeleteSuccessResponse'
        '404':
          $ref: '#/components/responses/NotFound'
  /hostnamegenerators:
    get:
      operationId: getHostnameGeneratorList
      summary: Returns a list of HostnameGenerator in the mesh.
      tags:
      - HostnameGenerator
      parameters:
      - in: query
        name: offset
        description: offset in the list of entities
        required: false
        schema:
          type: integer
        example: 0
      - in: query
        name: size
        description: the number of items per page
        required: false
        schema:
          type: integer
          default: 100
          maximum: 1000
          minimum: 1
      - in: query
        name: filter
        description: filter by labels when multiple filters are present, they are ANDed
        required: false
        schema:
          type: object
          properties:
            key:
              type: string
            value:
              type: string
        example:
          label.k8s.kuma.io/namespace: my-ns
      responses:
        '200':
          $ref: '#/components/responses/HostnameGeneratorList'
components:
  responses:
    NotFound:
      description: Not Found
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/NotFoundError'
    HostnameGeneratorCreateOrUpdateSuccessResponse:
      description: Successful response
      content:
        application/json:
          schema:
            type: object
            properties:
              warnings:
                type: array
                readOnly: true
                description: 'warnings is a list of warning messages to return to the requesting Kuma API clients.

                  Warning messages describe a problem the client making the API request should correct or be aware of.

                  '
                items:
                  type: string
    HostnameGeneratorList:
      description: List
      content:
        application/json:
          schema:
            type: object
            properties:
              items:
                type: array
                items:
                  $ref: '#/components/schemas/HostnameGeneratorItem'
              total:
                type: number
                description: The total number of entities
              next:
                type: string
                description: URL to the next page
    HostnameGeneratorDeleteSuccessResponse:
      description: Successful response
      content:
        application/json:
          schema:
            type: object
    HostnameGeneratorItem:
      description: Successful response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/HostnameGeneratorItem'
  schemas:
    NotFoundError:
      allOf:
      - $ref: '#/components/schemas/Error'
      - type: object
        properties:
          status:
            type: integer
            enum:
            - 404
            example: 404
            description: 'The HTTP status code for NotFoundError MUST be 404.

              '
          title:
            type: string
            example: Not Found
          type:
            type: string
            example: https://httpstatuses.com/404
          detail:
            type: string
            example: The requested resource was not found
    InvalidParameters:
      type: object
      title: Invalid Parameters
      required:
      - field
      - reason
      - source
      properties:
        field:
          type: string
          description: The name of the field that caused the error.
        reason:
          type: string
          description: 'A short, human-readable description of the problem.

            _Should_ be provided as "Sentence case" for direct use in a UI.

            '
        rule:
          type: string
          description: 'May be provided as a hint to the user to help understand the type of failure.

            Additional guidance may be provided in additional fields, i.e. `choices`.

            '
        choices:
          type: array
          description: 'Optional field to provide a list of valid choices for the field that caused the error.

            '
          items:
            type: string
        source:
          type: string
          description: 'The location of the field that caused the error.

            '
          enum:
          - body
          - query
          - header
          - path
    HostnameGeneratorItem:
      type: object
      description: HostnameGenerator automatically generates DNS hostnames for services in the mesh based on customizable templates. It provides a consistent naming scheme for service discovery by creating predictable hostnames from service labels and metadata, supporting both MeshService, MeshExternalService, and MeshMultiZoneService resources.
      required:
      - type
      - name
      - spec
      properties:
        type:
          description: the type of the resource
          type: string
          enum:
          - HostnameGenerator
        kri:
          description: A unique identifier for this resource instance used by internal tooling and integrations. Typically derived from resource attributes and may be used for cross-references or indexing
          type: string
          readOnly: true
          example: kri_hg___kuma-system_myresource1_
        name:
          description: Name of the Kuma resource
          type: string
        labels:
          additionalProperties:
            type: string
          description: The labels to help identity resources
          type: object
        spec:
          description: Spec is the specification of the Kuma HostnameGenerator resource.
          properties:
            extension:
              description: Extension struct for a plugin configuration
              properties:
                config:
                  description: Config freeform configuration for the extension.
                  x-kubernetes-preserve-unknown-fields: true
                type:
                  description: Type of the extension.
                  type: string
              required:
              - type
              type: object
            selector:
              properties:
                meshExternalService:
                  properties:
                    matchLabels:
                      additionalProperties:
                        type: string
                      type: object
                  type: object
                meshMultiZoneService:
                  properties:
                    matchLabels:
                      additionalProperties:
                        type: string
                      type: object
                  type: object
                meshService:
                  properties:
                    matchLabels:
                      additionalProperties:
                        type: string
                      type: object
                  type: object
              type: object
            template:
              type: string
          required:
          - template
          type: object
        creationTime:
          readOnly: true
          type: string
          description: Time at which the resource was created
          format: date-time
          example: '0001-01-01T00:00:00Z'
        modificationTime:
          readOnly: true
          type: string
          description: Time at which the resource was updated
          format: date-time
          example: '0001-01-01T00:00:00Z'
    Error:
      type: object
      title: Error
      description: 'Standard error. Follows the [AIP #193 - Errors](https://kong-aip.netlify.app/aip/193/) specification.

        '
      x-examples:
        Example 1:
          status: 404
          title: Not Found
          type: https://kongapi.info/konnect/not-found
          instance: portal:trace:2287285207635123011
          detail: The requested document was not found
      required:
      - status
      - title
      - instance
      - type
      - detail
      properties:
        status:
          type: integer
          description: The HTTP status code.
          example: 404
        title:
          type: string
          description: 'A short, human-readable summary of the problem.

            It **should not** change between occurrences of a problem, except for localization.

            Should be provided as "Sentence case" for potential direct use in a UI

            '
          example: Not Found
        type:
          type: string
          description: 'A unique identifier for this error. When dereferenced it must provide human-readable documentation for the problem.

            '
          example: Not Found
        instance:
          type: string
          example: portal:trace:2287285207635123011
          description: 'Used to return the correlation ID back to the user, in the format `<app>:trace:<correlation_id>`.

            '
        detail:
          type: string
          example: The requested team was not found
          description: 'A human readable explanation specific to this occurrence of the problem.

            This field may contain request/entity data to help the user understand what went wrong.

            Enclose variable values in square brackets.

            _Should_ be provided as "Sentence case" for direct use in a UI

            '
        invalid_parameters:
          type: array
          description: 'All 400 errors **MUST** return an `invalid_parameters` key in the response.

            Used to indicate which fields have invalid values when validated.

            '
          items:
            $ref: '#/components/schemas/InvalidParameters'
  securitySchemes:
    BasicAuth:
      type: http
      scheme: basic
    BearerAuth:
      type: http
      scheme: bearer