openapi: 3.2.0
info:
  title: Oxide Region Affinity API
  description: API for interacting with the Oxide control plane
  contact:
    url: https://oxide.computer
    email: api@oxide.computer
  version: 2026081901.0.0
tags:
- name: affinity
  description: Anti-affinity groups give control over instance placement.
  externalDocs:
    url: http://docs.oxide.computer/api/affinity
paths:
  /v1/anti-affinity-groups:
    get:
      tags:
      - affinity
      summary: List anti-affinity groups
      operationId: anti_affinity_group_list
      parameters:
      - in: query
        name: limit
        description: Maximum number of items returned by a single call
        schema:
          type:
          - integer
          - 'null'
          format: uint32
          minimum: 1
      - in: query
        name: page_token
        description: Token returned by previous call to retrieve the subsequent page
        schema:
          type:
          - string
          - 'null'
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: query
        name: sort_by
        schema:
          $ref: '#/components/schemas/NameOrIdSortMode'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroupResultsPage'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
      x-dropshot-pagination:
        required:
        - project
    post:
      tags:
      - affinity
      summary: Create anti-affinity group
      operationId: anti_affinity_group_create
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AntiAffinityGroupCreate'
        required: true
      responses:
        '201':
          description: successful creation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroup'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/anti-affinity-groups/{anti_affinity_group}:
    get:
      tags:
      - affinity
      summary: Fetch anti-affinity group
      operationId: anti_affinity_group_view
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        description: Name or ID of the anti affinity group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroup'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    put:
      tags:
      - affinity
      summary: Update anti-affinity group
      operationId: anti_affinity_group_update
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        description: Name or ID of the anti affinity group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AntiAffinityGroupUpdate'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroup'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    delete:
      tags:
      - affinity
      summary: Delete anti-affinity group
      operationId: anti_affinity_group_delete
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        description: Name or ID of the anti affinity group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '204':
          description: successful deletion
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/anti-affinity-groups/{anti_affinity_group}/members:
    get:
      tags:
      - affinity
      summary: List anti-affinity group members
      operationId: anti_affinity_group_member_list
      parameters:
      - in: query
        name: limit
        description: Maximum number of items returned by a single call
        schema:
          type:
          - integer
          - 'null'
          format: uint32
          minimum: 1
      - in: query
        name: page_token
        description: Token returned by previous call to retrieve the subsequent page
        schema:
          type:
          - string
          - 'null'
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: query
        name: sort_by
        schema:
          $ref: '#/components/schemas/NameOrIdSortMode'
      - in: path
        name: anti_affinity_group
        description: Name or ID of the anti affinity group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroupMemberResultsPage'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
      x-dropshot-pagination:
        required: []
  /v1/anti-affinity-groups/{anti_affinity_group}/members/instance/{instance}:
    get:
      tags:
      - affinity
      summary: Fetch anti-affinity group member
      operationId: anti_affinity_group_member_instance_view
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: instance
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroupMember'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    post:
      tags:
      - affinity
      summary: Add member to anti-affinity group
      operationId: anti_affinity_group_member_instance_add
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: instance
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '201':
          description: successful creation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AntiAffinityGroupMember'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    delete:
      tags:
      - affinity
      summary: Remove member from anti-affinity group
      operationId: anti_affinity_group_member_instance_delete
      parameters:
      - in: query
        name: project
        description: Name or ID of the project
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: anti_affinity_group
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: instance
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '204':
          description: successful deletion
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
components:
  schemas:
    AffinityPolicy:
      description: 'Affinity policy used to describe "what to do when a request cannot be satisfied"


        Used for both Affinity and Anti-Affinity Groups'
      oneOf:
      - description: 'If the affinity request cannot be satisfied, allow it anyway.


          This enables a "best-effort" attempt to satisfy the affinity policy.'
        type: string
        enum:
        - allow
      - description: If the affinity request cannot be satisfied, fail explicitly.
        type: string
        enum:
        - fail
    AntiAffinityGroupUpdate:
      description: Updateable properties of an `AntiAffinityGroup`
      type: object
      properties:
        description:
          type:
          - string
          - 'null'
        name:
          allOf:
          - $ref: '#/components/schemas/Name'
    InstanceState:
      description: 'Running state of an Instance (primarily: booted or stopped)


        This typically reflects whether it''s starting, running, stopping, or stopped, but also includes states related to the Instance''s lifecycle'
      oneOf:
      - description: The instance is being created.
        type: string
        enum:
        - creating
      - description: The instance is currently starting up.
        type: string
        enum:
        - starting
      - description: The instance is currently running.
        type: string
        enum:
        - running
      - description: The instance has been requested to stop and a transition to "Stopped" is imminent.
        type: string
        enum:
        - stopping
      - description: The instance is currently stopped.
        type: string
        enum:
        - stopped
      - description: The instance is in the process of rebooting - it will remain in the "rebooting" state until the VM is starting once more.
        type: string
        enum:
        - rebooting
      - description: The instance is in the process of migrating - it will remain in the "migrating" state until the migration process is complete and the destination propolis is ready to continue execution.
        type: string
        enum:
        - migrating
      - description: The instance is attempting to recover from a failure.
        type: string
        enum:
        - repairing
      - description: The instance has encountered a failure.
        type: string
        enum:
        - failed
      - description: The instance has been deleted.
        type: string
        enum:
        - destroyed
    NameOrId:
      oneOf:
      - title: id
        allOf:
        - type: string
          format: uuid
      - title: name
        allOf:
        - $ref: '#/components/schemas/Name'
    FailureDomain:
      description: Describes the scope of affinity for the purposes of co-location.
      oneOf:
      - description: Instances are considered co-located if they are on the same sled
        type: string
        enum:
        - sled
    Name:
      title: A name unique within the parent collection
      description: Names must begin with a lower case ASCII letter, be composed exclusively of lowercase ASCII, uppercase ASCII, numbers, and '-', and may not end with a '-'. Names cannot be a UUID, but they may contain a UUID. They can be at most 63 characters long.
      type: string
      pattern: ^(?![0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$)^[a-z]([a-zA-Z0-9-]*[a-zA-Z0-9]+)?$
      minLength: 1
      maxLength: 63
    AntiAffinityGroup:
      description: View of an Anti-Affinity Group
      type: object
      properties:
        description:
          description: Human-readable free-form text about a resource
          type: string
        failure_domain:
          $ref: '#/components/schemas/FailureDomain'
        id:
          description: Unique, immutable, system-controlled identifier for each resource
          type: string
          format: uuid
        name:
          description: Unique, mutable, user-controlled identifier for each resource
          allOf:
          - $ref: '#/components/schemas/Name'
        policy:
          $ref: '#/components/schemas/AffinityPolicy'
        project_id:
          type: string
          format: uuid
        time_created:
          description: Timestamp when this resource was created
          type: string
          format: date-time
        time_modified:
          description: Timestamp when this resource was last modified
          type: string
          format: date-time
      required:
      - description
      - failure_domain
      - id
      - name
      - policy
      - project_id
      - time_created
      - time_modified
    AntiAffinityGroupResultsPage:
      description: A single page of results
      type: object
      properties:
        items:
          description: list of items on this page of results
          type: array
          items:
            $ref: '#/components/schemas/AntiAffinityGroup'
        next_page:
          description: token used to fetch the next page of results (if any)
          type:
          - string
          - 'null'
      required:
      - items
    AntiAffinityGroupCreate:
      description: Create-time parameters for an `AntiAffinityGroup`
      type: object
      properties:
        description:
          type: string
        failure_domain:
          $ref: '#/components/schemas/FailureDomain'
        name:
          $ref: '#/components/schemas/Name'
        policy:
          $ref: '#/components/schemas/AffinityPolicy'
      required:
      - description
      - failure_domain
      - name
      - policy
    AntiAffinityGroupMemberResultsPage:
      description: A single page of results
      type: object
      properties:
        items:
          description: list of items on this page of results
          type: array
          items:
            $ref: '#/components/schemas/AntiAffinityGroupMember'
        next_page:
          description: token used to fetch the next page of results (if any)
          type:
          - string
          - 'null'
      required:
      - items
    AntiAffinityGroupMember:
      description: 'A member of an Anti-Affinity Group


        Membership in a group is not exclusive - members may belong to multiple affinity / anti-affinity groups.


        Anti-Affinity Groups can contain up to 32 members.'
      oneOf:
      - description: 'An instance belonging to this group


          Instances can belong to up to 16 anti-affinity groups.'
        type: object
        properties:
          type:
            type: string
            enum:
            - instance
          value:
            type: object
            properties:
              id:
                type: string
                format: uuid
              name:
                $ref: '#/components/schemas/Name'
              run_state:
                $ref: '#/components/schemas/InstanceState'
            required:
            - id
            - name
            - run_state
        required:
        - type
        - value
    Error:
      description: Error information from a response.
      type: object
      properties:
        error_code:
          type: string
        message:
          type: string
        request_id:
          type: string
      required:
      - message
      - request_id
    NameOrIdSortMode:
      description: Supported set of sort modes for scanning by name or id
      oneOf:
      - description: Sort in increasing order of "name"
        type: string
        enum:
        - name_ascending
      - description: Sort in decreasing order of "name"
        type: string
        enum:
        - name_descending
      - description: Sort in increasing order of "id"
        type: string
        enum:
        - id_ascending
  responses:
    Error:
      description: Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'