openapi: 3.2.0
info:
  title: Oxide Region System/subnet Pools 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: system/subnet-pools
  description: Subnet pools are collections of external subnets. Linking a pool to a silo makes it available for allocation by users in that silo.
  externalDocs:
    url: http://docs.oxide.computer/api/system-subnet-pools
paths:
  /v1/system/subnet-pools:
    get:
      tags:
      - system/subnet-pools
      summary: List subnet pools
      operationId: system_subnet_pool_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: sort_by
        schema:
          $ref: '#/components/schemas/NameOrIdSortMode'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolResultsPage'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
      x-dropshot-pagination:
        required: []
    post:
      tags:
      - system/subnet-pools
      summary: Create subnet pool
      operationId: system_subnet_pool_create
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolCreate'
        required: true
      responses:
        '201':
          description: successful creation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPool'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}:
    get:
      tags:
      - system/subnet-pools
      summary: Fetch subnet pool
      operationId: system_subnet_pool_view
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPool'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    put:
      tags:
      - system/subnet-pools
      summary: Update subnet pool
      operationId: system_subnet_pool_update
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolUpdate'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPool'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    delete:
      tags:
      - system/subnet-pools
      summary: Delete subnet pool
      operationId: system_subnet_pool_delete
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '204':
          description: successful deletion
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}/members:
    get:
      tags:
      - system/subnet-pools
      summary: List members in subnet pool
      operationId: system_subnet_pool_member_list
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - 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'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolMemberResultsPage'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
      x-dropshot-pagination:
        required: []
  /v1/system/subnet-pools/{pool}/members/add:
    post:
      tags:
      - system/subnet-pools
      summary: Add member to subnet pool
      operationId: system_subnet_pool_member_add
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolMemberAdd'
        required: true
      responses:
        '201':
          description: successful creation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolMember'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}/members/remove:
    post:
      tags:
      - system/subnet-pools
      summary: Remove member from subnet pool
      operationId: system_subnet_pool_member_remove
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolMemberRemove'
        required: true
      responses:
        '204':
          description: resource updated
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}/silos:
    get:
      tags:
      - system/subnet-pools
      summary: List silos linked to subnet pool
      operationId: system_subnet_pool_silo_list
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - 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: sort_by
        schema:
          $ref: '#/components/schemas/IdSortMode'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolSiloLinkResultsPage'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
      x-dropshot-pagination:
        required: []
    post:
      tags:
      - system/subnet-pools
      summary: Link subnet pool to silo
      operationId: system_subnet_pool_silo_link
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolLinkSilo'
        required: true
      responses:
        '201':
          description: successful creation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolSiloLink'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}/silos/{silo}:
    put:
      tags:
      - system/subnet-pools
      summary: Update subnet pool's link to silo
      operationId: system_subnet_pool_silo_update
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: silo
        description: Name or ID of the silo
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SubnetPoolSiloUpdate'
        required: true
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolSiloLink'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
    delete:
      tags:
      - system/subnet-pools
      summary: Unlink subnet pool from silo
      operationId: system_subnet_pool_silo_unlink
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      - in: path
        name: silo
        description: Name or ID of the silo
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '204':
          description: resource updated
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
  /v1/system/subnet-pools/{pool}/utilization:
    get:
      tags:
      - system/subnet-pools
      summary: Fetch subnet pool utilization
      operationId: system_subnet_pool_utilization_view
      parameters:
      - in: path
        name: pool
        description: Name or ID of the subnet pool
        required: true
        schema:
          $ref: '#/components/schemas/NameOrId'
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubnetPoolUtilization'
        4XX:
          $ref: '#/components/responses/Error'
        5XX:
          $ref: '#/components/responses/Error'
components:
  schemas:
    SubnetPoolResultsPage:
      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/SubnetPool'
        next_page:
          description: token used to fetch the next page of results (if any)
          type:
          - string
          - 'null'
      required:
      - items
    SubnetPoolMemberRemove:
      description: Remove a subnet from a pool
      type: object
      properties:
        subnet:
          description: The subnet to remove from the pool. Must match an existing entry exactly.
          allOf:
          - $ref: '#/components/schemas/IpNet'
      required:
      - subnet
    SubnetPoolCreate:
      description: Create a subnet pool
      type: object
      properties:
        description:
          type: string
        ip_version:
          description: The IP version for this pool (IPv4 or IPv6). All subnets in the pool must match this version.
          allOf:
          - $ref: '#/components/schemas/IpVersion'
        name:
          $ref: '#/components/schemas/Name'
      required:
      - description
      - ip_version
      - name
    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
    SubnetPoolUtilization:
      description: 'Utilization of addresses in a subnet pool.


        Note that both the count of remaining addresses and the total capacity are integers, reported as floating point numbers. This accommodates allocations larger than a 64-bit integer, which is common with IPv6 address spaces. With very large subnet pools (> 2**53 addresses), integer precision will be lost, in exchange for representing the entire range. In such a case the pool still has many available addresses.'
      type: object
      properties:
        capacity:
          description: The total number of addresses in the pool.
          type: number
          format: double
        remaining:
          description: The number of remaining addresses in the pool.
          type: number
          format: double
      required:
      - capacity
      - remaining
    IdSortMode:
      description: 'Supported set of sort modes for scanning by id only.


        Currently, we only support scanning in ascending order.'
      oneOf:
      - description: Sort in increasing order of "id"
        type: string
        enum:
        - id_ascending
    SubnetPoolSiloUpdate:
      description: Update a subnet pool's silo link
      type: object
      properties:
        is_default:
          description: Whether this is the default subnet pool for the silo
          type: boolean
      required:
      - is_default
    SubnetPoolSiloLink:
      description: A link between a subnet pool and a silo
      type: object
      properties:
        is_default:
          type: boolean
        silo_id:
          type: string
          format: uuid
        subnet_pool_id:
          type: string
          format: uuid
      required:
      - is_default
      - silo_id
      - subnet_pool_id
    SubnetPoolMemberResultsPage:
      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/SubnetPoolMember'
        next_page:
          description: token used to fetch the next page of results (if any)
          type:
          - string
          - 'null'
      required:
      - items
    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
    SubnetPool:
      description: A pool of subnets for external subnet allocation
      type: object
      properties:
        description:
          description: Human-readable free-form text about a resource
          type: string
        id:
          description: Unique, immutable, system-controlled identifier for each resource
          type: string
          format: uuid
        ip_version:
          description: The IP version for this pool
          allOf:
          - $ref: '#/components/schemas/IpVersion'
        name:
          description: Unique, mutable, user-controlled identifier for each resource
          allOf:
          - $ref: '#/components/schemas/Name'
        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
      - id
      - ip_version
      - name
      - time_created
      - time_modified
    SubnetPoolLinkSilo:
      description: Link a subnet pool to a silo
      type: object
      properties:
        is_default:
          description: Whether this is the default subnet pool for the silo. When true, external subnet allocations that don't specify a pool use this one.
          type: boolean
        silo:
          description: The silo to link
          allOf:
          - $ref: '#/components/schemas/NameOrId'
      required:
      - is_default
      - silo
    NameOrId:
      oneOf:
      - title: id
        allOf:
        - type: string
          format: uuid
      - title: name
        allOf:
        - $ref: '#/components/schemas/Name'
    IpVersion:
      description: The IP address version.
      type: string
      enum:
      - v4
      - v6
    Ipv6Net:
      example: fd12:3456::/64
      title: An IPv6 subnet
      description: An IPv6 subnet, including prefix and subnet mask
      x-rust-type:
        crate: oxnet
        path: oxnet::Ipv6Net
        version: 0.1.0
      type: string
      pattern: ^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))\/([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8])$
    Ipv4Net:
      example: 192.168.1.0/24
      title: An IPv4 subnet
      description: An IPv4 subnet, including prefix and prefix length
      x-rust-type:
        crate: oxnet
        path: oxnet::Ipv4Net
        version: 0.1.0
      type: string
      pattern: ^(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])/([0-9]|1[0-9]|2[0-9]|3[0-2])$
    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
    IpNet:
      x-rust-type:
        crate: oxnet
        path: oxnet::IpNet
        version: 0.1.0
      oneOf:
      - title: v4
        allOf:
        - $ref: '#/components/schemas/Ipv4Net'
      - title: v6
        allOf:
        - $ref: '#/components/schemas/Ipv6Net'
    SubnetPoolSiloLinkResultsPage:
      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/SubnetPoolSiloLink'
        next_page:
          description: token used to fetch the next page of results (if any)
          type:
          - string
          - 'null'
      required:
      - items
    SubnetPoolMemberAdd:
      description: Add a member (subnet) to a subnet pool
      type: object
      properties:
        max_prefix_length:
          description: 'Maximum prefix length for allocations from this subnet; a larger prefix means smaller allocations are allowed (e.g. a /24 prefix yields smaller subnet allocations than a /16 prefix).


            Valid values: 0-32 for IPv4, 0-128 for IPv6. Default if not specified is 32 for IPv4 and 128 for IPv6.'
          type:
          - integer
          - 'null'
          format: uint8
          minimum: 0
        min_prefix_length:
          description: 'Minimum prefix length for allocations from this subnet; a smaller prefix means larger allocations are allowed (e.g. a /16 prefix yields larger subnet allocations than a /24 prefix).


            Valid values: 0-32 for IPv4, 0-128 for IPv6. Default if not specified is equal to the subnet''s prefix length.'
          type:
          - integer
          - 'null'
          format: uint8
          minimum: 0
        subnet:
          description: The subnet to add to the pool
          allOf:
          - $ref: '#/components/schemas/IpNet'
      required:
      - subnet
    SubnetPoolMember:
      description: A member (subnet) within a subnet pool
      type: object
      properties:
        id:
          description: ID of the pool member
          type: string
          format: uuid
        max_prefix_length:
          description: Maximum prefix length for allocations from this subnet; a larger prefix means smaller allocations are allowed (e.g. a /24 prefix yields smaller subnet allocations than a /16 prefix).
          type: integer
          format: uint8
          minimum: 0
        min_prefix_length:
          description: Minimum prefix length for allocations from this subnet; a smaller prefix means larger allocations are allowed (e.g. a /16 prefix yields larger subnet allocations than a /24 prefix).
          type: integer
          format: uint8
          minimum: 0
        subnet:
          description: The subnet CIDR
          allOf:
          - $ref: '#/components/schemas/IpNet'
        subnet_pool_id:
          description: ID of the parent subnet pool
          type: string
          format: uuid
        time_created:
          description: Time the pool member was created.
          type: string
          format: date-time
      required:
      - id
      - max_prefix_length
      - min_prefix_length
      - subnet
      - subnet_pool_id
      - time_created
    SubnetPoolUpdate:
      description: Update a subnet pool
      type: object
      properties:
        description:
          type:
          - string
          - 'null'
        name:
          allOf:
          - $ref: '#/components/schemas/Name'
  responses:
    Error:
      description: Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'