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OpenAPI Specification

openapi: 3.2.0
info:
  title: Apache BookKeeper Admin Auto Recovery Bookies API
  description: The Apache BookKeeper HTTP Admin API provides REST endpoints for managing and monitoring BookKeeper clusters, bookies, ledgers, and auto-recovery operations. It enables programmatic cluster administration, ledger inspection, bookie health monitoring, and garbage collection management.
  version: 4.16.0
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  contact:
    name: Apache BookKeeper Community
    url: https://bookkeeper.apache.org/
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
- url: http://localhost:8080
  description: Default local BookKeeper bookie HTTP admin endpoint
tags:
- name: Bookies
  description: Bookie node management and status operations.
paths:
  /api/v1/bookie/info:
    get:
      operationId: getBookieInfo
      summary: Apache BookKeeper Get Bookie Info
      description: Retrieve disk space information for the current bookie.
      tags:
      - Bookies
      responses:
        '200':
          description: Bookie disk space information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BookieInfo'
              examples:
                GetBookieInfo200Example:
                  summary: Default getBookieInfo 200 response
                  x-microcks-default: true
                  value:
                    freeSpace: 107374182400
                    totalSpace: 214748364800
        '403':
          description: Permission denied.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /api/v1/bookie/list_bookies:
    get:
      operationId: listBookies
      summary: Apache BookKeeper List Bookies
      description: List all bookies in the cluster filtered by read-write or read-only type.
      tags:
      - Bookies
      parameters:
      - name: type
        in: query
        required: true
        description: Bookie type filter — "rw" for read-write or "ro" for read-only.
        schema:
          type: string
          enum:
          - rw
          - ro
          example: rw
      - name: print_hostnames
        in: query
        required: false
        description: If true, include hostname in the response.
        schema:
          type: boolean
          example: true
      responses:
        '200':
          description: Map of bookie socket addresses to hostnames.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BookieList'
              examples:
                ListBookies200Example:
                  summary: Default listBookies 200 response
                  x-microcks-default: true
                  value:
                    bookie1.example.com:3181: bookie1.example.com
                    bookie2.example.com:3181: bookie2.example.com
        '403':
          description: Permission denied.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /api/v1/bookie/cluster_info:
    get:
      operationId: getClusterInfo
      summary: Apache BookKeeper Get Cluster Info
      description: Retrieve cluster-wide information including bookie counts, auditor status, and replication state.
      tags:
      - Bookies
      responses:
        '200':
          description: Cluster information and bookie statistics.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClusterInfo'
              examples:
                GetClusterInfo200Example:
                  summary: Default getClusterInfo 200 response
                  x-microcks-default: true
                  value:
                    auditorElected: true
                    auditorId: bookie1.example.com:3181
                    clusterUnderReplicated: false
                    ledgerReplicationEnabled: true
                    totalBookiesCount: 3
                    writableBookiesCount: 3
                    readonlyBookiesCount: 0
                    unavailableBookiesCount: 0
        '403':
          description: Permission denied.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /api/v1/bookie/state:
    get:
      operationId: getBookieState
      summary: Apache BookKeeper Get Bookie State
      description: Retrieve the current operational state of the bookie.
      tags:
      - Bookies
      responses:
        '200':
          description: Current bookie state.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BookieState'
              examples:
                GetBookieState200Example:
                  summary: Default getBookieState 200 response
                  x-microcks-default: true
                  value:
                    running: true
                    readOnly: false
                    shuttingDown: false
                    availableForHighPriorityWrites: true
        '403':
          description: Permission denied.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /api/v1/bookie/is_ready:
    get:
      operationId: isBookieReady
      summary: Apache BookKeeper Check Bookie Readiness
      description: Check if the bookie is ready to accept read and write requests.
      tags:
      - Bookies
      responses:
        '200':
          description: Bookie is ready.
          content:
            text/plain:
              schema:
                type: string
              examples:
                IsBookieReady200Example:
                  summary: Default isBookieReady 200 response
                  x-microcks-default: true
                  value: OK
        '503':
          description: Bookie is not ready.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /api/v1/bookie/gc:
    get:
      operationId: getGcStatus
      summary: Apache BookKeeper Get Garbage Collection Status
      description: Check whether forced garbage collection is currently running.
      tags:
      - Bookies
      responses:
        '200':
          description: Garbage collection status.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GcStatus'
              examples:
                GetGcStatus200Example:
                  summary: Default getGcStatus 200 response
                  x-microcks-default: true
                  value:
                    is_in_force_gc: 'false'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    put:
      operationId: triggerGarbageCollection
      summary: Apache BookKeeper Trigger Garbage Collection
      description: Trigger a forced garbage collection cycle on the bookie.
      tags:
      - Bookies
      responses:
        '200':
          description: Garbage collection triggered successfully.
          content:
            text/plain:
              schema:
                type: string
              examples:
                TriggerGarbageCollection200Example:
                  summary: Default triggerGarbageCollection 200 response
                  x-microcks-default: true
                  value: OK
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    GcStatus:
      title: GcStatus
      description: Garbage collection status for a bookie.
      type: object
      properties:
        is_in_force_gc:
          type: string
          description: Whether forced garbage collection is currently active.
          example: 'false'
    BookieList:
      title: BookieList
      description: Map of bookie socket addresses to hostnames.
      type: object
      additionalProperties:
        type: string
    ClusterInfo:
      title: ClusterInfo
      description: BookKeeper cluster-wide status and bookie count information.
      type: object
      properties:
        auditorElected:
          type: boolean
          description: Whether an auditor has been elected.
          example: true
        auditorId:
          type: string
          description: Socket address of the elected auditor.
          example: bookie1.example.com:3181
        clusterUnderReplicated:
          type: boolean
          description: Whether any ledgers in the cluster are under-replicated.
          example: false
        ledgerReplicationEnabled:
          type: boolean
          description: Whether ledger replication is enabled.
          example: true
        totalBookiesCount:
          type: integer
          description: Total number of bookies in the cluster.
          example: 3
        writableBookiesCount:
          type: integer
          description: Number of bookies available for writes.
          example: 3
        readonlyBookiesCount:
          type: integer
          description: Number of read-only bookies.
          example: 0
        unavailableBookiesCount:
          type: integer
          description: Number of unavailable bookies.
          example: 0
    BookieInfo:
      title: BookieInfo
      description: Disk space information for a BookKeeper bookie.
      type: object
      properties:
        freeSpace:
          type: integer
          format: int64
          description: Free disk space in bytes.
          example: 107374182400
        totalSpace:
          type: integer
          format: int64
          description: Total disk space in bytes.
          example: 214748364800
    BookieState:
      title: BookieState
      description: Current operational state of a BookKeeper bookie.
      type: object
      properties:
        running:
          type: boolean
          description: Whether the bookie is running.
          example: true
        readOnly:
          type: boolean
          description: Whether the bookie is in read-only mode.
          example: false
        shuttingDown:
          type: boolean
          description: Whether the bookie is shutting down.
          example: false
        availableForHighPriorityWrites:
          type: boolean
          description: Whether the bookie accepts high-priority writes.
          example: true