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OpenAPI Specification

openapi: 3.2.0
info:
  title: Apache ZooKeeper Admin Server Cluster Health API
  description: The ZooKeeper Admin Server provides an HTTP interface for monitoring and management commands. It exposes four-letter-word equivalent commands as REST endpoints for cluster monitoring, configuration, and diagnostics.
  version: 3.9.0
  contact:
    name: Apache ZooKeeper
    url: https://zookeeper.apache.org/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:8080/commands
  description: Local ZooKeeper Admin Server
- url: http://{zk_host}:{port}/commands
  description: Custom ZooKeeper Admin Server
  variables:
    zk_host:
      default: localhost
    port:
      default: '8080'
tags:
- name: Health
  description: Server health checks
paths:
  /ruok:
    get:
      operationId: healthCheck
      summary: Apache ZooKeeper Health Check
      description: Tests if server is running in a non-error state. Returns imok if healthy. Equivalent to the 'ruok' command.
      tags:
      - Health
      responses:
        '200':
          description: Server health status
          content:
            application/json:
              schema:
                type: object
                properties:
                  command:
                    type: string
                  error:
                    type: string
                    nullable: true
              examples:
                HealthCheck200Example:
                  summary: Default healthCheck 200 response
                  x-microcks-default: true
                  value: {}
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /isro:
    get:
      operationId: isReadOnly
      summary: Apache ZooKeeper Check Read-only Mode
      description: Tests if server is in read-only mode. Equivalent to 'isro' command.
      tags:
      - Health
      responses:
        '200':
          description: Read-only mode status
          content:
            application/json:
              schema:
                type: object
                properties:
                  read_only:
                    type: boolean
                  command:
                    type: string
                  error:
                    type: string
                    nullable: true
              examples:
                IsReadOnly200Example:
                  summary: Default isReadOnly 200 response
                  x-microcks-default: true
                  value: {}
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK