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OpenAPI Specification
openapi: 3.2.0
info:
title: Apache Helix REST Clusters State API
version: 1.0.0
description: REST API for managing Apache Helix clusters, instances, resources, and partition state assignments in distributed systems.
contact:
email: dev@helix.apache.org
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:9100
description: Helix REST Service
tags:
- name: State
description: Partition state operations
paths:
/clusters/{clusterId}/resources/{resourceName}/externalView:
get:
operationId: getExternalView
summary: Apache Helix Get External View
description: Get the current external view showing actual partition state assignments across instances.
tags:
- State
parameters:
- name: clusterId
in: path
required: true
schema:
type: string
- name: resourceName
in: path
required: true
schema:
type: string
responses:
'200':
description: External view retrieved
content:
application/json:
schema:
$ref: '#/components/schemas/ExternalView'
/clusters/{clusterId}/resources/{resourceName}/idealState:
get:
operationId: getIdealState
summary: Apache Helix Get Ideal State
description: Get the ideal state (desired partition placement) for a Helix resource.
tags:
- State
parameters:
- name: clusterId
in: path
required: true
schema:
type: string
- name: resourceName
in: path
required: true
schema:
type: string
responses:
'200':
description: Ideal state retrieved
content:
application/json:
schema:
$ref: '#/components/schemas/IdealState'
components:
schemas:
IdealState:
type: object
description: Desired ideal state for resource partition placement
properties:
id:
type: string
description: Resource name
example: my-resource
stateModelDefRef:
type: string
description: State model reference
example: MasterSlave
mapFields:
type: object
description: Map of partition to desired instance state map
ExternalView:
type: object
description: Current external view showing actual partition states across instances
properties:
id:
type: string
description: Resource name
example: my-resource
mapFields:
type: object
description: Map of partition to instance state map