Open Liberty

Open Liberty Health API

MicroProfile Health check endpoints.

Documentation GitHub OpenAPI

Operations 4

GET /health Overall health check #

GET /health/ready Readiness health check #

GET /health/live Liveness health check #

GET /health/started Startup health check #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Open Liberty Admin REST Configuration Health API
  description: REST management API provided by Open Liberty for managing the server, deploying applications, querying MicroProfile Health and Metrics, and managing server configuration through the REST connector.
  version: 24.0.0
  contact:
    name: Open Liberty
    url: https://openliberty.io/
  license:
    name: Eclipse Public License 1.0
    url: https://www.eclipse.org/legal/epl-v10.html
servers:
- url: https://localhost:9443
  description: Default Open Liberty HTTPS admin endpoint
tags:
- name: Health
  description: MicroProfile Health check endpoints.
paths:
  /health:
    get:
      operationId: getOverallHealth
      summary: Overall health check
      description: Returns the overall health status combining all readiness and liveness checks (MicroProfile Health).
      tags:
      - Health
      responses:
        '200':
          description: All health checks pass.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
        '503':
          description: One or more health checks failed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
  /health/ready:
    get:
      operationId: getReadiness
      summary: Readiness health check
      description: Returns readiness status of the server and deployed applications.
      tags:
      - Health
      responses:
        '200':
          description: Server is ready.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
        '503':
          description: Server is not ready.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
  /health/live:
    get:
      operationId: getLiveness
      summary: Liveness health check
      description: Returns liveness status of the server.
      tags:
      - Health
      responses:
        '200':
          description: Server is alive.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
        '503':
          description: Server is not alive.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
  /health/started:
    get:
      operationId: getStartup
      summary: Startup health check
      description: Returns startup status of the server.
      tags:
      - Health
      responses:
        '200':
          description: Server has started.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HealthResponse'
        '503':
          description: Server has not completed startup.
components:
  schemas:
    HealthResponse:
      type: object
      properties:
        status:
          type: string
          enum:
          - UP
          - DOWN
        checks:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
                description: Name of the health check.
              status:
                type: string
                enum:
                - UP
                - DOWN
              data:
                type: object
                description: Additional data from the health check.
                additionalProperties: true
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: Admin user credentials configured in server.xml.