openapi: 3.1.0
info:
  title: Open Liberty APIs Applications Scaling API
  description: Open Liberty provides application programming interfaces that extend and complement Jakarta EE and MicroProfile APIs. Includes APIs for security, admin connectors, batch processing, messaging, health checking, metrics, OpenAPI documentation, and more. Open Liberty is the open-source foundation for WebSphere Liberty.
  version: 24.0.0
  license:
    name: Eclipse Public License 1.0
    url: https://www.eclipse.org/legal/epl-v10.html
  contact:
    name: Open Liberty Community
    url: https://openliberty.io/
servers:
- url: https://localhost:9443
  description: Default Open Liberty Server
security:
- basicAuth: []
tags:
- name: Scaling
  description: Scaling policy and auto-scaling management
paths:
  /scaling/policies:
    get:
      operationId: listScalingPolicies
      summary: List Scaling Policies
      description: Returns a list of auto-scaling policies.
      tags:
      - Scaling
      responses:
        '200':
          description: List of scaling policies
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ScalingPolicy'
              examples:
                Listscalingpolicies200Example:
                  summary: Default listScalingPolicies 200 response
                  x-microcks-default: true
                  value:
                  - name: Example Title
                    clusterName: example_value
                    enabled: true
                    minMembers: 10
                    maxMembers: 10
                    scaleUpTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    scaleDownTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    cooldownPeriod: 10
        '401':
          $ref: '#/components/responses/Unauthorized'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createScalingPolicy
      summary: Create a Scaling Policy
      description: Creates a new auto-scaling policy for a cluster.
      tags:
      - Scaling
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ScalingPolicy'
            examples:
              CreatescalingpolicyRequestExample:
                summary: Default createScalingPolicy request
                x-microcks-default: true
                value:
                  name: Example Title
                  clusterName: example_value
                  enabled: true
                  minMembers: 10
                  maxMembers: 10
                  scaleUpTrigger:
                    metric: cpuUtilization
                    threshold: 42.5
                    duration: 10
                  scaleDownTrigger:
                    metric: cpuUtilization
                    threshold: 42.5
                    duration: 10
                  cooldownPeriod: 10
      responses:
        '201':
          description: Scaling policy created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScalingPolicy'
              examples:
                Createscalingpolicy201Example:
                  summary: Default createScalingPolicy 201 response
                  x-microcks-default: true
                  value:
                    name: Example Title
                    clusterName: example_value
                    enabled: true
                    minMembers: 10
                    maxMembers: 10
                    scaleUpTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    scaleDownTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    cooldownPeriod: 10
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /scaling/policies/{policyName}:
    get:
      operationId: getScalingPolicy
      summary: Get Scaling Policy Details
      description: Returns details of a specific auto-scaling policy.
      tags:
      - Scaling
      parameters:
      - name: policyName
        in: path
        required: true
        description: Scaling policy name
        schema:
          type: string
        example: example_value
      responses:
        '200':
          description: Scaling policy details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScalingPolicy'
              examples:
                Getscalingpolicy200Example:
                  summary: Default getScalingPolicy 200 response
                  x-microcks-default: true
                  value:
                    name: Example Title
                    clusterName: example_value
                    enabled: true
                    minMembers: 10
                    maxMembers: 10
                    scaleUpTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    scaleDownTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    cooldownPeriod: 10
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    put:
      operationId: updateScalingPolicy
      summary: Update a Scaling Policy
      description: Updates an existing auto-scaling policy.
      tags:
      - Scaling
      parameters:
      - name: policyName
        in: path
        required: true
        schema:
          type: string
        example: example_value
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ScalingPolicy'
            examples:
              UpdatescalingpolicyRequestExample:
                summary: Default updateScalingPolicy request
                x-microcks-default: true
                value:
                  name: Example Title
                  clusterName: example_value
                  enabled: true
                  minMembers: 10
                  maxMembers: 10
                  scaleUpTrigger:
                    metric: cpuUtilization
                    threshold: 42.5
                    duration: 10
                  scaleDownTrigger:
                    metric: cpuUtilization
                    threshold: 42.5
                    duration: 10
                  cooldownPeriod: 10
      responses:
        '200':
          description: Scaling policy updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScalingPolicy'
              examples:
                Updatescalingpolicy200Example:
                  summary: Default updateScalingPolicy 200 response
                  x-microcks-default: true
                  value:
                    name: Example Title
                    clusterName: example_value
                    enabled: true
                    minMembers: 10
                    maxMembers: 10
                    scaleUpTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    scaleDownTrigger:
                      metric: cpuUtilization
                      threshold: 42.5
                      duration: 10
                    cooldownPeriod: 10
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    delete:
      operationId: deleteScalingPolicy
      summary: Delete a Scaling Policy
      description: Deletes an auto-scaling policy.
      tags:
      - Scaling
      parameters:
      - name: policyName
        in: path
        required: true
        schema:
          type: string
        example: example_value
      responses:
        '204':
          description: Scaling policy deleted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        code:
          type: string
          example: example_value
        message:
          type: string
          example: example_value
      required:
      - code
      - message
    ScalingPolicy:
      type: object
      properties:
        name:
          type: string
          description: Policy name
          example: Example Title
        clusterName:
          type: string
          description: Target cluster
          example: example_value
        enabled:
          type: boolean
          description: Whether the policy is active
          example: true
        minMembers:
          type: integer
          description: Minimum number of cluster members
          example: 10
        maxMembers:
          type: integer
          description: Maximum number of cluster members
          example: 10
        scaleUpTrigger:
          type: object
          properties:
            metric:
              type: string
              enum:
              - cpuUtilization
              - memoryUtilization
              - responseTime
            threshold:
              type: number
            duration:
              type: integer
              description: Duration in seconds before triggering
          example: example_value
        scaleDownTrigger:
          type: object
          properties:
            metric:
              type: string
              enum:
              - cpuUtilization
              - memoryUtilization
              - responseTime
            threshold:
              type: number
            duration:
              type: integer
          example: example_value
        cooldownPeriod:
          type: integer
          description: Cooldown period in seconds between scaling events
          example: 10
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication
    jwtAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: MicroProfile JWT authentication
externalDocs:
  description: Open Liberty API Reference
  url: https://openliberty.io/docs/latest/reference/api/open-liberty-apis.html