systemd

systemd Cgroups API

Transient unit creation and cgroup-backed resource control.

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OpenAPI Specification

openapi: 3.1.0
info:
  title: systemd-hostnamed (org.freedesktop.hostname1) Boot Cgroups API
  version: '1.0'
  summary: D-Bus API of systemd-hostnamed modeled as REST operations.
  description: 'Documentation/contract artifact for the `org.freedesktop.hostname1` D-Bus interface on the

    system bus. Manages the system hostname (static, transient, pretty), chassis type, deployment,

    location, icon name, and other machine info.

    '
  license:
    name: LGPL-2.1-or-later
    url: https://github.com/systemd/systemd/blob/main/LICENSES/LGPL-2.1-or-later.txt
servers:
- url: dbus://system/org.freedesktop.hostname1
tags:
- name: Cgroups
  description: Transient unit creation and cgroup-backed resource control.
paths:
  /units/transient:
    post:
      tags:
      - Cgroups
      operationId: StartTransientUnit
      summary: Start A Transient Unit
      description: Creates and starts a new transient unit (typically a scope or service) with the supplied properties. Mirrors `StartTransientUnit(name, mode, properties, aux)`.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              required:
              - name
              - mode
              properties:
                name:
                  type: string
                mode:
                  type: string
                  enum:
                  - replace
                  - fail
                  - isolate
                  - ignore-dependencies
                  - ignore-requirements
                properties:
                  type: object
                  additionalProperties: true
                aux:
                  type: array
                  items:
                    type: object
      responses:
        '202':
          description: Job enqueued.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JobPath'
components:
  schemas:
    JobPath:
      type: object
      properties:
        path:
          type: string
          description: D-Bus object path of the job.