systemd Sessions API

openapi: 3.1.0
info:
  title: systemd-hostnamed (org.freedesktop.hostname1) Boot Sessions 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: Sessions
paths:
  /sessions:
    get:
      tags:
      - Sessions
      operationId: ListSessions
      summary: List All Active Sessions
      description: Mirrors `ListSessions()`. Returns an array of (session id, uid, user name, seat id, object path).
      responses:
        '200':
          description: Array of sessions.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Session'
  /sessions/{id}:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: string
    get:
      tags:
      - Sessions
      operationId: GetSession
      summary: Get A Session By ID
      description: Mirrors `GetSession(id)`. Returns the session object path.
      responses:
        '200':
          description: Session object path.
          content:
            application/json:
              schema:
                type: object
                properties:
                  path:
                    type: string
  /sessions/{id}/terminate:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: string
    post:
      tags:
      - Sessions
      operationId: TerminateSession
      summary: Terminate A Session
      description: Mirrors `TerminateSession(id)`. Kills all processes in the session's cgroup.
      responses:
        '204':
          description: Session terminated.
  /sessions/{id}/lock:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: string
    post:
      tags:
      - Sessions
      operationId: LockSession
      summary: Request Session Lock
      description: Mirrors `LockSession(id)`. Asks the session's lock UI to engage.
      responses:
        '204':
          description: Lock requested.
  /sessions/{id}/unlock:
    parameters:
    - name: id
      in: path
      required: true
      schema:
        type: string
    post:
      tags:
      - Sessions
      operationId: UnlockSession
      summary: Request Session Unlock
      description: Mirrors `UnlockSession(id)`.
      responses:
        '204':
          description: Unlock requested.
components:
  schemas:
    Session:
      type: object
      properties:
        session_id:
          type: string
        uid:
          type: integer
        user_name:
          type: string
        seat_id:
          type: string
        object_path:
          type: string