# yaml-language-server: $schema=http://json-schema.org/draft-07/schema
# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
# SPDX-License-Identifier: Apache-2.0
---
allOf:
- type: object
  required:
  - host
  properties:
    format:
      $ref: ../format_spec.yaml

    in:
      type: object
      properties:
        subscribe:
          type: string
          description: Topic to which this node subscribes.

    out:
      type: object
      properties:
        publish:
          type: string
          description: Topic to which this node publishes.

    username:
      type: string
      description: The username which is used for authentication with the MQTT broker.

    password:
      type: string
      description: The username which is used for authentication with the MQTT broker.

    host:
      type: string
      description: The hostname of the MQTT broker.
      example: example.com

    port:
      type: integer
      description: The port number of the MQTT broker.
      default: 1883

    retain:
      type: boolean
      description: Set to true to make the will a retained message.
      default: false

    keepalive:
      type: integer
      default: 5
      description: The MQTT keepalive value.

    qos:
      type: integer
      default: 0
      description: The quality of service (QoS) to use for the subscription.

    ssl:
      type: object
      properties:

        enabled:
          type: boolean
          default: true

        insecure:
          type: boolean

        cafile:
          type: string
          description: Path to a file containing the PEM encoded trusted CA certificate file.

        capath:
          type: string
          description: Path to a directory containing the PEM encoded trusted CA certificate files.

        certfile:
          type: string
          description: Path to a file containing the PEM encoded certificate file for this client.

        keyfile:
          type: string
          description: Path to a file containing the PEM encoded private key for this client.

        cipher:
          type: string
          description: A string describing the ciphers available for use. See the `openssl ciphers` tool for more information.

        verify:
          type: boolean
          default: true
          description: |
            Configure verification of the server hostname in the server certificate.
            If value is set to true, it is impossible to guarantee that the host you are connecting to is not impersonating your server.
            This can be useful in initial server testing, but makes it possible for a malicious third party to impersonate your server through DNS spoofing, for example.
            Do not use this function in a real system.
            Setting value to true makes the connection encryption pointless.

        tls_version:
          type: string
          enum:
          - tlsv1
          - tlsv1.1
          - tlsv1.2
          description: |
            The version of the SSL/TLS protocol to use as a string.
            If not set, the default value is used. The default value and the available values depend on the version of openssl that the library was compiled against.
            For openssl >= 1.0.1, the available options are tlsv1.2, tlsv1.1 and tlsv1, with tlv1.2 as the default.
            For openssl < 1.0.1, only tlsv1 is available.

- $ref: ../node_signals.yaml
- $ref: ../node.yaml