This configuration adjusts default unit settings. It is common for all units of the same model. And it can be changed on Target Systems page in Web UI of OEM user.

Unit config

Schema view for unit config.

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Example

{
  "nodes": [
    {
      "nodeType": "nodeType",
      "priority": 100,
      "devices": [
        {
          "name": "camera0", /// name of device (alias) (device is addressed in linux way:camera0, camera1 etc.)
          "sharedCount": 0, /// 0 - device can be shared with unlimited containers
          "groups": [
            /// SM should share these additional groups to container
            "user1",
            "user2"
          ],
          "hostDevices": [
            /// This node contains paths to real devices on Host system
            "/dev/video0:/dev/mainvideo", /// they should be used for providing this Device Class to container
            "/dev/video1:/dev/secondaryvideo", /// Path to real device descriptor on Host system. Container path can be
            "/dev/video2" /// specified after `:` separator. If container path is missed, the host
            /// poth will be used inside container.
          ]
        },
        {
          "name": "mic0",
          "sharedCount": 1, /// only one container can use this device
          /// groups can be empty or isn't presented. It means that SM should not share additional groups
          "hostDevices": [
            "/dev/snd/controlC0",
            "/dev/snd/pcmC0D0c",
            "/dev/snd/timer"
          ]
        },
        {
          "name": "audio0",
          "sharedCount": 0, /// 0 - device can be shared with unlimited containers
          "groups": [
            "user1"
          ],
          "hostDevices": [
            "/dev/snd/controlC0",
            "/dev/snd/pcmC0D0p",
            "/dev/snd/timer"
          ]
        }
      ],
      "resources": [
        {
          "name": "some_host_resource",
          "groups": [
            "user1"
          ],
          "mounts": [
            // https://github.com/opencontainers/runtime-spec/blob/master/config.md#posix-platform-mounts
            {
              "destination": "/var/container_folder",
              "source": "/usr/bin/host_folder",
              "options": [
                "rw"
              ],
              "type": "tmpfs"
            }
          ],
          "env": [
            "key1=value1"
          ],
          "hosts": [
            {
              "ip": "10.0.0.1",
              "hostname": "hostservername"
            }
          ]
        }
      ],
      "labels": [
        "node0Label"
      ]
    }
  ]
}