ensync@gp-sm-het-maas:~$ maas 19-root subnets read
Success.
Machine-readable output follows:
[
    {
        "dns_servers": [],
        "name": "192.168.26.0/23",
        "space": "default",
        "vlan": {
            "name": "untagged",
            "vid": 0,
            "mtu": 1500,
            "fabric": "maas-internal",
            "id": 0,
            "resource_uri": "/MAAS/api/1.0/vlans/0/"
        },
        "gateway_ip": "192.168.26.1",
        "cidr": "192.168.26.0/23",
        "id": 1,
        "resource_uri": "/MAAS/api/1.0/subnets/1/"
    },
    {
        "dns_servers": [],
        "name": "maas-101",
        "space": "default",
        "vlan": {
            "name": "untagged",
            "vid": 0,
            "mtu": 1500,
            "fabric": "fabric-2",
            "id": 5002,
            "resource_uri": "/MAAS/api/1.0/vlans/5002/"
        },
        "gateway_ip": "41.66.129.1",
        "cidr": "41.66.129.0/29",
        "id": 3,
        "resource_uri": "/MAAS/api/1.0/subnets/3/"
    },
    {
        "dns_servers": [],
        "name": "openstack-external",
        "space": "default",
        "vlan": {
            "name": "untagged",
            "vid": 0,
            "mtu": 1500,
            "fabric": "maas-external",
            "id": 5001,
            "resource_uri": "/MAAS/api/1.0/vlans/5001/"
        },
        "gateway_ip": "192.168.24.1",
        "cidr": "192.168.24.0/23",
        "id": 2,
        "resource_uri": "/MAAS/api/1.0/subnets/2/"
    }
]

maas 19-root fabrics read
Success.
Machine-readable output follows:
[
    {
        "resource_uri": "/MAAS/api/1.0/fabrics/2/",
        "vlans": [
            {
                "name": "untagged",
                "vid": 0,
                "mtu": 1500,
                "fabric": "fabric-2",
                "id": 5002,
                "resource_uri": "/MAAS/api/1.0/vlans/5002/"
            }
        ],
        "class_type": null,
        "name": "fabric-2",
        "id": 2
    },
    {
        "resource_uri": "/MAAS/api/1.0/fabrics/0/",
        "vlans": [
            {
                "name": "untagged",
                "vid": 0,
                "mtu": 1500,
                "fabric": "maas-internal",
                "id": 0,
                "resource_uri": "/MAAS/api/1.0/vlans/0/"
            },
            {
                "name": "PublicOpenstack",
                "vid": 10,
                "mtu": 1500,
                "fabric": "maas-internal",
                "id": 5003,
                "resource_uri": "/MAAS/api/1.0/vlans/5003/"
            },
            {
                "name": "PublicOpenstack",
                "vid": 101,
                "mtu": 1500,
                "fabric": "maas-internal",
                "id": 5004,
                "resource_uri": "/MAAS/api/1.0/vlans/5004/"
            }
        ],
        "class_type": "",
        "name": "maas-internal",
        "id": 0
    },
    {
        "resource_uri": "/MAAS/api/1.0/fabrics/1/",
        "vlans": [
            {
                "name": "untagged",
                "vid": 0,
                "mtu": 1500,
                "fabric": "maas-external",
                "id": 5001,
                "resource_uri": "/MAAS/api/1.0/vlans/5001/"
            },
            {
                "name": "PublicOpenstack",
                "vid": 10,
                "mtu": 1500,
                "fabric": "maas-external",
                "id": 5005,
                "resource_uri": "/MAAS/api/1.0/vlans/5005/"
            },
            {
                "name": "VLAN101",
                "vid": 101,
                "mtu": 1500,
                "fabric": "maas-external",
                "id": 5006,
                "resource_uri": "/MAAS/api/1.0/vlans/5006/"
            }
        ],
        "class_type": "",
        "name": "maas-external",
        "id": 1
    }