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feat(builtin): NAT node returns its interface IP info in asdict()

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NAT now includes an 'interfaces' field in its response, filtered to
contain only the mapped NAT interface (virbr0 on Linux, vmnet8 on
macOS/Windows). This lets connected nodes discover the NAT subnet
and gateway address without needing to list all host interfaces.

The field format mirrors Cloud.asdict(): name, type, special, and
ip_addresses list (both IPv4 and IPv6).
This commit is contained in:
YueGuobin committed 2026-07-19 18:10:51 +08:00
1 parent ddf7d4ca60
commit 4943567962
2 files changed
+73 -31
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tests/compute/builtin/nodes/test_nat.py
+55 -31
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@@ -37,7 +37,15 @@ def test_json_gns3vm(on_gns3vm, compute_project):
"port_number": 0,
"type": "ethernet"
}
]
],
"interfaces": [
{
"name": "virbr0",
"type": "ethernet",
"special": True,
"ip_addresses": [],
},
],
}
@@ -47,39 +55,55 @@ def test_json_darwin(darwin_platform, compute_project):
{"name": "eth0", "special": False, "type": "ethernet"},
{"name": "vmnet8", "special": True, "type": "ethernet"}]):
nat = Nat("nat1", str(uuid.uuid4()), compute_project, MagicMock())
assert nat.asdict() == {
"name": "nat1",
"usage": "",
"node_id": nat.id,
"project_id": compute_project.id,
"status": "started",
"ports_mapping": [
{
"interface": "vmnet8",
"name": "nat0",
"port_number": 0,
"type": "ethernet"
}
]
}
assert nat.asdict() == {
"name": "nat1",
"usage": "",
"node_id": nat.id,
"project_id": compute_project.id,
"status": "started",
"ports_mapping": [
{
"interface": "vmnet8",
"name": "nat0",
"port_number": 0,
"type": "ethernet"
}
],
"interfaces": [
{
"name": "vmnet8",
"type": "ethernet",
"special": True,
"ip_addresses": [],
},
],
}
def test_json_windows_with_full_name_of_interface(windows_platform, project):
with patch("gns3server.utils.interfaces.interfaces", return_value=[
{"name": "VMware Network Adapter VMnet8", "special": True, "type": "ethernet"}]):
nat = Nat("nat1", str(uuid.uuid4()), project, MagicMock())
assert nat.asdict() == {
"name": "nat1",
"usage": "",
"node_id": nat.id,
"project_id": project.id,
"status": "started",
"ports_mapping": [
{
"interface": "VMware Network Adapter VMnet8",
"name": "nat0",
"port_number": 0,
"type": "ethernet"
}
]
}
assert nat.asdict() == {
"name": "nat1",
"usage": "",
"node_id": nat.id,
"project_id": project.id,
"status": "started",
"ports_mapping": [
{
"interface": "VMware Network Adapter VMnet8",
"name": "nat0",
"port_number": 0,
"type": "ethernet"
}
],
"interfaces": [
{
"name": "VMware Network Adapter VMnet8",
"type": "ethernet",
"special": True,
"ip_addresses": [],
},
],
}