def move_interface(namespace, interface):
namespace = util.process_namespace(namespace)
parts = interface.split(".")
if len(parts) not in range(1, 4):
raise exceptions.ServerError(f"Only untagged, single and double tagged interfaces are supported")
if app.simulate:
cfg = get_config()
if namespace not in cfg.namespaces:
abort(404)
all_interfaces = [intf.name for intf in cfg.namespaces[namespace].interfaces]
else:
all_interfaces = util.list_interfaces(namespace)
if interface not in all_interfaces:
raise exceptions.ServerError(f"Interface {interface} does not exist in {namespace}")
new_namespace_key: str = "destination_namespace"
if new_namespace_key not in request.json:
raise exceptions.ServerError(f"Invalid request: request should contain \"destination_namespace\"")
new_namespace = request.json[new_namespace_key]
if app.simulate:
old_ns: Namespace = cfg.namespaces[namespace]
new_ns: Namespace = cfg.namespaces[new_namespace]
iface: Interface = old_ns.get_interface(interface)
old_ns.interfaces.remove(iface)
new_ns.interfaces.append(iface)
else:
util.move_interface(new_namespace, interface, interface, old_namespace=namespace)
return jsonify({})
def cleanup_network() -> None:
""" Cleanup networking by removing tap devices and network namespace
"""
for namespace in list_net_ns():
if namespace.startswith("test-"):
subprocess.check_output(["ip", "netns", "delete", namespace])
for link in list_interfaces():
if link.startswith("test"):
subprocess.check_output(["ip", "link", "delete", link])
def list_interfaces(namespace):
namespace = util.process_namespace(namespace, allow_none=True)
if app.simulate:
cfg = get_config()
if namespace not in cfg.namespaces:
return abort(404)
return jsonify([intf.name for intf in cfg.namespaces[namespace].interfaces])
return jsonify(util.list_interfaces(namespace))
def test_sub_interfaces(setup_networking):
create_sub_interface("test-ns-1", "eth0", 10)
ifaces = list_interfaces("test-ns-1")
assert "eth0.10" in ifaces
delete_sub_interface("test-ns-1", "eth0", 10)
ifaces = list_interfaces("test-ns-1")
assert "eth0.10" not in ifaces
create_sub_interface("test-ns-1", "eth0", 100, 101)
ifaces = list_interfaces("test-ns-1")
assert "eth0.100.101" in ifaces
assert "eth0.100" in ifaces
delete_sub_interface("test-ns-1", "eth0", 100, 101)
ifaces = list_interfaces("test-ns-1")
assert "eth0.100.101" not in ifaces
assert "eth0.100" not in ifaces
create_sub_interface("test-ns-1", "eth0", 200, 101)
ifaces = list_interfaces("test-ns-1")
assert "eth0.200.101" in ifaces
assert "eth0.200" in ifaces
delete_sub_interface("test-ns-1", "eth0", 200, 101, keep_outer=True)
ifaces = list_interfaces("test-ns-1")
assert "eth0.200.101" not in ifaces
assert "eth0.200" in ifaces
def list_interfaces(namespace):
if namespace is None or len(namespace) == 0:
raise exceptions.ServerError(f"Invalid namespace {namespace}")
if app.simulate:
cfg = get_config()
if namespace not in cfg.namespaces:
return abort(404)
return jsonify(
[intf.name for intf in cfg.namespaces[namespace].interfaces])
return jsonify(util.list_interfaces(namespace))
def create_sub_interface(namespace, interface):
if namespace is None or len(namespace) == 0:
raise exceptions.ServerError(f"Invalid namespace {namespace}")
parts = interface.split(".")
if len(parts) not in [2, 3]:
raise exceptions.ServerError(
f"Only single and double tagged interfaces are supported")
if app.simulate:
cfg = get_config()
if namespace not in cfg.namespaces:
abort(404)
all_interfaces = [
intf.name for intf in cfg.namespaces[namespace].interfaces
]
else:
all_interfaces = util.list_interfaces(namespace)
if interface in all_interfaces:
raise exceptions.ServerError(
f"Interface {interface} already exists in {namespace}")
base_interface = parts.pop(0)
if base_interface not in all_interfaces:
raise exceptions.ServerError(
f"Base interface {base_interface} does not exist")
outer = int(parts.pop(0))
inner = 0
if len(parts):
inner = int(parts[0])
if app.simulate:
ns = cfg.namespaces[namespace]
base_intf = ns.get_interface(base_interface)
intf = config.Interface(name=interface, mac=base_intf.mac)
ns.interfaces.append(intf)
return jsonify({"interface": intf.get_state()})
else:
util.create_sub_interface(namespace, base_interface, outer, inner)
return jsonify(util.get_interface_state(namespace, interface))
def delete_sub_interface(namespace, interface):
namespace = util.process_namespace(namespace)
parts = interface.split(".")
if len(parts) not in [2, 3]:
raise exceptions.ServerError(f"Only single and double tagged interfaces are supported")
if app.simulate:
cfg = get_config()
if namespace not in cfg.namespaces:
abort(404)
all_interfaces = [intf.name for intf in cfg.namespaces[namespace].interfaces]
else:
all_interfaces = util.list_interfaces(namespace)
if interface not in all_interfaces:
raise exceptions.ServerError(f"Interface {interface} dot exist in {namespace}")
base_interface = parts.pop(0)
if base_interface not in all_interfaces:
raise exceptions.ServerError(f"Base interface {base_interface} does not exist")
outer = int(parts.pop(0))
inner = 0
if len(parts):
inner = int(parts[0])
if app.simulate:
ns = cfg.namespaces[namespace]
intf = ns.get_interface(interface)
ns.interfaces.remove(intf)
else:
util.delete_sub_interface(namespace, base_interface, outer, inner)
return jsonify({})
def test_list_interfaces(setup_networking):
interfaces = list_interfaces()
assert "test7" in interfaces
interfaces = list_interfaces("test-ns-1")
assert "eth0" in interfaces
