def main():
nr = InitNornir(config_file="nornir_config.yaml", core={'num_workers': 10})
# register the ncclient connection plugin so that host-connections have access to it
Connections.register("ncclient", Ncclient)
nr2 = nr.filter(name='sr1.lab')
print_title("Loading Service Intents")
results = nr.run(task=load_service_intents,
name="Load Service Intents",
directory="intent2/services/eline/vars")
print_result(results, vars="stdout")
print_title("Updating inventory host data (partial)")
resources_to_load = set()
for _, host in nr.inventory.hosts.items():
resources_needed = host.get("rsc_to_populate", None)
if resources_needed:
for rsc in resources_needed:
resources_to_load.add(rsc)
results = nr.run(task=download_configs,
name="Load relevant configs into Inventory",
resources=resources_to_load)
print_result(results, vars="stdout")
print_title("Ensuring Service Intents")
results = nr.run(task=ensure_services, intent_dir="intent2/services")
print_result(results, vars="diff")
def __init__(
self, name: str, defaults: Optional[Defaults] = None, **kwargs
) -> None:
self.name = name
self.defaults = defaults or Defaults()
self.connections: Connections = Connections()
super().__init__(**kwargs)
def register() -> None:
"""
Register scrapli connection plugin to nornir
Args:
N/A
Returns:
N/A
Raises:
N/A
"""
if CONNECTION_NAME not in Connections.available:
Connections.register(CONNECTION_NAME, Scrapli)
def main():
nr = InitNornir(
config_file="nornir_config.yaml",
core={
'num_workers':10
}
)
# register the ncclient connection plugin so that host-connections have access to it
Connections.register("ncclient", Ncclient)
nr2 = nr.filter(name='sr1.lab')
results = nr.run(task=validate_intent, intent_dir="intents")
# results = nr2.run(task=validate_intent, intent_dir="intents")
print_title("Runbook to push intent")
print_result(results, vars = "diff")
def register_connections():
"""
register nornir connection plugins
"""
from nornir.core.connections import Connections
from netnir.core.connection.netmiko import Netmiko
from netnir.core.connection.netconf import Netconf
Connections.deregister_all()
Connections.register(name="netconf", plugin=Netconf)
Connections.register(name="netmiko", plugin=Netmiko)
def setup_class(cls):
Connections.deregister_all()
Connections.register("dummy", DummyConnectionPlugin)
Connections.register("dummy2", DummyConnectionPlugin)
Connections.register("dummy_no_overrides", DummyConnectionPlugin)
def test_nonexistent_plugin(self):
with pytest.raises(ConnectionPluginNotRegistered):
Connections.get_plugin("nonexistent_dummy")
def test_get_plugin(self):
assert Connections.get_plugin("dummy") == DummyConnectionPlugin
assert Connections.get_plugin(
"another_dummy") == AnotherDummyConnectionPlugin
assert len(Connections.available) == 2
def test_deregister_all(self):
Connections.deregister_all()
assert Connections.available == {}
def test_deregister_existing(self):
Connections.deregister("dummy")
assert len(Connections.available) == 1
assert "dummy" not in Connections.available
def test_register_already_registered_new(self):
with pytest.raises(ConnectionPluginAlreadyRegistered):
Connections.register("dummy", AnotherDummyConnectionPlugin)
def test_register_already_registered_same(self):
Connections.register("dummy", DummyConnectionPlugin)
assert Connections.available["dummy"] == DummyConnectionPlugin
def test_register_new(self):
Connections.register("new_dummy", DummyConnectionPlugin)
assert "new_dummy" in Connections.available
def teardown_method(self, method):
Connections.deregister_all()
register_default_connection_plugins()
def setup_method(self, method):
Connections.deregister_all()
Connections.register("dummy", DummyConnectionPlugin)
Connections.register("another_dummy", AnotherDummyConnectionPlugin)
def register_default_connection_plugins() -> None:
Connections.register("napalm", Napalm)
Connections.register("netmiko", Netmiko)
Connections.register("paramiko", Paramiko)
def test_deregister_nonexistent(self):
with pytest.raises(ConnectionPluginNotRegistered):
Connections.deregister("nonexistent_dummy")