core-extra/package/examples/python/distributed_ptp.py

66 lines
1.9 KiB
Python

"""
Example for scripting a standalone distributed peer to peer session that does not
interact with the GUI.
"""
import argparse
import logging
from core.emulator.coreemu import CoreEmu
from core.emulator.data import IpPrefixes
from core.emulator.enumerations import EventTypes
from core.nodes.base import CoreNode
def parse(name):
parser = argparse.ArgumentParser(description=f"Run {name} example")
parser.add_argument(
"-a",
"--address",
help="local address that distributed servers will use for gre tunneling",
)
parser.add_argument(
"-s", "--server", help="distributed server to use for creating nodes"
)
options = parser.parse_args()
return options
def main(args):
# ip generator for example
prefixes = IpPrefixes(ip4_prefix="10.83.0.0/16")
# create emulator instance for creating sessions and utility methods
coreemu = CoreEmu({"distributed_address": args.address})
session = coreemu.create_session()
# initialize distributed
server_name = "core2"
session.distributed.add_server(server_name, args.server)
# must be in configuration state for nodes to start, when using "node_add" below
session.set_state(EventTypes.CONFIGURATION_STATE)
# create local node, switch, and remote nodes
node1 = session.add_node(CoreNode)
node2 = session.add_node(CoreNode, server=server_name)
# create node interfaces and link
interface1_data = prefixes.create_iface(node1)
interface2_data = prefixes.create_iface(node2)
session.add_link(node1.id, node2.id, interface1_data, interface2_data)
# instantiate session
session.instantiate()
# pause script for verification
input("press enter for shutdown")
# shutdown session
coreemu.shutdown()
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
args = parse(__file__)
main(args)