core-extra/daemon/examples/python/distributed.py

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import logging
from core.emulator.coreemu import CoreEmu
from core.emulator.emudata import NodeOptions
from core.emulator.enumerations import EventTypes
def main():
# ip generator for example
# prefixes = IpPrefixes(ip4_prefix="10.83.0.0/16")
# create emulator instance for creating sessions and utility methods
coreemu = CoreEmu()
session = coreemu.create_session()
# initialize distributed
session.servers.add("core2")
session.init_distributed()
# must be in configuration state for nodes to start, when using "node_add" below
session.set_state(EventTypes.CONFIGURATION_STATE)
# create switch network node
# switch = session.add_node(_type=NodeTypes.SWITCH)
# create nodes
options = NodeOptions()
options.emulation_server = "10.10.4.38"
options.emulation_server = "core2"
session.add_node(node_options=options)
# interface = prefixes.create_interface(node_one)
# session.add_link(node_one.id, switch.id, interface_one=interface)
# node_two = session.add_node()
# interface = prefixes.create_interface(node_two)
# session.add_link(node_two.id, switch.id, interface_one=interface)
# instantiate session
session.instantiate()
# print("starting iperf server on node: %s" % node_one.name)
# node_one.cmd(["iperf", "-s", "-D"])
# node_one_address = prefixes.ip4_address(node_one)
#
# print("node %s connecting to %s" % (node_two.name, node_one_address))
# node_two.client.icmd(["iperf", "-t", "10", "-c", node_one_address])
# node_one.cmd(["killall", "-9", "iperf"])
# shutdown session
coreemu.shutdown()
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
main()