69 lines
2 KiB
Python
69 lines
2 KiB
Python
"""
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Example for scripting a standalone distributed LXD session that does not interact
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with the GUI.
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"""
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import argparse
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import logging
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from core.emulator.coreemu import CoreEmu
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from core.emulator.data import IpPrefixes
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from core.emulator.enumerations import EventTypes
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from core.nodes.lxd import LxcNode
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def parse(name):
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parser = argparse.ArgumentParser(description=f"Run {name} example")
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parser.add_argument(
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"-a",
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"--address",
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help="local address that distributed servers will use for gre tunneling",
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)
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parser.add_argument(
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"-s", "--server", help="distributed server to use for creating nodes"
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)
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options = parser.parse_args()
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return options
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def main(args):
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# ip generator for example
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prefixes = IpPrefixes(ip4_prefix="10.83.0.0/16")
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# create emulator instance for creating sessions and utility methods
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coreemu = CoreEmu({"distributed_address": args.address})
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session = coreemu.create_session()
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# initialize distributed
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server_name = "core2"
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session.distributed.add_server(server_name, args.server)
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# must be in configuration state for nodes to start, when using "node_add" below
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session.set_state(EventTypes.CONFIGURATION_STATE)
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# create local node, switch, and remote nodes
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options = LxcNode.create_options()
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options.image = "ubuntu:18.04"
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node1 = session.add_node(LxcNode, options=options)
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options.server = server_name
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node2 = session.add_node(LxcNode, options=options)
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# create node interfaces and link
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interface1_data = prefixes.create_iface(node1)
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interface2_data = prefixes.create_iface(node2)
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session.add_link(node1.id, node2.id, interface1_data, interface2_data)
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# instantiate session
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session.instantiate()
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# pause script for verification
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input("press enter for shutdown")
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# shutdown session
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coreemu.shutdown()
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO)
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args = parse(__file__)
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main(args)
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