some initial remote node commands using fabric

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()