experiments: add minimal example with helpers

experiments/pyexps/minimal_net.py

+from simbricks.orchestration import system
+from simbricks.orchestration import simulation as sim
+from simbricks.orchestration.helpers import simulation as sim_helpers
+from simbricks.orchestration.helpers import instantiation as inst_helpers
+
+sys = system.System()
+
+# create a host instance and a NIC instance then install the NIC on the host
+# host0 = system.CorundumLinuxHost(sys)
+host0 = system.I40ELinuxHost(sys)
+host0.add_disk(system.DistroDiskImage(h=host0, name="base"))
+host0.add_disk(system.LinuxConfigDiskImage(h=host0))
+
+nic0 = system.IntelI40eNIC(sys)
+nic0.add_ipv4("10.0.0.1")
+host0.connect_pcie_dev(nic0)
+
+
+# create a host instance and a NIC instance then install the NIC on the host
+host1 = system.I40ELinuxHost(sys)
+host1.add_disk(system.DistroDiskImage(h=host1, name="base"))
+host1.add_disk(system.LinuxConfigDiskImage(h=host1))
+
+nic1 = system.IntelI40eNIC(sys)
+nic1.add_ipv4("10.0.0.2")
+host1.connect_pcie_dev(nic1)
+
+
+switch0 = system.EthSwitch(sys)
+switch0.connect_eth_peer_if(nic0._eth_if)
+switch0.connect_eth_peer_if(nic1._eth_if)
+
+# configure the software to run on the host
+ping_client_app = system.PingClient(host0, nic1._ip)
+ping_client_app.wait = True
+host0.add_app(ping_client_app)
+host1.add_app(system.Sleep(host1, infinite=True))
+
+simulation = sim_helpers.simple_simulation(
+  sys,
+  compmap={
+      system.FullSystemHost: sim.QemuSim,
+      system.IntelI40eNIC: sim.I40eNicSim,
+      system.EthSwitch: sim.SwitchNet,
+  })
+
+instantiations = [inst_helpers.simple_instantiation(simulation)]
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