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Allow up to 275 adapters for qemu

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See #889 for more details
This commit is contained in:
Julien Duponchelle
2017-02-07 17:04:29 +01:00
parent 5e02a9d450
commit b0567772f7
3 changed files with 53 additions and 7 deletions
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33
tests/compute/qemu/test_qemu_vm.py
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@ -588,7 +588,7 @@ def test_build_command_two_adapters_mac_address(vm, loop, fake_qemu_binary, port
vm.adapters = 2
vm.mac_address = "00:00:ab:0e:0f:09"
mac_0 = vm._mac_address
mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address))
mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 1)
assert mac_0[:8] == "00:00:ab"
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
@ -605,6 +605,37 @@ def test_build_command_two_adapters_mac_address(vm, loop, fake_qemu_binary, port
assert "e1000,mac={}".format(mac_1) in cmd
def test_build_command_large_number_of_adapters(vm, loop, fake_qemu_binary, port_manager):
"""
When we have more than 28 interface we need to add a pci bridge for
additionnal interfaces
"""
vm.adapters = 100
vm.mac_address = "00:00:ab:0e:0f:09"
mac_0 = vm._mac_address
mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 1)
assert mac_0[:8] == "00:00:ab"
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
assert "e1000,mac={}".format(mac_0) in cmd
assert "e1000,mac={}".format(mac_1) in cmd
assert "pci-bridge,id=pci-bridge0,bus=dmi_pci_bridge0,chassis_nr=0x1,addr=0x0,shpc=off" not in cmd
assert "pci-bridge,id=pci-bridge1,bus=dmi_pci_bridge1,chassis_nr=0x1,addr=0x1,shpc=off" in cmd
assert "pci-bridge,id=pci-bridge2,bus=dmi_pci_bridge2,chassis_nr=0x1,addr=0x2,shpc=off" in cmd
assert "i82801b11-bridge,id=dmi_pci_bridge1" in cmd
print(cmd)
mac_29 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 29)
assert "e1000,mac={},bus=pci-bridge1,addr=0x04".format(mac_29) in cmd
mac_30 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 30)
assert "e1000,mac={},bus=pci-bridge1,addr=0x05".format(mac_30) in cmd
mac_74 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 74)
assert "e1000,mac={},bus=pci-bridge2,addr=0x11".format(mac_74) in cmd
# Windows accept this kind of mistake
@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
def test_build_command_with_invalid_options(vm, loop, fake_qemu_binary):