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tests: Cleanup interfaces in test_vfio

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If this test flakes is can then cause subsequent invocations to fail as
the test has left its special test interfaces alive.

Signed-off-by: Rob Bradford <rbradford@meta.com>
This commit is contained in:
Rob Bradford
2026-05-04 15:05:28 +01:00
parent f09ab0898d
commit a93dbe790f
1 changed files with 8 additions and 5 deletions
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13
cloud-hypervisor/tests/common/utils.rs
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@@ -757,6 +757,9 @@ pub(crate) fn get_pty_path(api_socket: &str, pty_type: &str) -> PathBuf {
// We reserve a different IP class for it: 172.18.0.0/24.
#[cfg(target_arch = "x86_64")]
pub(crate) fn setup_vfio_network_interfaces() {
// Clean up any leftover interfaces from previous runs
cleanup_vfio_network_interfaces();
// 'vfio-br0'
assert!(exec_host_command_status("sudo ip link add name vfio-br0 type bridge").success());
assert!(exec_host_command_status("sudo ip link set vfio-br0 up").success());
@@ -782,11 +785,11 @@ pub(crate) fn setup_vfio_network_interfaces() {
// Tear VFIO test network down
#[cfg(target_arch = "x86_64")]
pub(crate) fn cleanup_vfio_network_interfaces() {
assert!(exec_host_command_status("sudo ip link del vfio-br0").success());
assert!(exec_host_command_status("sudo ip link del vfio-tap0").success());
assert!(exec_host_command_status("sudo ip link del vfio-tap1").success());
assert!(exec_host_command_status("sudo ip link del vfio-tap2").success());
assert!(exec_host_command_status("sudo ip link del vfio-tap3").success());
let _ = exec_host_command_status("sudo ip link del vfio-br0");
let _ = exec_host_command_status("sudo ip link del vfio-tap0");
let _ = exec_host_command_status("sudo ip link del vfio-tap1");
let _ = exec_host_command_status("sudo ip link del vfio-tap2");
let _ = exec_host_command_status("sudo ip link del vfio-tap3");
}
pub(crate) fn balloon_size(api_socket: &str) -> u64 {