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tests: Add integration test for virtio-block topology

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This test relies on using losetup with a block size to create a block
device from a file that has a specific block size for the topology
detection code to pick up and passthrough to the guest.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-12-16 17:18:04 +00:00 committed by Sebastien Boeuf
parent cbc388c7e2
commit 6a76a6772d
1 changed files with 101 additions and 0 deletions
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101
tests/integration.rs
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@ -4996,6 +4996,107 @@ mod tests {
handle_child_output(r, &output);
}
#[test]
fn test_virtio_block_topology() {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
let guest = Guest::new(Box::new(focal));
let kernel_path = direct_kernel_boot_path();
let test_disk_path = guest.tmp_dir.as_path().join("test.img");
Command::new("qemu-img")
.args(&[
"create",
"-f",
"raw",
test_disk_path.to_str().unwrap(),
"16M",
])
.output()
.expect("qemu-img command failed");
let out = Command::new("losetup")
.args(&[
"--show",
"--find",
"--sector-size=4096",
test_disk_path.to_str().unwrap(),
])
.output()
.expect("failed to create loop device")
.stdout;
let _tmp = String::from_utf8_lossy(&out);
let loop_dev = _tmp.trim();
let mut child = GuestCommand::new(&guest)
.args(&["--cpus", "boot=1"])
.args(&["--memory", "size=512M"])
.args(&["--kernel", kernel_path.to_str().unwrap()])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.args(&[
"--disk",
format!(
"path={}",
guest.disk_config.disk(DiskType::OperatingSystem).unwrap()
)
.as_str(),
format!(
"path={}",
guest.disk_config.disk(DiskType::CloudInit).unwrap()
)
.as_str(),
format!("path={}", loop_dev).as_str(),
])
.default_net()
.capture_output()
.spawn()
.unwrap();
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot(None).unwrap();
// MIN-IO column
assert_eq!(
guest
.ssh_command("lsblk -t| grep vdc | awk '{print $3}'")
.unwrap()
.trim()
.parse::<u32>()
.unwrap_or_default(),
4096
);
// PHY-SEC column
assert_eq!(
guest
.ssh_command("lsblk -t| grep vdc | awk '{print $5}'")
.unwrap()
.trim()
.parse::<u32>()
.unwrap_or_default(),
4096
);
// LOG-SEC column
assert_eq!(
guest
.ssh_command("lsblk -t| grep vdc | awk '{print $6}'")
.unwrap()
.trim()
.parse::<u32>()
.unwrap_or_default(),
4096
);
});
let _ = child.kill();
let output = child.wait_with_output().unwrap();
handle_child_output(r, &output);
Command::new("losetup")
.args(&["-d", loop_dev])
.output()
.expect("loop device not found");
}
#[test]
fn test_virtio_balloon() {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());