ci: Add integration test for virtio-blk with 'direct=on'
Previous commit added 'direct' support for virtio-blk to be able to
open files backing disk images with O_DIRECT, so add an integration
test for this new feature.
@@ -2575,6 +2575,60 @@ mod tests {
});
}
+ #[cfg_attr(not(feature = "mmio"), test)]
+ fn test_virtio_blk_direct() {
+ test_block!(tb, "", {
+ let mut clear = ClearDiskConfig::new();
+ let guest = Guest::new(&mut clear);
+ let mut blk_file_path = dirs::home_dir().unwrap();
+ blk_file_path.push("workloads");
+ blk_file_path.push("blk.img");
+
+ let mut cloud_child = Command::new("target/release/cloud-hypervisor")
+ .args(&["--cpus", "boot=1"])
+ .args(&["--memory", "size=512M,file=/dev/shm"])
+ .args(&["--kernel", guest.fw_path.as_str()])
+ .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={},direct=on", blk_file_path.to_str().unwrap()).as_str(),
+ ])
+ .args(&["--net", guest.default_net_string().as_str()])
+ .spawn()
+ .unwrap();
+
+ thread::sleep(std::time::Duration::new(20, 0));
+
+ // Check both if /dev/vdc exists and if the block size is 16M.
+ aver_eq!(
+ tb,
+ guest
+ .ssh_command("lsblk | grep vdc | grep -c 16M")
+ .unwrap_or_default()
+ .trim()
+ .parse::<u32>()
+ .unwrap_or_default(),
+ 1
+ );
+
+ guest.ssh_command("sudo shutdown -h now")?;
+ thread::sleep(std::time::Duration::new(5, 0));
+ let _ = cloud_child.kill();
+ let _ = cloud_child.wait();
+
+ Ok(())
+ });
+ }
+
#[cfg_attr(not(feature = "mmio"), test)]
fn test_vhost_user_net() {
test_block!(tb, "", {
