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ci: Add integration test for virtio-blk with 'direct=on'

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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.

Signed-off-by: Sergio Lopez <slp@redhat.com>
This commit is contained in:
Sergio Lopez 2020-01-21 12:41:58 +01:00 committed by Rob Bradford
parent 925c862f98
commit 605fa8307b
1 changed files with 54 additions and 0 deletions
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54
src/main.rs
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@ -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, "", {