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ci: Add integration test for vhost_user_blk with 'direct'

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This test is a variant of test_boot_vhost_user_blk(), named
test_boot_vhost_user_blk_direct(), that instances the vhost-user-blk
daemon with 'direct=true', to test this recently introduced feature
for opening files with O_DIRECT.

Signed-off-by: Sergio Lopez <slp@redhat.com>
This commit is contained in:
Sergio Lopez 2020-01-16 12:25:15 +01:00 committed by Rob Bradford
parent e0a8da2f46
commit ed5459f268
1 changed files with 71 additions and 4 deletions
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75
src/main.rs
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@ -1808,6 +1808,7 @@ mod tests {
tmp_dir: &TempDir,
blk_img: &str,
rdonly: bool,
direct: bool,
) -> (std::process::Child, String) {
let mut workload_path = dirs::home_dir().unwrap();
workload_path.push("workloads");
@ -1823,8 +1824,8 @@ mod tests {
.args(&[
"--backend",
format!(
"image={},sock={},readonly={}",
blk_file_path, vubd_socket_path, rdonly
"image={},sock={},readonly={},direct={}",
blk_file_path, vubd_socket_path, rdonly, direct
)
.as_str(),
])
@ -2617,7 +2618,7 @@ mod tests {
let guest = Guest::new(&mut clear);
let (mut daemon_child, vubd_socket_path) =
prepare_vubd(&guest.tmp_dir, "blk.img", false);
prepare_vubd(&guest.tmp_dir, "blk.img", false, false);
let mut cloud_child = Command::new("target/release/cloud-hypervisor")
.args(&["--cpus", "boot=1"])
@ -2701,7 +2702,7 @@ mod tests {
let guest = Guest::new(&mut clear);
let (mut daemon_child, vubd_socket_path) =
prepare_vubd(&guest.tmp_dir, "blk.img", true);
prepare_vubd(&guest.tmp_dir, "blk.img", true, false);
let mut cloud_child = Command::new("target/release/cloud-hypervisor")
.args(&["--cpus", "boot=1"])
@ -2771,6 +2772,71 @@ mod tests {
});
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_vhost_user_blk_direct() {
test_block!(tb, "", {
let mut clear = ClearDiskConfig::new();
let guest = Guest::new(&mut clear);
let (mut daemon_child, vubd_socket_path) =
prepare_vubd(&guest.tmp_dir, "blk.img", false, true);
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(),
])
.args(&["--net", guest.default_net_string().as_str()])
.args(&[
"--vhost-user-blk",
format!(
"sock={},num_queues=1,queue_size=128,wce=true",
vubd_socket_path
)
.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();
thread::sleep(std::time::Duration::new(5, 0));
let _ = daemon_child.kill();
let _ = daemon_child.wait();
Ok(())
});
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_boot_from_vhost_user_blk() {
test_block!(tb, "", {
@ -2785,6 +2851,7 @@ mod tests {
.unwrap()
.as_str(),
false,
false,
);
let mut cloud_child = Command::new("target/release/cloud-hypervisor")