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tests: Fix virtio-pmem

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By introducing new kernel configuration related to DAX support, the
tests are not working as they were before. The format of the image
passed through virtio-pmem needs to be in proper raw format, otherwise
the virtio-pmem driver cannot complete its probing.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2019-08-12 18:54:40 -07:00 committed by Samuel Ortiz
parent af9a72eab6
commit b3c809a78c
1 changed files with 3 additions and 42 deletions
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45
src/main.rs
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@ -262,7 +262,7 @@ extern crate lazy_static;
#[cfg(feature = "integration_tests")]
mod tests {
use ssh2::Session;
use std::fs::{self, read, OpenOptions};
use std::fs;
use std::io::{Read, Write};
use std::net::TcpStream;
use std::process::{Command, Stdio};
@ -1216,21 +1216,6 @@ mod tests {
let mut kernel_path = workload_path.clone();
kernel_path.push("vmlinux");
let pmem_backend_path = guest.tmp_dir.path().join("/tmp/pmem-file");
let mut pmem_backend_file = OpenOptions::new()
.read(true)
.write(true)
.create(true)
.open(&pmem_backend_path)
.unwrap();
let pmem_backend_content = "foo";
pmem_backend_file
.write_all(pmem_backend_content.as_bytes())
.unwrap();
let pmem_backend_file_size = 0x1000;
pmem_backend_file.set_len(pmem_backend_file_size).unwrap();
let mut child = Command::new("target/debug/cloud-hypervisor")
.args(&["--cpus", "1"])
.args(&["--memory", "size=512M"])
@ -1253,8 +1238,8 @@ mod tests {
"--pmem",
format!(
"file={},size={}",
pmem_backend_path.to_str().unwrap(),
pmem_backend_file_size
guest.disk_config.disk(DiskType::RawOperatingSystem).unwrap(),
fs::metadata(&guest.disk_config.disk(DiskType::RawOperatingSystem).unwrap()).unwrap().len()
)
.as_str(),
])
@ -1266,30 +1251,6 @@ mod tests {
// Check for the presence of /dev/pmem0
aver_eq!(tb, guest.ssh_command("ls /dev/pmem0").trim(), "/dev/pmem0");
// Check content
aver_eq!(
tb,
&guest.ssh_command("sudo cat /dev/pmem0").trim()[..pmem_backend_content.len()],
pmem_backend_content
);
// Modify content
let new_content = "bar";
guest.ssh_command(
format!(
"sudo bash -c 'echo {} > /dev/pmem0' && sudo sync /dev/pmem0",
new_content
)
.as_str(),
);
// Check content from host
aver_eq!(
tb,
&String::from_utf8(read(pmem_backend_path).unwrap())
.unwrap()
.as_str()[..new_content.len()],
new_content
);
guest.ssh_command("sudo reboot");
let _ = child.wait();