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tests: Extend snapshot/restore test with virtio-mem

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Add virtio-mem plug/unplug testing to the existing snapshot/restore
integration test.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-09-28 14:54:14 +02:00 committed by Bo Chen
parent 612dc544a8
commit 93d19329f9
1 changed files with 20 additions and 6 deletions
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26
tests/integration.rs
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@ -5015,7 +5015,10 @@ mod tests {
let mut child = GuestCommand::new(&guest)
.args(&["--api-socket", &api_socket])
.args(&["--cpus", "boot=4"])
.args(&["--memory", "size=4G"])
.args(&[
"--memory",
"size=4G,hotplug_method=virtio-mem,hotplug_size=32G",
])
.args(&["--balloon", "size=0"])
.args(&["--kernel", kernel_path.to_str().unwrap()])
.args(&[
@ -5045,12 +5048,16 @@ mod tests {
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 4);
// Check the guest RAM
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
// Increase guest RAM with virtio-mem
resize_command(&api_socket, None, Some(6 << 30), None);
thread::sleep(std::time::Duration::new(5, 0));
assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
// Use balloon to remove RAM from the VM
resize_command(&api_socket, None, None, Some(1 << 30));
thread::sleep(std::time::Duration::new(5, 0));
let total_memory = guest.get_total_memory().unwrap_or_default();
assert!(total_memory > 2_880_000);
assert!(total_memory < 3_840_000);
assert!(total_memory > 4_800_000);
assert!(total_memory < 5_760_000);
// Check the guest virtio-devices, e.g. block, rng, vsock, console, and net
guest.check_devices_common(Some(&socket), Some(&console_text));
@ -5128,12 +5135,19 @@ mod tests {
// Perform same checks to validate VM has been properly restored
assert_eq!(guest.get_cpu_count().unwrap_or_default(), 4);
let total_memory = guest.get_total_memory().unwrap_or_default();
assert!(total_memory > 2_880_000);
assert!(total_memory < 3_840_000);
assert!(total_memory > 4_800_000);
assert!(total_memory < 5_760_000);
// Deflate balloon to restore entire RAM to the VM
resize_command(&api_socket, None, None, Some(0));
thread::sleep(std::time::Duration::new(5, 0));
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
// Decrease guest RAM with virtio-mem
resize_command(&api_socket, None, Some(5 << 30), None);
thread::sleep(std::time::Duration::new(5, 0));
let total_memory = guest.get_total_memory().unwrap_or_default();
assert!(total_memory > 4_800_000);
assert!(total_memory < 5_760_000);
guest.check_devices_common(Some(&socket), Some(&console_text));
});
// Shutdown the target VM and check console output