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tests: Make a wrapper function for snapshot/restore

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Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam 2022-11-03 11:44:39 -07:00 committed by Bo Chen
parent b37e2ed378
commit 58d8795b53
1 changed files with 51 additions and 39 deletions
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90
tests/integration.rs
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@ -5689,7 +5689,11 @@ mod common_parallel {
// through each ssh command. There's no need to perform a dedicated test to
// verify the migration went well for virtio-net.
#[test]
fn test_snapshot_restore() {
fn test_snapshot_restore_hotplug_virtiomem() {
_test_snapshot_restore(true);
}
fn _test_snapshot_restore(use_hotplug: bool) {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
let guest = Guest::new(Box::new(focal));
let kernel_path = direct_kernel_boot_path();
@ -5701,6 +5705,11 @@ mod common_parallel {
"id={},tap=,mac={},ip={},mask=255.255.255.0",
net_id, guest.network.guest_mac, guest.network.host_ip
);
let mut mem_params = "size=4G";
if use_hotplug {
mem_params = "size=4G,hotplug_method=virtio-mem,hotplug_size=32G"
}
let cloudinit_params = format!(
"path={},iommu=on",
@ -5714,10 +5723,7 @@ mod common_parallel {
.args(["--api-socket", &api_socket_source])
.args(["--event-monitor", format!("path={}", event_path).as_str()])
.args(["--cpus", "boot=4"])
.args([
"--memory",
"size=4G,hotplug_method=virtio-mem,hotplug_size=32G",
])
.args(["--memory", mem_params])
.args(["--balloon", "size=0"])
.args(["--kernel", kernel_path.to_str().unwrap()])
.args([
@ -5747,28 +5753,30 @@ mod common_parallel {
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_source,
None,
Some(6 << 30),
None,
Some(&event_path),
);
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_source,
None,
None,
Some(1 << 30),
Some(&event_path),
);
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);
if use_hotplug {
// Increase guest RAM with virtio-mem
resize_command(
&api_socket_source,
None,
Some(6 << 30),
None,
Some(&event_path),
);
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_source,
None,
None,
Some(1 << 30),
Some(&event_path),
);
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);
}
// Check the guest virtio-devices, e.g. block, rng, vsock, console, and net
guest.check_devices_common(Some(&socket), Some(&console_text), None);
@ -5921,18 +5929,22 @@ mod common_parallel {
// 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 > 4_800_000);
assert!(total_memory < 5_760_000);
// Deflate balloon to restore entire RAM to the VM
resize_command(&api_socket_restored, None, None, Some(0), None);
thread::sleep(std::time::Duration::new(5, 0));
assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
// Decrease guest RAM with virtio-mem
resize_command(&api_socket_restored, None, Some(5 << 30), None, 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);
if !use_hotplug {
assert!(guest.get_total_memory().unwrap_or_default() > 3_840_000);
} else {
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_restored, None, None, Some(0), None);
thread::sleep(std::time::Duration::new(5, 0));
assert!(guest.get_total_memory().unwrap_or_default() > 5_760_000);
// Decrease guest RAM with virtio-mem
resize_command(&api_socket_restored, None, Some(5 << 30), None, 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), None);
});