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tests: Provide a function to start live migration

Browse Source 
This function starts the 'receive-migration' for the destination VM,
'send-migration' for the source VM, waits for the live-migration
completion, and prints debug information upon errors.

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2022-09-07 13:55:00 -07:00 committed by Sebastien Boeuf
parent 4e91199ff8
commit d5481cddcf
1 changed files with 78 additions and 131 deletions
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209
tests/integration.rs
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@ -8230,6 +8230,82 @@ mod vfio {
mod live_migration {
use crate::*;
fn start_live_migration(
migration_socket: &str,
src_api_socket: &str,
dest_api_socket: &str,
local: bool,
) -> bool {
// Start to receive migration from the destintion VM
let mut receive_migration = Command::new(clh_command("ch-remote"))
.args(&[
&format!("--api-socket={}", dest_api_socket),
"receive-migration",
&format! {"unix:{}", migration_socket},
])
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// Give it '1s' to make sure the 'migration_socket' file is properly created
thread::sleep(std::time::Duration::new(1, 0));
// Start to send migration from the source VM
let mut args = [
format!("--api-socket={}", &src_api_socket),
"send-migration".to_string(),
format! {"unix:{}", migration_socket},
]
.to_vec();
if local {
args.insert(2, "--local".to_string());
}
let mut send_migration = Command::new(clh_command("ch-remote"))
.args(&args)
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// The 'send-migration' command should be executed successfully within the given timeout
let send_success = if let Some(status) = send_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !send_success {
let _ = send_migration.kill();
let output = send_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'send_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'send_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
// The 'receive-migration' command should be executed successfully within the given timeout
let receive_success = if let Some(status) = receive_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !receive_success {
let _ = receive_migration.kill();
let output = receive_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'receive_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'receive_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
send_success && receive_success
}
// This test exercises the local live-migration between two Cloud Hypervisor VMs on the
// same host. It ensures the following behaviors:
// 1. The source VM is up and functional (including various virtio-devices are working properly);
@ -8462,74 +8538,9 @@ mod live_migration {
.to_str()
.unwrap(),
);
// Start to receive migration from the destintion VM
let mut receive_migration = Command::new(clh_command("ch-remote"))
.args(&[
&format!("--api-socket={}", &dest_api_socket),
"receive-migration",
&format! {"unix:{}", migration_socket},
])
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// Give it '1s' to make sure the 'migration_socket' file is properly created
thread::sleep(std::time::Duration::new(1, 0));
// Start to send migration from the source VM
let mut args = [
format!("--api-socket={}", &src_api_socket),
"send-migration".to_string(),
format! {"unix:{}", migration_socket},
]
.to_vec();
if local {
args.insert(2, "--local".to_string());
}
let mut send_migration = Command::new(clh_command("ch-remote"))
.args(&args)
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// The 'send-migration' command should be executed successfully within the given timeout
let success = if let Some(status) = send_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !success {
let _ = send_migration.kill();
let output = send_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'send_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'send_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
// The 'receive-migration' command should be executed successfully within the given timeout
let success = if let Some(status) = receive_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !success {
let _ = receive_migration.kill();
let output = receive_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'receive_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'receive_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
assert!(
success,
start_live_migration(&migration_socket, &src_api_socket, &dest_api_socket, local),
"Unsuccessful command: 'send-migration' or 'receive-migration'."
);
});
@ -8724,73 +8735,9 @@ mod live_migration {
.to_str()
.unwrap(),
);
// Start to receive migration from the destintion VM
let mut receive_migration = Command::new(clh_command("ch-remote"))
.args(&[
&format!("--api-socket={}", &dest_api_socket),
"receive-migration",
&format! {"unix:{}", migration_socket},
])
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// Give it '1s' to make sure the 'migration_socket' file is properly created
thread::sleep(std::time::Duration::new(1, 0));
// Start to send migration from the source VM
let mut args = [
format!("--api-socket={}", &src_api_socket),
"send-migration".to_string(),
format! {"unix:{}", migration_socket},
]
.to_vec();
if local {
args.insert(2, "--local".to_string());
}
let mut send_migration = Command::new(clh_command("ch-remote"))
.args(&args)
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap();
// The 'send-migration' command should be executed successfully within the given timeout
let success = if let Some(status) = send_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !success {
let _ = send_migration.kill();
let output = send_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'send_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'send_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
// The 'receive-migration' command should be executed successfully within the given timeout
let success = if let Some(status) = receive_migration
.wait_timeout(std::time::Duration::from_secs(30))
.unwrap()
{
status.success()
} else {
false
};
if !success {
let _ = receive_migration.kill();
let output = receive_migration.wait_with_output().unwrap();
eprintln!("\n\n==== Start 'receive_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'receive_migration' output ====\n\n",
String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
}
assert!(
success,
start_live_migration(&migration_socket, &src_api_socket, &dest_api_socket, local),
"Unsuccessful command: 'send-migration' or 'receive-migration'."
);
});