tests: Add integration test for coredump
As coredump function is to make a vmcore for crash tool to analyze,
in order not to introduce a big thing in integration, we just check
if ch-remote command runs no error report here.
@@ -158,6 +158,11 @@ fn temp_snapshot_dir_path(tmp_dir: &TempDir) -> String {
snapshot_dir
}
+fn temp_vmcore_file_path(tmp_dir: &TempDir) -> String {
+ let vmcore_file = String::from(tmp_dir.as_path().join("vmcore").to_str().unwrap());
+ vmcore_file
+}
+
// Creates the path for direct kernel boot and return the path.
// For x86_64, this function returns the vmlinux kernel path.
// For AArch64, this function returns the PE kernel path.
@@ -5631,6 +5636,56 @@ mod parallel {
handle_child_output(r, &output);
}
+ #[test]
+ #[cfg(feature = "guest_debug")]
+ fn test_coredump() {
+ let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
+ let guest = Guest::new(Box::new(focal));
+ let api_socket = temp_api_path(&guest.tmp_dir);
+
+ let mut cmd = GuestCommand::new(&guest);
+ cmd.args(&["--cpus", "boot=4"])
+ .args(&["--memory", "size=4G"])
+ .args(&["--kernel", fw_path(FwType::RustHypervisorFirmware).as_str()])
+ .default_disks()
+ .args(&["--net", guest.default_net_string().as_str()])
+ .args(&["--api-socket", &api_socket])
+ .capture_output();
+
+ let mut child = cmd.spawn().unwrap();
+ let vmcore_file = temp_vmcore_file_path(&guest.tmp_dir);
+
+ let r = std::panic::catch_unwind(|| {
+ guest.wait_vm_boot(None).unwrap();
+
+ assert!(remote_command(&api_socket, "pause", None));
+
+ assert!(remote_command(
+ &api_socket,
+ "coredump",
+ Some(format!("file://{}", vmcore_file).as_str()),
+ ));
+
+ // the num of CORE notes should equals to vcpu
+ let readelf_core_num_cmd = format!(
+ "readelf --all {} |grep CORE |grep -v Type |wc -l",
+ vmcore_file
+ );
+ let core_num_in_elf = exec_host_command_output(&readelf_core_num_cmd);
+ assert_eq!(String::from_utf8_lossy(&core_num_in_elf.stdout).trim(), "4");
+
+ // the num of QEMU notes should equals to vcpu
+ let readelf_vmm_num_cmd = format!("readelf --all {} |grep QEMU |wc -l", vmcore_file);
+ let vmm_num_in_elf = exec_host_command_output(&readelf_vmm_num_cmd);
+ assert_eq!(String::from_utf8_lossy(&vmm_num_in_elf.stdout).trim(), "4");
+ });
+
+ let _ = child.kill();
+ let output = child.wait_with_output().unwrap();
+
+ handle_child_output(r, &output);
+ }
+
#[test]
fn test_watchdog() {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
