Re: [PULL 25/40] tests/qtest: migration: add reboot mode test

[Steven Sistare <steven.sistare@oracle.com>]

On 11/2/2023 7:40 AM, Juan Quintela wrote:
> From: Steve Sistare <steven.sistare@oracle.com>
> 
> [ Maintainer note:
> 
> I put the test as flaky because our CI has problems with shared
> memory.  We will remove the flaky bits as soon as we get a solution.
> ]

How about disabling the test for CI instead (which Fabiano suggested):

    if (!getenv("GITLAB_CI")) {
        qtest_add_func("/migration/mode/reboot", test_mode_reboot);

That immediately buys more coverage.  A fix for CI requires more thought.
If you agree, I will submit a match.

- Steve

> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> Reviewed-by: Juan Quintela <quintela@redhat.com>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> Message-ID: <1698263069-406971-7-git-send-email-steven.sistare@oracle.com>
> ---
>  tests/qtest/migration-test.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index bc70a14642..b7ebc23903 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -2026,6 +2026,31 @@ static void test_precopy_file_offset_bad(void)
>      test_file_common(&args, false);
>  }
>  
> +static void *test_mode_reboot_start(QTestState *from, QTestState *to)
> +{
> +    migrate_set_parameter_str(from, "mode", "cpr-reboot");
> +    migrate_set_parameter_str(to, "mode", "cpr-reboot");
> +
> +    migrate_set_capability(from, "x-ignore-shared", true);
> +    migrate_set_capability(to, "x-ignore-shared", true);
> +
> +    return NULL;
> +}
> +
> +static void test_mode_reboot(void)
> +{
> +    g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs,
> +                                           FILE_TEST_FILENAME);
> +    MigrateCommon args = {
> +        .start.use_shmem = true,
> +        .connect_uri = uri,
> +        .listen_uri = "defer",
> +        .start_hook = test_mode_reboot_start
> +    };
> +
> +    test_file_common(&args, true);
> +}
> +
>  static void test_precopy_tcp_plain(void)
>  {
>      MigrateCommon args = {
> @@ -3096,6 +3121,14 @@ int main(int argc, char **argv)
>      qtest_add_func("/migration/precopy/file/offset/bad",
>                     test_precopy_file_offset_bad);
>  
> +    /*
> +     * Our CI system has problems with shared memory.
> +     * Don't run this test until we find a workaround.
> +     */
> +    if (getenv("QEMU_TEST_FLAKY_TESTS")) {
> +        qtest_add_func("/migration/mode/reboot", test_mode_reboot);
> +    }
> +
>  #ifdef CONFIG_GNUTLS
>      qtest_add_func("/migration/precopy/unix/tls/psk",
>                     test_precopy_unix_tls_psk);