Re: [PATCH v4 17/19] tests: Add postcopy tls migration test

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, Mar 31, 2022 at 11:08:55AM -0400, Peter Xu wrote:
> We just added TLS tests for precopy but not postcopy.  Add the
> corresponding test for vanilla postcopy.
> 
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
>  tests/qtest/migration-test.c | 43 +++++++++++++++++++++++++++++++-----
>  1 file changed, 37 insertions(+), 6 deletions(-)
> 
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index d9f444ea14..80c4244871 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -481,6 +481,10 @@ typedef struct {
>      bool only_target;
>      /* Use dirty ring if true; dirty logging otherwise */
>      bool use_dirty_ring;
> +    /* Whether use TLS channels for postcopy test? */
> +    bool postcopy_tls;
> +    /* Used only if postcopy_tls==true, to cache the data object */
> +    void *postcopy_tls_data;
>      const char *opts_source;
>      const char *opts_target;
>  } MigrateStart;
> @@ -980,6 +984,10 @@ static int migrate_postcopy_prepare(QTestState **from_ptr,
>          return -1;
>      }
>  
> +    if (args->postcopy_tls) {
> +        args->postcopy_tls_data = test_migrate_tls_psk_start_match(from, to);
> +    }
> +
>      migrate_set_capability(from, "postcopy-ram", true);
>      migrate_set_capability(to, "postcopy-ram", true);
>      migrate_set_capability(to, "postcopy-blocktime", true);
> @@ -1004,7 +1012,8 @@ static int migrate_postcopy_prepare(QTestState **from_ptr,
>      return 0;
>  }
>  
> -static void migrate_postcopy_complete(QTestState *from, QTestState *to)
> +static void migrate_postcopy_complete(QTestState *from, QTestState *to,
> +                                      MigrateStart *args)
>  {
>      wait_for_migration_complete(from);
>  
> @@ -1015,19 +1024,38 @@ static void migrate_postcopy_complete(QTestState *from, QTestState *to)
>          read_blocktime(to);
>      }
>  
> +    if (args->postcopy_tls) {
> +        assert(args->postcopy_tls_data);
> +        test_migrate_tls_psk_finish(from, to, args->postcopy_tls_data);
> +        args->postcopy_tls_data = NULL;
> +    }
> +
>      test_migrate_end(from, to, true);
>  }
>  
> -static void test_postcopy(void)
> +static void test_postcopy_common(MigrateStart *args)
>  {
> -    MigrateStart args = {};
>      QTestState *from, *to;
>  
> -    if (migrate_postcopy_prepare(&from, &to, &args)) {
> +    if (migrate_postcopy_prepare(&from, &to, args)) {
>          return;
>      }
>      migrate_postcopy_start(from, to);
> -    migrate_postcopy_complete(from, to);
> +    migrate_postcopy_complete(from, to, args);
> +}
> +
> +static void test_postcopy(void)
> +{
> +    MigrateStart args = { };
> +
> +    test_postcopy_common(&args);
> +}
> +
> +static void test_postcopy_tls(void)

test_postcopy_tls_psk() 

> +{
> +    MigrateStart args = { .postcopy_tls = true };
> +
> +    test_postcopy_common(&args);
>  }
>  
>  static void test_postcopy_recovery(void)
> @@ -1089,7 +1117,7 @@ static void test_postcopy_recovery(void)
>      /* Restore the postcopy bandwidth to unlimited */
>      migrate_set_parameter_int(from, "max-postcopy-bandwidth", 0);
>  
> -    migrate_postcopy_complete(from, to);
> +    migrate_postcopy_complete(from, to, &args);
>  }
>  
>  static void test_baddest(void)
> @@ -2134,6 +2162,9 @@ int main(int argc, char **argv)
>  
>      qtest_add_func("/migration/postcopy/unix", test_postcopy);

Rename this to /migration/postcopy/unix/plain

>      qtest_add_func("/migration/postcopy/recovery", test_postcopy_recovery);
> +#ifdef CONFIG_GNUTLS
> +    qtest_add_func("/migration/postcopy/tls", test_postcopy_tls);

And this to /migration/postcopy/unix/tls/psk  so we match the precopy test
naming convention I started

> +#endif /* CONFIG_GNUTLS */
>      qtest_add_func("/migration/bad_dest", test_baddest);
>      qtest_add_func("/migration/precopy/unix/plain", test_precopy_unix_plain);
>      qtest_add_func("/migration/precopy/unix/xbzrle", test_precopy_unix_xbzrle);
> -- 
> 2.32.0
> 

With regards,
Daniel
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