From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54464) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcooG-0003MZ-Gi for qemu-devel@nongnu.org; Tue, 10 Jul 2018 05:19:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fcooF-00037N-F8 for qemu-devel@nongnu.org; Tue, 10 Jul 2018 05:19:48 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:40152 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fcooF-00036x-9n for qemu-devel@nongnu.org; Tue, 10 Jul 2018 05:19:47 -0400 From: Peter Xu Date: Tue, 10 Jul 2018 17:19:01 +0800 Message-Id: <20180710091902.28780-10-peterx@redhat.com> In-Reply-To: <20180710091902.28780-1-peterx@redhat.com> References: <20180710091902.28780-1-peterx@redhat.com> Subject: [Qemu-devel] [PATCH for-3.0 v2 09/10] tests: add postcopy recovery test List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peterx@redhat.com, Juan Quintela , "Dr . David Alan Gilbert" , Balamuruhan S Test the postcopy recovery procedure by emulating a network failure using migrate-pause command. Tested-by: Balamuruhan S Signed-off-by: Peter Xu --- tests/migration-test.c | 78 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/tests/migration-test.c b/tests/migration-test.c index 761bf62ffe..e952d94529 100644 --- a/tests/migration-test.c +++ b/tests/migration-test.c @@ -352,6 +352,29 @@ static void migrate_set_parameter(QTestState *who, const char *parameter, migrate_check_parameter(who, parameter, value); } +static void migrate_pause(QTestState *who) +{ + QDict *rsp; + + rsp = wait_command(who, "{ 'execute': 'migrate-pause' }"); + g_assert(qdict_haskey(rsp, "return")); + qobject_unref(rsp); +} + +static void migrate_recover(QTestState *who, const char *uri) +{ + QDict *rsp; + gchar *cmd = g_strdup_printf( + "{ 'execute': 'migrate-recover', " + " 'id': 'recover-cmd', " + " 'arguments': { 'uri': '%s' } }", uri); + + rsp = wait_command(who, cmd); + g_assert(qdict_haskey(rsp, "return")); + g_free(cmd); + qobject_unref(rsp); +} + static void migrate_set_capability(QTestState *who, const char *capability, const char *value) { @@ -597,6 +620,60 @@ static void test_postcopy(void) migrate_postcopy_complete(from, to); } +static void test_postcopy_recovery(void) +{ + QTestState *from, *to; + char *uri; + + migrate_postcopy_prepare(&from, &to); + + /* Turn postcopy speed down, 4K/s is slow enough on any machines */ + migrate_set_parameter(from, "max-postcopy-bandwidth", "4096"); + + /* Now we start the postcopy */ + migrate_postcopy_start(from, to); + + /* + * Wait until postcopy is really started; we can only run the + * migrate-pause command during a postcopy + */ + wait_for_migration_status(from, "postcopy-active"); + + /* + * Manually stop the postcopy migration. This emulates a network + * failure with the migration socket + */ + migrate_pause(from); + + /* + * Wait for destination side to reach postcopy-paused state. The + * migrate-recover command can only succeed if destination machine + * is in the paused state + */ + wait_for_migration_status(to, "postcopy-paused"); + + /* + * Create a new socket to emulate a new channel that is different + * from the broken migration channel; tell the destination to + * listen to the new port + */ + uri = g_strdup_printf("unix:%s/migsocket-recover", tmpfs); + migrate_recover(to, uri); + + /* + * Try to rebuild the migration channel using the resume flag and + * the newly created channel + */ + wait_for_migration_status(from, "postcopy-paused"); + migrate(from, uri, ", 'resume': true"); + g_free(uri); + + /* Restore the postcopy bandwidth to unlimited */ + migrate_set_parameter(from, "max-postcopy-bandwidth", "0"); + + migrate_postcopy_complete(from, to); +} + static void test_baddest(void) { QTestState *from, *to; @@ -683,6 +760,7 @@ int main(int argc, char **argv) module_call_init(MODULE_INIT_QOM); qtest_add_func("/migration/postcopy/unix", test_postcopy); + qtest_add_func("/migration/postcopy/recovery", test_postcopy_recovery); qtest_add_func("/migration/deprecated", test_deprecated); qtest_add_func("/migration/bad_dest", test_baddest); qtest_add_func("/migration/precopy/unix", test_precopy_unix); -- 2.17.1