From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40910) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcub7-0003GW-KI for qemu-devel@nongnu.org; Tue, 10 Jul 2018 11:30:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fcub5-0003Ra-G9 for qemu-devel@nongnu.org; Tue, 10 Jul 2018 11:30:37 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:45250 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 1fcub5-0003RE-Ad for qemu-devel@nongnu.org; Tue, 10 Jul 2018 11:30:35 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EBF3E77889 for ; Tue, 10 Jul 2018 15:30:34 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" Date: Tue, 10 Jul 2018 16:30:14 +0100 Message-Id: <20180710153016.131258-14-dgilbert@redhat.com> In-Reply-To: <20180710153016.131258-1-dgilbert@redhat.com> References: <20180710153016.131258-1-dgilbert@redhat.com> Subject: [Qemu-devel] [PULL 13/15] tests: add postcopy recovery test List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, peterx@redhat.com, quintela@redhat.com From: Peter Xu Test the postcopy recovery procedure by emulating a network failure using migrate-pause command. Tested-by: Balamuruhan S Signed-off-by: Peter Xu Message-Id: <20180710091902.28780-10-peterx@redhat.com> Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Dr. David Alan Gilbert --- tests/migration-test.c | 80 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/tests/migration-test.c b/tests/migration-test.c index 4c15071893..d8b2633fce 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) { @@ -608,6 +631,62 @@ static void test_postcopy(void) migrate_postcopy_complete(from, to); } +static void test_postcopy_recovery(void) +{ + QTestState *from, *to; + char *uri; + + if (migrate_postcopy_prepare(&from, &to)) { + return; + } + + /* 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; @@ -698,6 +777,7 @@ 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