From nobody Sun Feb 8 09:37:33 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1531237153933640.4164710525017; Tue, 10 Jul 2018 08:39:13 -0700 (PDT) Received: from localhost ([::1]:48410 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcujO-00015P-Kr for importer@patchew.org; Tue, 10 Jul 2018 11:39:10 -0400 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) Received: from dgilbert-t530.redhat.com (ovpn-117-205.ams2.redhat.com [10.36.117.205]) by smtp.corp.redhat.com (Postfix) with ESMTP id 42514111AF2D; Tue, 10 Jul 2018 15:30:34 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, peterx@redhat.com, quintela@redhat.com 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> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Tue, 10 Jul 2018 15:30:34 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Tue, 10 Jul 2018 15:30:34 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'dgilbert@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PULL 13/15] tests: add postcopy recovery test X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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, con= st char *parameter, migrate_check_parameter(who, parameter, value); } =20 +static void migrate_pause(QTestState *who) +{ + QDict *rsp; + + rsp =3D 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 =3D g_strdup_printf( + "{ 'execute': 'migrate-recover', " + " 'id': 'recover-cmd', " + " 'arguments': { 'uri': '%s' } }", uri); + + rsp =3D 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); } =20 +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 =3D 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); =20 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); --=20 2.17.1