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/*
* QTest testcases for CPR
*
* Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
* based on the vhost-user-test.c that is:
* Copyright (c) 2014 Virtual Open Systems Sarl.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "libqtest.h"
#include "migration/framework.h"
#include "migration/migration-qmp.h"
#include "migration/migration-util.h"
static char *tmpfs;
static void *migrate_hook_start_mode_reboot(QTestState *from, QTestState *to)
{
migrate_set_parameter_str(from, "mode", "cpr-reboot");
migrate_set_parameter_str(to, "mode", "cpr-reboot");
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 = migrate_hook_start_mode_reboot,
.start = {
.caps[MIGRATION_CAPABILITY_X_IGNORE_SHARED] = true,
},
};
test_file_common(&args, true);
}
static void *test_mode_transfer_start(QTestState *from, QTestState *to)
{
migrate_set_parameter_str(from, "mode", "cpr-transfer");
return NULL;
}
/*
* cpr-transfer mode cannot use the target monitor prior to starting the
* migration, and cannot connect synchronously to the monitor, so defer
* the target connection.
*/
static void test_mode_transfer_common(bool incoming_defer)
{
g_autofree char *cpr_path = g_strdup_printf("%s/cpr.sock", tmpfs);
g_autofree char *mig_path = g_strdup_printf("%s/migsocket", tmpfs);
g_autofree char *uri = g_strdup_printf("unix:%s", mig_path);
g_autofree char *opts_target = NULL;
const char *opts = "-machine aux-ram-share=on -nodefaults";
g_autofree const char *cpr_channel = g_strdup_printf(
"cpr,addr.transport=socket,addr.type=unix,addr.path=%s",
cpr_path);
g_autofree char *connect_channels = g_strdup_printf(
"[ { 'channel-type': 'main',"
" 'addr': { 'transport': 'socket',"
" 'type': 'unix',"
" 'path': '%s' } } ]",
mig_path);
/*
* Set up a UNIX domain socket for the CPR channel before
* launching the destination VM, to avoid timing issues
* during connection setup.
*/
int cpr_sockfd = qtest_socket_server(cpr_path);
g_assert(cpr_sockfd >= 0);
opts_target = g_strdup_printf("-incoming cpr,addr.transport=socket,"
"addr.type=fd,addr.str=%d %s",
cpr_sockfd, opts);
MigrateCommon args = {
.start.opts_source = opts,
.start.opts_target = opts_target,
.start.defer_target_connect = true,
.start.memory_backend = "-object memory-backend-memfd,id=pc.ram,size=%s"
" -machine memory-backend=pc.ram",
.listen_uri = incoming_defer ? "defer" : uri,
.connect_channels = connect_channels,
.cpr_channel = cpr_channel,
.start_hook = test_mode_transfer_start,
};
test_precopy_common(&args);
}
static void test_mode_transfer(void)
{
test_mode_transfer_common(NULL);
}
static void test_mode_transfer_defer(void)
{
test_mode_transfer_common(true);
}
void migration_test_add_cpr(MigrationTestEnv *env)
{
tmpfs = env->tmpfs;
/* no tests in the smoke set for now */
if (!env->full_set) {
return;
}
/*
* Our CI system has problems with shared memory.
* Don't run this test until we find a workaround.
*/
if (getenv("QEMU_TEST_FLAKY_TESTS")) {
migration_test_add("/migration/mode/reboot", test_mode_reboot);
}
if (env->has_kvm) {
migration_test_add("/migration/mode/transfer", test_mode_transfer);
migration_test_add("/migration/mode/transfer/defer",
test_mode_transfer_defer);
}
}
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