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migration-test: defer connection

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Add an option to defer connection to the target monitor, needed by the
cpr-transfer test.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/1736967650-129648-21-git-send-email-steven.sistare@oracle.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Steve Sistare 2025-01-15 11:00:46 -08:00 committed by Fabiano Rosas
parent 5357ef823a
commit f5bac78cd8
2 changed files with 22 additions and 3 deletions
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20
tests/qtest/migration/framework.c
View File

@ -223,6 +223,7 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
const char *bootpath;
g_autoptr(QList) capabilities = migrate_start_get_qmp_capabilities(args);
g_autofree char *memory_backend = NULL;
const char *events;
if (args->use_shmem) {
if (!g_file_test("/dev/shm", G_FILE_TEST_IS_DIR)) {
@ -340,22 +341,30 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
&src_state);
}
/*
* If the monitor connection is deferred, enable events on the command line
* so none are missed. This is for testing only, do not set migration
* options like this in general.
*/
events = args->defer_target_connect ? "-global migration.x-events=on" : "";
cmd_target = g_strdup_printf("-accel kvm%s -accel tcg "
"-machine %s,%s "
"-name target,debug-threads=on "
"%s "
"-serial file:%s/dest_serial "
"-incoming %s "
"%s %s %s %s",
"%s %s %s %s %s",
kvm_opts ? kvm_opts : "",
machine, machine_opts,
memory_backend, tmpfs, uri,
events,
arch_opts ? arch_opts : "",
shmem_opts ? shmem_opts : "",
args->opts_target ? args->opts_target : "",
ignore_stderr);
*to = qtest_init_with_env_and_capabilities(QEMU_ENV_DST, cmd_target,
capabilities, true);
capabilities, !args->defer_target_connect);
qtest_qmp_set_event_callback(*to,
migrate_watch_for_events,
&dst_state);
@ -373,7 +382,9 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
* to mimic as closer as that.
*/
migrate_set_capability(*from, "events", true);
if (!args->defer_target_connect) {
migrate_set_capability(*to, "events", true);
}
return 0;
}
@ -733,6 +744,11 @@ void test_precopy_common(MigrateCommon *args)
migrate_qmp(from, to, args->connect_uri, args->connect_channels, "{}");
if (args->start.defer_target_connect) {
qtest_connect(to);
qtest_qmp_handshake(to, NULL);
}
if (args->result != MIG_TEST_SUCCEED) {
bool allow_active = args->result == MIG_TEST_FAIL;
wait_for_migration_fail(from, allow_active);

3
tests/qtest/migration/framework.h
View File

@ -116,6 +116,9 @@ typedef struct {
* size is plugged in. If omitted, "-m %s" is used.
*/
const char *memory_backend;
/* Do not connect to target monitor and qtest sockets in qtest_init */
bool defer_target_connect;
} MigrateStart;
typedef enum PostcopyRecoveryFailStage {