[PULL,11/25] tests/qtest: failover: test migration if the guest doesn't support failover

Commit Message

Thomas Huth Feb. 21, 2022, 11:59 a.m. UTC

From: Laurent Vivier <[e-mail]>

The primary device is not plugged and the migration is done only with
the standby device

Signed-off-by: Laurent Vivier <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Thomas Huth <[e-mail]>
---
 tests/qtest/virtio-net-failover.c | 142 ++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)

Patch

diff --git a/tests/qtest/virtio-net-failover.c b/tests/qtest/virtio-net-failover.c
index c99599bdcc..54a0a03241 100644
--- a/tests/qtest/virtio-net-failover.c
+++ b/tests/qtest/virtio-net-failover.c
@@ -944,6 +944,144 @@  static void test_off_migrate_in(gconstpointer opaque)
     machine_stop(qts);
 }
 
+static void test_guest_off_migrate_out(gconstpointer opaque)
+{
+    QTestState *qts;
+    QDict *resp, *args, *ret;
+    g_autofree gchar *uri = g_strdup_printf("exec: cat > %s", (gchar *)opaque);
+    const gchar *status;
+    QVirtioPCIDevice *vdev;
+    uint64_t features;
+
+    qts = machine_start(BASE_MACHINE
+                     "-netdev user,id=hs0 "
+                     "-netdev user,id=hs1 ",
+                     2);
+
+    check_one_card(qts, false, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qtest_qmp_device_add(qts, "virtio-net", "standby0",
+                         "{'bus': 'root0',"
+                         "'failover': 'on',"
+                         "'netdev': 'hs0',"
+                         "'mac': '"MAC_STANDBY0"'}");
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qtest_qmp_device_add(qts, "virtio-net", "primary0",
+                         "{'bus': 'root1',"
+                         "'failover_pair_id': 'standby0',"
+                         "'netdev': 'hs1',"
+                         "'rombar': 0,"
+                         "'romfile': '',"
+                         "'mac': '"MAC_PRIMARY0"'}");
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    features = ~(QVIRTIO_F_BAD_FEATURE |
+                 (1ull << VIRTIO_RING_F_INDIRECT_DESC) |
+                 (1ull << VIRTIO_RING_F_EVENT_IDX) |
+                 (1ull << VIRTIO_NET_F_STANDBY));
+
+    vdev = start_virtio_net_internal(qts, 1, 0, &features);
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    args = qdict_from_jsonf_nofail("{}");
+    g_assert_nonnull(args);
+    qdict_put_str(args, "uri", uri);
+
+    resp = qtest_qmp(qts, "{ 'execute': 'migrate', 'arguments': %p}", args);
+    g_assert(qdict_haskey(resp, "return"));
+    qobject_unref(resp);
+
+    while (true) {
+        ret = migrate_status(qts);
+
+        status = qdict_get_str(ret, "status");
+        if (strcmp(status, "completed") == 0) {
+            qobject_unref(ret);
+            break;
+        }
+        g_assert_cmpstr(status, !=, "failed");
+        g_assert_cmpstr(status, !=, "cancelling");
+        g_assert_cmpstr(status, !=, "cancelled");
+        qobject_unref(ret);
+    }
+
+    qtest_qmp_eventwait(qts, "STOP");
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qos_object_destroy((QOSGraphObject *)vdev);
+    machine_stop(qts);
+}
+
+static void test_guest_off_migrate_in(gconstpointer opaque)
+{
+    QTestState *qts;
+    QDict *resp, *args, *ret;
+    g_autofree gchar *uri = g_strdup_printf("exec: cat %s", (gchar *)opaque);
+
+    qts = machine_start(BASE_MACHINE
+                     "-netdev user,id=hs0 "
+                     "-netdev user,id=hs1 "
+                     "-incoming defer ",
+                     2);
+
+    check_one_card(qts, false, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qtest_qmp_device_add(qts, "virtio-net", "standby0",
+                         "{'bus': 'root0',"
+                         "'failover': 'on',"
+                         "'netdev': 'hs0',"
+                         "'mac': '"MAC_STANDBY0"'}");
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qtest_qmp_device_add(qts, "virtio-net", "primary0",
+                         "{'bus': 'root1',"
+                         "'failover_pair_id': 'standby0',"
+                         "'netdev': 'hs1',"
+                         "'rombar': 0,"
+                         "'romfile': '',"
+                         "'mac': '"MAC_PRIMARY0"'}");
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    args = qdict_from_jsonf_nofail("{}");
+    g_assert_nonnull(args);
+    qdict_put_str(args, "uri", uri);
+
+    resp = qtest_qmp(qts, "{ 'execute': 'migrate-incoming', 'arguments': %p}",
+                     args);
+    g_assert(qdict_haskey(resp, "return"));
+    qobject_unref(resp);
+
+    resp = get_migration_event(qts);
+    g_assert_cmpstr(qdict_get_str(resp, "status"), ==, "setup");
+    qobject_unref(resp);
+
+    check_one_card(qts, true, "standby0", MAC_STANDBY0);
+    check_one_card(qts, false, "primary0", MAC_PRIMARY0);
+
+    qtest_qmp_eventwait(qts, "RESUME");
+
+    ret = migrate_status(qts);
+    g_assert_cmpstr(qdict_get_str(ret, "status"), ==, "completed");
+    qobject_unref(ret);
+
+    machine_stop(qts);
+}
+
 static void test_migrate_abort_wait_unplug(gconstpointer opaque)
 {
     QTestState *qts;
@@ -1531,6 +1669,10 @@  int main(int argc, char **argv)
                         test_off_migrate_out);
     qtest_add_data_func("failover-virtio-net/migrate/off/in", tmpfile,
                         test_off_migrate_in);
+    qtest_add_data_func("failover-virtio-net/migrate/guest_off/out", tmpfile,
+                        test_guest_off_migrate_out);
+    qtest_add_data_func("failover-virtio-net/migrate/guest_off/in", tmpfile,
+                        test_guest_off_migrate_in);
     qtest_add_data_func("failover-virtio-net/migrate/abort/wait-unplug",
                         tmpfile, test_migrate_abort_wait_unplug);
     qtest_add_data_func("failover-virtio-net/migrate/abort/active", tmpfile,