[v3,2/4] tests/test-replication.c: Add test for ignoring requests after failover

Commit Message

Lukas Straub Sept. 3, 2019, 9:20 a.m. UTC

This simulates the case that happens when we resume COLO after failover.

Signed-off-by: Lukas Straub <[e-mail]>
---
 tests/test-replication.c | 52 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

--
2.20.1

Patch

diff --git a/tests/test-replication.c b/tests/test-replication.c
index f085d1993a..4502a6f816 100644
--- a/tests/test-replication.c
+++ b/tests/test-replication.c
@@ -489,6 +489,56 @@  static void test_secondary_stop(void)
     teardown_secondary();
 }

+static void test_secondary_failover_then_ignore_requests(void)
+{
+    BlockBackend *top_blk, *local_blk;
+    Error *local_err = NULL;
+
+    top_blk = start_secondary();
+    replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+    g_assert(!local_err);
+
+    /* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+    local_blk = blk_by_name(S_LOCAL_DISK_ID);
+    test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
+
+    /* replication will backup s_local_disk to s_hidden_disk */
+    test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
+                  IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+    /* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
+    test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
+
+    /* do failover (active commit) */
+    replication_stop_all( true, &local_err);
+    g_assert(!local_err);
+
+    /* it should ignore all requests from now on */
+
+    /* start after failover */
+    replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
+    g_assert(!local_err);
+
+    /* checkpoint */
+    replication_do_checkpoint_all(&local_err);
+    g_assert(!local_err);
+
+    /* stop */
+    replication_stop_all( true, &local_err);
+    g_assert(!local_err);
+
+    /* read from s_local_disk (0, IMG_SIZE / 2) */
+    test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
+                  0, IMG_SIZE / 2, false);
+
+
+    /* read from s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
+    test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
+                  IMG_SIZE / 2, 0, IMG_SIZE, false);
+
+    teardown_secondary();
+}
+
 static void test_secondary_do_checkpoint(void)
 {
     BlockBackend *top_blk, *local_blk;
@@ -584,6 +634,8 @@  int main(int argc, char **argv)
     g_test_add_func("/replication/secondary/write", test_secondary_write);
     g_test_add_func("/replication/secondary/start", test_secondary_start);
     g_test_add_func("/replication/secondary/stop",  test_secondary_stop);
+    g_test_add_func("/replication/secondary/failover_then_ignore_requests",
+                    test_secondary_failover_then_ignore_requests);
     g_test_add_func("/replication/secondary/do_checkpoint",
                     test_secondary_do_checkpoint);
     g_test_add_func("/replication/secondary/get_error_all",