Security test for cache exported object

Signed-off-by: Jan Musial <jan.musial@intel.com>

tests/functional/tests/security/test_failover_security.py

@@ -0,0 +1,80 @@
+#
+# Copyright(c) 2022 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import pytest
+import logging
+from datetime import datetime
+
+from pyocf.types.volume_cache import CacheVolume
+from pyocf.types.volume import RamVolume
+from pyocf.types.cache import Cache, CacheMetadataSegment, CacheMode
+from pyocf.utils import Size
+from pyocf.types.shared import CacheLineSize, OcfError, OcfErrorCode
+from pyocf.types.ctx import OcfCtx
+from pyocf.rio import Rio, ReadWrite
+from pyocf.helpers import get_metadata_segment_size, get_metadata_segment_page_location
+from tests.utils.random import RandomGenerator
+
+logger = logging.getLogger(__name__)
+
+
+@pytest.mark.security
+@pytest.mark.parametrize("cache_line_size", CacheLineSize)
+@pytest.mark.parametrize(
+    "bs",
+    [
+        Size.from_B(512),
+        Size.from_KiB(1),
+        Size.from_KiB(18),
+        Size.from_KiB(128),
+    ],
+)
+@pytest.mark.parametrize(
+    "io_size",
+    [
+        Size.from_B(512),
+        Size.from_KiB(10),
+        Size.from_MiB(1),
+        Size.from_MiB(10),
+        Size.from_GiB(1),
+    ],
+)
+@pytest.mark.parametrize("section", CacheMetadataSegment)
+def test_garbage_on_cache_exported_object(pyocf_ctx, cache_line_size, bs, io_size, section):
+    num_jobs = 1
+    qd = 64
+
+    vol_size = Size.from_MiB(100)
+    cache_vol = RamVolume(vol_size)
+    secondary_cache_volume = RamVolume(vol_size)
+
+    cache = Cache(owner=OcfCtx.get_default(), cache_line_size=cache_line_size)
+
+    cache.start_cache(init_default_io_queue=False)
+
+    for i in range(num_jobs):
+        cache.add_io_queue(f"io-queue-{i}")
+
+    cache.standby_attach(cache_vol)
+
+    cache_exp_vol = CacheVolume(cache)
+
+    seed = next(RandomGenerator())
+    r = (
+        Rio()
+        .target(cache_exp_vol)
+        .njobs(num_jobs)
+        .readwrite(ReadWrite.RANDWRITE)
+        .io_size(io_size)
+        .randseed(seed)
+        .bs(bs)
+        .qd(qd)
+        .norandommap()
+        .run(cache.io_queues)
+    )
+
+    cache.standby_detach()
+    with pytest.raises(OcfError):
+        cache.standby_activate(secondary_cache_volume, open_cores=False)