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pyocf: extend ErrorDevice to inject error on flush and discard

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2022-06-15 17:43:18 +02:00
committed by Jan Musial
parent 8b83f0f164
commit e2ea2b41e6
2 changed files with 51 additions and 33 deletions
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21
tests/functional/tests/surprise_shutdown/test_management_surprise_shutdown.py
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@@ -70,7 +70,10 @@ def prepare_failover(pyocf_2_ctx, cache_backend_vol, error_io_seq_no):
error_io = {IoDir.WRITE: error_io_seq_no}
err_vol = ErrorDevice(cache2_exp_obj_vol, error_seq_no=error_io, armed=False)
# TODO: Adjust tests to work with error injection for flushes and discards (data_only=False
# below). Currently the test fails with data_only=False as it assumes metadata is not updated
# if error had been injected, which is not true in case of error in flush.
err_vol = ErrorDevice(cache2_exp_obj_vol, error_seq_no=error_io, data_only=True, armed=False)
cache = Cache.start_on_device(err_vol, cache_mode=CacheMode.WB, owner=ctx1)
return cache, cache2, err_vol
@@ -81,7 +84,7 @@ def prepare_normal(pyocf_2_ctx, cache_backend_vol, error_io_seq_no):
error_io = {IoDir.WRITE: error_io_seq_no}
err_vol = ErrorDevice(cache_backend_vol, error_seq_no=error_io, armed=False)
err_vol = ErrorDevice(cache_backend_vol, error_seq_no=error_io, data_only=True, armed=False)
cache = Cache.start_on_device(err_vol, cache_mode=CacheMode.WB, owner=ctx1)
return cache, err_vol
@@ -330,9 +333,11 @@ def test_surprise_shutdown_start_cache(pyocf_2_ctx, failover):
cache2.start_cache()
cache2.standby_attach(ramdisk)
cache2_exp_obj_vol = CacheVolume(cache2, open=True)
err_device = ErrorDevice(cache2_exp_obj_vol, error_seq_no=error_io, armed=True)
err_device = ErrorDevice(
cache2_exp_obj_vol, error_seq_no=error_io, data_only=True, armed=True
)
else:
err_device = ErrorDevice(ramdisk, error_seq_no=error_io, armed=True)
err_device = ErrorDevice(ramdisk, error_seq_no=error_io, data_only=True, armed=True)
# call tested management function
try:
@@ -808,7 +813,7 @@ def test_surprise_shutdown_standby_activate(pyocf_ctx):
# Start cache device without error injection
error_io = {IoDir.WRITE: error_io_seq_no}
ramdisk = RamVolume(mngmt_op_surprise_shutdown_test_cache_size)
device = ErrorDevice(ramdisk, error_seq_no=error_io, armed=False)
device = ErrorDevice(ramdisk, error_seq_no=error_io, data_only=True, rmed=False)
core_device = RamVolume(S.from_MiB(10))
device.disarm()
@@ -882,7 +887,7 @@ def test_surprise_shutdown_standby_init_clean(pyocf_ctx):
# Start cache device without error injection
error_io = {IoDir.WRITE: error_io_seq_no}
ramdisk = RamVolume(mngmt_op_surprise_shutdown_test_cache_size)
device = ErrorDevice(ramdisk, error_seq_no=error_io, armed=True)
device = ErrorDevice(ramdisk, error_seq_no=error_io, data_only=True, armed=True)
cache = Cache(owner=OcfCtx.get_default())
cache.start_cache()
@@ -942,7 +947,7 @@ def test_surprise_shutdown_standby_init_force_1(pyocf_ctx):
# Start cache device without error injection
error_io = {IoDir.WRITE: error_io_seq_no}
ramdisk = RamVolume(mngmt_op_surprise_shutdown_test_cache_size)
device = ErrorDevice(ramdisk, error_seq_no=error_io, armed=False)
device = ErrorDevice(ramdisk, error_seq_no=error_io, data_only=True, armed=False)
# start and stop cache with cacheline inserted
cache = Cache.start_on_device(device, cache_mode=CacheMode.WB)
@@ -1032,7 +1037,7 @@ def test_surprise_shutdown_standby_init_force_2(pyocf_ctx):
# Start cache device without error injection
error_io = {IoDir.WRITE: error_io_seq_no}
ramdisk = RamVolume(mngmt_op_surprise_shutdown_test_cache_size)
device = ErrorDevice(ramdisk, error_seq_no=error_io, armed=False)
device = ErrorDevice(ramdisk, error_seq_no=error_io, data_only=True, armed=False)
# start and stop cache with cacheline inserted
cache = Cache.start_on_device(device, cache_mode=CacheMode.WB)