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Merge pull request #1236 from KlaudiaJ/standby-start-stop

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Tests: Add test_standby_start_stop
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Robert Baldyga 2022-07-18 11:16:54 +02:00 committed by GitHub
commit 5190c1dd8b
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1 changed files with 64 additions and 5 deletions
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69
test/functional/tests/cli/test_cli_standby.py
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@ -235,7 +235,7 @@ def test_standby_neg_cli_management():
cli.flush_core_cmd(str(cache_id), "1"),
cli.load_io_classes_cmd(str(cache_id), ioclass_config_path),
cli.list_io_classes_cmd(str(cache_id), output_format="csv"),
cli.script_try_add_cmd(str(cache_id), core_device.path, core_id=1),
cli.script_try_add_cmd(str(cache_id), core_device.path, core_id="1"),
cli.script_purge_cache_cmd(str(cache_id)),
cli.script_purge_core_cmd(str(cache_id), "1"),
cli.script_detach_core_cmd(str(cache_id), "1"),
@ -414,10 +414,10 @@ def test_activate_neg_cache_line_size():
dd_count = int(md_size / Size(1, Unit.MebiByte)) + 1
(
Dd().input(active_cache_dev.path)
.output(md_dump.full_path)
.block_size(Size(1, Unit.MebiByte))
.count(dd_count)
.run()
.output(md_dump.full_path)
.block_size(Size(1, Unit.MebiByte))
.count(dd_count)
.run()
)
md_dump.refresh_item()
@ -625,3 +625,62 @@ def test_standby_activate_with_corepool():
with TestRun.step("Check core status."):
if core.get_status() is not CoreStatus.active:
TestRun.fail(f"First core status should be active but is {core.get_status()}.")
@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
@pytest.mark.parametrizex("cache_line_size", CacheLineSize)
def test_standby_start_stop(cache_line_size):
"""
title: Start and stop a standby cache instance.
description: Test if cache can be started in standby state and stopped without activation.
pass_criteria:
- A cache exported object appears after starting a cache in standby state
- The data written to the cache exported object committed on the underlying cache device
- The cache exported object disappears after stopping the standby cache instance
"""
with TestRun.step("Prepare a cache device"):
cache_size = Size(500, Unit.MebiByte)
cache_device = TestRun.disks['cache']
cache_device.create_partitions([cache_size] * 2)
cache_part = cache_device.partitions[0]
with TestRun.step("Prepare partition with data to be written on the cache and count md5sum"):
data_part = cache_device.partitions[1]
block_size = Size(4, Unit.MebiByte)
offset = int(cache_size / block_size / 2)
Dd().output(data_part.path) \
.input("/dev/urandom") \
.block_size(block_size) \
.seek(offset) \
.run()
data_md5sum_cmd = f"dd if={data_part.path} bs={block_size.value} skip={offset} | md5sum"
data_md5 = TestRun.executor.run(data_md5sum_cmd).stdout.split()[0]
with TestRun.step("Start standby cache with the tested cache line size"):
cache_id = 1
cache = casadm.standby_init(cache_part, cache_id, cache_line_size, force=True)
with TestRun.step("Verify that a cache exported object appeared in the system"):
output = TestRun.executor.run_expect_success(f"ls -la /dev/ | grep 'cas-cache-{cache_id}'")
if output.stdout[0] != "b":
TestRun.fail("The cache exported object is not a block device")
with TestRun.step("Sequentially write data to the cache exported"
"object (with offset set to the middle of the device)"):
Dd().output(f"/dev/cas-cache-{cache_id}") \
.input(data_part.path) \
.block_size(block_size) \
.seek(offset) \
.skip(offset) \
.run()
with TestRun.step("Stop the cache instance"):
cache.stop()
with TestRun.step("Count checksum of data read from the cache device "
"and compare with the checksum of data writen to the standby cache"):
md5sum_cmd = f"dd if={cache_part.path} bs={block_size.value} skip={offset} | md5sum"
cache_part_md5 = TestRun.executor.run(md5sum_cmd).stdout.split()[0]
if data_md5 != cache_part_md5:
TestRun.fail("The counted checksum of the data read from cache device"
" and written to the standby cache differ")