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tests: rework route_scale topotest

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Make some changes to the route-scale topotest, in view of
issue #6734. Table-drive the test to eliminate some
repeated code. Assert and fail if a step in the progression
of scale fails. Wait a little longer between checking the show
output - it's costly to generate that output at scale. Add a
memleak testcase.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
This commit is contained in:
Mark Stapp 2020-07-20 14:51:16 -04:00
parent dca30d85fb
commit 0ae6467f0e
1 changed files with 72 additions and 76 deletions
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148
tests/topotests/route-scale/test_route_scale.py
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@ -112,6 +112,40 @@ def test_converge_protocols():
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
def run_one_setup(r1, s):
"Run one ecmp config"
# Extract params
expected_installed = s['expect_in']
expected_removed = s['expect_rem']
count = s['count']
wait = s['wait']
logger.info("Testing 1 million routes X {} ecmp".format(s['ecmp']))
r1.vtysh_cmd("sharp install route 1.0.0.0 \
nexthop-group {} 1000000".format(s['nhg']),
isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
success, result = topotest.run_and_expect(test_func, None, count, wait)
assert success, "Route scale test install failed:\n{}".format(result)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X {} ecmp installed".format(s['ecmp']))
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
success, result = topotest.run_and_expect(test_func, None, count, wait)
assert success, "Route scale test remove failed:\n{}".format(result)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x {} ecmp removed".format(
s['ecmp']))
logger.info(output)
def test_route_install():
"Test route install for a variety of ecmp"
@ -126,85 +160,47 @@ def test_route_install():
removed_file = "{}/r1/no.routes.json".format(CWD)
expected_removed = json.loads(open(removed_file).read())
# dict keys of params: ecmp number, corresponding nhg name, timeout,
# number of times to wait
scale_keys = ['ecmp', 'nhg', 'wait', 'count', 'expect_in', 'expect_rem']
# Table of defaults, used for timeout values and 'expected' objects
scale_defaults = dict(zip(scale_keys, [None, None, 7, 30,
expected_installed,
expected_removed]))
# List of params for each step in the test; note extra time given
# for the highest ecmp steps. Executing 'show' at scale can be costly
# so we widen the interval there too.
scale_steps = [
[1, 'one'], [2, 'two'], [4, 'four'],
[8, 'eight'], [16, 'sixteen', 10, 40], [32, 'thirtytwo', 10, 40]
]
# Build up a list of dicts with params for each step of the test;
# use defaults where the step doesn't supply a value
scale_setups = []
for s in scale_steps:
d = dict(zip(scale_keys, s))
for k in scale_keys:
if k not in d:
d[k] = scale_defaults[k]
scale_setups.append(d)
# Run each step using the dicts we've built
r1 = tgen.gears["r1"]
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group one 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 1 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 1 ecmp removed")
logger.info(output)
for s in scale_setups:
run_one_setup(r1, s)
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group two 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 2 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 2 ecmp removed")
logger.info(output)
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group four 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 4 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 4 ecmp removed")
logger.info(output)
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group eight 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 8 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 8 ecmp removed")
logger.info(output)
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group sixteen 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 16 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 16 ecmp removed")
logger.info(output)
r1.vtysh_cmd("sharp install route 1.0.0.0 nexthop-group thirtytwo 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_installed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes X 32 ecmp installed")
logger.info(output)
r1.vtysh_cmd("sharp remove route 1.0.0.0 1000000", isjson=False)
test_func = partial(topotest.router_json_cmp, r1, "show ip route summary json", expected_removed)
_, result = topotest.run_and_expect(test_func, None, count=40, wait=5)
output = r1.vtysh_cmd("sharp data route", isjson=False)
logger.info("1 million routes x 32 ecmp removed")
logger.info(output)
# Mem leak testcase
def test_memory_leak():
"Run the memory leak test and report results."
tgen = get_topogen()
if not tgen.is_memleak_enabled():
pytest.skip("Memory leak test/report is disabled")
tgen.report_memory_leaks()
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]