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GCU loopback interface test #4814

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merged 7 commits into from
Dec 22, 2021
Merged

GCU loopback interface test #4814

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10f5cbb
GCU loopback interface test
wen587 Dec 6, 2021
d351592
make each test independent and resolve comment
wen587 Dec 10, 2021
e855c7d
always remove temp file whether test succeed or fail
wen587 Dec 10, 2021
19dd653
Add rollback instead of config_reload
wen587 Dec 20, 2021
21621ed
tune rollback func and remove unnecessary sudo
wen587 Dec 20, 2021
18f390a
1. add checkpoint file existence check 2. add vrf test for lo intf
wen587 Dec 21, 2021
96fe6b8
remove logging info
wen587 Dec 21, 2021
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174 changes: 174 additions & 0 deletions tests/generic_config_updater/test_lo_interface.py
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import logging
import pytest

from tests.common.helpers.assertions import pytest_assert
from tests.common.config_reload import config_reload
from tests.generic_config_updater.gu_utils import apply_patch, expect_op_success, expect_op_failure
from tests.generic_config_updater.gu_utils import generate_tmpfile, delete_tmpfile

pytestmark = [
pytest.mark.topology('any'),
]

logger = logging.getLogger(__name__)

@pytest.fixture(scope="module", autouse=True)
def setup_env(duthosts, rand_one_dut_hostname, cfg_facts):
"""
Setup/teardown fixture for loopback interface config
Args:
duthosts: list of DUTs.
rand_selected_dut: The fixture returns a randomly selected DuT.
cfg_facts: config facts for selected DUT
"""
duthost = duthosts[rand_one_dut_hostname]

config_tmpfile = generate_tmpfile(duthost)
logger.info("config_tmpfile {} Backing up config_db.json".format(config_tmpfile))
duthost.shell("sudo cp /etc/sonic/config_db.json {}".format(config_tmpfile))
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# Cleanup LOOPBACK_INTERFACE config
lo_interfaces = cfg_facts.get('LOOPBACK_INTERFACE', {})
for lo_interface in lo_interfaces:
del_loopback_interface = duthost.shell("sudo config loopback del {}".format(lo_interface),
module_ignore_errors=True)
pytest_assert(not del_loopback_interface['rc'],
"Loopback interface '{}' is not deleted successfully".format(lo_interface))

yield
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logger.info("Restoring config_db.json")
duthost.shell("sudo cp {} /etc/sonic/config_db.json".format(config_tmpfile))
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delete_tmpfile(duthost, config_tmpfile)
config_reload(duthost)

@pytest.mark.parametrize("op, name, dummy_lo_interface_v4, dummy_lo_interface_v6", [
("add", "Loopback0", "10.1.0.32/32", "FC00:1::32/128")
])
def test_syslog_server_tc1_add_init(duthost, op, name,
dummy_lo_interface_v4, dummy_lo_interface_v6):
""" Add v4 and v6 lo intf to config

Sample output
"LOOPBACK_INTERFACE": {
"Loopback0": {},
"Loopback0|10.1.0.32/32": {},
"Loopback0|FC00:1::32/128": {}
}
"""
dummy_lo_interface_v4 = name + "|" + dummy_lo_interface_v4
dummy_lo_interface_v6 = name + "|" + dummy_lo_interface_v6

json_patch = [
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE",
"value": {
"{}".format(name): {},
"{}".format(dummy_lo_interface_v4): {},
"{}".format(dummy_lo_interface_v6): {}
}
}
]

logger.info("json patch {}".format(json_patch))

tmpfile = generate_tmpfile(duthost)
logger.info("tmpfile {}".format(tmpfile))

output = apply_patch(duthost, json_data=json_patch, dest_file=tmpfile)
expect_op_success(duthost, output)

delete_tmpfile(duthost, tmpfile)

@pytest.mark.parametrize("op, name, dummy_lo_interface_v4, dummy_lo_interface_v6", [
("add", "Loopback0", "10.1.0.32~132", "FC00:1::32~1128")
])
def test_syslog_server_tc2_add_duplicate(duthost, op, name,
dummy_lo_interface_v4, dummy_lo_interface_v6):
""" Add v4 and v6 duplicate lo intf to config
"""
dummy_lo_interface_v4 = name + "|" + dummy_lo_interface_v4
dummy_lo_interface_v6 = name + "|" + dummy_lo_interface_v6

json_patch = [
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE/{}".format(dummy_lo_interface_v4),
"value": {}
},
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE/{}".format(dummy_lo_interface_v6),
"value": {}
}
]

tmpfile = generate_tmpfile(duthost)
logger.info("tmpfile {}".format(tmpfile))

output = apply_patch(duthost, json_data=json_patch, dest_file=tmpfile)
expect_op_success(duthost, output)
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delete_tmpfile(duthost, tmpfile)

@pytest.mark.parametrize("op, name, dummy_lo_interface_v4, dummy_lo_interface_v6", [
("add", "Loopback0", "587.1.0.32~132", "FC00:1::32~1128"),
("add", "Loopback0", "10.1.0.32~132", "FC00:1::xyz~1128"),
("remove", "Loopback0", "10.1.0.33~132", "FC00:1::32~1128"),
("remove", "Loopback0", "10.1.0.32~132", "FC00:1::33~1128")
])
def test_syslog_server_tc3_xfail(duthost, op, name,
dummy_lo_interface_v4, dummy_lo_interface_v6):
""" Test expect fail testcase

("add", "Loopback0", "587.1.0.32~132", "FC00:1::32~1128"), ADD Invalid IPv4 address
("add", "Loopback0", "10.1.0.32~132", "FC00:1::xyz~1128"), ADD Invalid IPv6 address
("remove", "Loopback0", "10.1.0.33~132", "FC00:1::32~1128"), REMOVE Unexist IPv4 address
("remove", "Loopback0", "10.1.0.32~132", "FC00:1::33~1128") REMOVE Unexist IPv6 address
"""
dummy_lo_interface_v4 = name + "|" + dummy_lo_interface_v4
dummy_lo_interface_v6 = name + "|" + dummy_lo_interface_v6

json_patch = [
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE/{}".format(dummy_lo_interface_v4),
"value": {}
},
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE/{}".format(dummy_lo_interface_v6),
"value": {}
}
]

tmpfile = generate_tmpfile(duthost)
logger.info("tmpfile {}".format(tmpfile))

output = apply_patch(duthost, json_data=json_patch, dest_file=tmpfile)
expect_op_failure(output)

delete_tmpfile(duthost, tmpfile)

@pytest.mark.parametrize("op, name, dummy_lo_interface_v4, dummy_lo_interface_v6", [
("remove", "Loopback0", "10.1.0.32~132", "FC00:1::32~1128")
])
def test_syslog_server_tc4_remove(duthost, op, name,
dummy_lo_interface_v4, dummy_lo_interface_v6):
""" Remove v4 and v6 loopback intf
"""
json_patch = [
{
"op": "{}".format(op),
"path": "/LOOPBACK_INTERFACE"
}
]

tmpfile = generate_tmpfile(duthost)
logger.info("tmpfile {}".format(tmpfile))

output = apply_patch(duthost, json_data=json_patch, dest_file=tmpfile)
expect_op_success(duthost, output)

delete_tmpfile(duthost, tmpfile)