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|
import os
import pytest
from cloudinit.analyze.__main__ import analyze_boot, get_parser
from cloudinit.analyze.show import (
CONTAINER_CODE,
FAIL_CODE,
SystemctlReader,
dist_check_timestamp,
)
from tests.unittests.helpers import CiTestCase, mock
err_code = (FAIL_CODE, -1, -1, -1)
class TestDistroChecker(CiTestCase):
def test_blank_distro(self):
self.assertEqual(err_code, dist_check_timestamp())
@mock.patch("cloudinit.util.is_FreeBSD", return_value=True)
def test_freebsd_gentoo_cant_find(self, m_is_FreeBSD):
self.assertEqual(err_code, dist_check_timestamp())
@mock.patch("cloudinit.subp.subp", return_value=(0, 1))
def test_subp_fails(self, m_subp):
self.assertEqual(err_code, dist_check_timestamp())
class TestSystemCtlReader:
@pytest.mark.parametrize(
"args",
[
pytest.param(["dummyProperty"], id="invalid_property"),
pytest.param(
["dummyProperty", "dummyParameter"], id="invalid_parameter"
),
],
)
def test_systemctl_invalid(self, args):
reader = SystemctlReader(*args)
with pytest.raises(RuntimeError):
reader.parse_epoch_as_float()
@mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None))
def test_systemctl_works_correctly_threshold(self, m_subp):
reader = SystemctlReader("dummyProperty", "dummyParameter")
assert 1.0 == reader.parse_epoch_as_float()
thresh = 1.0 - reader.parse_epoch_as_float()
assert thresh < 1e-6
assert thresh > (-1 * 1e-6)
@mock.patch("cloudinit.subp.subp", return_value=("U=0", None))
def test_systemctl_succeed_zero(self, m_subp):
reader = SystemctlReader("dummyProperty", "dummyParameter")
assert 0.0 == reader.parse_epoch_as_float()
@mock.patch("cloudinit.subp.subp", return_value=("U=1", None))
def test_systemctl_succeed_distinct(self, m_subp):
reader = SystemctlReader("dummyProperty", "dummyParameter")
val1 = reader.parse_epoch_as_float()
m_subp.return_value = ("U=2", None)
reader2 = SystemctlReader("dummyProperty", "dummyParameter")
val2 = reader2.parse_epoch_as_float()
assert val1 != val2
@pytest.mark.parametrize(
"return_value, exception",
[
pytest.param(("100", None), IndexError, id="epoch_not_splittable"),
pytest.param(
("U=foobar", None),
ValueError,
id="cannot_convert_epoch_to_float",
),
],
)
@mock.patch("cloudinit.subp.subp")
def test_systemctl_epoch_not_error(self, m_subp, return_value, exception):
m_subp.return_value = return_value
reader = SystemctlReader("dummyProperty", "dummyParameter")
with pytest.raises(exception):
reader.parse_epoch_as_float()
class TestAnalyzeBoot:
def set_up_dummy_file_ci(self, path, log_path):
infh = open(path, "w+")
infh.write(
"2019-07-08 17:40:49,601 - util.py[DEBUG]: Cloud-init v. "
"19.1-1-gbaa47854-0ubuntu1~18.04.1 running 'init-local' "
"at Mon, 08 Jul 2019 17:40:49 +0000. Up 18.84 seconds."
)
infh.close()
outfh = open(log_path, "w+")
outfh.close()
def set_up_dummy_file(self, path, log_path):
infh = open(path, "w+")
infh.write("dummy data")
infh.close()
outfh = open(log_path, "w+")
outfh.close()
def remove_dummy_file(self, path, log_path):
if os.path.isfile(path):
os.remove(path)
if os.path.isfile(log_path):
os.remove(log_path)
@mock.patch(
"cloudinit.analyze.show.dist_check_timestamp", return_value=err_code
)
def test_boot_invalid_distro(self, m_dist_check_timestamp):
path = os.path.dirname(os.path.abspath(__file__))
log_path = path + "/boot-test.log"
path += "/dummy.log"
self.set_up_dummy_file(path, log_path)
parser = get_parser()
args = parser.parse_args(args=["boot", "-i", path, "-o", log_path])
name_default = ""
analyze_boot(name_default, args)
# now args have been tested, go into outfile and make sure error
# message is in the outfile
with open(args.outfile, "r") as outfh:
data = outfh.read()
err_string = (
"Your Linux distro or container does not support this "
"functionality.\nYou must be running a Kernel "
"Telemetry supported distro.\nPlease check "
"https://cloudinit.readthedocs.io/en/latest/topics"
"/analyze.html for more information on supported "
"distros.\n"
)
self.remove_dummy_file(path, log_path)
assert err_string == data
@mock.patch("cloudinit.util.is_container", return_value=True)
@mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None))
def test_container_no_ci_log_line(self, m_is_container, m_subp):
path = os.path.dirname(os.path.abspath(__file__))
log_path = path + "/boot-test.log"
path += "/dummy.log"
self.set_up_dummy_file(path, log_path)
parser = get_parser()
args = parser.parse_args(args=["boot", "-i", path, "-o", log_path])
name_default = ""
finish_code = analyze_boot(name_default, args)
self.remove_dummy_file(path, log_path)
assert FAIL_CODE == finish_code
@mock.patch("cloudinit.util.is_container", return_value=True)
@mock.patch("cloudinit.subp.subp", return_value=("U=1000000", None))
@mock.patch(
"cloudinit.analyze.__main__._get_events",
return_value=[
{
"name": "init-local",
"description": "starting search",
"timestamp": 100000,
}
],
)
@mock.patch(
"cloudinit.analyze.show.dist_check_timestamp",
return_value=(CONTAINER_CODE, 1, 1, 1),
)
def test_container_ci_log_line(self, m_is_container, m_subp, m_get, m_g):
path = os.path.dirname(os.path.abspath(__file__))
log_path = path + "/boot-test.log"
path += "/dummy.log"
self.set_up_dummy_file_ci(path, log_path)
parser = get_parser()
args = parser.parse_args(args=["boot", "-i", path, "-o", log_path])
name_default = ""
finish_code = analyze_boot(name_default, args)
self.remove_dummy_file(path, log_path)
assert CONTAINER_CODE == finish_code
|
