def _images_command_output(self, is_centralized_repository):
if is_centralized_repository:
command = ["sarus", "images", "--centralized-repository"]
else:
command = ["sarus", "images"]
out = subprocess.check_output(command)
lines = util.command_output_without_trailing_new_lines(out)
return [line.split() for line in lines]
def test_cpu_affinity(self):
image = "alpine:3.8"
util.pull_image_if_necessary(is_centralized_repository=False, image=image)
command = ["cat", "/proc/self/status"]
out = util.command_output_without_trailing_new_lines(subprocess.check_output(command).decode())
host_cpus_allowed_list = self._parse_cpus_allowed_list(out)
only_one_cpu_available = len(host_cpus_allowed_list) == 1
if only_one_cpu_available:
print("WARNING: skipping CPU affinity test. Only one CPU"
" is available, but at least two are required.")
return
cpu = self._parse_first_cpu(host_cpus_allowed_list)
command = ["taskset", "--cpu-list", cpu,
"sarus", "run", image, "cat", "/proc/self/status"]
out = util.command_output_without_trailing_new_lines(subprocess.check_output(command).decode())
container_cpus_allowed_list = self._parse_cpus_allowed_list(out)
self.assertEqual(container_cpus_allowed_list, cpu)
def _get_sarus_warn_output(self):
command = ["sarus", "run", "--mpi", self._container_image, "true"]
out = subprocess.check_output(command, stderr=subprocess.STDOUT).decode()
return util.command_output_without_trailing_new_lines(out)
def _test_command_version(self, command):
out = subprocess.check_output(command)
lines = util.command_output_without_trailing_new_lines(out)
self.assertEqual(len(lines), 1)
self.assertTrue(re.match(r"^\d+\.\d+\.\d+(-.+)*$", lines[0]) is not None)
def _test_command_help(self, command):
out = subprocess.check_output(command)
lines = util.command_output_without_trailing_new_lines(out)
self.assertGreater(len(lines), 1)
self.assertEqual(lines[0], "Usage: sarus COMMAND")
def _test_command_version(self, command):
out = subprocess.check_output(command).decode()
lines = util.command_output_without_trailing_new_lines(out)
assert len(lines) == 1
assert re.match(r"^\d+\.\d+\.\d+(-.+)*$", lines[0]) is not None \
or lines[0] == "VERSION-NOT-AVAILABLE"
