podman-compose/tests/unit/test_container_to_args.py
Timon de Groot 90f54b9ca5 Add x-podman.no_hosts extension
Signed-off-by: Timon de Groot <timon.degroot@hypernode.com>
2024-10-14 17:02:36 +02:00

614 lines
18 KiB
Python

# SPDX-License-Identifier: GPL-2.0
import os
import unittest
from unittest import mock
from parameterized import parameterized
from podman_compose import container_to_args
def create_compose_mock(project_name="test_project_name"):
compose = mock.Mock()
compose.project_name = project_name
compose.dirname = "test_dirname"
compose.container_names_by_service.get = mock.Mock(return_value=None)
compose.prefer_volume_over_mount = False
compose.default_net = None
compose.networks = {}
compose.x_podman = {}
async def podman_output(*args, **kwargs):
pass
compose.podman.output = mock.Mock(side_effect=podman_output)
return compose
def get_minimal_container():
return {
"name": "project_name_service_name1",
"service_name": "service_name",
"image": "busybox",
}
def get_test_file_path(rel_path):
repo_root = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
return os.path.realpath(os.path.join(repo_root, rel_path))
class TestContainerToArgs(unittest.IsolatedAsyncioTestCase):
async def test_minimal(self):
c = create_compose_mock()
cnt = get_minimal_container()
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_runtime(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["runtime"] = "runsc"
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--runtime",
"runsc",
"busybox",
],
)
async def test_sysctl_list(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["sysctls"] = [
"net.core.somaxconn=1024",
"net.ipv4.tcp_syncookies=0",
]
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--sysctl",
"net.core.somaxconn=1024",
"--sysctl",
"net.ipv4.tcp_syncookies=0",
"busybox",
],
)
async def test_sysctl_map(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["sysctls"] = {
"net.core.somaxconn": 1024,
"net.ipv4.tcp_syncookies": 0,
}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--sysctl",
"net.core.somaxconn=1024",
"--sysctl",
"net.ipv4.tcp_syncookies=0",
"busybox",
],
)
async def test_sysctl_wrong_type(self):
c = create_compose_mock()
cnt = get_minimal_container()
# check whether wrong types are correctly rejected
for wrong_type in [True, 0, 0.0, "wrong", ()]:
with self.assertRaises(TypeError):
cnt["sysctls"] = wrong_type
await container_to_args(c, cnt)
async def test_pid(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["pid"] = "host"
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--pid",
"host",
"busybox",
],
)
async def test_http_proxy(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["http_proxy"] = False
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--http-proxy=false",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_uidmaps_extension_old_path(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['x-podman'] = {'uidmaps': ['1000:1000:1']}
with self.assertRaises(ValueError):
await container_to_args(c, cnt)
async def test_uidmaps_extension(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['x-podman.uidmaps'] = ['1000:1000:1', '1001:1001:2']
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
'--uidmap',
'1000:1000:1',
'--uidmap',
'1001:1001:2',
"busybox",
],
)
async def test_gidmaps_extension(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['x-podman.gidmaps'] = ['1000:1000:1', '1001:1001:2']
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
'--gidmap',
'1000:1000:1',
'--gidmap',
'1001:1001:2',
"busybox",
],
)
async def test_rootfs_extension(self):
c = create_compose_mock()
cnt = get_minimal_container()
del cnt["image"]
cnt["x-podman.rootfs"] = "/path/to/rootfs"
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--rootfs",
"/path/to/rootfs",
],
)
async def test_no_hosts_extension(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["x-podman.no_hosts"] = True
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--no-hosts",
"busybox",
],
)
async def test_env_file_str(self):
c = create_compose_mock()
cnt = get_minimal_container()
env_file = get_test_file_path('tests/integration/env-file-tests/env-files/project-1.env')
cnt['env_file'] = env_file
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"-e",
"ZZVAR1=podman-rocks-123",
"-e",
"ZZVAR2=podman-rocks-124",
"-e",
"ZZVAR3=podman-rocks-125",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_env_file_str_not_exists(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['env_file'] = 'notexists'
with self.assertRaises(ValueError):
await container_to_args(c, cnt)
async def test_env_file_str_array_one_path(self):
c = create_compose_mock()
cnt = get_minimal_container()
env_file = get_test_file_path('tests/integration/env-file-tests/env-files/project-1.env')
cnt['env_file'] = [env_file]
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"-e",
"ZZVAR1=podman-rocks-123",
"-e",
"ZZVAR2=podman-rocks-124",
"-e",
"ZZVAR3=podman-rocks-125",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_env_file_str_array_two_paths(self):
c = create_compose_mock()
cnt = get_minimal_container()
env_file = get_test_file_path('tests/integration/env-file-tests/env-files/project-1.env')
env_file_2 = get_test_file_path('tests/integration/env-file-tests/env-files/project-2.env')
cnt['env_file'] = [env_file, env_file_2]
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"-e",
"ZZVAR1=podman-rocks-123",
"-e",
"ZZVAR2=podman-rocks-124",
"-e",
"ZZVAR3=podman-rocks-125",
"-e",
"ZZVAR1=podman-rocks-223",
"-e",
"ZZVAR2=podman-rocks-224",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_env_file_obj_required(self):
c = create_compose_mock()
cnt = get_minimal_container()
env_file = get_test_file_path('tests/integration/env-file-tests/env-files/project-1.env')
cnt['env_file'] = {'path': env_file, 'required': True}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"-e",
"ZZVAR1=podman-rocks-123",
"-e",
"ZZVAR2=podman-rocks-124",
"-e",
"ZZVAR3=podman-rocks-125",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_env_file_obj_required_non_existent_path(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['env_file'] = {'path': 'not-exists', 'required': True}
with self.assertRaises(ValueError):
await container_to_args(c, cnt)
async def test_env_file_obj_optional(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt['env_file'] = {'path': 'not-exists', 'required': False}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
async def test_gpu_count_all(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["command"] = ["nvidia-smi"]
cnt["deploy"] = {"resources": {"reservations": {"devices": [{}]}}}
cnt["deploy"]["resources"]["reservations"]["devices"][0] = {
"driver": "nvidia",
"count": "all",
"capabilities": ["gpu"],
}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--device",
"nvidia.com/gpu=all",
"--security-opt=label=disable",
"busybox",
"nvidia-smi",
],
)
async def test_gpu_count_specific(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["command"] = ["nvidia-smi"]
cnt["deploy"] = {
"resources": {
"reservations": {
"devices": [
{
"driver": "nvidia",
"count": 2,
"capabilities": ["gpu"],
}
]
}
}
}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--device",
"nvidia.com/gpu=0",
"--device",
"nvidia.com/gpu=1",
"--security-opt=label=disable",
"busybox",
"nvidia-smi",
],
)
async def test_gpu_device_ids_all(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["command"] = ["nvidia-smi"]
cnt["deploy"] = {
"resources": {
"reservations": {
"devices": [
{
"driver": "nvidia",
"device_ids": "all",
"capabilities": ["gpu"],
}
]
}
}
}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--device",
"nvidia.com/gpu=all",
"--security-opt=label=disable",
"busybox",
"nvidia-smi",
],
)
async def test_gpu_device_ids_specific(self):
c = create_compose_mock()
cnt = get_minimal_container()
cnt["command"] = ["nvidia-smi"]
cnt["deploy"] = {
"resources": {
"reservations": {
"devices": [
{
"driver": "nvidia",
"device_ids": [1, 3],
"capabilities": ["gpu"],
}
]
}
}
}
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
"--network=bridge",
"--network-alias=service_name",
"--device",
"nvidia.com/gpu=1",
"--device",
"nvidia.com/gpu=3",
"--security-opt=label=disable",
"busybox",
"nvidia-smi",
],
)
@parameterized.expand([
(False, "z", ["--mount", "type=bind,source=./foo,destination=/mnt,z"]),
(False, "Z", ["--mount", "type=bind,source=./foo,destination=/mnt,Z"]),
(True, "z", ["-v", "./foo:/mnt:z"]),
(True, "Z", ["-v", "./foo:/mnt:Z"]),
])
async def test_selinux_volume(self, prefer_volume, selinux_type, expected_additional_args):
c = create_compose_mock()
c.prefer_volume_over_mount = prefer_volume
cnt = get_minimal_container()
# This is supposed to happen during `_parse_compose_file`
# but that is probably getting skipped during testing
cnt["_service"] = cnt["service_name"]
cnt["volumes"] = [
{
"type": "bind",
"source": "./foo",
"target": "/mnt",
"bind": {
"selinux": selinux_type,
},
}
]
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
*expected_additional_args,
"--network=bridge",
"--network-alias=service_name",
"busybox",
],
)
@parameterized.expand([
("not_compat", False, "test_project_name", "test_project_name_network1"),
("compat_no_dash", True, "test_project_name", "test_project_name_network1"),
("compat_dash", True, "test_project-name", "test_projectname_network1"),
])
async def test_network_default_name(self, name, is_compat, project_name, expected_network_name):
c = create_compose_mock(project_name)
c.x_podman = {"default_net_name_compat": is_compat}
c.networks = {'network1': {}}
cnt = get_minimal_container()
cnt['networks'] = ['network1']
args = await container_to_args(c, cnt)
self.assertEqual(
args,
[
"--name=project_name_service_name1",
"-d",
f"--network={expected_network_name}",
"--network-alias=service_name",
"busybox",
],
)