xref: /unit/test/test_python_isolation.py (revision 1971:3410f9d2a662) 
1import pytest
2from unit.applications.lang.python import TestApplicationPython
3from unit.option import option
4from unit.utils import findmnt
5from unit.utils import waitformount
6from unit.utils import waitforunmount
7
8
9class TestPythonIsolation(TestApplicationPython):
10    prerequisites = {'modules': {'python': 'any'}, 'features': ['isolation']}
11
12    def test_python_isolation_rootfs(self, is_su, temp_dir):
13        isolation_features = option.available['features']['isolation'].keys()
14
15        if not is_su:
16            if not 'unprivileged_userns_clone' in isolation_features:
17                pytest.skip('requires unprivileged userns or root')
18
19            if 'user' not in isolation_features:
20                pytest.skip('user namespace is not supported')
21
22            if 'mnt' not in isolation_features:
23                pytest.skip('mnt namespace is not supported')
24
25            if 'pid' not in isolation_features:
26                pytest.skip('pid namespace is not supported')
27
28        isolation = {'rootfs': temp_dir}
29
30        if not is_su:
31            isolation['namespaces'] = {
32                'mount': True,
33                'credential': True,
34                'pid': True,
35            }
36
37        self.load('ns_inspect', isolation=isolation)
38
39        assert (
40            self.getjson(url='/?path=' + temp_dir)['body']['FileExists']
41            == False
42        ), 'temp_dir does not exists in rootfs'
43
44        assert (
45            self.getjson(url='/?path=/proc/self')['body']['FileExists'] == True
46        ), 'no /proc/self'
47
48        assert (
49            self.getjson(url='/?path=/dev/pts')['body']['FileExists'] == False
50        ), 'no /dev/pts'
51
52        assert (
53            self.getjson(url='/?path=/sys/kernel')['body']['FileExists']
54            == False
55        ), 'no /sys/kernel'
56
57        ret = self.getjson(url='/?path=/app/python/ns_inspect')
58
59        assert (
60            ret['body']['FileExists'] == True
61        ), 'application exists in rootfs'
62
63    def test_python_isolation_rootfs_no_language_deps(self, is_su, temp_dir):
64        if not is_su:
65            pytest.skip('requires root')
66
67        isolation = {'rootfs': temp_dir, 'automount': {'language_deps': False}}
68
69        self.load('empty', isolation=isolation)
70
71        assert findmnt().find(temp_dir) == -1
72        assert self.get()['status'] != 200, 'disabled language_deps'
73        assert findmnt().find(temp_dir) == -1
74
75        isolation['automount']['language_deps'] = True
76
77        self.load('empty', isolation=isolation)
78
79        assert findmnt().find(temp_dir) == -1
80        assert self.get()['status'] == 200, 'enabled language_deps'
81        assert waitformount(temp_dir), 'language_deps mount'
82
83        self.conf({"listeners": {}, "applications": {}})
84
85        assert waitforunmount(temp_dir), 'language_deps unmount'
86
87    def test_python_isolation_procfs(self, is_su, temp_dir):
88        if not is_su:
89            pytest.skip('requires root')
90
91        isolation = {'rootfs': temp_dir, 'automount': {'procfs': False}}
92
93        self.load('ns_inspect', isolation=isolation)
94
95        assert (
96            self.getjson(url='/?path=/proc/self')['body']['FileExists']
97            == False
98        ), 'no /proc/self'
99
100        isolation['automount']['procfs'] = True
101
102        self.load('ns_inspect', isolation=isolation)
103
104        assert (
105            self.getjson(url='/?path=/proc/self')['body']['FileExists'] == True
106        ), '/proc/self'
107