def test_noCGroups(self):
"""
If the platform is Linux, and the cgroups file in C{/proc} does not
exist, C{isDocker()} returns L{False}
"""
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation="fakepath"))
def test_noCGroups(self):
"""
If the platform is Linux, and the cgroups file in C{/proc} does not
exist, C{isDocker()} returns L{False}
"""
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation="fakepath"))
def test_cgroupsSuggestsRealSystem(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and none of the paths starts with C{/docker/}, C{isDocker()} returns
C{False}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from a Fedora 17 system
f.write(b"""9:perf_event:/
8:blkio:/
7:net_cls:/
6:freezer:/
5:devices:/
4:memory:/
3:cpuacct,cpu:/
2:cpuset:/
1:name=systemd:/system""")
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsRealSystem(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and none of the paths starts with C{/docker/}, C{isDocker()} returns
C{False}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from a Fedora 17 system
f.write(b"""9:perf_event:/
8:blkio:/
7:net_cls:/
6:freezer:/
5:devices:/
4:memory:/
3:cpuacct,cpu:/
2:cpuset:/
1:name=systemd:/system""")
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsDocker(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and one of the paths starts with C{/docker/}, C{isDocker()} returns
C{True}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from inside a Debian 7 docker container
f.write(b"""10:debug:/
9:net_prio:/
8:perf_event:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
7:net_cls:/
6:freezer:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
5:devices:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
4:blkio:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
3:cpuacct:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
2:cpu:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
1:cpuset:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f""")
platform = Platform(None, 'linux')
self.assertTrue(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsDocker(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and one of the paths starts with C{/docker/}, C{isDocker()} returns
C{True}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from inside a Debian 7 docker container
f.write(b"""10:debug:/
9:net_prio:/
8:perf_event:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
7:net_cls:/
6:freezer:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
5:devices:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
4:blkio:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
3:cpuacct:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
2:cpu:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
1:cpuset:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f""")
platform = Platform(None, 'linux')
self.assertTrue(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_noChecksOnLinux(self):
"""
If the platform is not Linux, C{isDocker()} always returns L{False}.
"""
platform = Platform(None, 'win32')
self.assertFalse(platform.isDocker())
def test_noChecksOnLinux(self):
"""
If the platform is not Linux, C{isDocker()} always returns L{False}.
"""
platform = Platform(None, 'win32')
self.assertFalse(platform.isDocker())
