def test_mounts(self):
im = NspawnImage(repository=image_name,
pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
with im.mount() as fs:
logger.debug(fs.mount_point)
assert fs.directory_is_present("/lost+found")
def test_image(self):
im1 = NspawnImage(repository=image_name, pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
logger.debug("%s", im1)
logger.debug("%s", im1.get_metadata())
logger.debug("%s", im1.get_id())
logger.debug("%s", im1.get_full_name())
def test_image_run_foreground(self):
im = NspawnImage(repository=image_name, pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
cmd = im.run_foreground(["ls", "/"]).communicate()
out = cmd
assert not out[0]
out = im.run_foreground(["ls", "/"], stdout=subprocess.PIPE).communicate()
stdout = out[0].decode("utf-8")
assert "sbin" in stdout
def test_volumes(self):
im = NspawnImage(repository=image_name,
pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
dirname = mkdtemp()
filename = "somefile"
host_fn = os.path.join(dirname, filename)
run_cmd(["touch", host_fn])
cont = im.run_via_binary(volumes=["{}:/opt".format(dirname)])
cont.execute(["ls", os.path.join("/opt", filename)])
assert os.path.exists(host_fn)
cont.execute(["rm", "-f", os.path.join("/opt", filename)])
assert not os.path.exists(host_fn)
os.rmdir(dirname)
def test_container_basic(self):
im = NspawnImage(repository=image_name, pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
cont = im.run_via_binary()
logger.debug(im.get_metadata())
logger.debug(cont.get_metadata())
assert cont.is_running()
assert cont.selfcheck()
cont.stop()
assert not cont.selfcheck()
cont.start()
assert cont.selfcheck()
cont.stop()
assert not cont.selfcheck()
def test_container_exit_states(self):
im = NspawnImage(repository=image_name, pull_policy=ImagePullPolicy.IF_NOT_PRESENT,
location=url)
cont = im.run_via_binary()
try:
cont.execute(["exit", "1"])
except subprocess.CalledProcessError:
pass
else:
raise BaseException("It has to fail")
cont.execute(["exit", "0"])
cont.execute(["touch", "/aa"])
cont.execute(["ls", "/aa"])
assert 2 == cont.execute(["ls", "/aabb"], ignore_status=True)
out = cont.execute(["ls", "/"], return_output=True)
assert "sbin" in out
out = cont.execute(["ls", "/"], return_full_dict=True)
logger.debug(out)
cont.stop()
def test_image_bootstrapping(self):
with NspawnBackend() as backend:
backend.cleanup_containers()
backend.cleanup_images()
im = NspawnImage.bootstrap(repositories=bootstrap_repos,
name="bootstrapped",
additional_packages=["fedora-release"])
logger.debug(im.get_metadata())
out = im.run_foreground(["ls", "/"],
stdout=subprocess.PIPE).communicate()
assert "sbin" in out[0]
out = im.run_foreground(["ls", "/etc"],
stdout=subprocess.PIPE).communicate()
logger.info(out)
assert "os-release" in out[0]
out = im.run_foreground(["cat", "/etc/os-release"],
stdout=subprocess.PIPE).communicate()
logger.info(out)
assert "VERSION_ID=27" in out[0]
im.rmi()