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import base64
import json
import os
import shutil
import tempfile
import time
import unittest
import warnings
import docker
import six
BUSYBOX = 'busybox:buildroot-2014.02'
EXEC_DRIVER = []
def exec_driver_is_native():
global EXEC_DRIVER
if not EXEC_DRIVER:
c = docker_client()
EXEC_DRIVER = c.info()['ExecutionDriver']
c.close()
return EXEC_DRIVER.startswith('native')
def docker_client(**kwargs):
return docker.Client(**docker_client_kwargs(**kwargs))
def docker_client_kwargs(**kwargs):
client_kwargs = docker.utils.kwargs_from_env(assert_hostname=False)
client_kwargs.update(kwargs)
return client_kwargs
def setup_module():
warnings.simplefilter('error')
c = docker_client()
try:
c.inspect_image(BUSYBOX)
except docker.errors.NotFound:
os.write(2, "\npulling busybox\n".encode('utf-8'))
for data in c.pull(BUSYBOX, stream=True):
data = json.loads(data.decode('utf-8'))
os.write(2, ("%c[2K\r" % 27).encode('utf-8'))
status = data.get("status")
progress = data.get("progress")
detail = "{0} - {1}".format(status, progress).encode('utf-8')
os.write(2, detail)
os.write(2, "\npulled busybox\n".encode('utf-8'))
# Double make sure we now have busybox
c.inspect_image(BUSYBOX)
c.close()
class BaseTestCase(unittest.TestCase):
tmp_imgs = []
tmp_containers = []
tmp_folders = []
tmp_volumes = []
def setUp(self):
if six.PY2:
self.assertRegex = self.assertRegexpMatches
self.assertCountEqual = self.assertItemsEqual
self.client = docker_client(timeout=60)
self.tmp_imgs = []
self.tmp_containers = []
self.tmp_folders = []
self.tmp_volumes = []
self.tmp_networks = []
def tearDown(self):
for img in self.tmp_imgs:
try:
self.client.remove_image(img)
except docker.errors.APIError:
pass
for container in self.tmp_containers:
try:
self.client.stop(container, timeout=1)
self.client.remove_container(container)
except docker.errors.APIError:
pass
for network in self.tmp_networks:
try:
self.client.remove_network(network)
except docker.errors.APIError:
pass
for folder in self.tmp_folders:
shutil.rmtree(folder)
for volume in self.tmp_volumes:
try:
self.client.remove_volume(volume)
except docker.errors.APIError:
pass
self.client.close()
def run_container(self, *args, **kwargs):
container = self.client.create_container(*args, **kwargs)
self.tmp_containers.append(container)
self.client.start(container)
exitcode = self.client.wait(container)
if exitcode != 0:
output = self.client.logs(container)
raise Exception(
"Container exited with code {}:\n{}"
.format(exitcode, output))
return container
#########################
# INFORMATION TESTS #
#########################
class InformationTest(BaseTestCase):
def test_version(self):
res = self.client.version()
self.assertIn('GoVersion', res)
self.assertIn('Version', res)
self.assertEqual(len(res['Version'].split('.')), 3)
def test_info(self):
res = self.client.info()
self.assertIn('Containers', res)
self.assertIn('Images', res)
self.assertIn('Debug', res)
def test_search(self):
self.client = docker_client(timeout=10)
res = self.client.search('busybox')
self.assertTrue(len(res) >= 1)
base_img = [x for x in res if x['name'] == 'busybox']
self.assertEqual(len(base_img), 1)
self.assertIn('description', base_img[0])
#################
# LINKS TESTS #
#################
class LinkTest(BaseTestCase):
def test_remove_link(self):
# Create containers
container1 = self.client.create_container(
BUSYBOX, 'cat', detach=True, stdin_open=True
)
container1_id = container1['Id']
self.tmp_containers.append(container1_id)
self.client.start(container1_id)
# Create Link
# we don't want the first /
link_path = self.client.inspect_container(container1_id)['Name'][1:]
link_alias = 'mylink'
container2 = self.client.create_container(
BUSYBOX, 'cat', host_config=self.client.create_host_config(
links={link_path: link_alias}, network_mode='none'
)
)
container2_id = container2['Id']
self.tmp_containers.append(container2_id)
self.client.start(container2_id)
# Remove link
linked_name = self.client.inspect_container(container2_id)['Name'][1:]
link_name = '%s/%s' % (linked_name, link_alias)
self.client.remove_container(link_name, link=True)
# Link is gone
containers = self.client.containers(all=True)
retrieved = [x for x in containers if link_name in x['Names']]
self.assertEqual(len(retrieved), 0)
# Containers are still there
retrieved = [
x for x in containers if x['Id'].startswith(container1_id) or
x['Id'].startswith(container2_id)
]
self.assertEqual(len(retrieved), 2)
#######################
# PY SPECIFIC TESTS #
#######################
class LoadConfigTest(BaseTestCase):
def test_load_legacy_config(self):
folder = tempfile.mkdtemp()
self.tmp_folders.append(folder)
cfg_path = os.path.join(folder, '.dockercfg')
f = open(cfg_path, 'w')
auth_ = base64.b64encode(b'sakuya:izayoi').decode('ascii')
f.write('auth = {0}\n'.format(auth_))
f.write('email = sakuya@scarlet.net')
f.close()
cfg = docker.auth.load_config(cfg_path)
self.assertNotEqual(cfg[docker.auth.INDEX_NAME], None)
cfg = cfg[docker.auth.INDEX_NAME]
self.assertEqual(cfg['username'], 'sakuya')
self.assertEqual(cfg['password'], 'izayoi')
self.assertEqual(cfg['email'], 'sakuya@scarlet.net')
self.assertEqual(cfg.get('Auth'), None)
def test_load_json_config(self):
folder = tempfile.mkdtemp()
self.tmp_folders.append(folder)
cfg_path = os.path.join(folder, '.dockercfg')
f = open(os.path.join(folder, '.dockercfg'), 'w')
auth_ = base64.b64encode(b'sakuya:izayoi').decode('ascii')
email_ = 'sakuya@scarlet.net'
f.write('{{"{0}": {{"auth": "{1}", "email": "{2}"}}}}\n'.format(
docker.auth.INDEX_URL, auth_, email_))
f.close()
cfg = docker.auth.load_config(cfg_path)
self.assertNotEqual(cfg[docker.auth.INDEX_URL], None)
cfg = cfg[docker.auth.INDEX_URL]
self.assertEqual(cfg['username'], 'sakuya')
self.assertEqual(cfg['password'], 'izayoi')
self.assertEqual(cfg['email'], 'sakuya@scarlet.net')
self.assertEqual(cfg.get('Auth'), None)
class AutoDetectVersionTest(unittest.TestCase):
def test_client_init(self):
client = docker_client(version='auto')
client_version = client._version
api_version = client.version(api_version=False)['ApiVersion']
self.assertEqual(client_version, api_version)
api_version_2 = client.version()['ApiVersion']
self.assertEqual(client_version, api_version_2)
client.close()
def test_auto_client(self):
client = docker.AutoVersionClient(**docker_client_kwargs())
client_version = client._version
api_version = client.version(api_version=False)['ApiVersion']
self.assertEqual(client_version, api_version)
api_version_2 = client.version()['ApiVersion']
self.assertEqual(client_version, api_version_2)
client.close()
with self.assertRaises(docker.errors.DockerException):
docker.AutoVersionClient(**docker_client_kwargs(version='1.11'))
class ConnectionTimeoutTest(unittest.TestCase):
def setUp(self):
self.timeout = 0.5
self.client = docker.client.Client(base_url='http://192.168.10.2:4243',
timeout=self.timeout)
def test_timeout(self):
start = time.time()
res = None
# This call isn't supposed to complete, and it should fail fast.
try:
res = self.client.inspect_container('id')
except:
pass
end = time.time()
self.assertTrue(res is None)
self.assertTrue(end - start < 2 * self.timeout)
class UnixconnTest(unittest.TestCase):
"""
Test UNIX socket connection adapter.
"""
def test_resource_warnings(self):
"""
Test no warnings are produced when using the client.
"""
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
client = docker_client()
client.images()
client.close()
del client
assert len(w) == 0, \
"No warnings produced: {0}".format(w[0].message)
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