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Update to docker-py 0.3.1

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From 7f55a101f8

This now requires Docker 0.9 or greater.
This commit is contained in:
Ben Firshman 2014-03-10 13:57:13 +00:00
parent d7e01a23f8
commit 2b245bdf9e
8 changed files with 139 additions and 81 deletions
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8
.travis.yml
View File

@ -3,12 +3,8 @@ python:
- '2.6'
- '2.7'
env:
- DOCKER_VERSION=0.8.0
- DOCKER_VERSION=0.8.1
matrix:
allow_failures:
- python: '3.2'
- python: '3.3'
- DOCKER_VERSION=0.9.1
- DOCKER_VERSION=0.10.0
install: script/travis-install
script:
- pwd

3
fig/packages/docker/__init__.py
View File

@ -12,4 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
__title__ = 'docker-py'
__version__ = '0.3.0'
from .client import Client, APIError # flake8: noqa

13
fig/packages/docker/auth/auth.py
View File

@ -48,7 +48,7 @@ def resolve_repository_name(repo_name):
raise ValueError('Repository name cannot contain a '
'scheme ({0})'.format(repo_name))
parts = repo_name.split('/', 1)
if not '.' in parts[0] and not ':' in parts[0] and parts[0] != 'localhost':
if '.' not in parts[0] and ':' not in parts[0] and parts[0] != 'localhost':
# This is a docker index repo (ex: foo/bar or ubuntu)
return INDEX_URL, repo_name
if len(parts) < 2:
@ -87,6 +87,11 @@ def resolve_authconfig(authconfig, registry=None):
return authconfig.get(swap_protocol(registry), None)
def encode_auth(auth_info):
return base64.b64encode(auth_info.get('username', '') + b':' +
auth_info.get('password', ''))
def decode_auth(auth):
if isinstance(auth, six.string_types):
auth = auth.encode('ascii')
@ -100,6 +105,12 @@ def encode_header(auth):
return base64.b64encode(auth_json)
def encode_full_header(auth):
""" Returns the given auth block encoded for the X-Registry-Config header.
"""
return encode_header({'configs': auth})
def load_config(root=None):
"""Loads authentication data from a Docker configuration file in the given
root directory."""

154
fig/packages/docker/client.py
View File

@ -28,13 +28,17 @@ from .utils import utils
if not six.PY3:
import websocket
DEFAULT_DOCKER_API_VERSION = '1.9'
DEFAULT_TIMEOUT_SECONDS = 60
STREAM_HEADER_SIZE_BYTES = 8
class APIError(requests.exceptions.HTTPError):
def __init__(self, message, response, explanation=None):
super(APIError, self).__init__(message, response=response)
# requests 1.2 supports response as a keyword argument, but
# requests 1.1 doesn't
super(APIError, self).__init__(message)
self.response = response
self.explanation = explanation
@ -65,7 +69,7 @@ class APIError(requests.exceptions.HTTPError):
class Client(requests.Session):
def __init__(self, base_url=None, version="1.6",
def __init__(self, base_url=None, version=DEFAULT_DOCKER_API_VERSION,
timeout=DEFAULT_TIMEOUT_SECONDS):
super(Client, self).__init__()
if base_url is None:
@ -125,7 +129,7 @@ class Client(requests.Session):
mem_limit=0, ports=None, environment=None, dns=None,
volumes=None, volumes_from=None,
network_disabled=False, entrypoint=None,
cpu_shares=None, working_dir=None):
cpu_shares=None, working_dir=None, domainname=None):
if isinstance(command, six.string_types):
command = shlex.split(str(command))
if isinstance(environment, dict):
@ -133,7 +137,7 @@ class Client(requests.Session):
'{0}={1}'.format(k, v) for k, v in environment.items()
]
if ports and isinstance(ports, list):
if isinstance(ports, list):
exposed_ports = {}
for port_definition in ports:
port = port_definition
@ -145,12 +149,15 @@ class Client(requests.Session):
exposed_ports['{0}/{1}'.format(port, proto)] = {}
ports = exposed_ports
if volumes and isinstance(volumes, list):
if isinstance(volumes, list):
volumes_dict = {}
for vol in volumes:
volumes_dict[vol] = {}
volumes = volumes_dict
if volumes_from and not isinstance(volumes_from, six.string_types):
volumes_from = ','.join(volumes_from)
attach_stdin = False
attach_stdout = False
attach_stderr = False
@ -165,26 +172,27 @@ class Client(requests.Session):
stdin_once = True
return {
'Hostname': hostname,
'Hostname': hostname,
'Domainname': domainname,
'ExposedPorts': ports,
'User': user,
'Tty': tty,
'OpenStdin': stdin_open,
'StdinOnce': stdin_once,
'Memory': mem_limit,
'AttachStdin': attach_stdin,
'User': user,
'Tty': tty,
'OpenStdin': stdin_open,
'StdinOnce': stdin_once,
'Memory': mem_limit,
'AttachStdin': attach_stdin,
'AttachStdout': attach_stdout,
'AttachStderr': attach_stderr,
'Env': environment,
'Cmd': command,
'Dns': dns,
'Image': image,
'Volumes': volumes,
'VolumesFrom': volumes_from,
'Env': environment,
'Cmd': command,
'Dns': dns,
'Image': image,
'Volumes': volumes,
'VolumesFrom': volumes_from,
'NetworkDisabled': network_disabled,
'Entrypoint': entrypoint,
'CpuShares': cpu_shares,
'WorkingDir': working_dir
'Entrypoint': entrypoint,
'CpuShares': cpu_shares,
'WorkingDir': working_dir
}
def _post_json(self, url, data, **kwargs):
@ -222,31 +230,18 @@ class Client(requests.Session):
def _create_websocket_connection(self, url):
return websocket.create_connection(url)
def _stream_result(self, response):
"""Generator for straight-out, non chunked-encoded HTTP responses."""
def _get_raw_response_socket(self, response):
self._raise_for_status(response)
for line in response.iter_lines(chunk_size=1, decode_unicode=True):
# filter out keep-alive new lines
if line:
yield line + '\n'
def _stream_result_socket(self, response):
self._raise_for_status(response)
return response.raw._fp.fp._sock
if six.PY3:
return response.raw._fp.fp.raw._sock
else:
return response.raw._fp.fp._sock
def _stream_helper(self, response):
"""Generator for data coming from a chunked-encoded HTTP response."""
socket_fp = self._stream_result_socket(response)
socket_fp.setblocking(1)
socket = socket_fp.makefile()
while True:
size = int(socket.readline(), 16)
if size <= 0:
break
data = socket.readline()
if not data:
break
yield data
for line in response.iter_lines(chunk_size=32):
if line:
yield line
def _multiplexed_buffer_helper(self, response):
"""A generator of multiplexed data blocks read from a buffered
@ -265,17 +260,20 @@ class Client(requests.Session):
def _multiplexed_socket_stream_helper(self, response):
"""A generator of multiplexed data blocks coming from a response
socket."""
socket = self._stream_result_socket(response)
socket = self._get_raw_response_socket(response)
def recvall(socket, size):
data = ''
blocks = []
while size > 0:
block = socket.recv(size)
if not block:
return None
data += block
blocks.append(block)
size -= len(block)
sep = bytes() if six.PY3 else str()
data = sep.join(blocks)
return data
while True:
@ -304,9 +302,18 @@ class Client(requests.Session):
u = self._url("/containers/{0}/attach".format(container))
response = self._post(u, params=params, stream=stream)
# Stream multi-plexing was introduced in API v1.6.
# Stream multi-plexing was only introduced in API v1.6. Anything before
# that needs old-style streaming.
if utils.compare_version('1.6', self._version) < 0:
return stream and self._stream_result(response) or \
def stream_result():
self._raise_for_status(response)
for line in response.iter_lines(chunk_size=1,
decode_unicode=True):
# filter out keep-alive new lines
if line:
yield line
return stream_result() if stream else \
self._result(response, binary=True)
return stream and self._multiplexed_socket_stream_helper(response) or \
@ -319,13 +326,15 @@ class Client(requests.Session):
'stderr': 1,
'stream': 1
}
if ws:
return self._attach_websocket(container, params)
if isinstance(container, dict):
container = container.get('Id')
u = self._url("/containers/{0}/attach".format(container))
return self._stream_result_socket(self.post(
return self._get_raw_response_socket(self.post(
u, None, params=self._attach_params(params), stream=True))
def build(self, path=None, tag=None, quiet=False, fileobj=None,
@ -341,6 +350,9 @@ class Client(requests.Session):
else:
context = utils.tar(path)
if utils.compare_version('1.8', self._version) >= 0:
stream = True
u = self._url('/build')
params = {
't': tag,
@ -352,6 +364,19 @@ class Client(requests.Session):
if context is not None:
headers = {'Content-Type': 'application/tar'}
if utils.compare_version('1.9', self._version) >= 0:
# If we don't have any auth data so far, try reloading the config
# file one more time in case anything showed up in there.
if not self._auth_configs:
self._auth_configs = auth.load_config()
# Send the full auth configuration (if any exists), since the build
# could use any (or all) of the registries.
if self._auth_configs:
headers['X-Registry-Config'] = auth.encode_full_header(
self._auth_configs
)
response = self._post(
u,
data=context,
@ -363,8 +388,9 @@ class Client(requests.Session):
if context is not None:
context.close()
if stream:
return self._stream_result(response)
return self._stream_helper(response)
else:
output = self._result(response)
srch = r'Successfully built ([0-9a-f]+)'
@ -403,6 +429,8 @@ class Client(requests.Session):
return res
def copy(self, container, resource):
if isinstance(container, dict):
container = container.get('Id')
res = self._post_json(
self._url("/containers/{0}/copy".format(container)),
data={"Resource": resource},
@ -416,12 +444,12 @@ class Client(requests.Session):
mem_limit=0, ports=None, environment=None, dns=None,
volumes=None, volumes_from=None,
network_disabled=False, name=None, entrypoint=None,
cpu_shares=None, working_dir=None):
cpu_shares=None, working_dir=None, domainname=None):
config = self._container_config(
image, command, hostname, user, detach, stdin_open, tty, mem_limit,
ports, environment, dns, volumes, volumes_from, network_disabled,
entrypoint, cpu_shares, working_dir
entrypoint, cpu_shares, working_dir, domainname
)
return self.create_container_from_config(config, name)
@ -440,21 +468,7 @@ class Client(requests.Session):
format(container))), True)
def events(self):
u = self._url("/events")
socket = self._stream_result_socket(self.get(u, stream=True))
while True:
chunk = socket.recv(4096)
if chunk:
# Messages come in the format of length, data, newline.
length, data = chunk.split("\n", 1)
length = int(length, 16)
if length > len(data):
data += socket.recv(length - len(data))
yield json.loads(data)
else:
break
return self._stream_helper(self.get(self._url('/events'), stream=True))
def export(self, container):
if isinstance(container, dict):
@ -471,6 +485,8 @@ class Client(requests.Session):
def images(self, name=None, quiet=False, all=False, viz=False):
if viz:
if utils.compare_version('1.7', self._version) >= 0:
raise Exception('Viz output is not supported in API >= 1.7!')
return self._result(self._get(self._url("images/viz")))
params = {
'filter': name,
@ -618,7 +634,7 @@ class Client(requests.Session):
self._auth_configs = auth.load_config()
authcfg = auth.resolve_authconfig(self._auth_configs, registry)
# Do not fail here if no atuhentication exists for this specific
# Do not fail here if no authentication exists for this specific
# registry as we can have a readonly pull. Just put the header if
# we can.
if authcfg:
@ -644,7 +660,7 @@ class Client(requests.Session):
self._auth_configs = auth.load_config()
authcfg = auth.resolve_authconfig(self._auth_configs, registry)
# Do not fail here if no atuhentication exists for this specific
# Do not fail here if no authentication exists for this specific
# registry as we can have a readonly pull. Just put the header if
# we can.
if authcfg:
@ -652,7 +668,7 @@ class Client(requests.Session):
response = self._post_json(u, None, headers=headers, stream=stream)
else:
response = self._post_json(u, authcfg, stream=stream)
response = self._post_json(u, None, stream=stream)
return stream and self._stream_helper(response) \
or self._result(response)

2
fig/packages/docker/unixconn/unixconn.py
View File

@ -40,7 +40,7 @@ class UnixHTTPConnection(httplib.HTTPConnection, object):
self.sock = sock
def _extract_path(self, url):
#remove the base_url entirely..
# remove the base_url entirely..
return url.replace(self.base_url, "")
def request(self, method, url, **kwargs):

2
fig/packages/docker/utils/__init__.py
View File

@ -1,3 +1,3 @@
from .utils import (
compare_version, convert_port_bindings, mkbuildcontext, ping, tar
compare_version, convert_port_bindings, mkbuildcontext, ping, tar, parse_repository_tag
) # flake8: noqa

36
fig/packages/docker/utils/utils.py
View File

@ -15,6 +15,7 @@
import io
import tarfile
import tempfile
from distutils.version import StrictVersion
import requests
from fig.packages import six
@ -51,15 +52,34 @@ def tar(path):
def compare_version(v1, v2):
return float(v2) - float(v1)
"""Compare docker versions
>>> v1 = '1.9'
>>> v2 = '1.10'
>>> compare_version(v1, v2)
1
>>> compare_version(v2, v1)
-1
>>> compare_version(v2, v2)
0
"""
s1 = StrictVersion(v1)
s2 = StrictVersion(v2)
if s1 == s2:
return 0
elif s1 > s2:
return -1
else:
return 1
def ping(url):
try:
res = requests.get(url)
return res.status >= 400
except Exception:
return False
else:
return res.status_code < 400
def _convert_port_binding(binding):
@ -94,3 +114,15 @@ def convert_port_bindings(port_bindings):
else:
result[key] = [_convert_port_binding(v)]
return result
def parse_repository_tag(repo):
column_index = repo.rfind(':')
if column_index < 0:
return repo, ""
tag = repo[column_index+1:]
slash_index = tag.find('/')
if slash_index < 0:
return repo[:column_index], tag
return repo, ""

2
tests/testcases.py
View File

@ -18,7 +18,7 @@ class DockerClientTestCase(unittest.TestCase):
self.client.kill(c['Id'])
self.client.remove_container(c['Id'])
for i in self.client.images():
if isinstance(i['Tag'], basestring) and 'figtest' in i['Tag']:
if isinstance(i.get('Tag'), basestring) and 'figtest' in i['Tag']:
self.client.remove_image(i)
def create_service(self, name, **kwargs):