mirror of https://github.com/docker/docker-py.git
87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
import socket
|
|
|
|
import requests.adapters
|
|
import urllib3
|
|
import urllib3.connection
|
|
|
|
from .. import constants
|
|
from .basehttpadapter import BaseHTTPAdapter
|
|
|
|
RecentlyUsedContainer = urllib3._collections.RecentlyUsedContainer
|
|
|
|
|
|
class UnixHTTPConnection(urllib3.connection.HTTPConnection):
|
|
|
|
def __init__(self, base_url, unix_socket, timeout=60):
|
|
super().__init__(
|
|
'localhost', timeout=timeout
|
|
)
|
|
self.base_url = base_url
|
|
self.unix_socket = unix_socket
|
|
self.timeout = timeout
|
|
|
|
def connect(self):
|
|
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
|
|
sock.settimeout(self.timeout)
|
|
sock.connect(self.unix_socket)
|
|
self.sock = sock
|
|
|
|
|
|
class UnixHTTPConnectionPool(urllib3.connectionpool.HTTPConnectionPool):
|
|
def __init__(self, base_url, socket_path, timeout=60, maxsize=10):
|
|
super().__init__(
|
|
'localhost', timeout=timeout, maxsize=maxsize
|
|
)
|
|
self.base_url = base_url
|
|
self.socket_path = socket_path
|
|
self.timeout = timeout
|
|
|
|
def _new_conn(self):
|
|
return UnixHTTPConnection(
|
|
self.base_url, self.socket_path, self.timeout
|
|
)
|
|
|
|
|
|
class UnixHTTPAdapter(BaseHTTPAdapter):
|
|
|
|
__attrs__ = requests.adapters.HTTPAdapter.__attrs__ + ['pools',
|
|
'socket_path',
|
|
'timeout',
|
|
'max_pool_size']
|
|
|
|
def __init__(self, socket_url, timeout=60,
|
|
pool_connections=constants.DEFAULT_NUM_POOLS,
|
|
max_pool_size=constants.DEFAULT_MAX_POOL_SIZE):
|
|
socket_path = socket_url.replace('http+unix://', '')
|
|
if not socket_path.startswith('/'):
|
|
socket_path = f"/{socket_path}"
|
|
self.socket_path = socket_path
|
|
self.timeout = timeout
|
|
self.max_pool_size = max_pool_size
|
|
self.pools = RecentlyUsedContainer(
|
|
pool_connections, dispose_func=lambda p: p.close()
|
|
)
|
|
super().__init__()
|
|
|
|
def get_connection(self, url, proxies=None):
|
|
with self.pools.lock:
|
|
pool = self.pools.get(url)
|
|
if pool:
|
|
return pool
|
|
|
|
pool = UnixHTTPConnectionPool(
|
|
url, self.socket_path, self.timeout,
|
|
maxsize=self.max_pool_size
|
|
)
|
|
self.pools[url] = pool
|
|
|
|
return pool
|
|
|
|
def request_url(self, request, proxies):
|
|
# The select_proxy utility in requests errors out when the provided URL
|
|
# doesn't have a hostname, like is the case when using a UNIX socket.
|
|
# Since proxies are an irrelevant notion in the case of UNIX sockets
|
|
# anyway, we simply return the path URL directly.
|
|
# See also: https://github.com/docker/docker-py/issues/811
|
|
return request.path_url
|