mirror of
https://github.com/docker/compose.git
synced 2025-10-18 22:03:47 +02:00
124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
from __future__ import absolute_import
|
|
from __future__ import unicode_literals
|
|
|
|
import logging
|
|
import os.path
|
|
import ssl
|
|
|
|
from docker import APIClient
|
|
from docker.errors import TLSParameterError
|
|
from docker.tls import TLSConfig
|
|
from docker.utils import kwargs_from_env
|
|
from docker.utils.config import home_dir
|
|
|
|
from ..config.environment import Environment
|
|
from ..const import HTTP_TIMEOUT
|
|
from .errors import UserError
|
|
from .utils import generate_user_agent
|
|
from .utils import unquote_path
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def default_cert_path():
|
|
return os.path.join(home_dir(), '.docker')
|
|
|
|
|
|
def get_tls_version(environment):
|
|
compose_tls_version = environment.get('COMPOSE_TLS_VERSION', None)
|
|
if not compose_tls_version:
|
|
return None
|
|
|
|
tls_attr_name = "PROTOCOL_{}".format(compose_tls_version)
|
|
if not hasattr(ssl, tls_attr_name):
|
|
log.warn(
|
|
'The "{}" protocol is unavailable. You may need to update your '
|
|
'version of Python or OpenSSL. Falling back to TLSv1 (default).'
|
|
.format(compose_tls_version)
|
|
)
|
|
return None
|
|
|
|
return getattr(ssl, tls_attr_name)
|
|
|
|
|
|
def tls_config_from_options(options, environment=None):
|
|
environment = environment or Environment()
|
|
cert_path = environment.get('DOCKER_CERT_PATH') or None
|
|
|
|
tls = options.get('--tls', False)
|
|
ca_cert = unquote_path(options.get('--tlscacert'))
|
|
cert = unquote_path(options.get('--tlscert'))
|
|
key = unquote_path(options.get('--tlskey'))
|
|
# verify is a special case - with docopt `--tlsverify` = False means it
|
|
# wasn't used, so we set it if either the environment or the flag is True
|
|
# see https://github.com/docker/compose/issues/5632
|
|
verify = options.get('--tlsverify') or environment.get_boolean('DOCKER_TLS_VERIFY')
|
|
|
|
skip_hostname_check = options.get('--skip-hostname-check', False)
|
|
if cert_path is not None and not any((ca_cert, cert, key)):
|
|
# FIXME: Modify TLSConfig to take a cert_path argument and do this internally
|
|
cert = os.path.join(cert_path, 'cert.pem')
|
|
key = os.path.join(cert_path, 'key.pem')
|
|
ca_cert = os.path.join(cert_path, 'ca.pem')
|
|
|
|
if verify and not any((ca_cert, cert, key)):
|
|
# Default location for cert files is ~/.docker
|
|
ca_cert = os.path.join(default_cert_path(), 'ca.pem')
|
|
cert = os.path.join(default_cert_path(), 'cert.pem')
|
|
key = os.path.join(default_cert_path(), 'key.pem')
|
|
|
|
tls_version = get_tls_version(environment)
|
|
|
|
advanced_opts = any([ca_cert, cert, key, verify, tls_version])
|
|
|
|
if tls is True and not advanced_opts:
|
|
return True
|
|
elif advanced_opts: # --tls is a noop
|
|
client_cert = None
|
|
if cert or key:
|
|
client_cert = (cert, key)
|
|
|
|
return TLSConfig(
|
|
client_cert=client_cert, verify=verify, ca_cert=ca_cert,
|
|
assert_hostname=False if skip_hostname_check else None,
|
|
ssl_version=tls_version
|
|
)
|
|
|
|
return None
|
|
|
|
|
|
def docker_client(environment, version=None, tls_config=None, host=None,
|
|
tls_version=None):
|
|
"""
|
|
Returns a docker-py client configured using environment variables
|
|
according to the same logic as the official Docker client.
|
|
"""
|
|
try:
|
|
kwargs = kwargs_from_env(environment=environment, ssl_version=tls_version)
|
|
except TLSParameterError:
|
|
raise UserError(
|
|
"TLS configuration is invalid - make sure your DOCKER_TLS_VERIFY "
|
|
"and DOCKER_CERT_PATH are set correctly.\n"
|
|
"You might need to run `eval \"$(docker-machine env default)\"`")
|
|
|
|
if host:
|
|
kwargs['base_url'] = host
|
|
if tls_config:
|
|
kwargs['tls'] = tls_config
|
|
|
|
if version:
|
|
kwargs['version'] = version
|
|
|
|
timeout = environment.get('COMPOSE_HTTP_TIMEOUT')
|
|
if timeout:
|
|
kwargs['timeout'] = int(timeout)
|
|
else:
|
|
kwargs['timeout'] = HTTP_TIMEOUT
|
|
|
|
kwargs['user_agent'] = generate_user_agent()
|
|
|
|
client = APIClient(**kwargs)
|
|
client._original_base_url = kwargs.get('base_url')
|
|
|
|
return client
|