mirror of https://github.com/docker/docs.git
73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
from __future__ import absolute_import
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from __future__ import unicode_literals
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import logging
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import os
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from docker import Client
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from docker.errors import TLSParameterError
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from docker.tls import TLSConfig
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from docker.utils import kwargs_from_env
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from requests.utils import urlparse
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from ..const import HTTP_TIMEOUT
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from .errors import UserError
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log = logging.getLogger(__name__)
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def tls_config_from_options(options):
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tls = options.get('--tls', False)
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ca_cert = options.get('--tlscacert')
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cert = options.get('--tlscert')
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key = options.get('--tlskey')
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verify = options.get('--tlsverify')
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hostname = urlparse(options.get('--host') or '').hostname
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advanced_opts = any([ca_cert, cert, key, verify])
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if tls is True and not advanced_opts:
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return True
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elif advanced_opts:
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client_cert = None
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if cert or key:
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client_cert = (cert, key)
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return TLSConfig(
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client_cert=client_cert, verify=verify, ca_cert=ca_cert,
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assert_hostname=(
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hostname or not options.get('--skip-hostname-check', False)
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)
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)
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else:
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return None
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def docker_client(version=None, tls_config=None, host=None):
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"""
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Returns a docker-py client configured using environment variables
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according to the same logic as the official Docker client.
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"""
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if 'DOCKER_CLIENT_TIMEOUT' in os.environ:
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log.warn("The DOCKER_CLIENT_TIMEOUT environment variable is deprecated. "
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"Please use COMPOSE_HTTP_TIMEOUT instead.")
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try:
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kwargs = kwargs_from_env(assert_hostname=False)
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except TLSParameterError:
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raise UserError(
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"TLS configuration is invalid - make sure your DOCKER_TLS_VERIFY "
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"and DOCKER_CERT_PATH are set correctly.\n"
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"You might need to run `eval \"$(docker-machine env default)\"`")
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if host:
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kwargs['base_url'] = host
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if tls_config:
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kwargs['tls'] = tls_config
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if version:
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kwargs['version'] = version
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kwargs['timeout'] = HTTP_TIMEOUT
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return Client(**kwargs)
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