Function kwargs_from_env

docker/utils/utils.py:353–388

(environment=None)

def kwargs_from_env(environment=None):
    if not environment:
        environment = os.environ
    host = environment.get('DOCKER_HOST')

    # empty string for cert path is the same as unset.
    cert_path = environment.get('DOCKER_CERT_PATH') or None

    # empty string for tls verify counts as "false".
    # Any value or 'unset' counts as true.
    tls_verify = environment.get('DOCKER_TLS_VERIFY')
    if tls_verify == '':
        tls_verify = False
    else:
        tls_verify = tls_verify is not None
    enable_tls = cert_path or tls_verify

    params = {}

    if host:
        params['base_url'] = host

    if not enable_tls:
        return params

    if not cert_path:
        cert_path = os.path.join(os.path.expanduser('~'), '.docker')

    params['tls'] = TLSConfig(
        client_cert=(os.path.join(cert_path, 'cert.pem'),
                     os.path.join(cert_path, 'key.pem')),
        ca_cert=os.path.join(cert_path, 'ca.pem'),
        verify=tls_verify,
    )

    return params


def convert_filters(filters):