def ReadFromDisk(cls, path=None):
"""Reads configuration file and meta-data from default Docker location.
Reads configuration file and meta-data from default Docker location. Returns
a Configuration object containing the full contents of the configuration
file, the configuration file path and Docker version.
Args:
path: string, path to look for the Docker config file. If empty will
attempt to read from the new config location (default).
Returns:
A Configuration object
Raises:
ValueError: path or is_new_format are not set.
InvalidDockerConfigError: config file could not be read as JSON.
"""
path = path or client_utils.GetDockerConfigPath(True)[0]
try:
version = str(client_utils.GetDockerVersion())
content = client_utils.ReadConfigurationFile(path)
except (ValueError, client_utils.DockerError) as err:
raise client_utils.InvalidDockerConfigError(
('Docker configuration file [{}] could not be read as JSON: {}'
).format(path, str(err)))
return cls(content, version, path)
def _EmailFlagDeprecatedForDockerVersion():
"""Checks to see if --email flag is deprecated.
Returns:
True if the installed Docker client version has deprecated the
--email flag during 'docker login,' False otherwise.
"""
try:
version = client_lib.GetDockerVersion()
except exceptions.Error:
# Docker doesn't exist or doesn't like the modern version query format.
# Assume that --email is not deprecated, return False.
return False
return version >= _EMAIL_FLAG_DEPRECATED_VERSION
def DockerVersion(self):
if not self._version:
version_str = str(client_utils.GetDockerVersion())
self._version = distutils_version.LooseVersion(version_str)
return self._version
def DockerVersion(self):
if not self._version:
version_str = six.text_type(client_utils.GetDockerVersion())
self._version = semver.LooseVersion(version_str)
return self._version
def testGetDockerVersionNotFound(self):
self.process_mock.returncode = 1
with self.assertRaisesRegex(
client_lib.DockerError,
'could not retrieve Docker client version'):
client_lib.GetDockerVersion()
def testGetDockerVersion(self):
self.process_mock.communicate.return_value = ("'1.13'",
"'stderr value'")
result = client_lib.GetDockerVersion()
self.assertEqual(_TEST_DOCKER_VERSION, result)