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, and the configuration file path.
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:
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, path)
def testDockerNotInstalled(self):
self.StartObjectPatch(
cred_utils.Configuration, 'ReadFromDisk'
).side_effect = client_lib.InvalidDockerConfigError(
'Could not compare Docker client version:[No such file or directory]'
)
with self.assertRaisesRegex(client_lib.DockerError,
'No such file or directory'):
self.WriteInput('Y\n')
self.Run('auth configure-docker')
