def validate_container_options(options: dict) -> ContainerOpts:
"""Validate incoming option types to provide base sanity
Args:
options: Dictionary of options to be used with docker. (Typically fed
from a YAML config file.
Returns:
A filled ContainerOpts information holder.
Raises:
ConfigError: If type of data is incorrect or data is missing.
"""
validated = ContainerOpts()
for key in validated.keys():
if key in options:
data = options[key]
if isinstance(data, (bytes, str)):
data = fops.makestr(data)
validated.set_with_type(key, data)
if not validated.image:
raise ConfigError("'image' not defined in container options.")
if not validated.name:
raise ConfigError("'name' not defined in container options.")
return validated
def encode_base64(path: str) -> str:
"""Reads ``path`` and converts the data to a base64 encode string
Args:
path: Full path to file to base64 encode contents of
Returns:
Base64 encoded data as a string
Raises:
FileNotFoundError: When ``path`` does not exist
IsADirectoryError: When ``path`` is a directory
"""
LOGGER.debug("base64 encoding data from %s", path)
with open(path, 'rb') as file_data:
return fops.makestr(base64.b64encode(file_data.read()))
def hash_sha512(path: str) -> str:
"""Creates a SHA512 hash for ``path``
Args:
path: Full path to file to create hash for.
Returns:
string form of SHA256 hash
Raises:
FileNotFoundError: When ``path`` does not exist
IsADirectoryError: When ``path`` is a directory
"""
LOGGER.debug("Generating SHA512 hash for %s", path)
h_sha512 = hashlib.sha512()
with open(path, 'rb') as hash_file:
buf = hash_file.read(BLOCK_SIZE)
while buf:
h_sha512.update(buf)
buf = hash_file.read(BLOCK_SIZE)
return fops.makestr(h_sha512.hexdigest())