def build(
working_dir_path: str,
template_file_path: str,
var_file_paths: List[str] = None,
vars: dict = None,
vars_from_files: dict = None,
debug: bool = False,
force: bool = False) -> dict:
packer_command_args = []
# add any specified var file paths
if var_file_paths:
for var_file_path in var_file_paths:
packer_command_args.append(f"-var-file={var_file_path}")
# add any specified vars
if vars:
for var_name, var_value in vars.items():
packer_command_args.append(f"-var={var_name}={var_value}")
# add any vars from files
if vars_from_files:
for var_name, file_path in vars_from_files.items():
var_value = \
read_value_from_file(
file_path,
working_dir=working_dir_path)
packer_command_args.append(f"-var={var_name}={var_value}")
# add force if requested
if force:
packer_command_args.append("-force")
# dump args on debug
if debug:
log('build args:')
log_pretty(packer_command_args)
# execute build command
packer_command_result = _packer(
'build',
*packer_command_args,
template_file_path,
working_dir=working_dir_path)
# get build manifest from output
packer_build_manifest = \
_parse_packer_parsed_output_for_build_manifest(packer_command_result)
# return the manifest
return packer_build_manifest
def validate(working_dir_path: str,
template_file_path: str,
only_builder: str = None,
var_file_paths: List[str] = None,
vars: dict = None,
vars_from_files: dict = None,
syntax_only: bool = False,
debug: bool = False) -> None:
packer_command_args = []
# add any specified var file paths
if var_file_paths:
for var_file_path in var_file_paths:
packer_command_args.append(f"-var-file={var_file_path}")
# add any specified vars
if vars:
for var_name, var_value in vars.items():
packer_command_args.append(f"-var={var_name}={var_value}")
# add any vars from files
if vars_from_files:
for var_name, file_path in vars_from_files.items():
var_value = \
read_value_from_file(
file_path,
working_dir=working_dir_path)
packer_command_args.append(f"-var={var_name}={var_value}")
# optionally check only syntax
if syntax_only:
packer_command_args.append('-syntax-only')
# optionally check only builder
if only_builder:
packer_command_args.append(f"-only={only_builder}")
# dump args on debug
if debug:
log('validate args:')
log_pretty(packer_command_args)
# execute validate command
_packer('validate',
*packer_command_args,
template_file_path,
working_dir=working_dir_path)
def _process_env_var_files(env_var_files: dict, working_dir: str) -> None:
for var_name, file_path in env_var_files.items():
os.environ[var_name] = (read_value_from_file(file_path,
working_dir=working_dir))