VMBuilder.util

Module util

Functions

string

run_cmd(*argv, **kwargs)
Runs a command.

source code

checkroot()
Check if we're running as root, and bail out if we're not.

source code

render_template(plugin, context, tmplname, extra_context=None)

source code

call_hooks(context, func, *args, **kwargs)

source code

tmp_filename(suffix='', tmp_root=None) source code

tmpdir(suffix='', tmp_root=None) source code

set_up_tmpfs(tmp_root=None, size=1024)
Sets up a tmpfs storage under `tmp_root` with the size of `size` MB.

source code

clean_up_tmpfs(mount_point)
Unmounts a tmpfs storage under `mount_point`.

source code

get_conf_value(context, confparser, key)

source code

apply_config_files_to_context(config_files, context)

source code

Variables

__package__ = 'VMBuilder'

Function Details

Runs a command.

Locale is reset to C to make parsing error messages possible.

Parameters:

stdin (string) - input to provide to the process on stdin. If None, process' stdin will be attached to /dev/null
ignore_fail (boolean) - If True, a non-zero exit code from the command will not cause an exception to be raised.
env (dict) - Dictionary of extra environment variables to set in the new process

Returns: string

string containing the stdout of the process

Sets up a tmpfs storage under `tmp_root` with the size of `size` MB.

`tmp_root` defaults to tempfile.gettempdir().