Re: [gentoo-catalyst] [PATCH 2/2] catalyst: create namespaces for building

[Brian Dolbec <dolsen@gentoo.org>]

On Tue,  6 Oct 2015 16:32:53 -0400
Mike Frysinger <vapier@gentoo.org> wrote:

> This helps isolate the catalyst builds from the rest of the system
> and allows us to build as non-root user in more cases.  This might
> not work everywhere, but it's a start (snapshot generation works).
> ---
>  catalyst/main.py | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/catalyst/main.py b/catalyst/main.py
> index 65e1431..f984653 100644
> --- a/catalyst/main.py
> +++ b/catalyst/main.py
> @@ -10,6 +10,8 @@ import argparse
>  import os
>  import sys
>  
> +from snakeoil.process import namespaces
> +
>  __selfpath__ = os.path.abspath(os.path.dirname(__file__))
>  
>  from DeComp.definitions import (COMPRESS_DEFINITIONS,
> DECOMPRESS_DEFINITIONS, @@ -336,6 +338,13 @@ def main():
>  	if "target" not in addlargs:
>  		raise CatalystError("Required value \"target\" not
> specified.") 
> +	# Start off by creating unique namespaces to run in.
> +	namespaces.simple_unshare(
> +		mount=True, uts=True, ipc=True, pid=True, net=False,
> user=True,
> +		hostname='catalyst')
> +
> +	# We should be root now, either a real root, or in a userns
> as root.
> +	# If we aren't, then we've failed, and need to abort.
>  	if os.getuid() != 0:
>  		# catalyst cannot be run as a normal user due to
> chroots, mounts, etc print "!!! catalyst: This script requires root
> privileges to operate"

I was hoping to get a release out before merging much more, but, I
doubt this will affect stability.

looks good 

-- 
Brian Dolbec <dolsen>