thanks, that is exactly what I wanted !
On Tue, Mar 14, 2017 at 1:37 PM, Stéphane Graber <stgra...@ubuntu.com>
wrote:
> On Tue, Mar 14, 2017 at 11:22:26AM +0100, Benoit Barthelet wrote:
> > ultimately I'd like to do this in python:
> >
> > lxc-attach --clear-env -n lxcws -v TERM=xterm
> >
> > So far I managed to clear the env variables doing the following, but I
> > didn't find a way to pass the TERM env variable.
> >
> > container.attach_wait(lxc.attach_run_command,
> > ["apt-get", "dist-upgrade", "-y"],
> > env_policy=lxc.LXC_ATTACH_CLEAR_ENV)
>
> Easiest I think is to use your own attach function instead of the
> generic lxc.attach_run_command. In that function you can then set
> os.environ as you want and call subprocess to run the command you want.
>
> In the lxc-ci code we have something like this:
>
> def execute(self, cmd, cwd="/"):
> def run_command(args):
> cmd, cwd = args
>
> os.environ['PATH'] = '/usr/sbin:/usr/bin:/sbin:/bin'
> os.environ['HOME'] = '/root'
> if "env" in config and "proxy" in config['env']:
> os.environ["DEBIAN_FRONTEND"] = "noninteractive"
> os.environ['http_proxy'] = config['env']['proxy']
> os.environ['https_proxy'] = config['env']['proxy']
>
> return subprocess.call(cmd, cwd=cwd)
>
> if isinstance(cmd, str):
> pid = self.container.init_pid
> cmdpath = "/proc/%d/root/tmp/exec_script" % pid
> with open(cmdpath, "w+") as fd:
> fd.write(cmd)
> os.chmod(cmdpath, 0o755)
> cmd = ["/tmp/exec_script"]
>
> print(" ==> Executing: \"%s\" in %s" % (" ".join(cmd), cwd))
> return self.container.attach_wait(run_command,
> (cmd, cwd),
> env_policy=lxc.LXC_ATTACH_
> CLEAR_ENV)
>
>
>
> --
> Stéphane Graber
> Ubuntu developer
> http://www.ubuntu.com
>
> _______________________________________________
> lxc-users mailing list
> lxc-users@lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users
>
--
benoit barthelet
http://pgp.mit.edu/pks/lookup?op=get&search=0xF150E01A72F6D2EE
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