You need to also make sure you set pty=False, otherwise the pseudo-tty allocated for your remote command will be merging the two streams on its end anyways.
See the docs which go into detail about the two settings & how they intersect / why they exist: http://docs.fabfile.org/en/1.10/usage/interactivity.html#combining-the-two On Wed, Feb 24, 2016 at 12:01 PM, cruxpot <[email protected]> wrote: > I'm having an issue getting run and sudo to separate the streams which is > causing issues particularly where sudo presents a first time "lecture" > banner or an error before it runs the command and produces expected output. > In this case, the sudo error is a resolution error on a debian 7 host > running 'whoami'. I have set env.combine_stderr globally (env set at > beginning), "with settings" and as a kwargs argument for sudo(). Same > result, everything goes to stdout no matter I do. > > combine_stderr: 'False' > [user@debian7_x64:22] sudo: busybox whoami > [user@debian7_x64:22] out: sudo: unable to resolve host debian7_x64 > [user@debian7_x64:22] out: sudo password: > [user@debian7_x64:22] out: root > [user@debian7_x64:22] out: > cmd: 'sudo -S -p 'sudo password:' bash -l -c "cd /tmp/tmpdir2 >/dev/null && > export PATH=\"\".:/tmp/tmpdir2:/bin:/usr/bin\"\" && whoami"' SUCCEEDED with > return code: '0', output: > sudo: unable to resolve host debian7_x64 > > > Return values (result.stdout and result.stderr) are: > > stdout: 'sudo: unable to resolve host debian7_x64 > > root' > stderr: '' > > The "unable to resolve host" should go into stderr and I have confirmed this > manually on a shell that it is in fact stderr. Why is this not working? It > causes parsing issues as I want to discard the error output. I know the box > is misconfigured but that is on purpose (simply remove its host definition > in /etc/hosts). > > Code: > with settings(combine_stderr=False): > logger.debug("combine_stderr: '%s'" % env.combine_stderr) > result = sudo(cmd, combine_stderr=False) > > _______________________________________________ > Fab-user mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/fab-user > -- Jeff Forcier Unix sysadmin; Python/Ruby engineer http://bitprophet.org _______________________________________________ Fab-user mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/fab-user
