Hi, I do not see NSpid field in status file.
# cat /proc/14307/status | grep -i ns I am running a docker container. docker -v Docker version 1.12.1, build 23cf638 Thanks, Shailendra On 31 January 2018 at 02:09, Stéphane Graber <[email protected]> wrote: > On Tue, Jan 30, 2018 at 10:19:12PM +0530, Shailendra Rana wrote: >> Hi, >> >> Is there a way we can get the PID/GID/UID of a container process using >> the host PID/GID/UID of that container process ? Basically mapping of >> host PID/GID/UID to container PID/GID/UID. >> >> Thanks, >> Shailendra > > It's technically doable, yes, but not particularly enjoyable :) > > stgraber@castiana:~$ ls -lh /proc/ | grep 8261 > dr-xr-xr-x 9 1000000 1000000 0 Jan 30 15:33 8261 > stgraber@castiana:~$ cat /proc/8261/status | grep -i ns > NStgid: 8261 1 > NSpid: 8261 1 > NSpgid: 8261 1 > NSsid: 8261 1 > stgraber@castiana:~$ cat /proc/8261/uid_map > 0 1000000 1000000000 > stgraber@castiana:~$ cat /proc/8261/gid_map > 0 1000000 1000000000 > > > In this case, host PID 8261 is PID 1 in the container as can be found in > the status file. For the owner, you need to read the uid and gid map, > then do the math. > > In this case, the map says that uid 0 in the container is uid 1000000 on > the host. The gid map is the same, so that means that this process is > running as uid=0 gid=0 in the container. > > -- > Stéphane Graber > Ubuntu developer > http://www.ubuntu.com > > _______________________________________________ > lxc-users mailing list > [email protected] > http://lists.linuxcontainers.org/listinfo/lxc-users _______________________________________________ lxc-users mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-users
