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pidns01.cD12-May-20243.1 KiB11955

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pidns06.cD12-May-20244.1 KiB13471

pidns10.cD12-May-20243 KiB11358

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pidns13.cD12-May-20242.8 KiB12780

pidns16.cD12-May-20244.3 KiB15889

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pidns30.cD12-May-20247.2 KiB297181

pidns31.cD12-May-20248.2 KiB331205

pidns32.cD12-May-20242.1 KiB10269

pidns_helper.hD12-May-20241 KiB3819

README

1################################################################################
2##                                                                            ##
3## Copyright (c) International Business Machines  Corp., 2007                 ##
4##                                                                            ##
5## This program is free software;  you can redistribute it and#or modify      ##
6## it under the terms of the GNU General Public License as published by       ##
7## the Free Software Foundation; either version 2 of the License, or          ##
8## (at your option) any later version.                                        ##
9##                                                                            ##
10## This program is distributed in the hope that it will be useful, but        ##
11## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
12## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
13## for more details.                                                          ##
14##                                                                            ##
15## You should have received a copy of the GNU General Public License          ##
16## along with this program;  if not, write to the Free Software               ##
17## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    ##
18##                                                                            ##
19################################################################################
20
21PIDNS testcases Overview:
22
23 A pid namespace is a view of particular set of tasks on the system. For processes, a process may have pid 1234 in one namespace, but have pid 1 in another.This allows processes to use process ids which are in use in other pid namespaces, without having to worry about what pids exist in other namespaces.
24
25"A process has a pid in every ancestor pid namespaces up to the initial pid namespace.  If process B is in a child namespace relative to process A, then process A will see process B by the pid which is valid in process A's pid namespace."
26
27"Another way of specifying process visibility, then is that process A will see all tasks which have a valid pid in process A's pid namespace."
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31Testcases:
32
331> Check the process id of container after cloning as 1.
342> After creation of container the PID Namespace of the container should have the parent group id as 1 and also session id as 1.
353> Create container: pass the parent namespacei id: mount /proc directory: check parent namespace id inside container: if it is exiting then PASS otherwise FAIL.
36
37Check for PIDNS enablement: from 2.6.24 kernel version.
38