QA:Testcase vzctl base

Description

Basic tests for OpenVZ Linux Containers and Checkpoint/Restore In Userspace (CRIU)

Known issues

• Random system freezes
  • RHBZ # 982489
• Doesn't work vzctl exec 101 ps axf (proc is not mounted)
  • OpenVZ # 2658
• Doesn't work vzctl suspend 101
  • Kernel older 3.11
    • You shall execute vzctl exec 101 killall udevd
  • criu: command not found
    • yum install crtools (Patch sent to maintainers)
• Doesn't work vzctl restore 101 (VE_VETH_DEVS failure)
  • OpenVZ # 2659

Setup

1. Open terminal
2. Switch to root user: su -
3. Install: yum install vzctl

How to test

1. Create new container: vzctl create 101 --ostemplate centos-6-x86_64
2. Start container: vzctl start 101
3. Exec ps in container: vzctl exec 101 ps axf
4. Enter to container: vzctl enter 101
5. Exec ps in container directly: ps axf
6. Exit from container: logout
7. Suspend container: vzctl suspend 101
8. Restore container: vzctl restore 101 or vzctl resume 101
9. Stop container: vzctl stop 101

Expected Results

The following must be true to consider this a successful test run. Be brief ... but explicit.

1. All steps completes without error
2. Steps #3, #5 shows the same. Like this:

Directory /proc/vz not found, assuming non-OpenVZ kernel
  PID TTY      STAT   TIME COMMAND
  551 pts/0    R+     0:00 ps axf
    1 ?        Ss     0:00 init
   59 ?        S<s    0:00 /sbin/udevd -d
  299 ?        S<     0:00  \_ /sbin/udevd -d
  459 ?        Sl     0:00 /sbin/rsyslogd -i /var/run/syslogd.pid -c 5
  488 ?        Ss     0:00 /usr/sbin/sshd
  495 ?        Ss     0:00 xinetd -stayalive -pidfile /var/run/xinetd.pid
  502 ?        Ss     0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
  503 ?        S      0:00  \_ /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
  518 ?        Ss     0:00 sendmail: accepting connections
  526 ?        Ss     0:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
  534 ?        Ss     0:00 /usr/sbin/httpd
  537 ?        S      0:00  \_ /usr/sbin/httpd
  542 ?        Ss     0:00 crond

Optional

Optionally provide hints for exploratory testing.