[Bug 1043018] [NEW] lxc-ls lists running containers multiple times

[Dan Kegel]

Public bug reported:

This seems wrong:

$ lxc-ls
demo_centos5  demo_centos6  demofedora16  demo_ubuntu_1004  demo_ubuntu_1204  demo_ubuntu_1204-temp-NjwI1BQ  ubu12-bb-01-ubu12
ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12
ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12  ubu12-bb-01-ubu12

Lessee: lxc-ls does
active=$(netstat -xa 2>/dev/null | grep $lxcpath | \
        sed -e 's#.*'"$lxcpath/"'\(.*\)/command#\1#');

which expands to

++ netstat -xa
++ grep /var/lib/lxc
++ sed -e 's#.*/var/lib/lxc/\(.*\)/command#\1#'
+ active='ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
ubu12-bb-01-ubu12
...

netstat -xa | grep /var/lib/lxc shows
$ netstat -xa | grep /var/lib/lxc
unix  2      [ ACC ]     STREAM     LISTENING     1509155  @/var/lib/lxc/ubu12-bb-01-ubu12/command
unix  2      [ ]         STREAM     CONNECTING    0        @/var/lib/lxc/ubu12-bb-01-ubu12/command
unix  2      [ ]         STREAM     CONNECTING    0        @/var/lib/lxc/ubu12-bb-01-ubu12/command
unix  3      [ ]         STREAM     CONNECTING    0        @/var/lib/lxc/ubu12-bb-01-ubu12/command

So,  perhaps that should be grep "LISTENING.*$lxcpath" ?

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1043018

Title:
  lxc-ls lists running containers multiple times

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