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Posted to dev@vcl.apache.org by "Andy Kurth (JIRA)" <ji...@apache.org> on 2012/11/12 15:27:13 UTC

[jira] [Resolved] (VCL-641) VCL fails to properly trim whitespace from `virsh list --all`

     [ https://issues.apache.org/jira/browse/VCL-641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Kurth resolved VCL-641.
----------------------------

    Resolution: Fixed

Committed the change to fix the regex.
                
> VCL fails to properly trim whitespace from `virsh list --all`
> -------------------------------------------------------------
>
>                 Key: VCL-641
>                 URL: https://issues.apache.org/jira/browse/VCL-641
>             Project: VCL
>          Issue Type: Bug
>          Components: vcld (backend)
>    Affects Versions: 2.3
>         Environment: CentOS 6.3
>            Reporter: Nathaniel Sherry
>            Assignee: Andy Kurth
>              Labels: libvirt,, vcld, virsh
>             Fix For: 2.3.1
>
>
> Using the libvirt module, vcld executes `virsh list --all` on a vmhost, which results in the following output
>  Id    Name                           State
> ----------------------------------------------------
>  19    VM1                            running
> (Note: This bug reporting system seems to be trimming extra spaces from the above output.)
> The name of the VM ("VM1") is then extracted as "   VM1", and the command `virsh dumpxml "   VM1"` fails.
> From looking at libvirt.pm's get_domain_info function, it looks like the expectation is that there will only be one space between the id and name columns:
> my ($id, $name, $state) = $line =~ /^\s*([\d\-]+)\s(.+?)\s+(\w+|shut off)$/g;
> I have worked around this issue by adding a '+' after the \s between id and name
> my ($id, $name, $state) = $line =~ /^\s*([\d\-]+)\s+(.+?)\s+(\w+|shut off)$/g;

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