[one-users] VM_HOOK "on = CREATE" cannot work on remote hosts

[Carlos Martín Sánchez]

Hi,

When a VM is created it is not assigned yet to any host, until the
scheduler decides to deploy it, thus the hook can't be remote.
You can use the RUNNING hook instead.

Regards
--
Carlos Martín, MSc
Project Engineer
OpenNebula - The Open-source Solution for Data Center Virtualization
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>



On Mon, Jun 18, 2012 at 8:34 AM, Akihiko Ota <skywalker.37th at gmail.com>wrote:

> Hi,
>
> I tryed to run a script on remote hosts by VM_HOOK. It works as
> intended if it is defined "on = DONE", but don't work if defined "on =
> CREATE".
> I have defined a hook in etc/oned.conf as follows:
>
> VM_HOOK = [
>   name      = "clear_work",
>   on        = "CREATE",
>   command   = "ft/clear_work.sh",
>   remote    = "YES",
>   arguments = "" ]
>
> Then deployed the script to remote VM hosting machines by "onehost sync",
> and restart oned. But the HOOK had failed.
>
> Mon Jun 18 14:30:08 2012 [HKM][D]: Message received: LOG I 166 Command
> execution fail: /var/tmp/one/hooks//ft/clear_work.sh ""
> Mon Jun 18 14:30:08 2012 [HKM][D]: Message received: LOG I 166 sh:
> /var/tmp/one/hooks//ft/clear_work.sh: No such file or directory
> Mon Jun 18 14:30:08 2012 [HKM][D]: Message received: LOG I 166 ExitCode:
> 127
> Mon Jun 18 14:30:08 2012 [HKM][D]: Message received: EXECUTE FAILURE
> 166 clear_work: -
>
> "/var/tmp/one/hooks//ft/clear_work.sh" script exists on all VM hosting
> machines. So, I had a try deploy a dummy script onto the OpenNebula
> frontend machine:
>
> [ascadm at frontend]% /bin/hostname
> frontend
> [ascadm at frontend]% mkdir -p /var/tmp/one/hooks//ft/
> [ascadm at frontend]% cat > /var/tmp/one/hooks//ft/clear_work.sh
> #!/bin/sh
> /bin/hostname
> ^D
> [ascadm at frontend]% chmod +x /var/tmp/one/hooks//ft/clear_work.sh
> [ascadm at frontend]% onevm create ~/work/vms/normal.one
> ID: 167
>
> [ascadm at frontend]% less /srv/cloud/one/var/oned.log
> (snip)
> Mon Jun 18 14:40:58 2012 [HKM][D]: Message received: LOG I 167 ExitCode: 0
> Mon Jun 18 14:40:58 2012 [HKM][D]: Message received: EXECUTE SUCCESS
> 167 clear_work: frontend
> (snip)
>
> It seems HOOK script runs on the frontend machine instead of the
> remote host. Is this correct behavior?
>
> I am using OpenNebula 3.2.1 on CentOS 5.7(x86_64) now.
>
> Thanks,
>
> --
> Akihiko Ota
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opennebula.org/pipermail/users-opennebula.org/attachments/20120618/22af960b/attachment-0003.htm>