[one-users] Using CloudInit for contextualization

Javier Fontan jfontan at opennebula.org
Tue Feb 4 02:12:43 PST 2014


It should be working. Can you send us the output of "onevm show -x
<vmid>" of one of those machines?

On Mon, Feb 3, 2014 at 6:17 PM, Wilma Hermann <wilma.hermann at gmail.com> wrote:
> Hi,
>
> I'm using the release image from yesterday (02-Feb-2014 03:39) [1]. And the
> machine uses cloud-init 0.7.3:
>
> # virt-cat one-42 /var/log/cloud-init.log | grep running
> 2014-02-03 15:18:56,873 - util.py[DEBUG]: Cloud-init v. 0.7.3 running
> 'init-local' at Mon, 03 Feb 2014 15:18:56 +0000. Up 4.48 seconds.
>
> [1]: http://cloud-images.ubuntu.com/releases/13.10/release/
>
> Thanks in advance
> Wilma
>
> 2014-02-03 Javier Fontan <jfontan at opennebula.org>:
>
>> Are you using a recent version of those images? OpenNebula support was
>> added in cloud-init 0.7.3 and the current images come with that
>> version. User data can be specified with USER_DATA or USERDATA
>> parameters so your configuration seems to be OK.
>>
>> On Mon, Feb 3, 2014 at 5:54 PM, Wilma Hermann <wilma.hermann at gmail.com>
>> wrote:
>> > Hi,
>> >
>> > Well, the core of the problem sounds logical to me. Nevertheless, I have
>> > to
>> > wait 2 minutes for the network initialization to time-out until I can
>> > reboot
>> > the machine using the CtrlAltDel-Button in VNC... That's not
>> > comfortable,
>> > but bearable.
>> >
>> > However, I cannot get that USER_DATA variable to work. Whatever I enter
>> > there, it is obviously ignored. I tried it with the exact code from the
>> > documentation you mentioned, but also with something like
>> >
>> > CONTEXT=[NETWORK="YES",SSH_PUBLIC_KEY="$USER[SSH_PUBLIC_KEY]",
>> >   USER_DATA="#cloud-config
>> > bootcmd:
>> >  - echo HelloWorld > /etc/issue
>> > " ]
>> >
>> > just to get a visual feedback that the USER_DATA is being used by
>> > cloud-init. None of it worked out.
>> >
>> > Is there a special trick with USER_DATA?
>> >
>> > Just in case that's important: I'm using OpenNebula 4.4 with
>> > libvirt/KVM.
>> >
>> > Thanks in advance
>> > Wilma
>> >
>> > 2014-01-30 Javier Fontan <jfontan at opennebula.org>:
>> >
>> >> Unfortunately the current version of cloud-init does not load new
>> >> network parameters after they are configured in some distributions.
>> >> There is a ticket to track that problem [1]
>> >>
>> >> The documentation gives some ideas on how to overcome this [2]:
>> >>
>> >> --8<------
>> >> The current version of cloud-init configures the network before
>> >> running cloud-init configuration. This makes the network configuration
>> >> not reliable. Until a new version that fixes this is released you can
>> >> add OpenNebula context packages or this user data to reboot the
>> >> machine so the network is properly configured.
>> >> ------>8--
>> >>
>> >> [1] https://bugs.launchpad.net/cloud-init/+bug/1225922
>> >> [2]
>> >>
>> >> http://docs.opennebula.org/stable/user/virtual_machine_setup/cloud-init.html
>> >>
>> >> On Tue, Jan 28, 2014 at 1:56 PM, Wilma Hermann
>> >> <wilma.hermann at gmail.com>
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > I'm trying to get a Ubuntu 13.10 guest to work, which uses a official
>> >> > Cloud-image (http://cloud-images.ubuntu.com/saucy/) as disk. However,
>> >> > the VM
>> >> > is not integrating into the virtual network. I've double checked the
>> >> > virtual
>> >> > network settings with CentOS-VMs, the network works correctly.
>> >> >
>> >> > I've found out that CloudInit writes a correct
>> >> > /etc/network/interfaces
>> >> > file
>> >> > with a static address, however, the machine somehow ignores this file
>> >> > and
>> >> > keeps sending DHCP requests without getting an answer (which is
>> >> > intended
>> >> > since we don't use DHCP in the VM's network).
>> >> >
>> >> > # virt-cat one-42 /etc/network/interfaces
>> >> > auto lo
>> >> > iface lo inet loopback
>> >> >
>> >> > auto eth0
>> >> > iface eth0 inet static
>> >> >   address 192.168.129.4
>> >> >   network 192.168.128.0
>> >> >   netmask 255.255.254.0
>> >> >   gateway 192.168.128.1
>> >> >
>> >> > # virt-cat one-42 /var/log/syslog | tail -6
>> >> > Jan 28 12:42:44 ubuntu dhclient: DHCPDISCOVER on eth0 to
>> >> > 255.255.255.255
>> >> > port 67 interval 21 (xid=0x1080a577)
>> >> > Jan 28 12:43:05 ubuntu dhclient: DHCPDISCOVER on eth0 to
>> >> > 255.255.255.255
>> >> > port 67 interval 13 (xid=0x1080a577)
>> >> > Jan 28 12:43:18 ubuntu dhclient: DHCPDISCOVER on eth0 to
>> >> > 255.255.255.255
>> >> > port 67 interval 20 (xid=0x1080a577)
>> >> > Jan 28 12:43:38 ubuntu dhclient: DHCPDISCOVER on eth0 to
>> >> > 255.255.255.255
>> >> > port 67 interval 1 (xid=0x1080a577)
>> >> > Jan 28 12:43:39 ubuntu dhclient: No DHCPOFFERS received.
>> >> > Jan 28 12:43:39 ubuntu dhclient: No working leases in persistent
>> >> > database -
>> >> > sleeping.
>> >> >
>> >> > Does anybody know how the VM template needs to be configured in order
>> >> > to
>> >> > get
>> >> > it working?
>> >> >
>> >> > Thanks in advance
>> >> > Wilma
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Users mailing list
>> >> > Users at lists.opennebula.org
>> >> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Javier Fontán Muiños
>> >> Developer
>> >> OpenNebula - The Open Source Toolkit for Data Center Virtualization
>> >> www.OpenNebula.org | @OpenNebula | github.com/jfontan
>> >
>> >
>>
>>
>>
>> --
>> Javier Fontán Muiños
>> Developer
>> OpenNebula - The Open Source Toolkit for Data Center Virtualization
>> www.OpenNebula.org | @OpenNebula | github.com/jfontan
>
>



-- 
Javier Fontán Muiños
Developer
OpenNebula - The Open Source Toolkit for Data Center Virtualization
www.OpenNebula.org | @OpenNebula | github.com/jfontan


More information about the Users mailing list