Open Stack

Hi folks,

Sorry for late reply, i was trying to install this without following any ready-to-use scripts ( but i used one :( ) to understand how things are made. So i installed XCP 1.4.90 from DVD and configured it from installation screen.

Execute the following commands on dom0
------- Dom 0 Extra Config --------
cd /etc/xapi.d/plugins/
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/xenhost
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/xenstore.py
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/pluginlib_nova.py
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/migration
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/glance
wget -q https://raw.github.com/openstack/nova/master/plugins/xenserver/xenapi/etc/xapi.d/plugins/agent
chmod 777 *
service xapi restart
-----------------------------------

After that i downloaded XenCenter and created a VM from Ubuntu Server 11.10 CD... (all from below is on guest)

After this, i did updated all the system with command apt-get update && apt-get upgrade -y && apt-get dist-upgrade -y and rebooted the machine. When you do this, you'll boot on newer kernel (3.0.0-16-server, check with uname -a command)... and unsinstall the old kernel (apt-get purge linux-image-3.0.0-12-server).

After this, i did installed the virtual kernel (3.0.0-16-virtual) and rebooted the machine. Check if you rebooted in this kernel via uname -a and unsinstall the old kernel.

After this, execute on dom0 again:
------- Dom 0 Extra Config --------
cd ~
wget http://94.212.78.134/res/xenserver/makepv.sh
chmod +x makepv.sh
./makepv.sh YOUR-XEN-GUEST-NAME
-----------------------------------

After this, you can do
apt-get install -y cracklib-runtime curl wget ssh openssh-server tcpdump ethtool python-pip git vim-nox sudo
and
pip install xenapi
wget http://images.ansolabs.com/xen/xe-guest-utilities_5.6.100-651_amd64.deb -O xe-guest-utilities_5.6.100-651_amd64.deb
dpkg -i xe-guest-utilities_5.6.100-651_amd64.deb
update-rc.d -f xe-linux-distribution remove
update-rc.d xe-linux-distribution defaults

mkdir -p /usr/share/cracklib
echo a | cracklib-packer
pwconv

echo root:password | chpasswd

rm -f /etc/localtime
groupadd libvirtd
useradd stack -s /bin/bash -d /opt/stack -G libvirtd
echo stack:password | chpasswd
echo "stack ALL=(ALL) NOPASSWD: ALL" >> etc/sudoers
mkdir -p /opt/stack
chown -R stack /opt/stack

After all this, you can install nova-compute , copy nova.conf from your controller and configure the following vars:
--connection_type=xenapi
--xenapi_connection_username=root
--xenapi_connection_password=password
--xenapi_connection_url=http://<<XENDOM0IP>>

and restart your nova-compute service.

You can test your XenAPI configuration using sudo nova-manage shell python and after pasting this
import XenAPI
import nova.virt.xenapi_conn
nova.virt.xenapi_conn.XenAPI = XenAPI
x = nova.virt.xenapi_conn.XenAPIConnection("http://<<XENDOM0IP>>","root","password")
x.list_instances()

------

After all this things, i got Xen working, but i have a error with bridge now, as trace below:

2012-03-23 16:30:00,116 DEBUG nova.virt.xenapi [-] Updating host stats from (pid=23556) update_status /usr/lib/python2.7/dist-packages/nova/virt/xenapi_conn.py:488
2012-03-23 16:30:00,988 WARNING nova.virt.xenapi [-] Task [Async.host.call_plugin] OpaqueRef:d7a9f0df-0c7c-a760-6b76-3e985c747b1d status: failure    ['XENAPI_PLUGIN_FAILURE', 'host_data', 'KeyError', "'host_uuid'"]
2012-03-23 16:30:00,992 WARNING nova.compute.manager [-] Error during report_driver_status(): ['XENAPI_PLUGIN_FAILURE', 'host_data', 'KeyError', "'host_uuid'"]
2

And yes, my permissions are 777 to all plugins.

> From: todd.deshane at xen.org
> Date: Wed, 21 Mar 2012 11:04:19 -0400
> To: openstack at lists.launchpad.net
> Subject: Re: [Openstack] [OpenStack] Xen Hypervisor
> 
> Just realized my reply was accidentally not sent to the list.
> 
> On Tue, Mar 20, 2012 at 2:03 PM, Todd Deshane <todd.deshane at xen.org> wrote:
> > Please post specific error messages.
> >
> > Some general suggestions inline.
> >
> > On Tue, Mar 20, 2012 at 12:56 PM, Alexandre Leites <alex_tkd at live.com> wrote:
> >> Hi folks,
> >>
> >> First let me say that i'm trying to install xen hypervisor and integrate it
> >> with OpenStack for more than one week. I'm studying OpenStack for a company
> >> and this company doesn't allow us to use ready scripts (Why? they want to be
> >> different from the whole world).
> >>
> >> I have used some links for references:
> >> https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md
> >> http://wiki.openstack.org/XenAPI
> >> http://wiki.openstack.org/XenServer/DevStack
> >> http://wiki.openstack.org/XenServer/Install
> >> http://wiki.openstack.org/XenServerDevelopment
> >> http://wiki.openstack.org/XenXCPAndXenServer
> >> http://wiki.xen.org/wiki/XAPI_on_Ubuntu
> >> http://wiki.xen.org/xenwiki/XAPI_on_debian
> >> https://github.com/openstack/openstack-chef/tree/master/cookbooks/xenserver
> >> https://review.openstack.org/#change,5419
> >>
> >> Me and my coworker are trying to install this and integrate on a running and
> >> tested OpenStack infrastructure, so this machines will have just
> >> nova-compute service. He is trying with XCP and I with XenServer, so let me
> >> introduces our tries:
> >>
> >> 1. XCP On Ubuntu (Kronos)
> >> * Install fine
> >> * Doesn't work
> >>
> >
> > There are devstack scripts that create the VMs for you on this
> > xcp-toolstack branch.
> > https://github.com/mcclurmc/devstack/tree/xcp-toolstack
> >
> > Kronos hasn't officially been released to anything stable yet, but
> > Ubuntu 12.04 and Debian Wheezy should have decently stable support.
> >
> >> 2. XCP On CentOS
> >> * Install fine
> >> * We can run a instance of Ubuntu using XenCenter
> >> * Installed nova-compute and configured it.
> >> * No Errors, but when we try to run a instance on it, appears on an error
> >> about XAPI.
> >> * We read something about privileged guest, how to set it?
> >>
> >
> > It sounds like you need to convert your VM to a PV guest and not a HVM guest.
> >
> > see:
> > https://lists.launchpad.net/openstack/msg06522.html
> >
> >> 3. DevStack (We can't use this, but also tried to)
> >> * Install XenServer (or XCP, we tested on both)
> >> * Following
> >> https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md
> >> guide
> >> * On Step 4, it wont create ALLINONE.xva and give some errors about
> >> directories on console (running script with root user on XenServer)
> >>
> > post the specific errors and we can help you work through it.
> >
> >> I hope that someone can help me solve this problems, and maybe help someone
> >> else to install Xen and integrate with OpenStack.
> >>
> >> @OffTopic
> >> Why this is so difficult?
> >
> > We are working on making everything work together smoothly. Sorry that
> > you have ran into so much trouble so far.
> >
> > Cheers,
> > Todd
> >
> > --
> > Todd Deshane
> > http://www.linkedin.com/in/deshantm
> > http://blog.xen.org/
> > http://wiki.xen.org/
> 
> 
> 
> -- 
> Todd Deshane
> http://www.linkedin.com/in/deshantm
> http://blog.xen.org/
> http://wiki.xen.org/
> 
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