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-------- Forwarded Message --------
Subject: 	Re: [Openstack] Upgrading from IceHouse to Juno, perfect!
Date: 	Thu, 6 Nov 2014 02:23:33 -0200
From: 	Martinx - ジェームズ <thiagocmartinsc at gmail.com>
To: 	Vijay Kakkar <vijaykakkars at gmail.com>
CC: 	openstack at lists.openstack.org <openstack at lists.openstack.org>



Sure! Here we go...

Upgrading from IceHouse to Juno on Ubuntu 14.04.1.

-----
1- Stop all OpenStack services on each node, right before running the
upgrade procedure;

  service keystone stop
  cd /etc/init/; for i in $(ls neutron-* | cut -d \. -f 1 | xargs);
do sudo service $i stop; done

  cd /etc/init/; for i in $(ls nova-* | cut -d \. -f 1 | xargs);
do sudo service $i stop; done
  cd /etc/init/; for i in $(ls glance-* | cut -d \. -f 1 | xargs);
do sudo service $i stop; done
  cd /etc/init/; for i in $(ls cinder-* | cut -d \. -f 1 | xargs);
do sudo service $i stop; done
  cd /etc/init/; for i in $(ls heat-* | cut -d \. -f 1 | xargs);
do sudo service $i stop; done
  ...


2- Run this: "curl
-sÂ
https://raw.githubusercontent.com/tmartinx/openstack-guides/master/Juno/controller/etc/apt/sources.list.d/ubuntu-cloud-archive-juno-trusty.listÂ
>
/etc/apt/sources.list.d/ubuntu-cloud-archive-juno-trusty.list"


3- Then: "apt-get install
ubuntu-cloud-keyring python-software-properties ; apt-get update";


4- Upgrade to Juno with: "apt-get dist-upgrade";

  During the upgrade procedure, `dpkg` will ask you to replace some
configuration files, you'll need to chose to keep the files untouched
(n), or to upgrade to the latest version (y).

 I prefer to keep with my `nova.conf` (and with my `ml2_conf.ini`),
since it is very customized. Right after the upgrade, I updated
`nova.conf` file according to `doc.openstack.org/juno`
<http://doc.openstack.org/juno`>.

 Upgrade the following files: neutron.conf, keystone.conf,
glance-registry.conf, glance-api.conf, glance-scrubber.conf,
/etc/openstack-dashboard/local_settings.py, heat.conf...

 Also, keep your ml2_conf.ini (update it later by comparing
`ml2_conf.ini.dpkg-dist`).


5- Repeat step 1, stop all services again (their confs are wrong /
empty / from factory);


6- Manually compare and update all the configuration files that was
upgraded by `dpkg` on step 4, like this:

 cd /etc/keystone
 diff -Nru keystone.conf.dpkg-old keystone.conf | vim -

 Where "keystone.conf.dpkg-old" is your previous "keystone.conf".
Lines starting with "minus -", was removed by new "keystone.conf",
lines starting with "plus +" was added by it. So, you might want to
restore mostly of your customized settings. Like for example:

 admin_token
 bind_host = ::
 connection # [database]

 Save new "keystone.conf" with your custom settings from
"keystone.conf.dpkg-old"...

 Run:

 "rm /var/lib/keystone/keystone.db"
 "su -s /bin/sh -c "keystone-manage db_sync" keystone";
 "service keystone restart"
 "keystone tenant-list"


7- Repeat step 6 for each configuration file... Remember to run
`diff -Nru ... ...` to compare each new config file with its
`backup.conf.dpkg-old` and before running "db_sync" to starting the
services again (for each service you might have), plus a reboot in the
end to make sure everything is working as expected. Pay attention to
your `ml2_conf.ini`, you'll want to enable `ipset`, compare yours with
`ml2_conf.ini.dpkg-dist`. Review your Cinder confs!


8- Enjoy OpenStack Juno!


Note: When updating Neutron Server, you'll need to run:

 neutron-db-manage --config-file
/etc/neutron/neutron.conf --config-file
/etc/neutron/plugins/ml2/ml2_conf.ini stamp icehouse

 ...Before:

 su -s /bin/sh -c "neutron-db-manage
--config-file /etc/neutron/neutron.conf
--config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade juno" neutron
-----


Sorry if this is not a complete upgrade procedure but, let me know if
something goes wrong...

Keep two eyes on `doc.openstack.org/juno` <http://doc.openstack.org/juno`>!

First hand: I'm updating my Juno guide,
here:Â https://github.com/tmartinx/openstack-guides/tree/master/Juno -
I'll announce it later, when finished...    :-)

Best!
Thiago

On 30 October 2014 02:36, Vijay Kakkar <vijaykakkars at gmail.com
<mailto:vijaykakkars at gmail.com>> wrote:
> Great to know Martinx,Can you share some more details of the process which
> you followed to upgrade to Juno ?
>
> On Wed, Oct 29, 2014 at 7:56 AM, Martinx - ジェームズ
<thiagocmartinsc at gmail.com <mailto:thiagocmartinsc at gmail.com>>
> wrote:
>>
>> Hey guys,
>>
>> I just want to say that (small feedback) I just upgraded a huge (for
>> me) OpenStack Region, with about 50 Compute Nodes, from IceHouse to
>> Juno.
>>
>> I'm using Ubuntu 14.04.1.
>>
>> It is working without any problems!
>>
>> The `dpkg` upgraded a lots of config files (keystone.conf, nova.conf,
>> neutron.conf, ml2_conf.ini and etc) but, after reading the new files,
>> I just copied the previous modifications to the new files and voiala'!
>> Juno online!
>>
>> Thank you guys! IceHouse is already impressive and now, with Juno, I
>> have native IPv6 support! YAY! Â  :-D
>>
>> Cheers!
>> Thiago
>>
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>
>
>
> --
> Regards,
>
> Vijay Kakkar - RHC{E,SS,VA,DS,A,I,X}
>
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