I got the compute node working by adding the delorean-kilo.repo on compute node,
yum updating the compute node, rebooted and extended the packstack file from the first AIO
install with the IP of compute node and ran packstack again with NetworkManager enabled
and did a second yum update on compute node before the 3rd packstack run, and now it works :-)

In short, for RC2 we have to force by hand to get the nova-compute running on compute node,
before running packstack from controller again from an existing AIO install.

Now I have 2 compute nodes (controller AIO with compute + 2nd compute) and could spawn a
3rd cirros instance which landed on 2nd compute node.
ssh'ing into the instances over the floating ip works fine too.

Before running packstack again, I set:

EXCLUDE_SERVERS=<ip of controller>

[root@csky01 ~(keystone_osx)]# virsh list --all

 Id    Name                           Status

----------------------------------------------------

 2     instance-00000001              laufend --> means running in German

 3     instance-00000002              laufend --> means running in German


[root@csky06 ~]# virsh list --all

 Id    Name                           Status

----------------------------------------------------

 2     instance-00000003              laufend --> means running in German


== Nova managed services ==

+----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+

| Id | Binary           | Host           | Zone     | Status  | State | Updated_at                 | Disabled Reason |

+----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+

| 1  | nova-consoleauth | csky01.csg.net | internal | enabled | up    | 2015-05-01T19:46:42.000000 | -               |

| 2  | nova-conductor   | csky01.csg.net | internal | enabled | up    | 2015-05-01T19:46:42.000000 | -               |

| 3  | nova-scheduler   | csky01.csg.net | internal | enabled | up    | 2015-05-01T19:46:42.000000 | -               |

| 4  | nova-compute     | csky01.csg.net | nova     | enabled | up    | 2015-05-01T19:46:40.000000 | -               |

| 5  | nova-cert        | csky01.csg.net | internal | enabled | up    | 2015-05-01T19:46:42.000000 | -               |

| 6  | nova-compute     | csky06.csg.net | nova     | enabled | up    | 2015-05-01T19:46:38.000000 | -               |

+----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+



On Fri, May 1, 2015 at 9:02 AM, Boris Derzhavets <bderzhavets@hotmail.com> wrote:
Ran packstack --debug --answer-file=./answer-fileRC2.txt
192.169.142.137_nova.pp.log.gz attached

Boris

From: bderzhavets@hotmail.com
To: apevec@gmail.com
Date: Fri, 1 May 2015 01:44:17 -0400
CC: rdo-list@redhat.com
Subject: [Rdo-list] Failure to start openstack-nova-compute on Compute Node when testing delorean RC2 or CI repo on CentOS 7.1

Follow instructions https://www.redhat.com/archives/rdo-list/2015-April/msg00254.html
packstack fails :-

Applying 192.169.142.127_nova.pp
Applying 192.169.142.137_nova.pp
192.169.142.127_nova.pp:                             [ DONE ]     
192.169.142.137_nova.pp:                          [ ERROR ]       
Applying Puppet manifests                         [ ERROR ]

ERROR : Error appeared during Puppet run: 192.169.142.137_nova.pp
Error: Could not start Service[nova-compute]: Execution of '/usr/bin/systemctl start openstack-nova-compute' returned 1: Job for openstack-nova-compute.service failed. See 'systemctl status openstack-nova-compute.service' and 'journalctl -xn' for details.
You will find full trace in log /var/tmp/packstack/20150501-081745-rIpCIr/manifests/192.169.142.137_nova.pp.log

In both cases (RC2 or CI repos)  on compute node 192.169.142.137 /var/log/nova/nova-compute.log
reports :-

2015-05-01 08:21:41.354 4999 INFO oslo.messaging._drivers.impl_rabbit [req-0ae34524-9ee0-4a87-aa5a-fff5d1999a9c ] Delaying reconnect for 1.0 seconds...
2015-05-01 08:21:42.355 4999 INFO oslo.messaging._drivers.impl_rabbit [req-0ae34524-9ee0-4a87-aa5a-fff5d1999a9c ] Connecting to AMQP server on localhost:5672
2015-05-01 08:21:42.360 4999 ERROR oslo.messaging._drivers.impl_rabbit [req-0ae34524-9ee0-4a87-aa5a-fff5d1999a9c ] AMQP server on localhost:5672 is unreachable: [Errno 111] ECONNREFUSED. Trying again in 11 seconds.

Seems like it is looking for AMQP Server at wrong host . Should be 192.169.142.127
On 192.169.142.127 :-

[root@ip-192-169-142-127 ~]# netstat -lntp | grep 5672
==>  tcp        0      0 0.0.0.0:25672           0.0.0.0:*               LISTEN      14506/beam.smp     
        tcp6       0      0 :::5672                              :::*                    LISTEN      14506/beam.smp  

[root@ip-192-169-142-127 ~]# iptables-save | grep 5672
-A INPUT -s 192.169.142.127/32 -p tcp -m multiport --dports 5671,5672 -m comment --comment "001 amqp incoming amqp_192.169.142.127" -j ACCEPT
-A INPUT -s 192.169.142.137/32 -p tcp -m multiport --dports 5671,5672 -m comment --comment "001 amqp incoming amqp_192.169.142.137" -j ACCEPT

Answer-file is attached

Thanks.
Boris

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