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<div class="moz-cite-prefix">Trye to start your nova-compute with
--config-file {your nova.conf}. and look at the log at the
beginning to see what options values are used truly.<br>
On 11/16/2012 06:17 AM, Ahmed Al-Mehdi wrote:<br>
</div>
<blockquote cite="mid:CCCAA9F1.4852%25ahmed@coraid.com" type="cite">
<div>Hello,</div>
<div><br>
</div>
<div>On the compute node (IP addr : 10.176.20.4) I am seeing the
following error message in /var/log/nova/nova-compute.log:</div>
<div><br>
</div>
<div>
<div>2012-11-15 14:11:12 INFO nova.openstack.common.rpc.common
[-] <b>Reconnecting to AMQP server on localhost:5672</b></div>
<div>2012-11-15 14:11:12 ERROR nova.openstack.common.rpc.common
[-] AMQP server on localhost:5672 is unreachable: [Errno 111]
ECONNREFUSED. Trying again in 30 seconds.</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
Traceback (most recent call last):</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/impl_kombu.py",
line 469, in reconnect</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
self._connect()</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/impl_kombu.py",
line 446, in _connect</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
self.connection.connect()</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File "/usr/lib/python2.7/dist-packages/kombu/connection.py",
line 154, in connect</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
return self.connection</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File "/usr/lib/python2.7/dist-packages/kombu/connection.py",
line 560, in connection</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
self._connection = self._establish_connection()</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File "/usr/lib/python2.7/dist-packages/kombu/connection.py",
line 521, in _establish_connection</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
conn = self.transport.establish_connection()</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/kombu/transport/pyamqplib.py",
line 255, in establish_connection</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
connect_timeout=conninfo.connect_timeout)</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/kombu/transport/pyamqplib.py",
line 52, in __init__</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
super(Connection, self).__init__(*args, **kwargs)</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/amqplib/client_0_8/connection.py",
line 129, in __init__</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
self.transport = create_transport(host, connect_timeout,
ssl)</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/amqplib/client_0_8/transport.py",
line 281, in create_transport</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
return TCPTransport(host, connect_timeout)</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
File
"/usr/lib/python2.7/dist-packages/amqplib/client_0_8/transport.py",
line 85, in __init__</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
raise socket.error, msg</div>
<div>2012-11-15 14:11:12 TRACE nova.openstack.common.rpc.common
error: [Errno 111] ECONNREFUSED</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>The rabbitmq server is running on the controller node
(10.176.20.158), which is reachable from the compute node. Can
someone please help me understand why the compute node is trying
to connect to AMQP server on localhost.</div>
<div><br>
</div>
<div>nova.conf file is below:</div>
<div><br>
</div>
<div>
<div>[DEFAULT]</div>
<div># LOGS/STATE</div>
<div>verbose=True</div>
<div>logdir=/var/log/nova</div>
<div>state_path=/var/lib/nova</div>
<div>lock_path=/var/lock/nova</div>
<div>rootwrap_config=/etc/nova/rootwrap.conf</div>
<div><br>
</div>
<div># AUTHENTICATION</div>
<div>auth_strategy=keystone</div>
<div># [keystone_authtoken]</div>
<div>auth_host = 127.0.0.1</div>
<div>auth_port = 35357</div>
<div>auth_protocol = http</div>
<div>admin_tenant_name = service</div>
<div>admin_user = nova</div>
<div>admin_password = nova</div>
<div>signing_dirname = /tmp/keystone-signing-nova</div>
<div><br>
</div>
<div># SCHEDULER</div>
<div>compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler</div>
<div><br>
</div>
<div># Cinder - VOLUMES</div>
<div>#volume_driver=nova.volume.driver.ISCSIDriver</div>
<div>#volume_group=nova-volumes</div>
<div>#volume_name_template=volume-%08x</div>
<div>#iscsi_helper=tgtadm</div>
<div>volume_api_class=nova.volume.cinder.API</div>
<div><br>
</div>
<div># DATABASE</div>
<div><a class="moz-txt-link-abbreviated" href="mailto:sql_connection=mysql://nova:novadbsecret@10.176.20.158/nova">sql_connection=mysql://nova:novadbsecret@10.176.20.158/nova</a></div>
<div><br>
</div>
<div># COMPUTE</div>
<div>libvirt_type=kvm</div>
<div>compute_driver=libvirt.LibvirtDriver</div>
<div>instance_name_template=instance-%08x</div>
<div>api_paste_config=/etc/nova/api-paste.ini</div>
<div><br>
</div>
<div># COMPUTE/APIS: if you have separate configs for separate
services</div>
<div># this flag is required for both nova-api and nova-compute</div>
<div>allow_resize_to_same_host=True</div>
<div><br>
</div>
<div># APIS</div>
<div>enabled_apis=ec2,osapi_compute,metadata </div>
<div>osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions</div>
<div>ec2_dmz_host=10.176.20.158</div>
<div>s3_host=10.176.20.158</div>
<div><br>
</div>
<div># RABBITMQ</div>
<div>rabbit_host=10.176.20.158</div>
<div><br>
</div>
<div># GLANCE</div>
<div>image_service=nova.image.glance.GlanceImageService</div>
<div>glance_api_servers=10.176.20.158:9292</div>
<div><br>
</div>
</div>
<div>
<div># NETWORK</div>
<div>network_manager=nova.network.manager.FlatDHCPManager</div>
<div>force_dhcp_release=True</div>
<div>dhcpbridge_flagfile=/etc/nova/nova.conf</div>
<div>firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver</div>
<div># Change my_ip to match each host</div>
<div>my_ip=10.176.20.4</div>
<div>public_interface=eth0</div>
<div>flat_interface=eth1</div>
<div>flat_network_bridge=br100</div>
<div>fixed_range=192.168.100.0/24</div>
<div><br>
</div>
<div># NOVNC CONSOLE</div>
<div>novncproxy_base_url=<a class="moz-txt-link-freetext" href="http://10.176.20.158:6080/vnc_auto.html">http://10.176.20.158:6080/vnc_auto.html</a></div>
<div># Change vncserver_proxyclient_address and vncserver_listen
to match each compute host</div>
<div>vncserver_proxyclient_address=10.176.20.4</div>
<div>vncserver_listen=10.176.20.4</div>
<div><br>
</div>
<div><br>
</div>
<div># Following config kept from initial conf file installed by
nova</div>
<div>dhcpbridge=/usr/bin/nova-dhcpbridge</div>
<div>libvirt_use_virtio_for_bridges=True</div>
<div>connection_type=libvirt</div>
<div>root_helper=sudo nova-rootwrap /etc/nova/rootwrap.conf</div>
<div>ec2_private_dns_show_ip=True</div>
<div>volumes_path=/var/lib/nova/volumes</div>
</div>
<div><br>
</div>
<div>Thank you,</div>
<div>Ahmed.</div>
<br>
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<br>
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