- DNAT rule to metadata server is done by l3_agent. but your node configuration 
has no l3_agent
- and metadata_ip configuration can find l3_agent.ini.

2012. 11. 7., 오후 9:15, Sina Sadeghi <[email protected]> 작성:

> Hello all,
> 
> I thought I would give quantum a shot and I've got a 50-60% working 
> configuration, but having trouble understanding where to go from here as the 
> docs are pretty sparse.
> 
> Ubuntu 12.04.1 + "ubuntu cloud archive" folsom repo
> 
> node A: nova-api, nova-scheduler, quantum-server, quantum-plugin-openvswitch
> node B: nova-compute, nova-api-metadata, quantum-dhcp-agent, 
> quantum-plugin-openvswitch-agent
> node C: nova-compute, nova-api-metadata, quantum-dhcp-agent, 
> quantum-plugin-openvswitch-agent
> 
> configured as follows:
> 
> quantum.conf:
> ...
> core_plugin = 
> quantum.plugins.openvswitch.ovs_quantum_plugin.OVSQuantumPluginV2
> ...
> 
> ovs_quantum_plugin.ini:
> ...
> tenant_network_type=vlan
> network_vlan_ranges = default:2000:3999
> integration_bridge = br-int
> bridge_mappings = default:br-eth3
> ...
> 
> node B,C `ovs-vstl list-br`:
> br-eth3
> br-int
> 
> node B,C `ovs-vsctl list-ports br-int`:
> int-br-eth3 (created by quantum?)
> 
> node B,C `ovs-vsctl list-ports br-eth3`:
> eth3 (added by me)
> phy-br-eth3 (created by quantum?)
> 
> eth3 is a NIC which is connected to a switchport accepting VLAN 2000:3999. It 
> has no IP assigned currently.
> 
> When I start the 12.04 ubuntu "cloud-image" in the dashboard, it successfully 
> boots and obtains an IP address as seen in the console output:
> cloud-init-nonet waiting 120 seconds for a network device.
> 
> ci-info: lo    : 1 127.0.0.1       255.0.0.0       .
> ci-info: eth0  : 1 192.168.253.5   255.255.255.0   fa:16:3e:80:33:71
> ci-info: route-0: 0.0.0.0         192.168.253.1   0.0.0.0         eth0   UG
> ci-info: route-1: 192.168.253.0   0.0.0.0         255.255.255.0   eth0   U
> 
> However, immediately after that output I see this
> 
> 2012-11-07 11:27:29,598 - util.py[WARNING]: 
> 'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed [3/120s]: 
> url                                                           error [[Errno 
> 113] No route to host]
> 
> which runs until it times out.
> 
> In older versions of OpenStack, when I ran 'iptables-save | grep 
> 169.254.169.254' on a metadata server I was used to seeing a rule show up 
> which translated that 169 address to the variable assigned by metadata_host 
> in nova.conf, but I note that rule doesn't show up in this version of nova? I 
> added the old rule in (to see what would happen) but the result was the same, 
> still no route to host.
> 
> What steps do I need to take here to allow my instance to retrieve its 
> metadata? Is my quantum misconfigured somehow? Perhaps I need to go back and 
> reconfigure my switch port (for example, there is no real 192.168.253.1 gw, 
> but does there need to be for the instance to simply fetch metdata)? After 
> that, what steps do I need to take to get the VM connected to the rest of the 
> world? Is the quantum-l3-agent the only real choice right now?
> 
> Thx.
> 
> -- 
> 
> --
> Sina Sadeghi
> Lead Cloud Engineer
> <logo.jpg>
> Aptira Pty Ltd
> 1800 APTIRA
> aptira.com
> Follow @aptira
> 
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