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Re: [OpenStack] Grizzly: Does metadata service work when overlapping IPs is enabled

 

Thanks Aaron.

I am perhaps not configuring it right then. I am using Ubuntu 12.04 host
and even my guest(VM) is Ubuntu 12.04 but metadata not working. I see that
the VM's routing table has an entry for 169.254.0.0/16 but I cant ping
169.254.169.254 from the VM. I am using a single node setup with two
NICs.10.5.12.20 is the public IP, 10.5.3.230 is the management IP

These are my metadata related configurations.

*/etc/nova/nova.conf *
metadata_host = 10.5.12.20
metadata_listen = 127.0.0.1
metadata_listen_port = 8775
metadata_manager=nova.api.manager.MetadataManager
service_quantum_metadata_proxy = true
quantum_metadata_proxy_shared_secret = metasecret123

*/etc/quantum/quantum.conf*
allow_overlapping_ips = True

*/etc/quantum/l3_agent.ini*
use_namespaces = True
auth_url = http://10.5.3.230:35357/v2.0
auth_region = RegionOne
admin_tenant_name = service
admin_user = quantum
admin_password = service_pass
metadata_ip = 10.5.12.20

*/etc/quantum/metadata_agent.ini*
auth_url = http://10.5.3.230:35357/v2.0
auth_region = RegionOne
admin_tenant_name = service
admin_user = quantum
admin_password = service_pass
nova_metadata_ip = 127.0.0.1
nova_metadata_port = 8775
metadata_proxy_shared_secret = metasecret123


I see that /usr/bin/quantum-ns-metadata-proxy process is running. When I
ping 169.254.169.254 from VM, in the host's router namespace, I see the ARP
request but no response.

root@openstack-dev:~# ip netns exec
qrouter-d9e87e85-8410-4398-9ddd-2dbc36f4b593 route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         10.5.12.1       0.0.0.0         UG    0      0        0
qg-193bb8ee-f5
10.5.12.0       0.0.0.0         255.255.255.0   U     0      0        0
qg-193bb8ee-f5
192.168.2.0     0.0.0.0         255.255.255.0   U     0      0        0
qr-59e69986-6e
root@openstack-dev:~# ip netns exec
qrouter-d9e87e85-8410-4398-9ddd-2dbc36f4b593 tcpdump -i qr-59e69986-6e
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on qr-59e69986-6e, link-type EN10MB (Ethernet), capture size
65535 bytes
^C23:32:09.638289 ARP, Request who-has 192.168.2.3 tell 192.168.2.1, length
28
23:32:09.650043 ARP, Reply 192.168.2.3 is-at fa:16:3e:4f:ad:df (oui
Unknown), length 28
23:32:15.768942 ARP, Request who-has 169.254.169.254 tell 192.168.2.3,
length 28
23:32:16.766896 ARP, Request who-has 169.254.169.254 tell 192.168.2.3,
length 28
23:32:17.766712 ARP, Request who-has 169.254.169.254 tell 192.168.2.3,
length 28
23:32:18.784195 ARP, Request who-has 169.254.169.254 tell 192.168.2.3,
length 28

6 packets captured
6 packets received by filter
0 packets dropped by kernel
root@openstack-dev:~#


Any help will be greatly appreciated.

Thanks,
Balu


On Wed, Apr 24, 2013 at 11:48 AM, Aaron Rosen <arosen@xxxxxxxxxx> wrote:

> Yup, If your host supports namespaces this can be done via the
> quantum-metadata-agent.  The following setting is also required in your
>  nova.conf: service_quantum_metadata_proxy=True
>
>
> On Tue, Apr 23, 2013 at 10:44 PM, Balamurugan V G <balamuruganvg@xxxxxxxxx
> > wrote:
>
>> Hi,
>>
>> In Grizzly, when using quantum and overlapping IPs, does metadata service
>> work? This wasnt working in Folsom.
>>
>> Thanks,
>> Balu
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~openstack
>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>> Unsubscribe : https://launchpad.net/~openstack
>> More help   : https://help.launchpad.net/ListHelp
>>
>>
>

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