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I had same symptom (trusty/icehouse).  hitting metadata via the 169 address
generated the same error.  I turned on debug for metadata service and found
I had my auth_url pointing to wrong place in metadata_agent.ini.  I suspect
you have checked all of these things already.  If you suspect v4/v6 problem
you could try changing your auth_url, etc to known bad values and see if
behavior changes.



On Mon, May 19, 2014 at 12:13 AM, Martinx - ジェームズ <thiagocmartinsc at gmail.com
> wrote:

> I forgot to post my configuration details, here we go:
>
>
> * Controller Node (psuaa-1 host):
>
> grep metadata /etc/nova/*
>
> ---
> root at psuaa-1:~# grep metadata /etc/nova/nova.conf
> metadata_host = 192.168.5.10
> metadata_listen = 192.168.5.10
> service_neutron_metadata_proxy = True
> neutron_metadata_proxy_shared_secret = XXXYY
> ---
>
>
> * Network Node (psuab-1 host):
>
> cat /etc/neutron/metadata_agent.ini
>
> ---
> [DEFAULT]
> debug = True
> verbose = True
>
> auth_url = http://psuaa-1.tcmc.com.br:5000/v2.0
> auth_region = sp-east-1
> admin_tenant_name = service
> admin_user = neutron
> admin_password = XXXZZ
>
> nova_metadata_ip = 192.168.5.10
> nova_metadata_port = 8775
> metadata_proxy_shared_secret = XXXYY
> ---
>
> cat /etc/neutron/dhcp_agent.ini
>
> ---
> [DEFAULT]
> verbose = True
> interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
> dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
> use_namespaces = True
> dhcp_domain = tcmc.com.br
> ---
>
> * Connectivity test:
>
> ---
> root at psuab-1:~# telnet 192.168.5.10 8775
> Trying 192.168.5.10...
> Connected to 192.168.5.10.
> Escape character is '^]'.
> ---
>
> NOTE: The value of auth_url entry, "http://psuaa-1.tcmc.com.br:5000/v2.0",
> is an IPv6-Only address.
>
> ---
> root at psuab-1:~# telnet psuaa-1.tcmc.com.br 5000
> Trying 2804:290:4:dead::10...
> Connected to psuaa-1.tcmc.com.br.
> Escape character is '^]'.
> ---
>
>
> * Compute Node (psuah-1 host):
>
> grep metadata /etc/nova/nova.conf
>
> ---
> root at psuah-1:~# grep metadata /etc/nova/nova.conf
> metadata_host = 192.168.5.10
> service_neutron_metadata_proxy = True
> neutron_metadata_proxy_shared_secret = XXXYY
> ---
>
>
> Tks!
> Thiago
>
>
>
> On 19 May 2014 02:53, Martinx - ジェームズ <thiagocmartinsc at gmail.com> wrote:
>
>> Hello Stackers!
>>
>> I'm trying to deploy IceHouse with Ubuntu 14.04 and, almost everything is
>> running just fine, except for Metadata, when I try to access it, using from
>> within an Instance, the following command:
>>
>>
>> "curl http://169.254.169.254/2009-04-04/instance-id"
>>
>>
>> I'm seeing the following error: "500 Internal Server Error"
>>
>> ScreenShot: http://i.imgur.com/wVEKeh0.png
>>
>>
>> And, at the Network Node, the "Error 500" above, dumps the following
>> messages at the logs:
>>
>>
>> http://paste.openstack.org/show/80860/
>>
>>
>> BTW, I followed the Docs:
>> http://docs.openstack.org/icehouse/install-guide/install/apt/content/
>>
>> The only difference from the docs, is that my environment have IPv6 for
>> APIs and Endpoints but, the Metadata Network, Projects subnets and GRE
>> tunnels are still IPv4-Only...
>>
>> I appreciate any help! I'm not sure about how to debug it... Tks!
>>
>> Best,
>> Thiago
>>
>
>
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