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Hi,

From logs which You attached it looks that Your neutron-metadata-agent can’t connect to nova-api service. Please check if nova-metadata-api is reachable from node where Your neutron-metadata-agent is running.

> Wiadomość napisana przez Ignazio Cassano <ignaziocassano at gmail.com> w dniu 12.11.2018, o godz. 22:34:
> 
> Hello again,
> I have another installation of ocata .
> On ocata the metadata for a network id is displayed by ps -afe like this:
>  /usr/bin/python2 /bin/neutron-ns-metadata-proxy --pid_file=/var/lib/neutron/external/pids/c4731392-9b91-4663-adb3-b10b5ebcc4f1.pid --metadata_proxy_socket=/var/lib/neutron/metadata_proxy --network_id=c4731392-9b91-4663-adb3-b10b5ebcc4f1 --state_path=/var/lib/neutron --metadata_port=80 --metadata_proxy_user=996 --metadata_proxy_group=993 --log-file=neutron-ns-metadata-proxy-c4731392-9b91-4663-adb3-b10b5ebcc4f1.log --log-dir=/var/log/neutron
> 
> On queens like this:
>  haproxy -f /var/lib/neutron/ns-metadata-proxy/e8ba8c09-a7dc-4a22-876e-b8d4187a23fe.conf
> 
> Is it the correct behaviour ?

Yes, that is correct. It was changed some time ago, see https://bugs.launchpad.net/neutron/+bug/1524916

> 
> Regards
> Ignazio
> 
> 
> 
> Il giorno lun 12 nov 2018 alle ore 21:37 Slawomir Kaplonski <skaplons at redhat.com> ha scritto:
> Hi,
> 
> Can You share logs from Your haproxy-metadata-proxy service which is running in qdhcp namespace? There should be some info about reason of those errors 500.
> 
> > Wiadomość napisana przez Ignazio Cassano <ignaziocassano at gmail.com> w dniu 12.11.2018, o godz. 19:49:
> > 
> > Hi All,
> > I upgraded  manually my centos 7 openstack ocata to pike.
> > All worked fine.
> > Then I upgraded from pike to Queens and instances stopped to reach metadata on 169.254.169.254 with error 500.
> > I am using isolated metadata true in my dhcp conf and in dhcp namespace  the port 80 is in listen.
> > Please, anyone can help me?
> > Regards
> > Ignazio
> > 
> > _______________________________________________
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> 
> — 
> Slawek Kaplonski
> Senior software engineer
> Red Hat
> 

— 
Slawek Kaplonski
Senior software engineer
Red Hat