Hi, Jeremy. It looks like there might be a problem in instance to instance communication. Could you please check that the tcp traffic between instances is not blocked. Especially on port 22.
Could you also send witch version of Sahara do you have and what versions of python dependencies are installed in your system. On Wed, Jul 20, 2016 at 6:20 PM, Jeremy Freudberg <[email protected]> wrote: > Hi all, I'm having an issue with Sahara accessing its instances. This > is over private IP, not public/floating. I have use_floating_ips = > false and use_namespaces = true in sahara.conf. My setup also uses > Neutron, so use_neutron = true as well. > > Here is an excerpt from the logs: > > DEBUG sahara.utils.ssh_remote > [req-ad9e16b1-176b-4283-92ea-e2032928e3a0 ] [instance: > f2145fd1-fa9e-4d45-9d61-653bb6d6dd6d, cluster: > 6493dfa9-4875-4844-abd4-d425b3312ee4] Returning neutron info: {'host': > u'192.168.201.23', 'tenant': u'[email protected]', 'network': > u'433d83c0-1f7f-4fb7-b4a1-995b47344ac4'} get_neutron_info > /usr/lib/python2.7/site-packages/sahara/utils/ssh_remote.py:581 > > DEBUG sahara.service.engine [req-ad9e16b1-176b-4283-92ea-e2032928e3a0 > ] [instance: f2145fd1-fa9e-4d45-9d61-653bb6d6dd6d, cluster: > 6493dfa9-4875-4844-abd4-d425b3312ee4] Can't login to node, IP: > 192.168.201.23, reason SSHException: Error reading SSH protocol banner > > We would think this to be a networking issue, right? (Or maybe an SSH > issue...) However, when I perform the SSH command manually, I can > connect to my instances: > > ip netns exec qdhcp-433d83c0-1f7f-4fb7-b4a1-995b47344ac4 ssh -i > /path/to/private/key [email protected] > > The above command executes successfully and SSH connects. > > Any help is greatly appreciated. > > Thanks, > Jeremy Freudberg > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > -- Best Regards, Nikita Konovalov Mirantis, Inc
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