Re: [openstack-dev] [sahara] changing host name and /etc/hosts in container
Probably Designate could help us doing it? On Fri, Oct 31, 2014 at 6:39 AM, Zhidong Yu zdyu2...@gmail.com wrote: Hi Trevor, Thanks for your response! We use Sahara to launch virtual nodes in containers, i.e. replacing KVM with Docker in Nova. The nature of this problem is about configuration management. This is actually a common issue in cloud based, horizontally scaled app. Sahara may need some advanced implementation in this. Not sure if confd/etcd/fleet could address this issue. Unfortunately I won't be at the summit. My colleague Zhongyue (who is Oslo core, by the way) will be there and he will attend the Sahara meetings. Thanks, Zhidong On Thu, Oct 30, 2014 at 10:18 PM, Trevor McKay tmc...@redhat.com wrote: Zhidong, Thanks for your question. I personally don't have an answer, but I think we definitely should bring up the possibility of dockerization for Sahara at the design summit next week. It may be something we want to formalize for Kilo. Will you be at the summit? Just to be clear, are you running Sahara itself in a container, or launching node instances in containers? I'll take a look and see if I can find anything useful about the ip assignment/hostname sequence for node instances during launch. Best, Trevor On Thu, 2014-10-30 at 16:46 +0800, Zhidong Yu wrote: Hello hackers, We are experimenting Sahara with Docker container (nova-docker) and ran into an issue that Sahara needs to change the host name and /etc/hosts which is not allowed in container. I am wondering if there is any easy way to work around this by hacking into Sahara? thanks, Zhidong ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -- Sincerely yours, Sergey Lukjanov Sahara Technical Lead (OpenStack Data Processing) Principal Software Engineer Mirantis Inc. ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
Re: [openstack-dev] [sahara] changing host name and /etc/hosts in container
Zhidong, Thanks for your question. I personally don't have an answer, but I think we definitely should bring up the possibility of dockerization for Sahara at the design summit next week. It may be something we want to formalize for Kilo. Will you be at the summit? Just to be clear, are you running Sahara itself in a container, or launching node instances in containers? I'll take a look and see if I can find anything useful about the ip assignment/hostname sequence for node instances during launch. Best, Trevor On Thu, 2014-10-30 at 16:46 +0800, Zhidong Yu wrote: Hello hackers, We are experimenting Sahara with Docker container (nova-docker) and ran into an issue that Sahara needs to change the host name and /etc/hosts which is not allowed in container. I am wondering if there is any easy way to work around this by hacking into Sahara? thanks, Zhidong ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
Re: [openstack-dev] [sahara] changing host name and /etc/hosts in container
Hi Trevor, Thanks for your response! We use Sahara to launch virtual nodes in containers, i.e. replacing KVM with Docker in Nova. The nature of this problem is about configuration management. This is actually a common issue in cloud based, horizontally scaled app. Sahara may need some advanced implementation in this. Not sure if confd/etcd/fleet could address this issue. Unfortunately I won't be at the summit. My colleague Zhongyue (who is Oslo core, by the way) will be there and he will attend the Sahara meetings. Thanks, Zhidong On Thu, Oct 30, 2014 at 10:18 PM, Trevor McKay tmc...@redhat.com wrote: Zhidong, Thanks for your question. I personally don't have an answer, but I think we definitely should bring up the possibility of dockerization for Sahara at the design summit next week. It may be something we want to formalize for Kilo. Will you be at the summit? Just to be clear, are you running Sahara itself in a container, or launching node instances in containers? I'll take a look and see if I can find anything useful about the ip assignment/hostname sequence for node instances during launch. Best, Trevor On Thu, 2014-10-30 at 16:46 +0800, Zhidong Yu wrote: Hello hackers, We are experimenting Sahara with Docker container (nova-docker) and ran into an issue that Sahara needs to change the host name and /etc/hosts which is not allowed in container. I am wondering if there is any easy way to work around this by hacking into Sahara? thanks, Zhidong ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
