+1 Pierre and Sebastien. We should make sure CoreOS & co run fine on ACS, then let people do their thing using specific tools.
Plus I wouldn't like Docker to run straight on shared bare metal servers (hypervisors), they're not as secure as VMs. -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro ----- Original Message ----- > From: "Pierre-Luc Dion" <pd...@cloudops.com> > To: dev@cloudstack.apache.org > Sent: Thursday, 19 March, 2015 00:39:43 > Subject: Re: [DISCUSS] Support Docker as a hypervisor in CloudStack ( > CloudStack / CLOUDSTACK-8205) > I really like Sebastien concept of Container as workload because it could > be used into an existing cloud without introducing a new hypervisor, also, > it might be possible to reuse current networking features of cloudstack. > > > > > > > On Wed, Mar 18, 2015 at 6:35 AM, Sebastien Goasguen <run...@gmail.com> > wrote: > >> >> > On Mar 18, 2015, at 10:43 AM, Rohit Yadav <rohit.ya...@shapeblue.com> >> wrote: >> > >> > Hi Diwas, >> > >> > The idea is to support Docker in ACS, much like LXC since they are >> > similar (containers). This of course would have some limitations wrt >> > supporting various network models and disk operations such as taking >> > snapshot and migrations across hosts. >> > >> > ((Btw, you may also consider supporting Bhyve (VMM from FreeBSD >> > community) in CloudStack using libvirt which is another interesting >> > project.)) >> > >> > Irrespective of what base OS (RancherOS, CoreOS or Atomic etc) will be, >> > assume it will be at least Linux 3.16. Assume using barebone >> > technologies instead of relying on other orchestration or high level >> > systems to control Docker images unless what you're willing to use are >> > stable enough. >> > >> > While it's an open discussion on what the scope or the best way to do >> > it; IMO, the basic things I'm looking for are: >> > >> > - Support Basic networking (supporting at least Linux bridge or maybe >> > OVS - I'm not sure the best way to do it) >> > - SystemVMs can be Docker based or VMs running on KVM >> > - Local or NFS based shared storage. Support basic operations such as - >> > upload/register template, create VMs using template. >> > - Console proxy support (if possible). >> > >> > Since most players in the docker arena are still figuring out best way >> > to deal with networking and storage, the expectation of the work is >> > limited to producing an experimental hypervisor plugin. >> > >> > For implementation details, read CloudStack 101 on the wiki, see how >> > plugins are written and follow the LXC plugin implementation or see this >> > commit: >> > >> > >> https://github.com/apache/cloudstack/commit/c27c69438ba23386bac7ae4dd651b1d809811157 >> > >> >> I understand why we you would like to do this, however I see Docker as a >> ‘workload’. It is easy to setup in a VM or bare metal. >> The Docker ecosystem is booming and there are a ton of Docker >> “orchestrator” being worked on. It seems to me it will be very difficult to >> keep up development of a proper docker management service in CloudStack. >> >> Personally, I’d rather see us put efforts in properly supporting all the >> new Docker customized OS (making cloudstack templates for them), fixing our >> cloudinit support and extending our API to create clusters of machines. >> That way it will be easy for CloudStack users to start a Docker cluster and >> use their docker container orchestrator of choice. >> >> Very much like if you want to deploy Mesos or the like in CloudStack, >> Docker orchestrators are really workloads in our clouds. >> >> Our strategy for Docker support should be to make it extremely easy for >> folks to use Docker in CloudStack VMs. Do things like Docker machine >> support, Docker swarm support etc….and if we want a tighter integration we >> should look at the AWS ECS API and the GCE container engine API and extend >> our EC2/GCE bridges to support them. >> >> my 2 cts. >> >> > >> > On Monday 16 March 2015 02:53 AM, Diwas Joshi wrote: >> >> hello, I would like to work on the following issue for >> >> https://issues.apache.org/jira/browse/CLOUDSTACK-8205 for google >> summer of >> >> code 2015. It would be really helpful if someone can tell me more about >> the >> >> idea and provide guidelines to get started with this. >> >> >> >> regards >> >> >> > >> > -- >> > Regards, >> > Rohit Yadav >> > Software Architect, ShapeBlue >> > M. +91 8826230892 | rohit.ya...@shapeblue.com >> > Blog: bhaisaab.org | Twitter: @_bhaisaab >> > PS. 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