I want to mention that there is another mesos framework named as chronos: https://github.com/mesos/chronos , it is used for job orchestration.
For others, please refer to my comments in line. 2015-05-29 7:45 GMT+08:00 Adrian Otto <[email protected]>: > I’m moving this whiteboard to the ML so we can have some discussion to > refine it, and then go back and update the whiteboard. > > Source: https://blueprints.launchpad.net/magnum/+spec/mesos-bay-type > > My comments in-line below. > > Begin forwarded message: > > *From: *hongbin <[email protected]> > *Subject: **COMMERCIAL:[Blueprint mesos-bay-type] Add support for mesos > bay type* > *Date: *May 28, 2015 at 2:11:29 PM PDT > *To: *<[email protected]> > *Reply-To: *hongbin <[email protected]> > > Blueprint changed by hongbin: > > Whiteboard set to: > > I did a preliminary research on possible implementations. I think this BP > can be implemented in two steps. > 1. Develop a heat template for provisioning mesos cluster. > 2. Implement a magnum conductor for managing the mesos cluster. > > > Agreed, thanks for filing this blueprint! > For 2, the conductor is mainly used to manage objects for CoE, k8s has pod, service, rc, what is the mesos object that we want to manage? IMHO, mesos is a resource manager and it needs to be worked with some frameworks to provide services. > > First, I want to emphasis that mesos is not a service (It looks like a > library). Therefore, mesos doesn't have web API, and most users don't > use mesos directly. Instead, they use a mesos framework that is on top > of mesos. Therefore, a mesos bay needs to have a mesos framework pre- > configured so that magnum can talk to the framework to manage the bay. > There are several framework choices. Below is a list of frameworks that > look like a fit (in my opinion). A exhaustive list of framework can be > found here [1]. > > 1. Marathon [2] > This is a framework controlled by a company (mesosphere [3]). It is open > source through. It supports running app on clusters of docker containers. > It is probably the most widely-used mesos framework for long-running > application. > > > Marathon offers a REST API, whereas Aroura does not (unless one has > materialized in the last month). This was the one we discussed in our > Vancouver design summit, and we agreed that those wanting to use Apache > Mesos are probably expecting this framework. > > 2. Aurora [4] > This is a framework governed by Apache Software Foundation. It looks very > similar to Marathon, but maybe more advanced in nature. It has been used by > Twitter at scale. Here [5] is a detailed comparison between Marathon and > Aurora. > > > We should have an alternate bay template for Aroura in our contrib > directory. If users like Aroura better than Marathon, we can discuss making > it the default template, and put the Marathon template in the contrib > directory. > > 3. Kubernetes/Docker swarm > It looks the swarm-mesos is not ready yet. I cannot find any thing about > that (besides several videos on Youtube). The kubernetes-mesos is there > [6]. In theory, magnum should be able to deploy a mesos bay and talk to the > bay through kubernetes API. An advantage is that we can reuse the > kubernetes conductor. A disadvantage is that it is not a 'mesos' way to > manage containers. Users from mesos community are probably more comfortable > to manage containers through Marathon/Aurora. > > > If you want Kubernetes, you should use the Kubernetes bay type. If you > want Kubernetes controlling Mesos, make a custom Heat template for that, > and we can put it into contrib. > Agree, even using Mesos as resource manager, end user can still use magnum API to create pod, service, and rc. > > If you want Swarm controlling Mesos, then you want BOTH a Swarm bay > *and* a Mesos bay, with the Swarm bay configured to use the Mesos bay using > the (currently developing) integration hook for Mesos in Swarm. > > Any opposing viewpoints to consider? > > Thanks, > > Adrian > > --hongbin > > [1] http://mesos.apache.org/documentation/latest/mesos-frameworks/ > [2] https://github.com/mesosphere/marathon > [3] https://mesosphere.com/ > [4] http://aurora.apache.org/ > [5] > http://stackoverflow.com/questions/28651922/marathon-vs-aurora-and-their-purposes > [6] https://github.com/mesosphere/kubernetes-mesos > > -- > Add support for mesos bay type > https://blueprints.launchpad.net/magnum/+spec/mesos-bay-type > > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Thanks, Jay Lau (Guangya Liu)
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