> Op 27 januari 2017 om 7:20 schreef Murali Reddy <muralimmre...@gmail.com>:
> 
> 
> All,
> 
> I would like propose native functionality into CloudStack to provide a 
> container service through which users out-of-the box can use to launch 
> container based application. Idea is to support ability to orchestrate the 
> resources and automate aspects of setting up container orchestrator through 
> CloudStack. Public IAAS service providers AWS with its ECS [1] and google 
> with GKE [2] already provides ability container applications.  Competitive 
> cloud orchestration platforms already have native support for container 
> service. Users of CloudStack both as public cloud providers and users with 
> private clouds will benefit with such functionality.
> 

Sorry, how much I appreciate the effort and work you already invested in this 
I'm against this.

There are many, many tools which can run inside KVM/Xen/VMWare and do the 
container orchestration much, much better then I think CloudStack will ever do.

We tried with LXC, but that failed.

For example:
- Kubernetes
- Nomad
- Docker Swarm
- Apache Mesos
- CoreOS in the basics

Just a small number of tools which run Containers just fine while being INSIDE 
a VM.

We still have a long road to go in perfectioning the existing HVs inside 
CloudStack. I wouldn't want to put resources on testing such a feature which in 
my opinion does not benefit the project.

CloudStack should imho be mean and lean'. Be damn good and simple in what it 
does: Running VMs and their network(s).

Wido

> While container orchestrator of user choice can be provisioned on top of 
> CloudStack (with out CloudStack being involved) with tools like TerraForm[3], 
> Ansible[4] etc, advantage of having native orchestration is giving user a 
> nice cohesive integration. This proposal would like add a notion of first 
> class CloudStack entity called container cluster which can be used to 
> provision resources, scale up, scale down, start and stop the cluster of VM’s 
> on which containerised applications can be run. For actual container 
> orchestration we will still need container orchestrator like docker swarm, 
> marathon, kubernetes, but CloudStack container service can automate setting 
> up of control place automatically.
> 
> Please see the detailed FS [5], and jira ticket [6]. 
> 
> [1]http://docs.aws.amazon.com/AmazonECS/latest/developerguide/Welcome.html
> [2]https://cloud.google.com/container-engine/
> [3] https://github.com/skippbox/ansible-cloudstack
> [4]https://github.com/chiradeep/terraform-cloudstack-examples/tree/master/kubernetes-coreos-isolated-nw
> [5] 
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/CloudStack+container+service+functional+specification+and+design+document
> [6]https://issues.apache.org/jira/browse/CLOUDSTACK-9760
> 
>

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