On Tue, Aug 12, 2014 at 11:15 AM, Nirmal Fernando <nirmal070...@gmail.com>
wrote:

> Hi All,
>
> Here are my findings on CoreOS, past couple of days.
>
>    - No package manager: CoreOS doesn't have a package manager, and
>    expect users to use containers (such as Docker) in order to do any real
>    work.
>    - It's consisted of Kernel + Containers
>    - It inherently supports HA clusters based on a VM discovery mechanism.
>    - CoreOS updates get applied automatically.
>    - Supports both Docker and nspawn (even light weight than Docker)
>    containers.
>    - Uses Systemd
>       - System management daemon
>       - Services, timers and one-off jobs
>       - Logging support through Journal.
>    - Uses etcd
>       - A key-value database
>       - provides service discovery for cluster
>       - similar to consul & zookeeper
>    - Uses Fleet (similar to Mesos)
>       - For cluster level service management
>       - Schedules jobs across nodes in a cluster
>       - Reschedules units of failure
>    - Can initialize from a cloud-config file
>    - Uses a discovery endpoint to find out the members of a cluster (we
>    can plug our own discovery service).
>
> Also, I was successfully able to spin up a CoreOS cluster in EC2. Further,
> I will work on CoreOS-Stratos integration.
>
>
Great finding Nirmal!


> --
> Best Regards,
> Nirmal
>
> Nirmal Fernando.
> PPMC Member & Committer of Apache Stratos,
> Senior Software Engineer, WSO2 Inc.
>
> Blog: http://nirmalfdo.blogspot.com/
>



-- 
Lakmal Warusawithana
Vice President, Apache Stratos
Director - Cloud Architecture; WSO2 Inc.
Mobile : +94714289692
Blog : http://lakmalsview.blogspot.com/

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