[dba-Tech] CoreOS ?

Jim Lawrence accessd at shaw.ca
Sun Feb 1 17:45:06 CST 2015


Hi Shamil:

>From what I have read and heard, Juju is an excellent graphical interfaced product for the web/Cloud. 

I also understand that Microsoft, through Azure and Amazon has some excellent tools but there can be a very hefty price tag accompanying adoption. There is also the additional issues surrounding how both Microsoft and Amazon tries to lock their clients in. 

Juju may be a completely Linux product but most, if not all, of the major internet products are Linux based. Microsoft, through Azure just builds a Windows interface on top but it core supported applications are Linux.

You are a little way ahead of me as my reading on the subject does not replace actual experience. I plan to start installing and testing next week...which means in another week I should have mastered it. ;-)

Have you checked the tutorials on DigitalOcean? There are some very good ones available. The company even pays for good tutorials:

https://www.digitalocean.com/company/blog/get-paid-to-write-tutorials

I understand that both Microsoft and Ubuntu are building competing products to CoreOS. I can't remember the name of Microsoft's offering but Ubuntu has a product called Unicorn. (Seeing both companies have used CoreOS's source code I would suspect similar functionality.

http://www.infoworld.com/article/2838354/linux/ubuntu-unicorn-coreos.html

Canonical has gone so far as to initiate a contest, for developers that can build Charms. Prizes of up the $10,000 are to be given:

https://juju.ubuntu.com/charm-championship

Seeing this rapid development makes me wonder, is it wise or not, to jump towards a final solution which may completely change within within a month or two.
  
Jim
   
----- Original Message -----
From: "Salakhetdinov Shamil" <mcp2004 at mail.ru>
To: "Discussion of Hardware and Software issues" <dba-tech at databaseadvisors.com>
Sent: Sunday, 1 February, 2015 4:25:37 AM
Subject: Re: [dba-Tech] CoreOS ?

 Hi Jim --

Juju - I have never heard about it before.
AFAIS now Juji is really a magic tool  http://askubuntu.com/questions/80330/what-is-a-juju-charm : 

<<<
Juju can also be used together with Orchestra for physical deployments. So, for example, if you have a charm for Hadoop, you can use that to install Hadoop across a few thousand servers with Orchestra.
>>>

And "Juju charms" seems to be freely available for quite a few system configurations:

https://jujucharms.com/q/?type=charm

What do you think would it be possible to setup Juju on CoreOS? They mention here ( https://jujucharms.com/docs/  ) Ubuntu only (for Linux)  ?
Of course I can try to setup Juju of CoreOS on the DIgitalOcean  cloud just wanted to know your opinion of Juju possible setup on CoreOS.

Thank you.

-- Shamil

Saturday, January 31, 2015 2:09 AM -07:00 from Jim Lawrence <accessd at shaw.ca>:
>Hi Shamil:
>
>I have been looking at how CoreOS functions. Buying a droplet on DigitalOcean as far as I can see is the cheapest way to be able to test and maybe eventually deploy CoreOS...a very interesting technology to say the least.
>
>I plan to install Docker along with OwnCloud and Juju on a home server...it should be ready by next week.
>
>Jim 
>
>----- Original Message -----
>From: "Salakhetdinov Shamil" < mcp2004 at mail.ru >
>To: "Discussion of Hardware and Software issues" < dba-tech at databaseadvisors.com >
>Sent: Monday, January 26, 2015 12:25:56 AM
>Subject: [dba-Tech] CoreOS ?
>
> Hi All --
>
>I'm planning to implement for my customers a scalable on demand set of RESTFul  web services serving a few custom application functions as well being "front-ends" to a few custom databases. And I'm currently looking at CoreOS ( https://coreos.com/ ). Do you have any experience with it? 
>
>My RESTFul web services would probably be running on NodeJS (or PHP or Python) and my custom databases would be stored on mySQL (MariaDB?) - not sure about that last position yet as backend datamodels are relatively simple and so there could be no need to use a relational databases. Although currently MS Access and MS SQL with sometimes advanced SQL queries, stored procedures and user defined functions is used on backend, so if migrating to a noSQL backend these queries, stored procedures and user defined functions should be probably implemented in code.
>
>I'd also probably need to implement a full text flexible search system using Sphinx (  http://sphinxsearch.com )
>
>And there should also exist a fallback solution for all that architecture - a system configuration to run locally (very moderately scalable of course) in the case a cloud hosting as e.g.   https://www.digitalocean.com/community/tutorials/an-introduction-to-coreos-system-components  will go down and will become unavailable for a long period of time. The latter is very improbable but anyway - a fallback solution would be a must to convince the customers to scale their currently more than 50% desktop/LAN based system configuration.
>
>Thank you.
>
>-- 
>Салахетдинов Шамиль
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