Generate VMs based on load with vCO and vCAC

– July 18, 2013Posted in: Examples, Integrate vCO, Tools, vCAC, vCO Use-Cases

You do remember my video with the topic „Generate VMs based on actual load in a Resource Pool” (http://www.vcoportal.de/2012/11/generate-vms-based-on-actual-load-in-a-resource-pool/)?

In that video I showed a vCO workflow which provisioned new VMs when the load on a specific Resource Pools reached a defined Value. When the load was decreased, the VMs were thrown away. In this video, I worked on a simple vCenter Server base. A colleague of mine, Carsten Schäfer, took my Workflow and modified it to work with vCAC. They changed the workflow so, that virtual machines will not provisioned as a “Single” VM, instead he used the add components function to deploy them to an existing Multi-Machine Service.

Oh yeah, one might call it some first PoC for auto-scaling in vCAC (yep, that’s just for the robots )

Here is the video:

As I found great stuff 😉

Mohit Goyal

Hey Chris,

It is pretty interesting and very innovative making me eager to ask you for the workflow … please share the workflow so i can also give it a try in my Lab.

thanks
- Christian Strijbos
  
  Hi Mohit,
  we will give the workflow to the people who ask. The only requirement is, that we would like to ask for a donation for a nonprofit organization like:
  Unicef (http://www.unicef.de/)
  Seashepherd (http://www.seashepherd.org/)
  Wikileaks (http://wikileaks.org/)
  or any other organization of your choice. The amount you will spend is your decision. We will not give professional service or support for the Workflow, but I have a question feel free to ask. We try to give you as much help we can!
  If you are fine with these regulations just send a screen-shot of your donation and you will get the Workflow.
  Please be aware, that the “Workflow” considers out of different things. There is a vCO Workflow an API Helper and a vCAC Workflow which requires the vCAC CDK.
  
  Regards
  Christian
- Donovan J
  
  please forward the workflow to drjohnson@marketarkitex.biz. Proof is on the way
- Christian Strijbos
  
  Hi Donovan,
  
  Till now I didn’t recieve a proof…….
  
  Regards
  Christian
Tom Gillaspy

Please forward the workflow to tom.gillaspy@gmail.com. Screenshot is on its way.
pnatraj

This is a very novel way to allow people to contribute, Nice work Christian & Joerg
- Christian Strijbos
  
  Thanks!
  
  Regards,
  Christian
- RAMI
  
  Hi Chris,
  
  Can you share this workflow with me also on my mail, rska_swengineer@yahoo.com, please . I need to test this workflow in my lab. and till me how can I send my donation.
  
  Rami
- Christian Strijbos
  
  Hi Rami,
  
  we will give the workflow to the people who ask. The only requirement is, that we would like to ask for a donation for a nonprofit organization like:
  Unicef (http://www.unicef.de/)
  Seashepherd (http://www.seashepherd.org/)
  Wikileaks (http://wikileaks.org/)
  or any other organization of your choice. The amount you will spend is your decision. We will not give professional service or support for the Workflow, but I have a question feel free to ask. We try to give you as much help we can!
  If you are fine with these regulations just send a screen-shot of your donation and you will get the Workflow.
  Be aware that the Workflows are “old” right now and are not tested with the actual vRA Versions!
  
  Regards
  Chris

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Recommended Reading

Some books I found useful when working with vCO…

Steve Jin: VMware VI and vSphere SDK
Steve Jin ( www.doublecloud.org ) focus is on the VI Java Toolkit. However the books also includes a great general introduction of the vSphere API and lots of UML-diagrams of the API data model. Both is very useful when you develop vCO scripts interacting with vCenters
see also
http://www.amazon.com/VMware-VI-vSphere-SDK-Infrastructure/dp/0137153635

David Flanagan: JavaScript – The Definitive Guide
Since all the scripting elements are written in JavaScript, you need at least one book with a JavaScript-reference on your desk.
(Of course, you can find examples all over the web, but in most cases searching in the internet costs more time and distracts more than simply open the reference book on the marked site ).
see also
http://www.amazon.com/JavaScript-Definitive-Guide-David-Flanagan/dp/0596101996

Marijn Haverbeke: Eloquent JavaScript
If you are new to JavaScript, most of the books about it out there are do not fit for an vCO-guy because they contain too much web-related stuff.
An exceptional introduction to JavaScript NOT focussing on the web-stuff is "Eloquent JavaScript". The book is really good to read, and best of all: There is an online version available on http://eloquentjavascript.net which contains an interactive JavaScript console. So you can directly test the code examples online in your browser while you read:
The fastest way to learn JavaScript from scratch!
see also
http://www.amazon.com/Eloquent-JavaScript-Modern-Introduction-Programming/dp/1593272820

Cody Bunch: Automating vSphere: With VMware vCenter Orchestrator
http://www.amazon.com/Automating-vSphere-VMware-vCenter-Orchestrator/dp/0321799917

Generate VMs based on load with vCO and vCAC

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