On 01/09/2014 06:14 PM, Brant Knudson wrote:
It is possible to setup a multi-node devstack cloud using multiple VMs, see http://devstack.org/guides/multinode-lab.html. Depending on what you are trying to test, e.g., VM migration, this may be sufficient.On Thu, Jan 9, 2014 at 12:21 PM, Mike Spreitzer <mspre...@us.ibm.com <mailto:mspre...@us.ibm.com>> wrote:Brant Knudson <b...@acm.org <mailto:b...@acm.org>> wrote on 01/09/2014 10:07:27 AM: > When I was starting out, I ran devstack ( http://devstack.org/) on > an Ubuntu VM. You wind up with a system where you've got a basic > running OpenStack so you can try things out with the command-line > utilities, and also do development because it checks out all the > repos. I learned a lot, and it's how I still do development. What sort(s) of testing do you do in that environment, and how?Just running devstack exercises quite a bit of code, because it's setting up users, project, and loading images. Now you've got a system that's set up so you can add your own images and boot them using regular OpenStack commands, and you can use the command-line utilities or REST API to exercise your changes. The command-line utilities and REST API are documented. There are some things that you aren't going to be able to do with devstack because it's a single node, but that hasn't affected my development.Does your code editing interfere with the running DevStack?Code editing doesn't interfere with a running DevStack. After you make a change you can find the process's screen in devstack's and restart it to pick up your changes. For example if you made a change that affects nova-api, you can restart the process in the n-api screen.Can you run the unit tests without interference from/to the running DevStack?Running unit tests doesn't interfere with DevStack. The unit tests run in their own processes and also run in a virtual environment.How do you do bigger tests?For bigger tests I'd need a cluster which I don't have, so I don't do bigger tests.
What is the process for switching from running the merged code to running your modified code?I don't know what the merged code is? I use eclipse, so I create a project for the different directories in /opt/stack so I can edit the code right there.Are the answers documented someplace I have not found? Thanks, MikeNot that I know of... the wiki pages are editable, so you or I could update them to help out others.- Brant
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