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Glossary
tserong edited this page Jun 1, 2012
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I found Getting Started (Newbie Guide) with Crowbar a bit challenging as a sysadmin, since I am unfamiliar with Chef and Ruby and a lot of the naming in the ruby community is brand, not functionally, focused.
Please add to this page as you discover new terms
- Node – A server which is managed by Crowbar.
- Admin Node – Node which the Crowbar/Chef servers run on
- Compute Node – a node which has an OpenStack Compute (Nova) Role.
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Controller Node – Has the Nova-Controller/Keystone/… Role
- Controller Nodes – can be one or many (ie Keystone Controller, Swift-Proxy Controller, MySQL Controller,…)
- Swift-Proxy Node – Has the swift-proxy role
- Crowbar Installer – Program to that is a virtual machine used to tftp a raw node that will take the Personality of the Admin Node ( this is unclear, the grammar is poor and should be corrected)
- Admin Install – install program that you run to create the Admin Node after the Installer has laid a base down on the hard drive
- Openstack ISO – the ISO that is used to create the Admin Node for Openstack (based Ubuntu OS)
- Hadoop ISO - the ISO that is used to create the Admin Node for Hadoop (based on RedHat OS)
- bluepill - a process/daemon monitor written in ruby. and the set of machines to deploy the different roles onto.
- rainbows - a ruby web/application server
- barclamp - A set of Chef cookbooks, templates and other necessary logic for applying a particular role to a node, or to some set of nodes.
- proposal - Specific configuration for a barclamp, including barclamp-specific settings and the list of nodes to which the proposal should be applied.
- role - an instance of a proposal that is active on a node.
- chef - an automated configuration management platform.
- cookbook - a collection of chef recipes which deploy a software stack or technology. It is the unit of distribution for chef.
- recipe - a group of chef scripts (written in Chef/Ruby) and templates used by chef to deploy a unit of functionality.