May 2017
Intermediate to advanced
726 pages
15h 38m
English
Content preview from Chef: Powerful Infrastructure AutomationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Organizing your configuration data
Chef runs on configuration data—this data can be stored in a variety of different locations, and with a variety of purposes. When computing the final configuration for a given node, the sources of configuration data are then "squashed" into a single, authoritative configuration to be deployed. Those sources include the following:
- Cookbooks: To provide reasonable defaults for recipes
- Nodes: Node-level overrides and defaults
- Roles: Per-role configuration data
- Data bags: System-wide configuration data storage
Data from these locations is combined to produce a final hash of attributes when a client requests its run list from the server. Cookbooks provide a baseline set of attributes that the recipes inside rely on. These ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.