Chef 12
Chef 12
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Attributes

About Attributes

An attribute is a specific detail about a node. Attributes are used by the chef-client to understand:

  • The current state of the node
  • What the state of the node was at the end of the previous chef-client run
  • What the state of the node should be at the end of the current chef-client run

Attributes are defined by:

  • The state of the node itself
  • Cookbooks (in attribute files and/or recipes)
  • Roles
  • Environments

During every chef-client run, the chef-client builds the attribute list using:

  • Data about the node collected by Ohai
  • The node object that was saved to the Chef server at the end of the previous chef-client run
  • The rebuilt node object from the current chef-client run, after it is updated for changes to cookbooks (attribute files and/or recipes), roles, and/or environ