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pghalliday/cascade_chef_attributes.rb

Last active August 29, 2015 14:09
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Opcode Chef cascade attribute overrides
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cascade_chef_attributes.rb
#
# What user gets created when `cookbook_c` is applied?
#
# cookbook_a/attributes/default.rb
node[cookbook_a][user] = 'a'
# cookbook_a/recipes/default.rb
user node[cookbook_a][user]
# cookbook_b/attributes/default.rb
node[cookbook_b][user] = 'b'
# cookbook_b/recipes/default.rb
node.override[cookbook_a][user] = node[cookbook_b][user]
include_recipe 'cookbook_a'
# cookbook_c/attributes/default.rb
node[cookbook_c][user] = 'c'
# cookbook_c/recipes/default.rb
node.override[cookbook_b][user] = node[cookbook_c][user]
include_recipe 'cookbook_b'
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