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class Hiera
module Backend
class << self
#
# NOTE: This method is overridden so we can collect accumulated hiera
# parameters and their values on a particular provisioning run for reporting
# purposes.
#
def lookup(key, default, scope, order_override, resolution_type)
@backends ||= {}
answer = nil
Config[:backends].each do |backend|
if constants.include?("#{backend.capitalize}_backend") || constants.include?("#{backend.capitalize}_backend".to_sym)
@backends[backend] ||= Backend.const_get("#{backend.capitalize}_backend").new
new_answer = @backends[backend].lookup(key, scope, order_override, resolution_type)
if not new_answer.nil?
case resolution_type
when :array
raise Exception, "Hiera type mismatch: expected Array and got #{new_answer.class}" unless new_answer.kind_of? Array or new_answer.kind_of? String
answer ||= []
answer << new_answer
when :hash
raise Exception, "Hiera type mismatch: expected Hash and got #{new_answer.class}" unless new_answer.kind_of? Hash
answer ||= {}
answer = merge_answer(new_answer,answer)
else
answer = new_answer
break
end
end
end
end
answer = resolve_answer(answer, resolution_type) unless answer.nil?
answer = parse_string(default, scope) if answer.nil? and default.is_a?(String)
answer = default if answer.nil?
# This is why we override this method!!
# TODO: Submit a patch that allows for some kind of hook into the process.
if CORL::Config.get_property(key).nil? || answer
CORL::Config.set_property(key, answer)
end
return answer
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems