class StackedConfig::Layers::EnvLayer
Attributes
filter[R]
Public Class Methods
new(filter=nil)
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# File lib/stacked_config/layers/env_layer.rb, line 8 def initialize(filter=nil) self.filter = filter end
Public Instance Methods
filter=(filter)
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# File lib/stacked_config/layers/env_layer.rb, line 12 def filter=(filter) raise 'Invalid filter' unless [NilClass, String, Array, Regexp].include? filter.class @filter = filter load end
load(*args)
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# File lib/stacked_config/layers/env_layer.rb, line 18 def load(*args) self.replace read_filtered_environment @file_name = :none self end
Private Instance Methods
read_filtered_environment()
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# File lib/stacked_config/layers/env_layer.rb, line 26 def read_filtered_environment return ENV.to_hash if filter.nil? if filter.is_a? Array ENV.to_hash.select {|k, v| filter.include?(k) } elsif filter.is_a? Regexp ENV.to_hash.select {|k, v| k =~ filter } elsif filter.is_a? String ENV.to_hash.select {|k, v| k == filter } end end