Class: TingYun::Configuration::EnvironmentSource
- Inherits:
-
DottedHash
- Object
- Hash
- DottedHash
- TingYun::Configuration::EnvironmentSource
show all
- Defined in:
- lib/ting_yun/configuration/environment_source.rb
Constant Summary
collapse
- SUPPORTED_PREFIXES =
/^ting_yun_|^tingyun_/i
- SPECIAL_CASE_KEYS =
[
'TING_YUN_ENV',
'TING_YUN_LOG' ]
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods inherited from DottedHash
#inspect, symbolize, #to_hash
Constructor Details
Returns a new instance of EnvironmentSource.
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# File 'lib/ting_yun/configuration/environment_source.rb', line 18
def initialize
set_config_file
set_log_file
@alias_map = {}
@type_map = {}
DEFAULTS.each do |config_setting, value|
self.type_map[config_setting] = value[:type]
set_aliases(config_setting, value)
end
set_values_from_ting_yun_environment_variables
end
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Instance Attribute Details
#alias_map ⇒ Object
Returns the value of attribute alias_map.
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# File 'lib/ting_yun/configuration/environment_source.rb', line 16
def alias_map
@alias_map
end
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#type_map ⇒ Object
Returns the value of attribute type_map.
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# File 'lib/ting_yun/configuration/environment_source.rb', line 16
def type_map
@type_map
end
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Instance Method Details
#collect_ting_yun_environment_variable_keys ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 111
def collect_ting_yun_environment_variable_keys
ENV.keys.select { |key| key.match(SUPPORTED_PREFIXES) }
end
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#convert_environment_key_to_config_key(key) ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 106
def convert_environment_key_to_config_key(key)
stripped_key = key.gsub(SUPPORTED_PREFIXES, '').downcase.to_sym
self.alias_map[stripped_key] || stripped_key
end
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#set_aliases(config_setting, value) ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 33
def set_aliases(config_setting, value)
set_dotted_alias(config_setting)
return unless value[:aliases]
value[:aliases].each do |alise|
self.alias_map[alise] = config_setting
end
end
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#set_config_file ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 52
def set_config_file
self[:config_path] = ENV['NRCONFIG'] if ENV['NRCONFIG']
end
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#set_dotted_alias(original_config_setting) ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 42
def set_dotted_alias(original_config_setting)
config_setting = original_config_setting.to_s
if config_setting.include? '.'
config_alias = config_setting.gsub(/\./, '_').to_sym
self.alias_map[config_alias] = original_config_setting
end
end
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#set_key_by_type(config_key, environment_key) ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 81
def set_key_by_type(config_key, environment_key)
value = ENV[environment_key]
type = self.type_map[config_key]
if type == String
self[config_key] = value
elsif type == Fixnum
self[config_key] = value.to_i
elsif type == Float
self[config_key] = value.to_f
elsif type == Symbol
self[config_key] = value.to_sym
elsif type == TingYun::Configuration::Boolean
if value =~ /false|off|no/i
self[config_key] = false
elsif value != nil
self[config_key] = true
end
else
self[config_key] = value
end
end
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#set_log_file ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 57
def set_log_file
if ENV['TING_YUN_LOG']
if ENV['TING_YUN_LOG'].upcase == 'STDOUT'
self[:log_file_path] = self[:log_file_name] = 'STDOUT'
else
self[:log_file_path] = File.dirname(ENV['TING_YUN_LOG'])
self[:log_file_name] = File.basename(ENV['TING_YUN_LOG'])
end
end
end
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#set_value_from_environment_variable(key) ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 76
def set_value_from_environment_variable(key)
config_key = convert_environment_key_to_config_key(key)
set_key_by_type(config_key, key)
end
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#set_values_from_ting_yun_environment_variables ⇒ Object
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# File 'lib/ting_yun/configuration/environment_source.rb', line 68
def set_values_from_ting_yun_environment_variables
env_var_keys = collect_ting_yun_environment_variable_keys
env_var_keys.each do |key|
next if SPECIAL_CASE_KEYS.include?(key.upcase)
set_value_from_environment_variable(key)
end
end
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