class Prefab::ConfigLoader
Attributes
highwater_mark[R]
Public Class Methods
new(base_client)
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# File lib/prefab/config_loader.rb, line 6 def initialize(base_client) @base_client = base_client @highwater_mark = 0 @classpath_config = load_classpath_config @local_overrides = load_local_overrides @api_config = Concurrent::Map.new end
Public Instance Methods
calc_config()
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# File lib/prefab/config_loader.rb, line 14 def calc_config rtn = @classpath_config.clone @api_config.each_key do |k| rtn[k] = @api_config[k].value end rtn = rtn.merge(@local_overrides) rtn end
get_api_deltas()
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# File lib/prefab/config_loader.rb, line 41 def get_api_deltas deltas = Prefab::ConfigDeltas.new @api_config.each_value do |config_value| deltas.deltas << config_value end deltas end
rm(key)
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# File lib/prefab/config_loader.rb, line 37 def rm(key) @api_config.delete key end
set(delta)
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# File lib/prefab/config_loader.rb, line 23 def set(delta) # don't overwrite newer values if @api_config[delta.key] && @api_config[delta.key].id > delta.id return end if delta.value.nil? @api_config.delete(delta.key) else @api_config[delta.key] = delta end @highwater_mark = [delta.id, @highwater_mark].max end
Private Instance Methods
load(filename)
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# File lib/prefab/config_loader.rb, line 72 def load(filename) if File.exist? filename @base_client.log_internal Logger::INFO, "Load #{filename}" YAML.load_file(filename) else @base_client.log_internal Logger::INFO, "No file #{filename}" {} end end
load_classpath_config()
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# File lib/prefab/config_loader.rb, line 51 def load_classpath_config classpath_dir = ENV['PREFAB_CONFIG_CLASSPATH_DIR'] || "." load_glob(File.join(classpath_dir, ".prefab*config.yaml")) end
load_glob(glob)
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# File lib/prefab/config_loader.rb, line 61 def load_glob(glob) rtn = {} Dir.glob(glob).each do |file| yaml = load(file) yaml.each do |k, v| rtn[k] = Prefab::ConfigValue.new(value_from(v)) end end rtn end
load_local_overrides()
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# File lib/prefab/config_loader.rb, line 56 def load_local_overrides override_dir = ENV['PREFAB_CONFIG_OVERRIDE_DIR'] || Dir.home load_glob(File.join(override_dir, ".prefab*config.yaml")) end
value_from(raw)
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# File lib/prefab/config_loader.rb, line 82 def value_from(raw) case raw when String { string: raw } when Integer { int: raw } when TrueClass, FalseClass { bool: raw } when Float { double: raw } end end