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#!/usr/bin/env ruby
# frozen_string_literal: true
require 'yaml'
require 'optparse'
require_relative 'api/default_options'
# This script returns the desired feature flag state as a comma-separated string for the feature flags in the specified files.
# Each desired feature flag state is specified as 'feature-flag=state'.
#
# For example, if the specified files included `config/feature_flags/development/ci_yaml_limit_size.yml` and the desired
# state as specified by the second argument was enabled, the value returned would be `ci_yaml_limit_size=enabled`
class GetFeatureFlagsFromFiles
def initialize(options)
@files = options.delete(:files)
@state = options.delete(:state)
end
def extracted_flags
files.each_with_object([]) do |file_path, all|
next unless file_path =~ %r{/feature_flags/(development|ops)/.*\.yml}
next unless File.exist?(file_path)
ff_yaml = YAML.safe_load(File.read(file_path))
ff_to_add = "#{ff_yaml['name']}"
ff_to_add += "=#{state}" unless state.to_s.empty?
all << ff_to_add
end.join(',')
end
private
attr_reader :files, :state
end
if $0 == __FILE__
options = API::DEFAULT_OPTIONS.dup
OptionParser.new do |opts|
opts.on("-f", "--files FILES", Array, "Comma-separated list of feature flag config files") do |value|
options[:files] = value
end
opts.on("-s", "--state STATE", String,
"The desired state of the feature flags (enabled or disabled). If not specified the output will only list the feature flags."
) do |value|
options[:state] = value
end
opts.on("-h", "--help", "Prints this help") do
puts opts
exit
end
end.parse!
puts GetFeatureFlagsFromFiles.new(options).extracted_flags
end
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