Sha256: ee9b03b3c3c5e18e6c8300b04f652c824eaaf8dc287d06748df2a5f0bbe661f5
Contents?: true
Size: 1.92 KB
Versions: 10
Compression:
Stored size: 1.92 KB
Contents
require 'clamp'
require 'logstash/environment'
module Clamp
module Attribute
class Instance
def default_from_environment
# we don't want uncontrolled var injection from the environment
# since we're establishing that settings can be pulled from only three places:
# 1. default settings
# 2. yaml file
# 3. cli arguments
end
end
end
module Option
module StrictDeclaration
include Clamp::Attribute::Declaration
# Instead of letting Clamp set up accessors for the options
# weŕe going to tightly controlling them through
# LogStash::SETTINGS
def define_simple_writer_for(option, &block)
LogStash::SETTINGS.get(option.attribute_name)
define_method(option.write_method) do |value|
value = instance_exec(value, &block) if block
LogStash::SETTINGS.set_value(option.attribute_name, value)
end
end
def define_reader_for(option)
define_method(option.read_method) do
LogStash::SETTINGS.get_value(option.attribute_name)
end
end
end
class Definition
# Allow boolean flags to optionally receive a true/false argument
# to explicitly set them, i.e.
# --long.flag.name => sets flag to true
# --long.flag.name true => sets flag to true
# --long.flag.name false => sets flag to false
# --long.flag.name=true => sets flag to true
# --long.flag.name=false => sets flag to false
def extract_value(switch, arguments)
if flag? && (arguments.first.nil? || arguments.first.match("^-"))
flag_value(switch)
else
arguments.shift
end
end
end
end
# Create a subclass of Clamp::Command that enforces the use of
# LogStash::SETTINGS for setting validation
class StrictCommand < Command
class << self
include ::Clamp::Option::StrictDeclaration
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems