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require 'fileutils'
class Benchmarker
include FileUtils
def initialize(target, size)
@target = target
@size = size > 100 ? size : 100
end
def setup
require 'puppet'
@config = File.join(@target, 'puppet.conf')
Puppet.initialize_settings(['--config', @config])
envs = Puppet.lookup(:environments)
@node = Puppet::Node.new('testing', :environment => envs.get('benchmarking'))
end
def run(args=nil)
@compiler = Puppet::Parser::Compiler.new(@node)
@compiler.compile do |catalog|
scope = @compiler.topscope
scope['confdir'] = 'test'
@size.times do
100.times do |index|
hiera_func = @compiler.loaders.puppet_system_loader.load(:function, 'hiera')
hiera_func.call(scope, "x#{index}")
end
end
catalog
end
end
def generate
env_dir = File.join(@target, 'environments', 'benchmarking')
hiera_yaml = File.join(@target, 'hiera.yaml')
datadir = File.join(@target, 'data')
datadir_test = File.join(datadir, 'test')
test_data_yaml = File.join(datadir_test, 'data.yaml')
common_yaml = File.join(datadir, 'common.yaml')
mkdir_p(env_dir)
mkdir_p(datadir)
mkdir_p(datadir_test)
File.open(hiera_yaml, 'w') do |f|
f.puts(<<-YAML)
---
:backends: yaml
:yaml:
:datadir: #{datadir}
:hierarchy:
- "%{confdir}/data"
- common
:logger: noop
YAML
end
File.open(common_yaml, 'w') do |f|
100.times do |index|
f.puts("a#{index}: value a#{index}")
f.puts("b#{index}: value b#{index}")
f.puts("c#{index}: value c#{index}")
f.puts("cbm#{index}: \"%{hiera('a#{index}')}, %{hiera('b#{index}')}, %{hiera('c#{index}')}\"")
end
end
File.open(test_data_yaml, 'w') do |f|
100.times { |index| f.puts("x#{index}: \"%{hiera('cbm#{index}')}\"")}
end
templates = File.join('benchmarks', 'hiera_function')
render(File.join(templates, 'puppet.conf.erb'),
File.join(@target, 'puppet.conf'),
:location => @target)
end
def render(erb_file, output_file, bindings)
site = ERB.new(File.read(erb_file))
File.open(output_file, 'w') do |fh|
fh.write(site.result(OpenStruct.new(bindings).instance_eval { binding }))
end
end
end
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