Basic rake script for configuring .net projects with yaml and configatron

dotnet configuration with Rake

require 'rake'
require 'configatron'
require 'pp'

task :setEnvironmentVariables do

	$env = ENV['environment']	
	if $env.nil? 
		puts "Please enter an environment to deploy this build to."
		fail
	elsif !File.exist?($env + ".yaml")
		puts "Cannot find configuration for #{$env} environment."
		puts "Try one of " + Dir.glob("*.yaml").collect {|f| f[0...f.index('.')]}.to_s
		fail
	else				
		configatron.configure_from_yaml($env + ".yaml")
		puts "Releasing build to #{$env} environment."
	end
	
end


desc 'Config CWS Web application to  environment'
task :config_all_projects => :setEnvironmentVariables do
  puts "Config ALL applications to environment"  
	Dir.glob("**/*.configatron") do |filename|		
		str = File.read(filename)
		str = str.gsub(/#\{(configatron\..*)\}/) do |v| 
			c = eval($1)
			#puts $1, c
			if c.nil?
				puts "The config parameter #{$1} in #{filename} is missing from #{$env}.yaml"
				puts "Check your configuration files and re-run this task."
				fail
			end
			c
		end		
		# delete file?
		filename["configatron"] = "config"		
		File.open(filename, 'w') { |f| f.write(str) }
	end
end