class EtcdTools::Cli::EtcdERB
Public Class Methods
new()
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# File lib/etcd-tools/cli/etcd_erb.rb, line 32 def initialize self.optparse begin @etcd = etcd_connect @options[:url] rescue Etcd::ClusterConnectError $stderr.puts "Failed to connect to ETCD cluster" exit! 1 end begin template = EtcdTools::Erb.new @etcd, ARGF.read puts template.result rescue Exception => e $stderr.puts "Failed to parse ERB template!" $stderr.puts e.message exit! 1 end end
Public Instance Methods
optparse()
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# File lib/etcd-tools/cli/etcd_erb.rb, line 10 def optparse @options = Hash.new @options[:url] = ENV['ETCDCTL_ENDPOINT'] @options[:url] ||= "http://127.0.0.1:2379" OptionParser.new do |opts| opts.banner = "Applies variables from ETCD onto ERB template\n\nUsage: #{$0} [OPTIONS] < template.erb > outfile" opts.separator "" opts.separator "Connection options:" opts.on("-u", "--url URL", "URL endpoint of the ETCD service (ETCDCTL_ENDPOINT envvar also applies) [DEFAULT: http://127.0.0.1:2379]") do |param| @options[:url] = param end opts.separator "" opts.separator "Common options:" opts.on_tail("-h", "--help", "show usage") do |param| puts opts exit! 0 end end.parse! end