class DockerBoss::Module::DNS
Attributes
records[R]
Public Class Methods
new(config)
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# File lib/docker_boss/module/dns.rb, line 10 def initialize(config) @records = {} @setup_records = {} @config = config DockerBoss.logger.debug "dns: Set up" setup end
Public Instance Methods
run()
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# File lib/docker_boss/module/dns.rb, line 26 def run listen = [] DockerBoss.logger.debug "dns: Starting DNS server" @config['listen'].each do |l| host = DockerBoss::Helpers.render_erb(l['host'], {}) listen << [:udp, host, l['port'].to_i] listen << [:tcp, host, l['port'].to_i] DockerBoss.logger.debug "dns: Listening on #{host} (port: #{l['port']})" end Thread.new do RubyDNS::run_server(:listen => listen, :ttl => @config['ttl'], :upstream_dns => @config['upstream'], :zones => @config['zones'], :supervisor_class => Server, :manager => self) end end
setup()
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# File lib/docker_boss/module/dns.rb, line 18 def setup setup = DockerBoss::Helpers.render_erb(@config.fetch('setup', ''), {}) setup.lines.each do |line| (name, ip) = line.lstrip.chomp.split(" ", 2) @setup_records[name] = ip end end
trigger(containers, trigger_id)
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# File lib/docker_boss/module/dns.rb, line 43 def trigger(containers, trigger_id) records = @setup_records.clone containers.each do |c| names = DockerBoss::Helpers.render_erb(@config['spec'], :container => c) names.lines.each do |n| records[n.lstrip.chomp] = c['NetworkSettings']['IPAddress'] end end @records = records end