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production.rake 2.3KB

    def failed; "[ \033[31mFAIL\033[0m ]"; end def ok; "[ \033[32mOK\033[0m ]"; end def run_as_root return true if ENV['USER'] == 'root' puts "#{failed} Please run this command as root or with sudo\n\n" exit -1 end def runit_installed return true unless `which sv` && $?.to_i != 0 puts "#{failed} Please install runit: \n\nsudo apt-get install runit\n\n" exit -1 end def remove_upstart_config return true unless File.exists?('/etc/init/huginn.conf') puts "#{failed} Please stop huginn and remove the huginn upstart init scripts:\n\n" puts "sudo stop huginn" puts "sudo rm /etc/init/huginn*\n\n" exit -1 end namespace :production do task :check do |t| remove_upstart_config runit_installed puts "#{ok} Everything is fine" if t.application.top_level_tasks.include? 'production:check' end task :stop => :check do puts "Stopping huginn ..." run_sv('stop') end task :start => :check do puts "Startig huginn ..." run_sv('start') end task :force_stop => :check do puts "Force stopping huginn ..." run_sv('force-stop') end task :status => :check do run_sv('status') end task :restart => :check do puts "Restarting huginn ..." run_sv('restart') end task :export => :check do run_as_root Rake::Task['production:stop'].execute puts "Exporting new services ..." run('rm -rf /etc/service/huginn*') run('foreman export runit -a huginn -l /home/huginn/huginn/log /etc/service') services = Dir.glob('/etc/service/huginn*') while services.length > 0 services.each do |p| supervise = File.join(p, 'supervise') next if !Dir.exists?(supervise) run("chown -R huginn:huginn #{p}") services.delete(p) end sleep 0.1 end end end def run_sv(command) Dir.glob('/etc/service/huginn*').each do |p| with_retries do run("sv #{command} #{File.basename(p)}") end end end def run(cmd, verbose=false) output = `#{cmd}` if $?.to_i != 0 raise "'#{cmd}' exited with a non-zero return value: #{output}" end puts output if verbose && output.strip != '' output end def with_retries(&block) tries ||= 5 output = block.call rescue StandardError => e retry unless (tries -= 1).zero? raise e else puts output end