td-agentデプロイ用のcapistranoレシピ

deploy.rb

set :config_file, "config/upload/fluent_#{stage}.conf"
set :fluent_plugins, ["file-alternative", "mongo"]

namespace :td do
  task :start, :roles => :fluentd do
    run "#{try_sudo} /etc/init.d/td-agent start"
  end

  task :stop, :roles => :fluentd do
    run "#{try_sudo} /etc/init.d/td-agent stop"
  end

  task :restart, :roles => :fluentd do
    run "#{try_sudo} /etc/init.d/td-agent restart"
  end

  task :reload, :roles => :fluentd do
    run "#{try_sudo} /etc/init.d/td-agent reload"
  end

  task :flush, :roles => :fluentd do
    run "#{try_sudo} pkill -USR1 td-agent"
  end

  task :setup, :roles => :fluentd do
    tmp = "#{shared_path}/config/tmp"
    upload(config_file, tmp)
    td_config = "/etc/td-agent/td-agent.conf"
    run "#{try_sudo} mv #{tmp} #{td_config}"
    run "#{try_sudo} mkdir -p /var/log/td-agent/#{application}"
    run "#{try_sudo} chown td-agent:td-agent /var/log/td-agent/#{application}"
    restart
  end

  task :gem_install, :roles => :fluentd do
    fluent_gem = "/usr/lib64/fluent/ruby/bin/fluent-gem"
    plugins = fluent_plugins.map{ |i| "fluent-plugin-#{i}"}.join(" ")
    run "#{try_sudo} #{fluent_gem} install #{plugins}"
  end
end