monit.rb

namespace :monit do

  namespace :debian do

    desc <<-DESC
    Install monit.

    "Source":#{link_to_source(__FILE__)}
    DESC
    task_arg(:monit_port, "Monit port", :default => 2812)
    task_arg(:monit_password, "Monit password")
    task_arg(:monit_conf_dir, :default => "/etc/monit")
    task_arg(:monit_build_options, <<-EOS)
    Monit build options
    <pre>
    <code class="ruby">
    set :monit_build_options, { :url => "http://www.tildeslash.com/monit/dist/monit-4.10.1.tar.gz" }
    </code>
    </pre>
    EOS
    task :install do
      # Install dependencies
      wajig.install([ "flex", "byacc" ])

      # Build
      build.make_install("monit", monit_build_options)

      # Install initscript
      utils.install_template("monit/monit.initd.debian.erb", "/etc/init.d/monit")

      # Install monitrc
      run_via "mkdir -p /etc/monit"
      utils.install_template("monit/monitrc.erb", "/etc/monitrc", :user => "root", :mode => "700")
      utils.install_template("monit/system.monitrc", "/etc/monit/system.monitrc", :user => "root", :mode => "700")

      # TODO: Implement ssl cert with variables

      # Install to inittab
      utils.append_to("/etc/inittab", <<-APPEND, "^mo:345:respawn:/usr/local/bin/monit")

        # Run monit in standard run-levels
        mo:345:respawn:/usr/local/bin/monit -Ic /etc/monitrc -p /var/run/monit.pid
      APPEND

      # HUP the inittab
      run_via "update-rc.d monit defaults"
      run_via "/etc/init.d/monit restart"
      run_via "telinit q"
    end

  end

end