Install newrelic capistrano task

config-newrelic.rb

ask(:newrelic_license_key, '')

desc 'Install newrelic-sysmond'
task :install_newrelic_sysmond do
  on roles(:all) do
    unless test("command -v nrsysmond-config >/dev/null 2>&1")
      execute 'echo deb http://apt.newrelic.com/debian/ newrelic non-free | sudo tee /etc/apt/sources.list.d/newrelic.list'
      execute 'curl --silent https://download.newrelic.com/548C16BF.gpg | sudo apt-key add -'
      sudo 'apt-get update'
      sudo 'DEBIAN_FRONTEND=noninteractive apt-get install -y newrelic-sysmond'

      sudo "nrsysmond-config --set license_key=#{fetch(:newrelic_license_key)}"
      sudo '/etc/init.d/newrelic-sysmond start'
    end
  end
end

before :starting, :install_newrelic_sysmond