Method: Beaker::Perf#setup_perf_on_host

Defined in:
lib/beaker/perf.rb

#setup_perf_on_host(host) ⇒ void

This method returns an undefined value.

Install sysstat if required and perform any modifications needed to make sysstat work.

Parameters:

  • host (Host) —

    The host we are working with



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# File 'lib/beaker/perf.rb', line 28

def setup_perf_on_host(host)
  @logger.perf_output("Setup perf on host: " + host)
  # Install sysstat if required
  if PERF_SUPPORTED_PLATFORMS.match?(host['platform'])
    PERF_PACKAGES.each do |pkg|
      host.install_package pkg if not host.check_for_package pkg
    end
  else
    @logger.perf_output("Perf (sysstat) not supported on host: " + host)
  end

  if /debian|ubuntu/.match?(host['platform'])
    @logger.perf_output("Modify /etc/default/sysstat on Debian and Ubuntu platforms")
    host.exec(Command.new('sed -i s/ENABLED=\"false\"/ENABLED=\"true\"/ /etc/default/sysstat'))
  elsif /opensuse|sles/.match?(host['platform'])
    @logger.perf_output("Creating symlink from /etc/sysstat/sysstat.cron to /etc/cron.d")
    host.exec(Command.new('ln -s /etc/sysstat/sysstat.cron /etc/cron.d'), :acceptable_exit_codes => [0, 1])
  end
  if @options[:collect_perf_data]&.include?('aggressive')
    @logger.perf_output("Enabling aggressive sysstat polling")
    if /debian|ubuntu/.match?(host['platform'])
      host.exec(Command.new('sed -i s/5-55\\\/10/*/ /etc/cron.d/sysstat'))
    elsif /amazon|centos|el|fedora|oracle|redhat|scientific/.match?(host['platform'])
      host.exec(Command.new('sed -i s/*\\\/10/*/ /etc/cron.d/sysstat'))
    end
  end
  return unless PERF_START_PLATFORMS.match?(host['platform']) # SLES doesn't need this step

  host.exec(Command.new('service sysstat start'))
end