Module: OatsAgent

Defined in:
lib/oats_agent.rb,
lib/oats_agent/ragent.rb,
lib/oats_agent/rclient.rb,
lib/oats_agent/version.rb,
lib/oats_agent/commandline_options.rb

Defined Under Namespace

Modules: CommandlineOptions Classes: Ragent, Rclient

Constant Summary collapse

VERSION = 
"0.0.3"

Class Method Summary collapse

Class Method Details

.fkill(proc) ⇒ Object 



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# File 'lib/oats_agent.rb', line 15

def fkill(proc)
  if proc.instance_of? Hash
    pname = proc['cmd']
    pid = proc['pid']
    msg = " PID #{pid}: #{pname}"
  else
    pid = proc
  end
  $log.warn "Killing" + msg
  if RUBY_PLATFORM =~ /(mswin|mingw)/
    killed = Process.kill('KILL',pid.to_i)
    killed = 0 if RUBY_VERSION =~ /^1.9/ and killed.empty?
    $log.warn "Failed to kill" + msg if killed == 0
  else
    out = `kill -9 #{pid} 2>&1`
    $log.warn out unless out == ''
  end
end

.kill_matching(cmd_string) ⇒ Object 



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# File 'lib/oats_agent.rb', line 34

def kill_matching(cmd_string)
  procs = []
  if RUBY_PLATFORM =~ /(mswin|mingw)/
    WIN32OLE.connect("winmgmts://").ExecQuery("select * from win32_process").each do |process|
      #          puts [process.Commandline, process.ProcessId, process.name].inspect
      procs.push 'pid' => process.ProcessId, 'cmd' => process.CommandLine if process.Commandline =~ /#{cmd_string}/
    end
    # Looking for port is too slow on windows
    #        lines = "netstat -#{RUBY_PLATFORM =~ /(mswin|mingw)/ ?  'a' : 'n' } -o"
    #        list = `#{lines}`.split(/\n/)
    #        list.each do |p|
    #          p =~ /:(\d+)\s+.*\s+LISTENING\s+(\d+)/
    #          next unless $1 and $1 == port
    #          procs.push({ 'pid' => $2, 'cmd' => 'LISTENING' }) 
    #        end
  else
    ps_cmd = "ps -ew -o pid=,ppid=,command="
    ps_list = `#{ps_cmd}`
    list = ps_list.split(/\n/)
    list.each do |p|
      next unless p =~ /#{cmd_string}/
      p =~ /(\d+)\s+(\d+)\s+(.*)/
      procs.push({ 'pid' => $1, 'ppid' => $2, 'cmd' => $3 }) 
    end
  end
  procs.each { |p| fkill(p) }
end

.spawn(options) ⇒ Object

Initiates process to run agent in the background

Options Hash Keys:
  required: agent_nickname, agent_port, 
  optional: oats_user, test_directory, repository_version



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# File 'lib/oats_agent.rb', line 67

def spawn(options)
  nick = options["nickname"] || ENV['HOSTNAME']
  port = options["port"] || 3010
  port = port.to_s
  user = options["user"]
  repo_version = options["repository_version"]
  dir_tests = options["test_directory"] || ENV['OATS_TESTS']

  archive_dir = File.expand_path "results_archive", ENV['HOME']
  log_dir = "#{archive_dir}/#{nick}/agent_logs"
  log_file = "#{log_dir}/agent_#{Time.new.to_i}.log"
  config_file = "#{log_dir}/config-agent.txt"
  agent_log_file = "#{log_dir}/agent.log"
  params =  "-n #{nick} -p #{port}"
  
  agent_params = params.dup
  agent_params +=  "-r #{repo_version}" if repo_version
  agent_params +=  "-u #{user}" if user
  if options["agent_host"] and options["agent_host"] != ENV['HOSTNAME']
    if RUBY_PLATFORM =~ /(mswin|mingw)/
      cmd = "psexec.exe -d -i -n 10 -w " + archive_dir +
        ' -u qa -p ' + 'passwd' + ' \\\\' + options["agent_host"] +
        ' ruby oats_agent ' + agent_params.join(' ')
    else
      #  options['agent_host'] = ENV['HOSTNAME']
      cmd = "ssh " + options["agent_host"] + ' oats_agent ' + agent_params
    end
    $log.info "Issuing remote host request: #{cmd}"
    out = `#{cmd}`
    $log.info out unless out == ''
    return
  end
  
  
  FileUtils.mkdir_p(log_dir) unless File.exists?(log_dir)
  ENV['OATS_AGENT_LOGFILE'] = log_file

  ruby_cmd = File.expand_path('../oats_agent/start.rb', __FILE__) + ' ' + params
  
  # Need these off when called by OCC, otherwise the OCC values are inherited
  %w(RUBYOPT BUNDLE_BIN_PATH BUNDLE_GEMFILE).each { |e| ENV[e] = nil }
  kill_matching ruby_cmd
  return if options["kill_agent"]

  if File.directory?(dir_tests + '/.svn') and ENV['OATS_TESTS_SVN_REPOSITORY']
    svn_out =nil
    $log.info "Requested OATS Version: #{repo_version}" if repo_version
    code_version = nil
   
    3.times do
      code_version = `svn info #{dir_tests} | sed -n 's/Last Changed Rev: *//p'`
      code_version = nil if code_version == ''
      break if code_version.nil? or (repo_version and  code_version >= repo_version)
      cmd = "svn update #{dir_tests} 2>&1"
      svn_out = `#{cmd}`
      svn_out.chomp!
      $log.info svn_out
      case svn_out 
      when/^At revision/
        code_version = svn_out.sub(/At revision *(\d+).*/,'\1')
      when/Cleanup/
      when/Could not resolve hostname/
        break
      end
      if code_version == ''
        code_version = nil 
        sleep 3
      else
        break
      end
    end
    if svn_out.nil? and ENV['OATS_TESTS_SVN_REPOSITORY']
      $log.error "Could not update the code version " +( code_version || '') + ( repo_version ? "to #{repo_version}" : '')
      exit 2
    end

  elsif ENV["$OATS_TESTS_GIT_REPOSITORY"]
    dir_tests = archive_dir + ENV['OATS_AGENT_NICKNAME'] + '/oats_tests'
    `git clone git_rep dir_tests if File.directory?(dir_tests)`
    Dir.chdir dir_tests
    origin = ENV["$OATS_TESTS_GIT_REPOSITORY"] || 'origin'

    if repo_version
      2.times do
        # may detach HEAD, but it is OK
        out = `git checkout #{repo_version} 2>&1`
        break if status == 0
        if out == "fatal: reference is not a tree: #{repo_version}"
          $log.info "Need to pull requested version: #{repo_version} "
        else
          $log.info "$out"
        end
        $log.info `git pull #{origin} master` # fast-forward master from origin
      end
    else
      $log.info `git pull #{origin} master` # fast-forward master from origin
    end
    code_version = `git rev-list HEAD -1` # last commit in checked out version
    if code_version =~ /#{repo_version}/
      $log.info "Could not update the code version #{code_version} to #{repo_version}" 
      exit 2
    end
    $log.info "Using OATS code version: #{code_version}" unless repo_version
  else
    code_version = repo_version
    $log.info "Setting OATS code version to the requested version: #{code_version}" if code_version 
  end if dir_tests
  ENV['OATS_TESTS_CODE_VERSION'] = code_version

  msg = ''
  msg += "User: #{user} " if user
  msg += "Repo version: #{repo_version} " if repo_version
  $log.info "#{msg}Starting: #{ruby_cmd}"
  if RUBY_PLATFORM =~ /(mswin|mingw)/
    archiv = ENV['HOME'] + '/results_archive'
    cmd = "psexec.exe -d -i -n 10 -w #{archiv} ruby #{ruby_cmd} 2>&1"
  else
    cmd = "#{ruby_cmd} >/dev/null 2>&1 &" 
  end
  out = `#{cmd}`
  $log.info out unless out == ''
  File.open(config_file, 'w') {|f| f.puts(nick +' '+ port) }

  10.times do
    if File.exist? log_file
      FileUtils.rm_f agent_log_file
      FileUtils.ln log_file, agent_log_file
      break
    end
    sleep 1
  end

end