automation/clients/helper/chromeos.py

#!/usr/bin/python
#
# Copyright 2011 Google Inc. All Rights Reserved.

__author__ = "asharif@google.com (Ahmad Sharif)"

import os.path
import re

from automation.clients.helper import jobs
from automation.clients.helper import perforce
from automation.common import command as cmd
from automation.common import machine


class ScriptsFactory(object):
  def __init__(self, chromeos_root, scripts_path):
    self._chromeos_root = chromeos_root
    self._scripts_path = scripts_path

  def SummarizeResults(self, logs_path):
    return cmd.Shell("summarize_results.py",
                     logs_path,
                     path=self._scripts_path)

  def Buildbot(self, config_name):
    buildbot = os.path.join(self._chromeos_root,
                            "chromite/cbuildbot/cbuildbot.py")

    return cmd.Shell(buildbot,
                     "--buildroot=%s" % self._chromeos_root,
                     "--resume",
                     "--noarchive",
                     "--noprebuilts",
                     "--nosync",
                     "--nouprev",
                     "--notests",
                     "--noclean",
                     config_name)

  def RunBenchmarks(self, board, tests):
    image_path = os.path.join(self._chromeos_root,
                              "src/build/images",
                              board,
                              "latest/chromiumos_image.bin")

    return cmd.Shell("cros_run_benchmarks.py",
                     "--remote=$SECONDARY_MACHINES[0]",
                     "--board=%s" % board,
                     "--tests=%s" % tests,
                     "--full_table",
                     image_path,
                     path="/home/mobiletc-prebuild")

  def SetupChromeOS(self, version="latest", use_minilayout=False):
    setup_chromeos = cmd.Shell("setup_chromeos.py",
                               "--public",
                               "--dir=%s" % self._chromeos_root,
                               "--version=%s" % version,
                               path=self._scripts_path)

    if use_minilayout:
      setup_chromeos.AddOption("--minilayout")
    return setup_chromeos


class CommandsFactory(object):
  DEPOT2_DIR = "//depot2/"
  P4_CHECKOUT_DIR = "perforce2/"
  P4_VERSION_DIR = os.path.join(P4_CHECKOUT_DIR, "gcctools/chromeos/v14")

  CHROMEOS_ROOT = "chromeos"
  CHROMEOS_SCRIPTS_DIR = os.path.join(CHROMEOS_ROOT, "src/scripts")
  CHROMEOS_BUILDS_DIR = "/home/mobiletc-prebuild/www/chromeos_builds"

  def __init__(self, chromeos_version, board, toolchain, p4_snapshot):
    self.chromeos_version = chromeos_version
    self.board = board
    self.toolchain = toolchain
    self.p4_snapshot = p4_snapshot

    self.scripts = ScriptsFactory(self.CHROMEOS_ROOT, self.P4_VERSION_DIR)

  def AddBuildbotConfig(self, config_name, config_list):
    config_header = "add_config(%r, [%s])" % (config_name,
                                              ", ".join(config_list))
    config_file = os.path.join(self.CHROMEOS_ROOT,
                               "chromite/cbuildbot/cbuildbot_config.py")
    quoted_config_header = "%r" % config_header
    quoted_config_header = re.sub("'", "\\\"", quoted_config_header)

    return cmd.Pipe(cmd.Shell("echo", quoted_config_header),
                    cmd.Shell("tee", "--append", config_file))

  def RunBuildbot(self):
    config_dict = {"board": self.board,
                   "build_tests": True,
                   "chrome_tests": True,
                   "unittests": False,
                   "vm_tests": False,
                   "prebuilts": False,
                   "latest_toolchain": True,
                   "useflags": ["chrome_internal"],
                   "usepkg_chroot": True,
                   self.toolchain: True}
    config_name = "%s-toolchain-test" % self.board
    if "arm" in self.board:
      config_list = ["arm"]
    else:
      config_list = []
    config_list.extend(["internal", "full", "official", str(config_dict)])

    add_config_shell = self.AddBuildbotConfig(config_name, config_list)
    return cmd.Chain(add_config_shell, self.scripts.Buildbot(config_name))

  def BuildAndBenchmark(self):
    return cmd.Chain(
        self.CheckoutV14Dir(),
        self.SetupChromeOSCheckout(self.chromeos_version, True),
        self.RunBuildbot(),
        self.scripts.RunBenchmarks(self.board, "BootPerfServer,10:Page,3"))

  def GetP4Snapshot(self, p4view):
    p4client = perforce.CommandsFactory(self.P4_CHECKOUT_DIR, p4view)

    if self.p4_snapshot:
      return p4client.CheckoutFromSnapshot(self.p4_snapshot)
    else:
      return p4client.SetupAndDo(p4client.Sync(), p4client.Remove())

  def CheckoutV14Dir(self):
    p4view = perforce.View(self.DEPOT2_DIR, [
        perforce.PathMapping("gcctools/chromeos/v14/...")])
    return self.GetP4Snapshot(p4view)

  def SetupChromeOSCheckout(self, version, use_minilayout=False):
    version_re = "^\d+\.\d+\.\d+\.[a-zA-Z0-9]+$"

    location = os.path.join(self.CHROMEOS_BUILDS_DIR, version)

    if version in ["weekly", "quarterly"]:
      assert os.path.islink(location), "Symlink %s does not exist." % location

      location_expanded = os.path.abspath(os.path.realpath(location))
      version = os.path.basename(location_expanded)

    if version in ["top", "latest"] or re.match(version_re, version):
      return self.scripts.SetupChromeOS(version, use_minilayout)

    elif version.endswith("bz2") or version.endswith("gz"):
      return cmd.UnTar(location_expanded, self.CHROMEOS_ROOT)

    else:
      signature_file_location = os.path.join(location,
                                             "src/scripts/enter_chroot.sh")
      assert os.path.exists(signature_file_location), (
          "Signature file %s does not exist." % signature_file_location)

      return cmd.Copy(location, to_dir=self.CHROMEOS_ROOT, recursive=True)


class JobsFactory(object):
  def __init__(self, chromeos_version="top", board="x86-mario",
               toolchain="trunk", p4_snapshot=""):
    self.chromeos_version = chromeos_version
    self.board = board
    self.toolchain = toolchain

    self.commands = CommandsFactory(chromeos_version, board, toolchain,
                                    p4_snapshot)

  def BuildAndBenchmark(self):
    command = self.commands.BuildAndBenchmark()

    label = "BuildAndBenchmark(%s,%s,%s)" % (
        self.toolchain, self.board, self.chromeos_version)

    machine_label = "chromeos-%s" % self.board

    job = jobs.CreateLinuxJob(label, command)
    job.DependsOnMachine(
        machine.MachineSpecification(label=machine_label, lock_required=True),
        False)

    return job