cbuildbot/builders/sdk_builders.py

# Copyright 2015 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Module containing SDK builders."""

import datetime

from chromite.cbuildbot.builders import simple_builders
from chromite.cbuildbot.stages import artifact_stages
from chromite.cbuildbot.stages import build_stages
from chromite.cbuildbot.stages import chrome_stages
from chromite.cbuildbot.stages import sdk_stages
from chromite.lib import constants
from chromite.lib import parallel


class ChrootSdkBuilder(simple_builders.SimpleBuilder):
    """Build the SDK chroot."""

    def RunStages(self):
        """Runs through build process."""
        # Unlike normal CrOS builds, the SDK has no concept of pinned CrOS manifest
        # or specific Chrome version.  Use a datestamp instead.
        version = datetime.datetime.now().strftime("%Y.%m.%d.%H%M%S")
        self._RunStage(build_stages.UprevStage, boards=[])
        self._RunStage(build_stages.InitSDKStage)

        # We don't need the Chrome source until SDKTestStage.  Syncing it should
        # take less time than BuildSDKBoardStage, so lets run in parallel with it.
        parallel_stages = [
            lambda: self._RunStage(chrome_stages.SyncChromeStage),
            lambda: self._RunStage(
                build_stages.BuildSDKBoardStage, constants.CHROOT_BUILDER_BOARD
            ),
        ]
        parallel.RunParallelSteps(parallel_stages)

        self._RunStage(sdk_stages.SDKBuildToolchainsStage)

        self._RunStage(sdk_stages.SDKPackageStage, version=version)

        self._RunStage(sdk_stages.SDKTestStage)
        # manojgupta: The comment in para below is not valid right now. Need to
        # test SDK before making artifacts available to users because of
        # https://crbug.com/798617.
        # Move it after UploadPrebuilts again once the bug is fixed.
        #
        # Upload artifacts before tests. Testing takes several hours, so during
        # that, goma server will find the new archive and stage it. So that,
        # goma can be used on bots just after uprev.
        # TODO(hidehiko): We may want to run upload prebuilts and test in
        # parallel in future, if it becomes performance bottleneck.
        self._RunStage(
            artifact_stages.UploadPrebuiltsStage,
            constants.CHROOT_BUILDER_BOARD,
            version=version,
        )

        self._RunStage(sdk_stages.SDKUprevStage, version=version)