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# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Rule used to generate a Cuttlefish device environment.
This rule creates a device environment rule to run tests on a Cuttlefish Android
Virtual Device. Test targets that run in this environment will start a new
dedicated virtual device for each execution.
Device properties such as the image used can be configured via an attribute.
"""
load("//build/bazel_common_rules/rules/remote_device/device:device_environment.bzl", "DeviceEnvironment")
load("//build/bazel_common_rules/rules/remote_device/downloader:download_cvd_artifact.bzl", "ImageProvider")
_BAZEL_WORK_DIR = "${TEST_SRCDIR}/${TEST_WORKSPACE}/"
def _cuttlefish_device_impl(ctx):
path_additions = [_BAZEL_WORK_DIR]
image_file = ctx.attr.cvd_build_artifacts[ImageProvider].image
cvd_host_file = ctx.attr.cvd_build_artifacts[ImageProvider].cvd_host_package
ctx.actions.expand_template(
template = ctx.file._create_script_template,
output = ctx.outputs.out,
is_executable = True,
substitutions = {
"{img_path}": _BAZEL_WORK_DIR + image_file.short_path,
"{cvd_host_package_path}": _BAZEL_WORK_DIR + cvd_host_file.short_path,
"{path_additions}": ":".join(path_additions),
},
)
return DeviceEnvironment(
runner = depset([ctx.outputs.out]),
data = ctx.runfiles(files = [
cvd_host_file,
ctx.outputs.out,
image_file,
]),
)
cuttlefish_device = rule(
attrs = {
"cvd_build_artifacts": attr.label(
providers = [ImageProvider],
mandatory = True,
),
"out": attr.output(mandatory = True),
"_create_script_template": attr.label(
default = ":create_cuttlefish.sh.template",
allow_single_file = True,
),
},
implementation = _cuttlefish_device_impl,
)
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