83 lines
3.0 KiB
Python
83 lines
3.0 KiB
Python
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# Copyright (C) 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Rule used to generate a Cuttlefish device environment.
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This rule creates a device environment rule to run tests on a Cuttlefish Android
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Virtual Device. Test targets that run in this environment will start a new
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dedicated virtual device for each execution.
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Device properties such as the image used can be configured via an attribute.
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"""
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load("//bazel/rules:platform_transitions.bzl", "host_transition")
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load("//bazel/rules:device_test.bzl", "DeviceEnvironment")
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load("@device_infra//remote_device:download_cvd_artifact.bzl", "ImageProvider")
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load(
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"//:constants.bzl",
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"adb_label",
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)
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_BAZEL_WORK_DIR = "${TEST_SRCDIR}/${TEST_WORKSPACE}/"
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def _cuttlefish_device_impl(ctx):
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path_additions = [_BAZEL_WORK_DIR + ctx.file._adb.dirname]
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image_file = ctx.attr.build_files[ImageProvider].image
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cvd_host_file = ctx.attr.build_files[ImageProvider].cvd_host_package
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ctx.actions.expand_template(
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template = ctx.file._create_script_template,
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output = ctx.outputs.out,
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is_executable = True,
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substitutions = {
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"{img_path}": _BAZEL_WORK_DIR + image_file.short_path,
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"{cvd_host_package_path}": _BAZEL_WORK_DIR + cvd_host_file.short_path,
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"{path_additions}": ":".join(path_additions),
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},
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)
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return DeviceEnvironment(
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runner = depset([ctx.outputs.out]),
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data = ctx.runfiles(files = [
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cvd_host_file,
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ctx.outputs.out,
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image_file,
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]),
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)
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cuttlefish_device = rule(
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attrs = {
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"build_files": attr.label(
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providers = [ImageProvider],
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mandatory = True,
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),
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"out": attr.output(mandatory = True),
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"_create_script_template": attr.label(
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default = "//bazel/rules/device:create_cuttlefish.sh.template",
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allow_single_file = True,
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),
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# This attribute is required to use Starlark transitions. It allows
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# allowlisting usage of this rule. For more information, see
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# https://docs.bazel.build/versions/master/skylark/config.html#user-defined-transitions
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"_allowlist_function_transition": attr.label(
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default = "@bazel_tools//tools/allowlists/function_transition_allowlist",
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),
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"_adb": attr.label(
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default = adb_label,
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allow_single_file = True,
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cfg = host_transition,
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),
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},
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implementation = _cuttlefish_device_impl,
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)
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