blob: 65e592e1b8f38853fd0fd886a2dcedcb7b19f55d [file]
#
# Copyright 2024, 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.
from abc import ABC
import argparse
import functools
import json
import logging
import os
import pathlib
import re
import shutil
import subprocess
from build_context import BuildContext
import metrics_agent
import test_mapping_module_retriever
import test_discovery_agent
class OptimizedBuildTarget(ABC):
"""A representation of an optimized build target.
This class will determine what targets to build given a given build_cotext and
will have a packaging function to generate any necessary output zips for the
build.
"""
_SOONG_UI_BASH_PATH = 'build/soong/soong_ui.bash'
_PREBUILT_SOONG_ZIP_PATH = 'prebuilts/build-tools/linux-x86/bin/soong_zip'
def __init__(
self,
target: str,
build_context: BuildContext,
args: argparse.Namespace,
test_infos,
):
self.target = target
self.build_context = build_context
self.args = args
self.test_infos = test_infos
def get_build_targets(self) -> set[str]:
features = self.build_context.enabled_build_features
if self.get_enabled_flag() in features:
try:
self.modules_to_build = self.get_build_targets_impl()
return self.modules_to_build
except Exception as e:
logging.error(f'error while getting build targets: {e}')
metrics_agent_instance = metrics_agent.MetricsAgent.instance()
metrics_agent_instance.report_unoptimized_target(self.target, f'Error in optimized target for {self.target}: {repr(e)}')
self.modules_to_build = {self.target}
return {self.target}
if self.target == 'general-tests':
self._report_info_metrics_silently('general-tests.zip')
self.modules_to_build = {self.target}
return {self.target}
def get_package_outputs_commands(self) -> list[list[str]]:
features = self.build_context.enabled_build_features
if self.get_enabled_flag() in features:
# If there was a fallback, don't try to do the packaging logic
if self.modules_to_build == {self.target}:
return []
return self.get_package_outputs_commands_impl()
return []
def get_package_outputs_commands_impl(self) -> list[list[str]]:
raise NotImplementedError(
'get_package_outputs_commands_impl not implemented in'
f' {type(self).__name__}'
)
def get_enabled_flag(self):
raise NotImplementedError(
f'get_enabled_flag not implemented in {type(self).__name__}'
)
def get_build_targets_impl(self) -> set[str]:
raise NotImplementedError(
f'get_build_targets_impl not implemented in {type(self).__name__}'
)
def _generate_zip_options_for_items(
self,
prefix: str = '',
relative_root: str = '',
list_files: list[str] | None = None,
files: list[str] | None = None,
directories: list[str] | None = None,
) -> list[str]:
if not list_files and not files and not directories:
raise RuntimeError(
f'No items specified to be added to zip! Prefix: {prefix}, Relative'
f' root: {relative_root}'
)
command_segment = []
# These are all soong_zip options so consult soong_zip --help for specifics.
if prefix:
command_segment.append('-P')
command_segment.append(prefix)
if relative_root:
command_segment.append('-C')
command_segment.append(relative_root)
if list_files:
for list_file in list_files:
command_segment.append('-l')
command_segment.append(list_file)
if files:
for file in files:
command_segment.append('-f')
command_segment.append(file)
if directories:
for directory in directories:
command_segment.append('-D')
command_segment.append(directory)
return command_segment
def _query_soong_vars(
self, src_top: pathlib.Path, soong_vars: list[str]
) -> dict[str, str]:
process_result = subprocess.run(
args=[
f'{src_top / self._SOONG_UI_BASH_PATH}',
'--dumpvars-mode',
f'--abs-vars={" ".join(soong_vars)}',
],
env=os.environ,
check=False,
capture_output=True,
text=True,
)
if not process_result.returncode == 0:
logging.error('soong dumpvars command failed! stderr:')
logging.error(process_result.stderr)
raise RuntimeError('Soong dumpvars failed! See log for stderr.')
if not process_result.stdout:
raise RuntimeError(
'Necessary soong variables ' + soong_vars + ' not found.'
)
try:
return {
line.split('=')[0]: line.split('=')[1].strip("'")
for line in process_result.stdout.strip().split('\n')
}
except IndexError as e:
raise RuntimeError(
'Error parsing soong dumpvars output! See output here:'
f' {process_result.stdout}',
e,
)
def _base_zip_command(
self, src_top: pathlib.Path, dist_dir: pathlib.Path, name: str
) -> list[str]:
return [
f'{src_top / self._PREBUILT_SOONG_ZIP_PATH }',
'-d',
'-o',
f'{dist_dir / name}',
]
def _report_info_metrics_silently(self, artifact_name):
try:
metrics_agent_instance = metrics_agent.MetricsAgent.instance()
targets = self.get_build_targets_impl()
metrics_agent_instance.report_optimized_target(self.target)
metrics_agent_instance.add_target_artifact(self.target, artifact_name, 0, targets)
except Exception as e:
logging.error(f'error while silently reporting metrics: {e}')
class NullOptimizer(OptimizedBuildTarget):
"""No-op target optimizer.
This will simply build the same target it was given and do nothing for the
packaging step.
"""
def __init__(self, target):
self.target = target
def get_build_targets(self):
return {self.target}
def get_package_outputs_commands(self):
return []
class ChangeInfo:
def __init__(self, change_info_file_path):
try:
with open(change_info_file_path) as change_info_file:
change_info_contents = json.load(change_info_file)
except json.decoder.JSONDecodeError:
logging.error(f'Failed to load CHANGE_INFO: {change_info_file_path}')
raise
self._change_info_contents = change_info_contents
def get_changed_paths(self) -> set[str]:
changed_paths = set()
for change in self._change_info_contents['changes']:
project_path = change.get('projectPath') + '/'
for revision in change.get('revisions'):
for file_info in revision.get('fileInfos'):
file_path = file_info.get('path')
dir_path = os.path.dirname(file_path)
changed_paths.add(project_path + dir_path)
return changed_paths
def find_changed_files(self) -> set[str]:
changed_files = set()
for change in self._change_info_contents['changes']:
project_path = change.get('projectPath') + '/'
for revision in change.get('revisions'):
for file_info in revision.get('fileInfos'):
changed_files.add(project_path + file_info.get('path'))
return changed_files
class GeneralTestsOptimizer(OptimizedBuildTarget):
"""general-tests optimizer
This optimizer uses test discovery to build a list of modules that are needed by all tests configured for the build. These modules are then build and packaged by the optimizer in the same way as they are in a normal build.
"""
# List of modules that are built alongside general-tests as dependencies.
_REQUIRED_MODULES = frozenset([
'cts-tradefed',
'vts-tradefed',
'compatibility-host-util',
'module-info',
])
def get_build_targets_impl(self) -> set[str]:
self._general_tests_outputs = self._get_general_tests_outputs()
test_modules = self._get_test_discovery_modules()
modules_to_build = set(self._REQUIRED_MODULES)
self._build_outputs = []
for module in test_modules:
module_outputs = [output for output in self._general_tests_outputs if module in output]
if module_outputs:
modules_to_build.add(module)
self._build_outputs.extend(module_outputs)
if java_coverage_enabled():
# in theory this could be 'optimized' as well, but there is no support currently
modules_to_build.add('general-tests-jacoco')
return modules_to_build
def _get_general_tests_outputs(self) -> list[str]:
src_top = pathlib.Path(os.environ.get('TOP', os.getcwd()))
soong_vars = self._query_soong_vars(
src_top,
[
'PRODUCT_OUT',
],
)
product_out = pathlib.Path(soong_vars.get('PRODUCT_OUT'))
with open(f'{product_out / "general-tests_files"}') as general_tests_list_file:
general_tests_list = general_tests_list_file.readlines()
with open(f'{product_out / "general-tests_host_files"}') as general_tests_list_file:
self._general_tests_host_outputs = general_tests_list_file.readlines()
with open(f'{product_out / "general-tests_target_files"}') as general_tests_list_file:
self._general_tests_target_outputs = general_tests_list_file.readlines()
return general_tests_list
def _get_base_module_names(self, manifest_files: list[str], module_with_manifest_files: set[str]) -> set[str]:
if not manifest_files:
return set()
extra_files = set()
base_module_names = set()
for manifest_file in manifest_files:
with open(manifest_file, 'r') as file:
data = json.load(file)
base_module_names.add(data['base'])
for module in module_with_manifest_files:
module_path = pathlib.Path(module)
file_set = {
str(item) + '\n' for item in module_path.rglob('*') if (item.is_file() and item.name != 'test_module_config.manifest')
}
extra_files.update(file_set)
main_directory = pathlib.Path(manifest_files[0]).parent.parent
for base_module_name in base_module_names:
module_path = main_directory / base_module_name
if os.path.exists(module_path):
file_set = {
str(item) + '\n' for item in module_path.rglob('*') if item.is_file()
}
extra_files.update(file_set)
return extra_files
def _get_manifest_files(self, outputs: list[str]) -> tuple[list[str], set[str]]:
logging.info('looking for manifest files in outputs')
module_outputs_set = set()
for file in outputs:
for module in self.modules_to_build:
# Construct the pattern we are looking for (e.g., '/module_a/')
search_pattern = f'/{module}/'
if search_pattern in file:
# Find the end position of the search pattern
end_index = file.find(search_pattern) + len(search_pattern)
# Slice the file string up to that point
module_directory = file[:end_index]
# Construct the full path and add it to our set
module_outputs_set.add(module_directory)
# Optimization: once we find a match for this file,
# we can move to the next file.
break
module_with_manifest_files = set()
manifest_files = []
for output in module_outputs_set:
manifest_file = output + 'test_module_config.manifest'
if os.path.exists(manifest_file):
manifest_files.append(manifest_file)
module_with_manifest_files.add(output)
logging.info(manifest_files)
logging.info(module_with_manifest_files)
return manifest_files, module_with_manifest_files
def _get_test_discovery_modules(self) -> set[str]:
change_info = ChangeInfo(os.environ.get('CHANGE_INFO'))
change_paths = change_info.get_changed_paths()
test_modules = set()
for test_info in self.test_infos:
tf_command = self._build_tf_command(test_info, change_paths)
discovery_agent = test_discovery_agent.TestDiscoveryAgent(tradefed_args=tf_command, test_mapping_zip_path=os.environ.get('DIST_DIR')+'/test_mappings.zip')
modules, dependencies = discovery_agent.discover_test_mapping_test_modules()
for regex in modules:
test_modules.add(regex)
return test_modules
def _build_tf_command(self, test_info, change_paths) -> list[str]:
command = [test_info.command]
for extra_option in test_info.extra_options:
if not extra_option.get('key'):
continue
arg_key = '--' + extra_option.get('key')
if arg_key == '--build-id':
command.append(arg_key)
command.append(os.environ.get('BUILD_NUMBER'))
continue
if extra_option.get('values'):
for value in extra_option.get('values'):
command.append(arg_key)
command.append(value)
else:
command.append(arg_key)
if test_info.is_test_mapping:
for change_path in change_paths:
command.append('--test-mapping-path')
command.append(change_path)
return command
def _module_in_modules_to_build(self, path) -> bool:
"""True if the path has module in modules_to_build or has lib/ lib64/. """
for module in self.modules_to_build:
if f'/{module}/' in path:
return True
elif '/lib/' in path:
return True
elif '/lib64/' in path:
return True
return False
def get_package_outputs_commands_impl(self):
src_top = pathlib.Path(os.environ.get('TOP', os.getcwd()))
dist_dir = pathlib.Path(os.environ.get('DIST_DIR'))
tmp_dir = pathlib.Path(os.environ.get('TMPDIR'))
print(f'modules: {self.modules_to_build}')
logging.info('Getting host outputs')
deduplicated_host_outputs = set(self._general_tests_host_outputs)
soong_vars = self._query_soong_vars(
src_top,
[
'PRODUCT_OUT',
'SOONG_HOST_OUT',
'HOST_OUT',
'OUT_DIR',
],
)
host_outputs = list()
if java_coverage_enabled():
general_tests_jacoco_out = os.path.join(
soong_vars.get('OUT_DIR'), 'soong', 'packaging', 'general-tests_jacoco_report_classes.jar')
if os.path.exists(general_tests_jacoco_out):
shutil.copy(general_tests_jacoco_out, dist_dir)
for p in deduplicated_host_outputs:
file_path = os.path.join(str(src_top), p)
if not self._module_in_modules_to_build(file_path.strip()):
continue
if pathlib.Path(file_path.strip()).exists():
host_outputs.append(file_path)
logging.info('host_outputs size: %d', len(host_outputs))
host_manifest_files, host_module_with_manifest_files = self._get_manifest_files(host_outputs)
extra_host_files = self._get_base_module_names(host_manifest_files, host_module_with_manifest_files)
host_outputs.extend(extra_host_files)
logging.info('Getting target outputs')
deduplicated_target_outputs = set(self._general_tests_target_outputs)
intermediate_target_outputs = [p for p in deduplicated_target_outputs if pathlib.Path(str(src_top) + '/' + p.strip()).exists()]
target_outputs = [str(src_top) + '/' + file for file in intermediate_target_outputs if any('/'+module+'/' in file for module in self.modules_to_build)]
logging.info('target_outputs size: %d', len(target_outputs))
target_manifest_files, target_module_with_manifest_files = self._get_manifest_files(target_outputs)
extra_target_files = self._get_base_module_names(target_manifest_files, target_module_with_manifest_files)
target_outputs.extend(extra_target_files)
# Dedup final entries in output and remove non-existent files.
logging.info('Handling host and target outputs')
host_outputs = set(host_outputs)
host_outputs = [p for p in host_outputs if pathlib.Path(p.strip()).exists()]
target_outputs = set(target_outputs)
target_outputs = [p for p in target_outputs if pathlib.Path(p.strip()).exists()]
logging.info('host_outputs final size: %d', len(host_outputs))
logging.info('target_outputs final size: %d', len(target_outputs))
host_config_files = [file for file in host_outputs if file.endswith('.config\n')]
target_config_files = [file for file in target_outputs if file.endswith('.config\n')]
logging.info('final outputs:')
logging.info(host_outputs)
logging.info(target_outputs)
with open(f"{tmp_dir / 'host.list'}", 'w') as host_list_file:
for output in host_outputs:
host_list_file.write(output)
with open(f"{tmp_dir / 'target.list'}", 'w') as target_list_file:
for output in target_outputs:
target_list_file.write(output)
product_out = pathlib.Path(soong_vars.get('PRODUCT_OUT'))
soong_host_out = pathlib.Path(soong_vars.get('SOONG_HOST_OUT'))
host_out = pathlib.Path(soong_vars.get('HOST_OUT'))
zip_commands = []
zip_commands.extend(
self._get_zip_test_configs_zips_commands(
src_top,
dist_dir,
host_out,
product_out,
host_config_files,
target_config_files,
)
)
zip_command = self._base_zip_command(src_top, dist_dir, 'general-tests.zip')
# Add host testcases.
if host_outputs:
zip_command.extend(
self._generate_zip_options_for_items(
prefix='host',
relative_root=str(host_out),
list_files=[f"{tmp_dir / 'host.list'}"],
)
)
# Add target testcases.
if target_outputs:
zip_command.extend(
self._generate_zip_options_for_items(
prefix='target',
relative_root=str(product_out),
list_files=[f"{tmp_dir / 'target.list'}"],
)
)
# TODO(lucafarsi): Push this logic into a general-tests-minimal build command
# Add necessary tools. These are also hardcoded in general-tests.mk.
framework_path = soong_host_out / 'framework'
zip_command.extend(
self._generate_zip_options_for_items(
prefix='host/tools',
relative_root=str(framework_path),
files=[
f"{framework_path / 'cts-tradefed.jar'}",
f"{framework_path / 'compatibility-host-util.jar'}",
f"{framework_path / 'vts-tradefed.jar'}",
],
)
)
zip_command.append('-sha256')
zip_commands.append(zip_command)
logging.info(zip_commands)
return zip_commands
def _get_zip_test_configs_zips_commands(
self,
src_top: pathlib.Path,
dist_dir: pathlib.Path,
host_out: pathlib.Path,
product_out: pathlib.Path,
host_config_files: list[str],
target_config_files: list[str],
) -> tuple[list[str], list[str]]:
"""Generate general-tests_configs.zip and general-tests_list.zip.
general-tests_configs.zip contains all of the .config files that were
built and general-tests_list.zip contains a text file which lists
all of the .config files that are in general-tests_configs.zip.
general-tests_configs.zip is organized as follows:
/
host/
testcases/
test_1.config
test_2.config
...
target/
testcases/
test_1.config
test_2.config
...
So the process is we write out the paths to all the host config files into
one
file and all the paths to the target config files in another. We also write
the paths to all the config files into a third file to use for
general-tests_list.zip.
Args:
dist_dir: dist directory.
host_out: host out directory.
product_out: product out directory.
host_config_files: list of all host config files.
target_config_files: list of all target config files.
Returns:
The commands to generate general-tests_configs.zip and
general-tests_list.zip
"""
with open(
f"{host_out / 'host_general-tests_list'}", 'w'
) as host_list_file, open(
f"{product_out / 'target_general-tests_list'}", 'w'
) as target_list_file, open(
f"{host_out / 'general-tests_list'}", 'w'
) as list_file:
for config_file in host_config_files:
host_list_file.write(f'{config_file}' + '\n')
list_file.write('host/' + os.path.relpath(config_file, host_out) + '\n')
for config_file in target_config_files:
target_list_file.write(f'{config_file}' + '\n')
list_file.write(
'target/' + os.path.relpath(config_file, product_out) + '\n'
)
zip_commands = []
tests_config_zip_command = self._base_zip_command(
src_top, dist_dir, 'general-tests_configs.zip'
)
tests_config_zip_command.extend(
self._generate_zip_options_for_items(
prefix='host',
relative_root=str(host_out),
list_files=[f"{host_out / 'host_general-tests_list'}"],
)
)
tests_config_zip_command.extend(
self._generate_zip_options_for_items(
prefix='target',
relative_root=str(product_out),
list_files=[f"{product_out / 'target_general-tests_list'}"],
),
)
zip_commands.append(tests_config_zip_command)
tests_list_zip_command = self._base_zip_command(
src_top, dist_dir, 'general-tests_list.zip'
)
tests_list_zip_command.extend(
self._generate_zip_options_for_items(
relative_root=str(host_out),
files=[f"{host_out / 'general-tests_list'}"],
)
)
zip_commands.append(tests_list_zip_command)
return zip_commands
def get_enabled_flag(self):
return 'general_tests_optimized'
@classmethod
def get_optimized_targets(cls) -> dict[str, OptimizedBuildTarget]:
return {'general-tests': functools.partial(cls)}
OPTIMIZED_BUILD_TARGETS = {}
OPTIMIZED_BUILD_TARGETS.update(GeneralTestsOptimizer.get_optimized_targets())
# Equivalent to soong's JavaCoverageEnabled()
def java_coverage_enabled() -> bool:
return is_env_true('EMMA_INSTRUMENT') or is_env_true('EMMA_INSTRUMENT_STATIC') or is_env_true('EMMA_INSTRUMENT_FRAMEWORK')
# Equivalent to soong's IsEnvTrue()
def is_env_true(env: str) -> bool:
value = os.environ.get(env, '').lower()
return value == '1' or value == 'y' or value == 'yes' or value == 'on' or value == 'true'