#!/usr/bin/env python3 # Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. from __future__ import absolute_import, division, print_function, unicode_literals try: from builtins import str except ImportError: from __builtin__ import str import fnmatch import json import os import sys from targets_builder import TARGETSBuilder from util import ColorString # This script generates TARGETS file for Buck. # Buck is a build tool specifying dependencies among different build targets. # User can pass extra dependencies as a JSON object via command line, and this # script can include these dependencies in the generate TARGETS file. # Usage: # $python3 buckifier/buckify_rocksdb.py # (This generates a TARGET file without user-specified dependency for unit # tests.) # $python3 buckifier/buckify_rocksdb.py \ # '{"fake": { # "extra_deps": [":test_dep", "//fakes/module:mock1"], # "extra_compiler_flags": ["-DFOO_BAR", "-Os"] # } # }' # (Generated TARGETS file has test_dep and mock1 as dependencies for RocksDB # unit tests, and will use the extra_compiler_flags to compile the unit test # source.) # tests to export as libraries for inclusion in other projects _EXPORTED_TEST_LIBS = ["env_basic_test"] # Parse src.mk files as a Dictionary of # VAR_NAME => list of files def parse_src_mk(repo_path): src_mk = repo_path + "/src.mk" src_files = {} for line in open(src_mk): line = line.strip() if len(line) == 0 or line[0] == "#": continue if "=" in line: current_src = line.split("=")[0].strip() src_files[current_src] = [] elif ".c" in line: src_path = line.split("\\")[0].strip() src_files[current_src].append(src_path) return src_files # get all .cc / .c files def get_cc_files(repo_path): cc_files = [] for root, _dirnames, filenames in os.walk( repo_path ): # noqa: B007 T25377293 Grandfathered in root = root[(len(repo_path) + 1) :] if "java" in root: # Skip java continue for filename in fnmatch.filter(filenames, "*.cc"): cc_files.append(os.path.join(root, filename)) for filename in fnmatch.filter(filenames, "*.c"): cc_files.append(os.path.join(root, filename)) return cc_files # Get non_parallel tests from Makefile def get_non_parallel_tests(repo_path): Makefile = repo_path + "/Makefile" s = set({}) found_non_parallel_tests = False for line in open(Makefile): line = line.strip() if line.startswith("NON_PARALLEL_TEST ="): found_non_parallel_tests = True elif found_non_parallel_tests: if line.endswith("\\"): # remove the trailing \ line = line[:-1] line = line.strip() s.add(line) else: # we consumed all the non_parallel tests break return s # Parse extra dependencies passed by user from command line def get_dependencies(): deps_map = {"": {"extra_deps": [], "extra_compiler_flags": []}} if len(sys.argv) < 2: return deps_map def encode_dict(data): rv = {} for k, v in data.items(): if isinstance(v, dict): v = encode_dict(v) rv[k] = v return rv extra_deps = json.loads(sys.argv[1], object_hook=encode_dict) for target_alias, deps in extra_deps.items(): deps_map[target_alias] = deps return deps_map # Prepare TARGETS file for buck def generate_targets(repo_path, deps_map): print(ColorString.info("Generating TARGETS")) # parsed src.mk file src_mk = parse_src_mk(repo_path) # get all .cc files cc_files = get_cc_files(repo_path) # get non_parallel tests from Makefile non_parallel_tests = get_non_parallel_tests(repo_path) if src_mk is None or cc_files is None or non_parallel_tests is None: return False extra_argv = "" if len(sys.argv) >= 2: # Heuristically quote and canonicalize whitespace for inclusion # in how the file was generated. extra_argv = " '{0}'".format(" ".join(sys.argv[1].split())) TARGETS = TARGETSBuilder("%s/TARGETS" % repo_path, extra_argv) # rocksdb_lib TARGETS.add_library( "rocksdb_lib", src_mk["LIB_SOURCES"] + # always add range_tree, it's only excluded on ppc64, which we don't use internally src_mk["RANGE_TREE_SOURCES"] + src_mk["TOOL_LIB_SOURCES"], deps=[ "//folly/container:f14_hash", "//folly/experimental/coro:blocking_wait", "//folly/experimental/coro:collect", "//folly/experimental/coro:coroutine", "//folly/experimental/coro:task", "//folly/synchronization:distributed_mutex", ], ) # rocksdb_whole_archive_lib TARGETS.add_library( "rocksdb_whole_archive_lib", [], deps=[ ":rocksdb_lib", ], headers=None, extra_external_deps="", link_whole=True, ) # rocksdb_test_lib TARGETS.add_library( "rocksdb_test_lib", src_mk.get("MOCK_LIB_SOURCES", []) + src_mk.get("TEST_LIB_SOURCES", []) + src_mk.get("EXP_LIB_SOURCES", []) + src_mk.get("ANALYZER_LIB_SOURCES", []), [":rocksdb_lib"], extra_test_libs=True, ) # rocksdb_tools_lib TARGETS.add_library( "rocksdb_tools_lib", src_mk.get("BENCH_LIB_SOURCES", []) + src_mk.get("ANALYZER_LIB_SOURCES", []) + ["test_util/testutil.cc"], [":rocksdb_lib"], ) # rocksdb_cache_bench_tools_lib TARGETS.add_library( "rocksdb_cache_bench_tools_lib", src_mk.get("CACHE_BENCH_LIB_SOURCES", []), [":rocksdb_lib"], ) # rocksdb_stress_lib TARGETS.add_rocksdb_library( "rocksdb_stress_lib", src_mk.get("ANALYZER_LIB_SOURCES", []) + src_mk.get("STRESS_LIB_SOURCES", []) + ["test_util/testutil.cc"], ) # db_stress binary TARGETS.add_binary( "db_stress", ["db_stress_tool/db_stress.cc"], [":rocksdb_stress_lib"] ) # cache_bench binary TARGETS.add_binary( "cache_bench", ["cache/cache_bench.cc"], [":rocksdb_cache_bench_tools_lib"] ) # bench binaries for src in src_mk.get("MICROBENCH_SOURCES", []): name = src.rsplit("/", 1)[1].split(".")[0] if "/" in src else src.split(".")[0] TARGETS.add_binary(name, [src], [], extra_bench_libs=True) print("Extra dependencies:\n{0}".format(json.dumps(deps_map))) # Dictionary test executable name -> relative source file path test_source_map = {} # c_test.c is added through TARGETS.add_c_test(). If there # are more than one .c test file, we need to extend # TARGETS.add_c_test() to include other C tests too. for test_src in src_mk.get("TEST_MAIN_SOURCES_C", []): if test_src != "db/c_test.c": print("Don't know how to deal with " + test_src) return False TARGETS.add_c_test() try: with open(f"{repo_path}/buckifier/bench.json") as json_file: fast_fancy_bench_config_list = json.load(json_file) for config_dict in fast_fancy_bench_config_list: clean_benchmarks = {} benchmarks = config_dict["benchmarks"] for binary, benchmark_dict in benchmarks.items(): clean_benchmarks[binary] = {} for benchmark, overloaded_metric_list in benchmark_dict.items(): clean_benchmarks[binary][benchmark] = [] for metric in overloaded_metric_list: if not isinstance(metric, dict): clean_benchmarks[binary][benchmark].append(metric) TARGETS.add_fancy_bench_config( config_dict["name"], clean_benchmarks, False, config_dict["expected_runtime_one_iter"], config_dict["sl_iterations"], config_dict["regression_threshold"], ) with open(f"{repo_path}/buckifier/bench-slow.json") as json_file: slow_fancy_bench_config_list = json.load(json_file) for config_dict in slow_fancy_bench_config_list: clean_benchmarks = {} benchmarks = config_dict["benchmarks"] for binary, benchmark_dict in benchmarks.items(): clean_benchmarks[binary] = {} for benchmark, overloaded_metric_list in benchmark_dict.items(): clean_benchmarks[binary][benchmark] = [] for metric in overloaded_metric_list: if not isinstance(metric, dict): clean_benchmarks[binary][benchmark].append(metric) for config_dict in slow_fancy_bench_config_list: TARGETS.add_fancy_bench_config( config_dict["name"] + "_slow", clean_benchmarks, True, config_dict["expected_runtime_one_iter"], config_dict["sl_iterations"], config_dict["regression_threshold"], ) # it is better servicelab experiments break # than rocksdb github ci except Exception: pass TARGETS.add_test_header() for test_src in src_mk.get("TEST_MAIN_SOURCES", []): test = test_src.split(".c")[0].strip().split("/")[-1].strip() test_source_map[test] = test_src print("" + test + " " + test_src) for target_alias, deps in deps_map.items(): for test, test_src in sorted(test_source_map.items()): if len(test) == 0: print(ColorString.warning("Failed to get test name for %s" % test_src)) continue test_target_name = test if not target_alias else test + "_" + target_alias if test in _EXPORTED_TEST_LIBS: test_library = "%s_lib" % test_target_name TARGETS.add_library( test_library, [test_src], deps=[":rocksdb_test_lib"], extra_test_libs=True, ) TARGETS.register_test( test_target_name, test_src, deps=json.dumps(deps["extra_deps"] + [":" + test_library]), extra_compiler_flags=json.dumps(deps["extra_compiler_flags"]), ) else: TARGETS.register_test( test_target_name, test_src, deps=json.dumps(deps["extra_deps"] + [":rocksdb_test_lib"]), extra_compiler_flags=json.dumps(deps["extra_compiler_flags"]), ) TARGETS.export_file("tools/db_crashtest.py") print(ColorString.info("Generated TARGETS Summary:")) print(ColorString.info("- %d libs" % TARGETS.total_lib)) print(ColorString.info("- %d binarys" % TARGETS.total_bin)) print(ColorString.info("- %d tests" % TARGETS.total_test)) return True def get_rocksdb_path(): # rocksdb = {script_dir}/.. script_dir = os.path.dirname(sys.argv[0]) script_dir = os.path.abspath(script_dir) rocksdb_path = os.path.abspath(os.path.join(script_dir, "../")) return rocksdb_path def exit_with_error(msg): print(ColorString.error(msg)) sys.exit(1) def main(): deps_map = get_dependencies() # Generate TARGETS file for buck ok = generate_targets(get_rocksdb_path(), deps_map) if not ok: exit_with_error("Failed to generate TARGETS files") if __name__ == "__main__": main()