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rocksdb/buckifier/buckify_rocksdb.py

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#!/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"],
)
# ldb binary
TARGETS.add_binary(
"ldb", ["tools/ldb.cc"], [":rocksdb_tools_lib"]
)
# 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()
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