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mongodb/bazel/coverity/generate_coverity_command.py
Daniel Moody 3a18e0a566 SERVER-94688 make bazel coverity able to access enterprise targets (#28417)
GitOrigin-RevId: 03e2bc6447159fea0fb886571804f369eda81ab3
2024-10-23 21:37:29 +00:00

107 lines
2.8 KiB
Python

import io
import os
import subprocess
import sys
# assume we are always running from project root to find buildscripts
sys.path.append(".")
from buildscripts.install_bazel import install_bazel
bazel_bin_dir = os.path.expanduser("~/.local/bin")
if not os.path.exists(bazel_bin_dir):
os.makedirs(bazel_bin_dir)
fake_out = io.StringIO()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
sys.stdout = fake_out
sys.stderr = fake_out
bazel_executable = install_bazel(bazel_bin_dir)
sys.stdout = orig_stdout
sys.stderr = orig_stderr
subprocess.run([bazel_executable, "--output_user_root=/data/bazel_cache", "clean", "--expunge"])
cmd = (
[
sys.executable,
"./buildscripts/scons.py",
]
+ sys.argv
+ [
"BAZEL_INTEGRATION_DEBUG=1",
"\\$BUILD_ROOT/scons/\\$VARIANT_DIR/sconf_temp",
]
)
# Run a lightwieght scons build to generate the bazel command.
bazel_cmd_args = None
proc = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
for line in proc.stdout.splitlines():
if "BAZEL_COMMAND:" in line:
# The script is intended to be have output placed into a bash variable, so we should
# only ever print the bazel build command
bazel_cmd_args = line.split("BAZEL_COMMAND:")[-1].strip().split()[2:-1]
break
# coverity requires a single target which has dependencies on all
# the cc_library and cc_binaries in our build. There is not a good way from
# within the build to get all those targets, so we will generate the list via query
# https://sig-product-docs.synopsys.com/bundle/coverity-docs/page/coverity-analysis/topics/building_with_bazel.html#build_with_bazel
proc = subprocess.run(
[
bazel_executable,
"aquery",
]
+ bazel_cmd_args
+ [
"--config=local",
'mnemonic("CppCompile|LinkCompile", //src/mongo/...)',
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
)
targets = set()
for line in proc.stdout.splitlines():
if line.startswith(" Target: "):
targets.add(line.split()[-1])
enterprise_coverity_dir = os.path.join("src", "mongo", "db", "modules", "enterprise", "coverity")
os.makedirs(enterprise_coverity_dir, exist_ok=True)
with open(os.path.join(enterprise_coverity_dir, "BUILD.bazel"), "w") as buildfile:
buildfile.write("""\
load("@rules_coverity//coverity:defs.bzl", "cov_gen_script")
cov_gen_script(
name="enterprise_coverity_build",
testonly=True,
tags=["coverity"],
deps=[
""")
for target in targets:
buildfile.write(
"""\
"%s",
"""
% target
)
buildfile.write("""\
],
)
""")
print(
" ".join(
[bazel_executable, "--output_user_root=/data/bazel_cache", "build"]
+ bazel_cmd_args
+ ["//src/mongo/db/modules/enterprise/coverity:enterprise_coverity_build"]
)
)