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speed up ci using nix-eval-jobs

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This commit is contained in:
Jörg Thalheim 2023-12-25 22:45:38 +01:00 committed by mergify[bot]
parent 05fc10e093
commit 65753f5d11
2 changed files with 95 additions and 78 deletions
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21
tests/build-profile.nix
View file

@ -1,7 +1,9 @@
{ profile }:
{ profile, pkgs }:
let
shim = { config, lib, pkgs, ... }: {
(pkgs.nixos [
profile
({ config, lib, ... }: {
nixpkgs.pkgs = pkgs;
boot.loader.systemd-boot.enable = !config.boot.loader.generic-extlinux-compatible.enable && !config.boot.loader.raspberryPi.enable;
# we forcefully disable grub here just for testing purposes, even though some profiles might still use grub in the end.
boot.loader.grub.enable = false;
@ -14,13 +16,6 @@ let
device = "/dev/disk/by-uuid/00000000-0000-0000-0000-000000000000";
fsType = "btrfs";
};
nixpkgs.config = {
allowBroken = true;
allowUnfree = true;
nvidia.acceptLicense = true;
};
};
in (import <nixpkgs/nixos> {
configuration.imports = [ profile shim ];
}).system
system.stateVersion = lib.version;
})
]).config.system.build.toplevel

152
tests/run.py
View file

@ -1,13 +1,16 @@
#!/usr/bin/env nix-shell
#!nix-shell --quiet -p nix -p python3 -i python
#!nix-shell --quiet -p nix-eval-jobs -p nix -p python3 -i python
import argparse
import json
import multiprocessing
import re
import subprocess
import sys
from functools import partial
import textwrap
from pathlib import Path
from tempfile import TemporaryDirectory
from typing import IO
TEST_ROOT = Path(__file__).resolve().parent
ROOT = TEST_ROOT.parent
@ -16,58 +19,18 @@ GREEN = "\033[92m"
RED = "\033[91m"
RESET = "\033[0m"
re_nixos_hardware = re.compile(r"<nixos-hardware/([^>]+)>")
def parse_readme() -> list[str]:
profiles = set()
with ROOT.joinpath("README.md").open() as f:
for line in f:
results = re.findall(r"<nixos-hardware/[^>]+>", line)
profiles.update(results)
if (m := re_nixos_hardware.search(line)) is not None:
profiles.add(m.group(1).strip())
return list(profiles)
def build_profile(
profile: str, verbose: bool
) -> tuple[str, subprocess.CompletedProcess]:
# Hard-code this for now until we have enough other architectures to care about this.
system = "x86_64-linux"
if "raspberry-pi/2" in profile:
system = "armv7l-linux"
if "raspberry-pi/4" in profile:
system = "aarch64-linux"
cmd = [
"nix",
"build",
"--extra-experimental-features",
"nix-command",
"-f",
"build-profile.nix",
"-I",
f"nixos-hardware={ROOT}",
"--show-trace",
"--system",
system,
"--arg",
"profile",
profile,
]
# uses import from derivation
if profile != "<nixos-hardware/toshiba/swanky>":
cmd += ["--dry-run"]
if verbose:
print(f"$ {' '.join(cmd)}")
res = subprocess.run(
cmd,
cwd=TEST_ROOT,
capture_output=True,
text=True,
check=False,
)
return (profile, res)
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Run hardware tests")
parser.add_argument(
@ -86,31 +49,90 @@ def parse_args() -> argparse.Namespace:
return parser.parse_args()
def write_eval_test(f: IO[str], profiles: list[str]) -> None:
build_profile = TEST_ROOT.joinpath("build-profile.nix")
f.write(
textwrap.dedent(
f"""
let
purePkgs = system: import <nixpkgs> {{
config = {{
allowBroken = true;
allowUnfree = true;
nvidia.acceptLicense = true;
}};
overlays = [];
inherit system;
}};
pkgs.x86_64-linux = purePkgs "x86_64-linux";
pkgs.aarch64-linux = purePkgs "aarch64-linux";
buildProfile = import {build_profile};
in
"""
)
)
f.write("{\n")
for profile in profiles:
# does import-from-derivation
if profile == "toshiba/swanky":
continue
# uses custom nixpkgs config
if profile == "raspberry-pi/2":
continue
system = "x86_64-linux"
if "raspberry-pi/4" == profile:
system = "aarch64-linux"
f.write(
f' "{profile}" = buildProfile {{ profile = import {ROOT}/{profile}; pkgs = pkgs.{system}; }};\n'
)
f.write("}\n")
def run_eval_test(eval_test: Path, gcroot_dir: Path, jobs: int) -> list[str]:
failed_profiles = []
cmd = [
"nix-eval-jobs",
"--gc-roots-dir",
gcroot_dir,
"--max-memory-size",
"2048",
"--workers",
str(jobs),
str(eval_test),
]
proc = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
text=True,
)
with proc as p:
assert p.stdout is not None
for line in p.stdout:
data = json.loads(line)
attr = data.get("attr")
if "error" in data:
failed_profiles.append(attr)
print(f"{RED}FAIL {attr}:{RESET}", file=sys.stderr)
print(f"{RED}{data['error']}{RESET}", file=sys.stderr)
else:
print(f"{GREEN}OK {attr}{RESET}")
return failed_profiles
def main() -> None:
args = parse_args()
profiles = parse_readme() if len(args.profiles) == 0 else args.profiles
failed_profiles = []
with TemporaryDirectory() as tmpdir:
eval_test = Path(tmpdir) / "eval-test.nix"
gcroot_dir = Path(tmpdir) / "gcroot"
with eval_test.open("w") as f:
write_eval_test(f, profiles)
failed_profiles = run_eval_test(eval_test, gcroot_dir, args.jobs)
def eval_finished(args: tuple[str, subprocess.CompletedProcess]) -> None:
profile, res = args
if res.returncode == 0:
print(f"{GREEN}OK {profile}{RESET}")
else:
print(f"{RED}FAIL {profile}:{RESET}", file=sys.stderr)
if res.stdout != "":
print(f"{RED}{res.stdout.rstrip()}{RESET}", file=sys.stderr)
print(f"{RED}{res.stderr.rstrip()}{RESET}", file=sys.stderr)
failed_profiles.append(profile)
build = partial(build_profile, verbose=args.verbose)
if len(profiles) == 0 or args.jobs == 1:
for profile in profiles:
eval_finished(build(profile))
else:
pool = multiprocessing.Pool(processes=args.jobs)
for r in pool.imap(build, profiles):
eval_finished(r)
if len(failed_profiles) > 0:
print(f"\n{RED}The following {len(failed_profiles)} test(s) failed:{RESET}")
for profile in failed_profiles: