106 lines
4.6 KiB
Python
106 lines
4.6 KiB
Python
"""Build on ces-control; reuse only verified images with identical build inputs."""
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import fcntl
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import hashlib
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import json
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import os
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from pathlib import Path
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import re
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import shutil
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import subprocess
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import sys
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import time
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ROOT = Path(__file__).resolve().parents[1]
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APP = "endorphin-tabularium-docs"
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INPUTS = ["Dockerfile", "Dockerfile.ci", ".dockerignore", ".npmrc", "package.json",
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"pnpm-lock.yaml", "pnpm-workspace.yaml", "apps/docs", "content", "tools/figures", "scripts"]
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def run(*args: str, capture: bool = False) -> str:
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result = subprocess.run(args, cwd=ROOT, text=True, check=True,
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stdout=subprocess.PIPE if capture else None)
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return result.stdout.strip() if capture else ""
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def fingerprint() -> str:
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files = run("git", "ls-files", "--cached", "--others", "--exclude-standard", "-z", "--", *INPUTS, capture=True)
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digest = hashlib.sha256()
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for name in sorted(set(files.split("\0"))):
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if not name:
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continue
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data = (ROOT / name).read_bytes()
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digest.update(name.encode() + b"\0" + str(len(data)).encode() + b"\0" + data)
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return digest.hexdigest()
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def smoke_image(image: str, name: str) -> None:
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from smoke import verify
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run("docker", "run", "-d", "--name", name, "-p", "127.0.0.1::3000", image)
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try:
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port = run("docker", "port", name, "3000/tcp", capture=True).rsplit(":", 1)[1]
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for _ in range(60):
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state = json.loads(run("docker", "inspect", name, capture=True))[0]["State"]
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if state.get("Health", {}).get("Status") == "healthy":
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verify(f"http://127.0.0.1:{port}")
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return
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if not state["Running"]:
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break
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time.sleep(1)
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run("docker", "logs", "--tail", "80", name)
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raise RuntimeError("Production image did not become healthy")
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finally:
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run("docker", "rm", "-f", name)
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def main() -> None:
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os.chdir(ROOT)
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run(sys.executable, "-m", "unittest", "discover", "-s", "scripts", "-p", "test_*.py")
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scope = os.environ.get("CI_CACHE_SCOPE", "main")
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if not re.fullmatch(r"main|pr-[0-9]+", scope):
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raise ValueError("Unsupported cache scope")
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with open(f"/var/lock/{APP}-{scope}-build.lock", "w") as lock:
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fcntl.flock(lock, fcntl.LOCK_EX)
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key = fingerprint()
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verified = f"{APP}:verified-{scope}-{key}"
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result = subprocess.run(["docker", "image", "inspect", verified],
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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smoke_name = f"tabularium-smoke-{scope}-{os.getpid()}"
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if result.returncode == 0:
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print(f"CACHE HIT: reuse {verified}; no dependency install or next build", flush=True)
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smoke_image(verified, smoke_name)
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else:
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print(f"CACHE MISS: {key}; dependency and Next.js caches remain persistent", flush=True)
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checks = f"{APP}-checks:{scope}"
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run("docker", "build", "-f", "Dockerfile.ci", "--target", "checks", "-t", checks, ".")
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name = f"tabularium-checks-{scope}-{os.getpid()}"
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output = ROOT / ".artifacts/runtime"
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if output.exists():
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shutil.rmtree(output)
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output.mkdir(parents=True)
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try:
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run("docker", "run", "--name", name,
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"--mount", f"type=volume,src={APP}-{scope}-pnpm,dst=/pnpm/store",
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"--mount", f"type=volume,src={APP}-{scope}-uv,dst=/root/.cache/uv",
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"--mount", f"type=volume,src={APP}-{scope}-next,dst=/workspace/apps/docs/.next/cache",
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checks)
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run("docker", "cp", f"{name}:/workspace/apps/docs/.next/standalone/.", str(output))
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app = output / "apps/docs"
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(app / ".next").mkdir(parents=True, exist_ok=True)
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run("docker", "cp", f"{name}:/workspace/apps/docs/.next/static", str(app / ".next/static"))
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run("docker", "cp", f"{name}:/workspace/apps/docs/public", str(app / "public"))
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candidate = f"{APP}:candidate-{scope}"
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run("docker", "build", "-f", str(ROOT / "Dockerfile"),
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"--label", f"io.entroia.tabularium.fingerprint={key}",
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"-t", candidate, str(output))
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smoke_image(candidate, smoke_name)
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run("docker", "tag", candidate, verified)
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finally:
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subprocess.run(["docker", "rm", "-f", name], check=False)
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(ROOT / ".artifacts").mkdir(exist_ok=True)
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(ROOT / ".artifacts/verified-image").write_text(verified + "\n")
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print(f"VERIFIED IMAGE: {verified}", flush=True)
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if __name__ == "__main__":
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main()
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