Files
stack/docs/compaction-refresh/probes/p1_anchor_exec.py
2026-07-17 19:37:56 -05:00

52 lines
1.5 KiB
Python

#!/usr/bin/env python3
"""Register this PID as anchor, then exec the real `mosaic yolo` launcher."""
from __future__ import annotations
import argparse
import json
import os
import socket
import sys
def request(socket_path: str, payload: dict[str, object]) -> dict[str, object]:
conn = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
conn.connect(socket_path)
conn.sendall((json.dumps(payload) + "\n").encode())
response = json.loads(conn.makefile("r", encoding="utf-8").readline())
conn.close()
return response
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("--socket", required=True)
parser.add_argument("runtime", choices=["pi", "claude"])
parser.add_argument("args", nargs=argparse.REMAINDER)
ns = parser.parse_args()
response = request(ns.socket, {"action": "register-anchor", "runtime": ns.runtime})
if response.get("decision") != "ACCEPT":
raise SystemExit("anchor registration refused")
os.environ["GATE0_SESSION_ID"] = str(response["session_id"])
argv = ["mosaic", "yolo", ns.runtime, *ns.args]
print(
json.dumps(
{
"event": "anchor-exec",
"pid": os.getpid(),
"argv": ["mosaic", "yolo", ns.runtime, f"<{len(ns.args)} runtime args>"],
"note": "os.execvpe retains pid and /proc starttime",
},
sort_keys=True,
),
file=sys.stderr,
flush=True,
)
os.execvpe("mosaic", argv, os.environ)
if __name__ == "__main__":
main()