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6a1771b b1c6efd 6a1771b b1c6efd 6a1771b b1c6efd 6a1771b b1c6efd 6a1771b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 | #!/usr/bin/env python3
"""Sidecar: copy logs to scratch and push heartbeat/checkpoints to Hugging Face.
Does not train. Safe to run in a loop next to the job. Large Orbax dirs are
tarred, then uploaded as a single file so `latest.tar` can be overwritten.
"""
import argparse
import json
import os
import socket
import subprocess
import sys
import time
import traceback
def _load_json(path):
try:
with open(path) as f:
return json.load(f)
except Exception:
return {}
def _write_json(path, payload):
tmp = path + ".tmp"
with open(tmp, "w") as f:
json.dump(payload, f, indent=2, sort_keys=True)
f.write("\n")
os.replace(tmp, path)
def _latest_ckpt_dir(workdir):
best = None
best_step = -1
try:
names = os.listdir(workdir)
except FileNotFoundError:
return None, -1
for name in names:
if not name.startswith("checkpoint_"):
continue
if name.endswith(".orbax-checkpoint-tmp") or ".orbax-checkpoint-tmp" in name:
continue
path = os.path.join(workdir, name)
if not os.path.isdir(path):
continue
try:
step = int(name.split("_", 1)[1])
except ValueError:
continue
if step > best_step:
best_step = step
best = path
return best, best_step
def _stage_ckpt_dirs(stage_dir):
out = []
if not os.path.isdir(stage_dir):
return out
for name in sorted(os.listdir(stage_dir)):
path = os.path.join(stage_dir, name)
if os.path.isdir(path) and not name.endswith(".tmp"):
out.append(path)
return out
def _tar(src_dir, dest_tar):
parent = os.path.dirname(os.path.abspath(src_dir))
base = os.path.basename(src_dir.rstrip("/"))
# Another job's /tmp cleanup can delete this directory out from under us;
# remake it every time rather than only at startup.
os.makedirs(os.path.dirname(os.path.abspath(dest_tar)), exist_ok=True)
tmp = dest_tar + ".tmp"
proc = subprocess.run(
["tar", "-C", parent, "-cf", tmp, base],
stdout=subprocess.DEVNULL,
stderr=subprocess.PIPE,
)
if proc.returncode != 0:
err = proc.stderr.decode("utf-8", "replace").strip()
raise RuntimeError(f"tar {base} failed ({proc.returncode}): {err}")
os.replace(tmp, dest_tar)
return dest_tar
def _hf_api(token):
try:
from huggingface_hub import HfApi
except Exception as exc:
print(f"[hf_sync] huggingface_hub unavailable ({exc}); "
f"will stage files for the login-node pusher", flush=True)
return None
return HfApi(token=token)
def _rsync_to_login(local, remote_dir):
"""Copy a file to gandalf so the login-node pusher can upload it."""
if not remote_dir or not os.path.isfile(local):
return False
dest = remote_dir.rstrip("/") + "/"
cmd = ["rsync", "-a", "-e",
"ssh -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new",
local, dest]
try:
subprocess.check_call(cmd, stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
print(f"[hf_sync] staged {os.path.basename(local)} -> {dest}", flush=True)
return True
except Exception as exc:
print(f"[hf_sync] rsync to login failed: {exc}", flush=True)
return False
def _upload_file(api, local, repo, dest, token):
if api is None:
print(f"[hf_sync] skip upload {dest}: huggingface_hub missing", flush=True)
return False
api.upload_file(
path_or_fileobj=local,
path_in_repo=dest,
repo_id=repo,
repo_type="model",
token=token,
commit_message=f"sync {dest}",
)
print(f"[hf_sync] uploaded {dest} ({os.path.getsize(local)} bytes)", flush=True)
return True
def sync_once(args, state):
workdir = os.path.abspath(args.workdir)
scratch_log = args.scratch_log
if args.log and os.path.isfile(args.log) and scratch_log:
os.makedirs(os.path.dirname(scratch_log), exist_ok=True)
subprocess.call(["rsync", "-a", args.log, scratch_log])
hb_src = os.path.join(workdir, "heartbeat.json")
if os.path.isfile(hb_src) and scratch_log:
hb_scratch = os.path.join(os.path.dirname(scratch_log), "w12_inst_latent_heartbeat.json")
subprocess.call(["rsync", "-a", hb_src, hb_scratch])
token = (os.environ.get("HF_TOKEN")
or os.environ.get("HUGGING_FACE_HUB_TOKEN")
or "")
if args.token_file and os.path.isfile(args.token_file):
with open(args.token_file) as f:
token = f.read().strip() or token
if not token:
print("[hf_sync] no HF token; scratch copy only", flush=True)
return state
api = _hf_api(token)
prefix = args.prefix.strip("/")
repo = args.repo
if os.path.isfile(hb_src):
mtime = os.path.getmtime(hb_src)
if mtime > float(state.get("heartbeat_mtime", 0)):
if _upload_file(api, hb_src, repo, f"{prefix}/heartbeat.json", token):
state["heartbeat_mtime"] = mtime
_rsync_to_login(hb_src, args.login_stage)
if args.log and os.path.isfile(args.log):
mtime = os.path.getmtime(args.log)
size = os.path.getsize(args.log)
last = state.get("log", {})
due = (time.time() - float(last.get("uploaded_at", 0))) >= 300
if due and (mtime > float(last.get("mtime", 0)) or size != last.get("size", -1)):
if _upload_file(api, args.log, repo, f"{prefix}/train.log", token):
state["log"] = {"mtime": mtime, "size": size,
"uploaded_at": time.time()}
ready = _load_json(os.path.join(workdir, "ckpt_ready.json"))
ckpt_dir, ckpt_step = _latest_ckpt_dir(workdir)
if ckpt_dir and ckpt_step > int(state.get("latest_step", -1)):
tar_path = os.path.join(args.tar_dir, "latest.tar")
print(f"[hf_sync] tarring {ckpt_dir} -> {tar_path}", flush=True)
_tar(ckpt_dir, tar_path)
uploaded = _upload_file(api, tar_path, repo, f"{prefix}/latest.tar", token)
staged = _rsync_to_login(tar_path, args.login_stage)
if uploaded or staged:
state["latest_step"] = ckpt_step
meta = {
"step": ckpt_step,
"event": ready.get("event", "periodic"),
"stage": ready.get("stage"),
"host": socket.gethostname(),
"job_id": os.environ.get("SLURM_JOB_ID", ""),
"src": ckpt_dir,
}
meta_path = os.path.join(args.tar_dir, "latest.json")
_write_json(meta_path, meta)
_upload_file(api, meta_path, repo, f"{prefix}/latest.json", token)
_rsync_to_login(meta_path, args.login_stage)
if uploaded:
state["latest_step"] = ckpt_step
keep = bool(ready.get("keep_snapshot")) or (ckpt_step > 0 and ckpt_step % 50000 == 0)
if keep and ckpt_step not in set(state.get("snapshots", [])):
dest = f"{prefix}/steps/step_{ckpt_step}.tar"
snap = os.path.join(args.tar_dir, f"step_{ckpt_step}.tar")
if snap != tar_path:
subprocess.call(["/bin/cp", "-f", tar_path, snap])
if _upload_file(api, tar_path, repo, dest, token):
state.setdefault("snapshots", []).append(ckpt_step)
_rsync_to_login(snap if os.path.isfile(snap) else tar_path, args.login_stage)
stage_dir = os.path.join(workdir, "stage_ckpts")
uploaded_stages = set(state.get("stages", []))
for path in _stage_ckpt_dirs(stage_dir):
name = os.path.basename(path)
if name in uploaded_stages:
continue
tar_path = os.path.join(args.tar_dir, f"{name}.tar")
print(f"[hf_sync] tarring stage {path}", flush=True)
_tar(path, tar_path)
if _upload_file(api, tar_path, repo, f"{prefix}/stages/{name}.tar", token):
uploaded_stages.add(name)
_rsync_to_login(tar_path, args.login_stage)
state["stages"] = sorted(uploaded_stages)
return state
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--workdir", required=True)
ap.add_argument("--log", default="")
ap.add_argument("--scratch-log", default="")
ap.add_argument("--repo", default="Avra98/Sudoku_superposition")
ap.add_argument("--prefix", default="runs/w12_inst_latent")
ap.add_argument("--token-file", default="")
ap.add_argument("--state", default="")
ap.add_argument("--tar-dir", default="")
ap.add_argument("--interval", type=int, default=60)
ap.add_argument("--login-stage", default="gandalf.berkeley.edu:/tmp/sudoku_hf_uploads")
ap.add_argument("--once", action="store_true")
args = ap.parse_args()
args.tar_dir = args.tar_dir or os.path.join(os.path.abspath(args.workdir), "_hf_tars")
os.makedirs(args.tar_dir, exist_ok=True)
state_path = args.state or os.path.join(args.tar_dir, "hf_sync_state.json")
state = _load_json(state_path)
print(f"[hf_sync] host={socket.gethostname()} workdir={args.workdir}",
flush=True)
while True:
try:
state = sync_once(args, state)
_write_json(state_path, state)
except Exception:
traceback.print_exc()
print("[hf_sync] cycle failed; will retry", flush=True)
if args.once:
break
time.sleep(max(5, args.interval))
return 0
if __name__ == "__main__":
sys.exit(main())
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