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fix: prevent munge startup race on compute node boot #5423

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fix: prevent munge startup race on compute node boot #5423

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b039ccc
fix: prevent munge startup race on compute node boot
mtibben Mar 30, 2026
4542d69
fix: use dirs.munge to reference munge key path
mtibben Mar 30, 2026
6f554bf
fix: extend munge boot race fix to login nodes
mtibben Mar 30, 2026
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12 changes: 12 additions & 0 deletions ...ty/modules/scheduler/schedmd-slurm-gcp-v6-controller/modules/slurm_files/scripts/setup.py
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Expand Up @@ -554,6 +554,18 @@ def setup_compute():
install_custom_scripts()

setup_nss_slurm()

if not lkp.cfg.enable_slurm_auth:
# Prevent a race where munge.service starts at boot before munge.key is
# deployed, leaving munge in a failed state that blocks slurmd authentication.
munge_override_dir = Path("/etc/systemd/system/munge.service.d")
munge_override_dir.mkdir(parents=True, exist_ok=True)
(munge_override_dir / "require-key.conf").write_text(
"[Unit]\nConditionPathExists=/etc/munge/munge.key\n"
)
run("systemctl daemon-reload", timeout=30)
run("systemctl reset-failed munge", timeout=30, check=False)

setup_network_storage()

has_gpu = run("lspci | grep --ignore-case 'NVIDIA' | wc -l", shell=True).returncode
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