48 lines
2.2 KiB
Plaintext
Executable File
48 lines
2.2 KiB
Plaintext
Executable File
#!/command/with-contenv sh
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# shellcheck shell=sh
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# Container-boot reconciliation of per-profile gateway s6 services.
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#
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# Runs as root after 01-hermes-setup (the stage2 hook) has chowned
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# the volume and seeded $HERMES_HOME, but before s6-rc starts user
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# services. /etc/cont-init.d/* scripts run in lexicographic order,
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# so the `02-` prefix guarantees ordering.
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#
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# Service directories under /run/service/ live on tmpfs and are
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# wiped on every container restart. Profile directories under
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# $HERMES_HOME/profiles/ live on the persistent VOLUME. This script
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# walks the persistent profiles, recreates the s6 service slots,
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# and auto-starts only those whose last recorded state was
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# `running` — see hermes_cli/container_boot.py.
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#
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# Phase 4 also needs hermes-user writes to /run/service/ (so the
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# profile create/delete hooks can register/unregister at runtime),
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# so we chown the scandir before invoking the reconciler. We
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# additionally chown the s6-svscan control FIFO so the hermes user
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# can send rescan signals via ``s6-svscanctl -a``; without this the
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# entire runtime-registration path is inert under UID 10000 (the
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# Python wrapper catches the resulting EACCES, prints a warning,
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# and swallows the failure).
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set -e
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# Make the dynamic scandir hermes-writable. The directory itself
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# starts root-owned by s6-overlay.
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chown hermes:hermes /run/service 2>/dev/null || true
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# Make the svscan control FIFO hermes-writable so s6-svscanctl -a
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# / -an work for the hermes user. The FIFO is created by s6-svscan
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# at PID-1 startup, so by the time this cont-init.d script runs it
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# already exists. Both ``control`` and ``lock`` need to be writable
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# for the various svscanctl operations; the directory itself stays
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# root-owned (we only need to touch the two FIFOs/locks inside).
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if [ -d /run/service/.s6-svscan ]; then
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for entry in control lock; do
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if [ -e "/run/service/.s6-svscan/$entry" ]; then
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chown hermes:hermes "/run/service/.s6-svscan/$entry" 2>/dev/null || true
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fi
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done
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fi
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# Skip the drop when already non-root.
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[ "$(id -u)" = 0 ] || exec /opt/hermes/.venv/bin/python -m hermes_cli.container_boot
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exec s6-setuidgid hermes /opt/hermes/.venv/bin/python -m hermes_cli.container_boot
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