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Fenris/packaging/rpm/post.sh
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#!/bin/sh
# RPM %post — post-install/upgrade scriptlet (spec §7).
set -eu
STORE_DIR="/var/lib/fenris"
STORE_DB="${STORE_DIR}/observations.db"
STORE_BAK="${STORE_DIR}/observations.db.bak"
RUNTIME_PYTHON="/usr/bin/python3"
VENDOR_DIR="/opt/fenris/vendor"
# Detect init system
if [ -d /run/systemd/system ] || [ "$(cat /proc/1/comm 2>/dev/null)" = "systemd" ]; then
INIT_SYSTEM="systemd"
else
INIT_SYSTEM="runit"
fi
if [ "$1" -eq 1 ]; then
# Fresh install
if [ "${INIT_SYSTEM}" = "systemd" ]; then
systemd-sysusers || true
systemd-tmpfiles --create || true
systemctl daemon-reload || true
else
# runit: create group, set directory permissions
groupadd -f fenris
install -d -o root -g fenris -m 2750 "${STORE_DIR}" 2>/dev/null || true
# Mark runit service as dormant (down) for fresh install
if [ -d /etc/sv/fenris-collect ] && [ ! -e /var/service/fenris-collect ]; then
touch /etc/sv/fenris-collect/down
fi
# Ensure log directory exists
install -d -o root -g fenris -m 2770 /var/log/fenris-collect 2>/dev/null || true
fi
elif [ "$1" -ge 2 ]; then
# Upgrade — snapshot, migration, init-system-aware reload
if [ -f "${STORE_DB}" ]; then
cp "${STORE_DB}" "${STORE_BAK}" 2>/dev/null || true
fi
if [ -d "${VENDOR_DIR}" ] && [ -f "${STORE_DB}" ]; then
PYTHONPATH="${VENDOR_DIR}" "${RUNTIME_PYTHON}" -c "
from fenris.store import migrate_to_latest
from pathlib import Path
n = migrate_to_latest(Path('${STORE_DB}'))
print(f'Fenris migration: {n} step(s) applied') if n else None
" 2>&1 || echo "Fenris: migration skipped (store not yet initialized)"
fi
if [ "${INIT_SYSTEM}" = "systemd" ]; then
# Capture running unit content BEFORE daemon-reload (spec §7)
RUNNING_UNITS=""
for unit in fenris-collect.timer; do
if systemctl is-active --quiet "${unit}" 2>/dev/null; then
RUNNING_UNITS="${RUNNING_UNITS} ${unit}"
fi
done
systemctl daemon-reload 2>/dev/null || true
# Restart timer only if unit contents changed AND active
for unit in ${RUNNING_UNITS}; do
OLD_CONTENT="$(mktemp)"
NEW_PATH="/usr/lib/systemd/system/${unit}"
systemctl cat "${unit}" > "${OLD_CONTENT}" 2>/dev/null || true
if ! diff -q "${OLD_CONTENT}" "${NEW_PATH}" > /dev/null 2>&1; then
systemctl restart "${unit}" 2>/dev/null || true
fi
rm -f "${OLD_CONTENT}"
done
# Re-apply placement modes (store dir group access, issue #54)
systemd-tmpfiles --create || true
else
# runit: repair log access when upgrading from an older package
groupadd -f fenris
install -d -o root -g fenris -m 2770 /var/log/fenris-collect 2>/dev/null || true
fi
fi