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fix: heal missing RULES_DIR in postinst on upgrade

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Discovered live: upgrading the test server to v0.2.0 crash-looped with
"rules: read dir: open .: no such file or directory". Its
/etc/deklarix/deklarix.env predates RULES_DIR entirely (created on
first install, before that variable existed) — postinst never
overwrites an existing env file, by design, so the variable was simply
missing rather than set. main.go's relative default "rules" then
resolved against WorkingDirectory=/var/lib/deklarix instead of the
actual install path (/usr/share/deklarix/rules).

postinst now appends RULES_DIR with its packaged default whenever it's
absent, on both fresh installs and upgrades — never overwriting an
existing value. Same healing pattern enconf uses for DB_SSLMODE.
Verified: reinstalling over the broken config fixed it and the service
came back up.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
noroot
2026-08-27 17:24:41 +02:00
parent 34b1d8d2a6
commit 374f4ade31
1 changed files with 14 additions and 0 deletions
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14
packaging/DEBIAN/postinst
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@@ -42,6 +42,20 @@ case "$1" in
chown "root:$SERVICE_USER" "$CONFIG_DIR/deklarix.env" chown "root:$SERVICE_USER" "$CONFIG_DIR/deklarix.env"
fi fi
# ─── Healing: fehlende Variablen aus älteren Installationen ───
# deklarix.env wird bei Upgrades nie überschrieben (Secrets/
# Anpassungen bleiben erhalten) — Variablen, die erst nach einer
# Erstinstallation dazugekommen sind, fehlen dort sonst schlicht
# und lassen den Dienst mit einem für den Admin überraschenden
# Fehler abbrechen (z. B. RULES_DIR fehlt -> main.go sucht Regeln
# im falschen Verzeichnis, obwohl DATABASE_URL längst gesetzt
# war). Bekannte Variablen mit unkritischem Default werden hier
# ergänzt, falls sie fehlen — nie überschrieben, nur angehängt.
if [ -f "$CONFIG_DIR/deklarix.env" ]; then
grep -q '^RULES_DIR=' "$CONFIG_DIR/deklarix.env" || \
echo "RULES_DIR=/usr/share/deklarix/rules" >> "$CONFIG_DIR/deklarix.env"
fi
systemctl daemon-reload 2>/dev/null || true systemctl daemon-reload 2>/dev/null || true
systemctl enable deklarix.service >/dev/null 2>&1 || true systemctl enable deklarix.service >/dev/null 2>&1 || true