initial COM2 system snapshot

COM2_FIX_POSTGRES_ADMIN_ONE_SHOT.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+C="hxki-postgres"
+
+echo "=== FIX POSTGRES ADMIN (one-shot) ==="
+docker inspect "$C" >/dev/null 2>&1 || { echo "FEHLT: $C"; exit 1; }
+
+IMG="$(docker inspect "$C" --format '{{.Config.Image}}')"
+echo "[0] Image: $IMG"
+
+# Admin-User/PW/DB aus ENV lesen (Autorität: Container selbst)
+get_env() {
+  local key="$1"
+  docker inspect "$C" --format '{{range .Config.Env}}{{println .}}{{end}}' \
+    | awk -F= -v k="$key" '$1==k{print substr($0, index($0,"=")+1)}' | head -n1
+}
+
+ADMIN_USER="$(get_env POSTGRES_USER || true)"
+ADMIN_PW="$(get_env POSTGRES_PASSWORD || true)"
+ADMIN_DB="$(get_env POSTGRES_DB || true)"
+
+# Bitnami-Fallbacks
+[ -n "${ADMIN_USER:-}" ] || ADMIN_USER="$(get_env POSTGRESQL_USERNAME || true)"
+[ -n "${ADMIN_PW:-}" ]   || ADMIN_PW="$(get_env POSTGRESQL_PASSWORD || true)"
+[ -n "${ADMIN_DB:-}" ]   || ADMIN_DB="$(get_env POSTGRESQL_DATABASE || true)"
+
+# Default-DB-Fallback
+[ -n "${ADMIN_DB:-}" ]   || ADMIN_DB="postgres"
+
+echo "[1] Detected ADMIN_USER=${ADMIN_USER:-<leer>}  ADMIN_DB=${ADMIN_DB:-<leer>}"
+[ -n "${ADMIN_USER:-}" ] || { echo "FAIL: Konnte ADMIN_USER nicht aus Container ENV lesen."; exit 1; }
+[ -n "${ADMIN_PW:-}" ]   || { echo "FAIL: Konnte ADMIN_PW nicht aus Container ENV lesen."; exit 1; }
+
+# Zielwerte für n8n (aus n8n-Container-ENV – Autorität!)
+N8N="hxki-n8n"
+docker inspect "$N8N" >/dev/null 2>&1 || { echo "FEHLT: $N8N"; exit 1; }
+
+get_env_n8n() {
+  local key="$1"
+  docker inspect "$N8N" --format '{{range .Config.Env}}{{println .}}{{end}}' \
+    | awk -F= -v k="$key" '$1==k{print substr($0, index($0,"=")+1)}' | head -n1
+}
+
+PG_USER="$(get_env_n8n DB_POSTGRESDB_USER || true)"
+PG_PW="$(get_env_n8n DB_POSTGRESDB_PASSWORD || true)"
+PG_DB="$(get_env_n8n DB_POSTGRESDB_DATABASE || true)"
+
+[ -n "${PG_USER:-}" ] || { echo "FAIL: n8n ENV fehlt DB_POSTGRESDB_USER"; exit 1; }
+[ -n "${PG_PW:-}" ]   || { echo "FAIL: n8n ENV fehlt DB_POSTGRESDB_PASSWORD"; exit 1; }
+[ -n "${PG_DB:-}" ]   || { echo "FAIL: n8n ENV fehlt DB_POSTGRESDB_DATABASE"; exit 1; }
+
+echo "[2] Target (für n8n): user=$PG_USER db=$PG_DB"
+
+echo "[3] Apply in Postgres (create/alter role + create db)"
+docker exec -i "$C" sh -lc "export PGPASSWORD='${ADMIN_PW}'; psql -v ON_ERROR_STOP=1 -U '${ADMIN_USER}' -d '${ADMIN_DB}'" <<SQL
+DO \$\$
+BEGIN
+  IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname='${PG_USER}') THEN
+    CREATE ROLE ${PG_USER} LOGIN PASSWORD '${PG_PW}';
+  ELSE
+    ALTER ROLE ${PG_USER} WITH LOGIN PASSWORD '${PG_PW}';
+  END IF;
+
+  IF NOT EXISTS (SELECT 1 FROM pg_database WHERE datname='${PG_DB}') THEN
+    CREATE DATABASE ${PG_DB} OWNER ${PG_USER};
+  END IF;
+END
+\$\$;
+GRANT ALL PRIVILEGES ON DATABASE ${PG_DB} TO ${PG_USER};
+SQL
+
+echo "[4] Quick check: kann sich n8n-user anmelden?"
+docker exec -i "$C" sh -lc "export PGPASSWORD='${PG_PW}'; psql -v ON_ERROR_STOP=1 -U '${PG_USER}' -d '${PG_DB}' -c 'select 1;' >/dev/null"
+echo "OK: Postgres Credentials passen jetzt für n8n."
+echo "=== ENDE ==="