bank: merchant-model start scripts + configs for taler-bank-hacktivism

scripts/taler-bank/start_base_services_for_taler_bank.sh

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+#!/bin/bash
+# Root: base services for manual libeufin-bank (like merchant/exchange start_base).
+# Then interactive shell as libeufin-bank → run start_bank.sh there.
+#
+# Container: taler-hacktivism-bank
+#
+# Usage:
+#   /root/start_base_services_for_taler_bank.sh
+#   /root/start_base_services_for_taler_bank.sh --no-shell
+#   /root/start_base_services_for_taler_bank.sh --no-shell --start-bank
+#   /root/start_base_services_for_taler_bank.sh --no-shell --start-bank --restart
+
+set -e
+CONF=/etc/libeufin/libeufin-bank.conf
+LOG_DIR=/var/log/libeufin-bank
+PWD_BIN=/usr/local/bin
+BANK_STARTER=start_bank.sh
+BANK_USER=libeufin-bank
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "Run as root" >&2
+  exit 1
+fi
+
+NO_SHELL=0
+START_BANK=0
+BANK_RESTART=0
+for arg in "$@"; do
+  case "$arg" in
+    --no-shell|-n) NO_SHELL=1 ;;
+    --start-bank) START_BANK=1; NO_SHELL=1 ;;
+    --restart|-r) BANK_RESTART=1 ;;
+    --help|-h)
+      cat <<'EOF'
+Usage: start_base_services_for_taler_bank.sh [options]
+
+  (default)     Start postgres + dirs, then interactive shell as libeufin-bank
+  --no-shell    Start base services only, do not open a shell
+  --start-bank  After base services, run /usr/local/bin/start_bank.sh as libeufin-bank
+                (implies --no-shell)
+  --restart     With --start-bank: pass --restart to start_bank.sh
+EOF
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $arg" >&2
+      exit 2
+      ;;
+  esac
+done
+
+# --- Debian postgresql defaults (pg_createcluster layout) ---
+ensure_postgresql() {
+  echo "  Debian perms on /etc/postgresql + data/log/run..."
+  if [ -d /etc/postgresql ]; then
+    chown -R root:postgres /etc/postgresql
+    find /etc/postgresql -type d -exec chmod 755 {} \;
+    find /etc/postgresql -type f -name '*.conf' -exec chmod 640 {} \;
+  fi
+  chown -R postgres:postgres /var/lib/postgresql /var/log/postgresql 2>/dev/null || true
+  mkdir -p /var/run/postgresql
+  chown postgres:postgres /var/run/postgresql
+  chmod 2775 /var/run/postgresql 2>/dev/null || chmod 775 /var/run/postgresql
+
+  # Snakeoil TLS key: postgres fails if it cannot read the key (common in rootless images).
+  # Prefer fixing perms; if still broken, force ssl=off for local-only DB.
+  if [ -f /etc/ssl/private/ssl-cert-snakeoil.key ]; then
+    chown root:ssl-cert /etc/ssl/private/ssl-cert-snakeoil.key 2>/dev/null || true
+    chmod 640 /etc/ssl/private/ssl-cert-snakeoil.key 2>/dev/null || true
+  fi
+  for pgconf in /etc/postgresql/*/main/postgresql.conf; do
+    [ -f "$pgconf" ] || continue
+    if grep -qE '^\s*ssl\s*=' "$pgconf"; then
+      sed -i 's/^\s*ssl\s*=.*/ssl = off/' "$pgconf"
+    else
+      echo "ssl = off" >>"$pgconf"
+    fi
+  done
+
+  if pg_isready -q 2>/dev/null; then
+    echo "  already accepting connections"
+    pg_isready || true
+    return 0
+  fi
+
+  rm -f /var/run/postgresql/.s.PGSQL.*.lock 2>/dev/null || true
+  if ! pgrep -u postgres -x postgres >/dev/null 2>&1; then
+    rm -f /var/lib/postgresql/*/main/postmaster.pid 2>/dev/null || true
+  fi
+
+  if command -v pg_ctlcluster >/dev/null 2>&1 && command -v pg_lsclusters >/dev/null 2>&1; then
+    while read -r ver name _rest; do
+      [ -n "$ver" ] || continue
+      echo "  pg_ctlcluster $ver $name start"
+      pg_ctlcluster "$ver" "$name" start 2>/dev/null || true
+    done < <(pg_lsclusters --no-header 2>/dev/null || true)
+  fi
+  if ! pg_isready -q 2>/dev/null; then
+    if [ -x /etc/init.d/postgresql ]; then
+      /etc/init.d/postgresql start || true
+    else
+      service postgresql start || true
+    fi
+  fi
+  sleep 1
+  pg_isready || true
+}
+
+echo "Create log + data dirs... giving permission to ${BANK_USER}:"
+mkdir -p "$LOG_DIR" /var/lib/libeufin-bank
+chown "${BANK_USER}:${BANK_USER}" "$LOG_DIR" /var/lib/libeufin-bank
+chmod 755 "$LOG_DIR" /var/lib/libeufin-bank
+
+echo "Start base services needed for GOA Exploration Bank."
+echo ""
+
+echo "1. postgresql:"
+ensure_postgresql
+# ensure role + DB (postgres:///libeufin) — Debian createuser/createdb as postgres
+su -s /bin/bash postgres -c "psql -tc \"SELECT 1 FROM pg_roles WHERE rolname='libeufin-bank'\" | grep -q 1 || createuser -s libeufin-bank" || true
+su -s /bin/bash postgres -c "psql -tc \"SELECT 1 FROM pg_database WHERE datname='libeufin'\" | grep -q 1 || createdb -O libeufin-bank libeufin" || true
+pg_isready || true
+
+if [ "$START_BANK" -eq 1 ]; then
+  echo ""
+  echo "2. start_bank.sh as ${BANK_USER}:"
+  if [ ! -x "$PWD_BIN/$BANK_STARTER" ]; then
+    echo "missing $PWD_BIN/$BANK_STARTER" >&2
+    exit 1
+  fi
+  if [ "$BANK_RESTART" -eq 1 ]; then
+    runuser -u "$BANK_USER" -- "$PWD_BIN/$BANK_STARTER" --restart
+  else
+    runuser -u "$BANK_USER" -- "$PWD_BIN/$BANK_STARTER"
+  fi
+  exit $?
+fi
+
+if [ "$NO_SHELL" -eq 1 ]; then
+  echo "Base services started (--no-shell). Next: runuser -u ${BANK_USER} -- $PWD_BIN/$BANK_STARTER [--restart]"
+  exit 0
+fi
+
+echo "2. Switching now to user ${BANK_USER}, in $PWD_BIN; find executable $BANK_STARTER there!"
+echo ""
+cd "$PWD_BIN"
+# util-linux: -u and -s are mutually exclusive (same as exchange/merchant)
+exec runuser -u "$BANK_USER" -- bash