exchange: manual start/health + zz-hacktivism conf drop-in

scripts/taler-exchange/start_exchange.sh

@@ -0,0 +1,104 @@
+#!/bin/bash
+# Start / restart taler-exchange-httpd (manual, no systemd).
+# Run as: taler-exchange-httpd
+# Same role as start_merchant.sh for the merchant.
+#
+# Usage:
+#   start_exchange.sh
+#   start_exchange.sh --restart | -r
+#   start_exchange.sh --help
+
+set -u
+
+usage() {
+  cat <<'EOF'
+Usage: start_exchange.sh [--restart|-r] [--help|-h]
+
+  (default)   Start taler-exchange-httpd if not already running.
+  --restart   Stop live taler-exchange-httpd, then start cleanly.
+              Does not touch postgres/secmods/wire helpers
+              (those come from /root/start_base_services_for_taler_exchange.sh).
+EOF
+}
+
+DO_RESTART=0
+for arg in "$@"; do
+  case "$arg" in
+    --restart|-r) DO_RESTART=1 ;;
+    --help|-h) usage; exit 0 ;;
+    *) echo "Unknown option: $arg" >&2; usage >&2; exit 2 ;;
+  esac
+done
+
+if [ "$(id -un)" != "taler-exchange-httpd" ]; then
+  echo "This script must be run as user taler-exchange-httpd" >&2
+  exit 1
+fi
+
+CONF=/etc/taler-exchange/taler-exchange.conf
+LOG_DIR=/var/log/taler-exchange
+PORT=$(taler-exchange-config -c "$CONF" -s exchange -o PORT 2>/dev/null || echo 9011)
+
+list_httpd_pids() {
+  ps -eo pid=,stat=,args= 2>/dev/null | while read -r pid stat args; do
+    case "$stat" in Z*) continue ;; esac
+    case "$args" in
+      *start_exchange.sh*) continue ;;
+    esac
+    case "$args" in
+      *taler-exchange-httpd\ *|taler-exchange-httpd\ *|/usr/bin/taler-exchange-httpd\ *)
+        echo "$pid"
+        ;;
+    esac
+  done | sort -u
+}
+
+kill_httpd() {
+  local pids
+  pids=$(list_httpd_pids | tr '\n' ' ')
+  if [ -z "${pids// }" ]; then
+    echo "No live taler-exchange-httpd processes to stop."
+    return 0
+  fi
+  echo "Stopping PIDs: $pids"
+  # shellcheck disable=SC2086
+  kill -TERM $pids 2>/dev/null || true
+  sleep 2
+  local left
+  left=$(list_httpd_pids | tr '\n' ' ')
+  if [ -n "${left// }" ]; then
+    echo "SIGKILL remaining: $left"
+    # shellcheck disable=SC2086
+    kill -KILL $left 2>/dev/null || true
+    sleep 1
+  fi
+  echo "taler-exchange-httpd stopped."
+}
+
+if [ "$DO_RESTART" -eq 1 ]; then
+  echo "=== restart: kill taler-exchange-httpd ==="
+  kill_httpd
+fi
+
+echo "Start taler-exchange-httpd:"
+LOG_FILE="$LOG_DIR/taler-exchange-httpd-$(date +%Y-%m-%d).log"
+mkdir -p "$LOG_DIR"
+touch "$LOG_FILE" 2>/dev/null || true
+
+if [ "$DO_RESTART" -eq 0 ] && [ -n "$(list_httpd_pids)" ]; then
+  echo "taler-exchange-httpd already running"
+else
+  nohup taler-exchange-httpd -c "$CONF" -L INFO >>"$LOG_FILE" 2>&1 &
+  disown 2>/dev/null || true
+  sleep 2
+fi
+
+echo "Live processes:"
+ps -eo pid,stat,args 2>/dev/null | grep taler-exchange-httpd | grep -v grep | grep -v ' Z ' || true
+
+if [ -x /usr/local/bin/check_exchange-health.sh ]; then
+  /usr/local/bin/check_exchange-health.sh || exit 1
+elif [ -x ./check_exchange-health.sh ]; then
+  ./check_exchange-health.sh || exit 1
+fi
+exit 0