mongo intialization script

lxc1/p2-apps/mongo/mongo_init.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# Move to the script's directory
+cd "$(dirname "$0")"
+
+# 1. ROBUST ENV SOURCING (Same logic as MinIO/Keepalived)
+ENV_PATH="/docker/mongo/.env"
+if [ -f "$ENV_PATH" ]; then
+    while read -r line || [ -n "$line" ]; do
+        [[ "$line" =~ ^#.*$ ]] && continue
+        [[ -z "$line" ]] && continue
+        export "${line//\"/}"
+    done < "$ENV_PATH"
+else
+    echo "ERROR: .env file not found!"
+    exit 1
+fi
+
+# 2. WAIT FOR MONGO TO BE READY
+# We need the container to be up before we can run mongosh commands
+echo "⏳ Waiting for MongoDB container (${KOMODO_DB_HOSTNAME}) to be ready..."
+MAX_RETRIES=10
+COUNT=0
+until docker exec "$KOMODO_DB_HOSTNAME" mongosh --quiet --eval "db.adminCommand('ping')" &>/dev/null; do
+    ((COUNT++))
+    if [ $COUNT -ge $MAX_RETRIES ]; then
+        echo "❌ Timeout: MongoDB container is not responding."
+        exit 1
+    fi
+    sleep 2
+done
+
+# 3. CHECK-THEN-INITIATE LOGIC
+# Ask the DB if it is already part of a replica set
+IS_INIT=$(docker exec -t "$KOMODO_DB_HOSTNAME" mongosh --quiet --eval "rs.status().ok" 2>/dev/null)
+
+if [ "$IS_INIT" == "1" ]; then
+    echo "✅ MongoDB Replica Set 'rs${LXC_NUM}' is already initialized. Skipping."
+else
+    echo "⚠️ Replica Set not found. Initializing 'rs${LXC_NUM}' now..."
+    
+    # Use your defined PRI/SEC variables for the members
+    docker exec -t "$KOMODO_DB_HOSTNAME" mongosh --eval "
+    rs.initiate({
+      _id: 'rs${LXC_NUM}',
+      members: [
+        { _id: 0, host: '${KOMODO_DB_PRI}:27017' },
+        { _id: 1, host: '${KOMODO_DB_SEC}:27017' }
+      ]
+    })"
+    
+    echo "🚀 Initialization command sent! Transitioning to Primary..."
+fi