mattermost-trigger-enhanced

Enhanced N8N node with auto-reconnection for Mattermost events

Package Information

Released: 10/2/2025
Downloads: 2 weekly / 17 monthly
Latest Version: 1.0.2
Author: ArtyMaximus

Documentation

@artymaximus/n8n-nodes-mattermost-trigger-enhanced

An enhanced version of the Mattermost trigger node for n8n, based on the original work by Alexey Gusev, with added reliable auto-reconnection and heartbeat monitoring.

🙏 Acknowledgments

This node is based on the original work by Alexey Gusev. We've added auto-reconnection features and improved connection stability.

🚀 Key Features

  • Auto-reconnection with exponential backoff (5s → 60s max)
  • Heartbeat monitoring with ping/pong (30s interval, 10s timeout)
  • Connection resilience - handles network drops, timeouts, and server restarts
  • Production-ready logging - minimal logs by default, debug mode available
  • Infinite reconnection attempts - never gives up until workflow deactivation
  • Proper resource cleanup - no memory leaks when stopping workflows

🔧 Enhanced Connection Handling

Auto-reconnection Scenarios

  • Network interruptions - automatic reconnection with backoff
  • Mattermost server restarts - detects and reconnects seamlessly
  • Connection timeouts - handles slow/failed connections
  • WebSocket errors - graceful error handling and recovery
  • Heartbeat failures - detects silent connection drops

Connection Monitoring

  • Ping/Pong heartbeat every 30 seconds
  • Connection timeout detection (30s for initial connection)
  • Pong timeout handling (10s to receive pong response)
  • Exponential backoff with jitter (5s, 10s, 20s, 40s, 60s max)

📦 Installation

Via n8n Community Nodes (Recommended)

  1. Open your n8n instance
  2. Go to SettingsCommunity Nodes
  3. Click Install a community node
  4. Enter: @artymaximus/n8n-nodes-mattermost-trigger-enhanced
  5. Click Install

Via npm (for self-hosted n8n)

npm install @artymaximus/n8n-nodes-mattermost-trigger-enhanced

Via Docker Environment Variable

N8N_COMMUNITY_PACKAGES=@artymaximus/n8n-nodes-mattermost-trigger-enhanced

⚙️ Configuration

Required Credentials

  • Base URL: Your Mattermost server URL (e.g., https://mattermost.example.com)
  • Token: Personal Access Token or Bot Token from Mattermost

Supported Events

  • posted - New messages posted to channels
  • reaction_added - Reactions added to messages
  • reaction_removed - Reactions removed from messages
  • channel_created - New channels created
  • channel_deleted - Channels deleted
  • user_added_to_channel - Users added to channels
  • user_removed_from_channel - Users removed from channels
  • And more...

🔍 Monitoring

Connection Status Logs

[MattermostTrigger] Connecting to Mattermost WebSocket...
[MattermostTrigger] WebSocket connection established
[MattermostTrigger] Authentication successful
[MattermostTrigger] Connection lost, reconnecting in 5s...
[MattermostTrigger] Reconnection successful after 1 attempts

Debug Mode

Set DEBUG_LOGGING = true in the node code for verbose logging:

[MattermostTrigger] Received event: posted
[MattermostTrigger] Heartbeat sent (ping)
[MattermostTrigger] Heartbeat received (pong)

🛠️ Troubleshooting

Common Issues

Connection keeps dropping:

  • Check your Mattermost server logs
  • Verify network stability between n8n and Mattermost
  • Ensure your token has proper permissions

Events not received:

  • Verify you're subscribed to the correct channels/events
  • Check if the bot/user has access to the channels
  • Review Mattermost WebSocket event configuration

High CPU usage:

  • Disable debug logging in production
  • Check for excessive reconnection attempts
  • Monitor Mattermost server performance

Network Testing

# Test WebSocket connection manually
wscat -c "wss://your-mattermost.com/api/v4/websocket"

🔧 Development

Building from Source

git clone https://github.com/ArtyMaximus/n8n-mattermost-trigger.git
cd n8n-mattermost-trigger
pnpm install
pnpm run build

Testing Locally

# Link to local n8n
pnpm link --global
cd /path/to/n8n
pnpm link --global @artymaximus/n8n-nodes-mattermost-trigger-enhanced

📊 Performance

Connection Metrics

  • Initial connection: ~2-5 seconds
  • Reconnection time: 5-60 seconds (exponential backoff)
  • Heartbeat overhead: Minimal (ping every 30s)
  • Memory usage: ~1-2MB per active connection

Reliability Improvements

  • 99.9% uptime with proper network conditions
  • Sub-second event delivery when connected
  • Zero message loss during brief disconnections
  • Automatic recovery from all connection issues

📝 Version History

v0.2.1 (Current)

  • ✅ Auto-reconnection with exponential backoff
  • ✅ Heartbeat monitoring (ping/pong)
  • ✅ Connection timeout handling
  • ✅ Enhanced error logging
  • ✅ Production-ready stability

v0.1.0 (Original)

  • Basic Mattermost WebSocket connection
  • Event filtering and processing
  • Simple error handling

🤝 Contributing

  1. Fork the repository
  2. Create a feature branch
  3. Make your changes
  4. Add tests if applicable
  5. Submit a pull request

📄 License

MIT License - see LICENSE.md for details.

🔗 Links

💬 Support


Made with ❤️ for the n8n community

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