Automated Monitoring and Alerting for Critical Data
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Proactively monitor your PostgreSQL database for critical data thresholds and receive instant alerts via SMS. This workflow ensures you're always informed when important values exceed predefined limits, preventing potential issues before they escalate.
About This Workflow
This n8n workflow provides a robust solution for real-time monitoring of your critical data stored in PostgreSQL. It's designed to automatically scan your database at regular intervals for specific conditions, such as values exceeding a threshold of 70. Upon detection, it triggers an immediate SMS notification via Twilio, informing you about the specific sensor and its reading. To prevent repeated alerts for the same event, the workflow also updates the database, marking the notification as sent. This ensures efficient data oversight and timely intervention for any anomalies.
Key Features
- Scheduled Monitoring: Automatically checks your PostgreSQL database at configurable intervals.
- Customizable Thresholds: Easily set the exact value threshold for triggering alerts.
- Instant SMS Alerts: Receive immediate notifications to your phone via Twilio for critical events.
- Data Update Automation: Marks alerts as sent in the database to avoid redundant notifications.
- Flexible Integration: Seamlessly connects with your existing PostgreSQL and Twilio accounts.
How To Use
- Schedule the Check: Configure the 'Cron' node to set the frequency of your database checks (e.g., every hour, daily).
- Query Your Data: In the 'Postgres' node, define your SQL query to select records where a specific
valueis greater than70andnotificationisfalse. - Configure SMS Alerts: In the 'Twilio' node, enter your Twilio 'to' and 'from' numbers. The message template dynamically pulls sensor ID and value from the previous node.
- Mark as Notified: The 'Set' node marks the processed record's
notificationstatus totrueusing the record'sid. - Update Database Record: The 'Postgres1' node updates the
notificationcolumn in your PostgreSQL table totruefor the triggered record, preventing repeat alerts.
Apps Used
Workflow JSON
{
"id": "42546553-9a8b-4611-a020-10a4625832ae",
"name": "Automated Monitoring and Alerting for Critical Data",
"nodes": 16,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 42546553-9a8b...
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