The workflow JSON
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{
"name": "System Health Monitor",
"nodes": [
{
"parameters": {
"triggerTimes": [
"00:00",
"06:00",
"12:00",
"18:00"
],
"timezone": "UTC"
},
"id": "node_schedule_trigger",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1,
"position": [
100,
100
]
},
{
"parameters": {
"method": "GET",
"url": "https://titan-os-core-3xyn.vercel.app/api/health"
},
"id": "node_check_frontend",
"name": "Check Frontend Health",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
300,
50
]
},
{
"parameters": {
"method": "GET",
"url": "https://titan-os-core-backend.onrender.com/health"
},
"id": "node_check_backend",
"name": "Check Backend Health",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
300,
150
]
},
{
"parameters": {
"method": "GET",
"url": "https://maqqjchekovcgtbzrbrv.supabase.co/rest/v1/"
},
"id": "node_check_supabase",
"name": "Check Supabase Connectivity",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
300,
250
]
},
{
"parameters": {
"functionCode": "// Classify overall health status\nconst frontend = $('node_check_frontend').first().body;\nconst backend = $('node_check_backend').first().body;\nconst supabase = $('node_check_supabase').first();\n\nlet status = 'HEALTHY';\nlet issues = [];\nlet response_times = {};\n\nif (!frontend || frontend.status !== 'OK') { \n status = 'DEGRADED';\n issues.push('Frontend unreachable');\n}\nif (!backend || backend.status !== 'OK') { \n status = 'DEGRADED';\n issues.push('Backend unreachable');\n}\nif (!supabase || supabase.statusCode !== 200) { \n status = 'CRITICAL';\n issues.push('Supabase unreachable');\n}\n\nreturn [{\n health_status: status,\n issues: issues,\n timestamp: new Date().toISOString(),\n frontend_ok: frontend && frontend.status === 'OK',\n backend_ok: backend && backend.status === 'OK',\n supabase_ok: supabase && supabase.statusCode === 200\n}];"
},
"id": "node_classify_health",
"name": "Classify Health Status",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
500,
150
]
},
{
"parameters": {
"method": "POST",
"url": "https://maqqjchekovcgtbzrbrv.supabase.co/rest/v1/deployment_monitor",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer {{ $env.SUPABASE_SERVICE_ROLE_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"requestFormat": "json",
"jsonParameters": {
"parameters": [
{
"name": "service_name",
"value": "TITAN_OS_CORE"
},
{
"name": "health_status",
"value": "{{ $input.first().health_status }}"
},
{
"name": "frontend_status",
"value": "{{ $input.first().frontend_ok ? 'OK' : 'FAILED' }}"
},
{
"name": "backend_status",
"value": "{{ $input.first().backend_ok ? 'OK' : 'FAILED' }}"
},
{
"name": "database_status",
"value": "{{ $input.first().supabase_ok ? 'OK' : 'FAILED' }}"
},
{
"name": "issues",
"value": "={{ JSON.stringify($input.first().issues) }}"
},
{
"name": "check_timestamp",
"value": "={{ new Date().toISOString() }}"
}
]
}
},
"id": "node_log_deployment",
"name": "Log to Deployment Monitor",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
700,
150
]
},
{
"parameters": {
"method": "POST",
"url": "https://maqqjchekovcgtbzrbrv.supabase.co/rest/v1/task_queue",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer {{ $env.SUPABASE_SERVICE_ROLE_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"requestFormat": "json",
"jsonParameters": {
"parameters": [
{
"name": "task_type",
"value": "SYSTEM_ALERT"
},
{
"name": "assigned_to",
"value": "OPS_TEAM"
},
{
"name": "priority",
"value": "{{ $input.first().health_status === 'CRITICAL' ? 'HIGH' : 'MEDIUM' }}"
},
{
"name": "status",
"value": "PENDING"
},
{
"name": "description",
"value": "System health check: {{ $input.first().health_status }} - Issues: {{ $input.first().issues.join(', ') }}"
}
]
}
},
"id": "node_create_alert_task",
"name": "Create Alert Task (if issues)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
900,
250
]
},
{
"parameters": {
"method": "POST",
"url": "https://maqqjchekovcgtbzrbrv.supabase.co/rest/v1/execution_logs",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer {{ $env.SUPABASE_SERVICE_ROLE_KEY }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"requestFormat": "json",
"jsonParameters": {
"parameters": [
{
"name": "workflow_name",
"value": "System Health Monitor"
},
{
"name": "workflow_run_id",
"value": "={{ $execution.id }}"
},
{
"name": "status",
"value": "COMPLETED"
},
{
"name": "action_log",
"value": "Health check executed. Status: {{ $input.first().health_status }}. Issues: {{ $input.first().issues.join('; ') || 'None' }}"
},
{
"name": "execution_timestamp",
"value": "={{ new Date().toISOString() }}"
}
]
}
},
"id": "node_audit_log",
"name": "Write Audit Log",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4,
"position": [
1100,
150
]
}
],
"connections": {
"node_schedule_trigger": {
"main": [
[
{
"node": "node_check_frontend",
"branch": 0
},
{
"node": "node_check_backend",
"branch": 0
},
{
"node": "node_check_supabase",
"branch": 0
}
]
]
},
"node_check_frontend": {
"main": [
[
{
"node": "node_classify_health",
"branch": 0
}
]
]
},
"node_check_backend": {
"main": [
[
{
"node": "node_classify_health",
"branch": 0
}
]
]
},
"node_check_supabase": {
"main": [
[
{
"node": "node_classify_health",
"branch": 0
}
]
]
},
"node_classify_health": {
"main": [
[
{
"node": "node_log_deployment",
"branch": 0
}
]
]
},
"node_log_deployment": {
"main": [
[
{
"node": "node_create_alert_task",
"branch": 0
}
]
]
},
"node_create_alert_task": {
"main": [
[
{
"node": "node_audit_log",
"branch": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
}
}
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About this workflow
System Health Monitor. Uses httpRequest. Scheduled trigger; 8 nodes.
Source: https://gist.github.com/prateekgehlot09/37341cecd133286bbbc84ec6be171b90 — original creator credit. Request a take-down →
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