Proxmox Infrastructure Monitoring

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Proxmox Infrastructure Monitoring",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "secondsInterval": 5
            }
          ]
        }
      },
      "name": "Schedule Every 5 Minutes",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://172.32.0.200:8000/proxmox/nodes",
        "options": {}
      },
      "name": "Get Proxmox Nodes",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [
        460,
        300
      ]
    },
    {
      "parameters": {
        "functionCode": "// Process nodes and get VMs for each\nconst nodes = items[0].json.nodes;\nconst results = [];\n\nfor (const node of nodes) {\n  results.push({\n    json: {\n      node_name: node.node,\n      status: node.status,\n      uptime: node.uptime,\n      memory_used: node.mem,\n      memory_total: node.maxmem,\n      cpu_usage: node.cpu\n    }\n  });\n}\n\nreturn results;"
      },
      "name": "Process Node Data",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "url": "http://172.32.0.200:8000/proxmox/node/{{$json[\"node_name\"]}}/vms",
        "options": {}
      },
      "name": "Get VMs for Node",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [
        900,
        300
      ]
    },
    {
      "parameters": {
        "functionCode": "// Check for VM issues\nconst vms = items[0].json.vms;\nconst issues = [];\n\nfor (const vm of vms) {\n  if (vm.status !== 'running' && vm.template !== 1) {\n    issues.push({\n      vmid: vm.vmid,\n      name: vm.name,\n      status: vm.status,\n      node: vm.node,\n      issue_type: 'vm_not_running'\n    });\n  }\n  \n  // Check resource usage if available\n  if (vm.cpu && vm.cpu > 0.9) {\n    issues.push({\n      vmid: vm.vmid,\n      name: vm.name,\n      status: vm.status,\n      node: vm.node,\n      issue_type: 'high_cpu_usage',\n      cpu_usage: vm.cpu\n    });\n  }\n}\n\nreturn [{\n  json: {\n    node: items[0].json.node_name,\n    issues: issues,\n    has_issues: issues.length > 0,\n    timestamp: new Date().toISOString()\n  }\n}];"
      },
      "name": "Check for Issues",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        1120,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "={{$json[\"has_issues\"]}}",
              "value2": true
            }
          ]
        }
      },
      "name": "Has Issues?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        1340,
        300
      ]
    },
    {
      "parameters": {
        "fromEmail": "monitoring@yourdomain.com",
        "toEmail": "admin@yourdomain.com",
        "subject": "Proxmox Infrastructure Alert",
        "text": "Issues detected in Proxmox infrastructure:\n\nNode: {{$json[\"node\"]}}\nTimestamp: {{$json[\"timestamp\"]}}\n\nIssues:\n{{$json[\"issues\"]}}",
        "options": {}
      },
      "name": "Send Alert Email",
      "type": "n8n-nodes-base.emailSend",
      "typeVersion": 1,
      "position": [
        1560,
        200
      ]
    }
  ],
  "connections": {
    "Schedule Every 5 Minutes": {
      "main": [
        [
          {
            "node": "Get Proxmox Nodes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Proxmox Nodes": {
      "main": [
        [
          {
            "node": "Process Node Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process Node Data": {
      "main": [
        [
          {
            "node": "Get VMs for Node",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get VMs for Node": {
      "main": [
        [
          {
            "node": "Check for Issues",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check for Issues": {
      "main": [
        [
          {
            "node": "Has Issues?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Has Issues?": {
      "main": [
        [
          {
            "node": "Send Alert Email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Proxmox Infrastructure Monitoring. Uses httpRequest, emailSend. Scheduled trigger; 7 nodes.

Source: https://github.com/adrianlizman/proxmox-mcp-server-v2/blob/Main/examples/n8n-workflows/infrastructure-monitoring.json — original creator credit. Request a take-down →

More Web Scraping workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.