{
  "name": "Homelab Health Monitor",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 15
            }
          ]
        }
      },
      "id": "schedule-trigger",
      "name": "Every 15 Minutes",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "health-check",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "webhook-trigger",
      "name": "Manual Trigger Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        250,
        500
      ],
      "webhookId": "homelab-health"
    },
    {
      "parameters": {
        "url": "=https://www.google.com",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-internet-dns",
      "name": "Check Google DNS",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        500,
        200
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=https://1.1.1.1",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-cloudflare",
      "name": "Check Cloudflare DNS",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        500,
        350
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=http://192.168.1.196:80",
        "options": {
          "timeout": 3000
        }
      },
      "id": "check-internal-dns-1",
      "name": "Check Pi-hole .196",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        500,
        500
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=http://192.168.1.245:80",
        "options": {
          "timeout": 3000
        }
      },
      "id": "check-internal-dns-2",
      "name": "Check Pi-hole .245",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        500,
        650
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=http://192.168.1.62:80",
        "options": {
          "timeout": 3000
        }
      },
      "id": "check-internal-dns-3",
      "name": "Check Pi-hole .62",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        500,
        800
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "command": "docker service ls --format '{{json .}}'"
      },
      "id": "docker-service-list",
      "name": "Get Docker Services",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        750,
        300
      ]
    },
    {
      "parameters": {
        "command": "docker node ls --format '{{json .}}'"
      },
      "id": "docker-node-list",
      "name": "Get Swarm Nodes",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        750,
        450
      ]
    },
    {
      "parameters": {
        "url": "=https://komodo.sj98.duckdns.org",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-komodo",
      "name": "Check Komodo",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1000,
        200
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=https://ai.sj98.duckdns.org/health",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-openwebui",
      "name": "Check OpenWebUI",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1000,
        350
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=https://paperless.sj98.duckdns.org/api",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-paperless",
      "name": "Check Paperless",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1000,
        500
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "url": "=https://prometheus.sj98.duckdns.org/-/healthy",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-prometheus",
      "name": "Check Prometheus",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1000,
        650
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "command": "curl -sf http://192.168.1.1 > /dev/null && echo '{\"node\": \"Gateway\", \"status\": \"healthy\"}' || echo '{\"node\": \"Gateway\", \"error\": \"unreachable\"}'"
      },
      "id": "check-gateway",
      "name": "Check Gateway",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        500,
        950
      ]
    },
    {
      "parameters": {
        "command": "metrics=$(curl -s --connect-timeout 2 http://192.168.1.57:9100/metrics | grep -E \"node_load1 |node_memory_MemAvailable_bytes |node_memory_MemTotal_bytes \" | tr '\\n' ',' || echo \"failed\"); echo \"{\\\"node\\\": \\\"Proxmox Host\\\", \\\"metrics\\\": \\\"$metrics\\\"}\""
      },
      "id": "check-proxmox",
      "name": "Check Proxmox",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        1000,
        950
      ]
    },
    {
      "parameters": {
        "url": "=http://lm-studio:1234/v1/models",
        "options": {
          "timeout": 5000
        }
      },
      "id": "check-lm-studio",
      "name": "Check LM Studio",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1000,
        800
      ],
      "continueOnFail": true
    },
    {
      "parameters": {
        "jsCode": "const items = $input.all();\n\nconst healthData = {\n  timestamp: new Date().toISOString(),\n  network: {\n    internet: [],\n    internal: [],\n    gateway: {}\n  },\n  docker: {\n    services: [],\n    nodes: []\n  },\n  infrastructure: {\n    proxmox: {}\n  },\n  services: []\n};\n\n// Process all health check results\nfor (const item of items) {\n  let nodeName = item.json.node || 'unknown';\n  const success = !item.json.error;\n  \n  // Handle Execute Command JSON output (Gateway/Proxmox)\n  if (item.json.stdout && item.json.stdout.trim().startsWith('{')) {\n    try {\n      const parsed = JSON.parse(item.json.stdout);\n      if (parsed.node) nodeName = parsed.node;\n      if (parsed.metrics) item.json.metrics = parsed.metrics;\n      if (parsed.status) item.json.status = parsed.status;\n    } catch (e) {}\n  }\n\n  if (nodeName.includes('DNS') || nodeName.includes('Cloudflare')) {\n    healthData.network.internet.push({\n      name: nodeName,\n      status: success ? 'healthy' : 'unhealthy',\n      error: item.json.error || null\n    });\n  } else if (nodeName.includes('Gateway')) {\n    healthData.network.gateway = {\n      status: item.json.status || 'unhealthy',\n      error: item.json.error || null\n    };\n  } else if (nodeName.includes('Pi-hole')) {\n    healthData.network.internal.push({\n      name: nodeName,\n      status: success ? 'healthy' : 'unhealthy',\n      error: item.json.error || null\n    });\n  } else if (nodeName.includes('Proxmox')) {\n    healthData.infrastructure.proxmox = {\n      status: item.json.metrics ? 'healthy' : 'unhealthy',\n      metrics: item.json.metrics || null,\n      error: item.json.error || null\n    };\n  } else if (nodeName.includes('Docker')) {\n    try {\n      const data = JSON.parse(item.json.stdout || '[]');\n      if (nodeName.includes('Services')) {\n        healthData.docker.services = data;\n      } else if (nodeName.includes('Nodes')) {\n        healthData.docker.nodes = data;\n      }\n    } catch (e) {\n      healthData.docker.error = e.message;\n    }\n  } else {\n    healthData.services.push({\n      name: nodeName,\n      status: success ? 'healthy' : 'unhealthy',\n      statusCode: item.json.statusCode,\n      error: item.json.error || null\n    });\n  }\n}\n\n// Calculate overall health score (0-100)\nlet totalChecks = 0;\nlet passedChecks = 0;\n\nhealthData.network.internet.forEach(check => {\n  totalChecks++;\n  if (check.status === 'healthy') passedChecks++;\n});\n\nif (healthData.network.gateway.status === 'healthy') {\n  totalChecks++;\n  passedChecks++;\n} else if (healthData.network.gateway.status) {\n  totalChecks++;\n}\n\nhealthData.network.internal.forEach(check => {\n  totalChecks++;\n  if (check.status === 'healthy') passedChecks++;\n});\n\nif (healthData.infrastructure.proxmox.status === 'healthy') {\n  totalChecks++;\n  passedChecks++;\n} else if (healthData.infrastructure.proxmox.status) {\n  totalChecks++;\n}\n\nhealthData.services.forEach(service => {\n  totalChecks++;\n  if (service.status === 'healthy') passedChecks++;\n});\n\nhealthData.healthScore = totalChecks > 0 ? Math.round((passedChecks / totalChecks) * 100) : 0;\nhealthData.summary = `${passedChecks}/${totalChecks} checks passed`;\n\nreturn [{ json: healthData }];"
      },
      "id": "aggregate-health",
      "name": "Aggregate Health Data",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1250,
        500
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "=http://lm-studio:1234/v1/chat/completions",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "model",
              "value": "=deepseek-r1-distill-llama-8b"
            },
            {
              "name": "messages",
              "value": "={{ [{\"role\":\"system\",\"content\":\"You are a homelab infrastructure analyst. Analyze health check data and provide concise insights about system status, potential issues, and recommendations. Respond in JSON format with fields: overall_status, critical_issues (array), warnings (array), recommendations (array).\"}, {\"role\":\"user\",\"content\":\"Analyze this homelab health data:\\n\\n\" + JSON.stringify($json, null, 2)}] }}"
            },
            {
              "name": "temperature",
              "value": "=0.3"
            },
            {
              "name": "max_tokens",
              "value": "=1000"
            }
          ]
        },
        "options": {
          "timeout": 30000
        }
      },
      "id": "ai-analysis",
      "name": "AI Health Analysis",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1500,
        500
      ]
    },
    {
      "parameters": {
        "jsCode": "const healthData = $('Aggregate Health Data').item.json;\nconst aiResponse = $json.choices[0].message.content;\n\nlet analysis;\ntry {\n  // Try to parse AI response as JSON\n  analysis = JSON.parse(aiResponse);\n} catch (e) {\n  // If not JSON, structure it\n  analysis = {\n    overall_status: aiResponse.includes('healthy') ? 'healthy' : 'needs attention',\n    raw_response: aiResponse\n  };\n}\n\nconst report = {\n  generated_at: new Date().toISOString(),\n  health_score: healthData.healthScore,\n  summary: healthData.summary,\n  network_status: {\n    internet: healthData.network.internet,\n    internal_dns: healthData.network.internal\n  },\n  docker_swarm: {\n    nodes: healthData.docker.nodes.length || 0,\n    services: healthData.docker.services.length || 0,\n    services_list: healthData.docker.services\n  },\n  service_endpoints: healthData.services,\n  ai_analysis: analysis,\n  alert_level: healthData.healthScore < 70 ? 'critical' : healthData.healthScore < 90 ? 'warning' : 'normal'\n};\n\nreturn [{ json: report }];"
      },
      "id": "build-report",
      "name": "Build Final Report",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1750,
        500
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "or",
          "conditions": [
            {
              "id": "alert-critical",
              "leftValue": "={{ $json.alert_level }}",
              "rightValue": "critical",
              "operator": {
                "type": "string",
                "operation": "equals"
              }
            },
            {
              "id": "alert-warning",
              "leftValue": "={{ $json.health_score }}",
              "rightValue": 80,
              "operator": {
                "type": "number",
                "operation": "lt"
              }
            }
          ]
        }
      },
      "id": "should-alert",
      "name": "Should Alert?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        2000,
        500
      ]
    },
    {
      "parameters": {
        "content": "🚨 **Homelab Health Alert**\\n\\n**Health Score:** {{ $json.health_score }}/100\\n**Status:** {{ $json.alert_level }}\\n**Time:** {{ $json.generated_at }}\\n\\n**Summary:** {{ $json.summary }}\\n\\n**AI Analysis:**\\n{{ $json.ai_analysis.overall_status }}\\n\\n{% if $json.ai_analysis.critical_issues %}**Critical Issues:**\\n{% for issue in $json.ai_analysis.critical_issues %}- {{ issue }}\\n{% endfor %}{% endif %}\\n\\n{% if $json.ai_analysis.recommendations %}**Recommendations:**\\n{% for rec in $json.ai_analysis.recommendations %}- {{ rec }}\\n{% endfor %}{% endif %}",
        "options": {}
      },
      "id": "format-alert",
      "name": "Format Alert Message",
      "type": "n8n-nodes-base.markdown",
      "typeVersion": 1,
      "position": [
        2250,
        400
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}"
      },
      "id": "webhook-response",
      "name": "Webhook Response",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        2250,
        600
      ]
    }
  ],
  "pinData": {},
  "connections": {
    "Every 15 Minutes": {
      "main": [
        [
          {
            "node": "Check Google DNS",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Cloudflare DNS",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .196",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .245",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .62",
            "type": "main",
            "index": 0
          },
          {
            "node": "Get Docker Services",
            "type": "main",
            "index": 0
          },
          {
            "node": "Get Swarm Nodes",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Komodo",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check OpenWebUI",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Paperless",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Prometheus",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check LM Studio",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Gateway",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Proxmox",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Manual Trigger Webhook": {
      "main": [
        [
          {
            "node": "Check Google DNS",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Cloudflare DNS",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .196",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .245",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Pi-hole .62",
            "type": "main",
            "index": 0
          },
          {
            "node": "Get Docker Services",
            "type": "main",
            "index": 0
          },
          {
            "node": "Get Swarm Nodes",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Komodo",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check OpenWebUI",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Paperless",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Prometheus",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check LM Studio",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Gateway",
            "type": "main",
            "index": 0
          },
          {
            "node": "Check Proxmox",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Google DNS": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Cloudflare DNS": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Pi-hole .196": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Pi-hole .245": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Pi-hole .62": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Docker Services": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Swarm Nodes": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Komodo": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check OpenWebUI": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Paperless": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Prometheus": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Gateway": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Proxmox": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check LM Studio": {
      "main": [
        [
          {
            "node": "Aggregate Health Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Aggregate Health Data": {
      "main": [
        [
          {
            "node": "AI Health Analysis",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Health Analysis": {
      "main": [
        [
          {
            "node": "Build Final Report",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Final Report": {
      "main": [
        [
          {
            "node": "Should Alert?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Should Alert?": {
      "main": [
        [
          {
            "node": "Format Alert Message",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Webhook Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Alert Message": {
      "main": [
        [
          {
            "node": "Webhook Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "1",
  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "homelab"
  },
  "id": "homelab-health-monitor",
  "tags": []
}