data.json

{
  "title": "Server Performance Monitoring",  # title
  "editable": true,
  "time": {
    "from": "now-1d",
    "to": "now"
  },
  "templating": {
    "list": [
      {
        "name": "server",
        "type": "query",
        "datasource": "mysql",
        "query": "SHOW TABLES LIKE 'servers'"  # Example query to get server names
      }
    ]
  },
  "rows": [
    {
      "title": "Resource Utilization",
      "height": "25%",
      "panels": [
        {
          "title": "CPU Usage",
          "type": "graph",
          "span": 6,
          "datasource": "mysql",
          "targets": [
            {
              "target": "SELECT avg(cpu_usage) FROM servers WHERE server_name = $server GROUP BY time(1m)",  # template variable for server selection
              "refId": "A"
            }
          ],
          "options": {
            "colorMode": "series",
            "graphMode": "line",
            "reduceOptions": {
              "calcs": ["avg"]
            }
          }
        },
        {
          "title": "Memory Usage",
          "type": "gauge",
          "span": 6,
          "datasource": "mysql",
          "targets": [
            {
              "target": "SELECT avg(memory_usage) FROM servers WHERE server_name = $server GROUP BY time(1m)",
              "refId": "B"
            }
          ],
          "min": 0,
          "max": 100,
          "prefix": "%"
        }
      ]
    },
    {
      "title": "Request Traffic (Past Hour)",
      "height": "25%",
      "panels": [
        {
          "title": "HTTP Requests",
          "type": "graph",
          "span": 12,
          "datasource": "prometheus",
          "targets": [
            {
              "target": "http_requests_total{server='$server'}",  # Use template variable for server selection
              "legendFormat": "{{ server }} server"
            }
          ],
          "limit": 10,
          "options": {
            "timepicker": {
              "refresh_intervals": ["5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "6h", "12h", "1d", "7d", "30d"]
            }
          }
        }
      ]
    },
    {
      "title": "Alerts",
      "height": "25%",
      "panels": [
        {
          "title": "Resource Threshold Alerts",
          "type": "alertlist",
          "span": 12,
          "datasource": null,  # Needs configuration for your alerting system
          "


    
                                              --------------------------------



# web servers
hostgroup "Web Servers" {
  members = ["webserver1", "webserver2"]
}

# web server template
host "Web Server Template" {
  groups = ["Web Servers"]
  vars.check_interval = 60s  # Check every minute

  # Service to check HTTP status code with email notification
  service "HTTP Status" {
    check_command = http
    vars.url = "http://localhost/3006"
    http_status_codes = [200-399]  # Expect success codes (2xx, 3xx)
    notifications = [
      "webserver_admin@example.com"  # Notify via email on failure
    ]
    notification_options = {
      # Define notification escalation options (e.g., retry after X minutes)
      "timeperiod" = "24x7"  # Always send notifications
      "retry" = 3  # Retry notification 3 times
      "retry_interval" = 10m  # Retry after 10 minutes
    }
  }

  # Service to check response time and store performance data
  service "HTTP Response Time" {
    check_command = http
    vars.url = "http://localhost/3006"
    http_status_codes = [200]  # Expect only success code (200)
    perfdata_file = http_response_time.perfdata  # Store performance data
  }

  # Additional service to check for root disk space availability
  service "Root Disk Space" {
    check_command = check_disk
    vars.mount_point = "/"  # Check root disk space
    vars.warning_threshold = 10  # Warn if free space falls below 10%
    vars.critical_threshold = 5   # Critical if free space falls below 5%
  }
}

# Define specific web servers inheriting the template with URL overrides
host "webserver1" {
  inherits "Web Server Template"
  vars.url = " "
}

host "webserver2" {
  inherits "Web Server Template"
  vars.url = " "
}