groups:
    - name: NodeExporterGroup
      rules:
        - alert: HostOutOfMemory
          expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
          for: 2m
          labels:
            severity: warning
          annotations:
            summary: Host out of memory (instance {{ $labels.instance }})
            description: "Node memory is filling up (< 10% left)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostUnusualNetworkThroughputIn
          expr: sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100
          for: 5m
          labels:
            severity: warning
          annotations:
            summary: Host unusual network throughput in (instance {{ $labels.instance }})
            description: "Host network interfaces are probably receiving too much data (> 100 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostUnusualNetworkThroughputOut
          expr: sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100
          for: 5m
          labels:
            severity: warning
          annotations:
            summary: Host unusual network throughput out (instance {{ $labels.instance }})
            description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostUnusualDiskReadRate
          expr: sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50
          for: 5m
          labels:
            severity: warning
          annotations:
            summary: Host unusual disk read rate (instance {{ $labels.instance }})
            description: "Disk is probably reading too much data (> 50 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostUnusualDiskWriteRate
          expr: sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50
          for: 2m
          labels:
            severity: warning
          annotations:
            summary: Host unusual disk write rate (instance {{ $labels.instance }})
            description: "Disk is probably writing too much data (> 50 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostOutOfDiskSpace
          expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
          for: 2m
          labels:
            severity: warning
          annotations:
            summary: Host out of disk space (instance {{ $labels.instance }})
            description: "Disk is almost full (< 10% left)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
        - alert: HostHighCpuLoad
          expr: sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8
          for: 0m
          labels:
            severity: warning
          annotations:
            summary: Host high CPU load (instance {{ $labels.instance }})
            description: "CPU load is > 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"