windows

alert: WindowsCPUHighUsage
annotations:
  description: |
    CPU usage on host {{ $labels.instance }} is above 90%. The current value is {{ $value | printf "%.2f" }}%.
  summary: High CPU usage on Windows host.
expr: |
  100 - (avg without (mode, core) (rate(windows_cpu_time_total{mode="idle", }[2m])) * 100) > 90
for: 15m
keep_firing_for: 5m
labels:
  severity: warning

alert: WindowsMemoryHighUtilization
annotations:
  description: |
    Memory usage on host {{ $labels.instance }} is critically high, with {{ printf "%.2f" $value }}% of total memory used.
    This exceeds the threshold of 90%.
    Current memory free: {{ with printf `windows_os_physical_memory_free_bytes{}` | query | first | value | humanize }}{{ . }}{{ end }}.
    Total memory: {{ with printf `windows_cs_physical_memory_bytes{}` | query | first | value | humanize }}{{ . }}{{ end }}.
    Consider investigating processes consuming high memory or increasing available memory.
  summary: High memory usage on Windows host.
expr: |
  100 - ((windows_os_physical_memory_free_bytes{}
  /
  windows_cs_physical_memory_bytes{}) * 100) > 90
for: 15m
keep_firing_for: 5m
labels:
  severity: critical

alert: WindowsDiskAlmostOutOfSpace
annotations:
  description: |
    Disk space on volume {{ $labels.volume }} of host {{ $labels.instance }} is critically low, with {{ printf "%.2f" $value }}% of total space used.
    This exceeds the threshold of 90%.
    Current disk free: {{ with printf `windows_logical_disk_free_bytes{volume="%s", }` $labels.volume | query | first | value | humanize }}{{ . }}{{ end }}.
    Total disk size: {{ with printf `windows_logical_disk_size_bytes{volume="%s", }` $labels.volume | query | first | value | humanize }}{{ . }}{{ end }}.
    Consider cleaning up unnecessary files or increasing disk capacity.
  summary: Disk is almost full on Windows host.
expr: |
  100 - ((windows_logical_disk_free_bytes{} ) / (windows_logical_disk_size_bytes{})) * 100  > 90
for: 15m
keep_firing_for: 5m
labels:
  severity: critical

alert: WindowsServiceNotHealthy
annotations:
  description: |
    Windows service {{ $labels.name }} is not in healthy state, currently in '{{ $labels.status }}'.
  summary: Windows service is not healthy.
expr: |
  windows_service_status{status!~"starting|stopping|ok", } > 0
for: 5m
labels:
  severity: critical

alert: WindowsDiskDriveNotHealthy
annotations:
  description: |
    Windows disk {{ $labels.name }} is not in healthy state, currently in '{{ $labels.status }}' status.
  summary: Windows physical disk is not healthy.
expr: |
  windows_disk_drive_status{status="OK", } != 1
for: 5m
labels:
  severity: critical

alert: WindowsNTPClientDelay
annotations:
  description: |
    Round-trip time of NTP client on instance {{ $labels.instance }} is greater than 1 second. Delay is {{ $value }} sec.
  summary: NTP client delay.
expr: |
  windows_time_ntp_round_trip_delay_seconds{} > 1
for: 5m
keep_firing_for: 5m
labels:
  severity: warning

alert: WindowsNTPTimeOffset
annotations:
  description: |
    NTP time offset for instance {{ $labels.instance }} is greater than 1 second. Offset is {{ $value }} sec.
  summary: NTP time offset is too large.
expr: |
  windows_time_computed_time_offset_seconds{} > 1
for: 5m
keep_firing_for: 5m
labels:
  severity: warning

alert: WindowsNodeHasRebooted
annotations:
  description: Node {{ $labels.instance }} has rebooted {{ $value | humanize }} seconds
    ago.
  summary: Node has rebooted.
expr: |
  (time() - windows_system_system_up_time{}) < 600
  and
  (time() - (windows_system_system_up_time{} offset 10m)) > 600
labels:
  severity: info