feat: add ntp metrics script

metrics-windows-time-service.ps1

@@ -0,0 +1,24 @@
+$metricName   = 'windows_ntp_client'
+$hostname     = $env:computername
+
+#Get ntp metrics from w32tm
+$NTPStatus = w32tm /query /status /verbose
+$rootdelay = ($NTPStatus | Select-String -Pattern 'Root Delay:' -CaseSensitive -SimpleMatch)  -replace "Root Delay: ","" -replace "s",""
+$rootdesp = ($NTPStatus | Select-String -Pattern 'Root Dispersion:' -CaseSensitive -SimpleMatch) -replace "Root Dispersion: ","" -replace "s",""
+$phaseoffset = ($NTPStatus | Select-String -Pattern 'Phase Offset:' -CaseSensitive -SimpleMatch) -replace "Phase Offset: ","" -replace "s",""
+$lastgoodsync = ($NTPStatus | Select-String -Pattern 'Time since Last Good Sync Time:' -CaseSensitive -SimpleMatch) -replace "Time since Last Good Sync Time: ","" -replace "s",""
+$updinterval = $NTPStatus | Select-String -Pattern 'Poll Interval:'
+
+#Extract time update interval value
+$Regex = [Regex]::new("(?<=\().*(?=s)")
+$Match = $Regex.Match($updinterval)
+if($Match.Success)
+{
+    $updintvalue = $Match.Value
+}
+
+Write-Output "$metricName{label=`"windows_time_service.root_delay`",Hostname=`"$hostname`"} $rootdelay"
+Write-Output "$metricName{label=`"windows_time_service.root_desp`",Hostname=`"$hostname`"} $rootdesp"
+Write-Output "$metricName{label=`"windows_time_service.phase_offset`",Hostname=`"$hostname`"} $phaseoffset"
+Write-Output "$metricName{label=`"windows_time_service.last_good_sync`",Hostname=`"$hostname`"} $lastgoodsync"
+Write-Output "$metricName{label=`"windows_time_service.update_interval`",Hostname=`"$hostname`"} $updintvalue"