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我们已经配置好云端IOT HUB，同时也配置好了Stream Analytics，也配置了PowerBI.
接下来我们就将当前我们的AD的健康状态和AD服务器的健康状态分别写成两个脚本，脚本内容如下，大家可以参考下：
ADhealth的脚本如下，我们主要统计我们AD用户状态、今天删除的用户数、今天增加的用户数、管理组成员数，脚本如下，我们分个进行语义解析：
import-module ac* <--导入AD模块-->
$deviceClient = Get-IoTDeviceClient -iotHubUri iotForAD.azure-devices.net -deviceId MyFirstDevice -deviceKey ZHemu8nhZ9YneXVU+3K4XfV8+e4+Tsr2IjzudB3aCcA= <--获取当前客户端的->
function sendsystemhealth <--写入函数-->
{
while($true)<--进入无限循环，每隔5秒钟发送一次状态-->
{
$sendstr="" ; <--定义初始字符串常量-->
$currentgpoCount= (get-gpo -all |Measure).count <--统计GPO数量-->
$deletedobject=(Get-ADObject -Filter {(isdeleted -eq $true) -and (name -ne "Deleted Objects")} -includeDeletedObjects -Properties * |where {$_.whenchanged -gt (get-date).AddDays(-1)} |Measure-Object).count <--统计已经删除的用户数-->
$currentCtotalsize=$currenthd.size /1gb; <--统计C盘的总体大小-->
$currentCusedsize=($currenthd.size-$currenthd.freespace)/1gb;
<--统计C盘的空余空间--> $usercount=(get-aduser -filter * -searchbase "dc=frenqna,dc=com" |measure-object).count
<--统计用户数--> $todayusercount= Get-ADUser -Filter * -SearchBase "dc=frenqna,dc=com" -Properties * |where {$_.created -gt (get-date).adddays(-1)}|Measure-Object;
<--统计统计--> $todaygroupcount= Get-ADgroup -Filter * -SearchBase "dc=frenqna,dc=com" -Properties * |where {$_.created -gt (get-date).adddays(-1)}|measure-object; <--获取当前用户组-->
$adminusercount=get-adgroup -identity administrators|measure-object <--获取管理员组的用户数量-->
$sendstr='{"'+'MachineName":'+'"ADSrv"'+',"ADactiveUser":'+ $usercount+ ',"TodayCreateUserCount":'+ $todayusercount.Count+ ',"CurrentGPOcount":'+ $currentgpoCount+ ',"admingroupmembercount":'+ $adminusercount.count+',"totalgroupCount":'+ $currentgpoCount+ ',"CurrentGroupCount":'+ $todaygroupcount.Count+',"TodayCreategroup":'+ $todaygroupcount.count+',"DaysDeleted":'+ $deletedobject+'}' <--最终将我们的数据-->
sleep(5); <--延迟三秒，发送xia-->
Send-IoTDeviceMessage -messageString $sendstr -deviceClient $deviceClient <--发送消息到我们的IOT HUB-->
sendsystemhealth <--执行Function 功能-->
接下来我们来定义我们的发送的系统状态的值，就不一一解释了，大家可以仔细看看：
$deviceClient = Get-IoTDeviceClient -iotHubUri iotforADHealth.azure-devices.net -deviceId adserver1 -deviceKey ghw9MDIPXstUZNqK3ZpEJVj5onaCrT9T/AnMT1WdmF0=
function sendsystemhealth
{
while($true)
{
$sendstr="" ;
$currentram= Get-WmiObject -Class Win32_PerfRawData_PerfOS_Memory |select AvailableMBytes;
$currenthd=Get-WmiObject -Class Win32_LogicalDisk |where{$_.deviceid -eq "c:"}|select freespace,size;
$currentdiskqueue=Get-WmiObject -Class Win32_PerfFormattedData_PerfDisk_PhysicalDisk |select name,AvgDiskQueueLength ;
$currentCtotalsize=$currenthd.size /1gb; <#求出当前C盘大小#>
$currentCusedsize=($currenthd.size-$currenthd.freespace)/1gb; <#求出当前C盘易用空间#>
$sendstr='{"'+'MachineName":'+'"ADSrv"'+',"AvailableMBytes":'+ $currentram.AvailableMBytes+',"'+'usedsize":'+$currentCusedsize+',"TotalDiskC":'+ $currentCtotalsize+'}'
Send-IoTDeviceMessage -messageString $sendstr -deviceClient $deviceClient
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