Планировщик заданий

$a=New-ScheduledTaskAction -Execute "pwsh.exe" -Argument "-NoProfile -File C:\Ops\job.ps1"
$t=New-ScheduledTaskTrigger -Daily -At 03:00
Register-ScheduledTask -TaskName Demo -Action $a -Trigger $t -User SYSTEM

$result = New-ScheduledTaskAction -Execute "pwsh.exe" -Argument "-NoProfile -File .\job.ps1"
$resultType = if($null -eq $result){'<null>'}else{$result.GetType().FullName}
[pscustomobject]@{ Result=$result; Type=$resultType; Count=@($result).Count }

$result = Register-ScheduledTask -TaskName Demo -InputObject $task -Force
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$t=New-ScheduledTaskTrigger -Once -At (Get-Date).Date.AddHours(1)
$t.Repetition.Interval="PT15M"
$t.Repetition.Duration="P1D"

$result = New-ScheduledTaskTrigger -AtStartup
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$subscription = "*[System[Provider[@Name='Microsoft-Windows-WindowsUpdateClient'] and EventID=19]]"
$xml = @"
<Task xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task"><Triggers><EventTrigger><Enabled>true</Enabled><Subscription>$subscription</Subscription></EventTrigger></Triggers><Actions Context="Author"><Exec><Command>pwsh.exe</Command><Arguments>-File C:\Ops\after-update.ps1</Arguments></Exec></Actions></Task>
"@
Register-ScheduledTask -TaskName AfterUpdate -Xml $xml

$result = Register-ScheduledTask -TaskName Demo -Action $a -Trigger $t -User SYSTEM
$summary = [ordered]@{ IsNull=($null -eq $result); Count=@($result).Count }
if($null -ne $result){$summary.Type=$result.GetType().FullName};[pscustomobject]$summary

$result = Register-ScheduledTask -TaskName Demo -User "DOMAIN\svc" -Password $password
$summary = [ordered]@{ IsNull=($null -eq $result); Count=@($result).Count }
if($null -ne $result){$summary.Type=$result.GetType().FullName};[pscustomobject]$summary

$p=New-ScheduledTaskPrincipal -UserId "DOMAIN\svc" -LogonType Password -RunLevel Highest
$valueType = if($null -eq $p){'<null>'}else{$p.GetType().FullName}
[pscustomobject]@{ Value=$p; Type=$valueType; Count=@($p).Count }

$result = Get-ScheduledTaskInfo -TaskName Demo | Select-Object LastRunTime,LastTaskResult,NextRunTime
$resultType = if($null -eq $result){'<null>'}else{$result.GetType().FullName}
[pscustomobject]@{ Result=$result; Type=$resultType; Count=@($result).Count }

Get-WinEvent -ListLog Microsoft-Windows-TaskScheduler/Operational | Select-Object IsEnabled,RecordCount

try {
    Invoke-Work -ErrorAction Stop
    exit 0
}
catch {
    Write-Error $_
    exit 1
}

Export-ScheduledTask -TaskName Demo
Get-ScheduledTaskInfo -TaskName Demo

$i=Get-ScheduledTaskInfo Demo;"0x{0:X8}" -f ([uint32]$i.LastTaskResult)
$valueType = if($null -eq $i){'<null>'}else{$i.GetType().FullName}
[pscustomobject]@{ Value=$i; Type=$valueType; Count=@($i).Count }

# Сценарий для ревью: Задача не стартует второй раз.
$task = Get-ScheduledTask -TaskName 'NightlyImport' -ErrorAction Stop
$info = Get-ScheduledTaskInfo -TaskName 'NightlyImport'
[pscustomobject]@{ State=$task.State; LastRun=$info.LastRunTime; Result=$info.LastTaskResult; Instances=$task.Settings.MultipleInstances }

$result = Get-Acl C:\Ops\job.ps1 | Format-List Owner,AccessToString
$summary = [ordered]@{ IsNull=($null -eq $result); Count=@($result).Count }
if($null -ne $result){$summary.Type=$result.GetType().FullName};[pscustomobject]$summary

# Сценарий для ревью: Аргументы задачи содержат пароль.
$context = [pscustomobject]@{ User=[Environment]::UserName; Host=$Host.Name; At=[datetimeoffset]::UtcNow }
$headers = @{ Authorization = "Bearer $env:API_TOKEN" }
Write-Information (ConvertTo-Json @{ Context=$context; Headers=$headers }) -InformationAction Continue
Invoke-RestMethod -Uri $uri -Headers $headers -ErrorAction Stop

# Сценарий для ревью: Задача допускает параллельные экземпляры.
$task = Get-ScheduledTask -TaskName 'NightlyImport' -ErrorAction Stop
$info = Get-ScheduledTaskInfo -TaskName 'NightlyImport'
[pscustomobject]@{ State=$task.State; LastRun=$info.LastRunTime; Result=$info.LastTaskResult; Instances=$task.Settings.MultipleInstances }