DSCClassResources/WaitForQlikResource.psm1
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[DscResource()] class WaitForQlikResource { [DscProperty(Key)] [string] $Name [DscProperty(Mandatory)] [ValidateNotNullOrEmpty()] [string] $ResourceType [DscProperty()] [string] $Condition [DscProperty()] [int] $Retries = 40 [DscProperty()] [int] $RetryDelay = 15 [DscProperty()] [int] $Count = 0 # Gets the resource's current state. [WaitForQlikResource] Get() { $this.Count = (Invoke-QlikGet /qrs/$($this.ResourceType)/count -filter $this.Condition).Value return $this } # Sets the desired state of the resource. [void] Set() { $counter = 0 while (($result = (Invoke-QlikGet "/qrs/$($this.ResourceType)/count" -filter $this.Condition).Value) -ne $this.Count) { $counter ++ Write-Verbose "After $counter attempts there are $result resources matching condition" if ($counter -gt $this.Retries) { throw "$result resources not in desired state" } Start-Sleep -Seconds $this.RetryDelay } Write-Verbose "All $result resources are now matching condition" } # Tests if the resource is in the desired state. [bool] Test() { $result = (Invoke-QlikGet /qrs/$($this.ResourceType)/count -filter $this.Condition).Value return $result -eq $this.Count } } |