ClusterQuorum: Fail if resource already exist

[lbergeron01]

Running xClusterQuorum with NodeAndCloudMajority type fail if Cloud Witness already exists on the Cluster Group.

Validation/Test is required in the function.

Code used :
xClusterQuorum SetQuorumToNodeAndCloudMajority { IsSingleInstance = 'Yes' Type = 'NodeAndCloudMajority' Resource = $Cluster.StorageAccountName StorageAccountAccessKey = $Cluster.StorageAccountKey }

Result :
`
2018-12-13T16:19:37.3595073Z [[xClusterQuorum]SetQuorumToNodeAndCloudMajority::[cCreateCluster]CreateCluster
2018-12-13T16:19:37.3595288Z ] at MS.Internal.ServerClusters.AzureWitnessQuorumSettings.Configure()
2018-12-13T16:19:37.3595384Z
2018-12-13T16:19:37.3595510Z at
2018-12-13T16:19:37.3595648Z Microsoft.FailoverClusters.PowerShell.SetClusterQuorumCommand.WrappedProcessRec
2018-12-13T16:19:37.3595806Z ord()
2018-12-13T16:19:37.3595879Z
2018-12-13T16:19:37.3596029Z at Microsoft.FailoverClusters.PowerShell.FCCmdlet.ProcessRecord()
2018-12-13T16:19:37.5807110Z ##[error]An error occurred while creating resource 'Cloud Witness (2)' for the
clustered role 'Cluster Group'.
+ CategoryInfo : NotSpecified: (:) [], CimException
+ FullyQualifiedErrorId : Set-ClusterQuorum,Microsoft.FailoverClusters.Pow
erShell.SetClusterQuorumCommand
+ PSComputerName : localhost

2018-12-13T16:19:37.5823966Z VERBOSE: [wswlcesbxvocd21]: LCM: [ End Set ]
2018-12-13T16:19:37.5824401Z [[xClusterQuorum]SetQuorumToNodeAndCloudMajority::[cCreateCluster]CreateCluster
2018-12-13T16:19:37.5824596Z ] in 0.4060 seconds.
2018-12-13T16:19:37.5981443Z ##[error]The PowerShell DSC resource '[xClusterQuorum]SetQuorumToNodeAndCloudMajority::[
cCreateCluster]CreateCluster' with SourceInfo 'C:\VSTSAgent_work\r1\a\Vertex-E
nv-CI\Environment\dsc\Vertex-DSCScript-ConfigureCluster-VSTS.ps1::86::9::xClust
erQuorum' threw one or more non-terminating errors while running the
Set-TargetResource functionality. These errors are logged to the ETW channel
called Microsoft-Windows-DSC/Operational. Refer to this channel for more
details.
+ CategoryInfo : InvalidOperation: (:) [], CimException
+ FullyQualifiedErrorId : NonTerminatingErrorFromProvider
+ PSComputerName : localhost
`

[stale]

This issue has been automatically marked as stale because it has not had activity from the community in the last 30 days. It will be closed if no further activity occurs within 10 days. If the issue is labelled with any of the work labels (e.g bug, enhancement, documentation, or tests) then the issue will not auto-close.

[johlju]

Labelling this as a bug.