Public/Test-Node.ps1
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Function Test-Node { <# .SYNOPSIS Test whether the specified node(s) exist .NOTES Node names are case-specific. #> [cmdletBinding(DefaultParameterSetName='Address')] [OutputType([bool])] param ( $F5Session=$Script:F5Session, [Parameter(Mandatory,ParameterSetName='Address',ValueFromPipelineByPropertyName)] [Parameter(Mandatory,ParameterSetName='AddressAndName',ValueFromPipelineByPropertyName)] [PoshLTM.F5Address[]]$Address=[PoshLTM.F5Address]::Any, [Alias('ComputerName')] [Alias('NodeName')] [Parameter(Mandatory,ParameterSetName='Name',ValueFromPipeline,ValueFromPipelineByPropertyName)] [Parameter(Mandatory,ParameterSetName='AddressAndName',ValueFromPipeline,ValueFromPipelineByPropertyName)] [string[]]$Name='', [Parameter(ValueFromPipelineByPropertyName)] [string]$Partition ) begin { #Test that the F5 session is in a valid format Test-F5Session($F5Session) Write-Verbose "NB: Node names are case-specific." } process { for($i=0; $i -lt $Name.Count -or $i -lt $Address.Count; $i++) { $itemname = Invoke-NullCoalescing {$Name[$i]} {''} $itemaddress = Invoke-NullCoalescing {$Address[$i]} {[PoshLTM.F5Address]::Any} $URI = $F5Session.BaseURL + 'node/{0}' -f (Get-ItemPath -Name $itemname -Partition $Partition) $JSON = Invoke-F5RestMethod -Method Get -Uri $URI -F5Session $F5Session -ErrorAction SilentlyContinue [bool]( Invoke-NullCoalescing {$JSON.items} {$JSON} | Where-Object { [PoshLTM.F5Address]::IsMatch($itemaddress, $_.address) } ) } } } |