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()] [OutputType([bool])] param ( $F5Session=$Script:F5Session, [Parameter(Mandatory=$true,ParameterSetName='Address',ValueFromPipelineByPropertyName=$true)] [string[]]$Address, [Alias('ComputerName')] [Alias('NodeName')] [Parameter(Mandatory=$true,ParameterSetName='Name',ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)] [string[]]$Name='', [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true)] [string]$Partition ) begin { #Test that the F5 session is in a valid format Test-F5Session($F5Session) Write-Verbose "NB: Node names are case-specific." } process { switch ($PSCmdlet.ParameterSetName) { Address { foreach ($itemaddress in $Address) { $URI = $F5Session.BaseURL + 'node/{0}' -f (Get-ItemPath -Partition $Partition) $JSON = Invoke-RestMethodOverride -Method Get -Uri $URI -WebSession $F5Session.WebSession [bool]( Invoke-NullCoalescing {$JSON.items} {$JSON} | Where-Object { $Address -eq '*' -or $Address -contains $_.address} ) } } Name { foreach ($itemname in $Name) { $URI = $F5Session.BaseURL + 'node/{0}' -f (Get-ItemPath -Name $itemname -Partition $Partition) Invoke-RestMethodOverride -Method Get -Uri $URI -WebSession $F5Session.WebSession -AsBoolean } } } } } |