Private/_InvokeNSRestApi.ps1
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function _InvokeNSRestApi { <# .SYNOPSIS Invoke NetScaler NITRO REST API .DESCRIPTION Invoke NetScaler NITRO REST API .PARAMETER Session An existing custom NetScaler Web Request Session object returned by Connect-NetScaler .PARAMETER Method Specifies the method used for the web request .PARAMETER Type Type of the NS appliance resource .PARAMETER Resource Name of the NS appliance resource, optional .PARAMETER Action Name of the action to perform on the NS appliance resource .PARAMETER Payload Payload of the web request, in hashtable format .PARAMETER GetWarning Switch parameter, when turned on, warning message will be sent in 'message' field and 'WARNING' value is set in severity field of the response in case there is a warning. Turned off by default .PARAMETER OnErrorAction Use this parameter to set the onerror status for nitro request. Applicable only for bulk requests. Acceptable values: "EXIT", "CONTINUE", "ROLLBACK", default to "EXIT" .EXAMPLE Invoke NITRO REST API to add a DNS Server resource. $payload = @{ip="10.8.115.210"} _InvokeNSRestApi -Session $Session -Method POST -Type dnsnameserver -Payload $payload -Action add .OUTPUTS Only when the Method is GET: PSCustomObject that represents the JSON response content. This object can be manipulated using the ConvertTo-Json Cmdlet. #> [CmdletBinding()] param ( [Parameter(Mandatory)] [PSObject]$Session, [Parameter(Mandatory)] [ValidateSet('DELETE', 'GET', 'POST', 'PUT')] [string]$Method, [Parameter(Mandatory)] [string]$Type, [string]$Resource, [string]$Action, [hashtable]$Arguments = @{}, [switch]$Stat = $false, [ValidateScript({$Method -eq 'GET'})] [hashtable]$Filters = @{}, [ValidateScript({$Method -ne 'GET'})] [hashtable]$Payload = @{}, [switch]$GetWarning = $false, [ValidateSet('EXIT', 'CONTINUE', 'ROLLBACK')] [string]$OnErrorAction = 'EXIT' ) if ($Stat) { $uri = $Session.CreateUri("stat", $Type) } else { $uri = $Session.CreateUri("config", $Type) } if (-not [string]::IsNullOrEmpty($Resource)) { $uri += "/$Resource" } if ($Method -ne 'GET') { if (-not [string]::IsNullOrEmpty($Action)) { $uri += "?action=$Action" } if ($Arguments.Count -gt 0) { $queryPresent = $true if ($uri -like '*?action*') { $uri += '&args=' } else { $uri += '?args=' } $argsList = @() foreach ($arg in $Arguments.GetEnumerator()) { $argsList += "$($arg.Name):$([System.Uri]::EscapeDataString($arg.Value))" } $uri += $argsList -join ',' } } else { $queryPresent = $false if ($Arguments.Count -gt 0) { $queryPresent = $true $uri += '?args=' $argsList = @() foreach ($arg in $Arguments.GetEnumerator()) { $argsList += "$($arg.Name):$([System.Uri]::EscapeDataString($arg.Value))" } $uri += $argsList -join ',' } if ($Filters.Count -gt 0) { $uri += if ($queryPresent) { '&filter=' } else { '?filter=' } $filterList = @() foreach ($filter in $Filters.GetEnumerator()) { $filterList += "$($filter.Name):$([System.Uri]::EscapeDataString($filter.Value))" } $uri += $filterList -join ',' } #TODO: Add filter, view, and pagesize } Write-Verbose -Message "URI: $uri" $jsonPayload = $null if ($Method -ne 'GET') { $warning = if ($GetWarning) { 'YES' } else { 'NO' } $hashtablePayload = @{} $hashtablePayload.'params' = @{'warning' = $warning; 'onerror' = $OnErrorAction; <#"action"=$Action#>} $hashtablePayload.$Type = $Payload $jsonPayload = ConvertTo-Json -InputObject $hashtablePayload -Depth 100 Write-Verbose -Message "JSON Payload:`n$jsonPayload" } $response = $null $restError = $null try { $restError = @() $restParams = @{ Uri = $uri ContentType = 'application/json' Method = $Method WebSession = $Session.WebSession ErrorVariable = 'restError' Verbose = $false } if ($Method -ne 'GET') { $restParams.Add('Body', $jsonPayload) } $response = Invoke-RestMethod @restParams if ($response) { if ($response.severity -eq 'ERROR') { throw "Error. See response: `n$($response | Format-List -Property * | Out-String)" } else { Write-Verbose -Message "Response:`n$(ConvertTo-Json -InputObject $response | Out-String)" if ($Method -eq "GET") { return $response } } } } catch [Exception] { if ($Type -eq 'reboot' -and $restError[0].Message -eq 'The underlying connection was closed: The connection was closed unexpectedly.') { Write-Verbose -Message 'Connection closed due to reboot' } else { throw $_ } } } |