added update-nsappliance function

Author: Ryan Butler

NetScaler/NetScaler.psd1

@@ -211,7 +211,8 @@ FunctionsToExport = @(
     'Set-NSResponderAction',
     'Set-NSSSLProfile',
     'Set-NSTimeZone',
-    'Set-NSVPNVirtualServerTheme'
+    'Set-NSVPNVirtualServerTheme',
+    'Update-NSAppliance'
 )
 
 # Cmdlets to export from this module, for best performance, do not use wildcards and do not delete the entry, use an empty array if there are no cmdlets to export.

NetScaler/Public/Update-NSAppliance.ps1

@@ -0,0 +1,92 @@
+<#
+Copyright 2017 Ryan Butler
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+#>
+
+function Update-NSAppliance {
+    <#
+    .SYNOPSIS
+        Grabs Netscaler license expiration information via REST
+    .DESCRIPTION
+        Grabs Netscaler license expiration information via REST.
+    .PARAMETER NSSession
+        An existing custom NetScaler Web Request Session object returned by Connect-NSAppliance
+    .PARAMETER url
+        URL for Netscaler firmware (MANDATORY)
+    .PARAMETER noreboot
+        Don't reboot after upgrade
+    .PARAMETER nocallhome
+        Don't enable CallHome
+    .EXAMPLE
+        Update-NSAppliance -Session $Session -url "https://mywebserver/build-11.1-47.14_nc.tgz"
+    .NOTES
+        Author: Ryan Butler - @ryan_c_butler
+        Date Created: 09-07-2017
+        Will probably fail with VPX Express due to API timeout
+    #>
+    [CmdletBinding()]
+    param (
+    [Parameter(Mandatory=$true)] [PSObject]$Session,
+    [Parameter(Mandatory=$true)] $url,
+    [switch]$noreboot,
+    [switch]$nocallhome
+    )
+
+    begin{
+        _AssertSessionActive
+    }
+
+    process {
+
+        if(!$nocallhome)
+        {
+        write-verbose "Enabling callhome"
+        $ch = $true
+        }
+        else
+        {
+            write-verbose"Disabling callhome"
+            $ch = $false
+        }
+
+        if(!$noreboot)
+        {
+            Write-Verbose "Rebooting NS Appliance"
+            $reboot = $true
+        }
+        else
+        {
+            Write-Verbose "Skipping reboot"
+            $reboot = $false
+        }
+
+        #Build upgrade payload
+        $payload = @{
+                "url" = $url;
+                "y" = $reboot;
+                "l" = $ch;
+                }
+        
+        #Attempt upgrade
+        try{
+            _InvokeNSRestApi -Session $Session -Method POST -Type install -Payload $payload
+        }
+        Catch{
+            throw $_
+        }
+
+    
+    }
+    
+}