Public/Get-NSLicenseExpiration.ps1
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<# 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 Get-NSLicenseExpiration { <# .SYNOPSIS Grabs Netscaler license expiration information via REST .DESCRIPTION Grabs Netscaler license expiration information via REST. .PARAMETER Session An existing custom NetScaler Web Request Session object returned by Connect-NSAppliance .EXAMPLE Get-NSlicenseExpiration -Session $Session .NOTES Author: Ryan Butler - @ryan_c_butler Date Created: 09-07-2017 #> [CmdletBinding()] param ( $Session = $Script:Session ) begin{ _AssertSessionActive # Grabs current time from Netscaler $currentnstime = Get-NSCurrentTime -Session $Session $results = @() } process { try { $lics = Get-NSSystemFile -Session $Session -Filelocation '/nsconfig/license' | Where-Object {$_.filename -like '*.lic'} } catch{ throw 'Error reading license(s)' } foreach ($lic in $lics) { Write-verbose "Reading [$($lic.filename)]" # Converts returned value from BASE64 to UTF8 $lic = Get-NSSystemFile -Session $Session -Filelocation '/nsconfig/license' -Filename $lic.filename $info = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($lic.filecontent)) # Grabs needed line that has licensing information $lines = $info.Split("`n") | Where-Object {$_ -like '*INCREMENT*'} # Parses needed date values from string $licdates = @() foreach ($line in $lines) { $licdate = $line.Split() if ($licdate[4] -like 'permanent') { $expire = 'PERMANENT' } else { $expire = [datetime]$licdate[4] } # Adds date to object $temp = [pscustomobject]@{ expdate = $expire feature = $licdate[1] } $licdates += $temp } foreach ($date in $licdates) { if ($date.expdate -like 'PERMANENT') { $expires = 'PERMANENT' $span = '9999' } else { $expires = ($date.expdate).ToShortDateString() $span = (New-TimeSpan -Start $currentnstime -End $date.expdate).Days } $temp = [pscustomobject]@{ Expires = $expires Feature = $date.feature DaysLeft = $span LicenseFile = $lic.filename } $results += $temp } } $results } } |