DSCResources/cChocoConfig/cChocoConfig.psm1
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# Copyright (c) 2017 Chocolatey Software, Inc. # # 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. <# .Description Returns the configuration for cChocoConfig. .Example Get-TargetResource -ConfigName cacheLocation -Ensure 'Present' -Value 'c:\temp\choco' #> function Get-TargetResource { [CmdletBinding()] [OutputType([Hashtable])] param ( [parameter(Mandatory = $true)] [string] $ConfigName, [ValidateSet('Present','Absent')] [string] $Ensure='Present', [parameter(Mandatory = $false)] [string] $Value ) Write-Verbose "Starting cChocoConfig Get-TargetResource - Config Name: $ConfigName, Ensure: $Ensure" $returnValue = @{ ConfigName = $ConfigName Ensure = $Ensure Value = $Value } $returnValue } <# .Description Performs the set for the cChocoConfig resource. .Example Set-TargetResource -ConfigName cacheLocation -Ensure 'Present' -Value 'c:\temp\choco' #> function Set-TargetResource { [CmdletBinding(SupportsShouldProcess=$true)] param ( [parameter(Mandatory = $true)] [string] $ConfigName, [ValidateSet('Present','Absent')] [string] $Ensure='Present', [parameter(Mandatory = $false)] [string] $Value ) Write-Verbose "Starting cChocoConfig Set-TargetResource - Config Name: $ConfigName, Ensure: $Ensure" if ($pscmdlet.ShouldProcess("Choco config $ConfigName will be ensured $Ensure.")) { if ($Ensure -eq 'Present') { Write-Verbose "Setting choco config $ConfigName." choco config set --name "'$ConfigName'" --value "'$Value'" } else { Write-Verbose "Unsetting choco config $ConfigName." choco config unset --name "'$ConfigName'" } } } <# .Description Performs the test for cChocoFeature. .Example Test-TargetResource -ConfigName cacheLocation -Ensure 'Present' -Value 'c:\temp\choco' #> function Test-TargetResource { [CmdletBinding()] [OutputType([Boolean])] param ( [parameter(Mandatory = $true)] [string] $ConfigName, [ValidateSet('Present','Absent')] [string] $Ensure='Present', [parameter(Mandatory = $false)] [string] $Value ) Write-Verbose "Starting cChocoConfig Test-TargetResource - Config Name: $ConfigName, Ensure: $Ensure." # validate value is given when ensure present if ($Ensure -eq 'Present' -and (-not $PSBoundParameters.ContainsKey('Value') -or [String]::IsNullOrEmpty($Value))) { throw "Missing parameter 'Value' when ensuring config is present!" } if($env:ChocolateyInstall -eq "" -or $null -eq $env:ChocolateyInstall) { $command = Get-Command -Name choco.exe -ErrorAction SilentlyContinue if(!$command) { throw "Unable to find choco.exe. Please make sure Chocolatey is installed correctly." } $chocofolder = Split-Path $command.Source if( $chocofolder.EndsWith("bin") ) { $chocofolder = Split-Path $chocofolder } } else { $chocofolder = $env:ChocolateyInstall } if(!(Get-Item -Path $chocofolder -ErrorAction SilentlyContinue)) { throw "Unable to find Chocolatey installation folder. Please make sure Chocolatey is installed and configured properly." } $configfolder = Join-Path -Path $chocofolder -ChildPath "config" $configfile = Get-ChildItem -Path $configfolder | Where-Object {$_.Name -match "chocolatey.config$"} if(!(Get-Item -Path $configfile.FullName -ErrorAction SilentlyContinue)) { throw "Unable to find Chocolatey config file. Please make sure Chocolatey is installed and configured properly." } # There is currently no choco command that only returns the settings in an CSV format. # choco config list -r shows settings, sources, features and a note about API keys. $xml = [xml](Get-Content -Path $configfile.FullName) $settings = $xml.chocolatey.config.add foreach($setting in $settings) { # If the config name matches and it should be present, check the value and # if it matches it returns true. if($setting.key -eq $ConfigName -and $Ensure -eq 'Present') { return ($setting.value -eq $Value) } # If the config name matches and it should be absent, check the value and # if it is null or empty, return true elseif($setting.key -eq $ConfigName -and $Ensure -eq 'Absent') { return ([String]::IsNullOrEmpty($setting.value)) } } # If we get this far, the configuraion item hasn't been found. # There is currently no value, so return false if it should be present. # True otherwise. return !($Ensure -eq 'Present') } Export-ModuleMember -Function *-TargetResource |