Public/Terraform/Invoke-TerraformShow.ps1
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function Invoke-TerraformShow { [CmdletBinding()] param ( # The path to the Terraform configuration (ignored if InputFile is set) [Parameter( Mandatory = $false, ValueFromPipelineByPropertyName = $true, Position = 0 )] [ValidateNotNullOrEmpty()] [string] $TerraformConfigPath = $PWD, # The Path to the Terraform binary [Parameter( Mandatory = $false, ValueFromPipelineByPropertyName = $true )] [ValidateNotNullOrEmpty()] [string] $TerraformPath = 'terraform', # An optional path to either a Terraform plan output file or Terraform state file, if none is provided the default state is used [Parameter(Mandatory = $false, Position = 1, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true )] [Alias( "OutputPath", "TerraformPlanPath", "TerraformStatePath" )] [ValidateNotNullOrEmpty()] [string] $InputFile ) $ShowArgs = @('show -json') # If we've got an InputFile, validate it and add to the show command argument list if ($InputFile) { Write-Verbose "Checking input file is valid" try { $InputFileAbsolutePath = Get-Item $InputFile | Convert-Path } catch { throw $_.Exception.Message } $ShowArgs += $InputFileAbsolutePath } # Get the output from Terraform show try { $ShowOutput = Start-SilentProcess ` -FilePath $TerraformPath ` -ArgumentList $ShowArgs ` -WorkingDirectory $TerraformConfigPath ` -PassThru | Select-Object -ExpandProperty OutputContent } catch { throw "Terraform show has failed.`n$($_.Exception.Message)" } # Convert the output from JSON try { $ConvertedOutput = $ShowOutput | ConvertFrom-Json } catch { Write-Error "Failed to convert terraform output to JSON.`n$($_.Exception.Message)" } Return $ConvertedOutput } |