Private/Deploy-Accelerator-Helpers/Invoke-Terraform.ps1
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function Invoke-Terraform { [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter(Mandatory = $false)] [string] $moduleFolderPath, [Parameter(Mandatory = $false)] [string] $tfvarsFileName = "", [Parameter(Mandatory = $false)] [switch] $autoApprove, [Parameter(Mandatory = $false)] [switch] $destroy, [Parameter(Mandatory = $false)] [string] $output = "", [Parameter(Mandatory = $false)] [string] $outputFilePath = "", [Parameter(Mandatory = $false)] [switch] $silent ) if ($PSCmdlet.ShouldProcess("Apply Terraform", "modify")) { terraform -chdir="$moduleFolderPath" init $action = "apply" if($destroy) { $action = "destroy" } if(!$silent) { Write-InformationColored "Terraform init has completed, now running the $action..." -ForegroundColor Green -NewLineBefore -InformationAction Continue } $planFileName = "tfplan" # Start timer $StopWatch = New-Object -TypeName System.Diagnostics.Stopwatch $StopWatch.Start() $command = "terraform" $arguments = @() $arguments += "-chdir=$moduleFolderPath" $arguments += "plan" $arguments += "-out=$planFileName" $arguments += "-input=false" if($tfvarsFileName -ne "") { $arguments += "-var-file=$tfvarsFileName" } if ($destroy) { $arguments += "-destroy" } if(!$silent) { Write-InformationColored "Running Plan Command for $action : $command $arguments" -ForegroundColor Green -NewLineBefore -InformationAction Continue & $command $arguments } else { & $command $arguments | Write-Verbose } $exitCode = $LASTEXITCODE # Stop and display timer $StopWatch.Stop() if(!$silent) { Write-InformationColored "Time taken to complete Terraform plan:" -ForegroundColor Green -NewLineBefore -InformationAction Continue } $StopWatch.Elapsed | Format-Table if($exitCode -ne 0) { Write-InformationColored "Terraform plan for $action failed with exit code $exitCode. Please review the error and try again or raise an issue." -ForegroundColor Red -NewLineBefore -InformationAction Continue throw "Terraform plan failed with exit code $exitCode. Please review the error and try again or raise an issue." } if(!$autoApprove) { Write-InformationColored "Terraform plan has completed, please review the plan and confirm you wish to continue." -ForegroundColor Yellow -NewLineBefore -InformationAction Continue $choices = [System.Management.Automation.Host.ChoiceDescription[]] @("&Yes", "&No") $message = "Please confirm you wish to apply the plan." $title = "Confirm Terraform plan" $resultIndex = $host.ui.PromptForChoice($title, $message, $choices, 0) if($resultIndex -eq 1) { Write-InformationColored "You have chosen not to apply the plan. Exiting..." -ForegroundColor Red -NewLineBefore -InformationAction Continue return } } # Start timer $StopWatch = New-Object -TypeName System.Diagnostics.Stopwatch $StopWatch.Start() $command = "terraform" $arguments = @() $arguments += "-chdir=$moduleFolderPath" $arguments += "apply" $arguments += "-auto-approve" $arguments += "-input=false" $arguments += "$planFileName" if(!$silent) { Write-InformationColored "Running Apply Command for $action : $command $arguments" -ForegroundColor Green -NewLineBefore -InformationAction Continue & $command $arguments } else { & $command $arguments | Write-Verbose } $exitCode = $LASTEXITCODE $currentAttempt = 0 $maxAttempts = 5 while($exitCode -ne 0 -and $currentAttempt -lt $maxAttempts) { Write-InformationColored "Terraform $action failed with exit code $exitCode. This is likely a transient issue, so we are retrying..." -ForegroundColor Yellow -NewLineBefore -InformationAction Continue $currentAttempt++ $command = "terraform" $arguments = @() $arguments += "-chdir=$moduleFolderPath" $arguments += "apply" $arguments += "-auto-approve" $arguments += "-input=false" if($tfvarsFileName -ne "") { $arguments += "-var-file=$tfvarsFileName" } if ($destroy) { $arguments += "-destroy" } Write-InformationColored "Running Apply Command for $action : $command $arguments" -ForegroundColor Green -NewLineBefore -InformationAction Continue & $command $arguments $exitCode = $LASTEXITCODE } # Stop and display timer $StopWatch.Stop() if(!$silent) { Write-InformationColored "Time taken to complete Terraform apply:" -ForegroundColor Green -NewLineBefore -InformationAction Continue } $StopWatch.Elapsed | Format-Table if($exitCode -ne 0) { Write-InformationColored "Terraform $action failed with exit code $exitCode after $maxAttempts attempts. Please review the error and try again or raise an issue." -ForegroundColor Red -NewLineBefore -InformationAction Continue throw "Terraform $action failed with exit code $exitCode after $maxAttempts attempts. Please review the error and try again or raise an issue." } else { if($output -ne "") { if($outputFilePath -eq "") { $outputFilePath = Join-Path $moduleFolderPath "output.json" } $command = "terraform" $arguments = @() $arguments += "-chdir=$moduleFolderPath" $arguments += "output" $arguments += "-json" $arguments += "$output" Write-Verbose "Outputting $output to $outputFilePath" Write-Verbose "Running Output Command: $command $arguments" & $command $arguments > $outputFilePath } } } } |