Templates/terraform.ps1
|
#!/usr/bin/env pwsh #Requires -Version 5.0 Set-StrictMode -Version 3.0 # Redirect Windows PowerShell to PowerShell 7 if ($PSVersionTable.PSVersion.Major -le 5) { pwsh -NonInteractive -NoProfile -Command "$($Script:MyInvocation.MyCommand.Path)" $script:args exit $LASTEXITCODE } <# terraform.ps1 : Shim for terraform binary. #> function InvokeTerraform ([string]$AliasPath, [string]$Version) { $binaryName = if ($IsWindows) { 'terraform.exe' } else { 'terraform' } $binaryPath = [System.IO.Path]::Join($AliasPath, $Version, $binaryName) Write-Verbose ('Invoke terraform : {0}' -f $binaryPath) & "$binaryPath" $script:args exit $LASTEXITCODE } $rootPath = [System.IO.Path]::GetDirectoryName($Script:MyInvocation.MyCommand.Path) $aliasAppPath = [System.IO.Path]::Join([System.IO.Path]::GetDirectoryName($rootPath), 'terraform') # Get current version $verFilePath = [System.IO.Path]::Join($aliasAppPath, 'version') if (-not [System.IO.File]::Exists($verFilePath)) { Write-Warning 'Failed to find current Terraform vesion.' Write-Warning 'Do Set-TFAlias -Initialize first.' return } $currentVersion = [semver]@([System.IO.File]::ReadAllLines($verFilePath))[0] Write-Verbose ('Detect currnent version : {0}' -f $currentVersion) # If COMP_LINE environment variable is set for auto-completion, invoke terraform command immediately. if ($env:COMP_LINE) { InvokeTerraform -AliasPath $aliasAppPath -Version $currentVersion return } # Check if -chdir parameter selected $chdirPath = '' $chdirArg = $script:args.Where({ $_.StartsWith('-chdir=') -and $_.Length -gt 7 }) | Select-Object -First 1 # Note : '-chdir='.Length = 7 if ($chdirArg) { try { Write-Verbose ('-chdir parameter detect : {0}' -f $chdirArg) $chdirPath = Resolve-Path -LiteralPath ($chdirArg.Substring(7)) -ErrorAction Stop | Select-Object -ExpandProperty Path } catch { Write-Warning ('Failed to parse -chdir parameter. ({0})' -f $_) } } # Check .terraform-version file # Note.1 : tfenv searches .terraform-version in two phases, from $pwd recursively and from $HOME recursively. # But terraform.ps1 does not search $HOME recursively, this is intentional. # Note.2 : Must use Test-Path to resolve relative path. $testPath = if (-not [string]::IsNullOrEmpty($chdirPath)) { $chdirPath } else { $pwd.Path } do { Write-Verbose ('Seacrh .terraform-version : {0}' -f $testPath) if (Test-Path -Path ([System.IO.Path]::Join($testPath, '.terraform-version')) -PathType Leaf) { break } $testPath = [System.IO.Path]::GetDirectoryName($testPath) } while (-not [string]::IsNullOrEmpty($testPath)) if ([string]::IsNullOrEmpty($testPath)) { Write-Verbose ('Seacrh .terraform-version : {0}' -f $HOME) if (Test-Path -Path ([System.IO.Path]::Join($HOME, '.terraform-version')) -PathType Leaf) { $testPath = $HOME } } if (-not [string]::IsNullOrEmpty($testPath)) { Write-Verbose ('.terraform-version is detected at {0}' -f $testPath) $fileVersion = Get-TFVersionFromFile -LiteralPath ([System.IO.Path]::Join($testPath, '.terraform-version')) if (-not $fileVersion) { Write-Warning '.terraform-version is detected, but failed to parse.' } else { if ($currentVersion -ne $fileVersion) { Write-Warning ('Preferred version.{0} is detected from {1}.' -f $fileVersion, ([System.IO.Path]::Join($testPath, '.terraform-version'))) Write-Warning ('Override version {0} to {1}' -f $currentVersion, $fileVersion) Set-TFAlias -Version $fileVersion -Force $currentVersion = $fileVersion } } } Write-Verbose ('Decided version : {0}' -f $currentVersion) # Invoke Terraform InvokeTerraform -AliasPath $aliasAppPath -Version $currentVersion |