posh-awsvault.psm1
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function New-AWSVaultAlias { <# .SYNOPSIS Creates an aws-vault alias. .DESCRIPTION When called with a command name, creates an alias that does the equivalent of aws-vault exec $Env:AWS_PROFILE command. .PARAMETER AliasName The name of the alias. .PARAMETER CommandName The command to execute. If omitted, it will be assumed to be the same as AliasName. .LINK https://www.github.com/jonscheiding/posh-awsvault #> param( [Parameter(Position = 0, Mandatory = $true)] [string] $AliasName, [Parameter(Position = 1)] [string] $CommandName ) $ModuleName = "posh-awsvault-$AliasName" if([string]::IsNullOrEmpty($CommandName)) { $CommandName = $AliasName } $Module = New-Module -Name $ModuleName -ArgumentList @($AliasName, $CommandName) { param( [Parameter(Position = 0)] $AliasName, [Parameter(Position = 2)] $CommandName ) $FunctionName = "Invoke-AWSVault_$AliasName" $FunctionScriptBlock = { Invoke-AWSVault $CommandName $args } Set-Item -Path function:\$FunctionName -Value $FunctionScriptBlock Set-Alias -Name $AliasName -Value $FunctionName Export-ModuleMember -Alias $AliasName -Function $FunctionName } $Module | Import-Module -Force -Global } function Remove-AWSVaultAlias { <# .SYNOPSIS Removes an aws-vault alias that was created by New-AWSVaultAlias. .PARAMETER AliasName The name of the alias to remove. .LINK https://www.github.com/jonscheiding/posh-awsvault #> param( [Parameter(Position = 0, Mandatory = $true)] [string] $AliasName ) $ErrorActionPreference = "stop" $Alias = Get-Alias $AliasName $Module = $Alias.Module if($null -eq $Module -or !$Module.Name.StartsWith("posh-awsvault-")) { Write-Error "The alias '$Alias' is not a posh-awsvault alias." } Remove-Item "Alias:\$($Alias.Name)" Remove-Module $Alias.Module.Name } function Invoke-AWSVault { <# .SYNOPSIS Provides a convenient wrapper for aws-vault. .DESCRIPTION Calling this with a command is basically equivalent to calling aws-vault exec $Env:AWS_PROFILE command. But, see https://github.com/99designs/aws-vault/issues/410 for caveats. .PARAMETER CommandName The command to execute. .PARAMETER CommandArguments The arguments to pass to the command specified by CommandName. .LINK https://www.github.com/jonscheiding/posh-awsvault #> param( [Parameter(Mandatory = $true)] $CommandName, [Parameter(ValueFromRemainingArguments = $true)] $CommandArguments ) $AWSProfile = (Get-Item Env:\AWS_PROFILE).Value Write-Host -ForegroundColor Cyan ` "Invoking aws-vault for $CommandName with profile $AWSProfile." $Command = Get-Command -CommandType Application $CommandName try { # # AWS_PROFILE needs to be unset while calling aws-vault # See https://github.com/99designs/aws-vault/issues/410 # Remove-Item Env:\AWS_PROFILE Invoke-External aws-vault exec $AWSProfile -- $Command @CommandArguments } finally { Set-Item Env:\AWS_PROFILE $AWSProfile } } function Invoke-External { param( [Parameter(Mandatory = $true)] [string] $Command, [Parameter(ValueFromRemainingArguments = $true)] $Arguments ) & $Command $Arguments } $MyInvocation.MyCommand.ScriptBlock.Module.OnRemove = { Get-Module ` | Where-Object { $_.Name.StartsWith("posh-awsvault-") } ` | Remove-Module } New-Alias awsv Invoke-AWSVault |