Public/Import-Vaporshell.ps1
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function Import-Vaporshell { <# .SYNOPSIS Allows you to import an existing CloudFormation template as a starting point. .DESCRIPTION Allows you to import an existing CloudFormation template as a starting point. .PARAMETER Path The path to the existing template. .EXAMPLE $Template = Import-Vaporshell -Path "C:\CloudFormation\Templates\S3Bucket.json" .FUNCTIONALITY Vaporshell #> [cmdletbinding()] Param ( [parameter(Mandatory = $true,Position = 0)] [ValidateScript({Test-Path $_})] [String] $Path ) $tempObj = Get-Content $Path -Verbose:$false | ConvertFrom-Json -Verbose:$false $addMetadata = { Process { $ObjName = "Metadata" $allowedTypes = "Vaporshell.Transform","Vaporshell.Metadata" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addParameter = { Process { $ObjName = "Parameters" $allowedTypes = "Vaporshell.Parameter" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addMapping = { Process { $ObjName = "Mappings" $allowedTypes = "Vaporshell.Transform","Vaporshell.Mapping" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addCondition = { Process { $ObjName = "Conditions" $allowedTypes = "Vaporshell.Transform","Vaporshell.Condition" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addResource = { Process { $ObjName = "Resources" $allowedTypes = "Vaporshell.Transform","Vaporshell.Resource" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addOutput = { Process { $ObjName = "Outputs" $allowedTypes = "Vaporshell.Transform","Vaporshell.Output" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { Write-Verbose "The $ObjName property was not found on the Vaporshell template. Adding the property to the template now." $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value ([PSCustomObject]@{}) } Add-Member -InputObject $this.$ObjName -MemberType NoteProperty -Name $($obj.LogicalID) -Value $($obj.Properties) } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $addTransform = { Process { $ObjName = "Transform" $allowedTypes = "Vaporshell.Transform.Include" foreach ($obj in $args) { if ([string]$($obj.PSTypeNames) -match "($(($allowedTypes|ForEach-Object{[RegEx]::Escape($_)}) -join '|'))") { if ( -not ($this.$ObjName)) { $this | Add-Member -MemberType NoteProperty -Name "$ObjName" -Value $($obj.Properties) } else { throw "There is already a $ObjName property on this object!" } } else { throw "You must use one of the following object types with this parameter: $($allowedTypes -join ", ")" } } } } $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddMetadata" Value = $addMetadata } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddParameter" Value = $addParameter } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddMapping" Value = $addMapping } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddCondition" Value = $addCondition } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddResource" Value = $addResource } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddOutput" Value = $addOutput } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "AddTransform" Value = $addTransform } Add-Member @memberParam $remMetadata = { Process { $ObjName = "Metadata" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remParameter = { Process { $ObjName = "Parameters" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remMapping = { Process { $ObjName = "Mappings" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remCondition = { Process { $ObjName = "Conditions" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remResource = { Process { $ObjName = "Resources" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remOutput = { Process { $ObjName = "Outputs" foreach ($LogicalID in $args) { $this.$ObjName.PSObject.Properties.Remove($LogicalID) if ([string]::IsNullOrWhiteSpace($($this.$ObjName.PSObject.Properties | Out-String))) { Write-Verbose "All objects in the $ObjName property have been removed. Removing the property from the template as well." $this.PSObject.Properties.Remove($ObjName) } } } } $remTransform = { $ObjName = "Transform" if ($this.$ObjName) { $this.PSObject.Properties.Remove($ObjName) } } $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveMetadata" Value = $remMetadata } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveParameter" Value = $remParameter } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveMapping" Value = $remMapping } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveCondition" Value = $remCondition } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveResource" Value = $remResource } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveOutput" Value = $remOutput } Add-Member @memberParam $memberParam = @{ MemberType = "ScriptMethod" InputObject = $tempObj Name = "RemoveTransform" Value = $remTransform } Add-Member @memberParam $tempObj | Add-ObjectDetail -TypeName 'Vaporshell.Template' } |