Private/Invoke-Upgrade.ps1
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function Invoke-Upgrade { [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter(Mandatory = $false)] [string] $alzEnvironmentDestination, [Parameter(Mandatory = $false)] [string] $bootstrapCacheFileName, [Parameter(Mandatory = $false)] [string] $starterCacheFileNamePattern, [Parameter(Mandatory = $false)] [string] $stateFilePathAndFileName, [Parameter(Mandatory = $false)] [string] $currentVersion, [Parameter(Mandatory = $false)] [switch] $autoApprove ) if ($PSCmdlet.ShouldProcess("Upgrade Release", "Operation")) { $directories = Get-ChildItem -Path $alzEnvironmentDestination -Filter "v*" -Directory $previousBootstrapCachedValuesPath = $null $previousStarterCachedValuesPath = $null $previousStateFilePath = $null $previousVersion = $null $foundPreviousRelease = $false foreach ($directory in $directories | Sort-Object -Descending -Property Name) { $releasePath = Join-Path -Path $alzEnvironmentDestination -ChildPath $directory.Name $releaseBootstrapCachedValuesPath = Join-Path -Path $releasePath -ChildPath $bootstrapCacheFileName $releaseStateFilePath = Join-Path -Path $releasePath -ChildPath $stateFilePathAndFileName if(Test-Path $releaseBootstrapCachedValuesPath) { $previousBootstrapCachedValuesPath = $releaseBootstrapCachedValuesPath } $starterCacheFiles = Get-ChildItem -Path $releasePath -Filter $starterCacheFileNamePattern -File if($starterCacheFiles) { $previousStarterCachedValuesPath = $starterCacheFiles[0].FullName } if(Test-Path $releaseStateFilePath) { $previousStateFilePath = $releaseStateFilePath } if($null -ne $previousStateFilePath) { if($directory.Name -eq $currentVersion) { # If the current version has already been run, then skip the upgrade process break } $foundPreviousRelease = $true $previousVersion = $directory.Name break } } if($foundPreviousRelease) { Write-InformationColored "AUTOMATIC UPGRADE: We found version $previousVersion that has been previously run. You can upgrade from this version to the new version $currentVersion" -ForegroundColor Yellow -InformationAction Continue $upgrade = "" if($autoApprove) { $upgrade = "upgrade" } else { $upgrade = Read-Host "If you would like to upgrade, enter 'upgrade' or just hit 'enter' to continue with a new environment. (upgrade/exit)" } if($upgrade.ToLower() -eq "upgrade") { $currentPath = Join-Path -Path $alzEnvironmentDestination -ChildPath $currentVersion $currentBootstrapCachedValuesPath = Join-Path -Path $currentPath -ChildPath $bootstrapCacheFileName $currentStarterCachedValuesPath = $currentPath $currentStateFilePath = Join-Path -Path $currentPath -ChildPath $stateFilePathAndFileName # Copy the previous cached values to the current release if($null -ne $previousBootstrapCachedValuesPath) { Write-InformationColored "AUTOMATIC UPGRADE: Copying $previousBootstrapCachedValuesPath to $currentBootstrapCachedValuesPath" -ForegroundColor Green -InformationAction Continue Copy-Item -Path $previousBootstrapCachedValuesPath -Destination $currentBootstrapCachedValuesPath -Force | Out-String | Write-Verbose } if($null -ne $previousStarterCachedValuesPath) { Write-InformationColored "AUTOMATIC UPGRADE: Copying $previousStarterCachedValuesPath to $currentStarterCachedValuesPath" -ForegroundColor Green -InformationAction Continue Copy-Item -Path $previousStarterCachedValuesPath -Destination $currentStarterCachedValuesPath -Force | Out-String | Write-Verbose } Write-InformationColored "AUTOMATIC UPGRADE: Copying $previousStateFilePath to $currentStateFilePath" -ForegroundColor Green -InformationAction Continue Copy-Item -Path $previousStateFilePath -Destination $currentStateFilePath -Force | Out-String | Write-Verbose Write-InformationColored "AUTOMATIC UPGRADE: Upgrade complete. If any files in the starter have been updated, you will need to remove branch protection in order for the Terraform apply to succeed..." -ForegroundColor Yellow -InformationAction Continue } } } } |