Private/Edit-ALZConfigurationFilesInPlace.ps1
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function Edit-ALZConfigurationFilesInPlace { param( [Parameter(Mandatory = $false)] [Alias("Output")] [Alias("OutputDirectory")] [Alias("O")] [string] $alzEnvironmentDestination = ".", [Parameter(Mandatory = $true)] [object] $configuration ) $locations = @("config") $files = @() foreach ($location in $locations) { $bicepModules = Join-Path $alzEnvironmentDestination $location $files += @(Get-ChildItem -Path $bicepModules -Recurse -Filter *.parameters.*.json) } foreach ($file in $files) { $bicepConfiguration = Get-Content $file.FullName | ConvertFrom-Json -AsHashtable $modified = $false foreach ($configKey in $configuration.PsObject.Properties) { foreach ($target in $configKey.Value.Targets) { # Is this configuration value for this file? $targetedAtThisFile = $null -eq $target.File -or $target.File -eq $file.Name if ($targetedAtThisFile -eq $false) { continue } # Find the appropriate item which will be changed in the Bicep file. # Remove array '[' ']' characters so we can use the index value direct. $propertyNames = $target.Name -replace "\[|\]","" -split "\." $bicepConfigNode = $bicepConfiguration.parameters $index = 0 # Keep navigating into properties which the configuration specifies until we reach the bottom most object, # e.g. not a value type - but the object reference so the value is persisted. do { if ($bicepConfigNode -is [array]) { # If this is an array - use the property as an array index... if ($propertyNames[$index] -match "[0-9]+" -eq $false) { throw "Configuration specifies an array, but the index value '${$propertyNames[$index]}' is not a number" } $bicepConfigNode = $bicepConfigNode[$propertyNames[$index]] } elseif ($bicepConfigNode.ContainsKey($propertyNames[$index]) -eq $true) { # We found the item, keep indexing into the object. $bicepConfigNode = $bicepConfigNode[$propertyNames[$index]] } else { # This property doesn't exist at this level in the hierarchy, # this isn't the property we're looking for, stop looking. $bicepConfigNode = $null } ++$index } while (($null -ne $bicepConfigNode) -and ($index -lt $propertyNames.Length - 1)) # If we're here, we can modify this file and we've got an actual object specified by the Name path value - and we can modify values on it. if ($target.Destination -eq "Parameters" -and $null -ne $bicepConfigNode) { $leafPropertyName = $propertyNames[-1] if ($configKey.Value.Type -eq "Computed") { # If the value type is computed we replace the value with another which already exists in the configuration hierarchy. if ($configKey.Value.Value -is [array]) { $formattedValues = @() foreach($formatString in $configKey.Value.Value) { $formattedValues += Format-TokenizedConfigurationString -tokenizedString $formatString -configuration $configuration } if ($null -ne $configKey.Value.Process) { $scriptBlock = [ScriptBlock]::Create($configKey.Value.Process) $formattedValues = Invoke-Command -ScriptBlock $scriptBlock -ArgumentList $formattedValues $formattedValues = @($formattedValues) } $bicepConfigNode[$leafPropertyName] = $formattedValues } else { $formattedValue = Format-TokenizedConfigurationString -tokenizedString $configKey.Value.Value -configuration $configuration if ($null -ne $configKey.Value.Process) { $scriptBlock = [ScriptBlock]::Create($configKey.Value.Process) $formattedValue = Invoke-Command -ScriptBlock $scriptBlock -ArgumentList $formattedValue } $bicepConfigNode[$leafPropertyName] = $formattedValue } } else { $bicepConfigNode[$leafPropertyName] = $configKey.Value.Value } $modified = $true } } } if ($true -eq $modified) { Write-InformationColored $file.FullName -ForegroundColor Yellow -InformationAction Continue $bicepConfiguration | ConvertTo-Json -Depth 10 | Out-File $file.FullName } } } |