Private/Config-Helpers/Set-Config.ps1
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function Set-Config { [CmdletBinding(SupportsShouldProcess = $true)] param( [Parameter(Mandatory = $true)] [object] $configurationParameters, [Parameter(Mandatory = $false)] [PSCustomObject] $inputConfig = $null, [Parameter(Mandatory = $false)] [switch] $copyEnvVarToConfig ) if ($PSCmdlet.ShouldProcess("Set Configuration.", "Set configuration values.")) { $configurations = $configurationParameters.PsObject.Properties foreach ($configurationValue in $configurations) { # Check for calculated configuration if($configurationValue.Value.Source -eq "calculated") { $configurationValue.Value.Value = $configurationValue.Value.Pattern continue } # Get input config name $inputConfigName = $configurationValue.Name if($configurationValue.Value.PSObject.Properties.Name -contains "SourceInput") { $inputConfigName = $configurationValue.Value.SourceInput Write-Verbose "Using source input $inputConfigName for $($configurationValue.Name)" } # Look for environment variables $environmentVariable = [Environment]::GetEnvironmentVariable("TF_VAR_$inputConfigName") if($null -ne $environmentVariable) { if($copyEnvVarToConfig) { $configurationValue.Value.Value = $environmentVariable Write-Verbose "Set value from environment variable for $inputConfigName" } else { $configurationValue.Value.Value = "sourced-from-env" Write-Verbose "Using environment variable for $inputConfigName" } continue } # Look for collection config match if($inputConfigName.EndsWith("]")) { Write-Verbose "Looking for collection input config match for $inputConfigName" $indexSplit = $inputConfigName.Split([char[]]@('[', ']'), [System.StringSplitOptions]::RemoveEmptyEntries) $inputConfigItem = $inputConfig.PsObject.Properties | Where-Object { $_.Name -eq $indexSplit[0] } if($null -ne $inputConfigItem) { Write-Verbose "Found collection input config match for $inputConfigName" $inputConfigItemValue = $inputConfigItem.Value.Value $inputConfigItemValueType = $inputConfigItemValue.GetType().FullName Write-Verbose "Input config item value type pre-standardization: $inputConfigItemValueType" # Convert to standard type $inputConfigItemValueJson = ConvertTo-Json -InputObject $inputConfigItemValue -Depth 100 Write-Verbose "Input config item value pre-standardization: $inputConfigItemValueJson" $inputConfigItemValue = ConvertFrom-Json -InputObject $inputConfigItemValueJson -Depth 100 -NoEnumerate $inputConfigItemValueType = $inputConfigItemValue.GetType().FullName Write-Verbose "Input config item value type post-standardization: $inputConfigItemValueType" Write-Verbose "Input config item value post-standardization: $(ConvertTo-Json $inputConfigItemValue -Depth 100)" $indexString = $indexSplit[1].Replace("`"", "").Replace("'", "") Write-Verbose "Using index $indexString for input config item $inputConfigName" if([int]::TryParse($indexString, [ref]$null)) { # Handle integer index for arrays Write-Verbose "Handling integer index for array" # Ensure single value array is treated as array if(!$inputConfigItemValueType.EndsWith("]")) { Write-Verbose "Converting single value to array for input config item $($inputConfigName)." $inputConfigItemValue = @($inputConfigItemValue) } $index = [int]$indexString if($inputConfigItemValue.Length -le $index) { Write-Verbose "Input config item $($inputConfigName) does not have an index of $index." if($index -eq 0) { Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } } else { try{ $inputConfigItemIndexValue = $inputConfigItemValue[$index] } catch { Write-Verbose "Error accessing index $index for input config item $($inputConfigName): $_" if($index -eq 0) { Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } } if($null -ne $inputConfigItemIndexValue) { $configurationValue.Value.Value = $inputConfigItemIndexValue continue } else { Write-Verbose "Input config item $($inputConfigName) with index $index is null." if($index -eq 0) { Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } } } } else { # Handle string index for maps Write-Verbose "Handling string index for map" try{ $mapItem = $inputConfigItemValue.PsObject.Properties | Where-Object { $_.Name -eq $indexString } } catch { Write-Verbose "Error accessing map item $indexString for input config item $($inputConfigName): $_" Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } if($null -ne $mapItem) { $inputConfigItemIndexValue = $mapItem.Value if($null -ne $inputConfigItemIndexValue) { $configurationValue.Value.Value = $inputConfigItemIndexValue continue } else { Write-Verbose "Input config item $($inputConfigName) with index $indexString is null." Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } } else { Write-Verbose "Input config item $($inputConfigName) does not have an index of $indexString." Write-Error "At least one value is required for input config item $($inputConfigName)." throw "At least one value is required for input config item $($inputConfigName)." } } } else { Write-Error "Input config item $($inputConfigName) not found." throw "Input config item $($inputConfigName) not found." } } # Look for input config match $inputConfigItem = $inputConfig.PsObject.Properties | Where-Object { $_.Name -eq $inputConfigName } if($null -ne $inputConfigItem) { $configurationValue.Value.Value = $inputConfigItem.Value.Value continue } # TODO: Add validation here... # Use the default value if no input config is supplied if($configurationValue.Value.PSObject.Properties.Name -match "DefaultValue") { Write-Verbose "Input not supplied, so using default value of $($configurationValue.Value.DefaultValue) for $($configurationValue.Name)" $configurationValue.Value.Value = $configurationValue.Value.DefaultValue continue } Write-InformationColored "Input not supplied, and no default for $($configurationValue.Name)..." -ForegroundColor Red -InformationAction Continue throw "Input not supplied, and no default for $($configurationValue.Name)..." } return $configurationParameters } } |