functions/Get-DBOConfig.ps1
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function Get-DBOConfig { <# .SYNOPSIS Returns a DBOpsConfig object .DESCRIPTION Returns a DBOpsConfig object from an existing json file. If file was not specified, returns a blank DBOpsConfig object. Values of the config can be overwritten by the hashtable parameter -Configuration. .PARAMETER Path Path to the JSON config file. .PARAMETER InputObject Object to get the configuration from. .PARAMETER Configuration Overrides for the configuration values. Will replace existing configuration values. .PARAMETER Confirm Prompts to confirm certain actions .PARAMETER WhatIf Shows what would happen if the command would execute, but does not actually perform the command .EXAMPLE # Returns configuration from existing file Get-DBOConfig c:\package\dbops.config.json .EXAMPLE # Returns configuration overriding ConnectionTimeout Get-DBOConfig c:\package\dbops.config.json -Configuration @{ ConnectionTimeout = 5 } #> [CmdletBinding(DefaultParameterSetName = 'Path')] param ( [parameter(Mandatory, ParameterSetName = 'Path', Position = 1)] [string]$Path, [parameter(Mandatory, ParameterSetName = 'Pipeline', ValueFromPipeline)] $InputObject, [object]$Configuration ) process { if ($PsCmdlet.ParameterSetName -eq 'Path') { $config = [DBOpsConfig]::FromFile($Path) } elseif ($PsCmdlet.ParameterSetName -eq 'Pipeline') { if ($InputObject -is [DBOpsConfig]) { $config = $InputObject } else { # assuming it's a package - file or else $package = Get-DBOPackage -InputObject $InputObject $config = $package.Configuration } } if (Test-PSFParameterBinding -ParameterName Configuration) { if ($Configuration -is [DBOpsConfig] -or $Configuration -is [hashtable]) { Write-PSFMessage -Level Verbose -Message "Merging configuration from a $($Configuration.GetType().Name) object" $config.Merge($Configuration) } elseif ($Configuration -is [String] -or $Configuration -is [System.IO.FileInfo]) { $configFromFile = Get-DBOConfig -Path $Configuration Write-PSFMessage -Level Verbose -Message "Merging configuration from file $($Configuration)" $config.Merge($configFromFile) } elseif ($Configuration) { Stop-PSFFunction -EnableException $true -Message "The following object type is not supported: $($Configuration.GetType().Name). The only supported types are DBOpsConfig, Hashtable, FileInfo and String" } } return $config } } |