Created
May 14, 2015 14:30
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Add a connection string to a IIS web.config
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| # Powershell 2.0 | |
| # Stop and fail script when a command fails. | |
| $errorActionPreference = "Stop" | |
| # load library functions | |
| $rsLibDstDirPath = "$env:rs_sandbox_home\RightScript\lib" | |
| . "$rsLibDstDirPath\tools\PsOutput.ps1" | |
| . "$rsLibDstDirPath\tools\ResolveError.ps1" | |
| try | |
| { | |
| $appName = $env:OPT_CONNECTION_STRING_PROV_NAME | |
| $connStringName = $env:OPT_CONNECTION_STRING_NAME | |
| $dbServerName = $env:OPT_CONNECTION_STRING_DB_SERVER_NAME | |
| $dbName = $env:OPT_CONNECTION_STRING_DB_NAME | |
| $userPassword = $env:OPT_CONNECTION_STRING_DB_USER_PASSWORD | |
| $userID = $env:OPT_CONNECTION_STRING_DB_USER_ID | |
| $failoverPatner = $env:OPT_CONNECTION_STRING_FAILOVER_PARTNER_NAME | |
| # Check inputs | |
| if (!$env:RS_IIS_LAST_RELEASE -or !(Test-Path $env:RS_IIS_LAST_RELEASE)) | |
| { | |
| throw "Unable to locate last release dir '$env:RS_IIS_LAST_RELEASE' - exiting..." | |
| } | |
| $webConfigPath = Join-Path $env:RS_IIS_LAST_RELEASE "web.config" | |
| if (!(Test-Path $webConfigPath)) | |
| { | |
| throw "Failed - file $webConfigPath not found." | |
| } | |
| ### Add connection string to web.config | |
| $xml = [xml](get-content $webConfigPath) | |
| if ($connStringName) | |
| { | |
| Write-Host "Search for $connString connection string in web.config..." | |
| foreach($connString in $xml.configuration.connectionStrings.add) | |
| { | |
| if ($connString.name -eq $connStringName) | |
| { | |
| Write-Host "Deleting connection string $($connString.name): $($connString.connectionString)" | |
| $xml.configuration.connectionStrings.RemoveChild($connString) | Out-Null | |
| } | |
| } | |
| } | |
| Write-Host "Adding new connection string to web.config..." | |
| # Create element for new connection string | |
| $elem = $xml.CreateElement("add", $xml.DocumentElement.NamespaceURI) | |
| if ($failoverPatner) | |
| { | |
| $newConnStr = "Server=$dbServerName;Failover Partner=$failoverPatner;Connection Timeout=60;Database=$dbName;User ID=$UserID;Password=$userPassword;" | |
| } | |
| else | |
| { | |
| $newConnStr = "Server=$dbServerName;Database=$dbName;User ID=$UserID;Password=$userPassword;" | |
| } | |
| Write-Host "New connection string: $newConnStr" | |
| # Add name attribute | |
| if ($connStringName) | |
| { | |
| $elem.SetAttribute('name', $connStringName) | |
| } | |
| # Add connection string itself | |
| $elem.SetAttribute('connectionString', $newConnStr) | |
| # Add provider name | |
| if ($env:OPT_CONNECTION_STRING_PROV_NAME) | |
| { | |
| $elem.SetAttribute('providerName', $env:OPT_CONNECTION_STRING_PROV_NAME) | |
| } | |
| $elem.RemoveAttribute('xmlns') | |
| # Append new element and save the file | |
| # Important: | |
| # - SelectSingleNode is needed because in some cases default navigation returns String | |
| # instead of XMlElement | |
| # - using namespace-independent XPath expression to select connectionStrings | |
| # node by matching tag name | |
| $xml.configuration.SelectSingleNode("//*[local-name()='connectionStrings']").AppendChild($elem) | Out-Null | |
| $xml.Save($webConfigPath) | |
| Write-Host "Connection string is added successfully." | |
| } | |
| catch | |
| { | |
| ResolveError | |
| exit 1 | |
| } |
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