Added SQLServer DSC example

Author: adbertram

DSC/SQLServer/ConfigurationData.psd1

@@ -0,0 +1,11 @@
+@{
+    AllNodes = @(
+        @{
+            NodeName = '*'
+            PSDscAllowPlainTextPassword = $true
+        },
+        @{
+            NodeName = 'localhost'
+        }
+    )
+}

DSC/SQLServer/SQLServerStandalone.ps1

@@ -0,0 +1,50 @@
+#requires -Version 5
+
+Configuration SQLStandalone
+{
+    param(
+        [pscredential]$SetupCredential ## Need to pass a credential for setup
+    )
+    ## Download the xSQLServer module from the PowerShell Gallery
+    Import-DscResource -Module xSQLServer
+
+    ## Run this DSC configuration on the localhost (gathered from configuration data)
+    Node $AllNodes.NodeName
+    {
+        ## Install a prerequisite Windows feature
+        WindowsFeature "NET-Framework-Core"
+        {
+            Ensure = "Present"
+            Name = "NET-Framework-Core"
+            Source = "\MEMBERSRV1InstallersWindowsServer2012R2sourcessxs"
+        }
+
+        ## Have DSC grab install bits from the SourcePath, install under the instance name with the features
+        ## using the specified SQL Sys admin accounts. Be sure to install the Windows feature first.
+        xSqlServerSetup 'SqlServerSetup'
+        {
+            DependsOn = "[WindowsFeature]NET-Framework-Core"
+            SourcePath = '\MEMBERSRV1InstallersSqlServer2016'
+            SetupCredential = $SetupCredential
+            InstanceName = 'MSSQLSERVER'
+            Features = 'SQLENGINE,FULLTEXT,RS,AS,IS'
+            SQLSysAdminAccounts = 'mylab.localAdministrator'
+        }
+
+        ## Add firewall exceptions for SQL Server but run SQL server setup first.
+        xSqlServerFirewall 'SqlFirewall'
+        {
+            DependsOn = '[xSqlServerSetup]SqlServerSetup'
+            SourcePath = '\MEMBERSRV1InstallersSqlServer2016'
+            InstanceName = 'MSSQLSERVER'
+            Features = 'SQLENGINE,FULLTEXT,RS,AS,IS'
+        }
+    }
+}
+
+if (-not (Get-Module -Name xSqlServer -ListAvailable)) {
+	Install-Module -Name 'xSqlServer' -Confirm:$false
+}
+
+SQLStandAlone
+Start-DscConfiguration –Wait –Force –Path '.\SQLStandalone' –Verbose