Added custom DB ATTACH support to the start.ps1 as well as dockerfile.

Changes to be committed:
	modified:   dockerfile
	modified:   start.ps1

samples/manage/windows-containers/mssql-server-2014-express-windows/dockerfile

@@ -12,6 +12,7 @@ MAINTAINER Perry Skountrianos
 # set environment variables
 ENV sql_express_download_url "https://download.microsoft.com/download/1/5/6/156992E6-F7C7-4E55-833D-249BD2348138/ENU/x64/SQLEXPR_x64_ENU.exe"
 ENV sa_password _
+ENV attach_dbs "[]"
 
 # make install files accessible
 COPY . /
@@ -22,9 +23,9 @@ RUN powershell -Command (New-Object System.Net.WebClient).DownloadFile('%sql_exp
 
 RUN powershell -Command \
         set-strictmode -version latest ; \
-        stop-service MSSQL`$%sqlinstance% ; \
+        stop-service MSSQL`$SQLEXPRESS ; \
         set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql12.SQLEXPRESS\mssqlserver\supersocketnetlib\tcp\ipall' -name tcpdynamicports -value '' ; \
         set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql12.SQLEXPRESS\mssqlserver\supersocketnetlib\tcp\ipall' -name tcpport -value 1433 ; \
         set-itemproperty -path 'HKLM:\software\microsoft\microsoft sql server\mssql12.SQLEXPRESS\mssqlserver\' -name LoginMode -value 2 ; 
 
-CMD powershell ./start %sa_password%
+CMD powershell ./start -sa_password %sa_password% -attach_dbs \"%attach_dbs%\"

samples/manage/windows-containers/mssql-server-2014-express-windows/start.ps1

@@ -1,17 +1,43 @@
-# The script sets the sa password and start the SQl Service 
+# The script sets the sa password and start the SQL Service 
+# Also it attaches additional database from the disk
+# The format for attach_dbs
 
 param(
 [Parameter(Mandatory=$false)]
-[string]$sa_password
+[string]$sa_password,
+
+[Parameter(Mandatory=$false)]
+[string]$attach_dbs
 )
 
 # start the service
+Write-Verbose "Starting SQL Server"
 start-service MSSQL`$SQLEXPRESS
 
-
 if($sa_password -ne "_"){
+	Write-Verbose "Changing SA login credentials"
     $sqlcmd = "ALTER LOGIN sa with password=" +"'" + $sa_password + "'" + ";ALTER LOGIN sa ENABLE;"
     Invoke-Sqlcmd -Query $sqlcmd -ServerInstance ".\SQLEXPRESS" 
 }
 
+$attach_dbs = $attach_dbs | ConvertFrom-Json
+
+if ($null -ne $attach_dbs){
+	Write-Verbose "Attaching database(s)"
+	Foreach($db in $attach_dbs)
+	{
+		$files = @();
+		Foreach($file in $db.dbFiles)
+		{
+			$files += "(FILENAME = 'N$($file)')";
+		}
+		
+		$files = $files -join ","
+		$sqlcmd = "sp_detach_db $($db.dbName);GO;CREATE DATABASE $($db.dbName) ON $($files) FOR ATTACH ;GO;"
+
+		Write-Host Invoke-Sqlcmd -Query $($sqlcmd) -ServerInstance ".\SQLEXPRESS" 
+		Invoke-Sqlcmd -Query $sqlcmd -ServerInstance ".\SQLEXPRESS"
+	}
+}
+
 while ($true) { Start-Sleep -Seconds 3600 }