Creating SQL Server Containers for versions 2012-2017

I am working on my dbatools and dbachecks presentations for SQL Saturday Finland, SQLDays, SQL Saturday Cork and SQLGrillen I want to show the two modules running against a number of SQL Versions so I have installed

  • 2 Domain Controllers
  • 2 SQL 2017 instances on Windows 2016 with an Availability Group and WideWorldImporters database
  • 1 Windows 2016 jump box with all the programmes I need
  • 1 Windows 2016 with containers

using a VSTS build and this set of ARM templates and scripts

I wanted to create containers running SQL2017, SQL2016, SQL2014 and SQL2012 and restore versions of the AdventureWorks database onto each one.

Move Docker Location

I redirected my docker location from my C:\ drive to my E:\ drive so I didnt run out of space. I did this by creating a daemon.json file in C:\ProgramData\docker\config and adding

and restarting the docker service which created folders like this
01 - folders.png
Then I ran
to create a volume to hold the backups that I could mount on the containers

AdventureWorks Backups

I downloaded all the AdventureWorks backups from GitHub and copied them to E:\containers\volumes\sqlbackups\_data

Getting the Images

To download the SQL 2017 image from the DockerHub I ran

and waited for it to download and extract

I also needed the images for other versions. My good friend Andrew Pruski b | t has versions available for us to use on his Docker Hub  so it is just a case of running

and waiting for those to download and extract (This can take a while!)

Create the containers

Creating the containers is as easy as

so all I needed to run to create 4 SQL containers one of each version was

and just a shade over 12 seconds later I have 4 SQL instances ready for me 🙂

02 - creating containers.png

03 - Containers at the ready.png

Storing Credentials

This is not something I would do in a Production environment but I save my credentials using this method that Jaap Brasser b | t shared here

which means that I can get the credentials in my PowerShell session (as long as it is the same user that created the file) using

Restoring the databases

I restored all of the AdventureWorks databases that each instance will support onto each instance, so 2017 has all of them whilst 2012 only has the 2012 versions.

First I needed to get the filenames of the backup files into a variable

and the container connection strings, which are the hostname and the port number

then I can restore the databases using dbatools using a switch statement on the version which I get with the NameLevel property of Get-DbaSqlBuildReference-
I need to create the file paths for each backup file by getting the correct backups and appending the names to C:\SQLBackups which is where the volume is mounted inside the container
As Get-DbaDatabase gives the container ID as the Computer Name I have highlighted each container below
04 - databases.png
That is how easy it is to create a number of SQL containers of differing versions for your presentations or exploring needs
Happy Automating!

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