Support for Microsoft SQL Server?

Rancher 1.x
1

Can rancher server use a Microsoft SQL Server? I’d have to manage a mysql cluster, backups, etc myself. If I could point rancher at a MSSQL database that is fully managed for me, my life would be easier.

2

iirc from the last meetup, I believe that MySQL is the only supported database. I did a quick search through the rancher/rancher repo and couldn’t find any mention of MSSQL.

3

hi, you don’t need to manage the mysql cluster…the mysql is inside the rancher server container and it is quite minimal. You just need to backit up now and than. I have used a very simple and elegant docker image deitch/mysql-backup that does the job well.

Below an example of the use of the mysql-backup in a docker-compose I created at my work to deploy rancher:

4

All the queries are theoretically database-agnostic, but MySQL & variants are the only supported database (and H2 for integration testing). We have no immediate plans, but if we were to add another it would probably be Postrgres.

5

It’s a shame MSSQL is not supported. For us Azure folks this is the only managed DB available.

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6

It shouldn’t be that hard to add MSSQL into the mix. There is a MSSQL package available for Go that should be able to slip in in-place of MySQL’s client bindings easily with only a few changes to the code. Just a quick search turned up https://github.com/denisenkom/go-mssqldb.

Pre-packaging it, however, requires a little bit more work. But I don’t see it being more than just some light hacking to make it work on Azure!

7

This would be a great option for those of in corporate environments that already have HA Microsoft SQL Server setups. It makes it a much easier “sell” to management.

8

The practicality of this is it’s effectively a “PRs accepted” kind of feature. If someone wants to write it we’ll take a PR for it. For example, experimental Postgres support was added by a community member and merged into 1.2. But it is not practical for us (as a company) to be spending a bunch of time building support for a DB that is of no use to us personally, without a customer that wants to pay for development and ongoing testing of officially supporting it.

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