BuildBot

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Overview and archeological exploration of the MepSQL Bakery

This is the final part in a series of posts about the MepSQL build system known as MepSQL Bakery. MepSQL is a (yet another) fork of the MySQL database server, with the server based on the MySQLatFacebook code and the build system based on the MariaDB build system.

In this final post I wish to draw a high level picture of the complete process of building TAR, DEB and (eventually) RPM packages from the source code. There's not much more technical details to add to the previous posts, instead I'm going to make some, shall we say "archeological", observations which imho are interesting given how the build system has evolved when being passed from one project to another. Perhaps more importantly, I will also say a few words about where I think the future direction lies.

hingo's picture

Going from MariaDB to MepSQL BuildBot setup and using EC2LatentBuildSlave to save money

This is the third post in a series about developing the MepSQL build system. In the previous posts we chose BuildBot running in the Amazon EC2 cloud. In this post we actually get a closer look at how the packages are being built (to be followed by even closer looks in later posts :-)

One of the things missing when you fork MySQL is the build system. (The other main missing component being the manual.) It is possible for anyone to compile MySQL from source, but the actual build system (scripts, testing, etc) used by MySQL itself is not public. The same is true for the automated testing. MariaDB uses the open source tool called BuildBot for both of these tasks - in this post we are mainly concerned about the building of packages. Actually, we are mainly concerned with BuildBot itself and the details about building packages is saved for a later post. I will document both the MariaDB system and the MepSQL system which was derived from that.

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