Scala MongoDB
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foursquare

Description

A monorepo that holds all of Foursquare's opensource projects

217 Stars 47 Forks Apache License 2.0 1.3K Commits 22 Opened issues

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Foursquare Fsq.io

All of Foursquare's open source code in a single repo.

Build Status

All Foursquare code lives in a single repository, an architecture generally called a monorepo.

Fsq.io
is a subset of that internal monorepo.
Fsq.io
holds many of Foursquare's open source projects that had previously lived in their own separate Github repos. Foursquare contributes to a build tool specifically designed to work with monorepos called Pants. The entire
Fsq.io
repo is is built and tested by Pants.

Deploying directly from our monorepo has some nice advantages, for consumers of our open source projects as well as Foursquare itself. The entire repo is built daily by our CIs and internal contributions are open sourced automatically without the overhead of publishing. This repo will always contain the latest code that we use internally, all of the tools can be built just as we use them, directly from HEAD.

Projects include:

  • Fhttp: A request building interface similar to scalaj-http for Finagle http clients.
  • Rogue: A Scala DSL for MongoDB
  • Spindle: A Scala code generator for Thrift
  • Twofishes: A coarse, splitting geocoder and reverse geocoder in Scala
  • and others.

Requirements

  • JDK 1.8 (1.8.0_40 preferred)
  • python2.6+ (2.7 preferred)
  • postgresql
  • monogdb server (required to pass some tests)
  • An increased number of file descriptors (we use 32768)

Internally we use OSX Yosemite or later. Other OS may work but are officially unsupported. (Unofficially, if building on Linux you should install

python-dev
,
build-essential
, and
libpq-dev
in addition to the above).

Pants build system

Pants is a build system that works particularly well for a source code workspace containing many distinct but interdependent pieces.

Pants is similar to

make
,
maven
,
ant
,
gradle
,
sbt
, etc. but pants pursues different design goals. Pants optimizes for:
  • building multiple, dependent things from source
  • building code in a variety of languages
  • speed of build execution

Pants is a true community project, with major contributions from Twitter, Foursquare, Square, among other companies and independent contributors. It has friendly documentation here, in this README we will just touch on how to compile and test the code.

Compiling and Testing

First Run

A good first run is to compile the repo and run every test.

 ./pants compile test src:: test::

Targets and BUILD files

Targets are adressable project or dependency level modules that can be built by Pants.

BUILD
files are configuration files that define targets that can be built by Pants. Each target has a name and can be built by running a Pants task against the target's name and location.

For example, Fsq.io's JVM projects live under

src/jvm
here. You can compile Rogue by running:
 ./pants compile src/jvm/io/fsq/rogue:rogue

Build and Test every project

Adding a

::
to a path will glob every target under that location. So to compile every target in Fsq.io:
 ./pants compile src::

Similarly, to run all the tests, (after starting the mongodb server):

./pants test test::

Projects aspirationally have READMEs at the project root.

Acknowledgements

  • Thanks to the great community supporting Pants.
  • Fsq.io is split from commits to our internal monorepo by Sapling, a git porcelain tool by @jsirois.

Discussion

Please open an issue if you have any questions or concerns.

License

Apache License, Version 2.0 (Apache-2.0)

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