diff options
Diffstat (limited to 'flake.nix')
| -rw-r--r-- | flake.nix | 53 |
1 files changed, 38 insertions, 15 deletions
diff --git a/flake.nix b/flake.nix index 7351571e61..8d2bf779bd 100644 --- a/flake.nix +++ b/flake.nix @@ -1,35 +1,30 @@ -# A nix flake that sets up a complete Synapse development environment. Dependencies +# A Nix flake that sets up a complete Synapse development environment. Dependencies # for the SyTest (https://github.com/matrix-org/sytest) and Complement # (https://github.com/matrix-org/complement) Matrix homeserver test suites are also # installed automatically. # -# You must have already installed nix (https://nixos.org) on your system to use this. -# nix can be installed on Linux or MacOS; NixOS is not required. Windows is not -# directly supported, but nix can be installed inside of WSL2 or even Docker +# You must have already installed Nix (https://nixos.org) on your system to use this. +# Nix can be installed on Linux or MacOS; NixOS is not required. Windows is not +# directly supported, but Nix can be installed inside of WSL2 or even Docker # containers. Please refer to https://nixos.org/download for details. # # You must also enable support for flakes in Nix. See the following for how to # do so permanently: https://nixos.wiki/wiki/Flakes#Enable_flakes # +# Be warned: you'll need over 3.75 GB of free space to download all the dependencies. +# # Usage: # -# With nix installed, navigate to the directory containing this flake and run +# With Nix installed, navigate to the directory containing this flake and run # `nix develop --impure`. The `--impure` is necessary in order to store state # locally from "services", such as PostgreSQL and Redis. # # You should now be dropped into a new shell with all programs and dependencies # availabile to you! # -# You can start up pre-configured, local PostgreSQL and Redis instances by +# You can start up pre-configured local Synapse, PostgreSQL and Redis instances by # running: `devenv up`. To stop them, use Ctrl-C. # -# A PostgreSQL database called 'synapse' will be set up for you, along with -# a PostgreSQL user named 'synapse_user'. -# The 'host' can be found by running `echo $PGHOST` with the development -# shell activated. Use these values to configure your Synapse to connect -# to the local PostgreSQL database. You do not need to specify a password. -# https://matrix-org.github.io/synapse/latest/postgres -# # All state (the venv, postgres and redis data and config) are stored in # .devenv/state. Deleting a file from here and then re-entering the shell # will recreate these files from scratch. @@ -66,7 +61,7 @@ let pkgs = nixpkgs.legacyPackages.${system}; in { - # Everything is configured via devenv - a nix module for creating declarative + # Everything is configured via devenv - a Nix module for creating declarative # developer environments. See https://devenv.sh/reference/options/ for a list # of all possible options. default = devenv.lib.mkShell { @@ -153,11 +148,39 @@ # Redis is needed in order to run Synapse in worker mode. services.redis.enable = true; + # Configure and start Synapse. Before starting Synapse, this shell code: + # * generates a default homeserver.yaml config file if one does not exist, and + # * ensures a directory containing two additional homeserver config files exists; + # one to configure using the development environment's PostgreSQL as the + # database backend and another for enabling Redis support. + process.before = '' + python -m synapse.app.homeserver -c homeserver.yaml --generate-config --server-name=synapse.dev --report-stats=no + mkdir -p homeserver-config-overrides.d + cat > homeserver-config-overrides.d/database.yaml << EOF + ## Do not edit this file. This file is generated by flake.nix + database: + name: psycopg2 + args: + user: synapse_user + database: synapse + host: $PGHOST + cp_min: 5 + cp_max: 10 + EOF + cat > homeserver-config-overrides.d/redis.yaml << EOF + ## Do not edit this file. This file is generated by flake.nix + redis: + enabled: true + EOF + ''; + # Start synapse when `devenv up` is run. + processes.synapse.exec = "poetry run python -m synapse.app.homeserver -c homeserver.yaml --config-directory homeserver-config-overrides.d"; + # Define the perl modules we require to run SyTest. # # This list was compiled by cross-referencing https://metacpan.org/ # with the modules defined in './cpanfile' and then finding the - # corresponding nix packages on https://search.nixos.org/packages. + # corresponding Nix packages on https://search.nixos.org/packages. # # This was done until `./install-deps.pl --dryrun` produced no output. env.PERL5LIB = "${with pkgs.perl536Packages; makePerlPath [ |