{ pkgs ? import (fetchTarball { name = "nixpkgs-21-05"; url = "https://github.com/NixOS/nixpkgs/archive/7e9b0dff974c89e070da1ad85713ff3c20b0ca97.tar.gz"; sha256 = "1ckzhh24mgz6jd1xhfgx0i9mijk6xjqxwsshnvq789xsavrmsc36"; }) {}, baseConfig ? import ./config.nix, baseSkipServices ? [], }: rec { config = baseConfig // { redisListenPath = "${config.runDir}/redis"; }; skipServices = baseSkipServices ++ ( if baseConfig.staticProxyURL == "" then [ "static" ] else [] ); static = (import ./static) { inherit pkgs; }; srv = pkgs.callPackage (import ./srv) { inherit config; staticBuild=static.build; }; srvBin = srv.bin; redisCfg = pkgs.writeText "mediocre-blog-redisCfg" '' port 0 unixsocket ${config.redisListenPath} daemonize no loglevel notice logfile "" appendonly yes appendfilename "appendonly.aof" dir ${config.dataDir}/redis ''; redisBin = pkgs.writeScript "mediocre-blog-redisBin" '' #!/bin/sh mkdir -p ${config.dataDir}/redis exec ${pkgs.redis}/bin/redis-server ${redisCfg} ''; srvCircusCfg = '' [watcher:srv] cmd = ${srv.bin} numprocesses = 1 ''; redisCircusCfg = '' [watcher:redis] cmd = ${redisBin} numprocesses = 1 ''; staticCircusCfg = '' [watcher:static] cmd = ${static.serve}/bin/static-serve numprocesses = 1 working_dir = ./static ''; circusCfg = pkgs.writeText "mediocre-blog-circusCfg" '' [circus] endpoint = tcp://127.0.0.1:0 pubsub_endpoint = tcp://127.0.0.1:0 ${if (!builtins.elem "srv" skipServices) then srvCircusCfg else ""} ${if (!builtins.elem "redis" skipServices) then redisCircusCfg else ""} ${if (!builtins.elem "static" skipServices) then staticCircusCfg else ""} ''; entrypoint = pkgs.writeScript "mediocre-blog-entrypoint" '' #!/bin/sh set -e if [ ! -d ${config.runDir} ]; then mkdir -p ${config.runDir} fi mkdir -p ${config.dataDir} exec ${pkgs.circus}/bin/circusd ${circusCfg} ''; service = pkgs.writeText "mediocre-blog" '' [Unit] Description=mediocregopher mediocre blog Requires=network.target After=network.target [Service] Restart=always RestartSec=1s User=mediocregopher Group=mediocregopher RuntimeDirectory=mediocre-blog ExecStart=${entrypoint} [Install] WantedBy=multi-user.target ''; install = pkgs.writeScript "mediocre-blog" '' set -e -x sudo cp ${service} /etc/systemd/system/mediocregopher-mediocre-blog.service sudo systemctl daemon-reload sudo systemctl enable mediocregopher-mediocre-blog.service sudo systemctl restart mediocregopher-mediocre-blog.service ''; }