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Provides us with following benefits: - use `runtimeInputs` instead of manually exporting `PATH` - get shellcheck by default --------- Co-authored-by: Sridhar Ratnakumar <3998+srid@users.noreply.github.com>
95 lines
2.5 KiB
Nix
95 lines
2.5 KiB
Nix
# Based on https://github.com/cachix/devenv/blob/main/src/modules/services/redis.nix
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{ pkgs, lib, name, config, ... }:
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let
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inherit (lib) types;
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in
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{
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options = {
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enable = lib.mkEnableOption name;
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package = lib.mkPackageOption pkgs "redis" { };
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dataDir = lib.mkOption {
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type = types.str;
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default = "./data/${name}";
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description = "The redis data directory";
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};
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bind = lib.mkOption {
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type = types.nullOr types.str;
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default = "127.0.0.1";
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description = ''
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The IP interface to bind to.
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`null` means "all interfaces".
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'';
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example = "127.0.0.1";
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};
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port = lib.mkOption {
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type = types.port;
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default = 6379;
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description = ''
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The TCP port to accept connections.
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If port is set to `0`, redis will not listen on a TCP socket.
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'';
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};
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extraConfig = lib.mkOption {
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type = types.lines;
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default = "";
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description = "Additional text to be appended to `redis.conf`.";
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};
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outputs.settings = lib.mkOption {
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type = types.deferredModule;
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internal = true;
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readOnly = true;
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default = {
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processes = {
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"${name}" =
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let
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redisConfig = pkgs.writeText "redis.conf" ''
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port ${toString config.port}
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${lib.optionalString (config.bind != null) "bind ${config.bind}"}
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${config.extraConfig}
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'';
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startScript = pkgs.writeShellApplication {
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name = "start-redis";
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runtimeInputs = [ pkgs.coreutils config.package ];
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text = ''
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set -euo pipefail
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export REDISDATA=${config.dataDir}
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if [[ ! -d "$REDISDATA" ]]; then
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mkdir -p "$REDISDATA"
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fi
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exec redis-server ${redisConfig} --dir "$REDISDATA"
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'';
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};
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in
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{
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command = startScript;
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readiness_probe = {
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exec.command = "${config.package}/bin/redis-cli -p ${toString config.port} ping";
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initial_delay_seconds = 2;
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period_seconds = 10;
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timeout_seconds = 4;
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success_threshold = 1;
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failure_threshold = 5;
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};
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namespace = name;
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# https://github.com/F1bonacc1/process-compose#-auto-restart-if-not-healthy
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availability.restart = "on_failure";
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};
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};
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};
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};
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};
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}
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