commit 42568a9c2fcdbba056a1667a83d20a40f41daf4b · dunkirk.sh/dots

+24

machines/terebithia/default.nix

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             file = ../../secrets/hn-alerts.age;

     

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             owner = "hn-alerts";

     

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           };

     

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           emojibot = {

     

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             file = ../../secrets/emojibot.age;

     

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             owner = "emojibot";

     

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           };

     

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           cloudflare = {

     

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             file = ../../secrets/cloudflare.age;

     

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             owner = "caddy";

     
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               }

     

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             '';

     

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           };

     

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           virtualHosts."emojibot.dunkirk.sh" = {

     

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             extraConfig = ''

     

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               tls {

     

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                 dns cloudflare {env.CLOUDFLARE_API_TOKEN}

     

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               }

     

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               header {

     

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                 Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"

     

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               }

     

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               reverse_proxy localhost:3002 {

     

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                 header_up X-Forwarded-Proto {scheme}

     

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                 header_up X-Forwarded-For {remote}

     

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               }

     

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             '';

     

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           };

     

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           extraConfig = ''

     

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             # Default response for unhandled domains

     

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             :80 {

     
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           enable = true;

     

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           domain = "hn.dunkirk.sh";

     

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           secretsFile = config.age.secrets.hn-alerts.path;

     

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         };

     

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       +
       

     

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         atelier.services.emojibot = {

     

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           enable = true;

     

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           domain = "emojibot.dunkirk.sh";

     

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           secretsFile = config.age.secrets.emojibot.path;

     

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         };

     

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         services.tangled.knot = {

+139

modules/nixos/services/emojibot.nix

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       {

     

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         config,

     

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         lib,

     

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         pkgs,

     

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         ...

     

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       }:

     

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       let

     

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         cfg = config.atelier.services.emojibot;

     

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       in

     

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       {

     

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         options.atelier.services.emojibot = {

     

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           enable = lib.mkEnableOption "Emojibot Slack emoji management service";

     

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       +
       

     

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           domain = lib.mkOption {

     

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             type = lib.types.str;

     

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             description = "Domain to serve emojibot on";

     

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           };

     

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           port = lib.mkOption {

     

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             type = lib.types.port;

     

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             default = 3002;

     

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             description = "Port to run emojibot on";

     

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           };

     

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           dataDir = lib.mkOption {

     

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             type = lib.types.path;

     

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             default = "/var/lib/emojibot";

     

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             description = "Directory to store emojibot data";

     

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           };

     

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       +
       

     

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           secretsFile = lib.mkOption {

     

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             type = lib.types.path;

     

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             description = ''

     

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               Path to secrets file containing:

     

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               - SLACK_SIGNING_SECRET

     

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               - SLACK_BOT_TOKEN

     

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               - SLACK_APP_TOKEN

     

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               - SLACK_BOT_USER_TOKEN (get from browser, see emojibot README)

     

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               - SLACK_COOKIE (get from browser, see emojibot README)

     

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               - SLACK_WORKSPACE (e.g. "myworkspace" for myworkspace.slack.com)

     

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               - SLACK_CHANNEL (channel ID where emojis are posted)

     

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               - ADMINS (comma-separated list of slack user IDs)

     

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             '';

     

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           };

     

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       +
       

     

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           repository = lib.mkOption {

     

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             type = lib.types.str;

     

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             default = "https://github.com/taciturnaxolotl/emojibot.git";

     

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             description = "Git repository URL (optional, for auto-deployment)";

     

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           };

     

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           autoUpdate = lib.mkEnableOption "Automatically git pull on service restart";

     

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         };

     

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       +
       

     

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         config = lib.mkIf cfg.enable {

     

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           users.groups.services = { };

     

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           users.users.emojibot = {

     

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             isSystemUser = true;

     

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             group = "emojibot";

     

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             extraGroups = [ "services" ];

     

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             home = cfg.dataDir;

     

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             createHome = true;

     

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             shell = pkgs.bash;

     

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           };

     

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           users.groups.emojibot = { };

     

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       +
       

     

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           security.sudo.extraRules = [

     

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             {

     

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               users = [ "emojibot" ];

     

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               commands = [

     

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                 {

     

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                   command = "/run/current-system/sw/bin/systemctl restart emojibot.service";

     

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                   options = [ "NOPASSWD" ];

     

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                 }

     

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               ];

     

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             }

     

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           ];

     

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           systemd.services.emojibot = {

     

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             description = "Emojibot Slack emoji management service";

     

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             wantedBy = [ "multi-user.target" ];

     

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             after = [ "network.target" ];

     

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             path = [ pkgs.git ];

     

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             preStart = ''

     

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               if [ ! -d ${cfg.dataDir}/app/.git ]; then

     

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                 ${pkgs.git}/bin/git clone ${cfg.repository} ${cfg.dataDir}/app

     

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               fi

     

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               cd ${cfg.dataDir}/app

     

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             '' + lib.optionalString cfg.autoUpdate ''

     

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               ${pkgs.git}/bin/git pull

     

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             '' + ''

     

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               if [ ! -f src/index.ts ]; then

     

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                 echo "No code found at ${cfg.dataDir}/app/src/index.ts"

     

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                 exit 1

     

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               fi

     

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       +
               

     

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               echo "Installing dependencies..."

     

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               ${pkgs.unstable.bun}/bin/bun install

     

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             '';

     

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             serviceConfig = {

     

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               Type = "simple";

     

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               User = "emojibot";

     

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               Group = "emojibot";

     

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               EnvironmentFile = cfg.secretsFile;

     

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               Environment = [

     

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                 "NODE_ENV=production"

     

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                 "PORT=${toString cfg.port}"

     

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               ];

     

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               ExecStart = "${pkgs.bash}/bin/bash -c 'cd ${cfg.dataDir}/app && ${pkgs.unstable.bun}/bin/bun run src/index.ts'";

     

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               Restart = "always";

     

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               RestartSec = "10s";

     

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             };

     

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             serviceConfig.ExecStartPre = [

     

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               "+${pkgs.writeShellScript "emojibot-setup" ''

     

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                 mkdir -p ${cfg.dataDir}/app

     

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                 chown -R emojibot:services ${cfg.dataDir}

     

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                 chmod -R g+rwX ${cfg.dataDir}

     

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               ''}"

     

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             ];

     

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           };

     

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           services.caddy.virtualHosts.${cfg.domain} = {

     

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             extraConfig = ''

     

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               tls {

     

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                 dns cloudflare {env.CLOUDFLARE_API_TOKEN}

     

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               }

     

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               reverse_proxy localhost:${toString cfg.port}

     

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             '';

     

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           };

     

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         };

     

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       }

secrets/emojibot.age

This is a binary file and will not be displayed.

secrets/secrets.nix

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         "github-knot-sync.age".publicKeys = [

     

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           kierank

     

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         ];

     

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         "emojibot.age".publicKeys = [

     

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           kierank

     

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         ];

     

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       }