From d42bbbe6f510fce233ecb66d44d205761390b56e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Fri, 10 May 2019 14:21:26 +0200
Subject: Move Peertube configuration to modules

---
 modules/default.nix                        |   1 +
 modules/myids.nix                          |   2 +
 modules/webapps/peertube.nix               | 100 +++++++++++++++++++++++++++++
 nixops/modules/websites/tools/peertube.nix |  81 +++++------------------
 4 files changed, 119 insertions(+), 65 deletions(-)
 create mode 100644 modules/webapps/peertube.nix

diff --git a/modules/default.nix b/modules/default.nix
index 3cc4149..fa67144 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -2,4 +2,5 @@
   myids = ./myids.nix;
 
   mediagoblin = ./webapps/mediagoblin.nix;
+  peertube = ./webapps/peertube.nix;
 }
diff --git a/modules/myids.nix b/modules/myids.nix
index a3e5879..bd6caf3 100644
--- a/modules/myids.nix
+++ b/modules/myids.nix
@@ -2,9 +2,11 @@
 {
   config = {
     ids.uids = {
+      peertube = 394;
       mediagoblin = 397;
     };
     ids.gids = {
+      peertube = 394;
       mediagoblin = 397;
     };
   };
diff --git a/modules/webapps/peertube.nix b/modules/webapps/peertube.nix
new file mode 100644
index 0000000..7c96076
--- /dev/null
+++ b/modules/webapps/peertube.nix
@@ -0,0 +1,100 @@
+{ lib, pkgs, config, ... }:
+let
+  name = "peertube";
+  cfg = config.services.peertube;
+
+  uid = config.ids.uids.peertube;
+  gid = config.ids.gids.peertube;
+in
+{
+  options.services.peertube = {
+    enable = lib.mkEnableOption "Enable Peertube’s service";
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "User account under which Peertube runs";
+    };
+    group = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "Group under which Peertube runs";
+    };
+    dataDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/var/lib/${name}";
+      description = ''
+        The directory where Peertube stores its data.
+      '';
+    };
+    configFile = lib.mkOption {
+      type = lib.types.path;
+      description = ''
+        The configuration file path for Peertube.
+        '';
+    };
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.webapps.peertube;
+      description = ''
+        Peertube package to use.
+        '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users = lib.optionalAttrs (cfg.user == name) (lib.singleton {
+      inherit name;
+      inherit uid;
+      group = cfg.group;
+      description = "Peertube user";
+      home = cfg.dataDir;
+      useDefaultShell = true;
+    });
+    users.groups = lib.optionalAttrs (cfg.group == name) (lib.singleton {
+      inherit name;
+      inherit gid;
+    });
+
+    systemd.services.peertube = {
+      description = "Peertube";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" "postgresql.service" ];
+      wants = [ "postgresql.service" ];
+
+      environment.NODE_CONFIG_DIR = "${cfg.dataDir}/config";
+      environment.NODE_ENV = "production";
+      environment.HOME = cfg.package;
+
+      path = [ pkgs.nodejs pkgs.bashInteractive pkgs.ffmpeg pkgs.openssl ];
+
+      script = ''
+        exec npm run start
+      '';
+
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        WorkingDirectory = cfg.package;
+        PrivateTmp = true;
+        ProtectHome = true;
+        ProtectControlGroups = true;
+        Restart = "always";
+        Type = "simple";
+        TimeoutSec = 60;
+      };
+
+      unitConfig.RequiresMountsFor = cfg.dataDir;
+    };
+
+    system.activationScripts.peertube = {
+      deps = [ "users" ];
+      text = ''
+      install -m 0750 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
+      install -m 0750 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}/config
+      ln -sf ${cfg.configFile} ${cfg.dataDir}/config/production.yaml
+      '';
+    };
+
+  };
+}
+
diff --git a/nixops/modules/websites/tools/peertube.nix b/nixops/modules/websites/tools/peertube.nix
index 813df25..9a56a85 100644
--- a/nixops/modules/websites/tools/peertube.nix
+++ b/nixops/modules/websites/tools/peertube.nix
@@ -1,60 +1,20 @@
 { lib, pkgs, config, myconfig, mylibs, ... }:
 let
-  peertube = pkgs.webapps.peertube.override { ldap = true; };
-  varDir = "/var/lib/peertube";
   env = myconfig.env.tools.peertube;
   cfg = config.services.myWebsites.tools.peertube;
+  pcfg = config.services.peertube;
 in {
   options.services.myWebsites.tools.peertube = {
     enable = lib.mkEnableOption "enable Peertube's website";
   };
 
   config = lib.mkIf cfg.enable {
-    ids.uids.peertube = env.user.uid;
-    ids.gids.peertube = env.user.gid;
-
-    users.users.peertube = {
-      name = "peertube";
-      uid = config.ids.uids.peertube;
-      group = "peertube";
-      description = "Peertube user";
-      home = varDir;
-      useDefaultShell = true;
-      extraGroups = [ "keys" ];
-    };
-
-    users.groups.peertube.gid = config.ids.gids.peertube;
-
-    systemd.services.peertube = {
-      description = "Peertube";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" "postgresql.service" ];
-      wants = [ "postgresql.service" ];
-
-      environment.NODE_CONFIG_DIR = "${varDir}/config";
-      environment.NODE_ENV = "production";
-      environment.HOME = peertube;
-
-      path = [ pkgs.nodejs pkgs.bashInteractive pkgs.ffmpeg pkgs.openssl ];
-
-      script = ''
-        exec npm run start
-      '';
-
-      serviceConfig = {
-        User = "peertube";
-        Group = "peertube";
-        WorkingDirectory = peertube;
-        PrivateTmp = true;
-        ProtectHome = true;
-        ProtectControlGroups = true;
-        Restart = "always";
-        Type = "simple";
-        TimeoutSec = 60;
-      };
-
-      unitConfig.RequiresMountsFor = varDir;
+    services.peertube = {
+      enable = true;
+      configFile = "/var/secrets/webapps/tools-peertube";
+      package = pkgs.webapps.peertube.override { ldap = true; };
     };
+    users.users.peertube.extraGroups = [ "keys" ];
 
     mySecrets.keys = [{
       dest = "webapps/tools-peertube";
@@ -104,16 +64,16 @@ in {
           ca_file: null # Used for self signed certificates
           from_address: 'peertube@tools.immae.eu'
         storage:
-          tmp: '${varDir}/storage/tmp/'
-          avatars: '${varDir}/storage/avatars/'
-          videos: '${varDir}/storage/videos/'
-          redundancy: '${varDir}/storage/videos/'
-          logs: '${varDir}/storage/logs/'
-          previews: '${varDir}/storage/previews/'
-          thumbnails: '${varDir}/storage/thumbnails/'
-          torrents: '${varDir}/storage/torrents/'
-          captions: '${varDir}/storage/captions/'
-          cache: '${varDir}/storage/cache/'
+          tmp: '${pcfg.dataDir}/storage/tmp/'
+          avatars: '${pcfg.dataDir}/storage/avatars/'
+          videos: '${pcfg.dataDir}/storage/videos/'
+          redundancy: '${pcfg.dataDir}/storage/videos/'
+          logs: '${pcfg.dataDir}/storage/logs/'
+          previews: '${pcfg.dataDir}/storage/previews/'
+          thumbnails: '${pcfg.dataDir}/storage/thumbnails/'
+          torrents: '${pcfg.dataDir}/storage/torrents/'
+          captions: '${pcfg.dataDir}/storage/captions/'
+          cache: '${pcfg.dataDir}/storage/cache/'
         log:
           level: 'info'
         search:
@@ -190,15 +150,6 @@ in {
         '';
     }];
 
-    system.activationScripts.peertube = {
-      deps = [ "users" ];
-      text = ''
-        install -m 0750 -o peertube -g peertube -d ${varDir}
-        install -m 0750 -o peertube -g peertube -d ${varDir}/config
-        ln -sf /var/secrets/webapps/tools-peertube ${varDir}/config/production.yaml
-        '';
-    };
-
     services.myWebsites.tools.modules = [
       "headers" "proxy" "proxy_http" "proxy_wstunnel"
     ];
-- 
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