nixpkgs/nixos/modules/services/misc/redmine.nix
2020-05-25 09:22:54 +02:00

396 lines
13 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib) mkDefault mkEnableOption mkIf mkOption types;
inherit (lib) concatStringsSep literalExample mapAttrsToList;
inherit (lib) optional optionalAttrs optionalString singleton versionAtLeast;
cfg = config.services.redmine;
bundle = "${cfg.package}/share/redmine/bin/bundle";
databaseYml = pkgs.writeText "database.yml" ''
production:
adapter: ${cfg.database.type}
database: ${cfg.database.name}
host: ${if (cfg.database.type == "postgresql" && cfg.database.socket != null) then cfg.database.socket else cfg.database.host}
port: ${toString cfg.database.port}
username: ${cfg.database.user}
password: #dbpass#
${optionalString (cfg.database.type == "mysql2" && cfg.database.socket != null) "socket: ${cfg.database.socket}"}
'';
configurationYml = pkgs.writeText "configuration.yml" ''
default:
scm_subversion_command: ${pkgs.subversion}/bin/svn
scm_mercurial_command: ${pkgs.mercurial}/bin/hg
scm_git_command: ${pkgs.gitAndTools.git}/bin/git
scm_cvs_command: ${pkgs.cvs}/bin/cvs
scm_bazaar_command: ${pkgs.breezy}/bin/bzr
scm_darcs_command: ${pkgs.darcs}/bin/darcs
${cfg.extraConfig}
'';
additionalEnvironment = pkgs.writeText "additional_environment.rb" ''
config.logger = Logger.new("${cfg.stateDir}/log/production.log", 14, 1048576)
config.logger.level = Logger::INFO
${cfg.extraEnv}
'';
unpackTheme = unpack "theme";
unpackPlugin = unpack "plugin";
unpack = id: (name: source:
pkgs.stdenv.mkDerivation {
name = "redmine-${id}-${name}";
buildInputs = [ pkgs.unzip ];
buildCommand = ''
mkdir -p $out
cd $out
unpackFile ${source}
'';
});
mysqlLocal = cfg.database.createLocally && cfg.database.type == "mysql2";
pgsqlLocal = cfg.database.createLocally && cfg.database.type == "postgresql";
in
{
options = {
services.redmine = {
enable = mkEnableOption "Redmine";
package = mkOption {
type = types.package;
default = pkgs.redmine;
description = "Which Redmine package to use.";
example = "pkgs.redmine.override { ruby = pkgs.ruby_2_7; }";
};
user = mkOption {
type = types.str;
default = "redmine";
description = "User under which Redmine is ran.";
};
group = mkOption {
type = types.str;
default = "redmine";
description = "Group under which Redmine is ran.";
};
port = mkOption {
type = types.int;
default = 3000;
description = "Port on which Redmine is ran.";
};
stateDir = mkOption {
type = types.str;
default = "/var/lib/redmine";
description = "The state directory, logs and plugins are stored here.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Extra configuration in configuration.yml.
See <link xlink:href="https://guides.rubyonrails.org/action_mailer_basics.html#action-mailer-configuration"/>
for details.
'';
example = literalExample ''
email_delivery:
delivery_method: smtp
smtp_settings:
address: mail.example.com
port: 25
'';
};
extraEnv = mkOption {
type = types.lines;
default = "";
description = ''
Extra configuration in additional_environment.rb.
See <link xlink:href="https://svn.redmine.org/redmine/trunk/config/additional_environment.rb.example"/>
for details.
'';
example = literalExample ''
config.logger.level = Logger::DEBUG
'';
};
themes = mkOption {
type = types.attrsOf types.path;
default = {};
description = "Set of themes.";
example = literalExample ''
{
dkuk-redmine_alex_skin = builtins.fetchurl {
url = "https://bitbucket.org/dkuk/redmine_alex_skin/get/1842ef675ef3.zip";
sha256 = "0hrin9lzyi50k4w2bd2b30vrf1i4fi1c0gyas5801wn8i7kpm9yl";
};
}
'';
};
plugins = mkOption {
type = types.attrsOf types.path;
default = {};
description = "Set of plugins.";
example = literalExample ''
{
redmine_env_auth = builtins.fetchurl {
url = "https://github.com/Intera/redmine_env_auth/archive/0.6.zip";
sha256 = "0yyr1yjd8gvvh832wdc8m3xfnhhxzk2pk3gm2psg5w9jdvd6skak";
};
}
'';
};
database = {
type = mkOption {
type = types.enum [ "mysql2" "postgresql" ];
example = "postgresql";
default = "mysql2";
description = "Database engine to use.";
};
host = mkOption {
type = types.str;
default = "localhost";
description = "Database host address.";
};
port = mkOption {
type = types.int;
default = if cfg.database.type == "postgresql" then 5432 else 3306;
defaultText = "3306";
description = "Database host port.";
};
name = mkOption {
type = types.str;
default = "redmine";
description = "Database name.";
};
user = mkOption {
type = types.str;
default = "redmine";
description = "Database user.";
};
password = mkOption {
type = types.str;
default = "";
description = ''
The password corresponding to <option>database.user</option>.
Warning: this is stored in cleartext in the Nix store!
Use <option>database.passwordFile</option> instead.
'';
};
passwordFile = mkOption {
type = types.nullOr types.path;
default = null;
example = "/run/keys/redmine-dbpassword";
description = ''
A file containing the password corresponding to
<option>database.user</option>.
'';
};
socket = mkOption {
type = types.nullOr types.path;
default =
if mysqlLocal then "/run/mysqld/mysqld.sock"
else if pgsqlLocal then "/run/postgresql"
else null;
defaultText = "/run/mysqld/mysqld.sock";
example = "/run/mysqld/mysqld.sock";
description = "Path to the unix socket file to use for authentication.";
};
createLocally = mkOption {
type = types.bool;
default = true;
description = "Create the database and database user locally.";
};
};
};
};
config = mkIf cfg.enable {
assertions = [
{ assertion = cfg.database.passwordFile != null || cfg.database.password != "" || cfg.database.socket != null;
message = "one of services.redmine.database.socket, services.redmine.database.passwordFile, or services.redmine.database.password must be set";
}
{ assertion = cfg.database.createLocally -> cfg.database.user == cfg.user;
message = "services.redmine.database.user must be set to ${cfg.user} if services.redmine.database.createLocally is set true";
}
{ assertion = cfg.database.createLocally -> cfg.database.socket != null;
message = "services.redmine.database.socket must be set if services.redmine.database.createLocally is set to true";
}
{ assertion = cfg.database.createLocally -> cfg.database.host == "localhost";
message = "services.redmine.database.host must be set to localhost if services.redmine.database.createLocally is set to true";
}
];
services.mysql = mkIf mysqlLocal {
enable = true;
package = mkDefault pkgs.mariadb;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [
{ name = cfg.database.user;
ensurePermissions = { "${cfg.database.name}.*" = "ALL PRIVILEGES"; };
}
];
};
services.postgresql = mkIf pgsqlLocal {
enable = true;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [
{ name = cfg.database.user;
ensurePermissions = { "DATABASE ${cfg.database.name}" = "ALL PRIVILEGES"; };
}
];
};
# create symlinks for the basic directory layout the redmine package expects
systemd.tmpfiles.rules = [
"d '${cfg.stateDir}' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/cache' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/config' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/files' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/log' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/plugins' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/public' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/public/plugin_assets' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/public/themes' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.stateDir}/tmp' 0750 ${cfg.user} ${cfg.group} - -"
"d /run/redmine - - - - -"
"d /run/redmine/public - - - - -"
"L+ /run/redmine/config - - - - ${cfg.stateDir}/config"
"L+ /run/redmine/files - - - - ${cfg.stateDir}/files"
"L+ /run/redmine/log - - - - ${cfg.stateDir}/log"
"L+ /run/redmine/plugins - - - - ${cfg.stateDir}/plugins"
"L+ /run/redmine/public/plugin_assets - - - - ${cfg.stateDir}/public/plugin_assets"
"L+ /run/redmine/public/themes - - - - ${cfg.stateDir}/public/themes"
"L+ /run/redmine/tmp - - - - ${cfg.stateDir}/tmp"
];
systemd.services.redmine = {
after = [ "network.target" ] ++ optional mysqlLocal "mysql.service" ++ optional pgsqlLocal "postgresql.service";
wantedBy = [ "multi-user.target" ];
environment.RAILS_ENV = "production";
environment.RAILS_CACHE = "${cfg.stateDir}/cache";
environment.REDMINE_LANG = "en";
environment.SCHEMA = "${cfg.stateDir}/cache/schema.db";
path = with pkgs; [
imagemagick
breezy
cvs
darcs
gitAndTools.git
mercurial
subversion
];
preStart = ''
rm -rf "${cfg.stateDir}/plugins/"*
rm -rf "${cfg.stateDir}/public/themes/"*
# start with a fresh config directory
# the config directory is copied instead of linked as some mutable data is stored in there
find "${cfg.stateDir}/config" ! -name "secret_token.rb" -type f -exec rm -f {} +
cp -r ${cfg.package}/share/redmine/config.dist/* "${cfg.stateDir}/config/"
chmod -R u+w "${cfg.stateDir}/config"
# link in the application configuration
ln -fs ${configurationYml} "${cfg.stateDir}/config/configuration.yml"
# link in the additional environment configuration
ln -fs ${additionalEnvironment} "${cfg.stateDir}/config/additional_environment.rb"
# link in all user specified themes
for theme in ${concatStringsSep " " (mapAttrsToList unpackTheme cfg.themes)}; do
ln -fs $theme/* "${cfg.stateDir}/public/themes"
done
# link in redmine provided themes
ln -sf ${cfg.package}/share/redmine/public/themes.dist/* "${cfg.stateDir}/public/themes/"
# link in all user specified plugins
for plugin in ${concatStringsSep " " (mapAttrsToList unpackPlugin cfg.plugins)}; do
ln -fs $plugin/* "${cfg.stateDir}/plugins/''${plugin##*-redmine-plugin-}"
done
# handle database.passwordFile & permissions
DBPASS=$(head -n1 ${cfg.database.passwordFile})
cp -f ${databaseYml} "${cfg.stateDir}/config/database.yml"
sed -e "s,#dbpass#,$DBPASS,g" -i "${cfg.stateDir}/config/database.yml"
chmod 440 "${cfg.stateDir}/config/database.yml"
# generate a secret token if required
if ! test -e "${cfg.stateDir}/config/initializers/secret_token.rb"; then
${bundle} exec rake generate_secret_token
chmod 440 "${cfg.stateDir}/config/initializers/secret_token.rb"
fi
# execute redmine required commands prior to starting the application
${bundle} exec rake db:migrate
${bundle} exec rake redmine:plugins:migrate
${bundle} exec rake redmine:load_default_data
'';
serviceConfig = {
Type = "simple";
User = cfg.user;
Group = cfg.group;
TimeoutSec = "300";
WorkingDirectory = "${cfg.package}/share/redmine";
ExecStart="${bundle} exec rails server webrick -e production -p ${toString cfg.port} -P '${cfg.stateDir}/redmine.pid'";
};
};
users.users = optionalAttrs (cfg.user == "redmine") {
redmine = {
group = cfg.group;
home = cfg.stateDir;
uid = config.ids.uids.redmine;
};
};
users.groups = optionalAttrs (cfg.group == "redmine") {
redmine.gid = config.ids.gids.redmine;
};
warnings = optional (cfg.database.password != "")
''config.services.redmine.database.password will be stored as plaintext
in the Nix store. Use database.passwordFile instead.'';
# Create database passwordFile default when password is configured.
services.redmine.database.passwordFile =
(mkDefault (toString (pkgs.writeTextFile {
name = "redmine-database-password";
text = cfg.database.password;
})));
};
}