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nixfiles/modules/gitea/default.nix
clerie f8c47a55c7 Add patched gitea module
2021-01-06 22:00:52 +01:00

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.clerie.gitea;
gitea = cfg.package;
pg = config.services.postgresql;
useMysql = cfg.database.type == "mysql";
usePostgresql = cfg.database.type == "postgres";
useSqlite = cfg.database.type == "sqlite3";
configFile = pkgs.writeText "app.ini" ''
APP_NAME = ${cfg.appName}
RUN_USER = ${cfg.user}
RUN_MODE = prod
${generators.toINI {} cfg.settings}
${optionalString (cfg.extraConfig != null) cfg.extraConfig}
'';
in
{
options = {
clerie.gitea = {
enable = mkOption {
default = false;
type = types.bool;
description = "Enable Gitea Service.";
};
package = mkOption {
default = pkgs.gitea;
type = types.package;
defaultText = "pkgs.gitea";
description = "gitea derivation to use";
};
useWizard = mkOption {
default = false;
type = types.bool;
description = "Do not generate a configuration and use gitea' installation wizard instead. The first registered user will be administrator.";
};
stateDir = mkOption {
default = "/var/lib/gitea";
type = types.str;
description = "gitea data directory.";
};
log = {
rootPath = mkOption {
default = "${cfg.stateDir}/log";
type = types.str;
description = "Root path for log files.";
};
level = mkOption {
default = "Trace";
type = types.enum [ "Trace" "Debug" "Info" "Warn" "Error" "Critical" ];
description = "General log level.";
};
};
user = mkOption {
type = types.str;
default = "gitea";
description = "User account under which gitea runs.";
};
database = {
type = mkOption {
type = types.enum [ "sqlite3" "mysql" "postgres" ];
example = "mysql";
default = "sqlite3";
description = "Database engine to use.";
};
host = mkOption {
type = types.str;
default = "127.0.0.1";
description = "Database host address.";
};
port = mkOption {
type = types.int;
default = (if !usePostgresql then 3306 else pg.port);
description = "Database host port.";
};
name = mkOption {
type = types.str;
default = "gitea";
description = "Database name.";
};
user = mkOption {
type = types.str;
default = "gitea";
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/gitea-dbpassword";
description = ''
A file containing the password corresponding to
<option>database.user</option>.
'';
};
socket = mkOption {
type = types.nullOr types.path;
default = if (cfg.database.createDatabase && usePostgresql) then "/run/postgresql" else if (cfg.database.createDatabase && useMysql) then "/run/mysqld/mysqld.sock" else null;
defaultText = "null";
example = "/run/mysqld/mysqld.sock";
description = "Path to the unix socket file to use for authentication.";
};
path = mkOption {
type = types.str;
default = "${cfg.stateDir}/data/gitea.db";
description = "Path to the sqlite3 database file.";
};
createDatabase = mkOption {
type = types.bool;
default = true;
description = "Whether to create a local database automatically.";
};
};
dump = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable a timer that runs gitea dump to generate backup-files of the
current gitea database and repositories.
'';
};
interval = mkOption {
type = types.str;
default = "04:31";
example = "hourly";
description = ''
Run a gitea dump at this interval. Runs by default at 04:31 every day.
The format is described in
<citerefentry><refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>.
'';
};
backupDir = mkOption {
type = types.str;
default = "${cfg.stateDir}/dump";
description = "Path to the dump files.";
};
};
ssh = {
enable = mkOption {
type = types.bool;
default = true;
description = "Enable external SSH feature.";
};
clonePort = mkOption {
type = types.int;
default = 22;
example = 2222;
description = ''
SSH port displayed in clone URL.
The option is required to configure a service when the external visible port
differs from the local listening port i.e. if port forwarding is used.
'';
};
};
lfs = {
enable = mkOption {
type = types.bool;
default = false;
description = "Enables git-lfs support.";
};
contentDir = mkOption {
type = types.str;
default = "${cfg.stateDir}/data/lfs";
description = "Where to store LFS files.";
};
};
appName = mkOption {
type = types.str;
default = "gitea: Gitea Service";
description = "Application name.";
};
repositoryRoot = mkOption {
type = types.str;
default = "${cfg.stateDir}/repositories";
description = "Path to the git repositories.";
};
domain = mkOption {
type = types.str;
default = "localhost";
description = "Domain name of your server.";
};
rootUrl = mkOption {
type = types.str;
default = "http://localhost:3000/";
description = "Full public URL of gitea server.";
};
httpAddress = mkOption {
type = types.str;
default = "0.0.0.0";
description = "HTTP listen address.";
};
httpPort = mkOption {
type = types.int;
default = 3000;
description = "HTTP listen port.";
};
enableUnixSocket = mkOption {
type = types.bool;
default = false;
description = "Configure Gitea to listen on a unix socket instead of the default TCP port.";
};
cookieSecure = mkOption {
type = types.bool;
default = false;
description = ''
Marks session cookies as "secure" as a hint for browsers to only send
them via HTTPS. This option is recommend, if gitea is being served over HTTPS.
'';
};
staticRootPath = mkOption {
type = types.str;
default = "${gitea.data}";
example = "/var/lib/gitea/data";
description = "Upper level of template and static files path.";
};
mailerPasswordFile = mkOption {
type = types.nullOr types.str;
default = null;
example = "/var/lib/secrets/gitea/mailpw";
description = "Path to a file containing the SMTP password.";
};
disableRegistration = mkEnableOption "the registration lock" // {
description = ''
By default any user can create an account on this <literal>gitea</literal> instance.
This can be disabled by using this option.
<emphasis>Note:</emphasis> please keep in mind that this should be added after the initial
deploy unless <link linkend="opt-services.gitea.useWizard">services.gitea.useWizard</link>
is <literal>true</literal> as the first registered user will be the administrator if
no install wizard is used.
'';
};
settings = mkOption {
type = with types; attrsOf (attrsOf (oneOf [ bool int str ]));
default = {};
description = ''
Gitea configuration. Refer to <link xlink:href="https://docs.gitea.io/en-us/config-cheat-sheet/"/>
for details on supported values.
'';
example = literalExample ''
{
"cron.sync_external_users" = {
RUN_AT_START = true;
SCHEDULE = "@every 24h";
UPDATE_EXISTING = true;
};
mailer = {
ENABLED = true;
MAILER_TYPE = "sendmail";
FROM = "do-not-reply@example.org";
SENDMAIL_PATH = "${pkgs.system-sendmail}/bin/sendmail";
};
other = {
SHOW_FOOTER_VERSION = false;
};
}
'';
};
extraConfig = mkOption {
type = with types; nullOr str;
default = null;
description = "Configuration lines appended to the generated gitea configuration file.";
};
};
};
config = mkIf cfg.enable {
assertions = [
{ assertion = cfg.database.createDatabase -> cfg.database.user == cfg.user;
message = "services.gitea.database.user must match services.gitea.user if the database is to be automatically provisioned";
}
];
clerie.gitea.settings = {
database = mkMerge [
{
DB_TYPE = cfg.database.type;
}
(mkIf (useMysql || usePostgresql) {
HOST = if cfg.database.socket != null then cfg.database.socket else cfg.database.host + ":" + toString cfg.database.port;
NAME = cfg.database.name;
USER = cfg.database.user;
PASSWD = "#dbpass#";
})
(mkIf useSqlite {
PATH = cfg.database.path;
})
(mkIf usePostgresql {
SSL_MODE = "disable";
})
];
repository = {
ROOT = cfg.repositoryRoot;
};
server = mkMerge [
{
DOMAIN = cfg.domain;
STATIC_ROOT_PATH = cfg.staticRootPath;
LFS_JWT_SECRET = "#lfsjwtsecret#";
ROOT_URL = cfg.rootUrl;
}
(mkIf cfg.enableUnixSocket {
PROTOCOL = "unix";
HTTP_ADDR = "/run/gitea/gitea.sock";
})
(mkIf (!cfg.enableUnixSocket) {
HTTP_ADDR = cfg.httpAddress;
HTTP_PORT = cfg.httpPort;
})
(mkIf cfg.ssh.enable {
DISABLE_SSH = false;
SSH_PORT = cfg.ssh.clonePort;
})
(mkIf (!cfg.ssh.enable) {
DISABLE_SSH = true;
})
(mkIf cfg.lfs.enable {
LFS_START_SERVER = true;
LFS_CONTENT_PATH = cfg.lfs.contentDir;
})
];
session = {
COOKIE_NAME = "session";
COOKIE_SECURE = cfg.cookieSecure;
};
security = {
SECRET_KEY = "#secretkey#";
INTERNAL_TOKEN = "#internaltoken#";
INSTALL_LOCK = true;
};
log = {
ROOT_PATH = cfg.log.rootPath;
LEVEL = cfg.log.level;
};
service = {
DISABLE_REGISTRATION = cfg.disableRegistration;
};
mailer = mkIf (cfg.mailerPasswordFile != null) {
PASSWD = "#mailerpass#";
};
oauth2 = {
JWT_SECRET = "#jwtsecret#";
};
};
services.postgresql = optionalAttrs (usePostgresql && cfg.database.createDatabase) {
enable = mkDefault true;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [
{ name = cfg.database.user;
ensurePermissions = { "DATABASE ${cfg.database.name}" = "ALL PRIVILEGES"; };
}
];
};
services.mysql = optionalAttrs (useMysql && cfg.database.createDatabase) {
enable = mkDefault true;
package = mkDefault pkgs.mariadb;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [
{ name = cfg.database.user;
ensurePermissions = { "${cfg.database.name}.*" = "ALL PRIVILEGES"; };
}
];
};
systemd.tmpfiles.rules = [
"d '${cfg.dump.backupDir}' 0750 ${cfg.user} gitea - -"
"z '${cfg.dump.backupDir}' 0750 ${cfg.user} gitea - -"
"Z '${cfg.dump.backupDir}' - ${cfg.user} gitea - -"
"d '${cfg.lfs.contentDir}' 0750 ${cfg.user} gitea - -"
"z '${cfg.lfs.contentDir}' 0750 ${cfg.user} gitea - -"
"Z '${cfg.lfs.contentDir}' - ${cfg.user} gitea - -"
"d '${cfg.repositoryRoot}' 0750 ${cfg.user} gitea - -"
"z '${cfg.repositoryRoot}' 0750 ${cfg.user} gitea - -"
"Z '${cfg.repositoryRoot}' - ${cfg.user} gitea - -"
"d '${cfg.stateDir}' 0750 ${cfg.user} gitea - -"
"d '${cfg.stateDir}/conf' 0750 ${cfg.user} gitea - -"
"d '${cfg.stateDir}/custom' 0750 ${cfg.user} gitea - -"
"d '${cfg.stateDir}/custom/conf' 0750 ${cfg.user} gitea - -"
"d '${cfg.stateDir}/log' 0750 ${cfg.user} gitea - -"
"z '${cfg.stateDir}' 0750 ${cfg.user} gitea - -"
"z '${cfg.stateDir}/.ssh' 0700 ${cfg.user} gitea - -"
"z '${cfg.stateDir}/conf' 0750 ${cfg.user} gitea - -"
"z '${cfg.stateDir}/custom' 0750 ${cfg.user} gitea - -"
"z '${cfg.stateDir}/custom/conf' 0750 ${cfg.user} gitea - -"
"z '${cfg.stateDir}/log' 0750 ${cfg.user} gitea - -"
"Z '${cfg.stateDir}' - ${cfg.user} gitea - -"
# If we have a folder or symlink with gitea locales, remove it
# And symlink the current gitea locales in place
"L+ '${cfg.stateDir}/conf/locale' - - - - ${gitea.out}/locale"
];
systemd.services.gitea = {
description = "gitea";
after = [ "network.target" ] ++ lib.optional usePostgresql "postgresql.service" ++ lib.optional useMysql "mysql.service";
wantedBy = [ "multi-user.target" ];
path = [ gitea pkgs.gitAndTools.git ];
preStart = let
runConfig = "${cfg.stateDir}/custom/conf/app.ini";
secretKey = "${cfg.stateDir}/custom/conf/secret_key";
jwtSecret = "${cfg.stateDir}/custom/conf/jwt_secret";
lfsJwtSecret = "${cfg.stateDir}/custom/conf/lfs_jwt_secret";
internalToken = "${cfg.stateDir}/custom/conf/internal_token";
in ''
# copy custom configuration and generate a random secret key if needed
${optionalString (cfg.useWizard == false) ''
cp -f ${configFile} ${runConfig}
if [ ! -e ${secretKey} ]; then
${gitea}/bin/gitea generate secret SECRET_KEY > ${secretKey}
fi
if [ ! -e ${jwtSecret} ]; then
${gitea}/bin/gitea generate secret JWT_SECRET > ${jwtSecret}
fi
if [ ! -e ${lfsJwtSecret} ]; then
${gitea}/bin/gitea generate secret LFS_JWT_SECRET > ${lfsJwtSecret}
fi
if [ ! -e ${internalToken} ]; then
${gitea}/bin/gitea generate secret INTERNAL_TOKEN > ${internalToken}
fi
SECRETKEY="$(head -n1 ${secretKey})"
DBPASS="$(head -n1 ${cfg.database.passwordFile})"
JWTSECRET="$(head -n1 ${jwtSecret})"
LFSJWTSECRET="$(head -n1 ${lfsJwtSecret})"
INTERNALTOKEN="$(head -n1 ${internalToken})"
${if (cfg.mailerPasswordFile == null) then ''
MAILERPASSWORD="#mailerpass#"
'' else ''
MAILERPASSWORD="$(head -n1 ${cfg.mailerPasswordFile} || :)"
''}
sed -e "s,#secretkey#,$SECRETKEY,g" \
-e "s,#dbpass#,$DBPASS,g" \
-e "s,#jwtsecret#,$JWTSECRET,g" \
-e "s,#lfsjwtsecret#,$LFSJWTSECRET,g" \
-e "s,#internaltoken#,$INTERNALTOKEN,g" \
-e "s,#mailerpass#,$MAILERPASSWORD,g" \
-i ${runConfig}
chmod 640 ${runConfig} ${secretKey} ${jwtSecret} ${lfsJwtSecret} ${internalToken}
''}
# update all hooks' binary paths
HOOKS=$(find ${cfg.repositoryRoot} -mindepth 4 -maxdepth 6 -type f -wholename "*git/hooks/*")
if [ "$HOOKS" ]
then
sed -ri 's,/nix/store/[a-z0-9.-]+/bin/gitea,${gitea}/bin/gitea,g' $HOOKS
sed -ri 's,/nix/store/[a-z0-9.-]+/bin/env,${pkgs.coreutils}/bin/env,g' $HOOKS
sed -ri 's,/nix/store/[a-z0-9.-]+/bin/bash,${pkgs.bash}/bin/bash,g' $HOOKS
sed -ri 's,/nix/store/[a-z0-9.-]+/bin/perl,${pkgs.perl}/bin/perl,g' $HOOKS
fi
# update command option in authorized_keys
if [ -r ${cfg.stateDir}/.ssh/authorized_keys ]
then
sed -ri 's,/nix/store/[a-z0-9.-]+/bin/gitea,${gitea}/bin/gitea,g' ${cfg.stateDir}/.ssh/authorized_keys
fi
'';
serviceConfig = {
Type = "simple";
User = cfg.user;
Group = "gitea";
WorkingDirectory = cfg.stateDir;
ExecStart = "${gitea}/bin/gitea web --pid /run/gitea/gitea.pid";
Restart = "always";
# Runtime directory and mode
RuntimeDirectory = "gitea";
RuntimeDirectoryMode = "0755";
# Access write directories
ReadWritePaths = [ cfg.dump.backupDir cfg.repositoryRoot cfg.stateDir cfg.lfs.contentDir ];
UMask = "0027";
# Capabilities
CapabilityBoundingSet = "";
# Security
NoNewPrivileges = true;
# Sandboxing
ProtectSystem = "strict";
ProtectHome = true;
PrivateTmp = true;
PrivateDevices = true;
PrivateUsers = true;
ProtectHostname = true;
ProtectClock = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
RestrictAddressFamilies = [ "AF_UNIX AF_INET AF_INET6" ];
LockPersonality = true;
MemoryDenyWriteExecute = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
PrivateMounts = true;
# System Call Filtering
SystemCallArchitectures = "native";
SystemCallFilter = "~@clock @cpu-emulation @debug @keyring @memlock @module @mount @obsolete @raw-io @reboot @resources @setuid @swap";
};
environment = {
USER = cfg.user;
HOME = cfg.stateDir;
GITEA_WORK_DIR = cfg.stateDir;
};
};
users.users = mkIf (cfg.user == "gitea") {
gitea = {
description = "Gitea Service";
home = cfg.stateDir;
useDefaultShell = true;
group = "gitea";
isSystemUser = true;
};
};
users.groups.gitea = {};
warnings =
optional (cfg.database.password != "") ''
config.services.gitea.database.password will be stored as plaintext in the Nix store. Use database.passwordFile instead.'' ++
optional (cfg.extraConfig != null) ''
services.gitea.`extraConfig` is deprecated, please use services.gitea.`settings`.
'';
# Create database passwordFile default when password is configured.
clerie.gitea.database.passwordFile =
(mkDefault (toString (pkgs.writeTextFile {
name = "gitea-database-password";
text = cfg.database.password;
})));
systemd.services.gitea-dump = mkIf cfg.dump.enable {
description = "gitea dump";
after = [ "gitea.service" ];
wantedBy = [ "default.target" ];
path = [ gitea ];
environment = {
USER = cfg.user;
HOME = cfg.stateDir;
GITEA_WORK_DIR = cfg.stateDir;
};
serviceConfig = {
Type = "oneshot";
User = cfg.user;
ExecStart = "${gitea}/bin/gitea dump";
WorkingDirectory = cfg.dump.backupDir;
};
};
systemd.timers.gitea-dump = mkIf cfg.dump.enable {
description = "Update timer for gitea-dump";
partOf = [ "gitea-dump.service" ];
wantedBy = [ "timers.target" ];
timerConfig.OnCalendar = cfg.dump.interval;
};
};
meta.maintainers = with lib.maintainers; [ srhb ];
}
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