nixpkgs/nixos/modules/services/misc/gammu-smsd.nix

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{ pkgs, lib, config, ... }:
with lib;
let
cfg = config.services.gammu-smsd;
configFile = pkgs.writeText "gammu-smsd.conf" ''
[gammu]
Device = ${cfg.device.path}
Connection = ${cfg.device.connection}
SynchronizeTime = ${if cfg.device.synchronizeTime then "yes" else "no"}
LogFormat = ${cfg.log.format}
${if (cfg.device.pin != null) then "PIN = ${cfg.device.pin}" else ""}
${cfg.extraConfig.gammu}
[smsd]
LogFile = ${cfg.log.file}
Service = ${cfg.backend.service}
${optionalString (cfg.backend.service == "files") ''
InboxPath = ${cfg.backend.files.inboxPath}
OutboxPath = ${cfg.backend.files.outboxPath}
SentSMSPath = ${cfg.backend.files.sentSMSPath}
ErrorSMSPath = ${cfg.backend.files.errorSMSPath}
''}
${optionalString (cfg.backend.service == "sql" && cfg.backend.sql.driver == "sqlite") ''
Driver = ${cfg.backend.sql.driver}
DBDir = ${cfg.backend.sql.database}
''}
${optionalString (cfg.backend.service == "sql" && cfg.backend.sql.driver == "native_pgsql") (
with cfg.backend; ''
Driver = ${sql.driver}
${if (sql.database!= null) then "Database = ${sql.database}" else ""}
${if (sql.host != null) then "Host = ${sql.host}" else ""}
${if (sql.user != null) then "User = ${sql.user}" else ""}
${if (sql.password != null) then "Password = ${sql.password}" else ""}
'')}
${cfg.extraConfig.smsd}
'';
initDBDir = "share/doc/gammu/examples/sql";
gammuPackage = with cfg.backend; (pkgs.gammu.override {
dbiSupport = (service == "sql" && sql.driver == "sqlite");
postgresSupport = (service == "sql" && sql.driver == "native_pgsql");
});
in {
options = {
services.gammu-smsd = {
enable = mkEnableOption "gammu-smsd daemon";
user = mkOption {
type = types.str;
default = "smsd";
description = "User that has access to the device";
};
device = {
path = mkOption {
type = types.path;
description = "Device node or address of the phone";
example = "/dev/ttyUSB2";
};
group = mkOption {
type = types.str;
default = "root";
description = "Owner group of the device";
example = "dialout";
};
connection = mkOption {
type = types.str;
default = "at";
description = "Protocol which will be used to talk to the phone";
};
synchronizeTime = mkOption {
type = types.bool;
default = true;
description = "Whether to set time from computer to the phone during starting connection";
};
pin = mkOption {
type = types.nullOr types.str;
default = null;
description = "PIN code for the simcard";
};
};
log = {
file = mkOption {
type = types.str;
default = "syslog";
description = "Path to file where information about communication will be stored";
};
format = mkOption {
type = types.enum [ "nothing" "text" "textall" "textalldate" "errors" "errorsdate" "binary" ];
default = "errors";
description = "Determines what will be logged to the LogFile";
};
};
extraConfig = {
gammu = mkOption {
type = types.lines;
default = "";
description = "Extra config lines to be added into [gammu] section";
};
smsd = mkOption {
type = types.lines;
default = "";
description = "Extra config lines to be added into [smsd] section";
};
};
backend = {
service = mkOption {
type = types.enum [ "null" "files" "sql" ];
default = "null";
description = "Service to use to store sms data.";
};
files = {
inboxPath = mkOption {
type = types.path;
default = "/var/spool/sms/inbox/";
description = "Where the received SMSes are stored";
};
outboxPath = mkOption {
type = types.path;
default = "/var/spool/sms/outbox/";
description = "Where SMSes to be sent should be placed";
};
sentSMSPath = mkOption {
type = types.path;
default = "/var/spool/sms/sent/";
description = "Where the transmitted SMSes are placed";
};
errorSMSPath = mkOption {
type = types.path;
default = "/var/spool/sms/error/";
description = "Where SMSes with error in transmission is placed";
};
};
sql = {
driver = mkOption {
type = types.enum [ "native_mysql" "native_pgsql" "odbc" "dbi" ];
description = "DB driver to use";
};
sqlDialect = mkOption {
type = types.nullOr types.str;
default = null;
description = "SQL dialect to use (odbc driver only)";
};
database = mkOption {
type = types.str;
default = null;
description = "Database name to store sms data";
};
host = mkOption {
type = types.str;
default = "localhost";
description = "Database server address";
};
user = mkOption {
type = types.nullOr types.str;
default = null;
description = "User name used for connection to the database";
};
password = mkOption {
type = types.nullOr types.str;
default = null;
description = "User password used for connetion to the database";
};
};
};
};
};
config = mkIf cfg.enable {
users.users.${cfg.user} = {
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description = "gammu-smsd user";
uid = config.ids.uids.gammu-smsd;
extraGroups = [ "${cfg.device.group}" ];
};
environment.systemPackages = with cfg.backend; [ gammuPackage ]
++ optionals (service == "sql" && sql.driver == "sqlite") [ pkgs.sqlite ];
systemd.services.gammu-smsd = {
description = "gammu-smsd daemon";
wantedBy = [ "multi-user.target" ];
wants = with cfg.backend; [ ]
++ optionals (service == "sql" && sql.driver == "native_pgsql") [ "postgresql.service" ];
preStart = with cfg.backend;
optionalString (service == "files") (with files; ''
mkdir -m 755 -p ${inboxPath} ${outboxPath} ${sentSMSPath} ${errorSMSPath}
chown ${cfg.user} -R ${inboxPath}
chown ${cfg.user} -R ${outboxPath}
chown ${cfg.user} -R ${sentSMSPath}
chown ${cfg.user} -R ${errorSMSPath}
'')
+ optionalString (service == "sql" && sql.driver == "sqlite") ''
cat "${gammuPackage}/${initDBDir}/sqlite.sql" \
| ${pkgs.sqlite.bin}/bin/sqlite3 ${sql.database}
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''
+ (let execPsql = extraArgs: concatStringsSep " " [
(optionalString (sql.password != null) "PGPASSWORD=${sql.password}")
"${config.services.postgresql.package}/bin/psql"
(optionalString (sql.host != null) "-h ${sql.host}")
(optionalString (sql.user != null) "-U ${sql.user}")
"$extraArgs"
"${sql.database}"
]; in optionalString (service == "sql" && sql.driver == "native_pgsql") ''
echo '\i '"${gammuPackage}/${initDBDir}/pgsql.sql" | ${execPsql ""}
'');
serviceConfig = {
User = "${cfg.user}";
Group = "${cfg.device.group}";
PermissionsStartOnly = true;
ExecStart = "${gammuPackage}/bin/gammu-smsd -c ${configFile}";
};
};
};
}