410 lines
12 KiB
Nix
410 lines
12 KiB
Nix
{ config, lib, pkgs, ... }:
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# TODO: test configuration when building nixexpr (use -t parameter)
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# TODO: support sqlite3 (it's deprecate?) and mysql
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with lib;
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let
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libDir = "/var/lib/bacula";
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fd_cfg = config.services.bacula-fd;
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fd_conf = pkgs.writeText "bacula-fd.conf"
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''
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Client {
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Name = "${fd_cfg.name}";
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FDPort = ${toString fd_cfg.port};
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WorkingDirectory = "${libDir}";
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Pid Directory = "/var/run";
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${fd_cfg.extraClientConfig}
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}
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${concatStringsSep "\n" (mapAttrsToList (name: value: ''
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Director {
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Name = "${name}";
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Password = "${value.password}";
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Monitor = "${value.monitor}";
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}
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'') fd_cfg.director)}
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Messages {
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Name = Standard;
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syslog = all, !skipped, !restored
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${fd_cfg.extraMessagesConfig}
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}
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'';
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sd_cfg = config.services.bacula-sd;
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sd_conf = pkgs.writeText "bacula-sd.conf"
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''
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Storage {
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Name = "${sd_cfg.name}";
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SDPort = ${toString sd_cfg.port};
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WorkingDirectory = "${libDir}";
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Pid Directory = "/var/run";
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${sd_cfg.extraStorageConfig}
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}
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${concatStringsSep "\n" (mapAttrsToList (name: value: ''
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Device {
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Name = "${name}";
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Archive Device = "${value.archiveDevice}";
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Media Type = "${value.mediaType}";
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${value.extraDeviceConfig}
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}
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'') sd_cfg.device)}
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${concatStringsSep "\n" (mapAttrsToList (name: value: ''
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Director {
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Name = "${name}";
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Password = "${value.password}";
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Monitor = "${value.monitor}";
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}
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'') sd_cfg.director)}
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Messages {
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Name = Standard;
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syslog = all, !skipped, !restored
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${sd_cfg.extraMessagesConfig}
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}
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'';
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dir_cfg = config.services.bacula-dir;
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dir_conf = pkgs.writeText "bacula-dir.conf"
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''
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Director {
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Name = "${dir_cfg.name}";
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Password = "${dir_cfg.password}";
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DirPort = ${toString dir_cfg.port};
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Working Directory = "${libDir}";
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Pid Directory = "/var/run/";
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QueryFile = "${pkgs.bacula}/etc/query.sql";
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${dir_cfg.extraDirectorConfig}
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}
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Catalog {
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Name = "PostgreSQL";
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dbname = "bacula";
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user = "bacula";
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}
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Messages {
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Name = Standard;
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syslog = all, !skipped, !restored
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${dir_cfg.extraMessagesConfig}
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}
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${dir_cfg.extraConfig}
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'';
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# TODO: by default use this config
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bconsole_conf = pkgs.writeText "bconsole.conf"
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''
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Director {
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Name = ${dir_cfg.name};
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Address = "localhost";
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DirPort = ${toString dir_cfg.port};
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Password = "${dir_cfg.password}";
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}
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'';
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directorOptions = {name, config, ...}:
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{
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options = {
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password = mkOption {
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# TODO: required?
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description = ''
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Specifies the password that must be supplied for a Director to b
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'';
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};
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monitor = mkOption {
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default = "no";
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example = "yes";
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description = ''
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If Monitor is set to no (default), this director will have full
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'';
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};
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};
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};
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deviceOptions = {name, config, ...}:
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{
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options = {
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archiveDevice = mkOption {
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# TODO: required?
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description = ''
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The specified name-string gives the system file name of the storage device managed by this storage daemon. This will usually be the device file name of a removable storage device (tape drive), for example " /dev/nst0" or "/dev/rmt/0mbn". For a DVD-writer, it will be for example /dev/hdc. It may also be a directory name if you are archiving to disk storage.
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'';
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};
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mediaType = mkOption {
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# TODO: required?
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description = ''
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The specified name-string names the type of media supported by this device, for example, "DLT7000". Media type names are arbitrary in that you set them to anything you want, but they must be known to the volume database to keep track of which storage daemons can read which volumes. In general, each different storage type should have a unique Media Type associated with it. The same name-string must appear in the appropriate Storage resource definition in the Director's configuration file.
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'';
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};
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extraDeviceConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Device directive.
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'';
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example = ''
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LabelMedia = yes
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Random Access = no
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AutomaticMount = no
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RemovableMedia = no
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MaximumOpenWait = 60
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AlwaysOpen = no
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'';
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};
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};
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};
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in {
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options = {
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services.bacula-fd = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable the Bacula File Daemon.
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'';
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};
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name = mkOption {
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default = "${config.networking.hostName}-fd";
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description = ''
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The client name that must be used by the Director when connecting.
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Generally, it is a good idea to use a name related to the machine
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so that error messages can be easily identified if you have multiple
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Clients. This directive is required.
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'';
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};
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port = mkOption {
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default = 9102;
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type = types.int;
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description = ''
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This specifies the port number on which the Client listens for
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Director connections. It must agree with the FDPort specified in
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the Client resource of the Director's configuration file.
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'';
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};
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director = mkOption {
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default = {};
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description = ''
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This option defines director resources in Bacula File Daemon.
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'';
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type = with types; attrsOf (submodule directorOptions);
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};
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extraClientConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Client directive.
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'';
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example = ''
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Maximum Concurrent Jobs = 20;
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Heartbeat Interval = 30;
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'';
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};
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extraMessagesConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Messages directive.
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'';
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example = ''
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console = all
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'';
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};
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};
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services.bacula-sd = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable Bacula Storage Daemon.
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'';
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};
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name = mkOption {
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default = "${config.networking.hostName}-sd";
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description = ''
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Specifies the Name of the Storage daemon.
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'';
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};
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port = mkOption {
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default = 9103;
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type = types.int;
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description = ''
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Specifies port number on which the Storage daemon listens for Director connections. The default is 9103.
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'';
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};
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director = mkOption {
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default = {};
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description = ''
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This option defines Director resources in Bacula Storage Daemon.
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'';
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type = with types; attrsOf (submodule directorOptions);
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};
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device = mkOption {
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default = {};
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description = ''
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This option defines Device resources in Bacula Storage Daemon.
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'';
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type = with types; attrsOf (submodule deviceOptions);
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};
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extraStorageConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Storage directive.
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'';
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example = ''
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Maximum Concurrent Jobs = 20;
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Heartbeat Interval = 30;
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'';
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};
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extraMessagesConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Messages directive.
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'';
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example = ''
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console = all
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'';
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};
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};
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services.bacula-dir = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable Bacula Director Daemon.
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'';
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};
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name = mkOption {
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default = "${config.networking.hostName}-dir";
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description = ''
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The director name used by the system administrator. This directive is required.
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'';
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};
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port = mkOption {
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default = 9101;
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type = types.int;
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description = ''
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Specify the port (a positive integer) on which the Director daemon will listen for Bacula Console connections. This same port number must be specified in the Director resource of the Console configuration file. The default is 9101, so normally this directive need not be specified. This directive should not be used if you specify DirAddresses (N.B plural) directive.
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'';
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};
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password = mkOption {
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# TODO: required?
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description = ''
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Specifies the password that must be supplied for a Director.
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'';
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};
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extraMessagesConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Messages directive.
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'';
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example = ''
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console = all
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'';
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};
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extraDirectorConfig = mkOption {
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default = "";
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description = ''
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Extra configuration to be passed in Director directive.
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'';
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example = ''
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Maximum Concurrent Jobs = 20;
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Heartbeat Interval = 30;
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'';
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};
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extraConfig = mkOption {
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default = "";
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description = ''
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Extra configuration for Bacula Director Daemon.
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'';
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example = ''
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TODO
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'';
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};
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};
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};
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config = mkIf (fd_cfg.enable || sd_cfg.enable || dir_cfg.enable) {
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systemd.services.bacula-fd = mkIf fd_cfg.enable {
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after = [ "network.target" ];
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description = "Bacula File Daemon";
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.bacula ];
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serviceConfig.ExecStart = "${pkgs.bacula}/sbin/bacula-fd -f -u root -g bacula -c ${fd_conf}";
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serviceConfig.ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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};
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systemd.services.bacula-sd = mkIf sd_cfg.enable {
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after = [ "network.target" ];
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description = "Bacula Storage Daemon";
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.bacula ];
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serviceConfig.ExecStart = "${pkgs.bacula}/sbin/bacula-sd -f -u bacula -g bacula -c ${sd_conf}";
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serviceConfig.ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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};
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services.postgresql.enable = dir_cfg.enable == true;
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systemd.services.bacula-dir = mkIf dir_cfg.enable {
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after = [ "network.target" "postgresql.service" ];
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description = "Bacula Director Daemon";
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.bacula ];
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serviceConfig.ExecStart = "${pkgs.bacula}/sbin/bacula-dir -f -u bacula -g bacula -c ${dir_conf}";
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serviceConfig.ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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preStart = ''
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if ! test -e "${libDir}/db-created"; then
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${pkgs.postgresql}/bin/createuser --no-superuser --no-createdb --no-createrole bacula
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#${pkgs.postgresql}/bin/createdb --owner bacula bacula
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# populate DB
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${pkgs.bacula}/etc/create_bacula_database postgresql
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${pkgs.bacula}/etc/make_bacula_tables postgresql
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${pkgs.bacula}/etc/grant_bacula_privileges postgresql
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touch "${libDir}/db-created"
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else
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${pkgs.bacula}/etc/update_bacula_tables postgresql || true
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fi
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'';
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};
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environment.systemPackages = [ pkgs.bacula ];
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users.extraUsers.bacula = {
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group = "bacula";
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uid = config.ids.uids.bacula;
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home = "${libDir}";
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createHome = true;
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description = "Bacula Daemons user";
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shell = "${pkgs.bash}/bin/bash";
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};
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users.extraGroups.bacula.gid = config.ids.gids.bacula;
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};
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}
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