nixpkgs/nixos/modules/services/admin/oxidized.nix
2021-10-04 12:47:20 +02:00

119 lines
2.9 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.oxidized;
in
{
options.services.oxidized = {
enable = mkEnableOption "the oxidized configuration backup service";
user = mkOption {
type = types.str;
default = "oxidized";
description = ''
User under which the oxidized service runs.
'';
};
group = mkOption {
type = types.str;
default = "oxidized";
description = ''
Group under which the oxidized service runs.
'';
};
dataDir = mkOption {
type = types.path;
default = "/var/lib/oxidized";
description = "State directory for the oxidized service.";
};
configFile = mkOption {
type = types.path;
example = literalExpression ''
pkgs.writeText "oxidized-config.yml" '''
---
debug: true
use_syslog: true
input:
default: ssh
ssh:
secure: true
interval: 3600
model_map:
dell: powerconnect
hp: procurve
source:
default: csv
csv:
delimiter: !ruby/regexp /:/
file: "/var/lib/oxidized/.config/oxidized/router.db"
map:
name: 0
model: 1
username: 2
password: 3
pid: "/var/lib/oxidized/.config/oxidized/pid"
rest: 127.0.0.1:8888
retries: 3
# ... additional config
''';
'';
description = ''
Path to the oxidized configuration file.
'';
};
routerDB = mkOption {
type = types.path;
example = literalExpression ''
pkgs.writeText "oxidized-router.db" '''
hostname-sw1:powerconnect:username1:password2
hostname-sw2:procurve:username2:password2
# ... additional hosts
'''
'';
description = ''
Path to the file/database which contains the targets for oxidized.
'';
};
};
config = mkIf cfg.enable {
users.groups.${cfg.group} = { };
users.users.${cfg.user} = {
description = "Oxidized service user";
group = cfg.group;
home = cfg.dataDir;
createHome = true;
isSystemUser = true;
};
systemd.services.oxidized = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
preStart = ''
mkdir -p ${cfg.dataDir}/.config/oxidized
ln -f -s ${cfg.routerDB} ${cfg.dataDir}/.config/oxidized/router.db
ln -f -s ${cfg.configFile} ${cfg.dataDir}/.config/oxidized/config
'';
serviceConfig = {
ExecStart = "${pkgs.oxidized}/bin/oxidized";
User = cfg.user;
Group = cfg.group;
UMask = "0077";
NoNewPrivileges = true;
Restart = "always";
WorkingDirectory = cfg.dataDir;
KillSignal = "SIGKILL";
PIDFile = "${cfg.dataDir}/.config/oxidized/pid";
};
};
};
}