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nixos/kea: init

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wip/nixpkgs-raku
Martin Weinelt 3 years ago
parent 4036bb94c7
commit caf70ceed4
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  1. 1
      nixos/modules/module-list.nix
  2. 361
      nixos/modules/services/networking/kea.nix

1
nixos/modules/module-list.nix
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@ -727,6 +727,7 @@
./services/networking/iwd.nix
./services/networking/jicofo.nix
./services/networking/jitsi-videobridge.nix
./services/networking/kea.nix
./services/networking/keepalived/default.nix
./services/networking/keybase.nix
./services/networking/kippo.nix

361
nixos/modules/services/networking/kea.nix
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@ -0,0 +1,361 @@
{ config
, lib
, pkgs
, ...
}:
with lib;
let
cfg = config.services.kea;
format = pkgs.formats.json {};
ctrlAgentConfig = format.generate "kea-ctrl-agent.conf" {
Control-agent = cfg.ctrl-agent.settings;
};
dhcp4Config = format.generate "kea-dhcp4.conf" {
Dhcp4 = cfg.dhcp4.settings;
};
dhcp6Config = format.generate "kea-dhcp6.conf" {
Dhcp6 = cfg.dhcp6.settings;
};
dhcpDdnsConfig = format.generate "kea-dhcp-ddns.conf" {
DhcpDdns = cfg.dhcp-ddns.settings;
};
package = pkgs.kea;
in
{
options.services.kea = with types; {
ctrl-agent = mkOption {
description = ''
Kea Control Agent configuration
'';
default = {};
type = submodule {
options = {
enable = mkEnableOption "Kea Control Agent";
extraArgs = mkOption {
type = listOf str;
default = [];
description = ''
List of additonal arguments to pass to the daemon.
'';
};
settings = mkOption {
type = format.type;
default = null;
description = ''
Kea Control Agent configuration as an attribute set, see <link xlink:href="https://kea.readthedocs.io/en/kea-${package.version}/arm/agent.html"/>.
'';
};
};
};
};
dhcp4 = mkOption {
description = ''
DHCP4 Server configuration
'';
default = {};
type = submodule {
options = {
enable = mkEnableOption "Kea DHCP4 server";
extraArgs = mkOption {
type = listOf str;
default = [];
description = ''
List of additonal arguments to pass to the daemon.
'';
};
settings = mkOption {
type = format.type;
default = null;
example = {
valid-lifetime = 4000;
renew-timer = 1000;
rebind-timer = 2000;
interfaces-config = {
interfaces = [
"eth0"
];
};
lease-database = {
type = "memfile";
persist = true;
name = "/var/lib/kea/dhcp4.leases";
};
subnet4 = [ {
subnet = "192.0.2.0/24";
pools = [ {
pool = "192.0.2.100 - 192.0.2.240";
} ];
} ];
};
description = ''
Kea DHCP4 configuration as an attribute set, see <link xlink:href="https://kea.readthedocs.io/en/kea-${package.version}/arm/dhcp4-srv.html"/>.
'';
};
};
};
};
dhcp6 = mkOption {
description = ''
DHCP6 Server configuration
'';
default = {};
type = submodule {
options = {
enable = mkEnableOption "Kea DHCP6 server";
extraArgs = mkOption {
type = listOf str;
default = [];
description = ''
List of additonal arguments to pass to the daemon.
'';
};
settings = mkOption {
type = format.type;
default = null;
example = {
valid-lifetime = 4000;
renew-timer = 1000;
rebind-timer = 2000;
preferred-lifetime = 3000;
interfaces-config = {
interfaces = [
"eth0"
];
};
lease-database = {
type = "memfile";
persist = true;
name = "/var/lib/kea/dhcp6.leases";
};
subnet6 = [ {
subnet = "2001:db8:1::/64";
pools = [ {
pool = "2001:db8:1::1-2001:db8:1::ffff";
} ];
} ];
};
description = ''
Kea DHCP6 configuration as an attribute set, see <link xlink:href="https://kea.readthedocs.io/en/kea-${package.version}/arm/dhcp6-srv.html"/>.
'';
};
};
};
};
dhcp-ddns = mkOption {
description = ''
Kea DHCP-DDNS configuration
'';
default = {};
type = submodule {
options = {
enable = mkEnableOption "Kea DDNS server";
extraArgs = mkOption {
type = listOf str;
default = [];
description = ''
List of additonal arguments to pass to the daemon.
'';
};
settings = mkOption {
type = format.type;
default = null;
example = {
ip-address = "127.0.0.1";
port = 53001;
dns-server-timeout = 100;
ncr-protocol = "UDP";
ncr-format = "JSON";
tsig-keys = [ ];
forward-ddns = {
ddns-domains = [ ];
};
reverse-ddns = {
ddns-domains = [ ];
};
};
description = ''
Kea DHCP-DDNS configuration as an attribute set, see <link xlink:href="https://kea.readthedocs.io/en/kea-${package.version}/arm/ddns.html"/>.
'';
};
};
};
};
};
config = let
commonServiceConfig = {
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
DynamicUser = true;
User = "kea";
ConfigurationDirectory = "kea";
RuntimeDirectory = "kea";
StateDirectory = "kea";
UMask = "0077";
};
in mkIf (cfg.ctrl-agent.enable || cfg.dhcp4.enable || cfg.dhcp6.enable || cfg.dhcp-ddns.enable) (mkMerge [
{
environment.systemPackages = [ package ];
}
(mkIf cfg.ctrl-agent.enable {
environment.etc."kea/ctrl-agent.conf".source = ctrlAgentConfig;
systemd.services.kea-ctrl-agent = {
description = "Kea Control Agent";
documentation = [
"man:kea-ctrl-agent(8)"
"https://kea.readthedocs.io/en/kea-${package.version}/arm/agent.html"
];
after = [
"network-online.target"
"time-sync.target"
];
wantedBy = [
"kea-dhcp4-server.service"
"kea-dhcp6-server.service"
"kea-dhcp-ddns-server.service"
];
environment = {
KEA_PIDFILE_DIR = "/run/kea";
};
serviceConfig = {
ExecStart = "${package}/bin/kea-ctrl-agent -c /etc/kea/ctrl-agent.conf ${lib.escapeShellArgs cfg.dhcp4.extraArgs}";
KillMode = "process";
Restart = "on-failure";
} // commonServiceConfig;
};
})
(mkIf cfg.dhcp4.enable {
environment.etc."kea/dhcp4-server.conf".source = dhcp4Config;
systemd.services.kea-dhcp4-server = {
description = "Kea DHCP4 Server";
documentation = [
"man:kea-dhcp4(8)"
"https://kea.readthedocs.io/en/kea-${package.version}/arm/dhcp4-srv.html"
];
after = [
"network-online.target"
"time-sync.target"
];
wantedBy = [
"multi-user.target"
];
environment = {
KEA_PIDFILE_DIR = "/run/kea";
};
serviceConfig = {
ExecStart = "${package}/bin/kea-dhcp4 -c /etc/kea/dhcp4-server.conf ${lib.escapeShellArgs cfg.dhcp4.extraArgs}";
# Kea does not request capabilities by itself
AmbientCapabilities = [
"CAP_NET_BIND_SERVICE"
"CAP_NET_RAW"
];
CapabilityBoundingSet = [
"CAP_NET_BIND_SERVICE"
"CAP_NET_RAW"
];
} // commonServiceConfig;
};
})
(mkIf cfg.dhcp6.enable {
environment.etc."kea/dhcp6-server.conf".source = dhcp6Config;
systemd.services.kea-dhcp6-server = {
description = "Kea DHCP6 Server";
documentation = [
"man:kea-dhcp6(8)"
"https://kea.readthedocs.io/en/kea-${package.version}/arm/dhcp6-srv.html"
];
after = [
"network-online.target"
"time-sync.target"
];
wantedBy = [
"multi-user.target"
];
environment = {
KEA_PIDFILE_DIR = "/run/kea";
};
serviceConfig = {
ExecStart = "${package}/bin/kea-dhcp6 -c /etc/kea/dhcp6-server.conf ${lib.escapeShellArgs cfg.dhcp6.extraArgs}";
# Kea does not request capabilities by itself
AmbientCapabilities = [
"CAP_NET_BIND_SERVICE"
];
CapabilityBoundingSet = [
"CAP_NET_BIND_SERVICE"
];
} // commonServiceConfig;
};
})
(mkIf cfg.dhcp-ddns.enable {
environment.etc."kea/dhcp-ddns.conf".source = dhcpDdnsConfig;
systemd.services.kea-dhcp-ddns-server = {
description = "Kea DHCP-DDNS Server";
documentation = [
"man:kea-dhcp-ddns(8)"
"https://kea.readthedocs.io/en/kea-${package.version}/arm/ddns.html"
];
after = [
"network-online.target"
"time-sync.target"
];
wantedBy = [
"multi-user.target"
];
environment = {
KEA_PIDFILE_DIR = "/run/kea";
};
serviceConfig = {
ExecStart = "${package}/bin/kea-dhcp-ddns -c /etc/kea/dhcp-ddns.conf ${lib.escapeShellArgs cfg.dhcp-ddns.extraArgs}";
AmbientCapabilites = [
"CAP_NET_BIND_SERVICE"
];
CapabilityBoundingSet = [
"CAP_NET_BIND_SERVICE"
];
} // commonServiceConfig;
};
})
]);
meta.maintainers = with maintainers; [ hexa ];
}
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