nixpkgs/nixos/modules/system/boot/networkd.nix

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{ config, lib, pkgs, ... }:
with lib;
with import ./systemd-unit-options.nix { inherit config lib; };
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with import ./systemd-lib.nix { inherit config lib pkgs; };
let
cfg = config.systemd.network;
checkLink = checkUnitConfig "Link" [
(assertOnlyFields [
"Description" "Alias" "MACAddressPolicy" "MACAddress" "NamePolicy" "Name"
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"MTUBytes" "BitsPerSecond" "Duplex" "AutoNegotiation" "WakeOnLan" "Port"
"TCPSegmentationOffload" "TCP6SegmentationOffload" "GenericSegmentationOffload"
"GenericReceiveOffload" "LargeReceiveOffload" "RxChannels" "TxChannels"
"OtherChannels" "CombinedChannels"
])
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(assertValueOneOf "MACAddressPolicy" ["persistent" "random" "none"])
(assertMacAddress "MACAddress")
(assertByteFormat "MTUBytes")
(assertByteFormat "BitsPerSecond")
(assertValueOneOf "Duplex" ["half" "full"])
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(assertValueOneOf "AutoNegotiation" boolValues)
(assertValueOneOf "WakeOnLan" ["phy" "unicast" "multicast" "broadcast" "arp" "magic" "secureon" "off"])
(assertValueOneOf "Port" ["tp" "aui" "bnc" "mii" "fibre"])
(assertValueOneOf "TCPSegmentationOffload" boolValues)
(assertValueOneOf "TCP6SegmentationOffload" boolValues)
(assertValueOneOf "GenericSegmentationOffload" boolValues)
(assertValueOneOf "UDPSegmentationOffload" boolValues)
(assertValueOneOf "GenericReceiveOffload" boolValues)
(assertValueOneOf "LargeReceiveOffload" boolValues)
(assertRange "RxChannels" 1 4294967295)
(assertRange "TxChannels" 1 4294967295)
(assertRange "OtherChannels" 1 4294967295)
(assertRange "CombinedChannels" 1 4294967295)
];
checkNetdev = checkUnitConfig "Netdev" [
(assertOnlyFields [
"Description" "Name" "Kind" "MTUBytes" "MACAddress"
])
(assertHasField "Name")
(assertHasField "Kind")
(assertValueOneOf "Kind" [
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"bond" "bridge" "dummy" "gre" "gretap" "ip6gre" "ip6tnl" "ip6gretap" "ipip"
"ipvlan" "macvlan" "macvtap" "sit" "tap" "tun" "veth" "vlan" "vti" "vti6"
"vxlan" "geneve" "vrf" "vcan" "vxcan" "wireguard" "netdevsim"
])
(assertByteFormat "MTUBytes")
(assertMacAddress "MACAddress")
];
checkVlan = checkUnitConfig "VLAN" [
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(assertOnlyFields ["Id" "GVRP" "MVRP" "LooseBinding" "ReorderHeader"])
(assertRange "Id" 0 4094)
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(assertValueOneOf "GVRP" boolValues)
(assertValueOneOf "MVRP" boolValues)
(assertValueOneOf "LooseBinding" boolValues)
(assertValueOneOf "ReorderHeader" boolValues)
];
checkMacvlan = checkUnitConfig "MACVLAN" [
(assertOnlyFields ["Mode"])
(assertValueOneOf "Mode" ["private" "vepa" "bridge" "passthru"])
];
checkVxlan = checkUnitConfig "VXLAN" [
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(assertOnlyFields [
"Id" "Remote" "Local" "TOS" "TTL" "MacLearning" "FDBAgeingSec"
"MaximumFDBEntries" "ReduceARPProxy" "L2MissNotification"
"L3MissNotification" "RouteShortCircuit" "UDPChecksum"
"UDP6ZeroChecksumTx" "UDP6ZeroChecksumRx" "RemoteChecksumTx"
"RemoteChecksumRx" "GroupPolicyExtension" "DestinationPort" "PortRange"
"FlowLabel"
])
(assertRange "TTL" 0 255)
(assertValueOneOf "MacLearning" boolValues)
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(assertValueOneOf "ReduceARPProxy" boolValues)
(assertValueOneOf "L2MissNotification" boolValues)
(assertValueOneOf "L3MissNotification" boolValues)
(assertValueOneOf "RouteShortCircuit" boolValues)
(assertValueOneOf "UDPChecksum" boolValues)
(assertValueOneOf "UDP6ZeroChecksumTx" boolValues)
(assertValueOneOf "UDP6ZeroChecksumRx" boolValues)
(assertValueOneOf "RemoteChecksumTx" boolValues)
(assertValueOneOf "RemoteChecksumRx" boolValues)
(assertValueOneOf "GroupPolicyExtension" boolValues)
(assertRange "FlowLabel" 0 1048575)
];
checkTunnel = checkUnitConfig "Tunnel" [
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(assertOnlyFields [
"Local" "Remote" "TOS" "TTL" "DiscoverPathMTU" "IPv6FlowLabel" "CopyDSCP"
"EncapsulationLimit" "Key" "InputKey" "OutputKey" "Mode" "Independent"
"AllowLocalRemote"
])
(assertRange "TTL" 0 255)
(assertValueOneOf "DiscoverPathMTU" boolValues)
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(assertValueOneOf "CopyDSCP" boolValues)
(assertValueOneOf "Mode" ["ip6ip6" "ipip6" "any"])
(assertValueOneOf "Independent" boolValues)
(assertValueOneOf "AllowLocalRemote" boolValues)
];
checkPeer = checkUnitConfig "Peer" [
(assertOnlyFields ["Name" "MACAddress"])
(assertMacAddress "MACAddress")
];
tunTapChecks = [
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(assertOnlyFields ["OneQueue" "MultiQueue" "PacketInfo" "VNetHeader" "User" "Group"])
(assertValueOneOf "OneQueue" boolValues)
(assertValueOneOf "MultiQueue" boolValues)
(assertValueOneOf "PacketInfo" boolValues)
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(assertValueOneOf "VNetHeader" boolValues)
];
checkTun = checkUnitConfig "Tun" tunTapChecks;
checkTap = checkUnitConfig "Tap" tunTapChecks;
checkBond = checkUnitConfig "Bond" [
(assertOnlyFields [
"Mode" "TransmitHashPolicy" "LACPTransmitRate" "MIIMonitorSec"
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"UpDelaySec" "DownDelaySec" "LearnPacketIntervalSec" "AdSelect"
"FailOverMACPolicy" "ARPValidate" "ARPIntervalSec" "ARPIPTargets"
"ARPAllTargets" "PrimaryReselectPolicy" "ResendIGMP" "PacketsPerSlave"
"GratuitousARP" "AllSlavesActive" "MinLinks"
])
(assertValueOneOf "Mode" [
"balance-rr" "active-backup" "balance-xor"
"broadcast" "802.3ad" "balance-tlb" "balance-alb"
])
(assertValueOneOf "TransmitHashPolicy" [
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"layer2" "layer3+4" "layer2+3" "encap2+3" "encap3+4"
])
(assertValueOneOf "LACPTransmitRate" ["slow" "fast"])
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(assertValueOneOf "AdSelect" ["stable" "bandwidth" "count"])
(assertValueOneOf "FailOverMACPolicy" ["none" "active" "follow"])
(assertValueOneOf "ARPValidate" ["none" "active" "backup" "all"])
(assertValueOneOf "ARPAllTargets" ["any" "all"])
(assertValueOneOf "PrimaryReselectPolicy" ["always" "better" "failure"])
(assertRange "ResendIGMP" 0 255)
(assertRange "PacketsPerSlave" 0 65535)
(assertRange "GratuitousARP" 0 255)
(assertValueOneOf "AllSlavesActive" boolValues)
];
checkNetwork = checkUnitConfig "Network" [
(assertOnlyFields [
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"Description" "DHCP" "DHCPServer" "LinkLocalAddressing" "IPv4LLRoute"
"IPv6Token" "LLMNR" "MulticastDNS" "DNSOverTLS" "DNSSEC"
"DNSSECNegativeTrustAnchors" "LLDP" "EmitLLDP" "BindCarrier" "Address"
"Gateway" "DNS" "Domains" "NTP" "IPForward" "IPMasquerade"
"IPv6PrivacyExtensions" "IPv6AcceptRA" "IPv6DuplicateAddressDetection"
"IPv6HopLimit" "IPv4ProxyARP" "IPv6ProxyNDP" "IPv6ProxyNDPAddress"
"IPv6PrefixDelegation" "IPv6MTUBytes" "Bridge" "Bond" "VRF" "VLAN"
"IPVLAN" "MACVLAN" "VXLAN" "Tunnel" "ActiveSlave" "PrimarySlave"
"ConfigureWithoutCarrier"
])
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# Note: For DHCP the values both, none, v4, v6 are deprecated
(assertValueOneOf "DHCP" ["yes" "no" "ipv4" "ipv6" "both" "none" "v4" "v6"])
(assertValueOneOf "DHCPServer" boolValues)
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(assertValueOneOf "LinkLocalAddressing" ["yes" "no" "ipv4" "ipv6"])
(assertValueOneOf "IPv4LLRoute" boolValues)
(assertValueOneOf "LLMNR" ["yes" "resolve" "no"])
(assertValueOneOf "MulticastDNS" ["yes" "resolve" "no"])
(assertValueOneOf "DNSOverTLS" ["opportunistic" "no"])
(assertValueOneOf "DNSSEC" ["yes" "allow-downgrade" "no"])
(assertValueOneOf "LLDP" ["yes" "routers-only" "no"])
(assertValueOneOf "EmitLLDP" ["yes" "no" "nearest-bridge" "non-tpmr-bridge" "customer-bridge"])
(assertValueOneOf "IPForward" ["yes" "no" "ipv4" "ipv6"])
(assertValueOneOf "IPMasquerade" boolValues)
(assertValueOneOf "IPv6PrivacyExtensions" ["yes" "no" "prefer-public" "kernel"])
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(assertValueOneOf "IPv6AcceptRA" boolValues)
(assertValueOneOf "IPv4ProxyARP" boolValues)
(assertValueOneOf "IPv6ProxyNDP" boolValues)
(assertValueOneOf "IPv6PrefixDelegation" boolValues)
(assertValueOneOf "ActiveSlave" boolValues)
(assertValueOneOf "PrimarySlave" boolValues)
(assertValueOneOf "ConfigureWithoutCarrier" boolValues)
];
checkAddress = checkUnitConfig "Address" [
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(assertOnlyFields [
"Address" "Peer" "Broadcast" "Label" "PreferredLifetime" "Scope"
"HomeAddress" "DuplicateAddressDetection" "ManageTemporaryAddress"
"PrefixRoute" "AutoJoin"
])
(assertHasField "Address")
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(assertValueOneOf "PreferredLifetime" ["forever" "infinity" "0" 0])
(assertValueOneOf "HomeAddress" boolValues)
(assertValueOneOf "DuplicateAddressDetection" boolValues)
(assertValueOneOf "ManageTemporaryAddress" boolValues)
(assertValueOneOf "PrefixRoute" boolValues)
(assertValueOneOf "AutoJoin" boolValues)
];
checkRoute = checkUnitConfig "Route" [
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(assertOnlyFields [
"Gateway" "GatewayOnlink" "Destination" "Source" "Metric"
"IPv6Preference" "Scope" "PreferredSource" "Table" "Protocol" "Type"
"InitialCongestionWindow" "InitialAdvertisedReceiveWindow" "QuickAck"
"MTUBytes"
])
(assertHasField "Gateway")
];
checkDhcp = checkUnitConfig "DHCP" [
(assertOnlyFields [
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"UseDNS" "UseNTP" "UseMTU" "Anonymize" "SendHostname" "UseHostname"
"Hostname" "UseDomains" "UseRoutes" "UseTimezone" "CriticalConnection"
"ClientIdentifier" "VendorClassIdentifier" "UserClass" "DUIDType"
"DUIDRawData" "IAID" "RequestBroadcast" "RouteMetric" "RouteTable"
"ListenPort" "RapidCommit"
])
(assertValueOneOf "UseDNS" boolValues)
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(assertValueOneOf "UseNTP" boolValues)
(assertValueOneOf "UseMTU" boolValues)
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(assertValueOneOf "Anonymize" boolValues)
(assertValueOneOf "SendHostname" boolValues)
(assertValueOneOf "UseHostname" boolValues)
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(assertValueOneOf "UseDomains" ["yes" "no" "route"])
(assertValueOneOf "UseRoutes" boolValues)
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(assertValueOneOf "UseTimezone" boolValues)
(assertValueOneOf "CriticalConnection" boolValues)
(assertValueOneOf "RequestBroadcast" boolValues)
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(assertRange "RouteTable" 0 4294967295)
(assertValueOneOf "RapidCommit" boolValues)
];
checkDhcpServer = checkUnitConfig "DHCPServer" [
(assertOnlyFields [
"PoolOffset" "PoolSize" "DefaultLeaseTimeSec" "MaxLeaseTimeSec"
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"EmitDNS" "DNS" "EmitNTP" "NTP" "EmitRouter" "EmitTimezone" "Timezone"
])
(assertValueOneOf "EmitDNS" boolValues)
(assertValueOneOf "EmitNTP" boolValues)
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(assertValueOneOf "EmitRouter" boolValues)
(assertValueOneOf "EmitTimezone" boolValues)
];
# .network files have a [Link] section with different options than in .netlink files
checkNetworkLink = checkUnitConfig "Link" [
(assertOnlyFields [
"MACAddress" "MTUBytes" "ARP" "Unmanaged" "RequiredForOnline"
])
(assertMacAddress "MACAddress")
(assertByteFormat "MTUBytes")
(assertValueOneOf "ARP" boolValues)
(assertValueOneOf "Unmanaged" boolValues)
(assertValueOneOf "RquiredForOnline" boolValues)
];
commonNetworkOptions = {
enable = mkOption {
default = true;
type = types.bool;
description = ''
Whether to manage network configuration using <command>systemd-network</command>.
'';
};
matchConfig = mkOption {
default = {};
example = { Name = "eth0"; };
type = types.attrsOf unitOption;
description = ''
Each attribute in this set specifies an option in the
<literal>[Match]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>
<citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>
<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for details.
'';
};
extraConfig = mkOption {
default = "";
type = types.lines;
description = "Extra configuration append to unit";
};
};
linkOptions = commonNetworkOptions // {
linkConfig = mkOption {
default = {};
example = { MACAddress = "00:ff:ee:aa:cc:dd"; };
type = types.addCheck (types.attrsOf unitOption) checkLink;
description = ''
Each attribute in this set specifies an option in the
<literal>[Link]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.link</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
};
netdevOptions = commonNetworkOptions // {
netdevConfig = mkOption {
default = {};
example = { Name = "mybridge"; Kind = "bridge"; };
type = types.addCheck (types.attrsOf unitOption) checkNetdev;
description = ''
Each attribute in this set specifies an option in the
<literal>[Netdev]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
vlanConfig = mkOption {
default = {};
example = { Id = "4"; };
type = types.addCheck (types.attrsOf unitOption) checkVlan;
description = ''
Each attribute in this set specifies an option in the
<literal>[VLAN]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
macvlanConfig = mkOption {
default = {};
example = { Mode = "private"; };
type = types.addCheck (types.attrsOf unitOption) checkMacvlan;
description = ''
Each attribute in this set specifies an option in the
<literal>[MACVLAN]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
vxlanConfig = mkOption {
default = {};
example = { Id = "4"; };
type = types.addCheck (types.attrsOf unitOption) checkVxlan;
description = ''
Each attribute in this set specifies an option in the
<literal>[VXLAN]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
tunnelConfig = mkOption {
default = {};
example = { Remote = "192.168.1.1"; };
type = types.addCheck (types.attrsOf unitOption) checkTunnel;
description = ''
Each attribute in this set specifies an option in the
<literal>[Tunnel]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
peerConfig = mkOption {
default = {};
example = { Name = "veth2"; };
type = types.addCheck (types.attrsOf unitOption) checkPeer;
description = ''
Each attribute in this set specifies an option in the
<literal>[Peer]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
tunConfig = mkOption {
default = {};
example = { User = "openvpn"; };
type = types.addCheck (types.attrsOf unitOption) checkTun;
description = ''
Each attribute in this set specifies an option in the
<literal>[Tun]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
tapConfig = mkOption {
default = {};
example = { User = "openvpn"; };
type = types.addCheck (types.attrsOf unitOption) checkTap;
description = ''
Each attribute in this set specifies an option in the
<literal>[Tap]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
bondConfig = mkOption {
default = {};
example = { Mode = "802.3ad"; };
type = types.addCheck (types.attrsOf unitOption) checkBond;
description = ''
Each attribute in this set specifies an option in the
<literal>[Bond]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
};
addressOptions = {
options = {
addressConfig = mkOption {
default = {};
example = { Address = "192.168.0.100/24"; };
type = types.addCheck (types.attrsOf unitOption) checkAddress;
description = ''
Each attribute in this set specifies an option in the
<literal>[Address]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
};
};
routeOptions = {
options = {
routeConfig = mkOption {
default = {};
example = { Gateway = "192.168.0.1"; };
type = types.addCheck (types.attrsOf unitOption) checkRoute;
description = ''
Each attribute in this set specifies an option in the
<literal>[Route]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
};
};
networkOptions = commonNetworkOptions // {
networkConfig = mkOption {
default = {};
example = { Description = "My Network"; };
type = types.addCheck (types.attrsOf unitOption) checkNetwork;
description = ''
Each attribute in this set specifies an option in the
<literal>[Network]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
dhcpConfig = mkOption {
default = {};
example = { UseDNS = true; UseRoutes = true; };
type = types.addCheck (types.attrsOf unitOption) checkDhcp;
description = ''
Each attribute in this set specifies an option in the
<literal>[DHCP]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
dhcpServerConfig = mkOption {
default = {};
example = { PoolOffset = 50; EmitDNS = false; };
type = types.addCheck (types.attrsOf unitOption) checkDhcpServer;
description = ''
Each attribute in this set specifies an option in the
<literal>[DHCPServer]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
linkConfig = mkOption {
default = {};
example = { Unmanaged = true; };
type = types.addCheck (types.attrsOf unitOption) checkNetworkLink;
description = ''
Each attribute in this set specifies an option in the
<literal>[Link]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
name = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The name of the network interface to match against.
'';
};
DHCP = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Whether to enable DHCP on the interfaces matched.
'';
};
domains = mkOption {
type = types.nullOr (types.listOf types.str);
default = null;
description = ''
A list of domains to pass to the network config.
'';
};
address = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of addresses to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
gateway = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of gateways to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
dns = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of dns servers to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
ntp = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of ntp servers to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
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bridge = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of bridge interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
bond = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of bond interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
vrf = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of vrf interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
vlan = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of vlan interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
macvlan = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of macvlan interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
vxlan = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of vxlan interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
tunnel = mkOption {
default = [ ];
type = types.listOf types.str;
description = ''
A list of tunnel interfaces to be added to the network section of the
unit. See <citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
addresses = mkOption {
default = [ ];
type = with types; listOf (submodule addressOptions);
description = ''
A list of address sections to be added to the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
routes = mkOption {
default = [ ];
type = with types; listOf (submodule routeOptions);
description = ''
A list of route sections to be added to the unit. See
<citerefentry><refentrytitle>systemd.network</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
'';
};
};
networkConfig = { config, ... }: {
config = {
matchConfig = optionalAttrs (config.name != null) {
Name = config.name;
};
networkConfig = optionalAttrs (config.DHCP != null) {
DHCP = config.DHCP;
} // optionalAttrs (config.domains != null) {
Domains = concatStringsSep " " config.domains;
};
};
};
commonMatchText = def: ''
[Match]
${attrsToSection def.matchConfig}
'';
linkToUnit = name: def:
{ inherit (def) enable;
text = commonMatchText def +
''
[Link]
${attrsToSection def.linkConfig}
${def.extraConfig}
'';
};
netdevToUnit = name: def:
{ inherit (def) enable;
text = commonMatchText def +
''
[NetDev]
${attrsToSection def.netdevConfig}
${optionalString (def.vlanConfig != { }) ''
[VLAN]
${attrsToSection def.vlanConfig}
''}
${optionalString (def.macvlanConfig != { }) ''
[MACVLAN]
${attrsToSection def.macvlanConfig}
''}
${optionalString (def.vxlanConfig != { }) ''
[VXLAN]
${attrsToSection def.vxlanConfig}
''}
${optionalString (def.tunnelConfig != { }) ''
[Tunnel]
${attrsToSection def.tunnelConfig}
''}
${optionalString (def.peerConfig != { }) ''
[Peer]
${attrsToSection def.peerConfig}
''}
${optionalString (def.tunConfig != { }) ''
[Tun]
${attrsToSection def.tunConfig}
''}
${optionalString (def.tapConfig != { }) ''
[Tap]
${attrsToSection def.tapConfig}
''}
${optionalString (def.bondConfig != { }) ''
[Bond]
${attrsToSection def.bondConfig}
''}
${def.extraConfig}
'';
};
networkToUnit = name: def:
{ inherit (def) enable;
text = commonMatchText def +
''
${optionalString (def.linkConfig != { }) ''
[Link]
${attrsToSection def.linkConfig}
''}
[Network]
${attrsToSection def.networkConfig}
${concatStringsSep "\n" (map (s: "Address=${s}") def.address)}
${concatStringsSep "\n" (map (s: "Gateway=${s}") def.gateway)}
${concatStringsSep "\n" (map (s: "DNS=${s}") def.dns)}
${concatStringsSep "\n" (map (s: "NTP=${s}") def.ntp)}
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${concatStringsSep "\n" (map (s: "Bridge=${s}") def.bridge)}
${concatStringsSep "\n" (map (s: "Bond=${s}") def.bond)}
${concatStringsSep "\n" (map (s: "VRF=${s}") def.vrf)}
${concatStringsSep "\n" (map (s: "VLAN=${s}") def.vlan)}
${concatStringsSep "\n" (map (s: "MACVLAN=${s}") def.macvlan)}
${concatStringsSep "\n" (map (s: "VXLAN=${s}") def.vxlan)}
${concatStringsSep "\n" (map (s: "Tunnel=${s}") def.tunnel)}
${optionalString (def.dhcpConfig != { }) ''
[DHCP]
${attrsToSection def.dhcpConfig}
''}
${optionalString (def.dhcpServerConfig != { }) ''
[DHCPServer]
${attrsToSection def.dhcpServerConfig}
''}
${flip concatMapStrings def.addresses (x: ''
[Address]
${attrsToSection x.addressConfig}
'')}
${flip concatMapStrings def.routes (x: ''
[Route]
${attrsToSection x.routeConfig}
'')}
${def.extraConfig}
'';
};
unitFiles = map (name: {
target = "systemd/network/${name}";
source = "${cfg.units.${name}.unit}/${name}";
}) (attrNames cfg.units);
in
{
options = {
systemd.network.enable = mkOption {
default = false;
type = types.bool;
description = ''
Whether to enable networkd or not.
'';
};
systemd.network.links = mkOption {
default = {};
type = with types; attrsOf (submodule [ { options = linkOptions; } ]);
description = "Definition of systemd network links.";
};
systemd.network.netdevs = mkOption {
default = {};
type = with types; attrsOf (submodule [ { options = netdevOptions; } ]);
description = "Definition of systemd network devices.";
};
systemd.network.networks = mkOption {
default = {};
type = with types; attrsOf (submodule [ { options = networkOptions; } networkConfig ]);
description = "Definition of systemd networks.";
};
systemd.network.units = mkOption {
description = "Definition of networkd units.";
default = {};
type = with types; attrsOf (submodule (
{ name, config, ... }:
{ options = concreteUnitOptions;
config = {
unit = mkDefault (makeUnit name config);
};
}));
};
};
config = mkIf config.systemd.network.enable {
systemd.additionalUpstreamSystemUnits = [
"systemd-networkd.service" "systemd-networkd-wait-online.service"
];
systemd.network.units = mapAttrs' (n: v: nameValuePair "${n}.link" (linkToUnit n v)) cfg.links
// mapAttrs' (n: v: nameValuePair "${n}.netdev" (netdevToUnit n v)) cfg.netdevs
// mapAttrs' (n: v: nameValuePair "${n}.network" (networkToUnit n v)) cfg.networks;
environment.etc = unitFiles;
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systemd.services.systemd-networkd = {
wantedBy = [ "multi-user.target" ];
restartTriggers = map (f: f.source) (unitFiles);
# prevent race condition with interface renaming (#39069)
requires = [ "systemd-udev-settle.service" ];
after = [ "systemd-udev-settle.service" ];
};
systemd.services.systemd-networkd-wait-online = {
wantedBy = [ "network-online.target" ];
};
systemd.services."systemd-network-wait-online@" = {
description = "Wait for Network Interface %I to be Configured";
conflicts = [ "shutdown.target" ];
requisite = [ "systemd-networkd.service" ];
after = [ "systemd-networkd.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = "${config.systemd.package}/lib/systemd/systemd-networkd-wait-online -i %I";
};
};
services.resolved.enable = mkDefault true;
};
}