mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-22 23:13:19 +00:00
systemd-initrd: Automatically configure networking.interfaces
This commit is contained in:
Will Fancher
parent
dd392d7c76
commit
748f1329fc
@ -28,11 +28,164 @@ let
|
||||
# TODO: warn the user that any address configured on those interfaces will be useless
|
||||
++ concatMap (i: attrNames (filterAttrs (_: config: config.type != "internal") i.interfaces)) (attrValues cfg.vswitches);
|
||||
|
||||
domains = cfg.search ++ (optional (cfg.domain != null) cfg.domain);
|
||||
genericNetwork = override:
|
||||
let gateway = optional (cfg.defaultGateway != null && (cfg.defaultGateway.address or "") != "") cfg.defaultGateway.address
|
||||
++ optional (cfg.defaultGateway6 != null && (cfg.defaultGateway6.address or "") != "") cfg.defaultGateway6.address;
|
||||
makeGateway = gateway: {
|
||||
routeConfig = {
|
||||
Gateway = gateway;
|
||||
GatewayOnLink = false;
|
||||
};
|
||||
};
|
||||
in optionalAttrs (gateway != [ ]) {
|
||||
routes = override (map makeGateway gateway);
|
||||
} // optionalAttrs (domains != [ ]) {
|
||||
domains = override domains;
|
||||
};
|
||||
|
||||
genericDhcpNetworks = initrd: mkIf cfg.useDHCP {
|
||||
networks."99-ethernet-default-dhcp" = {
|
||||
# We want to match physical ethernet interfaces as commonly
|
||||
# found on laptops, desktops and servers, to provide an
|
||||
# "out-of-the-box" setup that works for common cases. This
|
||||
# heuristic isn't perfect (it could match interfaces with
|
||||
# custom names that _happen_ to start with en or eth), but
|
||||
# should be good enough to make the common case easy and can
|
||||
# be overridden on a case-by-case basis using
|
||||
# higher-priority networks or by disabling useDHCP.
|
||||
|
||||
# Type=ether matches veth interfaces as well, and this is
|
||||
# more likely to result in interfaces being configured to
|
||||
# use DHCP when they shouldn't.
|
||||
|
||||
# When wait-online.anyInterface is enabled, RequiredForOnline really
|
||||
# means "sufficient for online", so we can enable it.
|
||||
# Otherwise, don't block the network coming online because of default networks.
|
||||
matchConfig.Name = ["en*" "eth*"];
|
||||
DHCP = "yes";
|
||||
linkConfig.RequiredForOnline =
|
||||
lib.mkDefault (if initrd
|
||||
then config.boot.initrd.systemd.network.wait-online.anyInterface
|
||||
else config.systemd.network.wait-online.anyInterface);
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
};
|
||||
networks."99-wireless-client-dhcp" = {
|
||||
# Like above, but this is much more likely to be correct.
|
||||
matchConfig.WLANInterfaceType = "station";
|
||||
DHCP = "yes";
|
||||
linkConfig.RequiredForOnline =
|
||||
lib.mkDefault config.systemd.network.wait-online.anyInterface;
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
# We also set the route metric to one more than the default
|
||||
# of 1024, so that Ethernet is preferred if both are
|
||||
# available.
|
||||
dhcpV4Config.RouteMetric = 1025;
|
||||
ipv6AcceptRAConfig.RouteMetric = 1025;
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
interfaceNetworks = mkMerge (forEach interfaces (i: {
|
||||
netdevs = mkIf i.virtual ({
|
||||
"40-${i.name}" = {
|
||||
netdevConfig = {
|
||||
Name = i.name;
|
||||
Kind = i.virtualType;
|
||||
};
|
||||
"${i.virtualType}Config" = optionalAttrs (i.virtualOwner != null) {
|
||||
User = i.virtualOwner;
|
||||
};
|
||||
};
|
||||
});
|
||||
networks."40-${i.name}" = mkMerge [ (genericNetwork id) {
|
||||
name = mkDefault i.name;
|
||||
DHCP = mkForce (dhcpStr
|
||||
(if i.useDHCP != null then i.useDHCP else false));
|
||||
address = forEach (interfaceIps i)
|
||||
(ip: "${ip.address}/${toString ip.prefixLength}");
|
||||
routes = forEach (interfaceRoutes i)
|
||||
(route: {
|
||||
# Most of these route options have not been tested.
|
||||
# Please fix or report any mistakes you may find.
|
||||
routeConfig =
|
||||
optionalAttrs (route.address != null && route.prefixLength != null) {
|
||||
Destination = "${route.address}/${toString route.prefixLength}";
|
||||
} //
|
||||
optionalAttrs (route.options ? fastopen_no_cookie) {
|
||||
FastOpenNoCookie = route.options.fastopen_no_cookie;
|
||||
} //
|
||||
optionalAttrs (route.via != null) {
|
||||
Gateway = route.via;
|
||||
} //
|
||||
optionalAttrs (route.type != null) {
|
||||
Type = route.type;
|
||||
} //
|
||||
optionalAttrs (route.options ? onlink) {
|
||||
GatewayOnLink = true;
|
||||
} //
|
||||
optionalAttrs (route.options ? initrwnd) {
|
||||
InitialAdvertisedReceiveWindow = route.options.initrwnd;
|
||||
} //
|
||||
optionalAttrs (route.options ? initcwnd) {
|
||||
InitialCongestionWindow = route.options.initcwnd;
|
||||
} //
|
||||
optionalAttrs (route.options ? pref) {
|
||||
IPv6Preference = route.options.pref;
|
||||
} //
|
||||
optionalAttrs (route.options ? mtu) {
|
||||
MTUBytes = route.options.mtu;
|
||||
} //
|
||||
optionalAttrs (route.options ? metric) {
|
||||
Metric = route.options.metric;
|
||||
} //
|
||||
optionalAttrs (route.options ? src) {
|
||||
PreferredSource = route.options.src;
|
||||
} //
|
||||
optionalAttrs (route.options ? protocol) {
|
||||
Protocol = route.options.protocol;
|
||||
} //
|
||||
optionalAttrs (route.options ? quickack) {
|
||||
QuickAck = route.options.quickack;
|
||||
} //
|
||||
optionalAttrs (route.options ? scope) {
|
||||
Scope = route.options.scope;
|
||||
} //
|
||||
optionalAttrs (route.options ? from) {
|
||||
Source = route.options.from;
|
||||
} //
|
||||
optionalAttrs (route.options ? table) {
|
||||
Table = route.options.table;
|
||||
} //
|
||||
optionalAttrs (route.options ? advmss) {
|
||||
TCPAdvertisedMaximumSegmentSize = route.options.advmss;
|
||||
} //
|
||||
optionalAttrs (route.options ? ttl-propagate) {
|
||||
TTLPropagate = route.options.ttl-propagate == "enabled";
|
||||
};
|
||||
});
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
linkConfig = optionalAttrs (i.macAddress != null) {
|
||||
MACAddress = i.macAddress;
|
||||
} // optionalAttrs (i.mtu != null) {
|
||||
MTUBytes = toString i.mtu;
|
||||
};
|
||||
}];
|
||||
}));
|
||||
|
||||
in
|
||||
|
||||
{
|
||||
config = mkMerge [
|
||||
|
||||
config = mkIf cfg.useNetworkd {
|
||||
(mkIf config.boot.initrd.network.enable {
|
||||
# Note this is if initrd.network.enable, not if
|
||||
# initrd.systemd.network.enable. By setting the latter and not the
|
||||
# former, the user retains full control over the configuration.
|
||||
boot.initrd.systemd.network = mkMerge [(genericDhcpNetworks true) interfaceNetworks];
|
||||
})
|
||||
|
||||
(mkIf cfg.useNetworkd {
|
||||
|
||||
assertions = [ {
|
||||
assertion = cfg.defaultGatewayWindowSize == null;
|
||||
@ -54,149 +207,11 @@ in
|
||||
networking.dhcpcd.enable = mkDefault false;
|
||||
|
||||
systemd.network =
|
||||
let
|
||||
domains = cfg.search ++ (optional (cfg.domain != null) cfg.domain);
|
||||
genericNetwork = override:
|
||||
let gateway = optional (cfg.defaultGateway != null && (cfg.defaultGateway.address or "") != "") cfg.defaultGateway.address
|
||||
++ optional (cfg.defaultGateway6 != null && (cfg.defaultGateway6.address or "") != "") cfg.defaultGateway6.address;
|
||||
makeGateway = gateway: {
|
||||
routeConfig = {
|
||||
Gateway = gateway;
|
||||
GatewayOnLink = false;
|
||||
};
|
||||
};
|
||||
in optionalAttrs (gateway != [ ]) {
|
||||
routes = override (map makeGateway gateway);
|
||||
} // optionalAttrs (domains != [ ]) {
|
||||
domains = override domains;
|
||||
};
|
||||
in mkMerge [ {
|
||||
mkMerge [ {
|
||||
enable = true;
|
||||
}
|
||||
(mkIf cfg.useDHCP {
|
||||
networks."99-ethernet-default-dhcp" = lib.mkIf cfg.useDHCP {
|
||||
# We want to match physical ethernet interfaces as commonly
|
||||
# found on laptops, desktops and servers, to provide an
|
||||
# "out-of-the-box" setup that works for common cases. This
|
||||
# heuristic isn't perfect (it could match interfaces with
|
||||
# custom names that _happen_ to start with en or eth), but
|
||||
# should be good enough to make the common case easy and can
|
||||
# be overridden on a case-by-case basis using
|
||||
# higher-priority networks or by disabling useDHCP.
|
||||
|
||||
# Type=ether matches veth interfaces as well, and this is
|
||||
# more likely to result in interfaces being configured to
|
||||
# use DHCP when they shouldn't.
|
||||
|
||||
# When wait-online.anyInterface is enabled, RequiredForOnline really
|
||||
# means "sufficient for online", so we can enable it.
|
||||
# Otherwise, don't block the network coming online because of default networks.
|
||||
matchConfig.Name = ["en*" "eth*"];
|
||||
DHCP = "yes";
|
||||
linkConfig.RequiredForOnline =
|
||||
lib.mkDefault config.systemd.network.wait-online.anyInterface;
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
};
|
||||
networks."99-wireless-client-dhcp" = lib.mkIf cfg.useDHCP {
|
||||
# Like above, but this is much more likely to be correct.
|
||||
matchConfig.WLANInterfaceType = "station";
|
||||
DHCP = "yes";
|
||||
linkConfig.RequiredForOnline =
|
||||
lib.mkDefault config.systemd.network.wait-online.anyInterface;
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
# We also set the route metric to one more than the default
|
||||
# of 1024, so that Ethernet is preferred if both are
|
||||
# available.
|
||||
dhcpV4Config.RouteMetric = 1025;
|
||||
ipv6AcceptRAConfig.RouteMetric = 1025;
|
||||
};
|
||||
})
|
||||
(mkMerge (forEach interfaces (i: {
|
||||
netdevs = mkIf i.virtual ({
|
||||
"40-${i.name}" = {
|
||||
netdevConfig = {
|
||||
Name = i.name;
|
||||
Kind = i.virtualType;
|
||||
};
|
||||
"${i.virtualType}Config" = optionalAttrs (i.virtualOwner != null) {
|
||||
User = i.virtualOwner;
|
||||
};
|
||||
};
|
||||
});
|
||||
networks."40-${i.name}" = mkMerge [ (genericNetwork id) {
|
||||
name = mkDefault i.name;
|
||||
DHCP = mkForce (dhcpStr
|
||||
(if i.useDHCP != null then i.useDHCP else false));
|
||||
address = forEach (interfaceIps i)
|
||||
(ip: "${ip.address}/${toString ip.prefixLength}");
|
||||
routes = forEach (interfaceRoutes i)
|
||||
(route: {
|
||||
# Most of these route options have not been tested.
|
||||
# Please fix or report any mistakes you may find.
|
||||
routeConfig =
|
||||
optionalAttrs (route.address != null && route.prefixLength != null) {
|
||||
Destination = "${route.address}/${toString route.prefixLength}";
|
||||
} //
|
||||
optionalAttrs (route.options ? fastopen_no_cookie) {
|
||||
FastOpenNoCookie = route.options.fastopen_no_cookie;
|
||||
} //
|
||||
optionalAttrs (route.via != null) {
|
||||
Gateway = route.via;
|
||||
} //
|
||||
optionalAttrs (route.type != null) {
|
||||
Type = route.type;
|
||||
} //
|
||||
optionalAttrs (route.options ? onlink) {
|
||||
GatewayOnLink = true;
|
||||
} //
|
||||
optionalAttrs (route.options ? initrwnd) {
|
||||
InitialAdvertisedReceiveWindow = route.options.initrwnd;
|
||||
} //
|
||||
optionalAttrs (route.options ? initcwnd) {
|
||||
InitialCongestionWindow = route.options.initcwnd;
|
||||
} //
|
||||
optionalAttrs (route.options ? pref) {
|
||||
IPv6Preference = route.options.pref;
|
||||
} //
|
||||
optionalAttrs (route.options ? mtu) {
|
||||
MTUBytes = route.options.mtu;
|
||||
} //
|
||||
optionalAttrs (route.options ? metric) {
|
||||
Metric = route.options.metric;
|
||||
} //
|
||||
optionalAttrs (route.options ? src) {
|
||||
PreferredSource = route.options.src;
|
||||
} //
|
||||
optionalAttrs (route.options ? protocol) {
|
||||
Protocol = route.options.protocol;
|
||||
} //
|
||||
optionalAttrs (route.options ? quickack) {
|
||||
QuickAck = route.options.quickack;
|
||||
} //
|
||||
optionalAttrs (route.options ? scope) {
|
||||
Scope = route.options.scope;
|
||||
} //
|
||||
optionalAttrs (route.options ? from) {
|
||||
Source = route.options.from;
|
||||
} //
|
||||
optionalAttrs (route.options ? table) {
|
||||
Table = route.options.table;
|
||||
} //
|
||||
optionalAttrs (route.options ? advmss) {
|
||||
TCPAdvertisedMaximumSegmentSize = route.options.advmss;
|
||||
} //
|
||||
optionalAttrs (route.options ? ttl-propagate) {
|
||||
TTLPropagate = route.options.ttl-propagate == "enabled";
|
||||
};
|
||||
});
|
||||
networkConfig.IPv6PrivacyExtensions = "kernel";
|
||||
linkConfig = optionalAttrs (i.macAddress != null) {
|
||||
MACAddress = i.macAddress;
|
||||
} // optionalAttrs (i.mtu != null) {
|
||||
MTUBytes = toString i.mtu;
|
||||
};
|
||||
}];
|
||||
})))
|
||||
(genericDhcpNetworks false)
|
||||
interfaceNetworks
|
||||
(mkMerge (flip mapAttrsToList cfg.bridges (name: bridge: {
|
||||
netdevs."40-${name}" = {
|
||||
netdevConfig = {
|
||||
@ -437,6 +452,7 @@ in
|
||||
bindsTo = [ "systemd-networkd.service" ];
|
||||
};
|
||||
};
|
||||
};
|
||||
})
|
||||
|
||||
];
|
||||
}
|
||||
|
||||
@ -8,12 +8,9 @@ import ./make-test-python.nix ({ pkgs, lib, ... }: {
|
||||
|
||||
boot.initrd.systemd = {
|
||||
enable = true;
|
||||
network.networks."99-eth0" = {
|
||||
matchConfig.Name = "eth0";
|
||||
DHCP = "yes";
|
||||
};
|
||||
# Enable network-online to fail the test in case of timeout
|
||||
network.wait-online.timeout = 10;
|
||||
# Drop the boot into emergency mode if we timeout
|
||||
network.wait-online.anyInterface = true;
|
||||
targets.network-online.requiredBy = [ "initrd.target" ];
|
||||
services.systemd-networkd-wait-online.requiredBy =
|
||||
[ "network-online.target" ];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user