pyrox.dev
1{ config, lib, pkgs, utils, ... }:
2
3with utils;
4with lib;
5
6let
7
8 cfg = config.networking;
9 interfaces = attrValues cfg.interfaces;
10
11 slaves = concatMap (i: i.interfaces) (attrValues cfg.bonds)
12 ++ concatMap (i: i.interfaces) (attrValues cfg.bridges)
13 ++ concatMap (i: attrNames (filterAttrs (_: config: config.type != "internal") i.interfaces)) (attrValues cfg.vswitches)
14 ++ concatMap (i: [i.interface]) (attrValues cfg.macvlans)
15 ++ concatMap (i: [i.interface]) (attrValues cfg.vlans);
16
17 # We must escape interfaces due to the systemd interpretation
18 subsystemDevice = interface:
19 "sys-subsystem-net-devices-${escapeSystemdPath interface}.device";
20
21 interfaceIps = i:
22 i.ipv4.addresses
23 ++ optionals cfg.enableIPv6 i.ipv6.addresses;
24
25 destroyBond = i: ''
26 while true; do
27 UPDATED=1
28 SLAVES=$(ip link | grep 'master ${i}' | awk -F: '{print $2}')
29 for I in $SLAVES; do
30 UPDATED=0
31 ip link set "$I" nomaster
32 done
33 [ "$UPDATED" -eq "1" ] && break
34 done
35 ip link set "${i}" down 2>/dev/null || true
36 ip link del "${i}" 2>/dev/null || true
37 '';
38
39 # warn that these attributes are deprecated (2017-2-2)
40 # Should be removed in the release after next
41 bondDeprecation = rec {
42 deprecated = [ "lacp_rate" "miimon" "mode" "xmit_hash_policy" ];
43 filterDeprecated = bond: (filterAttrs (attrName: attr:
44 elem attrName deprecated && attr != null) bond);
45 };
46
47 bondWarnings =
48 let oneBondWarnings = bondName: bond:
49 mapAttrsToList (bondText bondName) (bondDeprecation.filterDeprecated bond);
50 bondText = bondName: optName: _:
51 "${bondName}.${optName} is deprecated, use ${bondName}.driverOptions";
52 in {
53 warnings = flatten (mapAttrsToList oneBondWarnings cfg.bonds);
54 };
55
56 normalConfig = {
57 systemd.network.links = let
58 createNetworkLink = i: nameValuePair "40-${i.name}" {
59 matchConfig.OriginalName = i.name;
60 linkConfig = optionalAttrs (i.macAddress != null) {
61 MACAddress = i.macAddress;
62 } // optionalAttrs (i.mtu != null) {
63 MTUBytes = toString i.mtu;
64 } // optionalAttrs (i.wakeOnLan.enable == true) {
65 WakeOnLan = "magic";
66 };
67 };
68 in listToAttrs (map createNetworkLink interfaces);
69 systemd.services =
70 let
71
72 deviceDependency = dev:
73 # Use systemd service if we manage device creation, else
74 # trust udev when not in a container
75 if (hasAttr dev (filterAttrs (k: v: v.virtual) cfg.interfaces)) ||
76 (hasAttr dev cfg.bridges) ||
77 (hasAttr dev cfg.bonds) ||
78 (hasAttr dev cfg.macvlans) ||
79 (hasAttr dev cfg.sits) ||
80 (hasAttr dev cfg.vlans) ||
81 (hasAttr dev cfg.vswitches)
82 then [ "${dev}-netdev.service" ]
83 else optional (dev != null && dev != "lo" && !config.boot.isContainer) (subsystemDevice dev);
84
85 hasDefaultGatewaySet = (cfg.defaultGateway != null && cfg.defaultGateway.address != "")
86 || (cfg.enableIPv6 && cfg.defaultGateway6 != null && cfg.defaultGateway6.address != "");
87
88 networkLocalCommands = {
89 after = [ "network-setup.service" ];
90 bindsTo = [ "network-setup.service" ];
91 };
92
93 networkSetup =
94 { description = "Networking Setup";
95
96 after = [ "network-pre.target" "systemd-udevd.service" "systemd-sysctl.service" ];
97 before = [ "network.target" "shutdown.target" ];
98 wants = [ "network.target" ];
99 # exclude bridges from the partOf relationship to fix container networking bug #47210
100 partOf = map (i: "network-addresses-${i.name}.service") (filter (i: !(hasAttr i.name cfg.bridges)) interfaces);
101 conflicts = [ "shutdown.target" ];
102 wantedBy = [ "multi-user.target" ] ++ optional hasDefaultGatewaySet "network-online.target";
103
104 unitConfig.ConditionCapability = "CAP_NET_ADMIN";
105
106 path = [ pkgs.iproute2 ];
107
108 serviceConfig = {
109 Type = "oneshot";
110 RemainAfterExit = true;
111 };
112
113 unitConfig.DefaultDependencies = false;
114
115 script =
116 ''
117 ${optionalString config.networking.resolvconf.enable ''
118 # Set the static DNS configuration, if given.
119 ${pkgs.openresolv}/sbin/resolvconf -m 1 -a static <<EOF
120 ${optionalString (cfg.nameservers != [] && cfg.domain != null) ''
121 domain ${cfg.domain}
122 ''}
123 ${optionalString (cfg.search != []) ("search " + concatStringsSep " " cfg.search)}
124 ${flip concatMapStrings cfg.nameservers (ns: ''
125 nameserver ${ns}
126 '')}
127 EOF
128 ''}
129
130 # Set the default gateway.
131 ${optionalString (cfg.defaultGateway != null && cfg.defaultGateway.address != "") ''
132 ${optionalString (cfg.defaultGateway.interface != null) ''
133 ip route replace ${cfg.defaultGateway.address} dev ${cfg.defaultGateway.interface} ${optionalString (cfg.defaultGateway.metric != null)
134 "metric ${toString cfg.defaultGateway.metric}"
135 } proto static
136 ''}
137 ip route replace default ${optionalString (cfg.defaultGateway.metric != null)
138 "metric ${toString cfg.defaultGateway.metric}"
139 } via "${cfg.defaultGateway.address}" ${
140 optionalString (cfg.defaultGatewayWindowSize != null)
141 "window ${toString cfg.defaultGatewayWindowSize}"} ${
142 optionalString (cfg.defaultGateway.interface != null)
143 "dev ${cfg.defaultGateway.interface}"} proto static
144 ''}
145 ${optionalString (cfg.defaultGateway6 != null && cfg.defaultGateway6.address != "") ''
146 ${optionalString (cfg.defaultGateway6.interface != null) ''
147 ip -6 route replace ${cfg.defaultGateway6.address} dev ${cfg.defaultGateway6.interface} ${optionalString (cfg.defaultGateway6.metric != null)
148 "metric ${toString cfg.defaultGateway6.metric}"
149 } proto static
150 ''}
151 ip -6 route replace default ${optionalString (cfg.defaultGateway6.metric != null)
152 "metric ${toString cfg.defaultGateway6.metric}"
153 } via "${cfg.defaultGateway6.address}" ${
154 optionalString (cfg.defaultGatewayWindowSize != null)
155 "window ${toString cfg.defaultGatewayWindowSize}"} ${
156 optionalString (cfg.defaultGateway6.interface != null)
157 "dev ${cfg.defaultGateway6.interface}"} proto static
158 ''}
159 '';
160 };
161
162 # For each interface <foo>, create a job ‘network-addresses-<foo>.service"
163 # that performs static address configuration. It has a "wants"
164 # dependency on ‘<foo>.service’, which is supposed to create
165 # the interface and need not exist (i.e. for hardware
166 # interfaces). It has a binds-to dependency on the actual
167 # network device, so it only gets started after the interface
168 # has appeared, and it's stopped when the interface
169 # disappears.
170 configureAddrs = i:
171 let
172 ips = interfaceIps i;
173 in
174 nameValuePair "network-addresses-${i.name}"
175 { description = "Address configuration of ${i.name}";
176 wantedBy = [
177 "network-setup.service"
178 "network.target"
179 ];
180 # order before network-setup because the routes that are configured
181 # there may need ip addresses configured
182 before = [ "network-setup.service" ];
183 bindsTo = deviceDependency i.name;
184 after = [ "network-pre.target" ] ++ (deviceDependency i.name);
185 serviceConfig.Type = "oneshot";
186 serviceConfig.RemainAfterExit = true;
187 # Restart rather than stop+start this unit to prevent the
188 # network from dying during switch-to-configuration.
189 stopIfChanged = false;
190 path = [ pkgs.iproute2 ];
191 script =
192 ''
193 state="/run/nixos/network/addresses/${i.name}"
194 mkdir -p $(dirname "$state")
195
196 ip link set "${i.name}" up
197
198 ${flip concatMapStrings ips (ip:
199 let
200 cidr = "${ip.address}/${toString ip.prefixLength}";
201 in
202 ''
203 echo "${cidr}" >> $state
204 echo -n "adding address ${cidr}... "
205 if out=$(ip addr add "${cidr}" dev "${i.name}" 2>&1); then
206 echo "done"
207 elif ! echo "$out" | grep "File exists" >/dev/null 2>&1; then
208 echo "'ip addr add "${cidr}" dev "${i.name}"' failed: $out"
209 exit 1
210 fi
211 ''
212 )}
213
214 state="/run/nixos/network/routes/${i.name}"
215 mkdir -p $(dirname "$state")
216
217 ${flip concatMapStrings (i.ipv4.routes ++ i.ipv6.routes) (route:
218 let
219 cidr = "${route.address}/${toString route.prefixLength}";
220 via = optionalString (route.via != null) ''via "${route.via}"'';
221 options = concatStrings (mapAttrsToList (name: val: "${name} ${val} ") route.options);
222 in
223 ''
224 echo "${cidr}" >> $state
225 echo -n "adding route ${cidr}... "
226 if out=$(ip route add "${cidr}" ${options} ${via} dev "${i.name}" proto static 2>&1); then
227 echo "done"
228 elif ! echo "$out" | grep "File exists" >/dev/null 2>&1; then
229 echo "'ip route add "${cidr}" ${options} ${via} dev "${i.name}"' failed: $out"
230 exit 1
231 fi
232 ''
233 )}
234 '';
235 preStop = ''
236 state="/run/nixos/network/routes/${i.name}"
237 if [ -e "$state" ]; then
238 while read cidr; do
239 echo -n "deleting route $cidr... "
240 ip route del "$cidr" dev "${i.name}" >/dev/null 2>&1 && echo "done" || echo "failed"
241 done < "$state"
242 rm -f "$state"
243 fi
244
245 state="/run/nixos/network/addresses/${i.name}"
246 if [ -e "$state" ]; then
247 while read cidr; do
248 echo -n "deleting address $cidr... "
249 ip addr del "$cidr" dev "${i.name}" >/dev/null 2>&1 && echo "done" || echo "failed"
250 done < "$state"
251 rm -f "$state"
252 fi
253 '';
254 };
255
256 createTunDevice = i: nameValuePair "${i.name}-netdev"
257 { description = "Virtual Network Interface ${i.name}";
258 bindsTo = optional (!config.boot.isContainer) "dev-net-tun.device";
259 after = optional (!config.boot.isContainer) "dev-net-tun.device" ++ [ "network-pre.target" ];
260 wantedBy = [ "network-setup.service" (subsystemDevice i.name) ];
261 partOf = [ "network-setup.service" ];
262 before = [ "network-setup.service" ];
263 path = [ pkgs.iproute2 ];
264 serviceConfig = {
265 Type = "oneshot";
266 RemainAfterExit = true;
267 };
268 script = ''
269 ip tuntap add dev "${i.name}" mode "${i.virtualType}" user "${i.virtualOwner}"
270 '';
271 postStop = ''
272 ip link del ${i.name} || true
273 '';
274 };
275
276 createBridgeDevice = n: v: nameValuePair "${n}-netdev"
277 (let
278 deps = concatLists (map deviceDependency v.interfaces);
279 in
280 { description = "Bridge Interface ${n}";
281 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
282 bindsTo = deps ++ optional v.rstp "mstpd.service";
283 partOf = [ "network-setup.service" ] ++ optional v.rstp "mstpd.service";
284 after = [ "network-pre.target" ] ++ deps ++ optional v.rstp "mstpd.service"
285 ++ map (i: "network-addresses-${i}.service") v.interfaces;
286 before = [ "network-setup.service" ];
287 serviceConfig.Type = "oneshot";
288 serviceConfig.RemainAfterExit = true;
289 path = [ pkgs.iproute2 ];
290 script = ''
291 # Remove Dead Interfaces
292 echo "Removing old bridge ${n}..."
293 ip link show "${n}" >/dev/null 2>&1 && ip link del "${n}"
294
295 echo "Adding bridge ${n}..."
296 ip link add name "${n}" type bridge
297
298 # Enslave child interfaces
299 ${flip concatMapStrings v.interfaces (i: ''
300 ip link set "${i}" master "${n}"
301 ip link set "${i}" up
302 '')}
303 # Save list of enslaved interfaces
304 echo "${flip concatMapStrings v.interfaces (i: ''
305 ${i}
306 '')}" > /run/${n}.interfaces
307
308 ${optionalString config.virtualisation.libvirtd.enable ''
309 # Enslave dynamically added interfaces which may be lost on nixos-rebuild
310 #
311 # if `libvirtd.service` is not running, do not use `virsh` which would try activate it via 'libvirtd.socket' and thus start it out-of-order.
312 # `libvirtd.service` will set up bridge interfaces when it will start normally.
313 #
314 if /run/current-system/systemd/bin/systemctl --quiet is-active 'libvirtd.service'; then
315 for uri in qemu:///system lxc:///; do
316 for dom in $(${pkgs.libvirt}/bin/virsh -c $uri list --name); do
317 ${pkgs.libvirt}/bin/virsh -c $uri dumpxml "$dom" | \
318 ${pkgs.xmlstarlet}/bin/xmlstarlet sel -t -m "//domain/devices/interface[@type='bridge'][source/@bridge='${n}'][target/@dev]" -v "concat('ip link set ',target/@dev,' master ',source/@bridge,';')" | \
319 ${pkgs.bash}/bin/bash
320 done
321 done
322 fi
323 ''}
324
325 # Enable stp on the interface
326 ${optionalString v.rstp ''
327 echo 2 >/sys/class/net/${n}/bridge/stp_state
328 ''}
329
330 ip link set "${n}" up
331 '';
332 postStop = ''
333 ip link set "${n}" down || true
334 ip link del "${n}" || true
335 rm -f /run/${n}.interfaces
336 '';
337 reload = ''
338 # Un-enslave child interfaces (old list of interfaces)
339 for interface in `cat /run/${n}.interfaces`; do
340 ip link set "$interface" nomaster up
341 done
342
343 # Enslave child interfaces (new list of interfaces)
344 ${flip concatMapStrings v.interfaces (i: ''
345 ip link set "${i}" master "${n}"
346 ip link set "${i}" up
347 '')}
348 # Save list of enslaved interfaces
349 echo "${flip concatMapStrings v.interfaces (i: ''
350 ${i}
351 '')}" > /run/${n}.interfaces
352
353 # (Un-)set stp on the bridge
354 echo ${if v.rstp then "2" else "0"} > /sys/class/net/${n}/bridge/stp_state
355 '';
356 reloadIfChanged = true;
357 });
358
359 createVswitchDevice = n: v: nameValuePair "${n}-netdev"
360 (let
361 deps = concatLists (map deviceDependency (attrNames (filterAttrs (_: config: config.type != "internal") v.interfaces)));
362 internalConfigs = map (i: "network-addresses-${i}.service") (attrNames (filterAttrs (_: config: config.type == "internal") v.interfaces));
363 ofRules = pkgs.writeText "vswitch-${n}-openFlowRules" v.openFlowRules;
364 in
365 { description = "Open vSwitch Interface ${n}";
366 wantedBy = [ "network-setup.service" (subsystemDevice n) ] ++ internalConfigs;
367 # before = [ "network-setup.service" ];
368 # should work without internalConfigs dependencies because address/link configuration depends
369 # on the device, which is created by ovs-vswitchd with type=internal, but it does not...
370 before = [ "network-setup.service" ] ++ internalConfigs;
371 partOf = [ "network-setup.service" ]; # shutdown the bridge when network is shutdown
372 bindsTo = [ "ovs-vswitchd.service" ]; # requires ovs-vswitchd to be alive at all times
373 after = [ "network-pre.target" "ovs-vswitchd.service" ] ++ deps; # start switch after physical interfaces and vswitch daemon
374 wants = deps; # if one or more interface fails, the switch should continue to run
375 serviceConfig.Type = "oneshot";
376 serviceConfig.RemainAfterExit = true;
377 path = [ pkgs.iproute2 config.virtualisation.vswitch.package ];
378 preStart = ''
379 echo "Resetting Open vSwitch ${n}..."
380 ovs-vsctl --if-exists del-br ${n} -- add-br ${n} \
381 -- set bridge ${n} protocols=${concatStringsSep "," v.supportedOpenFlowVersions}
382 '';
383 script = ''
384 echo "Configuring Open vSwitch ${n}..."
385 ovs-vsctl ${concatStrings (mapAttrsToList (name: config: " -- add-port ${n} ${name}" + optionalString (config.vlan != null) " tag=${toString config.vlan}") v.interfaces)} \
386 ${concatStrings (mapAttrsToList (name: config: optionalString (config.type != null) " -- set interface ${name} type=${config.type}") v.interfaces)} \
387 ${concatMapStrings (x: " -- set-controller ${n} " + x) v.controllers} \
388 ${concatMapStrings (x: " -- " + x) (splitString "\n" v.extraOvsctlCmds)}
389
390
391 echo "Adding OpenFlow rules for Open vSwitch ${n}..."
392 ovs-ofctl --protocols=${v.openFlowVersion} add-flows ${n} ${ofRules}
393 '';
394 postStop = ''
395 echo "Cleaning Open vSwitch ${n}"
396 echo "Shuting down internal ${n} interface"
397 ip link set ${n} down || true
398 echo "Deleting flows for ${n}"
399 ovs-ofctl --protocols=${v.openFlowVersion} del-flows ${n} || true
400 echo "Deleting Open vSwitch ${n}"
401 ovs-vsctl --if-exists del-br ${n} || true
402 '';
403 });
404
405 createBondDevice = n: v: nameValuePair "${n}-netdev"
406 (let
407 deps = concatLists (map deviceDependency v.interfaces);
408 in
409 { description = "Bond Interface ${n}";
410 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
411 bindsTo = deps;
412 partOf = [ "network-setup.service" ];
413 after = [ "network-pre.target" ] ++ deps
414 ++ map (i: "network-addresses-${i}.service") v.interfaces;
415 before = [ "network-setup.service" ];
416 serviceConfig.Type = "oneshot";
417 serviceConfig.RemainAfterExit = true;
418 path = [ pkgs.iproute2 pkgs.gawk ];
419 script = ''
420 echo "Destroying old bond ${n}..."
421 ${destroyBond n}
422
423 echo "Creating new bond ${n}..."
424 ip link add name "${n}" type bond \
425 ${let opts = (mapAttrs (const toString)
426 (bondDeprecation.filterDeprecated v))
427 // v.driverOptions;
428 in concatStringsSep "\n"
429 (mapAttrsToList (set: val: " ${set} ${val} \\") opts)}
430
431 # !!! There must be a better way to wait for the interface
432 while [ ! -d "/sys/class/net/${n}" ]; do sleep 0.1; done;
433
434 # Bring up the bond and enslave the specified interfaces
435 ip link set "${n}" up
436 ${flip concatMapStrings v.interfaces (i: ''
437 ip link set "${i}" down
438 ip link set "${i}" master "${n}"
439 '')}
440 '';
441 postStop = destroyBond n;
442 });
443
444 createMacvlanDevice = n: v: nameValuePair "${n}-netdev"
445 (let
446 deps = deviceDependency v.interface;
447 in
448 { description = "Vlan Interface ${n}";
449 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
450 bindsTo = deps;
451 partOf = [ "network-setup.service" ];
452 after = [ "network-pre.target" ] ++ deps;
453 before = [ "network-setup.service" ];
454 serviceConfig.Type = "oneshot";
455 serviceConfig.RemainAfterExit = true;
456 path = [ pkgs.iproute2 ];
457 script = ''
458 # Remove Dead Interfaces
459 ip link show "${n}" >/dev/null 2>&1 && ip link delete "${n}"
460 ip link add link "${v.interface}" name "${n}" type macvlan \
461 ${optionalString (v.mode != null) "mode ${v.mode}"}
462 ip link set "${n}" up
463 '';
464 postStop = ''
465 ip link delete "${n}" || true
466 '';
467 });
468
469 createFouEncapsulation = n: v: nameValuePair "${n}-fou-encap"
470 (let
471 # if we have a device to bind to we can wait for its addresses to be
472 # configured, otherwise external sequencing is required.
473 deps = optionals (v.local != null && v.local.dev != null)
474 (deviceDependency v.local.dev ++ [ "network-addresses-${v.local.dev}.service" ]);
475 fouSpec = "port ${toString v.port} ${
476 if v.protocol != null then "ipproto ${toString v.protocol}" else "gue"
477 } ${
478 optionalString (v.local != null) "local ${escapeShellArg v.local.address} ${
479 optionalString (v.local.dev != null) "dev ${escapeShellArg v.local.dev}"
480 }"
481 }";
482 in
483 { description = "FOU endpoint ${n}";
484 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
485 bindsTo = deps;
486 partOf = [ "network-setup.service" ];
487 after = [ "network-pre.target" ] ++ deps;
488 before = [ "network-setup.service" ];
489 serviceConfig.Type = "oneshot";
490 serviceConfig.RemainAfterExit = true;
491 path = [ pkgs.iproute2 ];
492 script = ''
493 # always remove previous incarnation since show can't filter
494 ip fou del ${fouSpec} >/dev/null 2>&1 || true
495 ip fou add ${fouSpec}
496 '';
497 postStop = ''
498 ip fou del ${fouSpec} || true
499 '';
500 });
501
502 createSitDevice = n: v: nameValuePair "${n}-netdev"
503 (let
504 deps = deviceDependency v.dev;
505 in
506 { description = "6-to-4 Tunnel Interface ${n}";
507 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
508 bindsTo = deps;
509 partOf = [ "network-setup.service" ];
510 after = [ "network-pre.target" ] ++ deps;
511 before = [ "network-setup.service" ];
512 serviceConfig.Type = "oneshot";
513 serviceConfig.RemainAfterExit = true;
514 path = [ pkgs.iproute2 ];
515 script = ''
516 # Remove Dead Interfaces
517 ip link show "${n}" >/dev/null 2>&1 && ip link delete "${n}"
518 ip link add name "${n}" type sit \
519 ${optionalString (v.remote != null) "remote \"${v.remote}\""} \
520 ${optionalString (v.local != null) "local \"${v.local}\""} \
521 ${optionalString (v.ttl != null) "ttl ${toString v.ttl}"} \
522 ${optionalString (v.dev != null) "dev \"${v.dev}\""} \
523 ${optionalString (v.encapsulation != null)
524 "encap ${v.encapsulation.type} encap-dport ${toString v.encapsulation.port} ${
525 optionalString (v.encapsulation.sourcePort != null)
526 "encap-sport ${toString v.encapsulation.sourcePort}"
527 }"}
528 ip link set "${n}" up
529 '';
530 postStop = ''
531 ip link delete "${n}" || true
532 '';
533 });
534
535 createVlanDevice = n: v: nameValuePair "${n}-netdev"
536 (let
537 deps = deviceDependency v.interface;
538 in
539 { description = "Vlan Interface ${n}";
540 wantedBy = [ "network-setup.service" (subsystemDevice n) ];
541 bindsTo = deps;
542 partOf = [ "network-setup.service" ];
543 after = [ "network-pre.target" ] ++ deps;
544 before = [ "network-setup.service" ];
545 serviceConfig.Type = "oneshot";
546 serviceConfig.RemainAfterExit = true;
547 path = [ pkgs.iproute2 ];
548 script = ''
549 # Remove Dead Interfaces
550 ip link show "${n}" >/dev/null 2>&1 && ip link delete "${n}"
551 ip link add link "${v.interface}" name "${n}" type vlan id "${toString v.id}"
552
553 # We try to bring up the logical VLAN interface. If the master
554 # interface the logical interface is dependent upon is not up yet we will
555 # fail to immediately bring up the logical interface. The resulting logical
556 # interface will brought up later when the master interface is up.
557 ip link set "${n}" up || true
558 '';
559 postStop = ''
560 ip link delete "${n}" || true
561 '';
562 });
563
564 in listToAttrs (
565 map configureAddrs interfaces ++
566 map createTunDevice (filter (i: i.virtual) interfaces))
567 // mapAttrs' createBridgeDevice cfg.bridges
568 // mapAttrs' createVswitchDevice cfg.vswitches
569 // mapAttrs' createBondDevice cfg.bonds
570 // mapAttrs' createMacvlanDevice cfg.macvlans
571 // mapAttrs' createFouEncapsulation cfg.fooOverUDP
572 // mapAttrs' createSitDevice cfg.sits
573 // mapAttrs' createVlanDevice cfg.vlans
574 // {
575 network-setup = networkSetup;
576 network-local-commands = networkLocalCommands;
577 };
578
579 services.udev.extraRules =
580 ''
581 KERNEL=="tun", TAG+="systemd"
582 '';
583
584
585 };
586
587in
588
589{
590 config = mkMerge [
591 bondWarnings
592 (mkIf (!cfg.useNetworkd) normalConfig)
593 { # Ensure slave interfaces are brought up
594 networking.interfaces = genAttrs slaves (i: {});
595 }
596 ];
597}