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wireguard: add creation and destination namespaces
The two new options make it possible to create the interface in one namespace and move it to a different one, as explained at https://www.wireguard.com/netns/.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| let | ||
| listenPort = 12345; | ||
| socketNamespace = "foo"; | ||
| interfaceNamespace = "bar"; | ||
| node = { | ||
| networking.wireguard.interfaces.wg0 = { | ||
| listenPort = listenPort; | ||
| ips = [ "10.10.10.1/24" ]; | ||
| privateKeyFile = "/etc/wireguard/private"; | ||
| generatePrivateKeyFile = true; | ||
| }; | ||
| }; | ||
|
|
||
| in | ||
|
|
||
| import ../make-test.nix ({ pkgs, ...} : { | ||
| name = "wireguard-with-namespaces"; | ||
| meta = with pkgs.stdenv.lib.maintainers; { | ||
| maintainers = [ asymmetric ]; | ||
| }; | ||
|
|
||
| nodes = { | ||
| # interface should be created in the socketNamespace | ||
| # and not moved from there | ||
| peer0 = pkgs.lib.attrsets.recursiveUpdate node { | ||
| networking.wireguard.interfaces.wg0 = { | ||
| preSetup = '' | ||
| ip netns add ${socketNamespace} | ||
| ''; | ||
| inherit socketNamespace; | ||
| }; | ||
| }; | ||
| # interface should be created in the init namespace | ||
| # and moved to the interfaceNamespace | ||
| peer1 = pkgs.lib.attrsets.recursiveUpdate node { | ||
| networking.wireguard.interfaces.wg0 = { | ||
| preSetup = '' | ||
| ip netns add ${interfaceNamespace} | ||
| ''; | ||
| inherit interfaceNamespace; | ||
| }; | ||
| }; | ||
| # interface should be created in the socketNamespace | ||
| # and moved to the interfaceNamespace | ||
| peer2 = pkgs.lib.attrsets.recursiveUpdate node { | ||
| networking.wireguard.interfaces.wg0 = { | ||
| preSetup = '' | ||
| ip netns add ${socketNamespace} | ||
| ip netns add ${interfaceNamespace} | ||
| ''; | ||
| inherit socketNamespace interfaceNamespace; | ||
| }; | ||
| }; | ||
| # interface should be created in the socketNamespace | ||
| # and moved to the init namespace | ||
| peer3 = pkgs.lib.attrsets.recursiveUpdate node { | ||
| networking.wireguard.interfaces.wg0 = { | ||
| preSetup = '' | ||
| ip netns add ${socketNamespace} | ||
| ''; | ||
| inherit socketNamespace; | ||
| interfaceNamespace = "init"; | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| testScript = '' | ||
| startAll(); | ||
| $peer0->waitForUnit("wireguard-wg0.service"); | ||
| $peer1->waitForUnit("wireguard-wg0.service"); | ||
| $peer2->waitForUnit("wireguard-wg0.service"); | ||
| $peer3->waitForUnit("wireguard-wg0.service"); | ||
| $peer0->succeed("ip -n ${socketNamespace} link show wg0"); | ||
| $peer1->succeed("ip -n ${interfaceNamespace} link show wg0"); | ||
| $peer2->succeed("ip -n ${interfaceNamespace} link show wg0"); | ||
| $peer3->succeed("ip link show wg0"); | ||
| ''; | ||
| }) |