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tailcfg: add DNS address list for IsWireGuardOnly nodes

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Tailscale exit nodes provide DNS service over the peer API, however
IsWireGuardOnly nodes do not have a peer API, and instead need client
DNS parameters passed in their node description.

For Mullvad nodes this will contain the in network 10.64.0.1 address.

Updates #9377

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker
2023-09-14 10:04:31 -07:00
committed by James Tucker
parent 335a5aaf9a
commit e7727db553
9 changed files with 160 additions and 2 deletions
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2
tailcfg/tailcfg_test.go
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@ -350,7 +350,7 @@ func TestNodeEqual(t *testing.T) {
"UnsignedPeerAPIOnly",
"ComputedName", "computedHostIfDifferent", "ComputedNameWithHost",
"DataPlaneAuditLogID", "Expired", "SelfNodeV4MasqAddrForThisPeer",
"IsWireGuardOnly",
"IsWireGuardOnly", "ExitNodeDNSResolvers",
}
if have := fieldsOf(reflect.TypeOf(Node{})); !reflect.DeepEqual(have, nodeHandles) {
t.Errorf("Node.Equal check might be out of sync\nfields: %q\nhandled: %q\n",