add service fir dhcp v4 client
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parent
31f0213b6f
commit
00c8ea66ea
3 changed files with 65 additions and 7 deletions
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@ -20,6 +20,14 @@ in {
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description = "network interface address";
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type = liminix.lib.types.serviceDefn;
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};
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dhcp = {
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client = mkOption {
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# this needs to move to its own service as it has
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# busybox config
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description = "DHCP v4 client";
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type = liminix.lib.types.serviceDefn;
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};
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};
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};
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};
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config = {
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@ -49,6 +57,12 @@ in {
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type = types.ints.between 0 128;
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};
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};
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dhcp.client = liminix.callService ./dhcpc.nix {
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interface = mkOption {
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type = liminix.lib.types.service;
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};
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};
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};
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};
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}
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46
modules/network/dhcpc.nix
Normal file
46
modules/network/dhcpc.nix
Normal file
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@ -0,0 +1,46 @@
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{
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liminix
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, writeAshScript
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, serviceFns
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, lib
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} :
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{ interface }:
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let
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inherit (liminix.services) longrun;
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name = "${interface.name}.dhcpc";
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script = writeAshScript "dhcp-notify" { } ''
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. ${serviceFns}
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exec 2>&1
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action=$1
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set_address() {
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ip address replace $ip/$mask dev $interface
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(in_outputs ${name}
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for i in lease mask ip router siaddr dns serverid subnet opt53 interface ; do
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printenv $i > $i
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done)
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}
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case $action in
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deconfig)
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ip address flush $interface
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ip link set up dev $interface
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;;
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bound)
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# this doesn't actually replace, it adds a new address.
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set_address
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echo >/proc/self/fd/10
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;;
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renew)
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set_address
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;;
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nak)
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echo "received NAK on $interface"
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;;
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esac
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'';
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in longrun {
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inherit name;
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run = "/bin/udhcpc -f -i $(output ${interface} ifname) -x hostname:$(cat /proc/sys/kernel/hostname) -s ${script}";
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notification-fd = 10;
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dependencies = [ interface ];
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}
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@ -1,23 +1,21 @@
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{ config, pkgs, ... } :
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let
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inherit (pkgs.liminix.networking) interface address udhcpc odhcpc route;
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inherit (pkgs.liminix.networking) interface address route;
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inherit (pkgs.liminix.services) oneshot longrun bundle target;
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inherit (pkgs) writeText;
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svc = config.system.service;
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in rec {
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imports = [
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./modules/tftpboot.nix
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./modules/wlan.nix
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./modules/network
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./modules/ntp
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];
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services.loopback = config.hardware.networkInterfaces.lo;
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services.dhcpv4 =
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let iface = interface { type = "hardware"; device = "eth1"; };
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in udhcpc iface {};
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services.dhcpv6 =
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let iface = interface { type = "hardware"; device = "eth1"; };
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in odhcpc iface { uid = "e7"; };
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let iface = svc.network.link.build { ifname = "eth1"; };
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in svc.network.dhcp.client.build { interface = iface; };
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services.defaultroute4 = route {
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name = "defautlrote";
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