profiles/wg-clerie: Convert systemd timer into a service with sleep
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@@ -180,45 +180,16 @@ in
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};
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systemd.services."wg-clerie-endpoint-refresh" = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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Type = "simple";
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Restart = "always";
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RestartSec = 5;
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};
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path = [ pkgs.wireguard-tools pkgs.iproute2 ];
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script = ''
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set -euo pipefail
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# Don't do anything as long as interface is not configured
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if ! wg show wg-clerie endpoints > /dev/null; then
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exit 0
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fi
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endpoint=""
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if ip route get 2a01:4f8:c0c:15f1::1 ipproto udp dport 51820 &>/dev/null; then
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endpoint="[2a01:4f8:c0c:15f1::1]:51820"
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else
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endpoint="78.47.183.82:51820"
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fi
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wg set wg-clerie peer "2p1Jqs3bkXbXHFWE6vp1yxHIFoUaZQEARS2nJzbkuBA=" endpoint "''${endpoint}"
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'';
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requires = [ "network-online.target" ];
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after = [ "network-online.target" ];
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};
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systemd.timers."wg-clerie-endpoint-refresh" = {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = "*-*-* *:*:0/5";
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RandomizedDelaySec = "5s";
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};
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requires = [ "network-online.target" ];
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after = [ "network-online.target" ];
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script = builtins.readFile ./wg-clerie-endpoint-refresh.sh;
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};
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environment.systemPackages = [ pkgs.wireguard-tools ];
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31
profiles/wg-clerie/wg-clerie-endpoint-refresh.sh
Executable file
31
profiles/wg-clerie/wg-clerie-endpoint-refresh.sh
Executable file
@@ -0,0 +1,31 @@
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#!/usr/bin/env bash
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set -euo pipefail
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prev_endpoint=""
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while true; do
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if ! wg show wg-clerie endpoints &>/dev/null; then
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if [[ "${prev_endpoint}" != "" ]]; then
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echo "Interface wg-clerie unavailable, doing nothing"
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prev_endpoint=""
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fi
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sleep 5
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continue
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fi
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if ip route get 2a01:4f8:c0c:15f1::1 ipproto udp dport 51820 &>/dev/null; then
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new_endpoint="[2a01:4f8:c0c:15f1::1]:51820"
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else
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new_endpoint="78.47.183.82:51820"
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fi
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if [[ "${new_endpoint}" != "${prev_endpoint}" ]]; then
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echo "Switching endpoint for wg-clerie to ${new_endpoint}"
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wg set wg-clerie peer "2p1Jqs3bkXbXHFWE6vp1yxHIFoUaZQEARS2nJzbkuBA=" endpoint "${new_endpoint}"
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prev_endpoint="${new_endpoint}"
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fi
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sleep 5
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done
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