feat(wg): clusev-wg-gate.service — boot/docker-restart gate persistence

docker/wg/clusev-wg-gate.service

@@ -0,0 +1,25 @@
+# Clusev WireGuard gate — persistence oneshot (HOST-side).
+#
+# Re-applies the CLUSEV-WG-GATE iptables chain after boot and after a Docker daemon restart (Docker
+# flushes DOCKER-USER). It is a no-op unless BOTH are true:
+#   - wg0 is up        (ConditionPathExists below — a failed wg0 on boot leaves the panel OPEN, not bricked)
+#   - the gate marker  (/etc/clusev/wg-gate.enabled, checked inside `clusev-wg.sh gate-apply`)
+# So `clusev wg down` (removes the marker) survives a reboot, and a tunnel that fails to come up never
+# drops the panel with no way in. install.sh rewrites the /home/nexxo/clusev paths to the real tree.
+[Unit]
+Description=Clusev WireGuard gate — re-apply the panel firewall when wg0 is up
+After=docker.service wg-quick@wg0.service
+Wants=docker.service
+ConditionPathExists=/sys/class/net/wg0
+
+[Service]
+Type=oneshot
+User=root
+Environment=CLUSEV_DIR=/home/nexxo/clusev
+WorkingDirectory=/home/nexxo/clusev
+ExecStart=/home/nexxo/clusev/docker/wg/clusev-wg.sh gate-apply
+
+[Install]
+# Pulled in when docker.service starts (boot AND `systemctl restart docker`), so a Docker restart
+# that flushes DOCKER-USER re-applies the gate.
+WantedBy=docker.service