From 526797b41c8dfffc7e74a951c17ef96734980e7a Mon Sep 17 00:00:00 2001
From: uvok cheetah
Date: Sun, 2 Feb 2025 15:21:26 +0100
Subject: Add role for Dn42 and network namespace

---
 roles/linux-ns/files/systemd/my-netns@.service | 32 ++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 roles/linux-ns/files/systemd/my-netns@.service

(limited to 'roles/linux-ns/files/systemd/my-netns@.service')

diff --git a/roles/linux-ns/files/systemd/my-netns@.service b/roles/linux-ns/files/systemd/my-netns@.service
new file mode 100644
index 0000000..7368028
--- /dev/null
+++ b/roles/linux-ns/files/systemd/my-netns@.service
@@ -0,0 +1,32 @@
+# actual setup of the minimal namespace
+
+[Unit]
+Description=Named network namespace %I
+Documentation=https://github.com/Jamesits/systemd-named-netns
+
+After=network-pre.target
+Before=network.target network-online.target
+
+[Install]
+WantedBy=network-online.target
+WantedBy=multi-user.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+
+# precaution
+ExecStartPre=-/usr/bin/env ip netns delete %I
+
+# set up netns and bind it to this service
+ExecStart=/usr/bin/flock --no-fork -- /var/run/netns.lock /usr/bin/env ip netns add %I
+ExecStart=/usr/bin/env ip link add veth%I type veth peer vethpeer%I netns %I
+ExecStart=/usr/bin/env ip link set veth%I up
+ExecStart=/usr/bin/env ip netns exec %I ip link set vethpeer%I name eth0
+ExecStart=/usr/bin/env ip netns exec %I ip link set lo up
+ExecStart=/usr/bin/env ip netns exec %I ip link set eth0 up
+
+# remove the netns
+ExecStop=/usr/bin/env ip link del veth%I
+# type veth peer vethpeer%I netns %I
+ExecStop=/usr/bin/env ip netns delete %I
-- 
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