init(): initial commit

2026-02-20 23:14:19 +03:00
commit fd8de1052a
36 changed files with 1713 additions and 0 deletions
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+set -eux pipefail
+
+# containerlab needs some time to setup links
+sleep $CONTAINERLAB_TIMEOUT
+
+if [ "$ROLE" = "switch" ]; then
+    echo "Configuring as switch with MAC=$MAC"
+
+    if [ "$VLAN" = "yes" ]; then
+        ip link add name br0 type bridge vlan_filtering 1
+    else
+        ip link add name br0 type bridge
+    fi
+
+    ip link set dev br0 address $MAC
+    ip link set br0 up
+    for i in eth1 eth2 eth3 eth4; do
+      ip link set $i master br0
+      ip link set $i up
+    done
+
+    if [ "$VLAN" = "yes" ]; then
+        bridge vlan add dev eth1 vid 10 pvid untagged
+        bridge vlan add dev eth2 vid 20 pvid untagged
+        bridge vlan add dev eth4 vid 10,20
+    fi
+
+    echo "Switch setup complete"
+
+elif [ "$ROLE" = "bridge" ]; then
+    echo "Configuring as bridge with MAC=$MAC"
+
+    if [ "$VLAN" = "yes" ]; then
+        ip link add name br0 type bridge vlan_filtering 1
+    else
+        ip link add name br0 type bridge
+    fi
+
+    ip link set dev br0 address $MAC
+    ip link set br0 up
+    ip link set eth1 master br0
+    ip link set eth2 master br0
+    ip link set eth1 up
+    ip link set eth2 up
+
+    if [ "$VLAN" = "yes" ]; then
+        bridge vlan add dev eth1 vid 10,20
+        bridge vlan add dev eth2 vid 10,20
+    fi
+
+    echo "Bridge setup complete"
+
+elif [ "$ROLE" = "host" ]; then
+    echo "Configuring as host with MAC=$MAC"
+
+    ip link set dev eth1 down
+    ip link set dev eth1 address $MAC
+    ip link set dev eth1 up
+
+    echo "Host setup complete"
+
+else
+    echo "Unknown ROLE: $ROLE"
+fi
+
+sleep infinity