From 58106eef4d6fcdb798e6a8f08099d14d4f2e4b36 Mon Sep 17 00:00:00 2001
From: Donald Buczek <buczek@molgen.mpg.de>
Date: Thu, 23 Mar 2023 10:18:43 +0100
Subject: [PATCH] libexec_startup: Import prj_github2_startup.sh

Import existing script from /project/github2/sbin/setup-github-network.sh
---
 libexec_startup/prj_github2_startup.sh | 53 ++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 libexec_startup/prj_github2_startup.sh

diff --git a/libexec_startup/prj_github2_startup.sh b/libexec_startup/prj_github2_startup.sh
new file mode 100755
index 0000000..eb5fa7a
--- /dev/null
+++ b/libexec_startup/prj_github2_startup.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+modprobe kvm_amd     2>/dev/null
+modprobe kvm_intel   2>/dev/null
+
+chmod a+rw /dev/kvm
+
+NETDEV=vlan.github0
+BRIDGEDEV=br.github0
+TAPDEV=tap.github0
+USER=github
+
+set -x
+
+function start
+{
+   # create tap device
+   ip tuntap add dev ${TAPDEV} mode tap user ${USER}
+   ip link set ${TAPDEV} up
+
+   # activate network device
+   ip link set ${NETDEV} up
+
+   # create bridge
+   brctl addbr ${BRIDGEDEV}
+   brctl addif ${BRIDGEDEV} ${NETDEV}
+   brctl addif ${BRIDGEDEV} ${TAPDEV}
+   ip link set ${BRIDGEDEV} up
+}
+
+function stop
+{
+   ip link set ${BRIDGEDEV} down
+   brctl delbr ${BRIDGEDEV}
+
+   ip link set ${TAPDEV} down
+   ip tuntap del dev ${TAPDEV} mode tap
+}
+
+case "${1}" in
+   start)
+      start
+      ;;
+
+   stop)
+      stop
+      ;;
+
+   *)
+      echo "usage $0 {start|stop}" >&2
+      exit 1
+      ;;
+esac