From b17399492634b273a92cce72a7f814f92d352250 Mon Sep 17 00:00:00 2001
From: Harvie <tomas@mudrunka.cz>
Date: Mon, 24 May 2010 23:35:50 +0200
Subject: [PATCH] some script obviously for running user-mode-linux vservers

---
 bash/runvm.sh | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100755 bash/runvm.sh

diff --git a/bash/runvm.sh b/bash/runvm.sh
new file mode 100755
index 0000000..670fb48
--- /dev/null
+++ b/bash/runvm.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+#BINARIES
+screen='/usr/bin/screen';
+
+#COMMON
+cd /mnt/data2/uml/;                     #directory to work in
+umluser='vserver';                      #Setuid before run vserver
+umldelay='10';                          #Delay (man sleep) before restart after vserver halt/fail
+umldir='/mnt/data2/uml/umldir';         #Directory for umid & pid files
+
+#NETWORK
+hostnic='eth1';                         #network interface to operate on
+umlbridge='br0';                        #name of bridge between real network and UMLs
+hostip='192.168.2.163';                 #ipadres of host
+hostmask='255.255.255.0';               #netmask of host
+hostgw='192.168.2.1';                   #default gw of host
+
+#MACHINES
+uml_machines() {                        #list of UML machines to be executed
+        #new_uml        respawn umlkernel                       umlrootimg      umlmem  umlnice umllog          tapnic  umlmac
+        #new_uml        true    linux.uml                       debtest.img     64M     10      /dev/null       tap0    fe:fd:c0:a8:02:89
+        new_uml         true    /opt/uml/linux-2.6.24-rc7       debtest.img     64M     10      log0.txt        tap0    fe:fd:c0:a8:02:89
+}
+
+############################################################
+echo "
+
+!!!!!!YOU MAY NEED TO SETUP YOUR GUEST OS!!!!!!!
+!!!!!!!!!!OR YOU CAN USE DHCP INSTEAD!!!!!!!!!!!
+root@uml# cat /etc/network/interfaces
+
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+address YOUR.ADD.RESS.HERE
+netmask $hostmask
+gateway $hostgw
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+";
+############################################################
+
+echo [i] Initializing tuntap networking...
+modprobe tun
+
+echo [i] Initializing "$umlbridge" bridge...
+ifconfig "$hostnic" 0.0.0.0 promisc up
+brctl addbr "$umlbridge"
+brctl setfd "$umlbridge" 0
+brctl sethello "$umlbridge" 0
+brctl stp "$umlbridge" off
+
+echo [i] Adding "$hostnic" interface to "$umlbridge" bridge...
+ifconfig "$umlbridge" "$hostip" netmask "$hostmask" up
+route add default gw "$hostgw"
+brctl addif "$umlbridge" "$hostnic"
+
+echo [!] Now launching all UML Machines...
+new_uml() {
+        if [ -z "$8" ]; then
+                echo [!] Failed. Not enough parameters for this machine.;
+                return;
+        fi;
+
+        respawn="$1";
+        umlkernel="$2";
+        umlrootimg="$3";
+        umlmem="$4";
+        umlnice="$5";
+        umllog="$6";
+        tapnic="$7";
+        umlmac="$8";
+
+        tunctl -d "$tapnic"
+        tunctl -u "$umluser" -t "$tapnic"
+
+        echo [i] Adding "$tapnic" interface to "$umlbridge" bridge...
+        ifconfig "$tapnic" 0.0.0.0 promisc up
+        brctl addif "$umlbridge" "$tapnic"
+
+        #echo [R] Sleeping 120 before REBOOT.... #DEBUG FEATURE
+        #sleep 120;
+        #reboot;
+
+
+        echo [S] Starting UML on "$tapnic"...
+
+        #con0=fd:0,fd:1 con1=pty
+        #$screen -d -m su "$umluser" -c "nice -n $umlnice $umlkernel mem=$umlmem ubd0=$umlrootimg jail eth0=tuntap,$tapnic,$umlmac uml_dir=$umldir umid=$tapnic con0=fd:0,fd:1 con1=pty > $umllog 2>&1"
+        #su "$umluser" -c "$screen -d -m nice -n $umlnice $umlkernel mem=$umlmem ubd0=$umlrootimg jail eth0=tuntap,$tapnic,$umlmac uml_dir=$umldir umid=$tapnic con0=fd:0,fd:1 con1=pty > $umllog 2>&1"
+        #nice -n "$umlnice" su "$umluser" -c "$screen -d -m $umlkernel mem=$umlmem ubd0=$umlrootimg jail eth0=tuntap,$tapnic,$umlmac uml_dir=$umldir umid=$tapnic con0=fd:0,fd:1 con1=pty > $umllog 2>&1"
+
+        nice -n "$umlnice" su "$umluser" -c "$screen -d -m bash -c '
+                while true; do
+                        $umlkernel mem=$umlmem ubd0=$umlrootimg jail eth0=tuntap,$tapnic,$umlmac uml_dir=$umldir umid=$tapnic con0=fd:0,fd:1 con1=pty > $umllog 2>&1;
+                        sleep $umldelay;
+                        if ( $respawn ); then continue; fi; break;
+                done;
+        '";
+}
+
+uml_machines;
+echo [!] All UML Machines launched.
-- 
2.30.2