bash/runvm.sh

   1 #!/bin/bash
   2
   3 #BINARIES
   4 screen='/usr/bin/screen';
   5
   6 #COMMON
   7 cd /mnt/data2/uml/;                     #directory to work in
   8 umluser='vserver';                      #Setuid before run vserver
   9 umldelay='10';                          #Delay (man sleep) before restart after vserver halt/fail
  10 umldir='/mnt/data2/uml/umldir';         #Directory for umid & pid files
  11
  12 #NETWORK
  13 hostnic='eth1';                         #network interface to operate on
  14 umlbridge='br0';                        #name of bridge between real network and UMLs
  15 hostip='192.168.2.163';                 #ipadres of host
  16 hostmask='255.255.255.0';               #netmask of host
  17 hostgw='192.168.2.1';                   #default gw of host
  18
  19 #MACHINES
  20 uml_machines() {                        #list of UML machines to be executed
  21         #new_uml        respawn umlkernel                       umlrootimg      umlmem  umlnice umllog          tapnic  umlmac
  22         #new_uml        true    linux.uml                       debtest.img     64M     10      /dev/null       tap0    fe:fd:c0:a8:02:89
  23         new_uml         true    /opt/uml/linux-2.6.24-rc7       debtest.img     64M     10      log0.txt        tap0    fe:fd:c0:a8:02:89
  24 }
  25
  26 ############################################################
  27 echo "
  28
  29 !!!!!!YOU MAY NEED TO SETUP YOUR GUEST OS!!!!!!!
  30 !!!!!!!!!!OR YOU CAN USE DHCP INSTEAD!!!!!!!!!!!
  31 root@uml# cat /etc/network/interfaces
  32
  33 auto lo
  34 iface lo inet loopback
  35
  36 auto eth0
  37 iface eth0 inet static
  38 address YOUR.ADD.RESS.HERE
  39 netmask $hostmask
  40 gateway $hostgw
  41 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  42
  43 ";
  44 ############################################################
  45
  46 echo [i] Initializing tuntap networking...
  47 modprobe tun
  48
  49 echo [i] Initializing "$umlbridge" bridge...
  50 ifconfig "$hostnic" 0.0.0.0 promisc up
  51 brctl addbr "$umlbridge"
  52 brctl setfd "$umlbridge" 0
  53 brctl sethello "$umlbridge" 0
  54 brctl stp "$umlbridge" off
  55
  56 echo [i] Adding "$hostnic" interface to "$umlbridge" bridge...
  57 ifconfig "$umlbridge" "$hostip" netmask "$hostmask" up
  58 route add default gw "$hostgw"
  59 brctl addif "$umlbridge" "$hostnic"
  60
  61 echo [!] Now launching all UML Machines...
  62 new_uml() {
  63         if [ -z "$8" ]; then
  64                 echo [!] Failed. Not enough parameters for this machine.;
  65                 return;
  66         fi;
  67
  68         respawn="$1";
  69         umlkernel="$2";
  70         umlrootimg="$3";
  71         umlmem="$4";
  72         umlnice="$5";
  73         umllog="$6";
  74         tapnic="$7";
  75         umlmac="$8";
  76
  77         tunctl -d "$tapnic"
  78         tunctl -u "$umluser" -t "$tapnic"
  79
  80         echo [i] Adding "$tapnic" interface to "$umlbridge" bridge...
  81         ifconfig "$tapnic" 0.0.0.0 promisc up
  82         brctl addif "$umlbridge" "$tapnic"
  83
  84         #echo [R] Sleeping 120 before REBOOT.... #DEBUG FEATURE
  85         #sleep 120;
  86         #reboot;
  87
  88
  89         echo [S] Starting UML on "$tapnic"...
  90
  91         #con0=fd:0,fd:1 con1=pty
  92         #$screen -d -m su "$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 > $umllog 2>&1"
  93         #su "$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 > $umllog 2>&1"
  94         #nice -n "$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 > $umllog 2>&1"
  95
  96         nice -n "$umlnice" su "$umluser" -c "$screen -d -m bash -c '
  97                 while true; do
  98                         $umlkernel mem=$umlmem ubd0=$umlrootimg jail eth0=tuntap,$tapnic,$umlmac uml_dir=$umldir umid=$tapnic con0=fd:0,fd:1 con1=pty > $umllog 2>&1;
  99                         sleep $umldelay;
 100                         if ( $respawn ); then continue; fi; break;
 101                 done;
 102         '";
 103 }
 104
 105 uml_machines;
 106 echo [!] All UML Machines launched.