nlvmi/nlvmi

186 lines
8.3 KiB
Bash
Executable File

#!/bin/bash
#getting the config
source /etc/nlvmi/nlvmi.conf
if [ $LOGLEVEL -gt "1" ]; then echo "configuration loaded"; fi
#checking directories
echo $VMDIRECTORY | while read line; do IFS='|' read -r -a array
for dir in "${array[@]}"; do
if [ ! -d $dir ]; then echo "VMDIRECTORY wrong, $dir does not exist"; exit 1; fi
done
done <<< "$line"
if [ ! -d $RUNDIRECTORY ]; then if [ $LOGLEVEL -gt "1" ]; then echo "creating $RUNDIRECTORY"; fi; mkdir -p $RUNDIRECTORY; fi
#checking database
function checkdb {
if [ $DATABASETYPE == "sqlite" ]; then
if [ ! -e $SQLITEFILE ]; then echo "sqlite configured, but db-file not present! create the db first!"; exit 1; fi
SQCHECK=`sqlite3 $SQLITEFILE "SELECT name FROM sqlite_master WHERE type='table' AND name='vms'"`
if [ $SQCHECK == "vms" ]; then
if [ $LOGLEVEL -gt "1" ]; then echo "DB ready to use"; fi
else
echo "error accessing sqlite!"
exit 1;
fi
echo "sqlite ready to use";
elif [ $DATABASETYPE == "mariadb" ]; then
DBCON="mysql --disable-pager -u $MARIAUSER -p$MARIAPASS -h $MARIAHOST $MARIADB"
declare -a DBC=`echo "SHOW TABLES FROM $MARIADB; " | $DBCON | sed 1d`
if [ -z $DBC ]; then
echo "mariadb connection failed"; exit 1
fi
fi
return 0
}
#creating database
function createdb {
if [ $LOGLEVEL -gt "1" ]; then echo "going to create the db"; fi
if [ $DATABASETYPE == "sqlite" ]; then
sqlite3 $SQLITEFILE "CREATE TABLE vms (
id INTEGER PRIMARY KEY AUTOINCREMENT,
vmname VARCHAR(50) NOT NULL,
user VARCHAR(50) NOT NULL,
server VARCHAR(50),
arch VARCHAR(50) NOT NULL,
cputype VARCHAR(50),
cpus INTEGER,
memory INTEGER,
usbdev VARCHAR(50),
kblang VARCHAR(50),
custom VARCHAR(50),
bootoption VARCHAR(2) NOT NULL,
autostart INTEGER,
drive1 VARCHAR(50),
format1 VARCHAR(50),
drive2 VARCHAR(50),
format2 VARCHAR(50),
drive3 VARCHAR(50),
format3 VARCHAR(50),
cdrom VARCHAR(50),
tapdev1 VARCHAR(50),
macaddr1 VARCHAR(50),
brdev1 VARCHAR(50),
tapdev2 VARCHAR(50),
macaddr2 VARCHAR(50),
brdev2 VARCHAR(50),
tapdev3 VARCHAR(50),
macaddr3 VARCHAR(50),
brdev3 VARCHAR(50),
vncport VARCHAR(50),
websocket INTEGER,
vncpasswort VARCHAR(50)
);"
sqlite3 $SQLITEFILE "CREATE TABLE users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username VARCHAR(50) NOT NULL,
password VARCHAR(50),
admin INTEGER
);"
chown -R nobody $SQLITEFILE
fi
checkdb && echo "DB creation successful!" || (echo "Failed to create the DB"; exit 1)
}
#autostart VMs
function vmautostart {
if [ $DATABASETYPE == "sqlite" ]; then
sqlite3 $SQLITEFILE "SELECT id FROM vms WHERE autostart=1" | while read line; do
IFS='|' read -r -a array <<< "$line"
vmstart ${array[0]}
done
fi
}
function vmstart {
if [ -z $1 ]; then echo "function start needs an id!"; exit 1; fi
if [ $LOGLEVEL -gt "1" ]; then echo "startvm function entered for vmid $1"; fi
sqlite3 $SQLITEFILE "SELECT * FROM vms WHERE id=$1" | while read line; do
IFS='|' read -r -a array <<< "$line"
if [ ! -z ${array[5]} ]; then CPUTYPE="-cpu ${array[5]}"; fi
if [ ! -z ${array[6]} ]; then SMP="-smp ${array[6]}"; fi
if [ ! -z ${array[7]} ]; then MEMORY="-m ${array[7]}"; fi
if [ ! -z ${array[8]} ]; then USBDEV="-usb -device usb-ehci,id=ehci -device usb-${array[8]},bus=usb-bus.0"; fi
if [ ! -z ${array[10]} ]; then CUSTOM="${array[10]}"; fi
if [ ! -z ${array[13]} ]; then DRIVE1="-drive file=${array[13]}"; fi
if [ ! -z ${array[14]} ]; then FORMAT1=",format=${array[14]},if=virtio"; fi
if [ ! -z ${array[15]} ]; then DRIVE2="-drive file=${array[15]},format=raw,if=virtio,aio=native"; fi
if [ ! -z ${array[16]} ]; then FORMAT2=",format=${array[16]},if=virtio"; fi
if [ ! -z ${array[17]} ]; then DRIVE3="-drive file=${array[17]},format=raw,if=virtio,aio=native"; fi
if [ ! -z ${array[18]} ]; then FORMAT3=",format=${array[18]},if=virtio"; fi
if [ ! -z ${array[19]} ]; then CDROM="-cdrom ${array[19]}"; fi
if [ ! -z ${array[20]} ]; then TAPDEV1="-netdev tap,ifname=${array[20]},script=no,id=net0"; fi
if [ ! -z ${array[21]} ]; then MACADDR1="-net nic,macaddr=${array[21]},model=virtio,netdev=net0"; fi
if [ ! -z ${array[22]} ]; then BRDEV1="${array[22]}"; fi
if [ ! -z ${array[23]} ]; then TAPDEV2="-netdev tap,ifname=${array[23]},script=no,id=net0"; fi
if [ ! -z ${array[24]} ]; then MACADDR2="-net nic,macaddr=${array[24]},model=virtio,netdev=net0"; fi
if [ ! -z ${array[25]} ]; then BRDEV2="${array[25]}"; fi
if [ ! -z ${array[26]} ]; then TAPDEV3="-netdev tap,ifname=${array[26]},script=no,id=net0"; fi
if [ ! -z ${array[27]} ]; then MACADDR3="-net nic,macaddr=${array[27]},model=virtio,netdev=net0"; fi
if [ ! -z ${array[28]} ]; then BRDEV3="${array[28]}"; fi
if [ ! -z ${array[29]} ]; then VNCPORT="-vnc :${array[29]},websocket=${array[30]},password"; fi
# tunctl -t ${array[20]} -u ${array[2]}
# brctl addif ${array[22]} ${array[20]}
# ifconfig ${array[20]} up
COMMAND=(su ${array[2]} -c "${array[4]} -enable-kvm $CPUTYPE $MEMORY $SMP -boot ${array[11]} $USBDEV -k ${array[9]} -daemonize $DRIVE1$FORMAT1 $DRIVE2$FORMAT2 $DRIVE3$FORMAT3 $CDROM $MACADDR1 $TAPDEV1 $BRDEV1 $MACADDR2 $TAPDEV2 $BRDEV2 $MACADDR3 $TAPDEV3 $BRDEV3 $VNCPORT $CUSTOM -pidfile $RUNDIRECTORY/${array[1]}.pid -monitor unix:$RUNDIRECTORY/${array[1]}.mon,server,nowait")
if [ $LOGLEVEL -gt "1" ]; then echo ${COMMAND[@]}; fi
`"${COMMAND[@]}"`
#Set VNC Password
echo "change vnc password ${array[31]}" | socat - unix-connect:$RUNDIRECTORY/${array[1]}.mon >/dev/null
done
export VMFOUND="yes"
}
function vmstop {
if [ ! -e $RUNDIRECTORY/$1.pid ]; then echo "pidfile $RUNDIRECTORY/$1.pid does not exist"; exit 1; fi
if [ $LOGLEVEL -gt "1" ]; then echo "stopvm function entered for VM $1"; fi
sqlite3 $SQLITEFILE "SELECT * FROM vms WHERE vmname='$1'" | while read line; do
IFS='|' read -r -a array <<< "$line"
echo "system_powerdown" | socat - unix-connect:$RUNDIRECTORY/${array[1]}.mon >/dev/null
STOPPED="no"
while [ $STOPPED = "no" ]; do
ps -ef | grep `cat $RUNDIRECTORY/${array[1]}.pid` | grep -v grep >/dev/null || STOPPED="yes"
done
done
}
#mainloop
if [ $# -gt 0 ]; then
if [ $1 == "createdb" ]; then
createdb
elif [ $1 == "autostart" ]; then
vmautostart
elif [ $1 == "start" ]; then
if [ -z $2 ]; then echo "start needs a vmname!"; exit 1; fi
VMFOUND="no"
if [ $LOGLEVEL -gt "1" ]; then echo "searching for vmname $2"; fi
sqlite3 $SQLITEFILE "SELECT id FROM vms WHERE vmname='$2'" | (while read line; do
IFS='|' read -r -a arrays <<< "$line"
declare VMFOUND="yes"
export "$VMFOUND"
vmstart $arrays
done
if [[ $VMFOUND == "no" ]]; then echo "no VM with that name found!"; exit 1; fi)
elif [ $1 == "stop" ]; then
if [ -z $2 ]; then echo "stop needs a vmname!"; exit 1; fi
VMFOUND="no"
if [ $LOGLEVEL -gt "1" ]; then echo "searching for vmname $2"; fi
sqlite3 $SQLITEFILE "SELECT id FROM vms WHERE vmname='$2'" | (while read line; do
IFS='|' read -r -a arrays <<< "$line"
declare VMFOUND="yes"
export "$VMFOUND"
vmstop $2
done
if [[ $VMFOUND == "no" ]]; then echo "no VM with that name found!"; exit 1; fi)
elif [ $1 == "checkvm" ]; then
if [ -z $2 ]; then echo "checkvm needs a vmname!"; exit 1; fi
if [ -e $RUNDIRECTORY/$2.mon ]; then echo $2 running; else echo $2 stopped; fi
fi
else
checkdb
fi