first commit of shellscript
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#!/bin/bash
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#getting the config
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source /etc/nlvmi/nlvmi.conf
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if [ $LOGLEVEL -gt "1" ]; then echo "configuration loaded"; fi
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#checking directories
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if [ ! -d $VMDIRECTORY ]; then echo "VMDIRECTORY wrong, $VMDIRECTORY does not exist"; exit 1; fi
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if [ ! -d $RUNDIRECTORY ]; then if [ $LOGLEVEL -gt "1" ]; then echo "creating $RUNDIRECTORY"; fi; mkdir -p $RUNDIRECTORY; fi
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#checking database
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function checkdb {
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if [ $DATABASETYPE == "sqlite" ]; then
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if [ ! -e $SQLITEFILE ]; then echo "sqlite configured, but db-file not present! create the db first!"; exit 1; fi
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SQCHECK=`sqlite3 $SQLITEFILE "SELECT name FROM sqlite_master WHERE type='table' AND name='vms'"`
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if [ $SQCHECK == "vms" ]; then
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if [ $LOGLEVEL -gt "1" ]; then echo "DB ready to use"; fi
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else
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echo "error accessing sqlite!"
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exit 1;
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fi
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echo "sqlite ready to use";
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elif [ $DATABASETYPE == "mariadb" ]; then
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DBCON="mysql --disable-pager -u $MARIAUSER -p$MARIAPASS -h $MARIAHOST $MARIADB"
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declare -a DBC=`echo "SHOW TABLES FROM $MARIADB; " | $DBCON | sed 1d`
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if [ -z $DBC ]; then
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echo "mariadb connection failed"; exit 1
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fi
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fi
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return 0
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}
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#creating database
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function createdb {
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if [ $LOGLEVEL -gt "1" ]; then echo "going to create the db"; fi
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if [ $DATABASETYPE == "sqlite" ]; then
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sqlite3 $SQLITEFILE "CREATE TABLE vms (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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vmname VARCHAR(50) NOT NULL,
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server VARCHAR(50),
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user VARCHAR(50) NOT NULL,
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autostart INTEGER,
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bootoption VARCHAR(2) NOT NULL,
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drive1 VARCHAR(50),
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drive2 VARCHAR(50),
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drive3 VARCHAR(50),
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cdrom VARCHAR(50),
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arch VARCHAR(50) NOT NULL,
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mac VARCHAR(50),
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brdev1 VARCHAR(50),
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brdev2 VARCHAR(50),
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brdev3 VARCHAR(50),
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tapdev1 VARCHAR(50),
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tapdev2 VARCHAR(50),
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tapdev3 VARCHAR(50),
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vncport VARCHAR(50),
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websocket INTEGER,
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vncpasswort VARCHAR(50),
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usbdev1 VARCHAR(50),
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usbdev2 VARCHAR(50),
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usbdev3 VARCHAR(50),
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kblang VARCHAR(50)
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);"
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fi
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checkdb && echo "DB creation successful!" || (echo "Failed to create the DB"; exit 1)
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}
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#autostart VMs
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function vmautostart {
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if [ $DATABASETYPE == "sqlite" ]; then
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sqlite3 $SQLITEFILE "SELECT id FROM vms WHERE autostart=1" | while read line; do
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IFS='|' read -r -a array <<< "$line"
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vmstart ${array[0]}
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done
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fi
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}
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function vmstart {
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if [ -z $1 ]; then echo "function start needs an id!"; exit 1; fi
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if [ $LOGLEVEL -gt "1" ]; then echo "startvm function entered for vmid $1"; fi
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sqlite3 $SQLITEFILE "SELECT * FROM vms WHERE id=$1" | while read line; do
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IFS='|' read -r -a array <<< "$line"
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if [ ${array[6]}=="" ]; then
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DRIVE1=""; fi
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if [ ${array[6]}!="" ]; then
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DRIVE1="-drive file=${array[6]},cache=none,format=raw,if=virtio,aio=native"; fi
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if [ ${array[7]}=="" ]; then
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DRIVE2=""; fi
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if [ ${array[7]}!="" ]; then
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DRIVE2="-drive file=${array[7]},cache=none,format=raw,if=virtio,aio=native"; fi
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if [ ${array[8]}=="" ]; then
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DRIVE3=""; fi
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if [ ${array[8]}!="" ]; then
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DRIVE3="-drive file=${array[8]},cache=none,format=raw,if=virtio,aio=native"; fi
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if [ ${array[9]}=="" ]; then
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CDROM=""; fi
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if [ ${array[9]}!="" ]; then
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CDROM="-cdrom file=${array[9]}"; fi
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if [ ${array[11]}=="" ]; then
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NETDEV1=""; fi
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if [ ${array[11]}!="" ]; then
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NETDEV1="-net nic,macaddr=${array[11]},model=virtio,netdev=net0"; fi
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if [ ${array[15]}=="" ]; then
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TAPDEV1=""; fi
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if [ ${array[15]}!="" ]; then
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TAPDEV1="-netdev tap,ifname=${array[15]},script=no,id=net0"; fi
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if [ ${array[16]}=="" ]; then
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TAPDEV2=""; fi
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if [ ${array[16]}!="" ]; then
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TAPDEV2="-netdev tap,ifname=${array[16]},script=no,id=net0"; fi
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if [ ${array[17]}=="" ]; then
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TAPDEV3=""; fi
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if [ ${array[17]}!="" ]; then
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TAPDEV3="-netdev tap,ifname=${array[17]},script=no,id=net0"; fi
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if [ ${array[18]}=="" ]; then
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VNCPORT=""; fi
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if [ ${array[18]}!="" ]; then
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VNCPORT="-vnc ${array[18]},websocket=${array[19]},password"; fi
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if [ ${array[21]}=="" ]; then
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USBDEV1=""; fi
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if [ ${array[21]}!="" ]; then
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USBDEV1="-usbdevice ${array[21]}"; fi
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if [ ${array[22]}=="" ]; then
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USBDEV2=""; fi
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if [ ${array[22]}!="" ]; then
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USBDEV2="-usbdevice ${array[22]}"; fi
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if [ ${array[23]}=="" ]; then
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USBDEV3=""; fi
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if [ ${array[23]}!="" ]; then
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USBDEV3="-usbdevice ${array[22]}"; fi
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echo "su ${array[3]} -c \"${array[10]} -enable-kvm -cpu host -m 1024 -smp 2 -boot ${array[5]} $USBDEV1 $USBDEV2 $USBDEV3 -k ${array[24]} -daemonize $DRIVE1 $DRIVE2 $DRIVE3 $CDROM $NETDEV1 $TAPDEV1 $TAPDEV2 $TAPDEV3 $VNCPORT\""
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done
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export VMFOUND="yes"
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}
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#mainloop
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if [ $# -gt 0 ]; then
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if [ $1 == "createdb" ]; then
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createdb
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elif [ $1 == "autostart" ]; then
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vmautostart
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elif [ $1 == "start" ]; then
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if [ -z $2 ]; then echo "start needs a vmname!"; exit 1; fi
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VMFOUND="no"
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if [ $LOGLEVEL -gt "1" ]; then echo "searching for vmname $2"; fi
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sqlite3 $SQLITEFILE "SELECT id FROM vms WHERE vmname='$2'" | (while read line; do
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IFS='|' read -r -a arrays <<< "$line"
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declare VMFOUND="yes"
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export "$VMFOUND"
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vmstart $arrays
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done
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if [[ $VMFOUND == "no" ]]; then echo "no VM with that name found!"; exit 1; fi)
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fi
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else
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checkdb
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fi
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