केवीएम (अंडर) बैश का उपयोग करके एक बार की वर्चुअल मशीनों के साथ वीडीआई

#!/bin/sh server_ip=$(/usr/bin/cat /etc/client.conf |/usr/bin/grep "server_ip" \ |/usr/bin/cut -d "=" -f2) vdi_signal_port=$(/usr/bin/cat /etc/client.conf |/usr/bin/grep "vdi_signal_port" \ |/usr/bin/cut -d "=" -f2) vdi_spice_port=$(/usr/bin/cat /etc/client.conf |/usr/bin/grep "vdi_spice_port" \ |/usr/bin/cut -d "=" -f2) animation_folder=$(/usr/bin/cat /etc/client.conf |/usr/bin/grep "animation_folder" \ |/usr/bin/cut -d "=" -f2) process=/usr/bin/remote-viewer while true do if [ -z `/usr/bin/pidof feh` ] then /usr/bin/echo $animation_folder /usr/bin/feh -N -x -D1 $animation_folder & else /usr/bin/echo fi /usr/bin/nc -i 1 $server_ip $vdi_signal_port |while read line do if /usr/bin/echo "$line" |/usr/bin/grep "RULE ADDED, CONNECT NOW!" then /usr/bin/killall feh pid_process=$($process "spice://$server_ip:$vdi_spice_port" \ "--spice-disable-audio" "--spice-disable-effects=animation" \ "--spice-preferred-compression=auto-glz" "-k" \ "--kiosk-quit=on-disconnect" | /bin/echo $!) /usr/bin/wait $pid_process /usr/bin/killall -u $USER exit else /usr/bin/echo $line >> /var/log/remote.log fi done done 

 server_ip=169.254.24.1 vdi_signal_port=5905 vdi_spice_port=5906 animation_folder=/usr/share/backgrounds/animation background_folder=/usr/share/backgrounds2/fedora-workstation 

 service vdi_signal { port = 5905 socket_type = stream protocol = tcp wait = no user = root server = /home/admin/scripts_vdi_new/vm_manager.sh } 

 #!/usr/bin/sh #<SET LOCAL VARIABLES FOR SCRIPT># SRV_SCRIPTS_DIR=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_scripts_dir" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_SCRIPTS_DIR=$SRV_SCRIPTS_DIR" export SRV_SCRIPTS_DIR=$SRV_SCRIPTS_DIR SRV_POOL_SIZE=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_pool_size" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_POOL_SIZE=$SRV_POOL_SIZE" export "SRV_POOL_SIZE=$SRV_POOL_SIZE" SRV_START_PORT_POOL=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_start_port_pool" |/usr/bin/cut -d "=" -f2) /usr/bin/echo SRV_START_PORT_POOL=$SRV_START_PORT_POOL export SRV_START_PORT_POOL=$SRV_START_PORT_POOL SRV_TMP_DIR=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_tmp_dir" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_TMP_DIR=$SRV_TMP_DIR" export SRV_TMP_DIR=$SRV_TMP_DIR date=$(/usr/bin/date) #</SET LOCAL VARIABLES FOR SCRIPT># /usr/bin/echo "# $date START EXECUTE VM_MANAGER.SH #" make_connect_to_vm() { #<READING CLEAR.LIST AND CHECK PORT FOR NETWORK STATE># /usr/bin/echo "READING CLEAN.LIST AND CHECK PORT STATE" #<CHECK FOR NO ONE PORT IN CLEAR.LIST># if [ -z `/usr/bin/cat $SRV_TMP_DIR/clear.list` ] then /usr/bin/echo "NO AVALIBLE PORTS IN CLEAN.LIST FOUND" /usr/bin/echo "Will try to make housekeeper, and create new vm" make_housekeeper else #<MINIMUN ONE PORT IN CLEAR.LIST FOUND># /usr/bin/cat $SRV_TMP_DIR/clear.list |while read line do clear_vm_port=$(($line)) /bin/echo "FOUND PORT $clear_vm_port IN CLEAN.LIST. TRY NETSTAT" \ "CHECK FOR PORT=$clear_vm_port" #<NETSTAT LISTEN CHECK FOR PORT FROM CLEAN.LIST># if /usr/bin/netstat -lnt |/usr/bin/grep ":$clear_vm_port" > /dev/null then /bin/echo "$clear_vm_port IS LISTEN" #<PORT IS LISTEN. CHECK FOR IS CONNECTED NOW># if /usr/bin/netstat -nt |/usr/bin/grep ":$clear_vm_port" \ |/usr/bin/grep "ESTABLISHED" > /dev/null then #<PORT LISTEN AND ALREADY CONNECTED! MOVE PORT FROM CLEAR.LIST # TO WASTE.LIST># /bin/echo "$clear_vm_port IS ALREADY CONNECTED, MOVE PORT TO WASTE.LIST" /usr/bin/sed -i "/$clear_vm_port/d" $SRV_TMP_DIR/clear.list /usr/bin/echo $clear_vm_port >> $SRV_TMP_DIR/waste.list else #<PORT LISTEN AND NO ONE CONNECT NOW. MOVE PORT FROM CLEAR.LIST TO # CONN_WAIT.LIST AND CREATE IPTABLES RULES>## /usr/bin/echo "OK, $clear_vm_port IS NOT ALREADY CONNECTED" /usr/bin/sed -i "/$clear_vm_port/d" $SRV_TMP_DIR/clear.list /usr/bin/echo $clear_vm_port >> $SRV_TMP_DIR/conn_wait.list $SRV_SCRIPTS_DIR/vm_connect.sh $clear_vm_port #<TRY TO CLEAN VM IN WASTE.LIST AND CREATE NEW WM># /bin/echo "TRY TO CLEAN VM IN WASTE.LIST AND CREATE NEW VM" make_housekeeper /usr/bin/echo "# $date STOP EXECUTE VM_MANAGER.SH#" exit fi else #<PORT IS NOT A LISTEN. MOVE PORT FROM CLEAR.LIST TO WASTE.LIST># /bin/echo " "$clear_vm_port" is NOT LISTEN. REMOVE PORT FROM CLEAR.LIST" /usr/bin/sed -i "/$clear_vm_port/d" $SRV_TMP_DIR/clear.list /usr/bin/echo $clear_vm_port >> $SRV_TMP_DIR/waste.list make_housekeeper fi done fi } make_housekeeper() { /usr/bin/echo "=Execute housekeeper=" /usr/bin/cat $SRV_TMP_DIR/waste.list |while read line do /usr/bin/echo "$line" if /usr/bin/netstat -lnt |/usr/bin/grep ":$line" > /dev/null then /bin/echo "port_alive, vm is running" if /usr/bin/netstat -nt |/usr/bin/grep ":$line" \ |/usr/bin/grep "ESTABLISHED" > /dev/null then /bin/echo "port_in_use can't delete vm!!!" else /bin/echo "port_not in use. Deleting vm" /usr/bin/sed -i "/$line/d" $SRV_TMP_DIR/waste.list /usr/bin/echo $line >> $SRV_TMP_DIR/recycle.list $SRV_SCRIPTS_DIR/vm_delete.sh $line fi else /usr/bin/echo "posible vm is already off. Deleting vm" /usr/bin/echo "MOVE VM IN OFF STATE $line FROM WASTE.LIST TO" \ "RECYCLE.LIST AND DELETE VM" /usr/bin/sed -i "/$line/d" $SRV_TMP_DIR/waste.list /usr/bin/echo $line >> $SRV_TMP_DIR/recycle.list $SRV_SCRIPTS_DIR/vm_delete.sh "$line" fi done create_clear_vm } create_clear_vm() { /usr/bin/echo "=Create new VM=" while [ $SRV_POOL_SIZE -gt 0 ] do new_vm_port=$(($SRV_START_PORT_POOL+$SRV_POOL_SIZE)) /usr/bin/echo "new_vm_port=$new_vm_port" if /usr/bin/grep "$new_vm_port" $SRV_TMP_DIR/clear.list > /dev/null then /usr/bin/echo "$new_vm_port port is already defined in clear.list" else if /usr/bin/grep "$new_vm_port" $SRV_TMP_DIR/waste.list > /dev/null then /usr/bin/echo "$new_vm_port port is already defined in waste.list" else if /usr/bin/grep "$new_vm_port" $SRV_TMP_DIR/recycle.list > /dev/null then /usr/bin/echo "$new_vm_port PORT IS ALREADY DEFINED IN RECYCLE LIST" else if /usr/bin/grep "$new_vm_port" $SRV_TMP_DIR/conn_wait.list > /dev/null then /usr/bin/echo "$new_vm_port PORT IS ALREADY DEFINED IN CONN_WAIT LIST" else /usr/bin/echo "PORT IN NOT DEFINED IN NO ONE LIST WILL CREATE" \ "VM ON PORT $new_vm_port" /usr/bin/echo $new_vm_port >> $SRV_TMP_DIR/recycle.list $SRV_SCRIPTS_DIR/vm_create.sh $new_vm_port fi fi fi fi SRV_POOL_SIZE=$(($SRV_POOL_SIZE-1)) done /usr/bin/echo "# $date STOP EXECUTE VM_MANAGER.SH #" } make_connect_to_vm |/usr/bin/tee -a /var/log/vm_manager.log 

 #!/bin/sh date=$(/usr/bin/date) /usr/bin/echo "#" "$date" "START EXECUTE VM_CONNECT.SH#" #<SET LOCAL VARIABLES FOR SCRIPT># free_port="$1" input_iface=$(/usr/bin/cat /etc/vm_manager.conf |/usr/bin/grep "input_iface" \ |/usr/bin/cut -d "=" -f2) /usr/bin/echo "input_iface=$input_iface" vdi_spice_port=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "vdi_spice_port" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "vdi_spice_port=$vdi_spice_port" count_conn_tryes=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "count_conn_tryes" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "count_conn_tryes=$count_conn_tryes" #</SET LOCAL VARIABLES FOR SCRIPT># #<CREATE IPTABLES RULES AND SEND SIGNAL TO CONNECT># /usr/bin/echo "create rule for port" $free_port /usr/sbin/iptables -I INPUT -i $input_iface -p tcp -m tcp --dport \ $free_port -j ACCEPT /usr/sbin/iptables -I OUTPUT -o $input_iface -p tcp -m tcp --sport \ $free_port -j ACCEPT /usr/sbin/iptables -t nat -I PREROUTING -p tcp -i $input_iface --dport \ $vdi_spice_port -j DNAT --to-destination 127.0.0.1:$free_port /usr/bin/echo "RULE ADDED, CONNECT NOW!" #</CREATE IPTABLES RULES AND SEND SIGNAL TO CONNECT># #<WAIT CONNECT ESTABLISHED AND ACTIVATE CONNECT TIMER># while [ $count_conn_tryes -gt 0 ] do if /usr/bin/netstat -nt |/usr/bin/grep ":$free_port" \ |/usr/bin/grep "ESTABLISHED" > /dev/null then /bin/echo "$free_port NOW in use!!!" /usr/bin/sleep 1s /usr/sbin/iptables -t nat -D PREROUTING -p tcp -i $input_iface --dport \ $vdi_spice_port -j DNAT --to-destination 127.0.0.1:$free_port /usr/sbin/iptables -D INPUT -i $input_iface -p tcp -m tcp --dport \ $free_port -j ACCEPT /usr/sbin/iptables -D OUTPUT -o $input_iface -p tcp -m tcp --sport \ $free_port -j ACCEPT /usr/bin/sed -i "/$free_port/d" $SRV_TMP_DIR/conn_wait.list /usr/bin/echo $free_port >> $SRV_TMP_DIR/waste.list return else /usr/bin/echo "$free_port NOT IN USE" /usr/bin/echo "RULE ADDED, CONNECT NOW!" /usr/bin/sleep 1s fi count_conn_tryes=$((count_conn_tryes-1)) done #</WAIT CONNECT ESTABLISED AND ACTIVATE CONNECT TIMER># #<IF COUNT HAS EXPIRED. REMOVE IPTABLES RULE AND REVERT \ # VM TO CLEAR.LIST># /usr/bin/echo "REVERT IPTABLES RULE AND REVERT VM TO CLEAN \ LIST $free_port" /usr/sbin/iptables -t nat -D PREROUTING -p tcp -i $input_iface --dport \ $vdi_spice_port -j DNAT --to-destination 127.0.0.1:$free_port /usr/sbin/iptables -D INPUT -i $input_iface -p tcp -m tcp --dport $free_port \ -j ACCEPT /usr/sbin/iptables -D OUTPUT -o $input_iface -p tcp -m tcp --sport \ $free_port -j ACCEPT /usr/bin/sed -i "/$free_port/d" $SRV_TMP_DIR/conn_wait.list /usr/bin/echo $free_port >> $SRV_TMP_DIR/clear.list #</COUNT HAS EXPIRED. REMOVE IPTABLES RULE AND REVERT VM \ #TO CLEAR.LIST># /usr/bin/echo "#" "$date" "END EXECUTE VM_CONNECT.SH#" # Attention! Must Be! sysctl net.ipv4.conf.all.route_localnet=1 

 #!/bin/sh #<Set local VARIABLES># port_to_delete="$1" date=$(/usr/bin/date) #</Set local VARIABLES># /usr/bin/echo "# $date START EXECUTE VM_DELETE.SH#" /usr/bin/echo "TRY DELETE VM ON PORT: $vm_port" #<VM NAME SETUP># vm_name_part1=$(/usr/bin/cat /etc/vm_manager.conf |/usr/bin/grep 'base_host' \ |/usr/bin/cut -d'=' -f2) vm_name=$(/usr/bin/echo "$vm_name_part1""-""$port_to_delete") #</VM NAME SETUP># #<SHUTDOWN AND DELETE VM># /usr/bin/virsh destroy $vm_name /usr/bin/virsh undefine $vm_name /usr/bin/rm -f /var/lib/libvirt/images_write/$vm_name.qcow2 /usr/bin/sed -i "/$port_to_delete/d" $SRV_TMP_DIR/recycle.list #</SHUTDOWN AND DELETE VM># /usr/bin/echo "VM ON PORT $vm_port HAS BEEN DELETE AND REMOVE" \ "FROM RECYCLE.LIST. EXIT FROM VM_DELETE.SH" /usr/bin/echo "# $date STOP EXECUTE VM_DELETE.SH#" exit 

 #!/bin/sh /usr/bin/echo "#" "$date" "START RUNNING VM_CREATE.SH#" new_vm_port=$1 date=$(/usr/bin/date) a=0 /usr/bin/echo SRV_TMP_DIR=$SRV_TMP_DIR #<SET LOCAL VARIABLES FOR SCRIPT># base_host=$(/usr/bin/cat /etc/vm_manager.conf |/usr/bin/grep "base_host" \ |/usr/bin/cut -d "=" -f2) /usr/bin/echo "base_host=$base_host" #</SET LOCAL VARIABLES FOR SCRIPT># hdd_image_locate() { /bin/echo "Run STEP 1 - hdd_image_locate" hdd_base_image=$(/usr/bin/virsh dumpxml $base_host \ |/usr/bin/grep "source file" |/usr/bin/grep "qcow2" |/usr/bin/head -n 1 \ |/usr/bin/cut -d "'" -f2) if [ -z "$hdd_base_image" ] then /bin/echo "base hdd image not found!" else /usr/bin/echo "hdd_base_image found is a $hdd_base_image. Run next step 2" #< CHECK FOR SNAPSHOT ON BASE HDD ># if [ 0 -eq `/usr/bin/qemu-img info "$hdd_base_image" | /usr/bin/grep -c "Snapshot"` ] then /usr/bin/echo "base image haven't snapshot, run NEXT STEP 3" else /usr/bin/echo "base hdd image have a snapshot, can't use this image" exit fi #</ CHECK FOR SNAPSHOT ON BASE HDD ># #< CHECK FOR HDD IMAGE IS LINK CLONE ># if [ 0 -eq `/usr/bin/qemu-img info "$hdd_base_image" |/usr/bin/grep -c "backing file" then /usr/bin/echo "base image is not a linked clone, NEXT STEP 4" /usr/bin/echo "Base image check complete!" else /usr/bin/echo "base hdd image is a linked clone, can't use this image" exit fi fi #</ CHECK FOR HDD IMAGE IS LINK CLONE ># cloning } cloning() { # <Step_1 turn the base VM off ># /usr/bin/virsh shutdown $base_host > /dev/null 2>&1 # </Step_1 turn the base VM off ># #<Create_vm_config># /usr/bin/echo "Free port for Spice VM is $new_vm_port" #<Setup_name_for_new_VM># new_vm_name=$(/bin/echo $base_host"-"$new_vm_port) #</Setup_name_for_new_VM># #<Make_base_config_as_clone_base_VM># /usr/bin/virsh dumpxml $base_host > $SRV_TMP_DIR/$new_vm_name.xml #<Make_base_config_as_clone_base_VM># ##<Setup_New_VM_Name_in_config>## /usr/bin/sed -i "s%<name>$base_host</name>%<name>$new_vm_name</name>%g" $SRV_TMP_DIR/$new_vm_name.xml #</Setup_New_VM_Name_in_config># #<UUID Changing># old_uuid=$(/usr/bin/cat $SRV_TMP_DIR/$new_vm_name.xml |/usr/bin/grep "<uuid>") /usr/bin/echo old UUID $old_uuid new_uuid_part1=$(/usr/bin/echo "$old_uuid" |/usr/bin/cut -d "-" -f 1,2) new_uuid_part2=$(/usr/bin/echo "$old_uuid" |/usr/bin/cut -d "-" -f 4,5) new_uuid=$(/bin/echo $new_uuid_part1"-"$new_vm_port"-"$new_uuid_part2) /usr/bin/echo $new_uuid /usr/bin/sed -i "s%$old_uuid%$new_uuid%g" $SRV_TMP_DIR/$new_vm_name.xml #</UUID Changing># #<Spice port replace># old_spice_port=$(/usr/bin/cat $SRV_TMP_DIR/$new_vm_name.xml \ |/usr/bin/grep "graphics type='spice' port=") /bin/echo old spice port $old_spice_port new_spice_port=$(/usr/bin/echo "<graphics type='spice' port='$new_vm_port' autoport='no' listen='127.0.0.1'>") /bin/echo $new_spice_port /usr/bin/sed -i "s%$old_spice_port%$new_spice_port%g" $SRV_TMP_DIR/$new_vm_name.xml #</Spice port replace># #<MAC_ADDR_GENERATE># mac_new=$(/usr/bin/hexdump -n6 -e '/1 ":%02X"' /dev/random|/usr/bin/sed s/^://g) /usr/bin/echo New Mac is $mac_new #</MAC_ADDR_GENERATE># #<GET OLD MAC AND REPLACE># mac_old=$(/usr/bin/cat $SRV_TMP_DIR/$new_vm_name.xml |/usr/bin/grep "mac address=") /usr/bin/echo old mac is $mac_old /usr/bin/sed -i "s%$mac_old%$mac_new%g" $SRV_TMP_DIR/$new_vm_name.xml #<GET OLD MAC AND REPLACE># #<new_disk_create># /usr/bin/qemu-img create -f qcow2 -b $hdd_base_image /var/lib/libvirt/images_write/$new_vm_name.qcow2 #</new_disk_create># #<attach_new_disk_in_confiig># /usr/bin/echo hdd base image is $hdd_base_image /usr/bin/sed -i "s%<source file='$hdd_base_image'/>%<source file='/var/lib/libvirt/images_write/$new_vm_name.qcow2'/>%g" $SRV_TMP_DIR/$new_vm_name.xml #</attach_new_disk_in_confiig># starting_vm #</Create_vm config># } starting_vm() { /usr/bin/virsh define $SRV_TMP_DIR/$new_vm_name.xml /usr/bin/virsh start $new_vm_name while [ $a -ne 1 ] do if /usr/bin/virsh list --all |/usr/bin/grep "$new_vm_name" |/usr/bin/grep "running" > /dev/null 2>&1 then a=1 /usr/bin/sed -i "/$new_vm_port/d" $SRV_TMP_DIR/recycle.list /usr/bin/echo $new_vm_port >> $SRV_TMP_DIR/clear.list /usr/bin/echo "#" "$date" "VM $new_vm_name IS STARTED #" else /usr/bin/echo "#VM $new_vm_name is not ready#" a=0 /usr/bin/sleep 2s fi done /usr/bin/echo "#$date EXIT FROM VM_CREATE.SH#" exit } hdd_image_locate 

 #!/usr/bin/sh #set VARIABLES# SRV_SCRIPTS_DIR=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_scripts_dir" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_SCRIPTS_DIR=$SRV_SCRIPTS_DIR" export SRV_SCRIPTS_DIR=$SRV_SCRIPTS_DIR SRV_TMP_DIR=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_tmp_dir" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_TMP_DIR=$SRV_TMP_DIR" export SRV_TMP_DIR=$SRV_TMP_DIR SRV_POOL_SIZE=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_pool_size" |/usr/bin/cut -d "=" -f2) /usr/bin/echo "SRV_POOL_SIZE=$SRV_POOL_SIZE" SRV_START_PORT_POOL=$(/usr/bin/cat /etc/vm_manager.conf \ |/usr/bin/grep "srv_start_port_pool" |/usr/bin/cut -d "=" -f2) /usr/bin/echo SRV_START_PORT_POOL=$SRV_START_PORT_POOL #Set VARIABLES# /usr/bin/echo "= Cleanup ALL VM=" /usr/bin/mkdir $SRV_TMP_DIR /usr/sbin/service iptables restart /usr/bin/cat /dev/null > $SRV_TMP_DIR/clear.list /usr/bin/cat /dev/null > $SRV_TMP_DIR/waste.list /usr/bin/cat /dev/null > $SRV_TMP_DIR/recycle.list /usr/bin/cat /dev/null > $SRV_TMP_DIR/conn_wait.list port_to_delete=$(($SRV_START_PORT_POOL+$SRV_POOL_SIZE)) while [ "$port_to_delete" -gt "$SRV_START_PORT_POOL" ] do $SRV_SCRIPTS_DIR/vm_delete.sh $port_to_delete port_to_delete=$(($port_to_delete-1)) done /usr/bin/echo "= EXIT FROM VM_CLEAR.SH="