update

add-guest.sh

@@ -0,0 +1,132 @@
+#!/bin/bash
+## This script import and launch minimal KVM images with a text console         ##
+## First download all the qcow2 images on https://download.goffinet.org/kvm/         ##
+## Usage : bash define-guest.sh <name> <image>                                  ##
+## Reset root password with the procedure :                                     ##
+## https://linux.goffinet.org/06-02-demarrage-du-systeme-linux/#5-password-recovery##
+##################################################################################
+## Please check all the variables
+# First parmater as name
+name=$1
+# Secund parameter image name avaible on "https://download.goffinet.org/kvm/"
+#imagename="centos7 bionic debian10"
+which curl > /dev/null || ( echo "Please install curl" && exit )
+imagename="$(curl -kqs https://download.goffinet.org/kvm/imagename)"
+image="$2.qcow2"
+# Generate an unique string
+uuid=$(uuidgen -t)
+# Nested (default no)
+nested=""
+#nested="--cpu host-passthrough"
+# VCPUs
+vcpu="1"
+# The new guest disk name
+disk="${name}-${uuid}.qcow2"
+# Diskbus can be 'ide', 'scsi', 'usb', 'virtio' or 'xen'
+diskbus="virtio"
+size="8"
+# Hypervisor can be 'qemu', 'kvm' or 'xen'
+hypervisor="kvm"
+# RAM in Mb
+memory="1024"
+# Graphics 'none' or 'vnc'
+graphics="none"
+# Network interface and model 'virtio' or 'rtl8139' or 'e1000'
+interface="virbr0"
+model="virtio"
+# osinfo-query os
+if [ $image = "bionic.qcow2" ]; then
+os="ubuntu18.04"
+fi
+if [ $image = "debian10.qcow2" ]; then
+os="debian9"
+fi
+if [ $image = "centos7.qcow2" ]; then
+os="centos7.0"
+fi
+if [ $image = "focal.qcow2" ]; then
+os="ubuntu18.04"
+fi
+if [ $image = "centos8.qcow2" ]; then
+os="centos7.0"
+fi
+if [ $image = "fedora32.qcow2" ]; then
+os="fedora28"
+fi
+# Parameters for metasploitable guests
+if [ $image = "metasploitable.qcow2" ]; then
+diskbus="scsi"
+model="e1000"
+fi
+# Parameters for Kali guests
+if [ $image = "kali.qcow2" ]; then
+memory="1024"
+fi
+if [ $image = "gns3.qcow2" ]; then
+memory="2048"
+nested="--cpu host-passthrough"
+fi
+
+## Download the image dialog function : list, choice, sure, download
+usage_message () {
+echo "Usage : $0 <name> <image>"
+echo "Please download one of those images in /var/lib/libvirt/images :"
+for x in $imagename ; do
+echo "https://download.goffinet.org/kvm/${x}.qcow2"
+done
+}
+
+## Check parameters
+# check "$#" -lt 2
+if [ "$#" -ne 2  ] ; then
+usage_message
+exit
+fi
+# check a valid image name
+if grep -qvw "$2" <<< "$imagename" ; then
+usage_message
+exit
+fi
+# check the presence of the image
+if [ ! -f /var/lib/libvirt/images/${image}  ] ; then
+usage_message
+exit
+fi
+# Check the usage of the requested domain
+if grep -qw ${name} <<< $(virsh list --all --name)  ; then
+echo "Please provide an other guest name : exit"
+exit
+fi
+
+## Linked image copy to the default storage pool ##
+#cp /var/lib/libvirt/images/$image /var/lib/libvirt/images/$disk
+qemu-img create -f qcow2 -b /var/lib/libvirt/images/$image /var/lib/libvirt/images/$disk
+
+## Customize this new guest disk
+if [ $image = "bionic.qcow2" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --operations customize --firstboot-command "sudo dbus-uuidgen > /etc/machine-id ; sudo hostnamectl set-hostname $name ; sudo reboot"
+fi
+if [ $image = "debian10.qcow2" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --operations customize --firstboot-command "sudo dbus-uuidgen > /etc/machine-id ; sudo hostnamectl set-hostname $name ; sudo reboot"
+fi
+if [ $image = "centos7.qcow2" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --hostname $name --selinux-relabel  --quiet
+fi
+
+## Import and lauch the new guest ##
+virt-install \
+--virt-type $hypervisor \
+--name=$name \
+--disk path=/var/lib/libvirt/images/$disk \
+--ram=$memory \
+--vcpus=$vcpu \
+--os-type=linux \
+--os-variant=$os \
+--network bridge=$interface,model=$model \
+--graphics $graphics \
+--console pty,target_type=serial \
+--import \
+--noautoconsole $nested

deploy-image-by-profile.sh

@@ -0,0 +1,141 @@
+#!/bin/bash
+
+#imagename="debian7 debian8 debian10 centos7 centos8 ubuntu1604 bionic metasploitable kali arch"
+which curl > /dev/null || ( echo "Please install curl" && exit )
+imagename="$(curl -kqs https://download.goffinet.org/kvm/imagename)"
+image=$4
+# Generate an unique string
+uuid=$(uuidgen -t)
+name=$1
+# Nested (default no)
+nested=""
+#nested="--cpu host-passthrough"
+network=$2
+# Profiles : xsmall, small, medium, big (and  desktop)
+profile=$3
+parameters=$#
+# osinfo-query os
+if [ $image = "bionic.qcow2" ]; then
+os="ubuntu18.04"
+fi
+if [ $image = "debian10.qcow2" ]; then
+os="debian9"
+fi
+if [ $image = "centos7.qcow2" ]; then
+os="centos7.0"
+fi
+if [ $image = "focal.qcow2" ]; then
+os="ubuntu18.04"
+fi
+if [ $image = "centos8.qcow2" ]; then
+os="centos7.0"
+fi
+if [ $image = "fedora32.qcow2" ]; then
+os="fedora28"
+fi
+
+usage_message () {
+## Usage message
+echo "Usage : $0 <name> <network_name> <profile> <image_name>"
+echo "Profiles available : xsmall, small, medium, big, desktop"
+echo "centos7 is the image name by default if ommited"
+echo "Please download one of those images in /var/lib/libvirt/images :"
+for x in $imagename ; do
+echo "https://download.goffinet.org/kvm/${x}.qcow2"
+done
+}
+
+profile_definition () {
+# VCPUs
+vcpu="1"
+# The new guest disk name
+disk="${name}-${uuid}.qcow2"
+# Diskbus can be 'ide', 'scsi', 'usb', 'virtio' or 'xen'
+diskbus="virtio"
+size="8"
+# Hypervisor can be 'qemu', 'kvm' or 'xen'
+hypervisor="kvm"
+# Graphics 'none' or 'vnc'
+graphics="none"
+# RAM in Mb
+memory="256"
+# Network interface and model 'virtio' or 'rtl8139' or 'e1000'
+model="virtio"
+case "$profile" in
+    xsmall) ;;
+    small) memory="512" ;;
+    medium) memory="1024" ;;
+    big) vcpu="2"
+         memory="2048" ;;
+    desktop) ;;
+    *) usage_message ; exit ;;
+esac
+}
+
+check_paramters () {
+## Check parameters
+if [ "$parameters" -eq 3 ] ; then image="centos7" ; fi
+if [ "$parameters" -eq 4 ] ; then image=$image ; fi
+if [ "$parameters" -gt 5  ] ; then usage_message ; exit ; fi
+if [ "$parameters" -lt 3  ] ; then usage_message ; exit ; fi
+#check a valid image name
+if grep -qvw "$image" <<< "$imagename" ; then usage_message ; exit ; fi
+# check the presence of the image
+if [ ! -f /var/lib/libvirt/images/${image}.qcow2  ] ; then usage_message ; exit ; fi
+# Check the usage of the requested domain
+if grep -qw "$name" <<< $(virsh list --all --name)  ; then echo "Please provide an other guest name : exit" ; exit; fi
+# Check the network
+if [ ! -e /run/libvirt/network/${network}.xml ] ; then echo "$network network does not exist"
+echo "Please create a new one or choose a valid present network : " ; virsh net-list ; exit; fi
+}
+
+copy_image () {
+## Linked image copy to the default storage pool ##
+#cp /var/lib/libvirt/images/$image /var/lib/libvirt/images/$disk
+qemu-img create -f qcow2 -b /var/lib/libvirt/images/${image}.qcow2 /var/lib/libvirt/images/$disk
+}
+
+customize_new_disk () {
+## Customize this new guest disk
+if [ $image = "bionic" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --operations customize --firstboot-command "sudo dbus-uuidgen > /etc/machine-id ; sudo hostnamectl set-hostname $name ; sudo reboot"
+fi
+if [ $image = "focal" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --operations customize --firstboot-command "sudo dbus-uuidgen > /etc/machine-id ; sudo hostnamectl set-hostname $name ; sudo reboot"
+fi
+if [ $image = "debian10" ]; then
+sleep 1
+virt-sysprep -a /var/lib/libvirt/images/$disk --operations customize --firstboot-command "sudo dbus-uuidgen > /etc/machine-id ; sudo hostnamectl set-hostname $name ; sudo reboot"
+fi
+if [ $image = "centos7" ]; then
+virt-sysprep -a /var/lib/libvirt/images/$disk --hostname $name --selinux-relabel  --quiet
+fi
+}
+
+import_launch () {
+## Import and lauch the new guest ##
+virt-install \
+--virt-type $hypervisor \
+--name=$name \
+--disk path=/var/lib/libvirt/images/$disk,size=$size,format=qcow2,bus=$diskbus \
+--ram=$memory \
+--vcpus=$vcpu \
+--os-type=linux \
+--os-variant=$os \
+--network network=$network,model=$model \
+--graphics $graphics \
+--console pty,target_type=serial \
+--import \
+--noautoconsole $nested
+}
+
+start_time="$(date -u +%s)"
+check_paramters
+profile_definition
+copy_image
+customize_new_disk
+import_launch
+end_time="$(date -u +%s)"
+echo "Time elapsed $(($end_time-$start_time)) second"

destroy_and_undefine_all.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+#This script destroy, undefine and remove storage for all the guests
+
+destroy_all () {
+for x in $(virsh list --all --name); do virsh destroy $x; virsh undefine $x --remove-all-storage; done
+}
+
+main () {
+echo "This script destroy, undefine and remove storage for all the guests"
+read -r -p "Are you sure? [y/N] " response
+case "$response" in
+    [yY][eE][sS]|[yY]) 
+        destroy_all
+        ;;
+    *)
+        exit 
+        ;;
+esac
+}
+
+#main
+destroy_all