Update KVM Export-Import Help

kvm-export-import.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+# ----------------------------------------------------------------------------------------------------
+# AUTHOR   : KARTHICK S
+# PURPOSE  : THIS SCRIPT WILL EXPORT/IMPORT THE CONFIG AND VM DISK. 
+#
+# usage: 
+# export function will take care of exporting the necessary for all VM. Run as "<scriptname.sh> export"
+# import function will take care of importing the necessary for all VM. Run as "<scriptname.sh> import"
+#
+# NOTE: Do not add trailing / for the directory when giving export and import path.
+#------------------------------------------------------------------------------------------------------
+
+# Trigger the script with root user or exit.
+if [[ ${UID} -ne 0 ]]; then
+  echo -e "[EXIT] - Run the script as root user or with sudo privilege..."
+  exit
+fi
+
+function export_vm(){
+  
+  # Get the export location.
+  read -p "Provide the directory path where disk and config files to be exported: " EXPORT_LOCATION
+
+  # Create the destination directory if not exists.
+  [[ -d ${EXPORT_LOCATION} ]] || mkdir -p ${EXPORT_LOCATION}
+
+  # Exporting the config using virsh dumpxml command.
+  VM_NAMES=($(virsh list --all| awk '(NR>2)' | awk '{ print $2 }'))
+  for VM in ${VM_NAMES[@]}; do
+    virsh dumpxml ${VM} > ${EXPORT_LOCATION}/${VM}.xml
+  done
+
+  # Using rsync copy the entire directory from default location.
+  echo -e "\n[ Copying disk images ]\n" && sudo rsync -avxp --progress /var/lib/libvirt/images ${EXPORT_LOCATION}
+
+  echo -e "\n[ Exported Files ] \n" && ls -lR ${EXPORT_LOCATION}
+
+} 
+
+function import_vm(){
+
+  # Get the source location.
+  read -p "Provide the directory path where disk and config files are stored: " SOURCE_LOCATION
+
+  # Throws error if directory is not available and exit.
+  [[ -d ${SOURCE_LOCATION} ]] || { echo "Directory not available"; exit 1 ; }
+
+  # Copy all the files to default disk location.
+  echo -e "[ Copying disk images ]\n" && sudo rsync -avxp --progress ${SOURCE_LOCATION}/images /var/lib/libvirt/
+
+  if [[ $? -eq 0 ]]; then
+    # Define VM
+    echo -e "\n[ Defining VM ]\n"
+    for XML_FILE in ${SOURCE_LOCATION}/*.xml; do
+      virsh define --file ${XML_FILE} 
+    done
+    echo -e "\n[ Imported VM List ]\n" && virsh list --all
+  fi
+
+}
+
+case $1 in
+ export ) export_vm ;;
+ import ) import_vm ;;
+ *) echo -e "USAGE : 
+kvm_export_import.sh export - Export config and disk
+kvm_export_import.sh import - Define VM and copy the disk"; exit 
+esac

kvm-export-import.txt

@@ -1,3 +1,7 @@
+virsh list --all
+virsh shutdown ns1.intensewebs.com
+virsh dumpxml ns1.intensewebs.com /home/iw/
+
 # EXAMPLE virsh dumpxml vm_name | less
 virsh dumpxml ubuntu20.04-clone | grep -i "source"
 virsh dumpxml ubuntu20.04-clone | grep -i "MEMORY"