diff --git a/descriptor-packages/tools/gen_nsd_pkg.sh b/descriptor-packages/tools/gen_nsd_pkg.sh
new file mode 100755
index 0000000..4ac1ec4
--- /dev/null
+++ b/descriptor-packages/tools/gen_nsd_pkg.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+#
+#   Copyright 2016 RIFT.IO Inc
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# Author(s): Austin Cormier
+# Creation Date: 2016/05/23
+#
+
+# Generates a NSD descriptor package from a source directory
+# Usage:
+# gen_nsd_pkg.sh <pkg_src_dir> <pkg_dest_dir>
+
+set -o nounset
+
+if [ $# -ne 2 ]; then
+	echo "Error: Must provide 2 parameters" >@2
+	exit 1
+fi
+
+pkg_src_dir="$1"
+pkg_dest_dir="$2"
+
+if [ ! -e ${pkg_src_dir} ]; then
+    echo "Error: ${pkg_src_dir} does not exist"
+    exit 1
+fi
+
+if [ ! -e ${pkg_dest_dir} ]; then
+    echo "Error: ${pkg_src_dir} does not exist"
+    exit 1
+fi
+
+#echo "Generating package in directory: ${pkg_dest_dir}"
+
+# Create any missing directories/files so each package has
+# a complete hierachy
+nsd_dirs=( ns_config vnf_config icons scripts )
+nsd_files=( README )
+
+nsd_dir="${pkg_src_dir}"
+#echo $(pwd)
+
+mkdir -p "${pkg_dest_dir}"
+cp -rf ${nsd_dir}/* "${pkg_dest_dir}"
+for sub_dir in ${nsd_dirs[@]}; do
+    dir_path=${pkg_dest_dir}/${sub_dir}
+    mkdir -p ${dir_path}
+done
+
+for file in ${nsd_files[@]}; do
+    file_path=${pkg_dest_dir}/${file}
+    touch ${file_path}
+done
diff --git a/descriptor-packages/tools/gen_vnfd_pkg.sh b/descriptor-packages/tools/gen_vnfd_pkg.sh
new file mode 100755
index 0000000..185a6b4
--- /dev/null
+++ b/descriptor-packages/tools/gen_vnfd_pkg.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+#
+#   Copyright 2016 RIFT.IO Inc
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# Author(s): Austin Cormier
+# Creation Date: 2016/05/23
+#
+
+# Generates a NSD descriptor package from a source directory
+# Usage:
+# gen_vnfd_pkg.sh <pkg_src_dir> <pkg_dest_dir>
+
+set -o nounset
+
+if [ $# -ne 2 ]; then
+	echo "Error: Must provide 2 parameters" >@2
+	exit 1
+fi
+
+pkg_src_dir="$1"
+pkg_dest_dir="$2"
+
+if [ ! -e ${pkg_src_dir} ]; then
+    echo "Error: ${pkg_src_dir} does not exist"
+    exit 1
+fi
+
+if [ ! -e ${pkg_dest_dir} ]; then
+    echo "Error: ${pkg_src_dir} does not exist"
+    exit 1
+fi
+
+#echo "Generating package in directory: ${pkg_dest_dir}"
+
+# Create any missing directories/files so each package has
+# a complete hierachy
+vnfd_dirs=( charms icons scripts images )
+vnfd_files=( README )
+
+vnfd_dir="${pkg_src_dir}"
+#echo $(pwd)
+
+mkdir -p "${pkg_dest_dir}"
+cp -rf ${vnfd_dir}/* "${pkg_dest_dir}"
+for sub_dir in ${vnfd_dirs[@]}; do
+    dir_path=${pkg_dest_dir}/${sub_dir}
+    mkdir -p ${dir_path}
+done
+
+for file in ${vnfd_files[@]}; do
+    file_path=${pkg_dest_dir}/${file}
+    touch ${file_path}
+done
diff --git a/descriptor-packages/tools/generate_descriptor_pkg.sh b/descriptor-packages/tools/generate_descriptor_pkg.sh
new file mode 100755
index 0000000..d076b28
--- /dev/null
+++ b/descriptor-packages/tools/generate_descriptor_pkg.sh
@@ -0,0 +1,833 @@
+#!/bin/bash
+
+############################################################################
+# Copyright 2016 RIFT.io Inc                                               #
+#                                                                          #
+# Licensed under the Apache License, Version 2.0 (the "License");          #
+# you may not use this file except in compliance with the License.         #
+# You may obtain a copy of the License at                                  #
+#                                                                          #
+#     http://www.apache.org/licenses/LICENSE-2.0                           #
+#                                                                          #
+# Unless required by applicable law or agreed to in writing, software      #
+# distributed under the License is distributed on an "AS IS" BASIS,        #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
+# See the License for the specific language governing permissions and      #
+# limitations under the License.                                           #
+############################################################################
+
+#
+# This shell script is used to create a descriptor package
+# The main functions of this script include:
+# - Generate checksums.txt file
+# - Generate a tar.gz file
+# This script can be used to create the required folders for
+# a descriptor package and a template descriptor
+
+# Usage: generate_descriptor_pkg.sh <base-directory> <package-directory>
+
+# Descriptor names should be
+#   - (nsd|vnfd).(yaml|yml|json|xml)
+#   - *_(nsd|vnfd).(yaml|yml|json|xml)
+#   - *_(nsd|vnfd)_*.(yaml|yml|json|xml)
+#   - (nsd|vnfd)/*.(yaml|yml|json|xml)
+#
+
+SCRIPTNAME=`basename $0`
+
+# From https://osm.etsi.org/wikipub/index.php/Release_0_Data_Model_Details
+# Supported folders for VNFD
+# cloud_init - Rel 4.3, not yet part of OSM
+VNFD_FOLDERS=(images scripts icons charms cloud_init)
+
+# Supported folders for NSD
+# OSM document specifies (ns|vnf)-config folder, while Rel 4.3
+# is using (ns|vnf)_config.
+NSD_FOLDERS=(scripts icons ns_config vnf_config)
+
+# Other files allowed in the descriptor base directory
+ALLOWED_FILES=(README)
+
+DESC_TYPES=(vnfd nsd)
+DESC_EXTN=(yml yaml json xml)
+CHKSUM='checksums.txt'
+
+VERBOSE=false
+DRY_RUN=false
+CREATE=false
+RM="--remove-files"
+DEBUG=false
+
+ARCHIVE=false
+CREATE_NSD=false
+VENDOR='OSM'
+INTF_TYPE='VIRTIO'
+VCPU=2
+MEMORY=4096
+STORAGE=10
+INTERFACES=1
+
+function usage() {
+    cat <<EOF
+Usage:
+     $SCRIPTNAME [-t <type>] [-N] [-c] [base-directory] <package-name>
+
+        -h|--help : show this message
+
+        -t|--package-type <nsd|vnfd> : Descriptor package type
+                                       is NSD or VNFD. Script will try to
+                                       determine the type if not provided.
+                                       Default is vnfd for create-folders.
+
+        -d|--destination-dir <destination directory>: Directory to create the
+                                                      archived file.
+                                                      Default is base-directory
+
+        -N|--no-remove-files : Do not remove the package files after creating
+                               archive
+
+        Options specifc for create descriptor:
+
+            -c|--create-folder : Create folder with the structure for the
+                                 package type using the base-dir and package-dir
+                                 and a descriptor template
+
+            -a|--archive: Create package for the descriptor
+
+            --nsd : Generate NSD descriptor package also.
+
+            --vendor : Vendor name for descriptor. Default OSM
+
+            --interface-type : Interface type [VIRTIO|SR-IOV|PCI-PASSTHROUGH|E1000]
+                               Default VIRTIO
+
+          VM Flavour options:
+
+            --vcpu : Virtual CPU count. Default 2
+
+            --memory : Memory for VM in MB. Default 4096MB
+
+            --storage : Storage size for VM in GB. Default 10GB
+
+          VDU Parameters:
+
+            --image : Location URI of the image
+
+            --cloud-init-file : Cloud init file
+
+            --cloud-init : Cloud init script. Will be ignored if
+                           cloud-init-file is specified
+
+            --interfaces : Number of external interfaces in additon to OM-MGMT. Default 1.
+
+        End of create descriptor specific options
+
+        -v| --verbose : Generate progress details
+
+        -n| --dry-run : Validate the package dir
+
+        base-dir : Directory where the archive file or folders are created,
+                   if destination directory is not specified.
+                   Default is current directory
+
+        package-name : The descriptor name (full path if base-dir not specified)
+EOF
+}
+
+CP_TYPE='VPORT'
+function get_cp_type() {
+    case ${INTF_TYPE} in
+        VIRTIO ) CP_TYPE='VPORT';;
+        SR-IOV ) CP_TYPE='VPORT';;
+        PCI-PASSTHROUGH ) CP_TYPE='VPORT';;
+        OM-MGMT ) CP_TYPE='VPORT';;
+        E1000 ) CP_TYPE='VPORT';;
+        * ) echo "ERROR: Unknown interface type ${INTF_TYPE}"; exit 1;;
+    esac
+}
+
+# Get pci number starting from 0x0a
+get_pci() {
+   printf '%02x' $((10 + $1)) | tr '[:upper:]' '[:lower:]'
+}
+
+function write_readme() {
+    dir=$1
+    file=${dir}/README
+    date=$(date)
+
+    cat >$file <<EOF
+Descriptor created by OSM descriptor package generated
+Created on $date
+EOF
+
+}
+
+function write_vnfd_tmpl() {
+    name=$(basename $1)
+    desc_file="${name}.yaml"
+
+    cat >$desc_file <<EOF
+vnfd:vnfd-catalog:
+    vnfd:
+    -   id: ${name}
+        name: ${name}
+        short-name: ${name}
+        description: Generated by OSM pacakage generator
+        vendor: ${VENDOR}
+        version: '1.0'
+
+        # Place the logo as png in icons directory and provide the name here
+        # logo: <update, optional>
+
+        # Management interface
+        mgmt-interface:
+            vdu-id: ${name}-VM
+
+        # Atleast one VDU need to be specified
+        vdu:
+        # Additional VDUs can be created by copying the
+        # VDU descriptor below
+        -   id: ${name}-VM
+            name: ${name}-VM
+            description: ${name}-VM
+            count: 1
+
+            # Flavour of the VM to be instantiated for the VDU
+            vm-flavor:
+                vcpu-count: ${VCPU}
+                memory-mb: ${MEMORY}
+                storage-gb: ${STORAGE}
+
+            # Image including the full path
+            image: '${IMAGE}'
+
+EOF
+
+    # Add the cloud init file or script
+    if [[ -n ${CLOUD_INIT_FILE} ]]; then
+        cif=$(basename ${CLOUD_INIT_FILE})
+        cat >>$desc_file <<EOF
+            # Cloud init file
+            cloud-init-file: '${cif}'
+EOF
+    elif [[ -n ${CLOUD_INIT} ]]; then
+        cat >>$desc_file <<EOF
+            # Cloud init to use
+            cloud-init: '${CLOUD_INIT}'
+EOF
+    fi
+
+    # Add external interfaces
+    cat >>$desc_file <<EOF
+            external-interface:
+            # Specify the external interfaces
+            # There can be multiple interfaces defined
+EOF
+
+    # Add mgmt interface
+    cat >>$desc_file <<EOF
+            -   name: eth0
+                virtual-interface:
+                    type: VIRTIO
+                    bandwidth: '0'
+                    vpci: '0000:00:0a.0'
+                vnfd-connection-point-ref: eth0
+EOF
+
+    # Add external interfaces
+    for i in `seq 1 ${INTERFACES}`; do
+        eth=$(($i))
+        pci=$(get_pci $eth)
+        cat >>$desc_file <<EOF
+            -   name: eth${eth}
+                virtual-interface:
+                    type: ${INTF_TYPE}
+                    bandwidth: '0'
+                    vpci: '0000:00:${pci}.0'
+                vnfd-connection-point-ref: eth${eth}
+EOF
+    done
+
+    # Add connection points
+    cat >>$desc_file <<EOF
+
+        connection-point:
+EOF
+
+    for i in `seq 0 ${INTERFACES}`; do
+        eth=$(($i))
+        cat >>$desc_file <<EOF
+            -   name: eth${eth}
+                type: ${CP_TYPE}
+EOF
+    done
+
+    cat >>$desc_file <<EOF
+
+        # Uncomment and update below to enable juju
+        # charm configuration for the VNF
+        # vnf-configuration:
+        #     juju:
+        #         charm: <charm name>
+        #     service-primitive:
+        #     -   name: config
+        #         parameter:
+        #         -   name: <config parameter>
+        #             data-type: [STRING|INTEGER]
+        #             mandatory: [true|false]
+        #             default-value: <value>
+        #     -   name: <action name>
+        #         parameter:
+        #         -   name: <action parameter>
+        #             data-type: [STRING|INTEGER]
+        #             mandatory: [true|false]
+        #             default-value: <value>
+        #     initial-config-primitive:
+        #     -   name: config
+        #         parameter:
+        #         -   name: <config name>
+        #             value: <value>
+        #     -   name: <action name>
+        #         parameter:
+        #         -   name: <action parameter>
+        #             value: <value>
+EOF
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Created $desc_file"
+    fi
+}
+
+function write_nsd_tmpl() {
+    name=$(basename $1)
+    vnfd=$2
+    desc_file="${name}.yaml"
+
+    cat >$desc_file <<EOF
+nsd:nsd-catalog:
+    nsd:
+    -   id: ${name}
+        name: ${name}
+        short-name: ${name}
+        description: Generated by OSM pacakage generator
+        vendor: ${VENDOR}
+        version: '1.0'
+
+        # Place the logo as png in icons directory and provide the name here
+        # logo: <update, optional>
+
+        # Specify the VNFDs that are part of this NSD
+        constituent-vnfd:
+            # The member-vnf-index needs to be unique, starting from 1
+            # vnfd-id-ref is the id of the VNFD
+            # Multiple constituent VNFDs can be specified
+        -   member-vnf-index: 1
+            vnfd-id-ref: ${vnfd}
+
+EOF
+
+    cat >>$desc_file <<EOF
+        vld:
+        # Networks for the VNFs
+EOF
+
+    # Add management VLD
+    cat >>$desc_file <<EOF
+            -   id: ${name}_vld0
+                name: management
+                short-name: management
+                type: ELAN
+                mgmt-network: 'true'
+                # vim-network-name: <update>
+                # provider-network:
+                #     overlay-type: VLAN
+                #     segmentation_id: <update>
+                vnfd-connection-point-ref:
+                # Specify the constituent VNFs
+                # member-vnf-index-ref - entry from constituent vnf
+                # vnfd-id-ref - VNFD id
+                # vnfd-connection-point-ref - connection point name in the VNFD
+                -   nsd:member-vnf-index-ref: 1
+                    nsd:vnfd-id-ref: ${vnfd}
+                    # NOTE: Validate the entry below
+                    nsd:vnfd-connection-point-ref: eth0
+EOF
+
+    # Add rest of VLDs
+    for i in `seq 1 ${INTERFACES}`; do
+        eth=$(($i))
+        cat >>$desc_file <<EOF
+            -   id: ${name}_vld${i}
+                name: ${name}_vld${i}
+                short-name: ${name}_vld${i}
+                type: ELAN
+                # vim-network-name: <update>
+                # provider-network:
+                #     overlay-type: VLAN
+                #     segmentation_id: <update>
+                vnfd-connection-point-ref:
+                # Specify the constituent VNFs
+                # member-vnf-index-ref - entry from constituent vnf
+                # vnfd-id-ref - VNFD id
+                # vnfd-connection-point-ref - connection point name in the VNFD
+                -   nsd:member-vnf-index-ref: 1
+                    nsd:vnfd-id-ref: ${vnfd}
+                    # NOTE: Validate the entry below
+                    nsd:vnfd-connection-point-ref: eth${eth}
+EOF
+        done
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Created $desc_file"
+    fi
+}
+
+function write_nsd_config_tmpl() {
+    name=$(basename $1)
+    cfg_file="ns_config/$name.yaml"
+
+    cat >$cfg_file <<EOF
+
+EOF
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Created $cfg_file"
+    fi
+}
+
+cur_dir=`pwd`
+
+# Check if the array contains a specific value
+# Taken from
+# http://stackoverflow.com/questions/3685970/check-if-an-array-contains-a-value
+function contains() {
+    local n=$#
+    local value=${!n}
+    for ((i=1;i < $#;i++)); do
+        if [ "${!i}" == "${value}" ]; then
+            echo "y"
+            return 0
+        fi
+    done
+    echo "n"
+    return 1
+}
+
+function check_type() {
+    type=$1
+    if [ $(contains "${DESC_TYPES[@]}" $type) == "y" ]; then
+        TYPE=$type
+    else
+        echo "ERROR: Unknown descriptor type $type!" >&2
+        exit 1
+    fi
+}
+
+function get_expr(){
+    # First argument is to specify if this is a negative match or not
+    # Rest are filename expressions without extension
+
+    local regex=" "
+    local n=$#
+    local neg="${1}"
+    local first="true"
+    for ((i=2;i <= $#;i++)); do
+        for extn in "${DESC_EXTN[@]}"; do
+            if [ $first == true ]; then
+                if [ $neg == true ]; then
+                    subexpr='! -name'
+                else
+                    subexpr='-name'
+                fi
+                first=false
+            else
+                if [ $neg == true ]; then
+                    subexpr=' -a ! -name'
+                else
+                    subexpr=' -o -name'
+                fi
+            fi
+
+            regex="$regex $subexpr ${!i}.$extn"
+        done
+    done
+
+    echo "$regex"
+}
+
+function generate_package(){
+    type=$1
+    name="${2}_${type}"
+    vnfd="${2}_vnfd" # Required for NSD
+    dest_dir=$3
+
+    dir="${dest_dir}/${name}"
+
+    # Create the folders for the descriptor
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Creating folders for $PKG in $dest_dir"
+    fi
+
+    # Remove any existing directory
+    if [ -d $dir ]; then
+        rm -rf $dir >/dev/null 2>&1
+    fi
+
+    mkdir -p $dir && cd $dir
+    if [ $? -ne 0 ]; then
+        rc=$?
+        echo "ERROR: creating directory $dir ($rc)" >&2
+        exit $rc
+    fi
+
+    if [ $type == 'nsd' ]; then
+        folders=("${NSD_FOLDERS[@]}")
+    else
+        folders=("${VNFD_FOLDERS[@]}")
+    fi
+
+    for d in ${folders[@]}; do
+        mkdir -p $dir/$d
+        if [ $? -ne 0 ]; then
+            rc=$?
+            echo "ERROR: creating directory $dir/$d ($rc)" >&2
+            exit $rc
+        fi
+        if [ $VERBOSE == true ]; then
+            echo "Created folder $d in $dir"
+        fi
+    done
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Created folders for in $dir"
+    fi
+
+    # Write a descriptor template file
+    if [ $type == 'vnfd' ]; then
+
+        # Copy cloud init file to correct folder
+        if [[ -n ${CLOUD_INIT_FILE} ]]; then
+            if [[ -e ${CLOUD_INIT_FILE} ]]; then
+                cp ${CLOUD_INIT_FILE} $dir/cloud_init
+            else
+                echo "ERROR: Unable to find cloud-init-file ${CLOUD_INIT_FILE}"
+                exit 1
+            fi
+        fi
+
+        write_vnfd_tmpl $dir
+    else
+        write_nsd_tmpl $dir $vnfd
+    fi
+
+    write_readme $dir
+
+    if [ $ARCHIVE == true ]; then
+        # Create archive of the package
+        cd $dest_dir
+        if [ $VERBOSE == true ]; then
+            tar zcvf ${name}.tar.gz ${name}
+            echo "Created package ${name}.tar.gz in $dest_dir"
+        else
+            tar zcvf ${name}.tar.gz ${name} >/dev/null 2>&1
+        fi
+
+        if [ $? -ne 0 ]; then
+            echo "ERROR: Creating archive for ${name} in $dest_dir" >&2
+            exit 1
+        fi
+
+        echo "$dest_dir/${name}.tar.gz" >&2
+
+        if [ $RM == true ]; then
+            rm -rf ${name}
+        fi
+    fi
+}
+
+OPTS=`getopt -o vhnt:d:caN --long verbose,dry-run,help,package-type:,destination-dir,create-folder,no-remove-files,archive,nsd,vendor:,interface-type:,vcpu:,memory:,storage:,image:,cloud-init-file:,cloud-init:,interfaces:,debug -n $SCRIPTNAME -- "$@"`
+
+if [ $? != 0 ] ; then
+    echo "ERROR: Failed parsing options ($?)." >&2
+    usage
+    exit 1
+fi
+
+#echo "$OPTS"
+eval set -- "$OPTS >/dev/null 2>&1"
+
+while true; do
+    case "$1" in
+        -v | --verbose ) VERBOSE=true; shift ;;
+        -h | --help )    usage; exit 0; shift ;;
+        -n | --dry-run ) DRY_RUN=true; shift ;;
+        -t | --package-type ) check_type "$2"; shift; shift ;;
+        -d | --destination-dir ) DEST_DIR=$2; shift; shift;;
+        -c | --create-folder ) CREATE=true; shift;;
+        -N | --no-remove-files ) RM=''; shift;;
+        -a | --archive ) ARCHIVE=true; shift;;
+        --nsd ) CREATE_NSD=true; shift;;
+        --vendor ) VENDOR=$2; shift; shift;;
+        --interface-type ) INTF_TYPE=$2; shift; shift;;
+        --vcpu ) VCPU=$2; shift; shift;;
+        --memory ) MEMORY=$2; shift; shift;;
+        --storage ) STORAGE=$2; shift; shift;;
+        --image ) IMAGE=$2; shift; shift;;
+        --cloud-init ) CLOUD_INIT=$2; shift; shift;;
+        --cloud-init-file ) CLOUD_INIT_FILE=$2; shift; shift;;
+        --interfaces ) INTERFACES=$2; shift; shift;;
+        --debug ) DEBUG=true; shift;;
+        -- ) shift; break ;;
+        * ) break ;;
+    esac
+done
+
+if [ $DEBUG == true ]; then
+    echo "INFO: Debugging ON"
+    set -x
+fi
+
+if [ $VERBOSE == true ]; then
+    echo "INFO: Descriptor type: $TYPE"
+fi
+
+# Dry run is to validate existing descriptor folders
+if [ $DRY_RUN == true ] && [ $CREATE == true ]; then
+    echo "ERROR: Option dry-run with create-folders not supported!" >&2
+    exit 1
+fi
+
+if [ $# -gt 1 ]; then
+    BASE_DIR=$1
+    PKG=$(basename $2)
+else
+    BASE_DIR=$(dirname $1)
+    PKG=$(basename $1)
+fi
+
+if [ $VERBOSE == true ]; then
+    echo "INFO: Using base dir: $BASE_DIR"
+fi
+
+if [ $VERBOSE == true ]; then
+    echo "INFO: Using package: $PKG"
+fi
+
+if [[ -z "$PKG" ]]; then
+    echo "ERROR: Need to specify the package name" >&2
+    usage >&2
+    exit 1
+fi
+
+if [[ ! -d $BASE_DIR ]]; then
+    if [ $CREATE == true ]; then
+        mkdir -p $BASE_DIR
+        if [ $? -ne 0 ]; then
+            echo "ERROR: Unable to create base directory $BASE_DIR" >&2
+            exit 1
+        fi
+    fi
+fi
+cd $BASE_DIR
+if [ $? -ne 0 ]; then
+    echo "ERROR: Unable to change to base directory $BASE_DIR!" >&2
+    exit 1
+fi
+
+# Get full base dir path
+BASE_DIR=`pwd`
+cd $cur_dir
+
+if [[ -z $DEST_DIR ]]; then
+    DEST_DIR=$BASE_DIR # Default to base directory
+fi
+
+mkdir -p $DEST_DIR
+
+cd $DEST_DIR
+if [ $? -ne 0 ]; then
+    echo "ERROR: Not able to access destination directory $DEST_DIR!" >&2
+    exit 1
+fi
+
+# Get the full destination dir path
+DEST_DIR=`pwd`
+cd $cur_dir
+
+dir=${BASE_DIR}/${PKG}
+
+function add_chksum() {
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Add file $1 to $CHKSUM"
+    fi
+
+    md5sum $1 >> $CHKSUM
+}
+
+if [ $CREATE == false ]; then
+    if [ ! -d $dir ]; then
+        echo "INFO: Package folder $dir not found!" >&2
+        exit 1
+    fi
+
+    cd $dir
+    if [ $? -ne 0 ]; then
+        rc=$?
+        echo "ERROR: changing directory to $dir ($rc)" >&2
+        exit $rc
+    fi
+
+    # Remove checksum file, if present
+    rm -f $CHKSUM
+
+    # Check if the descriptor file is present
+    if [[ -z $TYPE ]]; then
+        # Desc type not specified, look for the desc file and guess the type
+        # Required for backward compatibility
+        for ty in ${DESC_TYPES[@]}; do
+            re=$(get_expr false "$ty" "*_$ty" "*_${ty}_*")
+            desc=$(find * -maxdepth 0 -type f $re 2>/dev/null)
+
+            if [[ -z $desc ]] || [ ${#desc[@]} -eq 0 ]; then
+                # Check the vnfd|nsd folder
+                if [ ! -d $ty ]; then
+                    continue
+                fi
+                re=$(get_expr false "*")
+                desc=$(find $ty/* -maxdepth 0 -type f $re 2>/dev/null)
+                if [[ -z $desc ]] || [ ${#desc[@]} -eq 0 ]; then
+                    continue
+                elif [ ${#desc[@]} -gt 1 ]; then
+                    echo "ERROR: Found multiple descriptor files: ${desc[@]}" >&2
+                    exit 1
+                fi
+                # Descriptor sub directory
+                desc_sub_dir=$ty
+            fi
+
+            TYPE=$ty
+            if [ $TYPE == 'nsd' ]; then
+                folders=("${NSD_FOLDERS[@]}")
+            else
+                folders=("${VNFD_FOLDERS[@]}")
+            fi
+
+            if [ $VERBOSE == true ]; then
+                echo "INFO: Determined descriptor is of type $TYPE"
+            fi
+            break
+        done
+
+        if [[ -z $TYPE ]]; then
+            echo "ERROR: Unable to determine the descriptor type!" >&2
+            exit 1
+        fi
+    else
+        if [ $TYPE == 'nsd' ]; then
+            folders=("${NSD_FOLDERS[@]}")
+        else
+            folders=("${VNFD_FOLDERS[@]}")
+        fi
+
+        # Check for descriptor of type provided on command line
+        re=$(get_expr false "$TYPE" "*_${TYPE}" "*_${TYPE}_*")
+        desc=$(find * -maxdepth 0 -type f $re 2>/dev/null)
+
+        if [[ -z $desc ]] || [ ${#desc[@]} -eq 0 ]; then
+            # Check if it is under vnfd/nsd subdirectory
+            # Backward compatibility support
+            re=$(get_expr false "*")
+            desc=$(find $TYPE/* -maxdepth 0 -type f $re 2>/dev/null)
+            if [[ -z $desc ]] || [ ${#desc[@]} -eq 0 ]; then
+                echo "ERROR: Did not find descriptor file of type $TYPE" \
+                     " in $dir" >&2
+                exit 1
+            fi
+            desc_sub_dir=$ty
+        fi
+    fi
+
+    if [ ${#desc[@]} -gt 1 ]; then
+        echo "ERROR: Found multiple files of type $TYPE in $dir: $desc" >&2
+        exit 1
+    fi
+
+    descriptor=${desc[0]}
+
+    # Check if there are files not supported
+    files=$(find * -maxdepth 0 -type f ! -name $descriptor 2>/dev/null)
+
+    for f in ${files[@]}; do
+        if [ $(contains "${ALLOWED_FILES[@]}" $f)  == "n" ]; then
+            echo "WARN: Unsupported file $f found"
+        fi
+    done
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Found descriptor package: ${desc_sub_dir} ${descriptor}"
+    fi
+
+    if [ $DRY_RUN == false ]; then
+        add_chksum ${descriptor}
+    fi
+
+    # Check the folders are supported ones
+    dirs=$( find * -maxdepth 0 -type d )
+
+    for d in ${dirs[@]}; do
+        if [ $(contains "${folders[@]}" $d) == "y" ]; then
+            if [ $DRY_RUN == false ]; then
+                find $d/* -type f  2>/dev/null|
+                    while read file; do
+                        add_chksum $file
+                    done
+            fi
+        elif [[ -z $desc_sub_dir ]] || [ $d != $desc_sub_dir ]; then
+            echo "WARN: $d is not part of standard folders " \
+                 "for descriptor type $TYPE in $PKG"
+        fi
+    done
+
+    if [ $VERBOSE == true ]; then
+        echo "INFO: Creating archive for $PKG"
+    fi
+
+    cd $BASE_DIR
+    if [ $DRY_RUN == false ]; then
+        if [ $VERBOSE == true ]; then
+            tar zcvf "$DEST_DIR/$PKG.tar.gz" "${PKG}" ${RM}
+        else
+            #tar zcvf ${name}.tar.gz ${name} >/dev/null 2>&1
+            tar zcvf "$DEST_DIR/$PKG.tar.gz" "${PKG}" ${RM} > /dev/null 2>&1
+        fi
+        if [ $? -ne 0 ]; then
+            rc=$?
+            echo "ERROR: creating archive for $PKG ($rc)" >&2
+            exit $rc
+        fi
+    fi
+else
+    # Create, default to VNFD if no type is defined
+    if [[ -z $TYPE ]]; then
+        TYPE=vnfd
+        if [ $VERBOSE == true ]; then
+            echo "WARNING: Defaulting to descriptor type $TYPE"
+        fi
+    fi
+
+    if [ $TYPE == 'vnfd' ]; then
+        if [[ -z $IMAGE ]]; then
+            echo "ERROR: Image file need to be specified for VNF"
+            exit 1
+        fi
+        generate_package vnfd $PKG $DEST_DIR
+    fi
+
+    if [ $TYPE == 'nsd' -o  $CREATE_NSD == true ]; then
+        generate_package nsd $PKG $DEST_DIR
+    fi
+
+fi
+
+cd $cur_dir