Box packing script for Vagrant VMWare plugin.

pack

#!/bin/bash
#
# Copyright (c) 2015 Marc Ransome <marc.ransome@fidgetbox.co.uk>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

program_name=`basename "$0"`
number_args="$#"
metadata="{
    \"provider\" : \"vmware_fusion\"
}"

# --FUNCTIONS------------------------------------------------------------------

function usage {
    echo "usage: $program_name vmwarevm_path target_box"
}

function log {
    local message=$1

    echo $message
}

function bail_on_failure {
    local status=$1
    local error_message=$2

    if [ $status -ne 0 ]; then
        log "$error_message"
        exit 1
    fi
}

function bail_on_success {
    local status=$1
    local error_message=$2
    
    if [ $1 -eq 0 ]; then
        log "$error_message"
        exit 1 
    fi
}

function package {
    local vmwarevm=$(echo $1 | sed 's/\/*$//g')
    local box=$2

    if [ ! -e "$vmwarevm/metadata.json" ]; then
        log "--> creating metadata.json"
        touch "$vmwarevm/metadata.json" >/dev/null 2>&1
        bail_on_failure "$?" "Cannot create metadata.json"
        echo "$metadata" > "$vmwarevm"/metadata.json 2>/dev/null
        bail_on_failure "$?" "Cannot create metadata.json"
    else
        log "--> found metadata.json"
    fi 
    
    log "--> archiving data files"
    cd "$vmwarevm" >/dev/null 2>&1
    bail_on_failure "$?" "Unable to cd to vmwarevm directory"
    find . \( -name '*.nvram' -or -name '*.vmx' -or -name '*.vmxf' -or -name '*.vmdk' -or -name '*.vmsn' -or -name 'metadata.json' \) -print0 | xargs -0 tar -czf "$box" >/dev/null 2>&1
    bail_on_failure "$?" "Unable to create archive"
}

function check_locks {
    local vmwarevm=$1

    ls "$vmwarevm"/*.lck >/dev/null 2>&1
    bail_on_success "$?" "Lock file(s) exist (VM running?). Unable to proceed."
}

# --MAIN-----------------------------------------------------------------------

if [ $number_args -ne 2 ]; then
    usage
    exit 1
fi

check_locks "$1"
log "Packing box.."
package "$1" "$2"
log "Done."

# -----------------------------------------------------------------------------