Updated version of: VMware ESXi fastcopy.py to quickly copy

#!/bin/python
# fastcopy.py
# Copy VMware virtual machine directories using cp and vmkfstools.
# (c) alain.spineux@gmail.com
# released under GPL
# usage: fastcopy.py vm_directories_path target_dir
# The original script can be retrieved from the author's blog:
# http://magiksys.blogspot.co.nz/2012/09/vmware-esxi-fastcopypy-to-copy-vms.html

#
# vm_directories_path - the directory where VMs reside.
# target_dir - the directory to copy all VMs to.
#
# If a corresponding target directory, e.g. target_dir/vm1, exists it will be moved to
# target_dir/vm1.old and a new copy will be created in its place. After the VM is copied
# the vm1.old will be removed.
#
# ATTN: don't copy recursively

import sys, os, subprocess, re, shutil

def copy(srcdir, dstdir):
    skipped=0
    temp_backup=dstdir+'.old'

    # If temporary backup already exists (meaning the last backup failed) leave it alone
    # and try to remove the failed one.
    # Else rename target directory for temporary backup.
    if os.path.exists(temp_backup):
        if os.path.exists(dstdir):
            shutil.rmtree(dstdir)
    else:
        if os.path.exists(dstdir):
            os.rename(dstdir, temp_backup)

    os.mkdir(dstdir)

    for filename in os.listdir(srcdir):
        fullfilename=os.path.join(srcdir, filename)
        if os.path.isdir(fullfilename):
            print fullfilename, 'SKIPPED'
            skipped+=1
            continue
        print filename
        if filename.endswith('-flat.vmdk'):
            # this is the data file, it will be copied by the .vmdk
            continue
        if re.match('.*-s[0-9]{3}.vmdk$', filename):
            # this is part of a sparse file, it will be copied by the .vmdk
            continue

        # dont use vmkfstools for snapshot files
        if filename.endswith('.vmdk') and \
            not re.match('.*-[0-9]{6}-delta.vmdk$', filename) and \
            not re.match('.*-[0-9]{6}.vmdk$', filename):
            args=['vmkfstools', '-i', fullfilename, '-d', 'thin', os.path.join(dstdir, filename) ]
        else:
            args=['cp', fullfilename, os.path.join(dstdir, filename) ]
        # print args
        subprocess.call(args)

    # Remove the temporary backup.
    if os.path.exists(temp_backup):
        shutil.rmtree(temp_backup)
    return skipped

if len(sys.argv)<3:
    print 'Usage: fastcopy.py vm_directories_path target_dir'
    sys.exit(1)

dstdir=sys.argv[2].rstrip('/')

if not os.path.isdir(dstdir):
    print 'target_dir must be a directory'
    sys.exit(1)

if not os.path.isdir(sys.argv[1]):
    print 'vm_directories_path must be a directory'
    sys.exit(1)

# Compile a list of source directories
srcdirs = []
for srcdir in os.listdir(sys.argv[1]):
    if os.path.isdir(srcdir):
        srcdirs.append(srcdir.rstrip('/'))

skipped=0
for srcdir in srcdirs:
    targetdir=os.path.join(dstdir, os.path.basename(srcdir))
    skipped+=copy(srcdir, targetdir)

if skipped>0:
    print "SKIPPED:", skipped