From 5131c3886a9a7f75bf93cb02843841284e056c7e Mon Sep 17 00:00:00 2001 From: nicco Date: Sun, 21 Jan 2018 13:35:50 +0100 Subject: [PATCH] V1.0 --- ixesha | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100755 ixesha diff --git a/ixesha b/ixesha new file mode 100755 index 0000000..e3a6fc1 --- /dev/null +++ b/ixesha @@ -0,0 +1,129 @@ +#! /usr/bin/env python3 + +from sys import argv +from argparse import ArgumentParser +from shutil import copy +from time import time +from subprocess import run, PIPE +import os + +S = { + 'installDir': '/usr/local/bin/', + 'app': 'Ixesha', + 'dir': { + 'input': None, + 'output': None, + }, + 'tag': { + 'progress': 'progress', + 'current': 'current', + }, +} + +parser = ArgumentParser(prog='{}'.format(S['app']), + description='{app} - Incremental Snapshot Backup System'.format(app=S['app'])) + +parser.add_argument('-i', '--install', action='store_true', + help='Install script') +parser.add_argument('-u', '--uninstall', action='store_true', + help='Uninstall script') +parser.add_argument('-b', '--from', '--backup', nargs=1, dest='backup', metavar='', + help='Directory to be backed up') +parser.add_argument('-o', '--to', '--output', nargs=1, dest='output', metavar='', + help='Where to save your backup') + + +def install(): + copy( + os.path.abspath(__file__), + os.path.abspath(S['installDir'])) + print('Successfully installed {app} in: {path}'.format( + app=S['app'], path=S['installDir'])) + + +def uninstall(): + os.remove( + os.path.join( + os.path.abspath(S['installDir']), + os.path.basename(__file__) + ) + ) + print('Successfully uninstalled {app} from: {path}'.format( + app=S['app'], path=S['installDir'])) + + +def backup(i, o): + + # Backup + now = time() + id = round(now) + input = '{input}/'.format(input=i) + + # Define paths and files + tmp = '{output}/{id}.{tag}'.format(output=o, + id=id, tag=S['tag']['progress']) + final = '{output}/{id}'.format(output=o, id=id) + cur = '{output}/{tag}'.format(output=o, tag=S['tag']['current']) + + # If fist time backing up make fake current dir + first = False + if not os.path.exists(cur): + first = True + + # Starting the actual backup + # If no current folder is found, take the current bkp dir as comparison + print('Backing up...') + cmd = 'rsync -az --delete --link-dest="{cur}" "{input}" "{tmp}"'.format( + cur=o if first else cur, input=input, tmp=tmp) + ret = run(cmd, shell=True, stdout=PIPE) + print('Done. ({}s)'.format(round(time() - now, 1))) + + # Cleaning Up + print('Cleaning up...') + + os.rename(tmp, final) + if not first: + os.remove(cur) + os.symlink(final, cur) + + +def error(msg): + print('{}\n'.format(msg)) + parser.print_help() + + +def init(): + opt = parser.parse_args(argv[1:]) + + if opt.install and opt.uninstall: + error('Cannot install and uninstall at the same time.') + return + + if opt.install: + install() + return + + if opt.uninstall: + uninstall() + return + + if opt.backup is None and opt.output is None: + error('Need a backup and output directory') + return + + input = os.path.abspath(opt.backup[0]) + output = os.path.abspath(opt.output[0]) + + if not os.path.isdir(input): + raise NotADirectoryError('{}'.format(input)) + + if not os.path.isdir(output): + try: + os.makedirs(output) + except: + raise PermissionError('Cannot write to: {}'.format(output)) + + backup(input, output) + + +init()